From bb45f9ca3c8f17f2658f41a41202b012b99ba1bf Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Wed, 30 Sep 2020 15:21:58 -0400 Subject: [PATCH] Upgrade cpp-httplib --- controller/LFDB.cpp | 2 +- ext/cpp-httplib/LICENSE | 22 - ext/cpp-httplib/README.md | 259 -- ext/cpp-httplib/httplib.h | 5999 ++++++++++++++++++++++++++++++------- 4 files changed, 4846 insertions(+), 1436 deletions(-) delete mode 100644 ext/cpp-httplib/LICENSE delete mode 100644 ext/cpp-httplib/README.md diff --git a/controller/LFDB.cpp b/controller/LFDB.cpp index ac029cc27..47b6d511e 100644 --- a/controller/LFDB.cpp +++ b/controller/LFDB.cpp @@ -48,7 +48,7 @@ LFDB::LFDB(const Identity &myId,const char *path,const char *lfOwnerPrivate,cons char maskingKey [128]; Utils::hex(sha512pk,32,maskingKey); - httplib::Client htcli(_lfNodeHost.c_str(),_lfNodePort,600); + httplib::Client htcli(_lfNodeHost.c_str(),_lfNodePort); int64_t timeRangeStart = 0; while (_running.load()) { { diff --git a/ext/cpp-httplib/LICENSE b/ext/cpp-httplib/LICENSE deleted file mode 100644 index 3e5ed359a..000000000 --- a/ext/cpp-httplib/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -The MIT License (MIT) - -Copyright (c) 2017 yhirose - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. - diff --git a/ext/cpp-httplib/README.md b/ext/cpp-httplib/README.md deleted file mode 100644 index 2bd234540..000000000 --- a/ext/cpp-httplib/README.md +++ /dev/null @@ -1,259 +0,0 @@ -cpp-httplib -=========== - -[![Build Status](https://travis-ci.org/yhirose/cpp-httplib.svg?branch=master)](https://travis-ci.org/yhirose/cpp-httplib) -[![Bulid Status](https://ci.appveyor.com/api/projects/status/github/yhirose/cpp-httplib?branch=master&svg=true)](https://ci.appveyor.com/project/yhirose/cpp-httplib) - -A C++ header-only cross platform HTTP/HTTPS library. - -It's extremely easy to setup. Just include **httplib.h** file in your code! - -Inspired by [Sinatra](http://www.sinatrarb.com/) and [express](https://github.com/visionmedia/express). - -Server Example --------------- - -```c++ -#include - -int main(void) -{ - using namespace httplib; - - Server svr; - - svr.Get("/hi", [](const Request& req, Response& res) { - res.set_content("Hello World!", "text/plain"); - }); - - svr.Get(R"(/numbers/(\d+))", [&](const Request& req, Response& res) { - auto numbers = req.matches[1]; - res.set_content(numbers, "text/plain"); - }); - - svr.listen("localhost", 1234); -} -``` - -`Post`, `Put`, `Delete` and `Options` methods are also supported. - -### Bind a socket to multiple interfaces and any available port - -```cpp -int port = svr.bind_to_any_port("0.0.0.0"); -svr.listen_after_bind(); -``` - -### Method Chain - -```cpp -svr.Get("/get", [](const auto& req, auto& res) { - res.set_content("get", "text/plain"); - }) - .Post("/post", [](const auto& req, auto& res) { - res.set_content(req.body(), "text/plain"); - }) - .listen("localhost", 1234); -``` - -### Static File Server - -```cpp -svr.set_base_dir("./www"); -``` - -### Logging - -```cpp -svr.set_logger([](const auto& req, const auto& res) { - your_logger(req, res); -}); -``` - -### Error Handler - -```cpp -svr.set_error_handler([](const auto& req, auto& res) { - const char* fmt = "

Error Status: %d

"; - char buf[BUFSIZ]; - snprintf(buf, sizeof(buf), fmt, res.status); - res.set_content(buf, "text/html"); -}); -``` - -### 'multipart/form-data' POST data - -```cpp -svr.Post("/multipart", [&](const auto& req, auto& res) { - auto size = req.files.size(); - auto ret = req.has_file("name1")); - const auto& file = req.get_file_value("name1"); - // file.filename; - // file.content_type; - auto body = req.body.substr(file.offset, file.length)); -}) -``` - -Client Example --------------- - -### GET - -```c++ -#include -#include - -int main(void) -{ - httplib::Client cli("localhost", 1234); - - auto res = cli.Get("/hi"); - if (res && res->status == 200) { - std::cout << res->body << std::endl; - } -} -``` - -### GET with Content Receiver - -```c++ - std::string body; - auto res = cli.Get("/large-data", [&](const char *data, size_t len) { - body.append(data, len); - }); - assert(res->body.empty()); -``` - -### POST - -```c++ -res = cli.Post("/post", "text", "text/plain"); -res = cli.Post("/person", "name=john1¬e=coder", "application/x-www-form-urlencoded"); -``` - -### POST with parameters - -```c++ -httplib::Params params; -params.emplace("name", "john"); -params.emplace("note", "coder"); - -auto res = cli.Post("/post", params); -``` - or - -```c++ -httplib::Params params{ - { "name", "john" }, - { "note", "coder" } -}; - -auto res = cli.Post("/post", params); -``` - -### PUT - -```c++ -res = cli.Put("/resource/foo", "text", "text/plain"); -``` - -### DELETE - -```c++ -res = cli.Delete("/resource/foo"); -``` - -### OPTIONS - -```c++ -res = cli.Options("*"); -res = cli.Options("/resource/foo"); -``` - -### Connection Timeout - -```c++ -httplib::Client cli("localhost", 8080, 5); // timeouts in 5 seconds -``` -### With Progress Callback - -```cpp -httplib::Client client(url, port); - -// prints: 0 / 000 bytes => 50% complete -std::shared_ptr res = - cli.Get("/", [](uint64_t len, uint64_t total) { - printf("%lld / %lld bytes => %d%% complete\n", - len, total, - (int)((len/total)*100)); - return true; // return 'false' if you want to cancel the request. - } -); -``` - -![progress](https://user-images.githubusercontent.com/236374/33138910-495c4ecc-cf86-11e7-8693-2fc6d09615c4.gif) - -This feature was contributed by [underscorediscovery](https://github.com/yhirose/cpp-httplib/pull/23). - -### Basic Authentication - -```cpp -httplib::Client cli("httplib.org"); - -auto res = cli.Get("/basic-auth/hello/world", { - httplib::make_basic_authentication_header("hello", "world") -}); -// res->status should be 200 -// res->body should be "{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n". -``` - -### Range - -```cpp -httplib::Client cli("httpbin.org"); - -auto res = cli.Get("/range/32", { - httplib::make_range_header(1, 10) // 'Range: bytes=1-10' -}); -// res->status should be 206. -// res->body should be "bcdefghijk". -``` - -OpenSSL Support ---------------- - -SSL support is available with `CPPHTTPLIB_OPENSSL_SUPPORT`. `libssl` and `libcrypto` should be linked. - -```c++ -#define CPPHTTPLIB_OPENSSL_SUPPORT - -SSLServer svr("./cert.pem", "./key.pem"); - -SSLClient cli("localhost", 8080); -cli.set_ca_cert_path("./ca-bundle.crt"); -cli.enable_server_certificate_verification(true); -``` - -Zlib Support ------------- - -'gzip' compression is available with `CPPHTTPLIB_ZLIB_SUPPORT`. - -The server applies gzip compression to the following MIME type contents: - - * all text types - * image/svg+xml - * application/javascript - * application/json - * application/xml - * application/xhtml+xml - -NOTE ----- - -g++ 4.8 cannot build this library since `` in g++4.8 is [broken](https://stackoverflow.com/questions/12530406/is-gcc-4-8-or-earlier-buggy-about-regular-expressions). - -License -------- - -MIT license (© 2019 Yuji Hirose) diff --git a/ext/cpp-httplib/httplib.h b/ext/cpp-httplib/httplib.h index 5adfc2afe..3947df060 100644 --- a/ext/cpp-httplib/httplib.h +++ b/ext/cpp-httplib/httplib.h @@ -1,13 +1,96 @@ // // httplib.h // -// Copyright (c) 2019 Yuji Hirose. All rights reserved. +// Copyright (c) 2020 Yuji Hirose. All rights reserved. // MIT License // #ifndef CPPHTTPLIB_HTTPLIB_H #define CPPHTTPLIB_HTTPLIB_H +/* + * Configuration + */ + +#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND +#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT +#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 +#endif + +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300 +#endif + +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND +#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND +#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND +#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND +#ifdef _WIN32 +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000 +#else +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0 +#endif +#endif + +#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH +#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 +#endif + +#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT +#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20 +#endif + +#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH +#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits::max)()) +#endif + +#ifndef CPPHTTPLIB_TCP_NODELAY +#define CPPHTTPLIB_TCP_NODELAY false +#endif + +#ifndef CPPHTTPLIB_RECV_BUFSIZ +#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) +#endif + +#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ +#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u) +#endif + +#ifndef CPPHTTPLIB_THREAD_POOL_COUNT +#define CPPHTTPLIB_THREAD_POOL_COUNT \ + ((std::max)(8u, std::thread::hardware_concurrency() > 0 \ + ? std::thread::hardware_concurrency() - 1 \ + : 0)) +#endif + +/* + * Headers + */ + #ifdef _WIN32 #ifndef _CRT_SECURE_NO_WARNINGS #define _CRT_SECURE_NO_WARNINGS @@ -17,8 +100,16 @@ #define _CRT_NONSTDC_NO_DEPRECATE #endif //_CRT_NONSTDC_NO_DEPRECATE -#if defined(_MSC_VER) && _MSC_VER < 1900 +#if defined(_MSC_VER) +#ifdef _WIN64 +using ssize_t = __int64; +#else +using ssize_t = int; +#endif + +#if _MSC_VER < 1900 #define snprintf _snprintf_s +#endif #endif // _MSC_VER #ifndef S_ISREG @@ -35,49 +126,95 @@ #include #include + +#include #include +#ifndef WSA_FLAG_NO_HANDLE_INHERIT +#define WSA_FLAG_NO_HANDLE_INHERIT 0x80 +#endif + +#ifdef _MSC_VER #pragma comment(lib, "ws2_32.lib") +#pragma comment(lib, "crypt32.lib") +#pragma comment(lib, "cryptui.lib") +#endif #ifndef strcasecmp #define strcasecmp _stricmp #endif // strcasecmp -typedef SOCKET socket_t; -#else +using socket_t = SOCKET; +#ifdef CPPHTTPLIB_USE_POLL +#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout) +#endif + +#else // not _WIN32 + #include #include +#include #include #include +#ifdef __linux__ +#include +#endif +#include +#ifdef CPPHTTPLIB_USE_POLL +#include +#endif +#include #include -#include #include #include #include -typedef int socket_t; +using socket_t = int; #define INVALID_SOCKET (-1) #endif //_WIN32 -#include +#include #include +#include +#include +#include +#include +#include #include #include #include +#include +#include #include #include #include +#include #include +#include #include #include #include #ifdef CPPHTTPLIB_OPENSSL_SUPPORT #include +#include #include #include +#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK) +#include +#endif + +#include +#include +#include + +#if OPENSSL_VERSION_NUMBER < 0x1010100fL +#error Sorry, OpenSSL versions prior to 1.1.1 are not supported +#endif + #if OPENSSL_VERSION_NUMBER < 0x10100000L +#include inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) { return M_ASN1_STRING_data(asn1); } @@ -88,18 +225,14 @@ inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) { #include #endif -/* - * Configuration - */ -#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 -#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND 0 -#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 -#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 -#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 -#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 -#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH (std::numeric_limits::max)() -#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +#include +#include +#endif +/* + * Declaration + */ namespace httplib { namespace detail { @@ -114,125 +247,319 @@ struct ci { } // namespace detail -enum class HttpVersion { v1_0 = 0, v1_1 }; +using Headers = std::multimap; -typedef std::multimap Headers; +using Params = std::multimap; +using Match = std::smatch; -template -std::pair make_range_header(uint64_t value, - Args... args); +using Progress = std::function; -typedef std::multimap Params; -typedef std::smatch Match; +struct Response; +using ResponseHandler = std::function; -typedef std::function ContentProducer; -typedef std::function ContentReceiver; -typedef std::function Progress; - -struct MultipartFile { +struct MultipartFormData { + std::string name; + std::string content; std::string filename; std::string content_type; - size_t offset = 0; - size_t length = 0; }; -typedef std::multimap MultipartFiles; +using MultipartFormDataItems = std::vector; +using MultipartFormDataMap = std::multimap; + +class DataSink { +public: + DataSink() : os(&sb_), sb_(*this) {} + + DataSink(const DataSink &) = delete; + DataSink &operator=(const DataSink &) = delete; + DataSink(DataSink &&) = delete; + DataSink &operator=(DataSink &&) = delete; + + std::function write; + std::function done; + std::function is_writable; + std::ostream os; + +private: + class data_sink_streambuf : public std::streambuf { + public: + explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {} + + protected: + std::streamsize xsputn(const char *s, std::streamsize n) { + sink_.write(s, static_cast(n)); + return n; + } + + private: + DataSink &sink_; + }; + + data_sink_streambuf sb_; +}; + +using ContentProvider = + std::function; + +using ContentProviderWithoutLength = + std::function; + +using ContentReceiver = + std::function; + +using MultipartContentHeader = + std::function; + +class ContentReader { +public: + using Reader = std::function; + using MultipartReader = std::function; + + ContentReader(Reader reader, MultipartReader multipart_reader) + : reader_(reader), multipart_reader_(multipart_reader) {} + + bool operator()(MultipartContentHeader header, + ContentReceiver receiver) const { + return multipart_reader_(header, receiver); + } + + bool operator()(ContentReceiver receiver) const { return reader_(receiver); } + + Reader reader_; + MultipartReader multipart_reader_; +}; + +using Range = std::pair; +using Ranges = std::vector; struct Request { - std::string version; std::string method; - std::string target; std::string path; Headers headers; std::string body; + + std::string remote_addr; + int remote_port = -1; + + // for server + std::string version; + std::string target; Params params; - MultipartFiles files; + MultipartFormDataMap files; + Ranges ranges; Match matches; + // for client + size_t redirect_count = CPPHTTPLIB_REDIRECT_MAX_COUNT; + ResponseHandler response_handler; + ContentReceiver content_receiver; + size_t content_length = 0; + ContentProvider content_provider; + Progress progress; + #ifdef CPPHTTPLIB_OPENSSL_SUPPORT const SSL *ssl; #endif bool has_header(const char *key) const; std::string get_header_value(const char *key, size_t id = 0) const; + template + T get_header_value(const char *key, size_t id = 0) const; size_t get_header_value_count(const char *key) const; void set_header(const char *key, const char *val); + void set_header(const char *key, const std::string &val); bool has_param(const char *key) const; std::string get_param_value(const char *key, size_t id = 0) const; size_t get_param_value_count(const char *key) const; + bool is_multipart_form_data() const; + bool has_file(const char *key) const; - MultipartFile get_file_value(const char *key) const; + MultipartFormData get_file_value(const char *key) const; + + // private members... + size_t authorization_count_ = 0; }; struct Response { std::string version; - int status; + int status = -1; + std::string reason; Headers headers; std::string body; - ContentProducer content_producer; - ContentReceiver content_receiver; - Progress progress; - bool has_header(const char *key) const; std::string get_header_value(const char *key, size_t id = 0) const; + template + T get_header_value(const char *key, size_t id = 0) const; size_t get_header_value_count(const char *key) const; void set_header(const char *key, const char *val); + void set_header(const char *key, const std::string &val); - void set_redirect(const char *uri); + void set_redirect(const char *url, int status = 302); + void set_redirect(const std::string &url, int status = 302); void set_content(const char *s, size_t n, const char *content_type); - void set_content(const std::string &s, const char *content_type); + void set_content(std::string s, const char *content_type); - Response() : status(-1) {} + void set_content_provider( + size_t length, const char *content_type, ContentProvider provider, + const std::function &resource_releaser = nullptr); + + void set_content_provider( + const char *content_type, ContentProviderWithoutLength provider, + const std::function &resource_releaser = nullptr); + + void set_chunked_content_provider( + const char *content_type, ContentProviderWithoutLength provider, + const std::function &resource_releaser = nullptr); + + Response() = default; + Response(const Response &) = default; + Response &operator=(const Response &) = default; + Response(Response &&) = default; + Response &operator=(Response &&) = default; + ~Response() { + if (content_provider_resource_releaser_) { + content_provider_resource_releaser_(); + } + } + + // private members... + size_t content_length_ = 0; + ContentProvider content_provider_; + std::function content_provider_resource_releaser_; + bool is_chunked_content_provider = false; }; class Stream { public: - virtual ~Stream() {} - virtual int read(char *ptr, size_t size) = 0; - virtual int write(const char *ptr, size_t size1) = 0; - virtual int write(const char *ptr) = 0; - virtual std::string get_remote_addr() const = 0; + virtual ~Stream() = default; + + virtual bool is_readable() const = 0; + virtual bool is_writable() const = 0; + + virtual ssize_t read(char *ptr, size_t size) = 0; + virtual ssize_t write(const char *ptr, size_t size) = 0; + virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0; template - void write_format(const char *fmt, const Args &... args); + ssize_t write_format(const char *fmt, const Args &... args); + ssize_t write(const char *ptr); + ssize_t write(const std::string &s); }; -class SocketStream : public Stream { +class TaskQueue { public: - SocketStream(socket_t sock); - virtual ~SocketStream(); + TaskQueue() = default; + virtual ~TaskQueue() = default; - virtual int read(char *ptr, size_t size); - virtual int write(const char *ptr, size_t size); - virtual int write(const char *ptr); - virtual std::string get_remote_addr() const; + virtual void enqueue(std::function fn) = 0; + virtual void shutdown() = 0; + + virtual void on_idle(){}; +}; + +class ThreadPool : public TaskQueue { +public: + explicit ThreadPool(size_t n) : shutdown_(false) { + while (n) { + threads_.emplace_back(worker(*this)); + n--; + } + } + + ThreadPool(const ThreadPool &) = delete; + ~ThreadPool() override = default; + + void enqueue(std::function fn) override { + std::unique_lock lock(mutex_); + jobs_.push_back(fn); + cond_.notify_one(); + } + + void shutdown() override { + // Stop all worker threads... + { + std::unique_lock lock(mutex_); + shutdown_ = true; + } + + cond_.notify_all(); + + // Join... + for (auto &t : threads_) { + t.join(); + } + } private: - socket_t sock_; + struct worker { + explicit worker(ThreadPool &pool) : pool_(pool) {} + + void operator()() { + for (;;) { + std::function fn; + { + std::unique_lock lock(pool_.mutex_); + + pool_.cond_.wait( + lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; }); + + if (pool_.shutdown_ && pool_.jobs_.empty()) { break; } + + fn = pool_.jobs_.front(); + pool_.jobs_.pop_front(); + } + + assert(true == static_cast(fn)); + fn(); + } + } + + ThreadPool &pool_; + }; + friend struct worker; + + std::vector threads_; + std::list> jobs_; + + bool shutdown_; + + std::condition_variable cond_; + std::mutex mutex_; }; -class BufferStream : public Stream { -public: - BufferStream() {} - virtual ~BufferStream() {} +using Logger = std::function; - virtual int read(char *ptr, size_t size); - virtual int write(const char *ptr, size_t size); - virtual int write(const char *ptr); - virtual std::string get_remote_addr() const; +using SocketOptions = std::function; - const std::string &get_buffer() const; - -private: - std::string buffer; -}; +inline void default_socket_options(socket_t sock) { + int yes = 1; +#ifdef _WIN32 + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), + sizeof(yes)); + setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, + reinterpret_cast(&yes), sizeof(yes)); +#else +#ifdef SO_REUSEPORT + setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast(&yes), + sizeof(yes)); +#else + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), + sizeof(yes)); +#endif +#endif +} class Server { public: - typedef std::function Handler; - typedef std::function Logger; + using Handler = std::function; + using HandlerWithContentReader = std::function; + using Expect100ContinueHandler = + std::function; Server(); @@ -242,20 +569,38 @@ public: Server &Get(const char *pattern, Handler handler); Server &Post(const char *pattern, Handler handler); - + Server &Post(const char *pattern, HandlerWithContentReader handler); Server &Put(const char *pattern, Handler handler); + Server &Put(const char *pattern, HandlerWithContentReader handler); Server &Patch(const char *pattern, Handler handler); + Server &Patch(const char *pattern, HandlerWithContentReader handler); Server &Delete(const char *pattern, Handler handler); + Server &Delete(const char *pattern, HandlerWithContentReader handler); Server &Options(const char *pattern, Handler handler); - bool set_base_dir(const char *path); + bool set_base_dir(const char *dir, const char *mount_point = nullptr); + bool set_mount_point(const char *mount_point, const char *dir); + bool remove_mount_point(const char *mount_point); + void set_file_extension_and_mimetype_mapping(const char *ext, + const char *mime); + void set_file_request_handler(Handler handler); void set_error_handler(Handler handler); + void set_expect_100_continue_handler(Expect100ContinueHandler handler); void set_logger(Logger logger); - void set_keep_alive_max_count(size_t count); - void set_payload_max_length(uint64_t length); + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + void set_keep_alive_max_count(size_t count); + void set_keep_alive_timeout(time_t sec); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + void set_idle_interval(time_t sec, time_t usec = 0); + + void set_payload_max_length(size_t length); + + bool bind_to_port(const char *host, int port, int socket_flags = 0); int bind_to_any_port(const char *host, int socket_flags = 0); bool listen_after_bind(); @@ -264,177 +609,554 @@ public: bool is_running() const; void stop(); -protected: - bool process_request(Stream &strm, bool last_connection, - bool &connection_close, - std::function setup_request = nullptr); + std::function new_task_queue; - size_t keep_alive_max_count_; - size_t payload_max_length_; +protected: + bool process_request(Stream &strm, bool close_connection, + bool &connection_closed, + const std::function &setup_request); + + std::atomic svr_sock_; + size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; + time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND; + time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; + time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; + time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND; + time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND; + size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH; private: - typedef std::vector> Handlers; + using Handlers = std::vector>; + using HandlersForContentReader = + std::vector>; - socket_t create_server_socket(const char *host, int port, - int socket_flags) const; + socket_t create_server_socket(const char *host, int port, int socket_flags, + SocketOptions socket_options) const; int bind_internal(const char *host, int port, int socket_flags); bool listen_internal(); - bool routing(Request &req, Response &res); - bool handle_file_request(Request &req, Response &res); - bool dispatch_request(Request &req, Response &res, Handlers &handlers); + bool routing(Request &req, Response &res, Stream &strm); + bool handle_file_request(Request &req, Response &res, bool head = false); + bool dispatch_request(Request &req, Response &res, const Handlers &handlers); + bool + dispatch_request_for_content_reader(Request &req, Response &res, + ContentReader content_reader, + const HandlersForContentReader &handlers); bool parse_request_line(const char *s, Request &req); - void write_response(Stream &strm, bool last_connection, const Request &req, + bool write_response(Stream &strm, bool close_connection, const Request &req, Response &res); + bool write_content_with_provider(Stream &strm, const Request &req, + Response &res, const std::string &boundary, + const std::string &content_type); + bool read_content(Stream &strm, Request &req, Response &res); + bool + read_content_with_content_receiver(Stream &strm, Request &req, Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver); + bool read_content_core(Stream &strm, Request &req, Response &res, + ContentReceiver receiver, + MultipartContentHeader mulitpart_header, + ContentReceiver multipart_receiver); - virtual bool read_and_close_socket(socket_t sock); + virtual bool process_and_close_socket(socket_t sock); std::atomic is_running_; - std::atomic svr_sock_; - std::string base_dir_; + std::vector> base_dirs_; + std::map file_extension_and_mimetype_map_; + Handler file_request_handler_; Handlers get_handlers_; Handlers post_handlers_; + HandlersForContentReader post_handlers_for_content_reader_; Handlers put_handlers_; + HandlersForContentReader put_handlers_for_content_reader_; Handlers patch_handlers_; + HandlersForContentReader patch_handlers_for_content_reader_; Handlers delete_handlers_; + HandlersForContentReader delete_handlers_for_content_reader_; Handlers options_handlers_; Handler error_handler_; Logger logger_; + Expect100ContinueHandler expect_100_continue_handler_; - // TODO: Use thread pool... - std::mutex running_threads_mutex_; - int running_threads_; + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = default_socket_options; }; -class Client { -public: - Client(const char *host, int port = 80, time_t timeout_sec = 300); +enum Error { + Success = 0, + Unknown, + Connection, + BindIPAddress, + Read, + Write, + ExceedRedirectCount, + Canceled, + SSLConnection, + SSLLoadingCerts, + SSLServerVerification +}; - virtual ~Client(); +class Result { +public: + Result(const std::shared_ptr &res, Error err) + : res_(res), err_(err) {} + operator bool() const { return res_ != nullptr; } + bool operator==(std::nullptr_t) const { return res_ == nullptr; } + bool operator!