Added support for quoted-printable encoding to contact media.

Telegram/SourceFiles/data/data_media_types.cpp

@@ -1219,6 +1219,92 @@ std::unique_ptr<HistoryView::Media> MediaFile::createView(
 		_document);
 }
 
+SharedContact::VcardItems SharedContact::ParseVcard(const QString &data) {
+	const auto decode = [&](const QByteArray &input) -> QString {
+		auto output = QByteArray();
+		for (auto i = 0; i < input.size(); ++i) {
+			if ((input.at(i) == '=') && ((i + 2) < input.size())) {
+				const auto value = input.mid((++i)++, 2);
+				auto converted = false;
+				const auto character = char(value.toUInt(&converted, 16));
+				if (converted) {
+					output.append(character);
+				} else {
+					output.append('=');
+					output.append(value);
+				}
+			} else {
+				output.append(input.at(i));
+			}
+		}
+
+		return QString::fromUtf8(output);
+	};
+
+	using Type = SharedContact::VcardItemType;
+	auto items = SharedContact::VcardItems();
+	for (const auto &item : data.split('\n')) {
+		const auto parts = item.split(':');
+		if (parts.size() == 2) {
+			const auto &type = parts.front();
+			const auto attributes = type.split(';', Qt::SkipEmptyParts);
+
+			const auto c = Qt::CaseInsensitive;
+			auto isQuotedPrintable = false;
+			for (const auto &attribute : attributes) {
+				const auto parts = attribute.split('=', Qt::SkipEmptyParts);
+				if (parts.size() == 2) {
+					if (parts.front().startsWith("ENCODING", c)) {
+						isQuotedPrintable = parts[1].startsWith(
+							"QUOTED-PRINTABLE",
+							c);
+						break;
+					}
+				}
+			}
+
+			const auto &value = isQuotedPrintable
+				? decode(parts[1].toUtf8())
+				: parts[1];
+
+			if (type.startsWith("TEL")) {
+				const auto telType = type.contains("PREF")
+					? Type::PhoneMain
+					: type.contains("HOME")
+					? Type::PhoneHome
+					: type.contains("WORK")
+					? Type::PhoneWork
+					: (type.contains("CELL")
+						|| type.contains("MOBILE"))
+					? Type::PhoneMobile
+					: type.contains("OTHER")
+					? Type::PhoneOther
+					: Type::Phone;
+				items[telType] = value;
+			} else if (type.startsWith("EMAIL")) {
+				items[Type::Email] = value;
+			} else if (type.startsWith("URL")) {
+				items[Type::Url] = value;
+			} else if (type.startsWith("NOTE")) {
+				items[Type::Note] = value;
+			} else if (type.startsWith("ORG")) {
+				items[Type::Organization] = base::duplicate(value)
+					.replace(';', ' ')
+					.trimmed();
+			} else if (type.startsWith("ADR")) {
+				items[Type::Address] = value;
+			} else if (type.startsWith("BDAY")) {
+				items[Type::Birthday] = value;
+			} else if (type.startsWith("N")) {
+				items[Type::Name] = base::duplicate(value)
+					.replace(';', ' ')
+					.trimmed();
+			}
+		}
+	}
+	return items;
+}
+
 MediaContact::MediaContact(
 	not_null<HistoryItem*> parent,
 	UserId userId,

Telegram/SourceFiles/data/data_media_types.h

@@ -70,6 +70,8 @@ struct SharedContact final {
 	};
 
 	using VcardItems = base::flat_map<VcardItemType, QString>;
+	static VcardItems ParseVcard(const QString &);
+
 	VcardItems vcardItems;
 };
 

Telegram/SourceFiles/history/history_item.cpp

@@ -211,59 +211,13 @@ std::unique_ptr<Data::Media> HistoryItem::CreateMedia(
 		const MTPMessageMedia &media) {
 	using Result = std::unique_ptr<Data::Media>;
 	return media.match([&](const MTPDmessageMediaContact &media) -> Result {
-
-		const auto vcardItems = [&] {
-			using Type = Data::SharedContact::VcardItemType;
-			auto items = Data::SharedContact::VcardItems();
-			for (const auto &item : qs(media.vvcard()).split('\n')) {
-				const auto parts = item.split(':');
-				if (parts.size() == 2) {
-					const auto &type = parts.front();
-					const auto &value = parts[1];
-
-					if (type.startsWith("TEL")) {
-						const auto telType = type.contains("PREF")
-							? Type::PhoneMain
-							: type.contains("HOME")
-							? Type::PhoneHome
-							: type.contains("WORK")
-							? Type::PhoneWork
-							: (type.contains("CELL")
-								|| type.contains("MOBILE"))
-							? Type::PhoneMobile
-							: type.contains("OTHER")
-							? Type::PhoneOther
-							: Type::Phone;
-						items[telType] = value;
-					} else if (type.startsWith("EMAIL")) {
-						items[Type::Email] = value;
-					} else if (type.startsWith("URL")) {
-						items[Type::Url] = value;
-					} else if (type.startsWith("NOTE")) {
-						items[Type::Note] = value;
-					} else if (type.startsWith("ORG")) {
-						items[Type::Organization] = value;
-						items[Type::Organization].replace(';', ' ');
-					} else if (type.startsWith("ADR")) {
-						items[Type::Address] = value;
-					} else if (type.startsWith("BDAY")) {
-						items[Type::Birthday] = value;
-					} else if (type.startsWith("N")) {
-						items[Type::Name] = value;
-						items[Type::Name].replace(';', ' ');
-					}
-				}
-			}
-			return items;
-		}();
-
 		return std::make_unique<Data::MediaContact>(
 			item,
 			media.vuser_id().v,
 			qs(media.vfirst_name()),
 			qs(media.vlast_name()),
 			qs(media.vphone_number()),
-			vcardItems);
+			Data::SharedContact::ParseVcard(qs(media.vvcard())));
 	}, [&](const MTPDmessageMediaGeo &media) -> Result {
 		return media.vgeo().match([&](const MTPDgeoPoint &point) -> Result {
 			return std::make_unique<Data::MediaLocation>(