718 lines
18 KiB
C++
718 lines
18 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 "ui/image/image_location.h"
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#include "ui/image/image.h"
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#include "platform/platform_specific.h"
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#include "storage/cache/storage_cache_types.h"
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#include "storage/serialize_common.h"
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#include "data/data_file_origin.h"
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#include "base/overload.h"
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#include "main/main_session.h"
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namespace {
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constexpr auto kDocumentBaseCacheTag = 0x0000000000010000ULL;
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constexpr auto kDocumentBaseCacheMask = 0x000000000000FF00ULL;
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constexpr auto kSerializeTypeShift = quint8(0x08);
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const auto kInMediaCacheLocation = QString("*media_cache*");
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MTPInputPeer GenerateInputPeer(
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uint64 id,
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uint64 accessHash,
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int32 inMessagePeerId,
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int32 inMessageId,
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int32 self) {
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const auto bareId = [&] {
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return peerToBareMTPInt(id);
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};
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if (inMessagePeerId > 0 && inMessageId) {
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return MTP_inputPeerUserFromMessage(
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GenerateInputPeer(id, accessHash, 0, 0, self),
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MTP_int(inMessageId),
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MTP_int(inMessagePeerId));
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} else if (inMessagePeerId < 0 && inMessageId) {
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return MTP_inputPeerChannelFromMessage(
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GenerateInputPeer(id, accessHash, 0, 0, self),
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MTP_int(inMessageId),
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MTP_int(-inMessagePeerId));
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} else if (!id) {
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return MTP_inputPeerEmpty();
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} else if (id == peerFromUser(self)) {
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return MTP_inputPeerSelf();
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} else if (peerIsUser(id)) {
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return MTP_inputPeerUser(bareId(), MTP_long(accessHash));
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} else if (peerIsChat(id)) {
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return MTP_inputPeerChat(bareId());
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} else if (peerIsChannel(id)) {
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return MTP_inputPeerChannel(bareId(), MTP_long(accessHash));
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} else {
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return MTP_inputPeerEmpty();
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}
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}
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} // namespace
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ImagePtr::ImagePtr() : _data(Image::Empty()) {
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}
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ImagePtr::ImagePtr(not_null<Image*> data) : _data(data) {
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}
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Image *ImagePtr::operator->() const {
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return _data;
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}
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Image *ImagePtr::get() const {
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return _data;
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}
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ImagePtr::operator bool() const {
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return !_data->isNull();
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}
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WebFileLocation WebFileLocation::Null;
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StorageFileLocation::StorageFileLocation(
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int32 dcId,
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int32 self,
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const MTPInputFileLocation &tl)
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: _dcId(dcId) {
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tl.match([&](const MTPDinputFileLocation &data) {
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_type = Type::Legacy;
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_volumeId = data.vvolume_id().v;
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_localId = data.vlocal_id().v;
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_accessHash = data.vsecret().v;
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_fileReference = data.vfile_reference().v;
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}, [&](const MTPDinputEncryptedFileLocation &data) {
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_type = Type::Encrypted;
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_id = data.vid().v;
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_accessHash = data.vaccess_hash().v;
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}, [&](const MTPDinputDocumentFileLocation &data) {
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_type = Type::Document;
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_id = data.vid().v;
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_accessHash = data.vaccess_hash().v;
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_fileReference = data.vfile_reference().v;
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_sizeLetter = data.vthumb_size().v.isEmpty()
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? uint8(0)
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: uint8(data.vthumb_size().v[0]);
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}, [&](const MTPDinputSecureFileLocation &data) {
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_type = Type::Secure;
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_id = data.vid().v;
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_accessHash = data.vaccess_hash().v;
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}, [&](const MTPDinputTakeoutFileLocation &data) {
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_type = Type::Takeout;
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}, [&](const MTPDinputPhotoFileLocation &data) {
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_type = Type::Photo;
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_id = data.vid().v;
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_accessHash = data.vaccess_hash().v;
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_fileReference = data.vfile_reference().v;
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_sizeLetter = data.vthumb_size().v.isEmpty()
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? char(0)
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: data.vthumb_size().v[0];
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}, [&](const MTPDinputPeerPhotoFileLocation &data) {
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_type = Type::PeerPhoto;
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const auto fillPeer = base::overload([&](
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const MTPDinputPeerEmpty &data) {
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_id = 0;
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}, [&](const MTPDinputPeerSelf & data) {
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_id = peerFromUser(self);
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}, [&](const MTPDinputPeerChat & data) {
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_id = peerFromChat(data.vchat_id());
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}, [&](const MTPDinputPeerUser & data) {
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_id = peerFromUser(data.vuser_id());
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_accessHash = data.vaccess_hash().v;
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}, [&](const MTPDinputPeerChannel & data) {
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_id = peerFromChannel(data.vchannel_id());
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_accessHash = data.vaccess_hash().v;
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});
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data.vpeer().match(fillPeer, [&](
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const MTPDinputPeerUserFromMessage &data) {
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data.vpeer().match(fillPeer, [&](auto &&) {
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// Bad data provided.
