diff options
Diffstat (limited to 'libs/tdlib/td/td/telegram/Photo.cpp')
| -rw-r--r-- | libs/tdlib/td/td/telegram/Photo.cpp | 604 |
1 files changed, 604 insertions, 0 deletions
diff --git a/libs/tdlib/td/td/telegram/Photo.cpp b/libs/tdlib/td/td/telegram/Photo.cpp new file mode 100644 index 0000000000..f08007a87a --- /dev/null +++ b/libs/tdlib/td/td/telegram/Photo.cpp @@ -0,0 +1,604 @@ +// +// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018 +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// +#include "td/telegram/Photo.h" + +#include "td/telegram/secret_api.h" +#include "td/telegram/telegram_api.h" + +#include "td/telegram/files/FileManager.h" +#include "td/telegram/Global.h" + +#include "td/utils/common.h" +#include "td/utils/format.h" +#include "td/utils/HttpUrl.h" +#include "td/utils/logging.h" +#include "td/utils/misc.h" +#include "td/utils/Random.h" + +#include <algorithm> +#include <limits> + +namespace td { + +static uint16 get_dimension(int32 size) { + if (size < 0 || size > 65535) { + LOG(ERROR) << "Wrong image dimension = " << size; + return 0; + } + return narrow_cast<uint16>(size); +} + +Dimensions get_dimensions(int32 width, int32 height) { + Dimensions result; + result.width = get_dimension(width); + result.height = get_dimension(height); + if (result.width == 0 || result.height == 0) { + result.width = 0; + result.height = 0; + } + return result; +} + +bool operator==(const Dimensions &lhs, const Dimensions &rhs) { + return lhs.width == rhs.width && lhs.height == rhs.height; +} + +bool operator!=(const Dimensions &lhs, const Dimensions &rhs) { + return !(lhs == rhs); +} + +StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions) { + return string_builder << "(" << dimensions.width << ", " << dimensions.height << ")"; +} + +static FileId register_photo(FileManager *file_manager, FileType file_type, int64 id, int64 access_hash, + tl_object_ptr<telegram_api::FileLocation> &&location_ptr, DialogId owner_dialog_id, + int32 file_size) { + int32 location_id = location_ptr->get_id(); + DcId dc_id; + int32 local_id; + int64 volume_id; + int64 secret; + switch (location_id) { + case telegram_api::fileLocationUnavailable::ID: { + auto location = move_tl_object_as<telegram_api::fileLocationUnavailable>(location_ptr); + dc_id = DcId::invalid(); + local_id = location->local_id_; + volume_id = location->volume_id_; + secret = location->secret_; + break; + } + case telegram_api::fileLocation::ID: { + auto location = move_tl_object_as<telegram_api::fileLocation>(location_ptr); + if (!DcId::is_valid(location->dc_id_)) { + dc_id = DcId::invalid(); + } else { + dc_id = DcId::internal(location->dc_id_); + } + local_id = location->local_id_; + volume_id = location->volume_id_; + secret = location->secret_; + break; + } + default: + UNREACHABLE(); + break; + } + + LOG(DEBUG) << "Receive photo of type " << static_cast<int8>(file_type) << " in [" << dc_id << "," << volume_id << "," + << local_id << "]. Id: (" << id << ", " << access_hash << ")"; + auto suggested_name = PSTRING() << static_cast<uint64>(volume_id) << "_" << static_cast<uint64>(local_id) << ".jpg"; + return file_manager->register_remote( + FullRemoteFileLocation(file_type, id, access_hash, local_id, volume_id, secret, dc_id), + FileLocationSource::FromServer, owner_dialog_id, file_size, 0, std::move(suggested_name)); +} + +ProfilePhoto get_profile_photo(FileManager *file_manager, + tl_object_ptr<telegram_api::UserProfilePhoto> &&profile_photo_ptr) { + ProfilePhoto result; + int32 profile_photo_id = + profile_photo_ptr == nullptr ? telegram_api::userProfilePhotoEmpty::ID : profile_photo_ptr->get_id(); + switch (profile_photo_id) { + case telegram_api::userProfilePhotoEmpty::ID: + break; + case telegram_api::userProfilePhoto::ID: { + auto profile_photo = move_tl_object_as<telegram_api::userProfilePhoto>(profile_photo_ptr); + + result.id = profile_photo->photo_id_; + result.small_file_id = register_photo(file_manager, FileType::ProfilePhoto, result.id, 0, + std::move(profile_photo->photo_small_), DialogId(), 0); + result.big_file_id = register_photo(file_manager, FileType::ProfilePhoto, result.id, 0, + std::move(profile_photo->photo_big_), DialogId(), 0); + break; + } + default: + UNREACHABLE(); + break; + } + + return result; +} + +tl_object_ptr<td_api::profilePhoto> get_profile_photo_object(FileManager *file_manager, + const ProfilePhoto *profile_photo) { + if (profile_photo == nullptr || !profile_photo->small_file_id.is_valid()) { + return nullptr; + } + return make_tl_object<td_api::profilePhoto>(profile_photo->id, + file_manager->get_file_object(profile_photo->small_file_id), + file_manager->get_file_object(profile_photo->big_file_id)); +} + +bool operator==(const ProfilePhoto &lhs, const ProfilePhoto &rhs) { + bool location_differs = lhs.small_file_id != rhs.small_file_id || lhs.big_file_id != rhs.big_file_id; + bool id_differs; + if (lhs.id == -1 && rhs.id == -1) { + // group chat photo + id_differs = location_differs; + } else { + id_differs = lhs.id != rhs.id; + } + + if (location_differs) { + LOG_IF(ERROR, !id_differs) << "location_differs = true, but id_differs = false. First profilePhoto: " << lhs + << ", second profilePhoto: " << rhs; + return false; + } + return true; +} + +bool operator!=(const ProfilePhoto &lhs, const ProfilePhoto &rhs) { + return !(lhs == rhs); +} + +StringBuilder &operator<<(StringBuilder &string_builder, const ProfilePhoto &profile_photo) { + return string_builder << "<id = " << profile_photo.id << ", small_file_id = " << profile_photo.small_file_id + << ", big_file_id = " << profile_photo.big_file_id << ">"; +} + +DialogPhoto get_dialog_photo(FileManager *file_manager, tl_object_ptr<telegram_api::ChatPhoto> &&chat_photo_ptr) { + int32 chat_photo_id = chat_photo_ptr == nullptr ? telegram_api::chatPhotoEmpty::ID : chat_photo_ptr->get_id(); + + DialogPhoto result; + switch (chat_photo_id) { + case telegram_api::chatPhotoEmpty::ID: + break; + case telegram_api::chatPhoto::ID: { + auto chat_photo = move_tl_object_as<telegram_api::chatPhoto>(chat_photo_ptr); + + result.small_file_id = register_photo(file_manager, FileType::ProfilePhoto, 0, 0, + std::move(chat_photo->photo_small_), DialogId(), 0); + result.big_file_id = + register_photo(file_manager, FileType::ProfilePhoto, 0, 0, std::move(chat_photo->photo_big_), DialogId(), 0); + + break; + } + default: + UNREACHABLE(); + break; + } + + return result; +} + +tl_object_ptr<td_api::chatPhoto> get_chat_photo_object(FileManager *file_manager, const DialogPhoto *dialog_photo) { + if (dialog_photo == nullptr || !dialog_photo->small_file_id.is_valid()) { + return nullptr; + } + return make_tl_object<td_api::chatPhoto>(file_manager->get_file_object(dialog_photo->small_file_id), + file_manager->get_file_object(dialog_photo->big_file_id)); +} + +bool operator==(const DialogPhoto &lhs, const DialogPhoto &rhs) { + return lhs.small_file_id == rhs.small_file_id && lhs.big_file_id == rhs.big_file_id; +} + +bool operator!=(const DialogPhoto &lhs, const DialogPhoto &rhs) { + return !(lhs == rhs); +} + +StringBuilder &operator<<(StringBuilder &string_builder, const DialogPhoto &dialog_photo) { + return string_builder << "<small_file_id = " << dialog_photo.small_file_id + << ", big_file_id = " << dialog_photo.big_file_id << ">"; +} + +PhotoSize get_thumbnail_photo_size(FileManager *file_manager, BufferSlice bytes, DialogId owner_dialog_id, int32 width, + int32 height) { + if (bytes.empty()) { + return PhotoSize(); + } + PhotoSize res; + res.type = 't'; + res.dimensions = get_dimensions(width, height); + res.size = narrow_cast<int32>(bytes.size()); + + // generate some random remote location to save + auto dc_id = DcId::invalid(); + auto local_id = Random::secure_int32(); + auto volume_id = Random::secure_int64(); + auto secret = 0; + res.file_id = file_manager->register_remote( + FullRemoteFileLocation(FileType::EncryptedThumbnail, 0, 0, local_id, volume_id, secret, dc_id), + FileLocationSource::FromServer, owner_dialog_id, res.size, 0, + PSTRING() << static_cast<uint64>(volume_id) << "_" << static_cast<uint64>(local_id) << ".jpg"); + file_manager->set_content(res.file_id, std::move(bytes)); + + return