244 lines
7.6 KiB
C++
244 lines
7.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "core/mime_type.h"
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#include "core/utils.h"
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#include "ui/image/image_prepare.h"
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#include <QtCore/QMimeDatabase>
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#include <QtCore/QMimeData>
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#include <kurlmimedata.h>
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namespace Core {
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namespace {
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[[nodiscard]] bool IsImageFromFirefox(not_null<const QMimeData*> data) {
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// See https://bugs.telegram.org/c/6765/public
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// See https://github.com/telegramdesktop/tdesktop/issues/10564
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//
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// Usually we prefer pasting from URLs list instead of pasting from
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// image data, because sometimes a file is copied together with an
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// image data of its File Explorer thumbnail or smth like that. In
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// that case you end up sending this thumbnail instead of the file.
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//
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// But in case of "Copy Image" from Firefox on Windows we get both
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// URLs list with a file path to some Temp folder in the list and
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// the image data that was copied. The file is read slower + it may
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// have incorrect content in case the URL can't be accessed without
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// authorization. So in that case we want only image data and we
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// check for a special Firefox mime type to check for that case.
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return data->hasFormat(u"application/x-moz-nativeimage"_q)
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&& data->hasImage();
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}
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} // namespace
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MimeType::MimeType(const QMimeType &type) : _typeStruct(type) {
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}
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MimeType::MimeType(Known type) : _type(type) {
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}
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QStringList MimeType::globPatterns() const {
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switch (_type) {
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case Known::WebP: return QStringList(u"*.webp"_q);
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case Known::Tgs: return QStringList(u"*.tgs"_q);
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case Known::Tgv: return QStringList(u"*.tgv"_q);
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case Known::TDesktopTheme: return QStringList(u"*.tdesktop-theme"_q);
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case Known::TDesktopPalette: return QStringList(u"*.tdesktop-palette"_q);
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default: break;
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}
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return _typeStruct.globPatterns();
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}
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QString MimeType::filterString() const {
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switch (_type) {
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case Known::WebP: return u"WebP image (*.webp)"_q;
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case Known::Tgs: return u"Telegram sticker (*.tgs)"_q;
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case Known::Tgv: return u"Wallpaper pattern (*.tgv)"_q;
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case Known::TDesktopTheme: return u"Theme files (*.tdesktop-theme)"_q;
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case Known::TDesktopPalette: return u"Palette files (*.tdesktop-palette)"_q;
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default: break;
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}
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return _typeStruct.filterString();
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}
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QString MimeType::name() const {
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switch (_type) {
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case Known::WebP: return u"image/webp"_q;
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case Known::Tgs: return u"application/x-tgsticker"_q;
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case Known::Tgv: return u"application/x-tgwallpattern"_q;
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case Known::TDesktopTheme: return u"application/x-tdesktop-theme"_q;
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case Known::TDesktopPalette: return u"application/x-tdesktop-palette"_q;
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default: break;
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}
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return _typeStruct.name();
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}
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MimeType MimeTypeForName(const QString &mime) {
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if (mime == u"image/webp"_q) {
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return MimeType(MimeType::Known::WebP);
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} else if (mime == u"application/x-tgsticker"_q) {
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return MimeType(MimeType::Known::Tgs);
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} else if (mime == u"application/x-tgwallpattern"_q) {
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return MimeType(MimeType::Known::Tgv);
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} else if (mime == u"application/x-tdesktop-theme"_q
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|| mime == u"application/x-tgtheme-tdesktop"_q) {
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return MimeType(MimeType::Known::TDesktopTheme);
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} else if (mime == u"application/x-tdesktop-palette"_q) {
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return MimeType(MimeType::Known::TDesktopPalette);
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} else if (mime == u"audio/mpeg3"_q) {
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return MimeType(QMimeDatabase().mimeTypeForName("audio/mp3"));
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}
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return MimeType(QMimeDatabase().mimeTypeForName(mime));
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}
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MimeType MimeTypeForFile(const QFileInfo &file) {
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QString path = file.absoluteFilePath();
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if (path.endsWith(u".webp"_q, Qt::CaseInsensitive)) {
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return MimeType(MimeType::Known::WebP);
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} else if (path.endsWith(u".tgs"_q, Qt::CaseInsensitive)) {
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return MimeType(MimeType::Known::Tgs);
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} else if (path.endsWith(u".tgv"_q)) {
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return MimeType(MimeType::Known::Tgv);
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} else if (path.endsWith(u".tdesktop-theme"_q, Qt::CaseInsensitive)) {
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return MimeType(MimeType::Known::TDesktopTheme);
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} else if (path.endsWith(u".tdesktop-palette"_q, Qt::CaseInsensitive)) {
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return MimeType(MimeType::Known::TDesktopPalette);
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}
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{
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QFile f(path);
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if (f.open(QIODevice::ReadOnly)) {
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QByteArray magic = f.read(12);
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if (magic.size() >= 12) {