=(std::nullptr_t) const { return res_ != nullptr; } + const Response &value() const { return *res_; } + const Response &operator*() const { return *res_; } + const Response *operator->() const { return res_.get(); } + Error error() const { return err_; } + +private: + std::shared_ptr res_; + Error err_; +}; + +class ClientImpl { +public: + explicit ClientImpl(const std::string &host); + + explicit ClientImpl(const std::string &host, int port); + + explicit ClientImpl(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + virtual ~ClientImpl(); virtual bool is_valid() const; - std::shared_ptr Get(const char *path, Progress progress = nullptr); - std::shared_ptr Get(const char *path, const Headers &headers, - Progress progress = nullptr); + Result Get(const char *path); + Result Get(const char *path, const Headers &headers); + Result Get(const char *path, Progress progress); + Result Get(const char *path, const Headers &headers, Progress progress); + Result Get(const char *path, ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver); + Result Get(const char *path, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, ContentReceiver content_receiver, + Progress progress); - std::shared_ptr Get(const char *path, - ContentReceiver content_receiver, - Progress progress = nullptr); - std::shared_ptr Get(const char *path, const Headers &headers, - ContentReceiver content_receiver, - Progress progress = nullptr); + Result Head(const char *path); + Result Head(const char *path, const Headers &headers); - std::shared_ptr Head(const char *path); - std::shared_ptr Head(const char *path, const Headers &headers); + Result Post(const char *path); + Result Post(const char *path, const std::string &body, + const char *content_type); + Result Post(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Post(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Params ¶ms); + Result Post(const char *path, const Headers &headers, const Params ¶ms); + Result Post(const char *path, const MultipartFormDataItems &items); + Result Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items); - std::shared_ptr Post(const char *path, const std::string &body, - const char *content_type); - std::shared_ptr Post(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); + Result Put(const char *path); + Result Put(const char *path, const std::string &body, + const char *content_type); + Result Put(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Put(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Params ¶ms); + Result Put(const char *path, const Headers &headers, const Params ¶ms); - std::shared_ptr Post(const char *path, const Params ¶ms); - std::shared_ptr Post(const char *path, const Headers &headers, - const Params ¶ms); + Result Patch(const char *path, const std::string &body, + const char *content_type); + Result Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + Result Patch(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Patch(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); - std::shared_ptr Put(const char *path, const std::string &body, - const char *content_type); - std::shared_ptr Put(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); + Result Delete(const char *path); + Result Delete(const char *path, const std::string &body, + const char *content_type); + Result Delete(const char *path, const Headers &headers); + Result Delete(const char *path, const Headers &headers, + const std::string &body, const char *content_type); - std::shared_ptr Patch(const char *path, const std::string &body, - const char *content_type); - std::shared_ptr Patch(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); + Result Options(const char *path); + Result Options(const char *path, const Headers &headers); - std::shared_ptr Delete(const char *path, - const std::string &body = std::string(), - const char *content_type = nullptr); - std::shared_ptr Delete(const char *path, const Headers &headers, - const std::string &body = std::string(), - const char *content_type = nullptr); + bool send(const Request &req, Response &res); - std::shared_ptr Options(const char *path); - std::shared_ptr Options(const char *path, const Headers &headers); + size_t is_socket_open() const; - bool send(Request &req, Response &res); + void stop(); + + void set_default_headers(Headers headers); + + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + + void set_connection_timeout(time_t sec, time_t usec = 0); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + + void set_basic_auth(const char *username, const char *password); + void set_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_digest_auth(const char *username, const char *password); +#endif + + void set_keep_alive(bool on); + void set_follow_location(bool on); + + void set_compress(bool on); + + void set_decompress(bool on); + + void set_interface(const char *intf); + + void set_proxy(const char *host, int port); + void set_proxy_basic_auth(const char *username, const char *password); + void set_proxy_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_proxy_digest_auth(const char *username, const char *password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + + void set_logger(Logger logger); protected: - bool process_request(Stream &strm, Request &req, Response &res, - bool &connection_close); + struct Socket { + socket_t sock = INVALID_SOCKET; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + SSL *ssl = nullptr; +#endif + bool is_open() const { return sock != INVALID_SOCKET; } + }; + + virtual bool create_and_connect_socket(Socket &socket); + virtual void close_socket(Socket &socket, bool process_socket_ret); + + bool process_request(Stream &strm, const Request &req, Response &res, + bool close_connection); + + Error get_last_error() const; + + void copy_settings(const ClientImpl &rhs); + + // Error state + mutable Error error_ = Error::Success; + + // Socket endoint information const std::string host_; const int port_; - time_t timeout_sec_; const std::string host_and_port_; + // Current open socket + Socket socket_; + mutable std::mutex socket_mutex_; + std::recursive_mutex request_mutex_; + + // Default headers + Headers default_headers_; + + // Settings + std::string client_cert_path_; + std::string client_key_path_; + + time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND; + time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND; + time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; + time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; + + std::string basic_auth_username_; + std::string basic_auth_password_; + std::string bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string digest_auth_username_; + std::string digest_auth_password_; +#endif + + bool keep_alive_ = false; + bool follow_location_ = false; + + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = nullptr; + + bool compress_ = false; + bool decompress_ = true; + + std::string interface_; + + std::string proxy_host_; + int proxy_port_ = -1; + + std::string proxy_basic_auth_username_; + std::string proxy_basic_auth_password_; + std::string proxy_bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string proxy_digest_auth_username_; + std::string proxy_digest_auth_password_; +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + bool server_certificate_verification_ = true; +#endif + + Logger logger_; + private: socket_t create_client_socket() const; bool read_response_line(Stream &strm, Response &res); - void write_request(Stream &strm, Request &req); + bool write_request(Stream &strm, const Request &req, bool close_connection); + bool redirect(const Request &req, Response &res); + bool handle_request(Stream &strm, const Request &req, Response &res, + bool close_connection); + void stop_core(); + std::shared_ptr send_with_content_provider( + const char *method, const char *path, const Headers &headers, + const std::string &body, size_t content_length, + ContentProvider content_provider, const char *content_type); - virtual bool read_and_close_socket(socket_t sock, Request &req, - Response &res); + virtual bool process_socket(Socket &socket, + std::function callback); virtual bool is_ssl() const; }; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -class SSLSocketStream : public Stream { +class Client { public: - SSLSocketStream(socket_t sock, SSL *ssl); - virtual ~SSLSocketStream(); + // Universal interface + explicit Client(const char *scheme_host_port); - virtual int read(char *ptr, size_t size); - virtual int write(const char *ptr, size_t size); - virtual int write(const char *ptr); - virtual std::string get_remote_addr() const; + explicit Client(const char *scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path); + + // HTTP only interface + explicit Client(const std::string &host, int port); + + explicit Client(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + ~Client(); + + bool is_valid() const; + + Result Get(const char *path); + Result Get(const char *path, const Headers &headers); + Result Get(const char *path, Progress progress); + Result Get(const char *path, const Headers &headers, Progress progress); + Result Get(const char *path, ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver); + Result Get(const char *path, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress); + + Result Head(const char *path); + Result Head(const char *path, const Headers &headers); + + Result Post(const char *path); + Result Post(const char *path, const std::string &body, + const char *content_type); + Result Post(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Post(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Params ¶ms); + Result Post(const char *path, const Headers &headers, const Params ¶ms); + Result Post(const char *path, const MultipartFormDataItems &items); + Result Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items); + Result Put(const char *path); + Result Put(const char *path, const std::string &body, + const char *content_type); + Result Put(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Put(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Params ¶ms); + Result Put(const char *path, const Headers &headers, const Params ¶ms); + Result Patch(const char *path, const std::string &body, + const char *content_type); + Result Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + Result Patch(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Patch(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + + Result Delete(const char *path); + Result Delete(const char *path, const std::string &body, + const char *content_type); + Result Delete(const char *path, const Headers &headers); + Result Delete(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + + Result Options(const char *path); + Result Options(const char *path, const Headers &headers); + + bool send(const Request &req, Response &res); + + size_t is_socket_open() const; + + void stop(); + + void set_default_headers(Headers headers); + + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + + void set_connection_timeout(time_t sec, time_t usec = 0); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + + void set_basic_auth(const char *username, const char *password); + void set_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_digest_auth(const char *username, const char *password); +#endif + + void set_keep_alive(bool on); + void set_follow_location(bool on); + + void set_compress(bool on); + + void set_decompress(bool on); + + void set_interface(const char *intf); + + void set_proxy(const char *host, int port); + void set_proxy_basic_auth(const char *username, const char *password); + void set_proxy_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_proxy_digest_auth(const char *username, const char *password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + + void set_logger(Logger logger); + + // SSL +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_ca_cert_path(const char *ca_cert_file_path, + const char *ca_cert_dir_path = nullptr); + + void set_ca_cert_store(X509_STORE *ca_cert_store); + + long get_openssl_verify_result() const; + + SSL_CTX *ssl_context() const; +#endif private: - socket_t sock_; - SSL *ssl_; -}; + std::shared_ptr cli_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + bool is_ssl_ = false; +#endif +}; // namespace httplib + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT class SSLServer : public Server { public: SSLServer(const char *cert_path, const char *private_key_path, const char *client_ca_cert_file_path = nullptr, const char *client_ca_cert_dir_path = nullptr); - virtual ~SSLServer(); + SSLServer(X509 *cert, EVP_PKEY *private_key, + X509_STORE *client_ca_cert_store = nullptr); - virtual bool is_valid() const; + ~SSLServer() override; + + bool is_valid() const override; private: - virtual bool read_and_close_socket(socket_t sock); + bool process_and_close_socket(socket_t sock) override; SSL_CTX *ctx_; std::mutex ctx_mutex_; }; -class SSLClient : public Client { +class SSLClient : public ClientImpl { public: - SSLClient(const char *host, int port = 443, time_t timeout_sec = 300, - const char *client_cert_path = nullptr, - const char *client_key_path = nullptr); + explicit SSLClient(const std::string &host); - virtual ~SSLClient(); + explicit SSLClient(const std::string &host, int port); - virtual bool is_valid() const; + explicit SSLClient(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); - void set_ca_cert_path(const char *ca_ceert_file_path, + explicit SSLClient(const std::string &host, int port, X509 *client_cert, + EVP_PKEY *client_key); + + ~SSLClient() override; + + bool is_valid() const override; + + void set_ca_cert_path(const char *ca_cert_file_path, const char *ca_cert_dir_path = nullptr); - void enable_server_certificate_verification(bool enabled); + + void set_ca_cert_store(X509_STORE *ca_cert_store); long get_openssl_verify_result() const; + SSL_CTX *ssl_context() const; + private: - virtual bool read_and_close_socket(socket_t sock, Request &req, - Response &res); - virtual bool is_ssl() const; + bool create_and_connect_socket(Socket &socket) override; + void close_socket(Socket &socket, bool process_socket_ret) override; + + bool process_socket(Socket &socket, + std::function callback) override; + bool is_ssl() const override; + + bool connect_with_proxy(Socket &sock, Response &res, bool &success); + bool initialize_ssl(Socket &socket); + + bool load_certs(); bool verify_host(X509 *server_cert) const; bool verify_host_with_subject_alt_name(X509 *server_cert) const; @@ -443,17 +1165,25 @@ private: SSL_CTX *ctx_; std::mutex ctx_mutex_; + std::once_flag initialize_cert_; + std::vector host_components_; + std::string ca_cert_file_path_; std::string ca_cert_dir_path_; - bool server_certificate_verification_ = false; + X509_STORE *ca_cert_store_ = nullptr; long verify_result_ = 0; + + friend class ClientImpl; }; #endif +// ---------------------------------------------------------------------------- + /* * Implementation */ + namespace detail { inline bool is_hex(char c, int &v) { @@ -487,7 +1217,7 @@ inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, return true; } -inline std::string from_i_to_hex(uint64_t n) { +inline std::string from_i_to_hex(size_t n) { const char *charset = "0123456789abcdef"; std::string ret; do { @@ -497,31 +1227,39 @@ inline std::string from_i_to_hex(uint64_t n) { return ret; } +inline bool start_with(const std::string &a, const std::string &b) { + if (a.size() < b.size()) { return false; } + for (size_t i = 0; i < b.size(); i++) { + if (std::tolower(a[i]) != std::tolower(b[i])) { return false; } + } + return true; +} + inline size_t to_utf8(int code, char *buff) { if (code < 0x0080) { buff[0] = (code & 0x7F); return 1; } else if (code < 0x0800) { - buff[0] = (0xC0 | ((code >> 6) & 0x1F)); - buff[1] = (0x80 | (code & 0x3F)); + buff[0] = static_cast(0xC0 | ((code >> 6) & 0x1F)); + buff[1] = static_cast(0x80 | (code & 0x3F)); return 2; } else if (code < 0xD800) { - buff[0] = (0xE0 | ((code >> 12) & 0xF)); - buff[1] = (0x80 | ((code >> 6) & 0x3F)); - buff[2] = (0x80 | (code & 0x3F)); + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); return 3; } else if (code < 0xE000) { // D800 - DFFF is invalid... return 0; } else if (code < 0x10000) { - buff[0] = (0xE0 | ((code >> 12) & 0xF)); - buff[1] = (0x80 | ((code >> 6) & 0x3F)); - buff[2] = (0x80 | (code & 0x3F)); + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); return 3; } else if (code < 0x110000) { - buff[0] = (0xF0 | ((code >> 18) & 0x7)); - buff[1] = (0x80 | ((code >> 12) & 0x3F)); - buff[2] = (0x80 | ((code >> 6) & 0x3F)); - buff[3] = (0x80 | (code & 0x3F)); + buff[0] = static_cast(0xF0 | ((code >> 18) & 0x7)); + buff[1] = static_cast(0x80 | ((code >> 12) & 0x3F)); + buff[2] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[3] = static_cast(0x80 | (code & 0x3F)); return 4; } @@ -541,8 +1279,8 @@ inline std::string base64_encode(const std::string &in) { int val = 0; int valb = -6; - for (uint8_t c : in) { - val = (val << 8) + c; + for (auto c : in) { + val = (val << 8) + static_cast(c); valb += 8; while (valb >= 0) { out.push_back(lookup[(val >> valb) & 0x3F]); @@ -550,9 +1288,7 @@ inline std::string base64_encode(const std::string &in) { } } - if (valb > -6) { - out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); - } + if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); } while (out.size() % 4) { out.push_back('='); @@ -608,35 +1344,125 @@ inline bool is_valid_path(const std::string &path) { return true; } +inline std::string encode_url(const std::string &s) { + std::string result; + + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case ' ': result += "%20"; break; + case '+': result += "%2B"; break; + case '\r': result += "%0D"; break; + case '\n': result += "%0A"; break; + case '\'': result += "%27"; break; + case ',': result += "%2C"; break; + // case ':': result += "%3A"; break; // ok? probably... + case ';': result += "%3B"; break; + default: + auto c = static_cast(s[i]); + if (c >= 0x80) { + result += '%'; + char hex[4]; + auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); + assert(len == 2); + result.append(hex, static_cast(len)); + } else { + result += s[i]; + } + break; + } + } + + return result; +} + +inline std::string decode_url(const std::string &s, + bool convert_plus_to_space) { + std::string result; + + for (size_t i = 0; i < s.size(); i++) { + if (s[i] == '%' && i + 1 < s.size()) { + if (s[i + 1] == 'u') { + int val = 0; + if (from_hex_to_i(s, i + 2, 4, val)) { + // 4 digits Unicode codes + char buff[4]; + size_t len = to_utf8(val, buff); + if (len > 0) { result.append(buff, len); } + i += 5; // 'u0000' + } else { + result += s[i]; + } + } else { + int val = 0; + if (from_hex_to_i(s, i + 1, 2, val)) { + // 2 digits hex codes + result += static_cast(val); + i += 2; // '00' + } else { + result += s[i]; + } + } + } else if (convert_plus_to_space && s[i] == '+') { + result += ' '; + } else { + result += s[i]; + } + } + + return result; +} + inline void read_file(const std::string &path, std::string &out) { std::ifstream fs(path, std::ios_base::binary); fs.seekg(0, std::ios_base::end); auto size = fs.tellg(); fs.seekg(0); out.resize(static_cast(size)); - fs.read(&out[0], size); + fs.read(&out[0], static_cast(size)); } inline std::string file_extension(const std::string &path) { std::smatch m; - auto pat = std::regex("\\.