res; +} + +PhotoSize get_photo_size(FileManager *file_manager, FileType file_type, int64 id, int64 access_hash, + DialogId owner_dialog_id, tl_object_ptr<telegram_api::PhotoSize> &&size_ptr) { + tl_object_ptr<telegram_api::FileLocation> location_ptr; + string type; + + PhotoSize res; + BufferSlice content; + + int32 size_id = size_ptr->get_id(); + switch (size_id) { + case telegram_api::photoSizeEmpty::ID: + return res; + case telegram_api::photoSize::ID: { + auto size = move_tl_object_as<telegram_api::photoSize>(size_ptr); + + type = std::move(size->type_); + location_ptr = std::move(size->location_); + res.dimensions = get_dimensions(size->w_, size->h_); + res.size = size->size_; + + break; + } + case telegram_api::photoCachedSize::ID: { + auto size = move_tl_object_as<telegram_api::photoCachedSize>(size_ptr); + + type = std::move(size->type_); + location_ptr = std::move(size->location_); + CHECK(size->bytes_.size() <= static_cast<size_t>(std::numeric_limits<int32>::max())); + res.dimensions = get_dimensions(size->w_, size->h_); + res.size = static_cast<int32>(size->bytes_.size()); + + content = std::move(size->bytes_); + + break; + } + + default: + UNREACHABLE(); + break; + } + + res.file_id = + register_photo(file_manager, file_type, id, access_hash, std::move(location_ptr), owner_dialog_id, res.size); + + if (!content.empty()) { + file_manager->set_content(res.file_id, std::move(content)); + } + + if (type.size() != 1) { + res.type = 0; + LOG(ERROR) << "Wrong photoSize " << res; + } else { + res.type = static_cast<int32>(type[0]); + } + + return res; +} + +PhotoSize get_web_document_photo_size(FileManager *file_manager, FileType file_type, DialogId owner_dialog_id, + tl_object_ptr<telegram_api::WebDocument> web_document_ptr) { + if (web_document_ptr == nullptr) { + return {}; + } + + FileId file_id; + vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes; + int32 size = 0; + switch (web_document_ptr->get_id()) { + case telegram_api::webDocument::ID: { + auto web_document = move_tl_object_as<telegram_api::webDocument>(web_document_ptr); + if (!DcId::is_valid(web_document->dc_id_)) { + LOG(ERROR) << "Wrong dc_id = " << web_document->dc_id_; + return {}; + } + + auto r_http_url = parse_url(web_document->url_); + if (r_http_url.is_error()) { + LOG(ERROR) << "Can't parse URL " << web_document->url_; + return {}; + } + auto http_url = r_http_url.move_as_ok(); + auto url = http_url.get_url(); + file_id = file_manager->register_remote( + FullRemoteFileLocation(file_type, url, web_document->access_hash_, DcId::internal(web_document->dc_id_)), + FileLocationSource::FromServer, owner_dialog_id, 0, web_document->size_, + get_url_query_file_name(http_url.query_)); + + size = web_document->size_; + attributes = std::move(web_document->attributes_); + break; + } + case telegram_api::webDocumentNoProxy::ID: { + auto web_document = move_tl_object_as<telegram_api::webDocumentNoProxy>(web_document_ptr); + if (web_document->url_.find('.') == string::npos) { + LOG(ERROR) << "Receive invalid URL " << web_document->url_; + return {}; + } + + auto r_file_id = file_manager->from_persistent_id(web_document->url_, file_type); + if (r_file_id.is_error()) { + LOG(ERROR) << "Can't register URL: " << r_file_id.error(); + return {}; + } + file_id = r_file_id.move_as_ok(); + + size = web_document->size_; + attributes = std::move(web_document->attributes_); + break; + } + default: + UNREACHABLE(); + } + CHECK(file_id.is_valid()); + + Dimensions dimensions; + for (auto &attribute : attributes) { + switch (attribute->get_id()) { + case telegram_api::documentAttributeImageSize::ID: { + auto image_size = move_tl_object_as<telegram_api::documentAttributeImageSize>(attribute); + dimensions = get_dimensions(image_size->w_, image_size->h_); + break; + } + case telegram_api::documentAttributeAnimated::ID: + case telegram_api::documentAttributeHasStickers::ID: + case telegram_api::documentAttributeSticker::ID: + case telegram_api::documentAttributeVideo::ID: + case telegram_api::documentAttributeAudio::ID: + LOG(ERROR) << "Unexpected web document attribute " << to_string(attribute); + break; + case telegram_api::documentAttributeFilename::ID: + break; + default: + UNREACHABLE(); + } + } + + PhotoSize s; + s.type = file_type == FileType::Thumbnail ? 