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_id = _accessHash = 0;
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});
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_inMessagePeerId = data.vuser_id().v;
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_inMessageId = data.vmsg_id().v;
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}, [&](const MTPDinputPeerChannelFromMessage &data) {
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data.vpeer().match(fillPeer, [&](auto &&) {
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// Bad data provided.
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_id = _accessHash = 0;
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});
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_inMessagePeerId = -data.vchannel_id().v;
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_inMessageId = data.vmsg_id().v;
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});
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_volumeId = data.vvolume_id().v;
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_localId = data.vlocal_id().v;
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_sizeLetter = data.is_big() ? 'c' : 'a';
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}, [&](const MTPDinputStickerSetThumb &data) {
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_type = Type::StickerSetThumb;
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data.vstickerset().match([&](const MTPDinputStickerSetEmpty &data) {
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_id = 0;
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}, [&](const MTPDinputStickerSetID &data) {
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_id = data.vid().v;
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_accessHash = data.vaccess_hash().v;
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}, [&](const MTPDinputStickerSetShortName &data) {
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Unexpected("inputStickerSetShortName in StorageFileLocation.");
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}, [&](const MTPDinputStickerSetAnimatedEmoji &data) {
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Unexpected(
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"inputStickerSetAnimatedEmoji in StorageFileLocation.");
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});
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_volumeId = data.vvolume_id().v;
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_localId = data.vlocal_id().v;
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});
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}
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StorageFileLocation StorageFileLocation::convertToModern(
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Type type,
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uint64 id,
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uint64 accessHash) const {
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Expects(_type == Type::Legacy);
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Expects(type == Type::PeerPhoto || type == Type::StickerSetThumb);
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auto result = *this;
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result._type = type;
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result._id = id;
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result._accessHash = accessHash;
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result._sizeLetter = (type == Type::PeerPhoto) ? uint8('a') : uint8(0);
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return result;
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}
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int32 StorageFileLocation::dcId() const {
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return _dcId;
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}
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uint64 StorageFileLocation::objectId() const {
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return _id;
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}
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MTPInputFileLocation StorageFileLocation::tl(int32 self) const {
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switch (_type) {
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case Type::Legacy:
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return MTP_inputFileLocation(
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MTP_long(_volumeId),
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MTP_int(_localId),
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MTP_long(_accessHash),
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MTP_bytes(_fileReference));
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case Type::Encrypted:
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return MTP_inputSecureFileLocation(
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MTP_long(_id),
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MTP_long(_accessHash));
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case Type::Document:
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return MTP_inputDocumentFileLocation(
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MTP_long(_id),
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MTP_long(_accessHash),
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MTP_bytes(_fileReference),
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MTP_string(_sizeLetter
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? std::string(1, char(_sizeLetter))
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: std::string()));
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case Type::Secure:
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return MTP_inputSecureFileLocation(
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MTP_long(_id),
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MTP_long(_accessHash));
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case Type::Takeout:
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return MTP_inputTakeoutFileLocation();
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case Type::Photo:
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return MTP_inputPhotoFileLocation(
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MTP_long(_id),
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MTP_long(_accessHash),
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MTP_bytes(_fileReference),
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MTP_string(std::string(1, char(_sizeLetter))));
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case Type::PeerPhoto:
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return MTP_inputPeerPhotoFileLocation(
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MTP_flags((_sizeLetter == 'c')
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? MTPDinputPeerPhotoFileLocation::Flag::f_big
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: MTPDinputPeerPhotoFileLocation::Flag(0)),
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GenerateInputPeer(
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_id,
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_accessHash,
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_inMessagePeerId,
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_inMessageId,
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self),
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MTP_long(_volumeId),
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MTP_int(_localId));
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case Type::StickerSetThumb:
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return MTP_inputStickerSetThumb(
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MTP_inputStickerSetID(MTP_long(_id), MTP_long(_accessHash)),
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MTP_long(_volumeId),