([a-zA-Z0-9]+)$"); - if (std::regex_search(path, m, pat)) { return m[1].str(); } + static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); + if (std::regex_search(path, m, re)) { return m[1].str(); } return std::string(); } -template void split(const char *b, const char *e, char d, Fn fn) { - int i = 0; - int beg = 0; +inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; } - while (e ? (b + i != e) : (b[i] != '\0')) { +inline std::pair trim(const char *b, const char *e, size_t left, + size_t right) { + while (b + left < e && is_space_or_tab(b[left])) { + left++; + } + while (right > 0 && is_space_or_tab(b[right - 1])) { + right--; + } + return std::make_pair(left, right); +} + +inline std::string trim_copy(const std::string &s) { + auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); + return s.substr(r.first, r.second - r.first); +} + +template void split(const char *b, const char *e, char d, Fn fn) { + size_t i = 0; + size_t beg = 0; + + while (e ? (b + i < e) : (b[i] != '\0')) { if (b[i] == d) { - fn(&b[beg], &b[i]); + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } beg = i + 1; } i++; } - if (i) { fn(&b[beg], &b[i]); } + if (i) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } + } } // NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` @@ -663,6 +1489,11 @@ public: } } + bool end_with_crlf() const { + auto end = ptr() + size(); + return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; + } + bool getline() { fixed_buffer_used_size_ = 0; glowable_buffer_.clear(); @@ -706,7 +1537,7 @@ private: Stream &strm_; char *fixed_buffer_; const size_t fixed_buffer_size_; - size_t fixed_buffer_used_size_; + size_t fixed_buffer_used_size_ = 0; std::string glowable_buffer_; }; @@ -718,19 +1549,83 @@ inline int close_socket(socket_t sock) { #endif } -inline int select_read(socket_t sock, time_t sec, time_t usec) { +template inline ssize_t handle_EINTR(T fn) { + ssize_t res = false; + while (true) { + res = fn(); + if (res < 0 && errno == EINTR) { continue; } + break; + } + return res; +} + +inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else fd_set fds; FD_ZERO(&fds); FD_SET(sock, &fds); timeval tv; tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); + tv.tv_usec = static_cast(usec); - return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); + return handle_EINTR([&]() { + return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); + }); +#endif +} + +inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else + fd_set fds; + FD_ZERO(&fds); + FD_SET(sock, &fds); + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + return handle_EINTR([&]() { + return select(static_cast(sock + 1), nullptr, &fds, nullptr, &tv); + }); +#endif } inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN | POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); + + if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { + int error = 0; + socklen_t len = sizeof(error); + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, + reinterpret_cast(&error), &len); + return res >= 0 && !error; + } + return false; +#else fd_set fdsr; FD_ZERO(&fdsr); FD_SET(sock, &fdsr); @@ -740,53 +1635,146 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { timeval tv; tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); + tv.tv_usec = static_cast(usec); - if (select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv) < 0) { - return false; - } else if (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw)) { + auto ret = handle_EINTR([&]() { + return select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv); + }); + + if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { int error = 0; socklen_t len = sizeof(error); - if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&error, &len) < 0 || - error) { - return false; - } - } else { - return false; + return getsockopt(sock, SOL_SOCKET, SO_ERROR, + reinterpret_cast(&error), &len) >= 0 && + !error; } + return false; +#endif +} - return true; +class SocketStream : public Stream { +public: + SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec, + time_t write_timeout_sec, time_t write_timeout_usec); + ~SocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + +private: + socket_t sock_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; +}; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +class SSLSocketStream : public Stream { +public: + SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec); + ~SSLSocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + +private: + socket_t sock_; + SSL *ssl_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; +}; +#endif + +class BufferStream : public Stream { +public: + BufferStream() = default; + ~BufferStream() override = default; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + + const std::string &get_buffer() const; + +private: + std::string buffer; + size_t position = 0; +}; + +inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { + using namespace std::chrono; + auto start = steady_clock::now(); + while (true) { + auto val = select_read(sock, 0, 10000); + if (val < 0) { + return false; + } else if (val == 0) { + auto current = steady_clock::now(); + auto duration = duration_cast(current - start); + auto timeout = keep_alive_timeout_sec * 1000; + if (duration.count() > timeout) { return false; } + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } else { + return true; + } + } } template -inline bool read_and_close_socket(socket_t sock, size_t keep_alive_max_count, - T callback) { - bool ret = false; - - if (keep_alive_max_count > 0) { - auto count = keep_alive_max_count; - while (count > 0 && - detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0) { - SocketStream strm(sock); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; - } - } else { - SocketStream strm(sock); - auto dummy_connection_close = false; - ret = callback(strm, true, dummy_connection_close); +inline bool +process_server_socket_core(socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, T callback) { + assert(keep_alive_max_count > 0); + auto ret = false; + auto count = keep_alive_max_count; + while (count > 0 && keep_alive(sock, keep_alive_timeout_sec)) { + auto close_connection = count == 1; + auto connection_closed = false; + ret = callback(close_connection, connection_closed); + if (!ret || connection_closed) { break; } + count--; } - - close_socket(sock); return ret; } +template +inline bool +process_server_socket(socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + return process_server_socket_core( + sock, keep_alive_max_count, keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +template +inline bool process_client_socket(socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm); +} + inline int shutdown_socket(socket_t sock) { #ifdef _WIN32 return shutdown(sock, SD_BOTH); @@ -795,18 +1783,10 @@ inline int shutdown_socket(socket_t sock) { #endif } -template -socket_t create_socket(const char *host, int port, Fn fn, - int socket_flags = 0) { -#ifdef _WIN32 -#define SO_SYNCHRONOUS_NONALERT 0x20 -#define SO_OPENTYPE 0x7008 - - int opt = SO_SYNCHRONOUS_NONALERT; - setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&opt, - sizeof(opt)); -#endif - +template +socket_t create_socket(const char *host, int port, int socket_flags, + bool tcp_nodelay, SocketOptions socket_options, + BindOrConnect bind_or_connect) { // Get address info struct addrinfo hints; struct addrinfo *result; @@ -820,6 +1800,9 @@ socket_t create_socket(const char *host, int port, Fn fn, auto service = std::to_string(port); if (getaddrinfo(host, service.c_str(), &hints, &result)) { +#ifdef __linux__ + res_init(); +#endif return INVALID_SOCKET; } @@ -828,6 +1811,23 @@ socket_t create_socket(const char *host, int port, Fn fn, #ifdef _WIN32 auto sock = WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, nullptr, 0, WSA_FLAG_NO_HANDLE_INHERIT); + /** + * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 + * and above the socket creation fails on older Windows Systems. + * + * Let's try to create a socket the old way in this case. + * + * Reference: + * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa + * + * WSA_FLAG_NO_HANDLE_INHERIT: + * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with + * SP1, and later + * + */ + if (sock == INVALID_SOCKET) { + sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); + } #else auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); #endif @@ -837,15 +1837,22 @@ socket_t create_socket(const char *host, int port, Fn fn, if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { continue; } #endif - // Make 'reuse address' option available - int yes = 1; - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&yes, sizeof(yes)); -#ifdef SO_REUSEPORT - setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, (char *)&yes, sizeof(yes)); -#endif + if (tcp_nodelay) { + int yes = 1; + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&yes), + sizeof(yes)); + } + + if (socket_options) { socket_options(sock); } + + if (rp->ai_family == AF_INET6) { + int no = 0; + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast(&no), + sizeof(no)); + } // bind or connect - if (fn(sock, *rp)) { + if (bind_or_connect(sock, *rp)) { freeaddrinfo(result); return sock; } @@ -876,27 +1883,141 @@ inline bool is_connection_error() { #endif } -inline std::string get_remote_addr(socket_t sock) { - struct sockaddr_storage addr; - socklen_t len = sizeof(addr); +inline bool bind_ip_address(socket_t sock, const char *host) { + struct addrinfo hints; + struct addrinfo *result; - if (!getpeername(sock, (struct sockaddr *)&addr, &len)) { - char ipstr[NI_MAXHOST]; + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; - if (!getnameinfo((struct sockaddr *)&addr, len, ipstr, sizeof(ipstr), - nullptr, 0, NI_NUMERICHOST)) { - return ipstr; + if (getaddrinfo(host, "0", &hints, &result)) { return false; } + + auto ret = false; + for (auto rp = result; rp; rp = rp->ai_next) { + const auto &ai = *rp; + if (!::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { + ret = true; + break; } } - return std::string(); + freeaddrinfo(result); + return ret; } -inline const char *find_content_type(const std::string &path) { +#if !defined _WIN32 && !defined ANDROID +#define USE_IF2IP +#endif + +#ifdef USE_IF2IP +inline std::string if2ip(const std::string &ifn) { + struct ifaddrs *ifap; + getifaddrs(&ifap); + for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && ifn == ifa->ifa_name) { + if (ifa->ifa_addr->sa_family == AF_INET) { + auto sa = reinterpret_cast(ifa->ifa_addr); + char buf[INET_ADDRSTRLEN]; + if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { + freeifaddrs(ifap); + return std::string(buf, INET_ADDRSTRLEN); + } + } + } + } + freeifaddrs(ifap); + return std::string(); +} +#endif + +inline socket_t create_client_socket(const char *host, int port, + bool tcp_nodelay, + SocketOptions socket_options, + time_t timeout_sec, time_t timeout_usec, + const std::string &intf, Error &error) { + auto sock = create_socket( + host, port, 0, tcp_nodelay, socket_options, + [&](socket_t sock, struct addrinfo &ai) -> bool { + if (!intf.empty()) { +#ifdef USE_IF2IP + auto ip = if2ip(intf); + if (ip.empty()) { ip = intf; } + if (!bind_ip_address(sock, ip.c_str())) { + error = Error::BindIPAddress; + return false; + } +#endif + } + + set_nonblocking(sock, true); + + auto ret = + ::connect(sock, ai.ai_addr, static_cast(ai.ai_addrlen)); + + if (ret < 0) { + if (is_connection_error() || + !wait_until_socket_is_ready(sock, timeout_sec, timeout_usec)) { + close_socket(sock); + error = Error::Connection; + return false; + } + } + + set_nonblocking(sock, false); + error = Error::Success; + return true; + }); + + if (sock != INVALID_SOCKET) { + error = Error::Success; + } else { + if (error == Error::Success) { error = Error::Connection; } + } + + return sock; +} + +inline void get_remote_ip_and_port(const struct sockaddr_storage &addr, + socklen_t addr_len, std::string &ip, + int &port) { + if (addr.ss_family == AF_INET) { + port = ntohs(reinterpret_cast(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + port = + ntohs(reinterpret_cast(&addr)->sin6_port); + } + + std::array ipstr{}; + if (!getnameinfo(reinterpret_cast(&addr), addr_len, + ipstr.data(), static_cast(ipstr.size()), nullptr, + 0, NI_NUMERICHOST)) { + ip = ipstr.data(); + } +} + +inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + + if (!getpeername(sock, reinterpret_cast(&addr), + &addr_len)) { + get_remote_ip_and_port(addr, addr_len, ip, port); + } +} + +inline const char * +find_content_type(const std::string &path, + const std::map &user_data) { auto ext = file_extension(path); + + auto it = user_data.find(ext); + if (it != user_data.end()) { return it->second.c_str(); } + if (ext == "txt") { return "text/plain"; - } else if (ext == "html") { + } else if (ext == "html" || ext == "htm") { return "text/html"; } else if (ext == "css") { return "text/css"; @@ -916,6 +2037,8 @@ inline const char *find_content_type(const std::string &path) { return "application/pdf"; } else if (ext == "js") { return "application/javascript"; + } else if (ext == "wasm") { + return "application/wasm"; } else if (ext == "xml") { return "application/xml"; } else if (ext == "xhtml") { @@ -926,120 +2049,337 @@ inline const char *find_content_type(const std::string &path) { inline const char *status_message(int status) { switch (status) { + case 100: return "Continue"; + case 101: return "Switching Protocol"; + case 102: return "Processing"; + case 103: return "Early Hints"; case 200: return "OK"; + case 201: return "Created"; + case 202: return "Accepted"; + case 203: return "Non-Authoritative Information"; + case 204: return "No Content"; + case 205: return "Reset Content"; + case 206: return "Partial Content"; + case 207: return "Multi-Status"; + case 208: return "Already Reported"; + case 226: return "IM Used"; + case 300: return "Multiple Choice"; case 301: return "Moved Permanently"; case 302: return "Found"; case 303: return "See Other"; case 304: return "Not Modified"; + case 305: return "Use Proxy"; + case 306: return "unused"; + case 307: return "Temporary Redirect"; + case 308: return "Permanent Redirect"; case 400: return "Bad Request"; + case 401: return "Unauthorized"; + case 402: return "Payment Required"; case 403: return "Forbidden"; case 404: return "Not Found"; + case 405: return "Method Not Allowed"; + case 406: return "Not Acceptable"; + case 407: return "Proxy Authentication Required"; + case 408: return "Request Timeout"; + case 409: return "Conflict"; + case 410: return "Gone"; + case 411: return "Length Required"; + case 412: return "Precondition Failed"; case 413: return "Payload Too Large"; - case 414: return "Request-URI Too Long"; + case 414: return "URI Too Long"; case 415: return "Unsupported Media Type"; + case 416: return "Range Not Satisfiable"; + case 417: return "Expectation Failed"; + case 418: return "I'm a teapot"; + case 421: return "Misdirected Request"; + case 422: return "Unprocessable Entity"; + case 423: return "Locked"; + case 424: return "Failed Dependency"; + case 425: return "Too Early"; + case 426: return "Upgrade Required"; + case 428: return "Precondition Required"; + case 429: return "Too Many Requests"; + case 431: return "Request Header Fields Too Large"; + case 451: return "Unavailable For Legal Reasons"; + case 501: return "Not Implemented"; + case 502: return "Bad Gateway"; + case 503: return "Service Unavailable"; + case 504: return "Gateway Timeout"; + case 505: return "HTTP Version Not Supported"; + case 506: return "Variant Also Negotiates"; + case 507: return "Insufficient Storage"; + case 508: return "Loop Detected"; + case 510: return "Not Extended"; + case 511: return "Network Authentication Required"; + default: case 500: return "Internal Server Error"; } } -#ifdef CPPHTTPLIB_ZLIB_SUPPORT -inline bool can_compress(const std::string &content_type) { - return !content_type.find("text/") || content_type == "image/svg+xml" || +inline bool can_compress_content_type(const std::string &content_type) { + return (!content_type.find("text/") && content_type != "text/event-stream") || + content_type == "image/svg+xml" || content_type == "application/javascript" || content_type == "application/json" || content_type == "application/xml" || content_type == "application/xhtml+xml"; } -inline bool compress(std::string &content) { - z_stream strm; - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; +enum class EncodingType { None = 0, Gzip, Brotli }; - auto ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, - Z_DEFAULT_STRATEGY); - if (ret != Z_OK) { return false; } +inline EncodingType encoding_type(const Request &req, const Response &res) { + auto ret = + detail::can_compress_content_type(res.get_header_value("Content-Type")); + if (!ret) { return EncodingType::None; } - strm.avail_in = content.size(); - strm.next_in = (Bytef *)content.data(); + const auto &s = req.get_header_value("Accept-Encoding"); + (void)(s); - std::string compressed; +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + // TODO: 'Accept-Encoding' has br, not br;q=0 + ret = s.find("br") != std::string::npos; + if (ret) { return EncodingType::Brotli; } +#endif - const auto bufsiz = 16384; - char buff[bufsiz]; - do { - strm.avail_out = bufsiz; - strm.next_out = (Bytef *)buff; - ret = deflate(&strm, Z_FINISH); - assert(ret != Z_STREAM_ERROR); - compressed.append(buff, bufsiz - strm.avail_out); - } while (strm.avail_out == 0); +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + // TODO: 'Accept-Encoding' has gzip, not gzip;q=0 + ret = s.find("gzip") != std::string::npos; + if (ret) { return EncodingType::Gzip; } +#endif - assert(ret == Z_STREAM_END); - assert(strm.avail_in == 0); - - content.swap(compressed); - - deflateEnd(&strm); - return true; + return EncodingType::None; } +class compressor { +public: + virtual ~compressor(){}; + + typedef std::function Callback; + virtual bool compress(const char *data, size_t data_length, bool last, + Callback callback) = 0; +}; + class decompressor { public: - decompressor() { - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; + virtual ~decompressor() {} - // 15 is the value of wbits, which should be at the maximum possible value - // to ensure that any gzip stream can be decoded. The offset of 16 specifies - // that the stream to decompress will be formatted with a gzip wrapper. - is_valid_ = inflateInit2(&strm, 16 + 15) == Z_OK; + virtual bool is_valid() const = 0; + + typedef std::function Callback; + virtual bool decompress(const char *data, size_t data_length, + Callback callback) = 0; +}; + +class nocompressor : public compressor { +public: + ~nocompressor(){}; + + bool compress(const char *data, size_t data_length, bool /*last*/, + Callback callback) override { + if (!data_length) { return true; } + return callback(data, data_length); + } +}; + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +class gzip_compressor : public compressor { +public: + gzip_compressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; + + is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, + Z_DEFAULT_STRATEGY) == Z_OK; } - ~decompressor() { inflateEnd(&strm); } + ~gzip_compressor() { deflateEnd(&strm_); } - bool is_valid() const { return is_valid_; } + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override { + assert(is_valid_); + + auto flush = last ? Z_FINISH : Z_NO_FLUSH; + + strm_.avail_in = static_cast(data_length); + strm_.next_in = const_cast(reinterpret_cast(data)); - template - bool decompress(const char *data, size_t data_len, T callback) { int ret = Z_OK; - std::string decompressed; - // strm.avail_in = content.size(); - // strm.next_in = (Bytef *)content.data(); - strm.avail_in = data_len; - strm.next_in = (Bytef *)data; - - const auto bufsiz = 16384; - char buff[bufsiz]; + std::array buff{}; do { - strm.avail_out = bufsiz; - strm.next_out = (Bytef *)buff; + strm_.avail_out = buff.size(); + strm_.next_out = reinterpret_cast(buff.data()); - ret = inflate(&strm, Z_NO_FLUSH); + ret = deflate(&strm_, flush); + assert(ret != Z_STREAM_ERROR); + + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { + return false; + } + } while (strm_.avail_out == 0); + + assert((last && ret == Z_STREAM_END) || (!last && ret == Z_OK)); + assert(strm_.avail_in == 0); + return true; + } + +private: + bool is_valid_ = false; + z_stream strm_; +}; + +class gzip_decompressor : public decompressor { +public: + gzip_decompressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; + + // 15 is the value of wbits, which should be at the maximum possible value + // to ensure that any gzip stream can be decoded. The offset of 32 specifies + // that the stream type should be automatically detected either gzip or + // deflate. + is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; + } + + ~gzip_decompressor() { inflateEnd(&strm_); } + + bool is_valid() const override { return is_valid_; } + + bool decompress(const char *data, size_t data_length, + Callback callback) override { + assert(is_valid_); + + int ret = Z_OK; + + strm_.avail_in = static_cast(data_length); + strm_.next_in = const_cast(reinterpret_cast(data)); + + std::array buff{}; + while (strm_.avail_in > 0) { + strm_.avail_out = buff.size(); + strm_.next_out = reinterpret_cast(buff.data()); + + ret = inflate(&strm_, Z_NO_FLUSH); assert(ret != Z_STREAM_ERROR); switch (ret) { case Z_NEED_DICT: case Z_DATA_ERROR: - case Z_MEM_ERROR: inflateEnd(&strm); return false; + case Z_MEM_ERROR: inflateEnd(&strm_); return false; } - decompressed.append(buff, bufsiz - strm.avail_out); - } while (strm.avail_out == 0); - - if (ret == Z_STREAM_END) { - callback(decompressed.data(), decompressed.size()); - return true; + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { + return false; + } } - return false; + return ret == Z_OK || ret == Z_STREAM_END; } private: - bool is_valid_; - z_stream strm; + bool is_valid_ = false; + z_stream strm_; +}; +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +class brotli_compressor : public compressor { +public: + brotli_compressor() { + state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); + } + + ~brotli_compressor() { BrotliEncoderDestroyInstance(state_); } + + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override { + std::array buff{}; + + auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; + auto available_in = data_length; + auto next_in = reinterpret_cast(data); + + for (;;) { + if (last) { + if (BrotliEncoderIsFinished(state_)) { break; } + } else { + if (!available_in) { break; } + } + + auto available_out = buff.size(); + auto next_out = buff.data(); + + if (!BrotliEncoderCompressStream(state_, operation, &available_in, + &next_in, &available_out, &next_out, + nullptr)) { + return false; + } + + auto output_bytes = buff.size() - available_out; + if (output_bytes) { + callback(reinterpret_cast(buff.data()), output_bytes); + } + } + + return true; + } + +private: + BrotliEncoderState *state_ = nullptr; +}; + +class brotli_decompressor : public decompressor { +public: + brotli_decompressor() { + decoder_s = BrotliDecoderCreateInstance(0, 0, 0); + decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT + : BROTLI_DECODER_RESULT_ERROR; + } + + ~brotli_decompressor() { + if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); } + } + + bool is_valid() const override { return decoder_s; } + + bool decompress(const char *data, size_t data_length, + Callback callback) override { + if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_ERROR) { + return 0; + } + + const uint8_t *next_in = (const uint8_t *)data; + size_t avail_in = data_length; + size_t total_out; + + decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; + + std::array buff{}; + while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { + char *next_out = buff.data(); + size_t avail_out = buff.size(); + + decoder_r = BrotliDecoderDecompressStream( + decoder_s, &avail_in, &next_in, &avail_out, + reinterpret_cast(&next_out), &total_out); + + if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; } + + if (!callback(buff.data(), buff.size() - avail_out)) { return false; } + } + + return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; + } + +private: + BrotliDecoderResult decoder_r; + BrotliDecoderState *decoder_s = nullptr; }; #endif @@ -1049,56 +2389,101 @@ inline bool has_header(const Headers &headers, const char *key) { inline const char *get_header_value(const Headers &headers, const char *key, size_t id = 0, const char *def = nullptr) { - auto it = headers.find(key); - std::advance(it, id); - if (it != headers.end()) { return it->second.c_str(); } + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { return it->second.c_str(); } return def; } -inline uint64_t get_header_value_uint64(const Headers &headers, const char *key, - int def = 0) { - auto it = headers.find(key); - if (it != headers.end()) { +template +inline T get_header_value(const Headers & /*headers*/, const char * /*key*/, + size_t /*id*/ = 0, uint64_t /*def*/ = 0) {} + +template <> +inline uint64_t get_header_value(const Headers &headers, + const char *key, size_t id, + uint64_t def) { + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { return std::strtoull(it->second.data(), nullptr, 10); } return def; } -inline bool read_headers(Stream &strm, Headers &headers) { - static std::regex re(R"((.+?):\s*(.+?)