't' : 'u'; + s.dimensions = dimensions; + s.size = size; + s.file_id = file_id; + return s; +} + +tl_object_ptr<td_api::photoSize> get_photo_size_object(FileManager *file_manager, const PhotoSize *photo_size) { + if (photo_size == nullptr || !photo_size->file_id.is_valid()) { + return nullptr; + } + + return make_tl_object<td_api::photoSize>( + photo_size->type ? std::string(1, static_cast<char>(photo_size->type)) + : std::string(), // TODO replace string type with integer type + file_manager->get_file_object(photo_size->file_id), photo_size->dimensions.width, photo_size->dimensions.height); +} + +void sort_photo_sizes(vector<td_api::object_ptr<td_api::photoSize>> &sizes) { + std::sort(sizes.begin(), sizes.end(), [](const auto &lhs, const auto &rhs) { + if (lhs->photo_->expected_size_ != rhs->photo_->expected_size_) { + return lhs->photo_->expected_size_ < rhs->photo_->expected_size_; + } + return lhs->width_ * lhs->height_ < rhs->width_ * rhs->height_; + }); +} + +bool operator==(const PhotoSize &lhs, const PhotoSize &rhs) { + return lhs.type == rhs.type && lhs.dimensions == rhs.dimensions && lhs.size == rhs.size && lhs.file_id == rhs.file_id; +} + +bool operator!=(const PhotoSize &lhs, const PhotoSize &rhs) { + return !(lhs == rhs); +} + +StringBuilder &operator<<(StringBuilder &string_builder, const PhotoSize &photo_size) { + return string_builder << "{type = " << photo_size.type << ", dimensions = " << photo_size.dimensions + << ", size = " << photo_size.size << ", file_id = " << photo_size.file_id << "}"; +} + +Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::encryptedFile> &&file, + tl_object_ptr<secret_api::decryptedMessageMediaPhoto> &&photo, DialogId owner_dialog_id) { + CHECK(DcId::is_valid(file->dc_id_)); + FileId file_id = file_manager->register_remote( + FullRemoteFileLocation(FileType::Encrypted, file->id_, file->access_hash_, DcId::internal(file->dc_id_)), + FileLocationSource::FromServer, owner_dialog_id, photo->size_, 0, + PSTRING() << static_cast<uint64>(file->id_) << ".jpg"); + file_manager->set_encryption_key(file_id, FileEncryptionKey{photo->key_.as_slice(), photo->iv_.as_slice()}); + + Photo res; + res.date = 0; + + if (!photo->thumb_.empty()) { + res.photos.push_back(get_thumbnail_photo_size(file_manager, std::move(photo->thumb_), owner_dialog_id, + photo->thumb_w_, photo->thumb_h_)); + } + + PhotoSize s; + s.type = 'i'; + s.dimensions = get_dimensions(photo->w_, photo->h_); + s.size = photo->size_; + s.file_id = file_id; + res.photos.push_back(s); + + return res; +} + +Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::photo> &&photo, DialogId owner_dialog_id) { + Photo res; + + res.id = photo->id_; + res.date = photo->date_; + res.has_stickers = (photo->flags_ & telegram_api::photo::HAS_STICKERS_MASK) != 0; + + for (auto &size_ptr : photo->sizes_) { + res.photos.push_back(get_photo_size(file_manager, FileType::Photo, photo->id_, photo->access_hash_, owner_dialog_id, + std::move(size_ptr))); + } + + return res; +} + +tl_object_ptr<td_api::photo> get_photo_object(FileManager *file_manager, const Photo *photo) { + if (photo == nullptr || photo->id == -2) { + return nullptr; + } + + vector<td_api::object_ptr<td_api::photoSize>> photos; + for (auto &photo_size : photo->photos) { + photos.push_back(get_photo_size_object(file_manager, &photo_size)); + } + sort_photo_sizes(photos); + return make_tl_object<td_api::photo>(photo->id, photo->has_stickers, std::move(photos)); +} + +void photo_delete_thumbnail(Photo &photo) { + for (size_t i = 0; i < photo.photos.size(); i++) { + if (photo.photos[i].type == 't') { + photo.photos.erase(photo.photos.begin() + i); + } + } +} + +bool photo_has_input_media(FileManager *file_manager, const Photo &photo, bool is_secret) { + if (photo.photos.empty() || photo.photos.back().type != 