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MTP_int(_localId));
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}
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Unexpected("Type in StorageFileLocation::tl.");
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}
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QByteArray StorageFileLocation::serialize() const {
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auto result = QByteArray();
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result.reserve(serializeSize());
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if (valid()) {
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auto buffer = QBuffer(&result);
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buffer.open(QIODevice::WriteOnly);
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auto stream = QDataStream(&buffer);
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stream.setVersion(QDataStream::Qt_5_1);
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stream
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<< quint16(_dcId)
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<< quint8(kSerializeTypeShift | quint8(_type))
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<< quint8(_sizeLetter)
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<< qint32(_localId)
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<< quint64(_id)
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<< quint64(_accessHash)
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<< quint64(_volumeId)
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<< qint32(_inMessagePeerId)
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<< qint32(_inMessageId)
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<< _fileReference;
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}
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return result;
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}
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int StorageFileLocation::serializeSize() const {
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return valid()
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? int(sizeof(uint64) * 5 + Serialize::bytearraySize(_fileReference))
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: 0;
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}
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std::optional<StorageFileLocation> StorageFileLocation::FromSerialized(
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const QByteArray &serialized) {
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if (serialized.isEmpty()) {
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return StorageFileLocation();
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}
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quint16 dcId = 0;
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quint8 type = 0;
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quint8 sizeLetter = 0;
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qint32 localId = 0;
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quint64 id = 0;
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quint64 accessHash = 0;
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quint64 volumeId = 0;
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qint32 inMessagePeerId = 0;
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qint32 inMessageId = 0;
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QByteArray fileReference;
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auto stream = QDataStream(serialized);
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stream.setVersion(QDataStream::Qt_5_1);
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stream
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>> dcId
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>> type
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>> sizeLetter
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>> localId
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>> id
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>> accessHash
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>> volumeId;
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if (type & kSerializeTypeShift) {
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type &= ~kSerializeTypeShift;
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stream >> inMessagePeerId >> inMessageId;
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}
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stream >> fileReference;
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auto result = StorageFileLocation();
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result._dcId = dcId;
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result._type = Type(type);
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result._sizeLetter = sizeLetter;
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result._localId = localId;
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result._id = id;
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result._accessHash = accessHash;
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result._volumeId = volumeId;
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result._inMessagePeerId = inMessagePeerId;
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result._inMessageId = inMessageId;
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result._fileReference = fileReference;
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return (stream.status() == QDataStream::Ok && result.valid())
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? std::make_optional(result)
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: std::nullopt;
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}
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StorageFileLocation::Type StorageFileLocation::type() const {
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return _type;
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}
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bool StorageFileLocation::valid() const {
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switch (_type) {
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case Type::Legacy:
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return (_dcId != 0) && (_volumeId != 0) && (_localId != 0);
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case Type::Encrypted:
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case Type::Secure:
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case Type::Document:
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return (_dcId != 0) && (_id != 0);
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case Type::Photo:
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return (_dcId != 0) && (_id != 0) && (_sizeLetter != 0);
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case Type::Takeout:
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return true;
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case Type::PeerPhoto:
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case Type::StickerSetThumb:
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return (_dcId != 0) && (_id != 0);
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}
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return false;
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}
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bool StorageFileLocation::isDocumentThumbnail() const {
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return (_type == Type::Document) && (_sizeLetter != 0);
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}
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Storage::Cache::Key StorageFileLocation::cacheKey() const {
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using Key = Storage::Cache::Key;
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// Skip '1' for legacy document cache keys.