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if (!memcmp(magic.constData(), "RIFF", 4) && !memcmp(magic.constData() + 8, "WEBP", 4)) {
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return MimeType(MimeType::Known::WebP);
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}
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}
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f.close();
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}
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}
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return MimeType(QMimeDatabase().mimeTypeForFile(file));
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}
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MimeType MimeTypeForData(const QByteArray &data) {
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if (data.size() >= 12) {
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if (!memcmp(data.constData(), "RIFF", 4) && !memcmp(data.constData() + 8, "WEBP", 4)) {
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return MimeType(MimeType::Known::WebP);
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}
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}
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return MimeType(QMimeDatabase().mimeTypeForData(data));
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}
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bool IsMimeStickerLottie(const QString &mime) {
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return (mime == u"application/x-tgsticker"_q);
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}
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bool IsMimeStickerWebm(const QString &mime) {
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return (mime == u"video/webm"_q);
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}
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bool IsMimeStickerAnimated(const QString &mime) {
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return (mime == u"application/x-tgsticker"_q);
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}
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bool IsMimeSticker(const QString &mime) {
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return (mime == u"image/webp"_q)
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|| IsMimeStickerAnimated(mime);
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}
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bool IsMimeAcceptedForPhotoVideoAlbum(const QString &mime) {
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return (mime == u"image/jpeg"_q)
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|| (mime == u"image/png"_q)
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|| (mime == u"video/mp4"_q)
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|| (mime == u"video/quicktime"_q);
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}
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bool FileIsImage(const QString &name, const QString &mime) {
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QString lowermime = mime.toLower(), namelower = name.toLower();
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if (lowermime.startsWith(u"image/"_q)) {
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return true;
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} else if (namelower.endsWith(u".bmp"_q)
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|| namelower.endsWith(u".jpg"_q)
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|| namelower.endsWith(u".jpeg"_q)
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|| namelower.endsWith(u".gif"_q)
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|| namelower.endsWith(u".webp"_q)
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|| namelower.endsWith(u".tga"_q)
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|| namelower.endsWith(u".tiff"_q)
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|| namelower.endsWith(u".tif"_q)
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|| namelower.endsWith(u".psd"_q)
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|| namelower.endsWith(u".png"_q)) {
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return true;
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}
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return false;
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}
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std::shared_ptr<QMimeData> ShareMimeMediaData(
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not_null<const QMimeData*> original) {
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auto result = std::make_shared<QMimeData>();
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if (original->hasFormat(u"application/x-td-forward"_q)) {
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result->setData(u"application/x-td-forward"_q, "1");
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}
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if (original->hasImage()) {
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result->setImageData(original->imageData());
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}
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if (original->hasFormat(u"application/x-td-use-jpeg"_q)
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&& original->hasFormat(u"image/jpeg"_q)) {
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result->setData(u"application/x-td-use-jpeg"_q, "1");
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result->setData(u"image/jpeg"_q, original->data(u"image/jpeg"_q));
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}
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if (auto list = Core::ReadMimeUrls(original); !list.isEmpty()) {
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result->setUrls(std::move(list));
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}
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result->setText(Core::ReadMimeText(original));
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return result;
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}
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MimeImageData ReadMimeImage(not_null<const QMimeData*> data) {
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if (data->hasFormat(u"application/x-td-use-jpeg"_q)) {
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auto bytes = data->data(u"image/jpeg"_q);
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auto read = Images::Read({ .content = bytes });
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if (read.format == "jpeg" && !read.image.isNull()) {
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return {
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.image = std::move(read.image),
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.content = std::move(bytes),
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};
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}
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} else if (data->hasImage()) {
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return { .image = qvariant_cast<QImage>(data->imageData()) };
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}
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return {};
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}
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QString ReadMimeText(not_null<const QMimeData*> data) {
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return IsImageFromFirefox(data) ? QString() : data->text();
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}
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QList<QUrl> ReadMimeUrls(not_null<const QMimeData*> data) {
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return (data->hasUrls() && !IsImageFromFirefox(data))
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? KUrlMimeData::urlsFromMimeData(
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data,
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KUrlMimeData::PreferLocalUrls)
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: QList<QUrl>();
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}
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bool CanSendFiles(not_null<const QMimeData*> data) {
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if (data->hasImage()) {
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return true;
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} else if (const auto urls = ReadMimeUrls(data); !urls.empty()) {
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if (ranges::all_of(urls, &QUrl::isLocalFile)) {
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return true;
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}
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}
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return false;
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}
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} // namespace Core
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