\s*\r\n)"); +template +inline bool parse_header(const char *beg, const char *end, T fn) { + // Skip trailing spaces and tabs. + while (beg < end && is_space_or_tab(end[-1])) { + end--; + } + auto p = beg; + while (p < end && *p != ':') { + p++; + } + + if (p == end) { return false; } + + auto key_end = p; + + if (*p++ != ':') { return false; } + + while (p < end && is_space_or_tab(*p)) { + p++; + } + + if (p < end) { + fn(std::string(beg, key_end), decode_url(std::string(p, end), false)); + return true; + } + + return false; +} + +inline bool read_headers(Stream &strm, Headers &headers) { const auto bufsiz = 2048; char buf[bufsiz]; - - stream_line_reader reader(strm, buf, bufsiz); + stream_line_reader line_reader(strm, buf, bufsiz); for (;;) { - if (!reader.getline()) { return false; } - if (!strcmp(reader.ptr(), "\r\n")) { break; } - std::cmatch m; - if (std::regex_match(reader.ptr(), m, re)) { - auto key = std::string(m[1]); - auto val = std::string(m[2]); - headers.emplace(key, val); + if (!line_reader.getline()) { return false; } + + // Check if the line ends with CRLF. + if (line_reader.end_with_crlf()) { + // Blank line indicates end of headers. + if (line_reader.size() == 2) { break; } + } else { + continue; // Skip invalid line. } + + // Exclude CRLF + auto end = line_reader.ptr() + line_reader.size() - 2; + + parse_header(line_reader.ptr(), end, + [&](std::string &&key, std::string &&val) { + headers.emplace(std::move(key), std::move(val)); + }); } return true; } -template -inline bool read_content_with_length(Stream &strm, size_t len, - Progress progress, T callback) { +inline bool read_content_with_length(Stream &strm, uint64_t len, + Progress progress, ContentReceiver out) { char buf[CPPHTTPLIB_RECV_BUFSIZ]; - size_t r = 0; + uint64_t r = 0; while (r < len) { - auto n = strm.read(buf, std::min((len - r), CPPHTTPLIB_RECV_BUFSIZ)); + auto read_len = static_cast(len - r); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); if (n <= 0) { return false; } - callback(buf, n); + if (!out(buf, static_cast(n))) { return false; } - r += n; + r += static_cast(n); if (progress) { if (!progress(r, len)) { return false; } @@ -1108,18 +2493,18 @@ inline bool read_content_with_length(Stream &strm, size_t len, return true; } -inline void skip_content_with_length(Stream &strm, size_t len) { +inline void skip_content_with_length(Stream &strm, uint64_t len) { char buf[CPPHTTPLIB_RECV_BUFSIZ]; - size_t r = 0; + uint64_t r = 0; while (r < len) { - auto n = strm.read(buf, std::min((len - r), CPPHTTPLIB_RECV_BUFSIZ)); + auto read_len = static_cast(len - r); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); if (n <= 0) { return; } - r += n; + r += static_cast(n); } } -template -inline bool read_content_without_length(Stream &strm, T callback) { +inline bool read_content_without_length(Stream &strm, ContentReceiver out) { char buf[CPPHTTPLIB_RECV_BUFSIZ]; for (;;) { auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ); @@ -1128,40 +2513,46 @@ inline bool read_content_without_length(Stream &strm, T callback) { } else if (n == 0) { return true; } - callback(buf, n); + if (!out(buf, static_cast(n))) { return false; } } return true; } -template -inline bool read_content_chunked(Stream &strm, T callback) { +inline bool read_content_chunked(Stream &strm, ContentReceiver out) { const auto bufsiz = 16; char buf[bufsiz]; - stream_line_reader reader(strm, buf, bufsiz); + stream_line_reader line_reader(strm, buf, bufsiz); - if (!reader.getline()) { return false; } + if (!line_reader.getline()) { return false; } - auto chunk_len = std::stoi(reader.ptr(), 0, 16); + unsigned long chunk_len; + while (true) { + char *end_ptr; - while (chunk_len > 0) { - if (!read_content_with_length(strm, chunk_len, nullptr, callback)) { + chunk_len = std::strtoul(line_reader.ptr(), &end_ptr, 16); + + if (end_ptr == line_reader.ptr()) { return false; } + if (chunk_len == ULONG_MAX) { return false; } + + if (chunk_len == 0) { break; } + + if (!read_content_with_length(strm, chunk_len, nullptr, out)) { return false; } - if (!reader.getline()) { return false; } + if (!line_reader.getline()) { return false; } - if (strcmp(reader.ptr(), "\r\n")) { break; } + if (strcmp(line_reader.ptr(), "\r\n")) { break; } - if (!reader.getline()) { return false; } - - chunk_len = std::stoi(reader.ptr(), 0, 16); + if (!line_reader.getline()) { return false; } } if (chunk_len == 0) { // Reader terminator after chunks - if (!reader.getline() || strcmp(reader.ptr(), "\r\n")) return false; + if (!line_reader.getline() || strcmp(line_reader.ptr(), "\r\n")) + return false; } return true; @@ -1173,167 +2564,296 @@ inline bool is_chunked_transfer_encoding(const Headers &headers) { } template -bool read_content(Stream &strm, T &x, uint64_t payload_max_length, int &status, - Progress progress, U callback) { - - ContentReceiver out = [&](const char *buf, size_t n) { callback(buf, n); }; +bool prepare_content_receiver(T &x, int &status, ContentReceiver receiver, + bool decompress, U callback) { + if (decompress) { + std::string encoding = x.get_header_value("Content-Encoding"); + std::shared_ptr decompressor; + if (encoding.find("gzip") != std::string::npos || + encoding.find("deflate") != std::string::npos) { #ifdef CPPHTTPLIB_ZLIB_SUPPORT - detail::decompressor decompressor; - - if (!decompressor.is_valid()) { - status = 500; - return false; - } - - if (x.get_header_value("Content-Encoding") == "gzip") { - out = [&](const char *buf, size_t n) { - decompressor.decompress( - buf, n, [&](const char *buf, size_t n) { callback(buf, n); }); - }; - } + decompressor = std::make_shared(); #else - if (x.get_header_value("Content-Encoding") == "gzip") { - status = 415; - return false; - } + status = 415; + return false; #endif + } else if (encoding.find("br") != std::string::npos) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + decompressor = std::make_shared(); +#else + status = 415; + return false; +#endif + } - auto ret = true; - auto exceed_payload_max_length = false; - - if (is_chunked_transfer_encoding(x.headers)) { - ret = read_content_chunked(strm, out); - } else if (!has_header(x.headers, "Content-Length")) { - ret = read_content_without_length(strm, out); - } else { - auto len = get_header_value_uint64(x.headers, "Content-Length", 0); - if (len > 0) { - if ((len > payload_max_length) || - // For 32-bit platform - (sizeof(size_t) < sizeof(uint64_t) && - len > std::numeric_limits::max())) { - exceed_payload_max_length = true; - skip_content_with_length(strm, len); - ret = false; + if (decompressor) { + if (decompressor->is_valid()) { + ContentReceiver out = [&](const char *buf, size_t n) { + return decompressor->decompress( + buf, n, + [&](const char *buf, size_t n) { return receiver(buf, n); }); + }; + return callback(out); } else { - ret = read_content_with_length(strm, len, progress, out); + status = 500; + return false; } } } - if (!ret) { status = exceed_payload_max_length ? 413 : 400; } - - return ret; -} - -template inline void write_headers(Stream &strm, const T &info) { - for (const auto &x : info.headers) { - strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); - } - strm.write("\r\n"); + ContentReceiver out = [&](const char *buf, size_t n) { + return receiver(buf, n); + }; + return callback(out); } template -inline void write_content_chunked(Stream &strm, const T &x) { - auto chunked_response = !x.has_header("Content-Length"); - uint64_t offset = 0; +bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, + Progress progress, ContentReceiver receiver, + bool decompress) { + return prepare_content_receiver( + x, status, receiver, decompress, [&](const ContentReceiver &out) { + auto ret = true; + auto exceed_payload_max_length = false; + + if (is_chunked_transfer_encoding(x.headers)) { + ret = read_content_chunked(strm, out); + } else if (!has_header(x.headers, "Content-Length")) { + ret = read_content_without_length(strm, out); + } else { + auto len = get_header_value(x.headers, "Content-Length"); + if (len > payload_max_length) { + exceed_payload_max_length = true; + skip_content_with_length(strm, len); + ret = false; + } else if (len > 0) { + ret = read_content_with_length(strm, len, progress, out); + } + } + + if (!ret) { status = exceed_payload_max_length ? 413 : 400; } + return ret; + }); +} + +template +inline ssize_t write_headers(Stream &strm, const T &info, + const Headers &headers) { + ssize_t write_len = 0; + for (const auto &x : info.headers) { + if (x.first == "EXCEPTION_WHAT") { continue; } + auto len = + strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); + if (len < 0) { return len; } + write_len += len; + } + for (const auto &x : headers) { + auto len = + strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); + if (len < 0) { return len; } + write_len += len; + } + auto len = strm.write("\r\n"); + if (len < 0) { return len; } + write_len += len; + return write_len; +} + +inline bool write_data(Stream &strm, const char *d, size_t l) { + size_t offset = 0; + while (offset < l) { + auto length = strm.write(d + offset, l - offset); + if (length < 0) { return false; } + offset += static_cast(length); + } + return true; +} + +template +inline ssize_t write_content(Stream &strm, ContentProvider content_provider, + size_t offset, size_t length, T is_shutting_down) { + size_t begin_offset = offset; + size_t end_offset = offset + length; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) { + if (ok) { + offset += l; + if (!write_data(strm, d, l)) { ok = false; } + } + }; + + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + + while (offset < end_offset && !is_shutting_down()) { + if (!content_provider(offset, end_offset - offset, data_sink)) { + return -1; + } + if (!ok) { return -1; } + } + + return static_cast(offset - begin_offset); +} + +template +inline ssize_t write_content_without_length(Stream &strm, + ContentProvider content_provider, + T is_shutting_down) { + size_t offset = 0; auto data_available = true; - while (data_available) { - auto chunk = x.content_producer(offset); - offset += chunk.size(); - data_available = !chunk.empty(); + auto ok = true; + DataSink data_sink; - // Emit chunked response header and footer for each chunk - if (chunked_response) { - chunk = from_i_to_hex(chunk.size()) + "\r\n" + chunk + "\r\n"; + data_sink.write = [&](const char *d, size_t l) { + if (ok) { + offset += l; + if (!write_data(strm, d, l)) { ok = false; } } + }; - if (strm.write(chunk.c_str(), chunk.size()) < 0) { - break; // Stop on error - } - } -} + data_sink.done = [&](void) { data_available = false; }; -inline std::string encode_url(const std::string &s) { - std::string result; + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; - for (auto i = 0; s[i]; i++) { - switch (s[i]) { - case ' ': result += "%20"; break; - case '+': result += "%2B"; break; - case '\r': result += "%0D"; break; - case '\n': result += "%0A"; break; - case '\'': result += "%27"; break; - case ',': result += "%2C"; break; - case ':': result += "%3A"; break; - case ';': result += "%3B"; break; - default: - auto c = static_cast(s[i]); - if (c >= 0x80) { - result += '%'; - char hex[4]; - size_t len = snprintf(hex, sizeof(hex) - 1, "%02X", c); - assert(len == 2); - result.append(hex, len); - } else { - result += s[i]; - } - break; - } + while (data_available && !is_shutting_down()) { + if (!content_provider(offset, 0, data_sink)) { return -1; } + if (!ok) { return -1; } } - return result; + return static_cast(offset); } -inline std::string decode_url(const std::string &s) { - std::string result; +template +inline ssize_t write_content_chunked(Stream &strm, + ContentProvider content_provider, + T is_shutting_down, U &compressor) { + size_t offset = 0; + auto data_available = true; + ssize_t total_written_length = 0; + auto ok = true; + DataSink data_sink; - for (size_t i = 0; i < s.size(); i++) { - if (s[i] == '%' && i + 1 < s.size()) { - if (s[i + 1] == 'u') { - int val = 0; - if (from_hex_to_i(s, i + 2, 4, val)) { - // 4 digits Unicode codes - char buff[4]; - size_t len = to_utf8(val, buff); - if (len > 0) { result.append(buff, len); } - i += 5; // 'u0000' - } else { - result += s[i]; - } + data_sink.write = [&](const char *d, size_t l) { + if (!ok) { return; } + + data_available = l > 0; + offset += l; + + std::string payload; + if (!compressor.compress(d, l, false, + [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + ok = false; + return; + } + + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (write_data(strm, chunk.data(), chunk.size())) { + total_written_length += chunk.size(); } else { - int val = 0; - if (from_hex_to_i(s, i + 1, 2, val)) { - // 2 digits hex codes - result += val; - i += 2; // '00' - } else { - result += s[i]; - } + ok = false; + return; } - } else if (s[i] == '+') { - result += ' '; + } + }; + + data_sink.done = [&](void) { + if (!ok) { return; } + + data_available = false; + + std::string payload; + if (!compressor.compress(nullptr, 0, true, + [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + ok = false; + return; + } + + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (write_data(strm, chunk.data(), chunk.size())) { + total_written_length += chunk.size(); + } else { + ok = false; + return; + } + } + + static const std::string done_marker("0\r\n\r\n"); + if (write_data(strm, done_marker.data(), done_marker.size())) { + total_written_length += done_marker.size(); } else { - result += s[i]; + ok = false; } + }; + + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + + while (data_available && !is_shutting_down()) { + if (!content_provider(offset, 0, data_sink)) { return -1; } + if (!ok) { return -1; } } - return result; + return total_written_length; +} + +template +inline bool redirect(T &cli, const Request &req, Response &res, + const std::string &path) { + Request new_req = req; + new_req.path = path; + new_req.redirect_count -= 1; + + if (res.status == 303 && (req.method != "GET" && req.method != "HEAD")) { + new_req.method = "GET"; + new_req.body.clear(); + new_req.headers.clear(); + } + + Response new_res; + + auto ret = cli.send(new_req, new_res); + if (ret) { res = new_res; } + return ret; +} + +inline std::string params_to_query_str(const Params ¶ms) { + std::string query; + + for (auto it = params.begin(); it != params.end(); ++it) { + if (it != params.begin()) { query += "&"; } + query += it->first; + query += "="; + query += encode_url(it->second); + } + return query; } inline void parse_query_text(const std::string &s, Params ¶ms) { - split(&s[0], &s[s.size()], '&', [&](const char *b, const char *e) { + split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) { std::string key; std::string val; - split(b, e, '=', [&](const char *b, const char *e) { + split(b, e, '=', [&](const char *b2, const char *e2) { if (key.empty()) { - key.assign(b, e); + key.assign(b2, e2); } else { - val.assign(b, e); + val.assign(b2, e2); } }); - params.emplace(key, decode_url(val)); + + if (!key.empty()) { + params.emplace(decode_url(key, true), decode_url(val, true)); + } }); } @@ -1341,111 +2861,453 @@ inline bool parse_multipart_boundary(const std::string &content_type, std::string &boundary) { auto pos = content_type.find("boundary="); if (pos == std::string::npos) { return false; } - boundary = content_type.substr(pos + 9); - return true; + if (boundary.length() >= 2 && boundary.front() == '"' && + boundary.back() == '"') { + boundary = boundary.substr(1, boundary.size() - 2); + } + return !boundary.empty(); } -inline bool parse_multipart_formdata(const std::string &boundary, - const std::string &body, - MultipartFiles &files) { - static std::string dash = "--"; - static std::string crlf = "\r\n"; +inline bool parse_range_header(const std::string &s, Ranges &ranges) { + static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); + std::smatch m; + if (std::regex_match(s, m, re_first_range)) { + auto pos = static_cast(m.position(1)); + auto len = static_cast(m.length(1)); + bool all_valid_ranges = true; + split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { + if (!all_valid_ranges) return; + static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); + std::cmatch cm; + if (std::regex_match(b, e, cm, re_another_range)) { + ssize_t first = -1; + if (!cm.str(1).empty()) { + first = static_cast(std::stoll(cm.str(1))); + } - static std::regex re_content_type("Content-Type: (.*?)", - std::regex_constants::icase); + ssize_t last = -1; + if (!cm.str(2).empty()) { + last = static_cast(std::stoll(cm.str(2))); + } - static std::regex re_content_disposition( - "Content-Disposition: form-data; name=\"(.*?)\"(?:; filename=\"(.*?)\")?", - std::regex_constants::icase); - - auto dash_boundary = dash + boundary; - - auto pos = body.find(dash_boundary); - if (pos != 0) { return false; } - - pos += dash_boundary.size(); - - auto next_pos = body.find(crlf, pos); - if (next_pos == std::string::npos) { return false; } - - pos = next_pos + crlf.size(); - - while (pos < body.size()) { - next_pos = body.find(crlf, pos); - if (next_pos == std::string::npos) { return false; } - - std::string name; - MultipartFile file; - - auto header = body.substr(pos, (next_pos - pos)); - - while (pos != next_pos) { - std::smatch m; - if (std::regex_match(header, m, re_content_type)) { - file.content_type = m[1]; - } else if (std::regex_match(header, m, re_content_disposition)) { - name = m[1]; - file.filename = m[2]; + if (first != -1 && last != -1 && first > last) { + all_valid_ranges = false; + return; + } + ranges.emplace_back(std::make_pair(first, last)); } + }); + return all_valid_ranges; + } + return false; +} - pos = next_pos + crlf.size(); +class MultipartFormDataParser { +public: + MultipartFormDataParser() = default; - next_pos = body.find(crlf, pos); - if (next_pos == std::string::npos) { return false; } + void set_boundary(std::string &&boundary) { boundary_ = boundary; } - header = body.substr(pos, (next_pos - pos)); + bool is_valid() const { return is_valid_; } + + template + bool parse(const char *buf, size_t n, T content_callback, U header_callback) { + + static const std::regex re_content_disposition( + "^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename=" + "\"(.*?)\")?\\s*$", + std::regex_constants::icase); + static const std::string dash_ = "--"; + static const std::string crlf_ = "\r\n"; + + buf_.append(buf, n); // TODO: performance improvement + + while (!buf_.empty()) { + switch (state_) { + case 0: { // Initial boundary + auto pattern = dash_ + boundary_ + crlf_; + if (pattern.size() > buf_.size()) { return true; } + auto pos = buf_.find(pattern); + if (pos != 0) { return false; } + buf_.erase(0, pattern.size()); + off_ += pattern.size(); + state_ = 1; + break; + } + case 1: { // New entry + clear_file_info(); + state_ = 2; + break; + } + case 2: { // Headers + auto pos = buf_.find(crlf_); + while (pos != std::string::npos) { + // Empty line + if (pos == 0) { + if (!header_callback(file_)) { + is_valid_ = false; + return false; + } + buf_.erase(0, crlf_.size()); + off_ += crlf_.size(); + state_ = 3; + break; + } + + static const std::string header_name = "content-type:"; + const auto header = buf_.substr(0, pos); + if (start_with(header, header_name)) { + file_.content_type = trim_copy(header.substr(header_name.size())); + } else { + std::smatch m; + if (std::regex_match(header, m, re_content_disposition)) { + file_.name = m[1]; + file_.filename = m[2]; + } + } + + buf_.erase(0, pos + crlf_.size()); + off_ += pos + crlf_.size(); + pos = buf_.find(crlf_); + } + if (state_ != 3) { return true; } + break; + } + case 3: { // Body + { + auto pattern = crlf_ + dash_; + if (pattern.size() > buf_.size()) { return true; } + + auto pos = buf_.find(pattern); + if (pos == std::string::npos) { + pos = buf_.size(); + while (pos > 0) { + auto c = buf_[pos - 1]; + if (c != '\r' && c != '\n' && c != '-') { break; } + pos--; + } + } + + if (!content_callback(buf_.data(), pos)) { + is_valid_ = false; + return false; + } + + off_ += pos; + buf_.erase(0, pos); + } + + { + auto pattern = crlf_ + dash_ + boundary_; + if (pattern.size() > buf_.size()) { return true; } + + auto pos = buf_.find(pattern); + if (pos != std::string::npos) { + if (!content_callback(buf_.data(), pos)) { + is_valid_ = false; + return false; + } + + off_ += pos + pattern.size(); + buf_.erase(0, pos + pattern.size()); + state_ = 4; + } else { + if (!content_callback(buf_.data(), pattern.size())) { + is_valid_ = false; + return false; + } + + off_ += pattern.size(); + buf_.erase(0, pattern.size()); + } + } + break; + } + case 4: { // Boundary + if (crlf_.size() > buf_.size()) { return true; } + if (buf_.compare(0, crlf_.size(), crlf_) == 0) { + buf_.erase(0, crlf_.size()); + off_ += crlf_.size(); + state_ = 1; + } else { + auto pattern = dash_ + crlf_; + if (pattern.size() > buf_.size()) { return true; } + if (buf_.compare(0, pattern.size(), pattern) == 0) { + buf_.erase(0, pattern.size()); + off_ += pattern.size(); + is_valid_ = true; + state_ = 5; + } else { + return true; + } + } + break; + } + case 5: { // Done + is_valid_ = false; + return false; + } + } } - pos = next_pos + crlf.size(); - - next_pos = body.find(crlf + dash_boundary, pos); - - if (next_pos == std::string::npos) { return false; } - - file.offset = pos; - file.length = next_pos - pos; - - pos = next_pos + crlf.size() + dash_boundary.size(); - - next_pos = body.find(crlf, pos); - if (next_pos == std::string::npos) { return false; } - - files.emplace(name, file); - - pos = next_pos + crlf.size(); + return true; } - return true; -} +private: + void clear_file_info() { + file_.name.clear(); + file_.filename.clear(); + file_.content_type.clear(); + } + + std::string boundary_; + + std::string buf_; + size_t state_ = 0; + bool is_valid_ = false; + size_t off_ = 0; + MultipartFormData file_; +}; inline std::string to_lower(const char *beg, const char *end) { std::string out; auto it = beg; while (it != end) { - out += ::tolower(*it); + out += static_cast(::tolower(*it)); it++; } return out; } -inline void make_range_header_core(std::string &) {} +inline std::string make_multipart_data_boundary() { + static const char data[] = + "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; -template -inline void make_range_header_core(std::string &field, uint64_t value) { - if (!field.empty()) { field += ", "; } - field += std::to_string(value) + "-"; + std::random_device seed_gen; + std::mt19937 engine(seed_gen()); + + std::string result = "--cpp-httplib-multipart-data-"; + + for (auto i = 0; i < 16; i++) { + result += data[engine() % (sizeof(data) - 1)]; + } + + return result; } -template -inline void make_range_header_core(std::string &field, uint64_t value1, - uint64_t value2, Args... args) { - if (!field.empty()) { field += ", "; } - field += std::to_string(value1) + "-" + std::to_string(value2); - make_range_header_core(field, args...); +inline std::pair +get_range_offset_and_length(const Request &req, size_t content_length, + size_t index) { + auto r = req.ranges[index]; + + if (r.first == -1 && r.second == -1) { + return std::make_pair(0, content_length); + } + + auto slen = static_cast(content_length); + + if (r.first == -1) { + r.first = slen - r.second; + r.second = slen - 1; + } + + if (r.second == -1) { r.second = slen - 1; } + + return std::make_pair(r.first, r.second - r.first + 1); } +inline std::string make_content_range_header_field(size_t offset, size_t length, + size_t content_length) { + std::string field = "bytes "; + field += std::to_string(offset); + field += "-"; + field += std::to_string(offset + length - 1); + field += "/"; + field += std::to_string(content_length); + return field; +} + +template +bool process_multipart_ranges_data(const Request &req, Response &res, + const std::string &boundary, + const std::string &content_type, + SToken stoken, CToken ctoken, + Content content) { + for (size_t i = 0; i < req.ranges.size(); i++) { + ctoken("--"); + stoken(boundary); + ctoken("\r\n"); + if (!content_type.empty()) { + ctoken("Content-Type: "); + stoken(content_type); + ctoken("\r\n"); + } + + auto offsets = get_range_offset_and_length(req, res.body.size(), i); + auto offset = offsets.first; + auto length = offsets.second; + + ctoken("Content-Range: "); + stoken(make_content_range_header_field(offset, length, res.body.size())); + ctoken("\r\n"); + ctoken("\r\n"); + if (!content(offset, length)) { return false; } + ctoken("\r\n"); + } + + ctoken("--"); + stoken(boundary); + ctoken("--\r\n"); + + return true; +} + +inline std::string make_multipart_ranges_data(const Request &req, Response &res, + const std::string &boundary, + const std::string &content_type) { + std::string data; + + process_multipart_ranges_data( + req, res, boundary, content_type, + [&](const std::string &token) { data += token; }, + [&](const char *token) { data += token; }, + [&](size_t offset, size_t length) { + data += res.body.substr(offset, length); + return true; + }); + + return data; +} + +inline size_t +get_multipart_ranges_data_length(const Request &req, Response &res, + const std::string &boundary, + const std::string &content_type) { + size_t data_length = 0; + + process_multipart_ranges_data( + req, res, boundary, content_type, + [&](const std::string &token) { data_length += token.size(); }, + [&](const char *token) { data_length += strlen(token); }, + [&](size_t /*offset*/, size_t length) { + data_length += length; + return true; + }); + + return data_length; +} + +template +inline bool write_multipart_ranges_data(Stream &strm, const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type, + T is_shutting_down) { + return process_multipart_ranges_data( + req, res, boundary, content_type, + [&](const std::string &token) { strm.write(token); }, + [&](const char *token) { strm.write(token); }, + [&](size_t offset, size_t length) { + return write_content(strm, res.content_provider_, offset, length, + is_shutting_down) >= 0; + }); +} + +inline std::pair +get_range_offset_and_length(const Request &req, const Response &res, + size_t index) { + auto r = req.ranges[index]; + + if (r.second == -1) { + r.second = static_cast(res.content_length_) - 1; + } + + return std::make_pair(r.first, r.second - r.first + 1); +} + +inline bool expect_content(const Request &req) { + if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || + req.method == "PRI" || req.method == "DELETE") { + return true; + } + // TODO: check if Content-Length is set + return false; +} + +inline bool has_crlf(const char *s) { + auto p = s; + while (*p) { + if (*p == '\r' || *p == '\n') { return true; } + p++; + } + return false; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +template +inline std::string message_digest(const std::string &s, Init init, + Update update, Final final, + size_t digest_length) { + using namespace std; + + std::vector md(digest_length, 0); + CTX ctx; + init(&ctx); + update(&ctx, s.data(), s.size()); + final(md.data(), &ctx); + + stringstream ss; + for (auto c : md) { + ss << setfill('0') << setw(2) << hex << (unsigned int)c; + } + return ss.str(); +} + +inline std::string MD5(const std::string &s) { + return message_digest(s, MD5_Init, MD5_Update, MD5_Final, + MD5_DIGEST_LENGTH); +} + +inline std::string SHA_256(const std::string &s) { + return message_digest(s, SHA256_Init, SHA256_Update, SHA256_Final, + SHA256_DIGEST_LENGTH); +} + +inline std::string SHA_512(const std::string &s) { + return message_digest(s, SHA512_Init, SHA512_Update, SHA512_Final, + SHA512_DIGEST_LENGTH); +} +#endif + #ifdef _WIN32 +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +// NOTE: This code came up with the following stackoverflow post: +// https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store +inline bool load_system_certs_on_windows(X509_STORE *store) { + auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT"); + + if (!hStore) { return false; } + + PCCERT_CONTEXT pContext = NULL; + while (pContext = CertEnumCertificatesInStore(hStore, pContext)) { + auto encoded_cert = + static_cast(pContext->pbCertEncoded); + + auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded); + if (x509) { + X509_STORE_add_cert(store, x509); + X509_free(x509); + } + } + + CertFreeCertificateContext(pContext); + CertCloseStore(hStore, 0); + + return true; +} +#endif + class WSInit { public: WSInit() { @@ -1459,24 +3321,150 @@ public: static WSInit wsinit_; #endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline std::pair make_digest_authentication_header( + const Request &req, const std::map &auth, + size_t cnonce_count, const std::string &cnonce, const std::string &username, + const std::string &password, bool is_proxy = false) { + using namespace std; + + string nc; + { + stringstream ss; + ss << setfill('0') << setw(8) << hex << cnonce_count; + nc = ss.str(); + } + + auto qop = auth.at("qop"); + if (qop.find("auth-int") != std::string::npos) { + qop = "auth-int"; + } else { + qop = "auth"; + } + + std::string algo = "MD5"; + if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); } + + string response; + { + auto H = algo == "SHA-256" + ? detail::SHA_256 + : algo == "SHA-512" ? detail::SHA_512 : detail::MD5; + + auto A1 = username + ":" + auth.at("realm") + ":" + password; + + auto A2 = req.method + ":" + req.path; + if (qop == "auth-int") { A2 += ":" + H(req.body); } + + response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + + ":" + qop + ":" + H(A2)); + } + + auto field = "Digest username=\"" + username + "\", realm=\"" + + auth.at("realm") + "\", nonce=\"" + auth.at("nonce") + + "\", uri=\"" + req.path + "\", algorithm=" + algo + + ", qop=" + qop + ", nc=\"" + nc + "\", cnonce=\"" + cnonce + + "\", response=\"" + response + "\""; + + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); +} +#endif + +inline bool parse_www_authenticate(const Response &res, + std::map &auth, + bool is_proxy) { + auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; + if (res.has_header(auth_key)) { + static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~"); + auto s = res.get_header_value(auth_key); + auto pos = s.find(' '); + if (pos != std::string::npos) { + auto type = s.substr(0, pos); + if (type == "Basic") { + return false; + } else if (type == "Digest") { + s = s.substr(pos + 1); + auto beg = std::sregex_iterator(s.begin(), s.end(), re); + for (auto i = beg; i != std::sregex_iterator(); ++i) { + auto m = *i; + auto key = s.substr(static_cast(m.position(1)), + static_cast(m.length(1))); + auto val = m.length(2) > 0 + ? s.substr(static_cast(m.position(2)), + static_cast(m.length(2))) + : s.substr(static_cast(m.position(3)), + static_cast(m.length(3))); + auth[key] = val; + } + return true; + } + } + } + return false; +} + +// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240 +inline std::string random_string(size_t length) { + auto randchar = []() -> char { + const char charset[] = "0123456789" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz"; + const size_t max_index = (sizeof(charset) - 1); + return charset[static_cast(rand()) % max_index]; + }; + std::string str(length, 0); + std::generate_n(str.begin(), length, randchar); + return str; +} + +class ContentProviderAdapter { +public: + explicit ContentProviderAdapter( + ContentProviderWithoutLength &&content_provider) + : content_provider_(content_provider) {} + + bool operator()(size_t offset, size_t, DataSink &sink) { + return content_provider_(offset, sink); + } + +private: + ContentProviderWithoutLength content_provider_; +}; + } // namespace detail // Header utilities -template -inline std::pair make_range_header(uint64_t value, - Args... args) { - std::string field; - detail::make_range_header_core(field, value, args...); - field.insert(0, "bytes="); +inline std::pair make_range_header(Ranges ranges) { + std::string field = "bytes="; + auto i = 0; + for (auto r : ranges) { + if (i != 0) { field += ", "; } + if (r.first != -1) { field += std::to_string(r.first); } + field += '-'; + if (r.second != -1) { field += std::to_string(r.second); } + i++; + } return std::make_pair("Range", field); } - -inline std::pair -make_basic_authentication_header(const std::string& username, const std::string& password) { +inline std::pair +make_basic_authentication_header(const std::string &username, + const std::string &password, + bool is_proxy = false) { auto field = "Basic " + detail::base64_encode(username + ":" + password); - return std::make_pair("Authorization", field); + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); } + +inline std::pair +make_bearer_token_authentication_header(const std::string &token, + bool is_proxy = false) { + auto field = "Bearer " + token; + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); +} + // Request implementation inline bool Request::has_header(const char *key) const { return detail::has_header(headers, key); @@ -1486,13 +3474,26 @@ inline std::string Request::get_header_value(const char *key, size_t id) const { return detail::get_header_value(headers, key, id, ""); } +template +inline T Request::get_header_value(const char *key, size_t id) const { + return detail::get_header_value(headers, key, id, 0); +} + inline size_t Request::get_header_value_count(const char *key) const { auto r = headers.equal_range(key); - return std::distance(r.first, r.second); + return static_cast(std::distance(r.first, r.second)); } inline void Request::set_header(const char *key, const char *val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } +} + +inline void Request::set_header(const char *key, const std::string &val) { + if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { + headers.emplace(key, val); + } } inline bool Request::has_param(const char *key) const { @@ -1500,25 +3501,31 @@ inline bool Request::has_param(const char *key) const { } inline std::string Request::get_param_value(const char *key, size_t id) const { - auto it = params.find(key); - std::advance(it, id); - if (it != params.end()) { return it->second; } + auto rng = params.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { return it->second; } return std::string(); } inline size_t Request::get_param_value_count(const char *key) const { auto r = params.equal_range(key); - return std::distance(r.first, r.second); + return static_cast(std::distance(r.first, r.second)); +} + +inline bool Request::is_multipart_form_data() const { + const auto &content_type = get_header_value("Content-Type"); + return !content_type.find("multipart/form-data"); } inline bool Request::has_file(const char *key) const { return files.find(key) != files.end(); } -inline MultipartFile Request::get_file_value(const char *key) const { +inline MultipartFormData Request::get_file_value(const char *key) const { auto it = files.find(key); if (it != files.end()) { return it->second; } - return MultipartFile(); + return MultipartFormData(); } // Response implementation @@ -1531,18 +3538,41 @@ inline std::string Response::get_header_value(const char *key, return detail::get_header_value(headers, key, id, ""); } +template +inline T Response::get_header_value(const char *key, size_t id) const { + return detail::get_header_value(headers, key, id, 0); +} + inline size_t Response::get_header_value_count(const char *key) const { auto r = headers.equal_range(key); - return std::distance(r.first, r.second); + return static_cast(std::distance(r.first, r.second)); } inline void Response::set_header(const char *key, const char *val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } } -inline void Response::set_redirect(const char *url) { - set_header("Location", url); - status = 302; +inline void Response::set_header(const char *key, const std::string &val) { + if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { + headers.emplace(key, val); + } +} + +inline void Response::set_redirect(const char *url, int stat) { + if (!detail::has_crlf(url)) { + set_header("Location", url); + if (300 <= stat && stat < 400) { + this->status = stat; + } else { + this->status = 302; + } + } +} + +inline void Response::set_redirect(const std::string &url, int stat) { + set_redirect(url.c_str(), stat); } inline void Response::set_content(const char *s, size_t n, @@ -1551,97 +3581,172 @@ inline void Response::set_content(const char *s, size_t n, set_header("Content-Type", content_type); } -inline void Response::set_content(const std::string &s, - const char *content_type) { - body = s; +inline void Response::set_content(std::string s, const char *content_type) { + body = std::move(s); set_header("Content-Type", content_type); } +inline void +Response::set_content_provider(size_t in_length, const char *content_type, + ContentProvider provider, + const std::function &resource_releaser) { + assert(in_length > 0); + set_header("Content-Type", content_type); + content_length_ = in_length; + content_provider_ = std::move(provider); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = false; +} + +inline void +Response::set_content_provider(const char *content_type, + ContentProviderWithoutLength provider, + const std::function &resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = false; +} + +inline void Response::set_chunked_content_provider( + const char *content_type, ContentProviderWithoutLength provider, + const std::function &resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = true; +} + // Rstream implementation -template -inline void Stream::write_format(const char *fmt, const Args &... args) { - const auto bufsiz = 2048; - char buf[bufsiz]; - -#if defined(_MSC_VER) && _MSC_VER < 1900 - auto n = _snprintf_s(buf, bufsiz, bufsiz - 1, fmt, args...); -#else - auto n = snprintf(buf, bufsiz - 1, fmt, args...); -#endif - if (n > 0) { - if (n >= bufsiz - 1) { - std::vector glowable_buf(bufsiz); - - while (n >= static_cast(glowable_buf.size() - 1)) { - glowable_buf.resize(glowable_buf.size() * 2); -#if defined(_MSC_VER) && _MSC_VER < 1900 - n = _snprintf_s(&glowable_buf[0], glowable_buf.size(), - glowable_buf.size() - 1, fmt, args...); -#else - n = snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...); -#endif - } - write(&glowable_buf[0], n); - } else { - write(buf, n); - } - } -} - -// Socket stream implementation -inline SocketStream::SocketStream(socket_t sock) : sock_(sock) {} - -inline SocketStream::~SocketStream() {} - -inline int SocketStream::read(char *ptr, size_t size) { - if (detail::select_read(sock_, CPPHTTPLIB_READ_TIMEOUT_SECOND, - CPPHTTPLIB_READ_TIMEOUT_USECOND) > 0) { - return recv(sock_, ptr, static_cast(size), 0); - } - return -1; -} - -inline int SocketStream::write(const char *ptr, size_t size) { - return send(sock_, ptr, static_cast(size), 0); -} - -inline int SocketStream::write(const char *ptr) { +inline ssize_t Stream::write(const char *ptr) { return write(ptr, strlen(ptr)); } -inline std::string SocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); +inline ssize_t Stream::write(const std::string &s) { + return write(s.data(), s.size()); } -// Buffer stream implementation -inline int BufferStream::read(char *ptr, size_t size) { +template +inline ssize_t Stream::write_format(const char *fmt, const Args &... args) { + const auto bufsiz = 2048; + std::array buf; + #if defined(_MSC_VER) && _MSC_VER < 1900 - return static_cast(buffer._Copy_s(ptr, size, size)); + auto sn = _snprintf_s(buf.data(), bufsiz - 1, buf.size() - 1, fmt, args...); #else - return static_cast(buffer.copy(ptr, size)); + auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); +#endif + if (sn <= 0) { return sn; } + + auto n = static_cast(sn); + + if (n >= buf.size() - 1) { + std::vector glowable_buf(buf.size()); + + while (n >= glowable_buf.size() - 1) { + glowable_buf.resize(glowable_buf.size() * 2); +#if defined(_MSC_VER) && _MSC_VER < 1900 + n = static_cast(_snprintf_s(&glowable_buf[0], glowable_buf.size(), + glowable_buf.size() - 1, fmt, + args...)); +#else + n = static_cast( + snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); +#endif + } + return write(&glowable_buf[0], n); + } else { + return write(buf.data(), n); + } +} + +namespace detail { + +// Socket stream implementation +inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) + : sock_(sock), read_timeout_sec_(read_timeout_sec), + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec) {} + +inline SocketStream::~SocketStream() {} + +inline bool SocketStream::is_readable() const { + return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; +} + +inline bool SocketStream::is_writable() const { + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0; +} + +inline ssize_t SocketStream::read(char *ptr, size_t size) { + if (!is_readable()) { return -1; } + +#ifdef _WIN32 + if (size > static_cast((std::numeric_limits::max)())) { + return -1; + } + return recv(sock_, ptr, static_cast(size), 0); +#else + return handle_EINTR([&]() { return recv(sock_, ptr, size, 0); }); #endif } -inline int BufferStream::write(const char *ptr, size_t size) { - buffer.append(ptr, size); - return static_cast(size); +inline ssize_t SocketStream::write(const char *ptr, size_t size) { + if (!is_writable()) { return -1; } + +#ifdef _WIN32 + if (size > static_cast((std::numeric_limits::max)())) { + return -1; + } + return send(sock_, ptr, static_cast(size), 0); +#else + return handle_EINTR([&]() { return send(sock_, ptr, size, 0); }); +#endif } -inline int BufferStream::write(const char *ptr) { - size_t size = strlen(ptr); - buffer.append(ptr, size); - return static_cast(size); +inline void SocketStream::get_remote_ip_and_port(std::string &ip, + int &port) const { + return detail::get_remote_ip_and_port(sock_, ip, port); } -inline std::string BufferStream::get_remote_addr() const { return ""; } +// Buffer stream implementation +inline bool BufferStream::is_readable() const { return true; } + +inline bool BufferStream::is_writable() const { return true; } + +inline ssize_t BufferStream::read(char *ptr, size_t size) { +#if defined(_MSC_VER) && _MSC_VER <= 1900 + auto len_read = buffer._Copy_s(ptr, size, size, position); +#else + auto len_read = buffer.copy(ptr, size, position); +#endif + position += static_cast(len_read); + return static_cast(len_read); +} + +inline ssize_t BufferStream::write(const char *ptr, size_t size) { + buffer.append(ptr, size); + return static_cast(size); +} + +inline void BufferStream::get_remote_ip_and_port(std::string & /*ip*/, + int & /*port*/) const {} inline const std::string &BufferStream::get_buffer() const { return buffer; } +} // namespace detail + // HTTP server implementation inline Server::Server() - : keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), - payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH), is_running_(false), - svr_sock_(INVALID_SOCKET), running_threads_(0) { + : new_task_queue( + [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }), + svr_sock_(INVALID_SOCKET), is_running_(false) { #ifndef _WIN32 signal(SIGPIPE, SIG_IGN); #endif @@ -1659,48 +3764,136 @@ inline Server &Server::Post(const char *pattern, Handler handler) { return *this; } +inline Server &Server::Post(const char *pattern, + HandlerWithContentReader handler) { + post_handlers_for_content_reader_.push_back( + std::make_pair(std::regex(pattern), handler)); + return *this; +} + inline Server &Server::Put(const char *pattern, Handler handler) { put_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); return *this; } +inline Server &Server::Put(const char *pattern, + HandlerWithContentReader handler) { + put_handlers_for_content_reader_.push_back( + std::make_pair(std::regex(pattern), handler)); + return *this; +} + inline Server &Server::Patch(const char *pattern, Handler handler) { patch_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); return *this; } +inline Server &Server::Patch(const char *pattern, + HandlerWithContentReader handler) { + patch_handlers_for_content_reader_.push_back( + std::make_pair(std::regex(pattern), handler)); + return *this; +} + inline Server &Server::Delete(const char *pattern, Handler handler) { delete_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); return *this; } +inline Server &Server::Delete(const char *pattern, + HandlerWithContentReader handler) { + delete_handlers_for_content_reader_.push_back( + std::make_pair(std::regex(pattern), handler)); + return *this; +} + inline Server &Server::Options(const char *pattern, Handler handler) { options_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); return *this; } -inline bool Server::set_base_dir(const char *path) { - if (detail::is_dir(path)) { - base_dir_ = path; - return true; +inline bool Server::set_base_dir(const char *dir, const char *mount_point) { + return set_mount_point(mount_point, dir); +} + +inline bool Server::set_mount_point(const char *mount_point, const char *dir) { + if (detail::is_dir(dir)) { + std::string mnt = mount_point ? mount_point : "/"; + if (!mnt.empty() && mnt[0] == '/') { + base_dirs_.emplace_back(mnt, dir); + return true; + } } return false; } -inline void Server::set_error_handler(Handler handler) { - error_handler_ = handler; +inline bool Server::remove_mount_point(const char *mount_point) { + for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { + if (it->first == mount_point) { + base_dirs_.erase(it); + return true; + } + } + return false; } -inline void Server::set_logger(Logger logger) { logger_ = logger; } +inline void Server::set_file_extension_and_mimetype_mapping(const char *ext, + const char *mime) { + file_extension_and_mimetype_map_[ext] = mime; +} + +inline void Server::set_file_request_handler(Handler handler) { + file_request_handler_ = std::move(handler); +} + +inline void Server::set_error_handler(Handler handler) { + error_handler_ = std::move(handler); +} + +inline void Server::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } + +inline void Server::set_socket_options(SocketOptions socket_options) { + socket_options_ = socket_options; +} + +inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); } + +inline void +Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { + expect_100_continue_handler_ = std::move(handler); +} inline void Server::set_keep_alive_max_count(size_t count) { keep_alive_max_count_ = count; } -inline void Server::set_payload_max_length(uint64_t length) { +inline void Server::set_keep_alive_timeout(time_t sec) { + keep_alive_timeout_sec_ = sec; +} + +inline void Server::set_read_timeout(time_t sec, time_t usec) { + read_timeout_sec_ = sec; + read_timeout_usec_ = usec; +} + +inline void Server::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; +} + +inline void Server::set_idle_interval(time_t sec, time_t usec) { + idle_interval_sec_ = sec; + idle_interval_usec_ = usec; +} + +inline void Server::set_payload_max_length(size_t length) { payload_max_length_ = length; } +inline bool Server::bind_to_port(const char *host, int port, int socket_flags) { + if (bind_internal(host, port, socket_flags) < 0) return false; + return true; +} inline int Server::bind_to_any_port(const char *host, int socket_flags) { return bind_internal(host, 0, socket_flags); } @@ -1708,8 +3901,7 @@ inline int Server::bind_to_any_port(const char *host, int socket_flags) { inline bool Server::listen_after_bind() { return listen_internal(); } inline bool Server::listen(const char *host, int port, int socket_flags) { - if (bind_internal(host, port, socket_flags) < 0) return false; - return listen_internal(); + return bind_to_port(host, port, socket_flags) && listen_internal(); } inline bool Server::is_running() const { return is_running_; } @@ -1724,15 +3916,16 @@ inline void Server::stop() { } inline bool Server::parse_request_line(const char *s, Request &req) { - static std::regex re("(GET|HEAD|POST|PUT|PATCH|DELETE|OPTIONS) " - "(([^?]+)(?:\\?(.+?))?) (HTTP/1\\.[01])\r\n"); + const static std::regex re( + "(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE|PATCH|PRI) " + "(([^?]+)(?:\\?(.*?))?) (HTTP/1\\.[01])\r\n"); std::cmatch m; if (std::regex_match(s, m, re)) { req.version = std::string(m[5]); req.method = std::string(m[1]); req.target = std::string(m[2]); - req.path = detail::decode_url(m[3]); + req.path = detail::decode_url(m[3], false); // Parse query text auto len = std::distance(m[4].first, m[4].second); @@ -1744,121 +3937,381 @@ inline bool Server::parse_request_line(const char *s, Request &req) { return false; } -inline void Server::write_response(Stream &strm, bool last_connection, +inline bool Server::write_response(Stream &strm, bool close_connection, const Request &req, Response &res) { assert(res.status != -1); if (400 <= res.status && error_handler_) { error_handler_(req, res); } + detail::BufferStream bstrm; + // Response line - strm.write_format("HTTP/1.1 %d %s\r\n", res.status, - detail::status_message(res.status)); + if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, + detail::status_message(res.status))) { + return false; + } // Headers - if (last_connection || req.get_header_value("Connection") == "close") { + if (close_connection || req.get_header_value("Connection") == "close") { res.set_header("Connection", "close"); + } else { + std::stringstream ss; + ss << "timeout=" << keep_alive_timeout_sec_ + << ", max=" << keep_alive_max_count_; + res.set_header("Keep-Alive", ss.str()); } - if (!last_connection && req.get_header_value("Connection") == "Keep-Alive") { - res.set_header("Connection", "Keep-Alive"); + if (!res.has_header("Content-Type") && + (!res.body.empty() || res.content_length_ > 0 || res.content_provider_)) { + res.set_header("Content-Type", "text/plain"); } + if (!res.has_header("Accept-Ranges") && req.method == "HEAD") { + res.set_header("Accept-Ranges", "bytes"); + } + + std::string content_type; + std::string boundary; + + if (req.ranges.size() > 1) { + boundary = detail::make_multipart_data_boundary(); + + auto it = res.headers.find("Content-Type"); + if (it != res.headers.end()) { + content_type = it->second; + res.headers.erase(it); + } + + res.headers.emplace("Content-Type", + "multipart/byteranges; boundary=" + boundary); + } + + auto type = detail::encoding_type(req, res); + if (res.body.empty()) { - if (!res.has_header("Content-Length")) { - if (res.content_producer) { - // Streamed response - res.set_header("Transfer-Encoding", "chunked"); + if (res.content_length_ > 0) { + size_t length = 0; + if (req.ranges.empty()) { + length = res.content_length_; + } else if (req.ranges.size() == 1) { + auto offsets = + detail::get_range_offset_and_length(req, res.content_length_, 0); + auto offset = offsets.first; + length = offsets.second; + auto content_range = detail::make_content_range_header_field( + offset, length, res.content_length_); + res.set_header("Content-Range", content_range); + } else { + length = detail::get_multipart_ranges_data_length(req, res, boundary, + content_type); + } + res.set_header("Content-Length", std::to_string(length)); + } else { + if (res.content_provider_) { + if (res.is_chunked_content_provider) { + res.set_header("Transfer-Encoding", "chunked"); + if (type == detail::EncodingType::Gzip) { + res.set_header("Content-Encoding", "gzip"); + } else if (type == detail::EncodingType::Brotli) { + res.set_header("Content-Encoding", "br"); + } + } } else { res.set_header("Content-Length", "0"); } } } else { -#ifdef CPPHTTPLIB_ZLIB_SUPPORT - // TODO: 'Accpet-Encoding' has gzip, not gzip;q=0 - const auto &encodings = req.get_header_value("Accept-Encoding"); - if (encodings.find("gzip") != std::string::npos && - detail::can_compress(res.get_header_value("Content-Type"))) { - if (detail::compress(res.body)) { - res.set_header("Content-Encoding", "gzip"); - } + if (req.ranges.empty()) { + ; + } else if (req.ranges.size() == 1) { + auto offsets = + detail::get_range_offset_and_length(req, res.body.size(), 0); + auto offset = offsets.first; + auto length = offsets.second; + auto content_range = detail::make_content_range_header_field( + offset, length, res.body.size()); + res.set_header("Content-Range", content_range); + res.body = res.body.substr(offset, length); + } else { + res.body = + detail::make_multipart_ranges_data(req, res, boundary, content_type); } -#endif - if (!res.has_header("Content-Type")) { - res.set_header("Content-Type", "text/plain"); + if (type != detail::EncodingType::None) { + std::shared_ptr compressor; + + if (type == detail::EncodingType::Gzip) { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + compressor = std::make_shared(); + res.set_header("Content-Encoding", "gzip"); +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = std::make_shared(); + res.set_header("Content-Encoding", "brotli"); +#endif + } + + if (compressor) { + std::string compressed; + + if (!compressor->compress(res.body.data(), res.body.size(), true, + [&](const char *data, size_t data_len) { + compressed.append(data, data_len); + return true; + })) { + return false; + } + + res.body.swap(compressed); + } } auto length = std::to_string(res.body.size()); - res.set_header("Content-Length", length.c_str()); + res.set_header("Content-Length", length); } - detail::write_headers(strm, res); + if (!detail::write_headers(bstrm, res, Headers())) { return false; } + + // Flush buffer + auto &data = bstrm.get_buffer(); + strm.write(data.data(), data.size()); // Body + auto ret = true; if (req.method != "HEAD") { if (!res.body.empty()) { - strm.write(res.body.c_str(), res.body.size()); - } else if (res.content_producer) { - detail::write_content_chunked(strm, res); + if (!strm.write(res.body)) { ret = false; } + } else if (res.content_provider_) { + if (!write_content_with_provider(strm, req, res, boundary, + content_type)) { + ret = false; + } } } // Log if (logger_) { logger_(req, res); } + + return ret; } -inline bool Server::handle_file_request(Request &req, Response &res) { - if (!base_dir_.empty() && detail::is_valid_path(req.path)) { - std::string path = base_dir_ + req.path; +inline bool +Server::write_content_with_provider(Stream &strm, const Request &req, + Response &res, const std::string &boundary, + const std::string &content_type) { + auto is_shutting_down = [this]() { + return this->svr_sock_ == INVALID_SOCKET; + }; - if (!path.empty() && path.back() == '/') { path += "index.html"; } + if (res.content_length_ > 0) { + if (req.ranges.empty()) { + if (detail::write_content(strm, res.content_provider_, 0, + res.content_length_, is_shutting_down) < 0) { + return false; + } + } else if (req.ranges.size() == 1) { + auto offsets = + detail::get_range_offset_and_length(req, res.content_length_, 0); + auto offset = offsets.first; + auto length = offsets.second; + if (detail::write_content(strm, res.content_provider_, offset, length, + is_shutting_down) < 0) { + return false; + } + } else { + if (!detail::write_multipart_ranges_data( + strm, req, res, boundary, content_type, is_shutting_down)) { + return false; + } + } + } else { + if (res.is_chunked_content_provider) { + auto type = detail::encoding_type(req, res); - if (detail::is_file(path)) { - detail::read_file(path, res.body); - auto type = detail::find_content_type(path); - if (type) { res.set_header("Content-Type", type); } - res.status = 200; - return true; + std::shared_ptr compressor; + if (type == detail::EncodingType::Gzip) { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + compressor = std::make_shared(); +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = std::make_shared(); +#endif + } else { + compressor = std::make_shared(); + } + assert(compressor != nullptr); + + if (detail::write_content_chunked(strm, res.content_provider_, + is_shutting_down, *compressor) < 0) { + return false; + } + } else { + if (detail::write_content_without_length(strm, res.content_provider_, + is_shutting_down) < 0) { + return false; + } } } + return true; +} +inline bool Server::read_content(Stream &strm, Request &req, Response &res) { + MultipartFormDataMap::iterator cur; + if (read_content_core( + strm, req, res, + // Regular + [&](const char *buf, size_t n) { + if (req.body.size() + n > req.body.max_size()) { return false; } + req.body.append(buf, n); + return true; + }, + // Multipart + [&](const MultipartFormData &file) { + cur = req.files.emplace(file.name, file); + return true; + }, + [&](const char *buf, size_t n) { + auto &content = cur->second.content; + if (content.size() + n > content.max_size()) { return false; } + content.append(buf, n); + return true; + })) { + const auto &content_type = req.get_header_value("Content-Type"); + if (!content_type.find("application/x-www-form-urlencoded")) { + detail::parse_query_text(req.body, req.params); + } + return true; + } return false; } -inline socket_t Server::create_server_socket(const char *host, int port, - int socket_flags) const { +inline bool Server::read_content_with_content_receiver( + Stream &strm, Request &req, Response &res, ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver) { + return read_content_core(strm, req, res, receiver, multipart_header, + multipart_receiver); +} + +inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, + ContentReceiver receiver, + MultipartContentHeader mulitpart_header, + ContentReceiver multipart_receiver) { + detail::MultipartFormDataParser multipart_form_data_parser; + ContentReceiver out; + + if (req.is_multipart_form_data()) { + const auto &content_type = req.get_header_value("Content-Type"); + std::string boundary; + if (!detail::parse_multipart_boundary(content_type, boundary)) { + res.status = 400; + return false; + } + + multipart_form_data_parser.set_boundary(std::move(boundary)); + out = [&](const char *buf, size_t n) { + /* For debug + size_t pos = 0; + while (pos < n) { + auto read_size = std::min(1, n - pos); + auto ret = multipart_form_data_parser.parse( + buf + pos, read_size, multipart_receiver, mulitpart_header); + if (!ret) { return false; } + pos += read_size; + } + return true; + */ + return multipart_form_data_parser.parse(buf, n, multipart_receiver, + mulitpart_header); + }; + } else { + out = receiver; + } + + if (req.method == "DELETE" && !req.has_header("Content-Length")) { + return true; + } + + if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr, + out, true)) { + return false; + } + + if (req.is_multipart_form_data()) { + if (!multipart_form_data_parser.is_valid()) { + res.status = 400; + return false; + } + } + + return true; +} + +inline bool Server::handle_file_request(Request &req, Response &res, + bool head) { + for (const auto &kv : base_dirs_) { + const auto &mount_point = kv.first; + const auto &base_dir = kv.second; + + // Prefix match + if (!req.path.compare(0, mount_point.size(), mount_point)) { + std::string sub_path = "/" + req.path.substr(mount_point.size()); + if (detail::is_valid_path(sub_path)) { + auto path = base_dir + sub_path; + if (path.back() == '/') { path += "index.html"; } + + if (detail::is_file(path)) { + detail::read_file(path, res.body); + auto type = + detail::find_content_type(path, file_extension_and_mimetype_map_); + if (type) { res.set_header("Content-Type", type); } + res.status = 200; + if (!head && file_request_handler_) { + file_request_handler_(req, res); + } + return true; + } + } + } + } + return false; +} + +inline socket_t +Server::create_server_socket(const char *host, int port, int socket_flags, + SocketOptions socket_options) const { return detail::create_socket( - host, port, + host, port, socket_flags, tcp_nodelay_, socket_options, [](socket_t sock, struct addrinfo &ai) -> bool { - if (::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { + if (::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { return false; } if (::listen(sock, 5)) { // Listen through 5 channels return false; } return true; - }, - socket_flags); + }); } inline int Server::bind_internal(const char *host, int port, int socket_flags) { if (!is_valid()) { return -1; } - svr_sock_ = create_server_socket(host, port, socket_flags); + svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_); if (svr_sock_ == INVALID_SOCKET) { return -1; } if (port == 0) { - struct sockaddr_storage address; - socklen_t len = sizeof(address); - if (getsockname(svr_sock_, reinterpret_cast(&address), - &len) == -1) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + if (getsockname(svr_sock_, reinterpret_cast(&addr), + &addr_len) == -1) { return -1; } - if (address.ss_family == AF_INET) { - return ntohs(reinterpret_cast(&address)->sin_port); - } else if (address.ss_family == AF_INET6) { - return ntohs( - reinterpret_cast(&address)->sin6_port); + if (addr.ss_family == AF_INET) { + return ntohs(reinterpret_cast(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + return ntohs(reinterpret_cast(&addr)->sin6_port); } else { return -1; } @@ -1869,88 +4322,155 @@ inline int Server::bind_internal(const char *host, int port, int socket_flags) { inline bool Server::listen_internal() { auto ret = true; - is_running_ = true; - for (;;) { - if (svr_sock_ == INVALID_SOCKET) { - // The server socket was closed by 'stop' method. - break; - } + { + std::unique_ptr task_queue(new_task_queue()); - auto val = detail::select_read(svr_sock_, 0, 100000); - - if (val == 0) { // Timeout - continue; - } - - socket_t sock = accept(svr_sock_, nullptr, nullptr); - - if (sock == INVALID_SOCKET) { - if (svr_sock_ != INVALID_SOCKET) { - detail::close_socket(svr_sock_); - ret = false; - } else { - ; // The server socket was closed by user. + while (svr_sock_ != INVALID_SOCKET) { +#ifndef _WIN32 + if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) { +#endif + auto val = detail::select_read(svr_sock_, idle_interval_sec_, + idle_interval_usec_); + if (val == 0) { // Timeout + task_queue->on_idle(); + continue; + } +#ifndef _WIN32 } - break; - } +#endif + socket_t sock = accept(svr_sock_, nullptr, nullptr); - // TODO: Use thread pool... - std::thread([=]() { - { - std::lock_guard guard(running_threads_mutex_); - running_threads_++; + if (sock == INVALID_SOCKET) { + if (errno == EMFILE) { + // The per-process limit of open file descriptors has been reached. + // Try to accept new connections after a short sleep. + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + continue; + } + if (svr_sock_ != INVALID_SOCKET) { + detail::close_socket(svr_sock_); + ret = false; + } else { + ; // The server socket was closed by user. + } + break; } - read_and_close_socket(sock); +#if __cplusplus > 201703L + task_queue->enqueue([=, this]() { process_and_close_socket(sock); }); +#else + task_queue->enqueue([=]() { process_and_close_socket(sock); }); +#endif + } - { - std::lock_guard guard(running_threads_mutex_); - running_threads_--; - } - }).detach(); - } - - // TODO: Use thread pool... - for (;;) { - std::this_thread::sleep_for(std::chrono::milliseconds(10)); - std::lock_guard guard(running_threads_mutex_); - if (!running_threads_) { break; } + task_queue->shutdown(); } is_running_ = false; - return ret; } -inline bool Server::routing(Request &req, Response &res) { - if (req.method == "GET" && handle_file_request(req, res)) { return true; } +inline bool Server::routing(Request &req, Response &res, Stream &strm) { + // File handler + bool is_head_request = req.method == "HEAD"; + if ((req.method == "GET" || is_head_request) && + handle_file_request(req, res, is_head_request)) { + return true; + } + if (detail::expect_content(req)) { + // Content reader handler + { + ContentReader reader( + [&](ContentReceiver receiver) { + return read_content_with_content_receiver(strm, req, res, receiver, + nullptr, nullptr); + }, + [&](MultipartContentHeader header, ContentReceiver receiver) { + return read_content_with_content_receiver(strm, req, res, nullptr, + header, receiver); + }); + + if (req.method == "POST") { + if (dispatch_request_for_content_reader( + req, res, reader, post_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "PUT") { + if (dispatch_request_for_content_reader( + req, res, reader, put_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "PATCH") { + if (dispatch_request_for_content_reader( + req, res, reader, patch_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "DELETE") { + if (dispatch_request_for_content_reader( + req, res, reader, delete_handlers_for_content_reader_)) { + return true; + } + } + } + + // Read content into `req.body` + if (!read_content(strm, req, res)) { return false; } + } + + // Regular handler if (req.method == "GET" || req.method == "HEAD") { return dispatch_request(req, res, get_handlers_); } else if (req.method == "POST") { return dispatch_request(req, res, post_handlers_); } else if (req.method == "PUT") { return dispatch_request(req, res, put_handlers_); - } else if (req.method == "PATCH") { - return dispatch_request(req, res, patch_handlers_); } else if (req.method == "DELETE") { return dispatch_request(req, res, delete_handlers_); } else if (req.method == "OPTIONS") { return dispatch_request(req, res, options_handlers_); + } else if (req.method == "PATCH") { + return dispatch_request(req, res, patch_handlers_); } + + res.status = 400; return false; } inline bool Server::dispatch_request(Request &req, Response &res, - Handlers &handlers) { + const Handlers &handlers) { + + try { + for (const auto &x : handlers) { + const auto &pattern = x.first; + const auto &handler = x.second; + + if (std::regex_match(req.path, req.matches, pattern)) { + handler(req, res); + return true; + } + } + } catch (const std::exception &ex) { + res.status = 500; + res.set_header("EXCEPTION_WHAT", ex.what()); + } catch (...) { + res.status = 500; + res.set_header("EXCEPTION_WHAT", "UNKNOWN"); + } + return false; +} + +inline bool Server::dispatch_request_for_content_reader( + Request &req, Response &res, ContentReader content_reader, + const HandlersForContentReader &handlers) { for (const auto &x : handlers) { const auto &pattern = x.first; const auto &handler = x.second; if (std::regex_match(req.path, req.matches, pattern)) { - handler(req, res); + handler(req, res, content_reader); return true; } } @@ -1958,16 +4478,15 @@ inline bool Server::dispatch_request(Request &req, Response &res, } inline bool -Server::process_request(Stream &strm, bool last_connection, - bool &connection_close, - std::function setup_request) { - const auto bufsiz = 2048; - char buf[bufsiz]; +Server::process_request(Stream &strm, bool close_connection, + bool &connection_closed, + const std::function &setup_request) { + std::array buf{}; - detail::stream_line_reader reader(strm, buf, bufsiz); + detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); // Connection has been closed on client - if (!reader.getline()) { return false; } + if (!line_reader.getline()) { return false; } Request req; Response res; @@ -1975,417 +4494,1021 @@ Server::process_request(Stream &strm, bool last_connection, res.version = "HTTP/1.1"; // Check if the request URI doesn't exceed the limit - if (reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { + if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { + Headers dummy; + detail::read_headers(strm, dummy); res.status = 414; - write_response(strm, last_connection, req, res); - return true; + return write_response(strm, close_connection, req, res); } // Request line and headers - if (!parse_request_line(reader.ptr(), req) || + if (!parse_request_line(line_reader.ptr(), req) || !detail::read_headers(strm, req.headers)) { res.status = 400; - write_response(strm, last_connection, req, res); - return true; + return write_response(strm, close_connection, req, res); } if (req.get_header_value("Connection") == "close") { - connection_close = true; + connection_closed = true; } - req.set_header("REMOTE_ADDR", strm.get_remote_addr().c_str()); + if (req.version == "HTTP/1.0" && + req.get_header_value("Connection") != "Keep-Alive") { + connection_closed = true; + } - // Body - if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH") { - if (!detail::read_content( - strm, req, payload_max_length_, res.status, Progress(), - [&](const char *buf, size_t n) { req.body.append(buf, n); })) { - write_response(strm, last_connection, req, res); - return true; - } + strm.get_remote_ip_and_port(req.remote_addr, req.remote_port); + req.set_header("REMOTE_ADDR", req.remote_addr); + req.set_header("REMOTE_PORT", std::to_string(req.remote_port)); - const auto &content_type = req.get_header_value("Content-Type"); - - if (!content_type.find("application/x-www-form-urlencoded")) { - detail::parse_query_text(req.body, req.params); - } else if (!content_type.find("multipart/form-data")) { - std::string boundary; - if (!detail::parse_multipart_boundary(content_type, boundary) || - !detail::parse_multipart_formdata(boundary, req.body, req.files)) { - res.status = 400; - write_response(strm, last_connection, req, res); - return true; - } + if (req.has_header("Range")) { + const auto &range_header_value = req.get_header_value("Range"); + if (!detail::parse_range_header(range_header_value, req.ranges)) { + // TODO: error } } - // TODO: Add additional request info if (setup_request) { setup_request(req); } - if (routing(req, res)) { - if (res.status == -1) { res.status = 200; } - } else { - res.status = 404; + if (req.get_header_value("Expect") == "100-continue") { + auto status = 100; + if (expect_100_continue_handler_) { + status = expect_100_continue_handler_(req, res); + } + switch (status) { + case 100: + case 417: + strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, + detail::status_message(status)); + break; + default: return write_response(strm, close_connection, req, res); + } } - write_response(strm, last_connection, req, res); - return true; + // Rounting + if (routing(req, res, strm)) { + if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; } + } else { + if (res.status == -1) { res.status = 404; } + } + + return write_response(strm, close_connection, req, res); } inline bool Server::is_valid() const { return true; } -inline bool Server::read_and_close_socket(socket_t sock) { - return detail::read_and_close_socket( - sock, keep_alive_max_count_, - [this](Stream &strm, bool last_connection, bool &connection_close) { - return process_request(strm, last_connection, connection_close); +inline bool Server::process_and_close_socket(socket_t sock) { + auto ret = detail::process_server_socket( + sock, keep_alive_max_count_, keep_alive_timeout_sec_, read_timeout_sec_, + read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, + [this](Stream &strm, bool close_connection, bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, + nullptr); }); + + detail::shutdown_socket(sock); + detail::close_socket(sock); + return ret; } // HTTP client implementation -inline Client::Client(const char *host, int port, time_t timeout_sec) - : host_(host), port_(port), timeout_sec_(timeout_sec), - host_and_port_(host_ + ":" + std::to_string(port_)) {} +inline ClientImpl::ClientImpl(const std::string &host) + : ClientImpl(host, 80, std::string(), std::string()) {} -inline Client::~Client() {} +inline ClientImpl::ClientImpl(const std::string &host, int port) + : ClientImpl(host, port, std::string(), std::string()) {} -inline bool Client::is_valid() const { return true; } +inline ClientImpl::ClientImpl(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : host_(host), port_(port), + host_and_port_(host_ + ":" + std::to_string(port_)), + client_cert_path_(client_cert_path), client_key_path_(client_key_path) {} -inline socket_t Client::create_client_socket() const { - return detail::create_socket( - host_.c_str(), port_, [=](socket_t sock, struct addrinfo &ai) -> bool { - detail::set_nonblocking(sock, true); +inline ClientImpl::~ClientImpl() { stop_core(); } - auto ret = connect(sock, ai.ai_addr, static_cast(ai.ai_addrlen)); - if (ret < 0) { - if (detail::is_connection_error() || - !detail::wait_until_socket_is_ready(sock, timeout_sec_, 0)) { - detail::close_socket(sock); - return false; - } - } +inline bool ClientImpl::is_valid() const { return true; } - detail::set_nonblocking(sock, false); - return true; - }); +inline Error ClientImpl::get_last_error() const { return error_; } + +inline void ClientImpl::copy_settings(const ClientImpl &rhs) { + client_cert_path_ = rhs.client_cert_path_; + client_key_path_ = rhs.client_key_path_; + connection_timeout_sec_ = rhs.connection_timeout_sec_; + read_timeout_sec_ = rhs.read_timeout_sec_; + read_timeout_usec_ = rhs.read_timeout_usec_; + write_timeout_sec_ = rhs.write_timeout_sec_; + write_timeout_usec_ = rhs.write_timeout_usec_; + basic_auth_username_ = rhs.basic_auth_username_; + basic_auth_password_ = rhs.basic_auth_password_; + bearer_token_auth_token_ = rhs.bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + digest_auth_username_ = rhs.digest_auth_username_; + digest_auth_password_ = rhs.digest_auth_password_; +#endif + keep_alive_ = rhs.keep_alive_; + follow_location_ = rhs.follow_location_; + tcp_nodelay_ = rhs.tcp_nodelay_; + socket_options_ = rhs.socket_options_; + compress_ = rhs.compress_; + decompress_ = rhs.decompress_; + interface_ = rhs.interface_; + proxy_host_ = rhs.proxy_host_; + proxy_port_ = rhs.proxy_port_; + proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; + proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; + proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; + proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; +#endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + server_certificate_verification_ = rhs.server_certificate_verification_; +#endif + logger_ = rhs.logger_; } -inline bool Client::read_response_line(Stream &strm, Response &res) { - const auto bufsiz = 2048; - char buf[bufsiz]; +inline socket_t ClientImpl::create_client_socket() const { + if (!proxy_host_.empty() && proxy_port_ != -1) { + return detail::create_client_socket( + proxy_host_.c_str(), proxy_port_, tcp_nodelay_, socket_options_, + connection_timeout_sec_, connection_timeout_usec_, interface_, error_); + } + return detail::create_client_socket( + host_.c_str(), port_, tcp_nodelay_, socket_options_, + connection_timeout_sec_, connection_timeout_usec_, interface_, error_); +} - detail::stream_line_reader reader(strm, buf, bufsiz); +inline bool ClientImpl::create_and_connect_socket(Socket &socket) { + auto sock = create_client_socket(); + if (sock == INVALID_SOCKET) { return false; } + socket.sock = sock; + return true; +} - if (!reader.getline()) { return false; } +inline void ClientImpl::close_socket(Socket &socket, + bool /*process_socket_ret*/) { + detail::close_socket(socket.sock); + socket_.sock = INVALID_SOCKET; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + socket_.ssl = nullptr; +#endif +} - const static std::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n"); +inline bool ClientImpl::read_response_line(Stream &strm, Response &res) { + std::array buf; + + detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); + + if (!line_reader.getline()) { return false; } + + const static std::regex re("(HTTP/1\\.[01]) (\\d+) (.*?)\r\n"); std::cmatch m; - if (std::regex_match(reader.ptr(), m, re)) { + if (!std::regex_match(line_reader.ptr(), m, re)) { return false; } + res.version = std::string(m[1]); + res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); + + // Ignore '100 Continue' + while (res.status == 100) { + if (!line_reader.getline()) { return false; } // CRLF + if (!line_reader.getline()) { return false; } // next response line + + if (!std::regex_match(line_reader.ptr(), m, re)) { return false; } res.version = std::string(m[1]); res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); } return true; } -inline bool Client::send(Request &req, Response &res) { - if (req.path.empty()) { return false; } +inline bool ClientImpl::send(const Request &req, Response &res) { + std::lock_guard request_mutex_guard(request_mutex_); - auto sock = create_client_socket(); - if (sock == INVALID_SOCKET) { return false; } + { + std::lock_guard guard(socket_mutex_); - return read_and_close_socket(sock, req, res); + auto is_alive = false; + if (socket_.is_open()) { + is_alive = detail::select_write(socket_.sock, 0, 0) > 0; + if (!is_alive) { close_socket(socket_, false); } + } + + if (!is_alive) { + if (!create_and_connect_socket(socket_)) { return false; } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + // TODO: refactoring + if (is_ssl()) { + auto &scli = static_cast(*this); + if (!proxy_host_.empty() && proxy_port_ != -1) { + bool success = false; + if (!scli.connect_with_proxy(socket_, res, success)) { + return success; + } + } + + if (!scli.initialize_ssl(socket_)) { return false; } + } +#endif + } + } + + auto close_connection = !keep_alive_; + + auto ret = process_socket(socket_, [&](Stream &strm) { + return handle_request(strm, req, res, close_connection); + }); + + if (close_connection || !ret) { stop_core(); } + + if (!ret) { + if (error_ == Error::Success) { error_ = Error::Unknown; } + } + + return ret; } -inline void Client::write_request(Stream &strm, Request &req) { - BufferStream bstrm; +inline bool ClientImpl::handle_request(Stream &strm, const Request &req, + Response &res, bool close_connection) { + if (req.path.empty()) { + error_ = Error::Connection; + return false; + } + + bool ret; + + if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) { + auto req2 = req; + req2.path = "http://" + host_and_port_ + req.path; + ret = process_request(strm, req2, res, close_connection); + } else { + ret = process_request(strm, req, res, close_connection); + } + + if (!ret) { return false; } + + if (300 < res.status && res.status < 400 && follow_location_) { + ret = redirect(req, res); + } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if ((res.status == 401 || res.status == 407) && + req.authorization_count_ < 5) { + auto is_proxy = res.status == 407; + const auto &username = + is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; + const auto &password = + is_proxy ? proxy_digest_auth_password_ : digest_auth_password_; + + if (!username.empty() && !password.empty()) { + std::map auth; + if (detail::parse_www_authenticate(res, auth, is_proxy)) { + Request new_req = req; + new_req.authorization_count_ += 1; + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + new_req.headers.erase(key); + new_req.headers.insert(detail::make_digest_authentication_header( + req, auth, new_req.authorization_count_, detail::random_string(10), + username, password, is_proxy)); + + Response new_res; + + ret = send(new_req, new_res); + if (ret) { res = new_res; } + } + } + } +#endif + + return ret; +} + +inline bool ClientImpl::redirect(const Request &req, Response &res) { + if (req.redirect_count == 0) { + error_ = Error::ExceedRedirectCount; + return false; + } + + auto location = detail::decode_url(res.get_header_value("location"), true); + if (location.empty()) { return false; } + + const static std::regex re( + R"(^(?:(https?):)?