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// Skip '2' because it is used for good (fullsize) document thumbnails.
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const auto shifted = ((uint64(_type) + 3) << 8);
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const auto sliced = uint64(_dcId) & 0xFFULL;
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switch (_type) {
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case Type::Legacy:
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case Type::PeerPhoto:
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case Type::StickerSetThumb:
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return Key{
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shifted | sliced | (uint64(uint32(_localId)) << 16),
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_volumeId };
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case Type::Encrypted:
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case Type::Secure:
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return Key{ shifted | sliced, _id };
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case Type::Document:
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// Keep old cache keys for documents.
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if (_sizeLetter == 0) {
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return Data::DocumentCacheKey(_dcId, _id);
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//return Key{ 0x100ULL | sliced, _id };
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}
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[[fallthrough]];
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case Type::Photo:
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return Key{ shifted | sliced | (uint64(_sizeLetter) << 16), _id };
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case Type::Takeout:
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return Key{ shifted, 0 };
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}
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return Key();
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}
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Storage::Cache::Key StorageFileLocation::bigFileBaseCacheKey() const {
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// Skip '1' and '2' for legacy document cache keys.
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const auto shifted = ((uint64(_type) + 3) << 8);
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const auto sliced = uint64(_dcId) & 0xFFULL;
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switch (_type) {
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case Type::Document: {
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const auto high = kDocumentBaseCacheTag
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| ((uint64(_dcId) << 16) & kDocumentBaseCacheMask)
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| (_id >> 48);
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const auto low = (_id << 16);
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Ensures((low & 0xFFULL) == 0);
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return Storage::Cache::Key{ high, low };
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}
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case Type::StickerSetThumb: {
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const auto high = (uint64(uint32(_localId)) << 24)
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| ((uint64(_type) + 1) << 16)
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| ((uint64(_dcId) & 0xFFULL) << 8)
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| (_volumeId >> 56);
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const auto low = (_volumeId << 8);
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return Storage::Cache::Key{ high, low };
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}
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case Type::Legacy:
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case Type::PeerPhoto:
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case Type::Encrypted:
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case Type::Secure:
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case Type::Photo:
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case Type::Takeout:
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Unexpected("Not implemented file location type.");
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};
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Unexpected("Invalid file location type.");
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}
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QByteArray StorageFileLocation::fileReference() const {
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return _fileReference;
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}
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bool StorageFileLocation::refreshFileReference(
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const Data::UpdatedFileReferences &updates) {
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const auto i = (_type == Type::Document)
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? updates.data.find(Data::DocumentFileLocationId{ _id })
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: (_type == Type::Photo)
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? updates.data.find(Data::PhotoFileLocationId{ _id })