'i') { + LOG(ERROR) << "Wrong photo: " << photo; + return false; + } + auto file_id = photo.photos.back().file_id; + auto file_view = file_manager->get_file_view(file_id); + if (is_secret) { + if (file_view.encryption_key().empty() || !file_view.has_remote_location()) { + return false; + } + + for (const auto &size : photo.photos) { + if (size.type == 't' && size.file_id.is_valid()) { + return false; + } + } + + return true; + } else { + if (file_view.is_encrypted()) { + return false; + } + return file_view.has_remote_location() || file_view.has_url(); + } +} + +tl_object_ptr<telegram_api::InputMedia> photo_get_input_media(FileManager *file_manager, const Photo &photo, + tl_object_ptr<telegram_api::InputFile> input_file, + int32 ttl) { + if (!photo.photos.empty()) { + auto file_id = photo.photos.back().file_id; + auto file_view = file_manager->get_file_view(file_id); + if (file_view.is_encrypted()) { + return nullptr; + } + if (file_view.has_remote_location() && !file_view.remote_location().is_web()) { + int32 flags = 0; + if (ttl != 0) { + flags |= telegram_api::inputMediaPhoto::TTL_SECONDS_MASK; + } + return make_tl_object<telegram_api::inputMediaPhoto>(flags, file_view.remote_location().as_input_photo(), ttl); + } + if (file_view.has_url()) { + int32 flags = 0; + if (ttl != 0) { + flags |= telegram_api::inputMediaPhotoExternal::TTL_SECONDS_MASK; + } + LOG(INFO) << "Create inputMediaPhotoExternal with a URL " << file_view.url() << " and ttl " << ttl; + return make_tl_object<telegram_api::inputMediaPhotoExternal>(flags, file_view.url(), ttl); + } + CHECK(!file_view.has_remote_location()); + } + if (input_file != nullptr) { + int32 flags = 0; + vector<tl_object_ptr<telegram_api::InputDocument>> added_stickers; + if (photo.has_stickers) { + flags |= telegram_api::inputMediaUploadedPhoto::STICKERS_MASK; + added_stickers = file_manager->get_input_documents(photo.sticker_file_ids); + } + if (ttl != 0) { + flags |= telegram_api::inputMediaUploadedPhoto::TTL_SECONDS_MASK; + } + + return make_tl_object<telegram_api::inputMediaUploadedPhoto>(flags, std::move(input_file), + std::move(added_stickers), ttl); + } + return nullptr; +} + +SecretInputMedia photo_get_secret_input_media(FileManager *file_manager, const Photo &photo, + tl_object_ptr<telegram_api::InputEncryptedFile> input_file, + const string &caption, BufferSlice thumbnail) { + FileId file_id; + int32 width = 0; + int32 height = 0; + + FileId thumbnail_file_id; + int32 thumbnail_width = 0; + int32 thumbnail_height = 0; + for (const auto &size : photo.photos) { + if (size.type == 'i') { + file_id = size.file_id; + width = size.dimensions.width; + height = size.dimensions.height; + } + if (size.type == 't') { + thumbnail_file_id = size.file_id; + thumbnail_width = size.dimensions.width; + thumbnail_height = size.dimensions.height; + } + } + if (file_id.empty()) { + LOG(ERROR) << "NO SIZE"; + return {}; + } + auto file_view = file_manager->get_file_view(file_id); + auto &encryption_key = file_view.encryption_key(); + if (encryption_key.empty()) { + return {}; + } + if (file_view.has_remote_location()) { + LOG(INFO) << "HAS REMOTE LOCATION"; + input_file = file_view.remote_location().as_input_encrypted_file(); + } + if (input_file == nullptr) { + return {}; + } + if (thumbnail_file_id.is_valid() && thumbnail.empty()) { + return {}; + } + + return SecretInputMedia{ + std::move(input_file), + make_tl_object<secret_api::decryptedMessageMediaPhoto>( + std::move(thumbnail), thumbnail_width, thumbnail_height, width, height, narrow_cast<int32>(file_view.size()), + BufferSlice(encryption_key.key_slice()), BufferSlice(encryption_key.iv_slice()), caption)}; +} + +bool operator==(const Photo &lhs, const Photo &rhs) { + return lhs.id == rhs.id && lhs.photos == rhs.photos; +} + +bool operator!=(const Photo &lhs, const Photo &rhs) { + return !(lhs == rhs); +} + +StringBuilder &operator<<(StringBuilder &string_builder, const Photo &photo) { + return string_builder << "[id = " << photo.id << ", photos = " << format::as_array(photo.photos) << "]"; +} + +} // namespace td |