(?://([^:/?#]*)(?::(\d+))?)?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); + + std::smatch m; + if (!std::regex_match(location, m, re)) { return false; } + + auto scheme = is_ssl() ? "https" : "http"; + + auto next_scheme = m[1].str(); + auto next_host = m[2].str(); + auto port_str = m[3].str(); + auto next_path = m[4].str(); + + auto next_port = port_; + if (!port_str.empty()) { + next_port = std::stoi(port_str); + } else if (!next_scheme.empty()) { + next_port = next_scheme == "https" ? 443 : 80; + } + + if (next_scheme.empty()) { next_scheme = scheme; } + if (next_host.empty()) { next_host = host_; } + if (next_path.empty()) { next_path = "/"; } + + if (next_scheme == scheme && next_host == host_ && next_port == port_) { + return detail::redirect(*this, req, res, next_path); + } else { + if (next_scheme == "https") { +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + SSLClient cli(next_host.c_str(), next_port); + cli.copy_settings(*this); + auto ret = detail::redirect(cli, req, res, next_path); + if (!ret) { error_ = cli.get_last_error(); } + return ret; +#else + return false; +#endif + } else { + ClientImpl cli(next_host.c_str(), next_port); + cli.copy_settings(*this); + auto ret = detail::redirect(cli, req, res, next_path); + if (!ret) { error_ = cli.get_last_error(); } + return ret; + } + } +} + +inline bool ClientImpl::write_request(Stream &strm, const Request &req, + bool close_connection) { + detail::BufferStream bstrm; // Request line - auto path = detail::encode_url(req.path); + const auto &path = detail::encode_url(req.path); bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); - // Headers + // Additonal headers + Headers headers; + if (close_connection) { headers.emplace("Connection", "close"); } + if (!req.has_header("Host")) { if (is_ssl()) { if (port_ == 443) { - req.set_header("Host", host_.c_str()); + headers.emplace("Host", host_); } else { - req.set_header("Host", host_and_port_.c_str()); + headers.emplace("Host", host_and_port_); } } else { if (port_ == 80) { - req.set_header("Host", host_.c_str()); + headers.emplace("Host", host_); } else { - req.set_header("Host", host_and_port_.c_str()); + headers.emplace("Host", host_and_port_); } } } - if (!req.has_header("Accept")) { req.set_header("Accept", "*/*"); } + if (!req.has_header("Accept")) { headers.emplace("Accept", "*/*"); } if (!req.has_header("User-Agent")) { - req.set_header("User-Agent", "cpp-httplib/0.2"); + headers.emplace("User-Agent", "cpp-httplib/0.7"); } - // TODO: Support KeepAlive connection - // if (!req.has_header("Connection")) { - req.set_header("Connection", "close"); - // } - if (req.body.empty()) { - if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH") { - req.set_header("Content-Length", "0"); + if (req.content_provider) { + auto length = std::to_string(req.content_length); + headers.emplace("Content-Length", length); + } else { + headers.emplace("Content-Length", "0"); } } else { if (!req.has_header("Content-Type")) { - req.set_header("Content-Type", "text/plain"); + headers.emplace("Content-Type", "text/plain"); } if (!req.has_header("Content-Length")) { auto length = std::to_string(req.body.size()); - req.set_header("Content-Length", length.c_str()); + headers.emplace("Content-Length", length); } } - detail::write_headers(bstrm, req); + if (!basic_auth_password_.empty()) { + headers.insert(make_basic_authentication_header( + basic_auth_username_, basic_auth_password_, false)); + } - // Body - if (!req.body.empty()) { bstrm.write(req.body.c_str(), req.body.size()); } + if (!proxy_basic_auth_username_.empty() && + !proxy_basic_auth_password_.empty()) { + headers.insert(make_basic_authentication_header( + proxy_basic_auth_username_, proxy_basic_auth_password_, true)); + } + + if (!bearer_token_auth_token_.empty()) { + headers.insert(make_bearer_token_authentication_header( + bearer_token_auth_token_, false)); + } + + if (!proxy_bearer_token_auth_token_.empty()) { + headers.insert(make_bearer_token_authentication_header( + proxy_bearer_token_auth_token_, true)); + } + + detail::write_headers(bstrm, req, headers); // Flush buffer auto &data = bstrm.get_buffer(); - strm.write(data.data(), data.size()); -} - -inline bool Client::process_request(Stream &strm, Request &req, Response &res, - bool &connection_close) { - // Send request - write_request(strm, req); - - // Receive response and headers - if (!read_response_line(strm, res) || - !detail::read_headers(strm, res.headers)) { + if (!detail::write_data(strm, data.data(), data.size())) { + error_ = Error::Write; return false; } - if (res.get_header_value("Connection") == "close" || - res.version == "HTTP/1.0") { - connection_close = true; - } - // Body - if (req.method != "HEAD") { - ContentReceiver out = [&](const char *buf, size_t n) { - res.body.append(buf, n); - }; + if (req.body.empty()) { + if (req.content_provider) { + size_t offset = 0; + size_t end_offset = req.content_length; - if (res.content_receiver) { - out = [&](const char *buf, size_t n) { res.content_receiver(buf, n); }; - } + bool ok = true; - int dummy_status; - if (!detail::read_content(strm, res, std::numeric_limits::max(), - dummy_status, res.progress, out)) { - return false; + DataSink data_sink; + data_sink.write = [&](const char *d, size_t l) { + if (ok) { + if (detail::write_data(strm, d, l)) { + offset += l; + } else { + ok = false; + } + } + }; + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + + while (offset < end_offset) { + if (!req.content_provider(offset, end_offset - offset, data_sink)) { + error_ = Error::Canceled; + return false; + } + if (!ok) { + error_ = Error::Write; + return false; + } + } } + } else { + return detail::write_data(strm, req.body.data(), req.body.size()); } return true; } -inline bool Client::read_and_close_socket(socket_t sock, Request &req, - Response &res) { - return detail::read_and_close_socket( - sock, 0, - [&](Stream &strm, bool /*last_connection*/, bool &connection_close) { - return process_request(strm, req, res, connection_close); - }); -} +inline std::shared_ptr ClientImpl::send_with_content_provider( + const char *method, const char *path, const Headers &headers, + const std::string &body, size_t content_length, + ContentProvider content_provider, const char *content_type) { -inline bool Client::is_ssl() const { return false; } - -inline std::shared_ptr Client::Get(const char *path, - Progress progress) { - return Get(path, Headers(), progress); -} - -inline std::shared_ptr -Client::Get(const char *path, const Headers &headers, Progress progress) { Request req; - req.method = "GET"; + req.method = method; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; - req.headers = headers; + + if (content_type) { req.headers.emplace("Content-Type", content_type); } + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + if (compress_) { + detail::gzip_compressor compressor; + + if (content_provider) { + auto ok = true; + size_t offset = 0; + + DataSink data_sink; + data_sink.write = [&](const char *data, size_t data_len) { + if (ok) { + auto last = offset + data_len == content_length; + + auto ret = compressor.compress( + data, data_len, last, [&](const char *data, size_t data_len) { + req.body.append(data, data_len); + return true; + }); + + if (ret) { + offset += data_len; + } else { + ok = false; + } + } + }; + data_sink.is_writable = [&](void) { return ok && true; }; + + while (ok && offset < content_length) { + if (!content_provider(offset, content_length - offset, data_sink)) { + error_ = Error::Canceled; + return nullptr; + } + } + } else { + if (!compressor.compress(body.data(), body.size(), true, + [&](const char *data, size_t data_len) { + req.body.append(data, data_len); + return true; + })) { + return nullptr; + } + } + + req.headers.emplace("Content-Encoding", "gzip"); + } else +#endif + { + if (content_provider) { + req.content_length = content_length; + req.content_provider = content_provider; + } else { + req.body = body; + } + } auto res = std::make_shared(); - res->progress = progress; return send(req, *res) ? res : nullptr; } -inline std::shared_ptr Client::Get(const char *path, - ContentReceiver content_receiver, - Progress progress) { - return Get(path, Headers(), content_receiver, progress); +inline bool ClientImpl::process_request(Stream &strm, const Request &req, + Response &res, bool close_connection) { + // Send request + if (!write_request(strm, req, close_connection)) { return false; } + + // Receive response and headers + if (!read_response_line(strm, res) || + !detail::read_headers(strm, res.headers)) { + error_ = Error::Read; + return false; + } + + if (req.response_handler) { + if (!req.response_handler(res)) { + error_ = Error::Canceled; + return false; + } + } + + // Body + if (req.method != "HEAD" && req.method != "CONNECT") { + auto out = + req.content_receiver + ? static_cast([&](const char *buf, size_t n) { + auto ret = req.content_receiver(buf, n); + if (!ret) { error_ = Error::Canceled; } + return ret; + }) + : static_cast([&](const char *buf, size_t n) { + if (res.body.size() + n > res.body.max_size()) { return false; } + res.body.append(buf, n); + return true; + }); + + auto progress = [&](uint64_t current, uint64_t total) { + if (!req.progress) { return true; } + auto ret = req.progress(current, total); + if (!ret) { error_ = Error::Canceled; } + return ret; + }; + + int dummy_status; + if (!detail::read_content(strm, res, (std::numeric_limits::max)(), + dummy_status, progress, out, decompress_)) { + if (error_ != Error::Canceled) { error_ = Error::Read; } + return false; + } + } + + if (res.get_header_value("Connection") == "close" || + (res.version == "HTTP/1.0" && res.reason != "Connection established")) { + stop_core(); + } + + // Log + if (logger_) { logger_(req, res); } + + return true; } -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers, - ContentReceiver content_receiver, - Progress progress) { +inline bool +ClientImpl::process_socket(Socket &socket, + std::function callback) { + return detail::process_client_socket(socket.sock, read_timeout_sec_, + read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, callback); +} + +inline bool ClientImpl::is_ssl() const { return false; } + +inline Result ClientImpl::Get(const char *path) { + return Get(path, Headers(), Progress()); +} + +inline Result ClientImpl::Get(const char *path, Progress progress) { + return Get(path, Headers(), std::move(progress)); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers) { + return Get(path, headers, Progress()); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + Progress progress) { Request req; req.method = "GET"; req.path = path; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); + req.progress = std::move(progress); auto res = std::make_shared(); - res->content_receiver = content_receiver; - res->progress = progress; - - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr Client::Head(const char *path) { +inline Result ClientImpl::Get(const char *path, + ContentReceiver content_receiver) { + return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const char *path, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, Headers(), nullptr, std::move(content_receiver), + std::move(progress)); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver) { + return Get(path, headers, nullptr, std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, headers, nullptr, std::move(content_receiver), + std::move(progress)); +} + +inline Result ClientImpl::Get(const char *path, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return Get(path, Headers(), std::move(response_handler), content_receiver, + nullptr); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return Get(path, headers, std::move(response_handler), content_receiver, + nullptr); +} + +inline Result ClientImpl::Get(const char *path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, Headers(), std::move(response_handler), content_receiver, + progress); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + Request req; + req.method = "GET"; + req.path = path; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); + req.response_handler = std::move(response_handler); + req.content_receiver = std::move(content_receiver); + req.progress = std::move(progress); + + auto res = std::make_shared(); + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; +} + +inline Result ClientImpl::Head(const char *path) { return Head(path, Headers()); } -inline std::shared_ptr Client::Head(const char *path, - const Headers &headers) { +inline Result ClientImpl::Head(const char *path, const Headers &headers) { Request req; req.method = "HEAD"; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr Client::Post(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Post(const char *path) { + return Post(path, std::string(), nullptr); +} + +inline Result ClientImpl::Post(const char *path, const std::string &body, + const char *content_type) { return Post(path, Headers(), body, content_type); } -inline std::shared_ptr Client::Post(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - Request req; - req.method = "POST"; - req.headers = headers; - req.path = path; - - req.headers.emplace("Content-Type", content_type); - req.body = body; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("POST", path, headers, body, 0, nullptr, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr Client::Post(const char *path, - const Params ¶ms) { +inline Result ClientImpl::Post(const char *path, const Params ¶ms) { return Post(path, Headers(), params); } -inline std::shared_ptr -Client::Post(const char *path, const Headers &headers, const Params ¶ms) { - std::string query; - for (auto it = params.begin(); it != params.end(); ++it) { - if (it != params.begin()) { query += "&"; } - query += it->first; - query += "="; - query += detail::encode_url(it->second); - } +inline Result ClientImpl::Post(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return Post(path, Headers(), content_length, content_provider, content_type); +} +inline Result ClientImpl::Post(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("POST", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; +} + +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const Params ¶ms) { + auto query = detail::params_to_query_str(params); return Post(path, headers, query, "application/x-www-form-urlencoded"); } -inline std::shared_ptr Client::Put(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Post(const char *path, + const MultipartFormDataItems &items) { + return Post(path, Headers(), items); +} + +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items) { + auto boundary = detail::make_multipart_data_boundary(); + + std::string body; + + for (const auto &item : items) { + body += "--" + boundary + "\r\n"; + body += "Content-Disposition: form-data; name=\"" + item.name + "\""; + if (!item.filename.empty()) { + body += "; filename=\"" + item.filename + "\""; + } + body += "\r\n"; + if (!item.content_type.empty()) { + body += "Content-Type: " + item.content_type + "\r\n"; + } + body += "\r\n"; + body += item.content + "\r\n"; + } + + body += "--" + boundary + "--\r\n"; + + std::string content_type = "multipart/form-data; boundary=" + boundary; + return Post(path, headers, body, content_type.c_str()); +} + +inline Result ClientImpl::Put(const char *path) { + return Put(path, std::string(), nullptr); +} + +inline Result ClientImpl::Put(const char *path, const std::string &body, + const char *content_type) { return Put(path, Headers(), body, content_type); } -inline std::shared_ptr Client::Put(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - Request req; - req.method = "PUT"; - req.headers = headers; - req.path = path; - - req.headers.emplace("Content-Type", content_type); - req.body = body; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; +inline Result ClientImpl::Put(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("PUT", path, headers, body, 0, nullptr, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr Client::Patch(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Put(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return Put(path, Headers(), content_length, content_provider, content_type); +} + +inline Result ClientImpl::Put(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("PUT", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; +} + +inline Result ClientImpl::Put(const char *path, const Params ¶ms) { + return Put(path, Headers(), params); +} + +inline Result ClientImpl::Put(const char *path, const Headers &headers, + const Params ¶ms) { + auto query = detail::params_to_query_str(params); + return Put(path, headers, query, "application/x-www-form-urlencoded"); +} + +inline Result ClientImpl::Patch(const char *path, const std::string &body, + const char *content_type) { return Patch(path, Headers(), body, content_type); } -inline std::shared_ptr Client::Patch(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - Request req; - req.method = "PATCH"; - req.headers = headers; - req.path = path; - - req.headers.emplace("Content-Type", content_type); - req.body = body; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; +inline Result ClientImpl::Patch(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("PATCH", path, headers, body, 0, + nullptr, content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr Client::Delete(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Patch(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return Patch(path, Headers(), content_length, content_provider, content_type); +} + +inline Result ClientImpl::Patch(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("PATCH", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; +} + +inline Result ClientImpl::Delete(const char *path) { + return Delete(path, Headers(), std::string(), nullptr); +} + +inline Result ClientImpl::Delete(const char *path, const std::string &body, + const char *content_type) { return Delete(path, Headers(), body, content_type); } -inline std::shared_ptr Client::Delete(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Delete(const char *path, const Headers &headers) { + return Delete(path, headers, std::string(), nullptr); +} + +inline Result ClientImpl::Delete(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { Request req; req.method = "DELETE"; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; if (content_type) { req.headers.emplace("Content-Type", content_type); } req.body = body; auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr Client::Options(const char *path) { +inline Result ClientImpl::Options(const char *path) { return Options(path, Headers()); } -inline std::shared_ptr Client::Options(const char *path, - const Headers &headers) { +inline Result ClientImpl::Options(const char *path, const Headers &headers) { Request req; req.method = "OPTIONS"; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; - req.headers = headers; auto res = std::make_shared(); + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; +} - return send(req, *res) ? res : nullptr; +inline size_t ClientImpl::is_socket_open() const { + std::lock_guard guard(socket_mutex_); + return socket_.is_open(); +} + +inline void ClientImpl::stop() { + stop_core(); + error_ = Error::Canceled; +} + +inline void ClientImpl::stop_core() { + std::lock_guard guard(socket_mutex_); + if (socket_.is_open()) { + detail::shutdown_socket(socket_.sock); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + close_socket(socket_, true); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } +} + +inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) { + connection_timeout_sec_ = sec; + connection_timeout_usec_ = usec; +} + +inline void ClientImpl::set_read_timeout(time_t sec, time_t usec) { + read_timeout_sec_ = sec; + read_timeout_usec_ = usec; +} + +inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; +} + +inline void ClientImpl::set_basic_auth(const char *username, + const char *password) { + basic_auth_username_ = username; + basic_auth_password_ = password; +} + +inline void ClientImpl::set_bearer_token_auth(const char *token) { + bearer_token_auth_token_ = token; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::set_digest_auth(const char *username, + const char *password) { + digest_auth_username_ = username; + digest_auth_password_ = password; +} +#endif + +inline void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; } + +inline void ClientImpl::set_follow_location(bool on) { follow_location_ = on; } + +inline void ClientImpl::set_default_headers(Headers headers) { + default_headers_ = std::move(headers); +} + +inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } + +inline void ClientImpl::set_socket_options(SocketOptions socket_options) { + socket_options_ = socket_options; +} + +inline void ClientImpl::set_compress(bool on) { compress_ = on; } + +inline void ClientImpl::set_decompress(bool on) { decompress_ = on; } + +inline void ClientImpl::set_interface(const char *intf) { interface_ = intf; } + +inline void ClientImpl::set_proxy(const char *host, int port) { + proxy_host_ = host; + proxy_port_ = port; +} + +inline void ClientImpl::set_proxy_basic_auth(const char *username, + const char *password) { + proxy_basic_auth_username_ = username; + proxy_basic_auth_password_ = password; +} + +inline void ClientImpl::set_proxy_bearer_token_auth(const char *token) { + proxy_bearer_token_auth_token_ = token; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::set_proxy_digest_auth(const char *username, + const char *password) { + proxy_digest_auth_username_ = username; + proxy_digest_auth_password_ = password; +} +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::enable_server_certificate_verification(bool enabled) { + server_certificate_verification_ = enabled; +} +#endif + +inline void ClientImpl::set_logger(Logger logger) { + logger_ = std::move(logger); } /* @@ -2394,113 +5517,178 @@ inline std::shared_ptr Client::Options(const char *path, #ifdef CPPHTTPLIB_OPENSSL_SUPPORT namespace detail { -template -inline bool -read_and_close_socket_ssl(socket_t sock, size_t keep_alive_max_count, - // TODO: OpenSSL 1.0.2 occasionally crashes... - // The upcoming 1.1.0 is going to be thread safe. - SSL_CTX *ctx, std::mutex &ctx_mutex, - U SSL_connect_or_accept, V setup, T callback) { +template +inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex, + U SSL_connect_or_accept, V setup) { SSL *ssl = nullptr; { std::lock_guard guard(ctx_mutex); ssl = SSL_new(ctx); } - if (!ssl) { - close_socket(sock); - return false; - } + if (ssl) { + auto bio = BIO_new_socket(static_cast(sock), BIO_NOCLOSE); + SSL_set_bio(ssl, bio, bio); - auto bio = BIO_new_socket(sock, BIO_NOCLOSE); - SSL_set_bio(ssl, bio, bio); - - if (!setup(ssl)) { - SSL_shutdown(ssl); - { - std::lock_guard guard(ctx_mutex); - SSL_free(ssl); - } - - close_socket(sock); - return false; - } - - bool ret = false; - - if (SSL_connect_or_accept(ssl) == 1) { - if (keep_alive_max_count > 0) { - auto