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: end(updates.data);
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return (i != end(updates.data))
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? refreshFileReference(i->second)
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: false;
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}
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bool StorageFileLocation::refreshFileReference(const QByteArray &data) {
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if (data.isEmpty() || _fileReference == data) {
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return false;
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}
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_fileReference = data;
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return true;
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}
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const StorageFileLocation &StorageFileLocation::Invalid() {
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static auto result = StorageFileLocation();
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return result;
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}
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bool operator==(const StorageFileLocation &a, const StorageFileLocation &b) {
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const auto valid = a.valid();
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if (valid != b.valid()) {
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return false;
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} else if (!valid) {
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return true;
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}
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const auto type = a._type;
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if (type != b._type) {
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return false;
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}
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using Type = StorageFileLocation::Type;
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switch (type) {
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case Type::Legacy:
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return (a._dcId == b._dcId)
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&& (a._volumeId == b._volumeId)
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&& (a._localId == b._localId);
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case Type::Encrypted:
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case Type::Secure:
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return (a._dcId == b._dcId) && (a._id == b._id);
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case Type::Photo:
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case Type::Document:
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return (a._dcId == b._dcId)
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&& (a._id == b._id)
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&& (a._sizeLetter == b._sizeLetter);
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case Type::Takeout:
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return true;
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case Type::PeerPhoto:
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return (a._dcId == b._dcId)
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&& (a._volumeId == b._volumeId)
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&& (a._localId == b._localId)
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&& (a._id == b._id)
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&& (a._sizeLetter == b._sizeLetter);
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case Type::StickerSetThumb:
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return (a._dcId == b._dcId)
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&& (a._volumeId == b._volumeId)
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&& (a._localId == b._localId)
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&& (a._id == b._id);
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};
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Unexpected("Type in StorageFileLocation::operator==.");
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}
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bool operator<(const StorageFileLocation &a, const StorageFileLocation &b) {
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const auto valid = a.valid();
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if (valid != b.valid()) {
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return !valid;
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} else if (!valid) {
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return false;
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}
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const auto type = a._type;
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if (type != b._type) {
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return (type < b._type);
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}
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using Type = StorageFileLocation::Type;
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switch (type) {
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case Type::Legacy:
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return std::tie(a._localId, a._volumeId, a._dcId)
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< std::tie(b._localId, b._volumeId, b._dcId);
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|
|
case Type::Encrypted:
|
|
case Type::Secure:
|
|
return std::tie(a._id, a._dcId) < std::tie(b._id, b._dcId);
|
|
|
|
case Type::Photo:
|
|
case Type::Document:
|
|
return std::tie(a._id, a._dcId, a._sizeLetter)
|
|
< std::tie(b._id, b._dcId, b._sizeLetter);
|
|
|
|
case Type::Takeout:
|
|
return false;
|
|
|
|
case Type::PeerPhoto:
|
|
return std::tie(
|
|
a._id,
|
|
a._sizeLetter,
|
|
a._localId,
|
|
a._volumeId,
|
|
a._dcId)
|
|
< std::tie(
|
|
b._id,
|
|
b._sizeLetter,
|
|
b._localId,
|
|
b._volumeId,
|
|
b._dcId);
|
|
|
|
case Type::StickerSetThumb:
|
|
return std::tie(a._id, a._localId, a._volumeId, a._dcId)
|
|
< std::tie(b._id, b._localId, b._volumeId, b._dcId);
|
|
};
|
|
Unexpected("Type in StorageFileLocation::operator==.");
|
|
}
|
|
|
|
InMemoryKey inMemoryKey(const StorageFileLocation &location) {
|
|
const auto key = location.cacheKey();
|
|
return { key.high, key.low };
|
|
}
|
|
|
|
StorageImageLocation::StorageImageLocation(
|
|
const StorageFileLocation &file,
|
|
int width,
|
|
int height)
|
|
: _file(file)
|
|
, _width(width)
|
|
, _height(height) {
|
|
}
|
|
|
|
QByteArray StorageImageLocation::serialize() const {
|
|
auto result = _file.serialize();
|
|
if (!result.isEmpty() || (_width > 0) || (_height > 0)) {
|
|
result.reserve(result.size() + 2 * sizeof(qint32));
|
|
auto buffer = QBuffer(&result);
|
|
buffer.open(QIODevice::Append);
|
|
auto stream = QDataStream(&buffer);
|
|
stream.setVersion(QDataStream::Qt_5_1);
|
|
stream << qint32(_width) << qint32(_height);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int StorageImageLocation::serializeSize() const {
|
|
const auto partial = _file.serializeSize();
|
|
return (partial > 0 || _width > 0 || _height > 0)
|
|
? (partial + 2 * sizeof(qint32))
|
|
: 0;
|
|
}
|
|
|
|
std::optional<StorageImageLocation> StorageImageLocation::FromSerialized(
|
|
const QByteArray &serialized) {
|
|
if (const auto file = StorageFileLocation::FromSerialized(serialized)) {
|
|
const auto my = 2 * sizeof(qint32);
|
|
const auto full = serialized.size();
|
|
if (!full) {
|
|
return StorageImageLocation(*file, 0, 0);
|
|
} else if (full >= my) {
|
|
qint32 width = 0;
|
|
qint32 height = 0;
|
|
|
|
const auto dimensions = QByteArray::fromRawData(
|
|
serialized.data() + full - my, my);
|
|
auto stream = QDataStream(dimensions);
|
|
stream.setVersion(QDataStream::Qt_5_1);
|
|
stream >> width >> height;
|
|
|
|
return (stream.status() == QDataStream::Ok)
|
|
? StorageImageLocation(*file, width, height)
|
|
: std::optional<StorageImageLocation>();
|
|
}
|
|
}
|
|
return std::nullopt;
|
|
}
|
|
|
|
ReadAccessEnabler::ReadAccessEnabler(const PsFileBookmark *bookmark)
|
|
: _bookmark(bookmark)
|
|
, _failed(_bookmark ? !_bookmark->enable() : false) {
|
|
}
|
|
|
|
ReadAccessEnabler::ReadAccessEnabler(
|
|
const std::shared_ptr<PsFileBookmark> &bookmark)
|
|
: _bookmark(bookmark.get())
|
|
, _failed(_bookmark ? !_bookmark->enable() : false) {
|
|
}
|
|
|
|
ReadAccessEnabler::~ReadAccessEnabler() {
|
|
if (_bookmark && !_failed) _bookmark->disable();
|
|
}
|
|
|
|
FileLocation::FileLocation(const QString &name) : fname(name) {
|
|
if (fname.isEmpty() || fname == kInMediaCacheLocation) {
|
|
size = 0;
|
|
} else {
|
|
setBookmark(psPathBookmark(name));
|
|
|
|
QFileInfo f(name);
|
|
if (f.exists()) {
|
|
qint64 s = f.size();
|
|
if (s > INT_MAX) {
|
|
fname = QString();
|
|
_bookmark = nullptr;
|
|
size = 0;
|
|
} else {
|
|
modified = f.lastModified();
|
|
size = qint32(s);
|
|
}
|
|
} else {
|
|
fname = QString();
|
|
_bookmark = nullptr;
|
|
size = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
FileLocation FileLocation::InMediaCacheLocation() {
|
|
return FileLocation(kInMediaCacheLocation);
|
|
}
|
|
|
|
bool FileLocation::check() const {
|
|
if (fname.isEmpty() || fname == kInMediaCacheLocation) {
|
|
return false;
|
|
}
|
|
|
|
ReadAccessEnabler enabler(_bookmark);
|
|
if (enabler.failed()) {
|
|
const_cast<FileLocation*>(this)->_bookmark = nullptr;
|
|
}
|
|
|
|
QFileInfo f(name());
|
|
if (!f.isReadable()) return false;
|
|
|
|
quint64 s = f.size();
|
|
if (s > INT_MAX) {
|
|
DEBUG_LOG(("File location check: Wrong size %1").arg(s));
|
|
return false;
|
|
}
|
|
|
|
if (qint32(s) != size) {
|
|
DEBUG_LOG(("File location check: Wrong size %1 when should be %2").arg(s).arg(size));
|
|
return false;
|
|
}
|
|
auto realModified = f.lastModified();
|
|
if (realModified != modified) {
|
|
DEBUG_LOG(("File location check: Wrong last modified time %1 when should be %2").arg(realModified.toMSecsSinceEpoch()).arg(modified.toMSecsSinceEpoch()));
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
const QString &FileLocation::name() const {
|
|
return _bookmark ? _bookmark->name(fname) : fname;
|
|
}
|
|
|
|
QByteArray FileLocation::bookmark() const {
|
|
return _bookmark ? _bookmark->bookmark() : QByteArray();
|
|
}
|
|
|
|
bool FileLocation::inMediaCache() const {
|
|
return (fname == kInMediaCacheLocation);
|
|
}
|
|
|
|
void FileLocation::setBookmark(const QByteArray &bm) {
|
|
_bookmark.reset(bm.isEmpty() ? nullptr : new PsFileBookmark(bm));
|
|
}
|
|
|
|
bool FileLocation::accessEnable() const {
|
|
return isEmpty() ? false : (_bookmark ? _bookmark->enable() : true);
|
|
}
|
|
|
|
void FileLocation::accessDisable() const {
|
|
return _bookmark ? _bookmark->disable() : (void)0;
|
|
}
|