count = keep_alive_max_count; - while (count > 0 && - detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0) { - SSLSocketStream strm(sock, ssl); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(ssl, strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; + if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) { + SSL_shutdown(ssl); + { + std::lock_guard guard(ctx_mutex); + SSL_free(ssl); } - } else { - SSLSocketStream strm(sock, ssl); - auto dummy_connection_close = false; - ret = callback(ssl, strm, true, dummy_connection_close); + return nullptr; } } - SSL_shutdown(ssl); - { - std::lock_guard guard(ctx_mutex); - SSL_free(ssl); + return ssl; +} + +inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, + bool process_socket_ret) { + if (process_socket_ret) { + SSL_shutdown(ssl); // shutdown only if not already closed by remote } - close_socket(sock); - - return ret; + std::lock_guard guard(ctx_mutex); + SSL_free(ssl); } +template +inline bool +process_server_socket_ssl(SSL *ssl, socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, + time_t read_timeout_sec, time_t read_timeout_usec, + time_t write_timeout_sec, time_t write_timeout_usec, + T callback) { + return process_server_socket_core( + sock, keep_alive_max_count, keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +template +inline bool +process_client_socket_ssl(SSL *ssl, socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm); +} + +#if OPENSSL_VERSION_NUMBER < 0x10100000L +static std::shared_ptr> openSSL_locks_; + +class SSLThreadLocks { +public: + SSLThreadLocks() { + openSSL_locks_ = + std::make_shared>(CRYPTO_num_locks()); + CRYPTO_set_locking_callback(locking_callback); + } + + ~SSLThreadLocks() { CRYPTO_set_locking_callback(nullptr); } + +private: + static void locking_callback(int mode, int type, const char * /*file*/, + int /*line*/) { + auto &lk = (*openSSL_locks_)[static_cast(type)]; + if (mode & CRYPTO_LOCK) { + lk.lock(); + } else { + lk.unlock(); + } + } +}; + +#endif + class SSLInit { public: SSLInit() { +#if OPENSSL_VERSION_NUMBER < 0x1010001fL SSL_load_error_strings(); SSL_library_init(); +#else + OPENSSL_init_ssl( + OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); +#endif } - ~SSLInit() { ERR_free_strings(); } + ~SSLInit() { +#if OPENSSL_VERSION_NUMBER < 0x1010001fL + ERR_free_strings(); +#endif + } + +private: +#if OPENSSL_VERSION_NUMBER < 0x10100000L + SSLThreadLocks thread_init_; +#endif }; -static SSLInit sslinit_; - -} // namespace detail - // SSL socket stream implementation -inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl) - : sock_(sock), ssl_(ssl) {} +inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) + : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec), + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec) { + { + timeval tv; + tv.tv_sec = static_cast(read_timeout_sec); + tv.tv_usec = static_cast(read_timeout_usec); + + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast(&tv), + sizeof(tv)); + } + { + timeval tv; + tv.tv_sec = static_cast(write_timeout_sec); + tv.tv_usec = static_cast(write_timeout_usec); + + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast(&tv), + sizeof(tv)); + } +} inline SSLSocketStream::~SSLSocketStream() {} -inline int SSLSocketStream::read(char *ptr, size_t size) { - if (SSL_pending(ssl_) > 0 || - detail::select_read(sock_, CPPHTTPLIB_READ_TIMEOUT_SECOND, - CPPHTTPLIB_READ_TIMEOUT_USECOND) > 0) { - return SSL_read(ssl_, ptr, size); +inline bool SSLSocketStream::is_readable() const { + return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; +} + +inline bool SSLSocketStream::is_writable() const { + return detail::select_write(sock_, write_timeout_sec_, write_timeout_usec_) > + 0; +} + +inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { + if (SSL_pending(ssl_) > 0 || is_readable()) { + return SSL_read(ssl_, ptr, static_cast(size)); } return -1; } -inline int SSLSocketStream::write(const char *ptr, size_t size) { - return SSL_write(ssl_, ptr, size); +inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { + if (is_writable()) { return SSL_write(ssl_, ptr, static_cast(size)); } + return -1; } -inline int SSLSocketStream::write(const char *ptr) { - return write(ptr, strlen(ptr)); +inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip, + int &port) const { + detail::get_remote_ip_and_port(sock_, ip, port); } -inline std::string SSLSocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); -} +static SSLInit sslinit_; + +} // namespace detail // SSL HTTP server implementation inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, @@ -2541,39 +5729,102 @@ inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, } } +inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key, + X509_STORE *client_ca_cert_store) { + ctx_ = SSL_CTX_new(SSLv23_server_method()); + + if (ctx_) { + SSL_CTX_set_options(ctx_, + SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | + SSL_OP_NO_COMPRESSION | + SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); + + if (SSL_CTX_use_certificate(ctx_, cert) != 1 || + SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } else if (client_ca_cert_store) { + + SSL_CTX_set_cert_store(ctx_, client_ca_cert_store); + + SSL_CTX_set_verify( + ctx_, + SSL_VERIFY_PEER | + SSL_VERIFY_FAIL_IF_NO_PEER_CERT, // SSL_VERIFY_CLIENT_ONCE, + nullptr); + } + } +} + inline SSLServer::~SSLServer() { if (ctx_) { SSL_CTX_free(ctx_); } } inline bool SSLServer::is_valid() const { return ctx_; } -inline bool SSLServer::read_and_close_socket(socket_t sock) { - return detail::read_and_close_socket_ssl( - sock, keep_alive_max_count_, ctx_, ctx_mutex_, SSL_accept, - [](SSL * /*ssl*/) { return true; }, - [this](SSL *ssl, Stream &strm, bool last_connection, - bool &connection_close) { - return process_request(strm, last_connection, connection_close, - [&](Request &req) { req.ssl = ssl; }); - }); +inline bool SSLServer::process_and_close_socket(socket_t sock) { + auto ssl = detail::ssl_new(sock, ctx_, ctx_mutex_, SSL_accept, + [](SSL * /*ssl*/) { return true; }); + + if (ssl) { + auto ret = detail::process_server_socket_ssl( + ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_, + read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, + [this, ssl](Stream &strm, bool close_connection, + bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, + [&](Request &req) { req.ssl = ssl; }); + }); + + detail::ssl_delete(ctx_mutex_, ssl, ret); + return ret; + } + + detail::close_socket(sock); + return false; } // SSL HTTP client implementation -inline SSLClient::SSLClient(const char *host, int port, time_t timeout_sec, - const char *client_cert_path, - const char *client_key_path) - : Client(host, port, timeout_sec) { +inline SSLClient::SSLClient(const std::string &host) + : SSLClient(host, 443, std::string(), std::string()) {} + +inline SSLClient::SSLClient(const std::string &host, int port) + : SSLClient(host, port, std::string(), std::string()) {} + +inline SSLClient::SSLClient(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : ClientImpl(host, port, client_cert_path, client_key_path) { ctx_ = SSL_CTX_new(SSLv23_client_method()); detail::split(&host_[0], &host_[host_.size()], '.', [&](const char *b, const char *e) { host_components_.emplace_back(std::string(b, e)); }); - if (client_cert_path && client_key_path) { - if (SSL_CTX_use_certificate_file(ctx_, client_cert_path, + if (!client_cert_path.empty() && !client_key_path.empty()) { + if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(), SSL_FILETYPE_PEM) != 1 || - SSL_CTX_use_PrivateKey_file(ctx_, client_key_path, SSL_FILETYPE_PEM) != - 1) { + SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(), + SSL_FILETYPE_PEM) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } + } +} + +inline SSLClient::SSLClient(const std::string &host, int port, + X509 *client_cert, EVP_PKEY *client_key) + : ClientImpl(host, port) { + ctx_ = SSL_CTX_new(SSLv23_client_method()); + + detail::split(&host_[0], &host_[host_.size()], '.', + [&](const char *b, const char *e) { + host_components_.emplace_back(std::string(b, e)); + }); + if (client_cert != nullptr && client_key != nullptr) { + if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 || + SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) { SSL_CTX_free(ctx_); ctx_ = nullptr; } @@ -2592,59 +5843,173 @@ inline void SSLClient::set_ca_cert_path(const char *ca_cert_file_path, if (ca_cert_dir_path) { ca_cert_dir_path_ = ca_cert_dir_path; } } -inline void SSLClient::enable_server_certificate_verification(bool enabled) { - server_certificate_verification_ = enabled; +inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (ca_cert_store) { ca_cert_store_ = ca_cert_store; } } inline long SSLClient::get_openssl_verify_result() const { return verify_result_; } -inline bool SSLClient::read_and_close_socket(socket_t sock, Request &req, - Response &res) { +inline SSL_CTX *SSLClient::ssl_context() const { return ctx_; } - return is_valid() && - detail::read_and_close_socket_ssl( - sock, 0, ctx_, ctx_mutex_, - [&](SSL *ssl) { - if (ca_cert_file_path_.empty()) { - SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, nullptr); - } else { - if (!SSL_CTX_load_verify_locations( - ctx_, ca_cert_file_path_.c_str(), nullptr)) { - return false; - } - SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER, nullptr); - } +inline bool SSLClient::create_and_connect_socket(Socket &socket) { + return is_valid() && ClientImpl::create_and_connect_socket(socket); +} - if (SSL_connect(ssl) != 1) { return false; } +inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, + bool &success) { + success = true; + Response res2; - if (server_certificate_verification_) { - verify_result_ = SSL_get_verify_result(ssl); + if (!detail::process_client_socket( + socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { + Request req2; + req2.method = "CONNECT"; + req2.path = host_and_port_; + return process_request(strm, req2, res2, false); + })) { + close_socket(socket, true); + success = false; + return false; + } - if (verify_result_ != X509_V_OK) { return false; } + if (res2.status == 407) { + if (!proxy_digest_auth_username_.empty() && + !proxy_digest_auth_password_.empty()) { + std::map auth; + if (detail::parse_www_authenticate(res2, auth, true)) { + Response res3; + if (!detail::process_client_socket( + socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { + Request req3; + req3.method = "CONNECT"; + req3.path = host_and_port_; + req3.headers.insert(detail::make_digest_authentication_header( + req3, auth, 1, detail::random_string(10), + proxy_digest_auth_username_, proxy_digest_auth_password_, + true)); + return process_request(strm, req3, res3, false); + })) { + close_socket(socket, true); + success = false; + return false; + } + } + } else { + res = res2; + return false; + } + } - auto server_cert = SSL_get_peer_certificate(ssl); + return true; +} - if (server_cert == nullptr) { return false; } +inline bool SSLClient::load_certs() { + bool ret = true; - if (!verify_host(server_cert)) { - X509_free(server_cert); - return false; - } - X509_free(server_cert); - } + std::call_once(initialize_cert_, [&]() { + std::lock_guard guard(ctx_mutex_); + if (!ca_cert_file_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(), + nullptr)) { + ret = false; + } + } else if (!ca_cert_dir_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, nullptr, + ca_cert_dir_path_.c_str())) { + ret = false; + } + } else if (ca_cert_store_ != nullptr) { + if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store_) { + SSL_CTX_set_cert_store(ctx_, ca_cert_store_); + } + } else { +#ifdef _WIN32 + detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); +#else + SSL_CTX_set_default_verify_paths(ctx_); +#endif + } + }); - return true; - }, - [&](SSL *ssl) { - SSL_set_tlsext_host_name(ssl, host_.c_str()); - return true; - }, - [&](SSL * /*ssl*/, Stream &strm, bool /*last_connection*/, - bool &connection_close) { - return process_request(strm, req, res, connection_close); - }); + return ret; +} + +inline bool SSLClient::initialize_ssl(Socket &socket) { + auto ssl = detail::ssl_new( + socket.sock, ctx_, ctx_mutex_, + [&](SSL *ssl) { + if (server_certificate_verification_) { + if (!load_certs()) { + error_ = Error::SSLLoadingCerts; + return false; + } + SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr); + } + + if (SSL_connect(ssl) != 1) { + error_ = Error::SSLConnection; + return false; + } + + if (server_certificate_verification_) { + verify_result_ = SSL_get_verify_result(ssl); + + if (verify_result_ != X509_V_OK) { + error_ = Error::SSLServerVerification; + return false; + } + + auto server_cert = SSL_get_peer_certificate(ssl); + + if (server_cert == nullptr) { + error_ = Error::SSLServerVerification; + return false; + } + + if (!verify_host(server_cert)) { + X509_free(server_cert); + error_ = Error::SSLServerVerification; + return false; + } + X509_free(server_cert); + } + + return true; + }, + [&](SSL *ssl) { + SSL_set_tlsext_host_name(ssl, host_.c_str()); + return true; + }); + + if (ssl) { + socket.ssl = ssl; + return true; + } + + close_socket(socket, false); + return false; +} + +inline void SSLClient::close_socket(Socket &socket, bool process_socket_ret) { + detail::close_socket(socket.sock); + socket_.sock = INVALID_SOCKET; + if (socket.ssl) { + detail::ssl_delete(ctx_mutex_, socket.ssl, process_socket_ret); + socket_.ssl = nullptr; + } +} + +inline bool +SSLClient::process_socket(Socket &socket, + std::function callback) { + assert(socket.ssl); + return detail::process_client_socket_ssl( + socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, callback); } inline bool SSLClient::is_ssl() const { return true; } @@ -2685,6 +6050,7 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { struct in_addr addr; size_t addr_len = 0; +#ifndef __MINGW32__ if (inet_pton(AF_INET6, host_.c_str(), &addr6)) { type = GEN_IPADD; addr_len = sizeof(struct in6_addr); @@ -2692,6 +6058,7 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { type = GEN_IPADD; addr_len = sizeof(struct in_addr); } +#endif auto alt_names = static_cast( X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr)); @@ -2702,7 +6069,7 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { auto count = sk_GENERAL_NAME_num(alt_names); - for (auto i = 0; i < count && !dsn_matched; i++) { + for (decltype(count) i = 0; i < count && !dsn_matched; i++) { auto val = sk_GENERAL_NAME_value(alt_names, i); if (val->type == type) { auto name = (const char *)ASN1_STRING_get0_data(val->d.ia5); @@ -2727,7 +6094,6 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { } GENERAL_NAMES_free((STACK_OF(GENERAL_NAME) *)alt_names); - return ret; } @@ -2739,7 +6105,9 @@ inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const { auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName, name, sizeof(name)); - if (name_len != -1) { return check_host_name(name, name_len); } + if (name_len != -1) { + return check_host_name(name, static_cast(name_len)); + } } return false; @@ -2774,6 +6142,329 @@ inline bool SSLClient::check_host_name(const char *pattern, } #endif +// Universal client implementation +inline Client::Client(const char *scheme_host_port) + : Client(scheme_host_port, std::string(), std::string()) {} + +inline Client::Client(const char *scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path) { + const static std::regex re(R"(^(?:([a-z]+)://)?([^:/?#]+)(?::(\d+))?)"); + + std::cmatch m; + if (std::regex_match(scheme_host_port, m, re)) { + auto scheme = m[1].str(); + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if (!scheme.empty() && (scheme != "http" && scheme != "https")) { +#else + if (!scheme.empty() && scheme != "http") { +#endif + return; + } + + auto is_ssl = scheme == "https"; + + auto host = m[2].str(); + + auto port_str = m[3].str(); + auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80); + + if (is_ssl) { +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + cli_ = std::make_shared(host.c_str(), port, client_cert_path, + client_key_path); + is_ssl_ = is_ssl; +#endif + } else { + cli_ = std::make_shared(host.c_str(), port, client_cert_path, + client_key_path); + } + } else { + cli_ = std::make_shared(scheme_host_port, 80, client_cert_path, + client_key_path); + } +} + +inline Client::Client(const std::string &host, int port) + : cli_(std::make_shared(host, port)) {} + +inline Client::Client(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : cli_(std::make_shared(host, port, client_cert_path, + client_key_path)) {} + +inline Client::~Client() {} + +inline bool Client::is_valid() const { + return cli_ != nullptr && cli_->is_valid(); +} + +inline Result Client::Get(const char *path) { return cli_->Get(path); } +inline Result Client::Get(const char *path, const Headers &headers) { + return cli_->Get(path, headers); +} +inline Result Client::Get(const char *path, Progress progress) { + return cli_->Get(path, progress); +} +inline Result Client::Get(const char *path, const Headers &headers, + Progress progress) { + return cli_->Get(path, headers, progress); +} +inline Result Client::Get(const char *path, ContentReceiver content_receiver) { + return cli_->Get(path, std::move(content_receiver)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(content_receiver)); +} +inline Result Client::Get(const char *path, ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, std::move(content_receiver), std::move(progress)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, headers, std::move(content_receiver), + std::move(progress)); +} +inline Result Client::Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver) { + return cli_->Get(path, std::move(response_handler), + std::move(content_receiver)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(response_handler), + std::move(content_receiver)); +} +inline Result Client::Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, std::move(response_handler), + std::move(content_receiver), std::move(progress)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, headers, response_handler, content_receiver, progress); +} + +inline Result Client::Head(const char *path) { return cli_->Head(path); } +inline Result Client::Head(const char *path, const Headers &headers) { + return cli_->Head(path, headers); +} + +inline Result Client::Post(const char *path) { return cli_->Post(path); } +inline Result Client::Post(const char *path, const std::string &body, + const char *content_type) { + return cli_->Post(path, body, content_type); +} +inline Result Client::Post(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Post(path, headers, body, content_type); +} +inline Result Client::Post(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Post(path, content_length, content_provider, content_type); +} +inline Result Client::Post(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Post(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Post(const char *path, const Params ¶ms) { + return cli_->Post(path, params); +} +inline Result Client::Post(const char *path, const Headers &headers, + const Params ¶ms) { + return cli_->Post(path, headers, params); +} +inline Result Client::Post(const char *path, + const MultipartFormDataItems &items) { + return cli_->Post(path, items); +} +inline Result Client::Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items) { + return cli_->Post(path, headers, items); +} +inline Result Client::Put(const char *path) { return cli_->Put(path); } +inline Result Client::Put(const char *path, const std::string &body, + const char *content_type) { + return cli_->Put(path, body, content_type); +} +inline Result Client::Put(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Put(path, headers, body, content_type); +} +inline Result Client::Put(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Put(path, content_length, content_provider, content_type); +} +inline Result Client::Put(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Put(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Put(const char *path, const Params ¶ms) { + return cli_->Put(path, params); +} +inline Result Client::Put(const char *path, const Headers &headers, + const Params ¶ms) { + return cli_->Put(path, headers, params); +} +inline Result Client::Patch(const char *path, const std::string &body, + const char *content_type) { + return cli_->Patch(path, body, content_type); +} +inline Result Client::Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Patch(path, headers, body, content_type); +} +inline Result Client::Patch(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Patch(path, content_length, content_provider, content_type); +} +inline Result Client::Patch(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Patch(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Delete(const char *path) { return cli_->Delete(path); } +inline Result Client::Delete(const char *path, const std::string &body, + const char *content_type) { + return cli_->Delete(path, body, content_type); +} +inline Result Client::Delete(const char *path, const Headers &headers) { + return cli_->Delete(path, headers); +} +inline Result Client::Delete(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + return cli_->Delete(path, headers, body, content_type); +} +inline Result Client::Options(const char *path) { return cli_->Options(path); } +inline Result Client::Options(const char *path, const Headers &headers) { + return cli_->Options(path, headers); +} + +inline bool Client::send(const Request &req, Response &res) { + return cli_->send(req, res); +} + +inline size_t Client::is_socket_open() const { return cli_->is_socket_open(); } + +inline void Client::stop() { cli_->stop(); } + +inline void Client::set_default_headers(Headers headers) { + cli_->set_default_headers(std::move(headers)); +} + +inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); } +inline void Client::set_socket_options(SocketOptions socket_options) { + cli_->set_socket_options(socket_options); +} + +inline void Client::set_connection_timeout(time_t sec, time_t usec) { + cli_->set_connection_timeout(sec, usec); +} +inline void Client::set_read_timeout(time_t sec, time_t usec) { + cli_->set_read_timeout(sec, usec); +} +inline void Client::set_write_timeout(time_t sec, time_t usec) { + cli_->set_write_timeout(sec, usec); +} + +inline void Client::set_basic_auth(const char *username, const char *password) { + cli_->set_basic_auth(username, password); +} +inline void Client::set_bearer_token_auth(const char *token) { + cli_->set_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_digest_auth(const char *username, + const char *password) { + cli_->set_digest_auth(username, password); +} +#endif + +inline void Client::set_keep_alive(bool on) { cli_->set_keep_alive(on); } +inline void Client::set_follow_location(bool on) { + cli_->set_follow_location(on); +} + +inline void Client::set_compress(bool on) { cli_->set_compress(on); } + +inline void Client::set_decompress(bool on) { cli_->set_decompress(on); } + +inline void Client::set_interface(const char *intf) { + cli_->set_interface(intf); +} + +inline void Client::set_proxy(const char *host, int port) { + cli_->set_proxy(host, port); +} +inline void Client::set_proxy_basic_auth(const char *username, + const char *password) { + cli_->set_proxy_basic_auth(username, password); +} +inline void Client::set_proxy_bearer_token_auth(const char *token) { + cli_->set_proxy_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_proxy_digest_auth(const char *username, + const char *password) { + cli_->set_proxy_digest_auth(username, password); +} +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::enable_server_certificate_verification(bool enabled) { + cli_->enable_server_certificate_verification(enabled); +} +#endif + +inline void Client::set_logger(Logger logger) { cli_->set_logger(logger); } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_ca_cert_path(const char *ca_cert_file_path, + const char *ca_cert_dir_path) { + if (is_ssl_) { + static_cast(*cli_).set_ca_cert_path(ca_cert_file_path, + ca_cert_dir_path); + } +} + +inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (is_ssl_) { + static_cast(*cli_).set_ca_cert_store(ca_cert_store); + } +} + +inline long Client::get_openssl_verify_result() const { + if (is_ssl_) { + return static_cast(*cli_).get_openssl_verify_result(); + } + return -1; // NOTE: -1 doesn't match any of X509_V_ERR_??? +} + +inline SSL_CTX *Client::ssl_context() const { + if (is_ssl_) { return static_cast(*cli_).ssl_context(); } + return nullptr; +} +#endif + +// ---------------------------------------------------------------------------- + } // namespace httplib #endif // CPPHTTPLIB_HTTPLIB_H