590 lines
23 KiB
C++
590 lines
23 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/Photo.h"
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#include "td/telegram/Dimensions.h"
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#include "td/telegram/files/FileEncryptionKey.h"
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#include "td/telegram/files/FileLocation.h"
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#include "td/telegram/files/FileManager.h"
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#include "td/telegram/files/FileType.h"
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#include "td/telegram/net/DcId.h"
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#include "td/telegram/PhotoFormat.h"
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#include "td/telegram/PhotoSizeSource.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/common.h"
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#include "td/utils/format.h"
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#include "td/utils/logging.h"
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#include "td/utils/SliceBuilder.h"
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#include <algorithm>
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namespace td {
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ProfilePhoto get_profile_photo(FileManager *file_manager, UserId user_id, int64 user_access_hash,
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tl_object_ptr<telegram_api::UserProfilePhoto> &&profile_photo_ptr) {
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ProfilePhoto result;
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int32 profile_photo_id =
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profile_photo_ptr == nullptr ? telegram_api::userProfilePhotoEmpty::ID : profile_photo_ptr->get_id();
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switch (profile_photo_id) {
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case telegram_api::userProfilePhotoEmpty::ID:
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break;
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case telegram_api::userProfilePhoto::ID: {
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auto profile_photo = move_tl_object_as<telegram_api::userProfilePhoto>(profile_photo_ptr);
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auto dc_id = DcId::create(profile_photo->dc_id_);
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result.has_animation = profile_photo->has_video_;
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result.id = profile_photo->photo_id_;
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result.minithumbnail = profile_photo->stripped_thumb_.as_slice().str();
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result.small_file_id = register_photo_size(
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file_manager, PhotoSizeSource::dialog_photo(DialogId(user_id), user_access_hash, false), result.id,
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0 /*access_hash*/, "" /*file_reference*/, DialogId(), 0 /*file_size*/, dc_id, PhotoFormat::Jpeg);
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result.big_file_id = register_photo_size(
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file_manager, PhotoSizeSource::dialog_photo(DialogId(user_id), user_access_hash, true), result.id,
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0 /*access_hash*/, "" /*file_reference*/, DialogId(), 0 /*file_size*/, dc_id, PhotoFormat::Jpeg);
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break;
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}
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default:
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UNREACHABLE();
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break;
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}
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return result;
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}
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tl_object_ptr<td_api::profilePhoto> get_profile_photo_object(FileManager *file_manager,
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const ProfilePhoto &profile_photo) {
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if (!profile_photo.small_file_id.is_valid()) {
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return nullptr;
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}
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return td_api::make_object<td_api::profilePhoto>(
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profile_photo.id, file_manager->get_file_object(profile_photo.small_file_id),
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file_manager->get_file_object(profile_photo.big_file_id), get_minithumbnail_object(profile_photo.minithumbnail),
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profile_photo.has_animation);
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}
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bool need_update_profile_photo(const ProfilePhoto &from, const ProfilePhoto &to) {
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return from.id != to.id || need_update_dialog_photo(from, to);
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const ProfilePhoto &profile_photo) {
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return string_builder << "<ID = " << profile_photo.id << ", small_file_id = " << profile_photo.small_file_id
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<< ", big_file_id = " << profile_photo.big_file_id
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<< ", has_animation = " << profile_photo.has_animation << ">";
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}
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DialogPhoto get_dialog_photo(FileManager *file_manager, DialogId dialog_id, int64 dialog_access_hash,
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tl_object_ptr<telegram_api::ChatPhoto> &&chat_photo_ptr) {
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int32 chat_photo_id = chat_photo_ptr == nullptr ? telegram_api::chatPhotoEmpty::ID : chat_photo_ptr->get_id();
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DialogPhoto result;
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switch (chat_photo_id) {
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case telegram_api::chatPhotoEmpty::ID:
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break;
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case telegram_api::chatPhoto::ID: {
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auto chat_photo = move_tl_object_as<telegram_api::chatPhoto>(chat_photo_ptr);
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auto dc_id = DcId::create(chat_photo->dc_id_);
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result.has_animation = chat_photo->has_video_;
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result.minithumbnail = chat_photo->stripped_thumb_.as_slice().str();
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result.small_file_id =
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register_photo_size(file_manager, PhotoSizeSource::dialog_photo(dialog_id, dialog_access_hash, false),
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chat_photo->photo_id_, 0, "", DialogId(), 0, dc_id, PhotoFormat::Jpeg);
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result.big_file_id =
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register_photo_size(file_manager, PhotoSizeSource::dialog_photo(dialog_id, dialog_access_hash, true),
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chat_photo->photo_id_, 0, "", DialogId(), 0, dc_id, PhotoFormat::Jpeg);
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break;
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}
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default:
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UNREACHABLE();
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break;
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}
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return result;
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}
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tl_object_ptr<td_api::chatPhotoInfo> get_chat_photo_info_object(FileManager *file_manager,
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const DialogPhoto *dialog_photo) {
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if (dialog_photo == nullptr || !dialog_photo->small_file_id.is_valid()) {
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return nullptr;
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}
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return td_api::make_object<td_api::chatPhotoInfo>(file_manager->get_file_object(dialog_photo->small_file_id),
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file_manager->get_file_object(dialog_photo->big_file_id),
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get_minithumbnail_object(dialog_photo->minithumbnail),
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dialog_photo->has_animation);
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}
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vector<FileId> dialog_photo_get_file_ids(const DialogPhoto &dialog_photo) {
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vector<FileId> result;
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if (dialog_photo.small_file_id.is_valid()) {
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result.push_back(dialog_photo.small_file_id);
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}
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if (dialog_photo.big_file_id.is_valid()) {
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result.push_back(dialog_photo.big_file_id);
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}
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return result;
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}
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DialogPhoto as_fake_dialog_photo(const Photo &photo, DialogId dialog_id) {
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DialogPhoto result;
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if (!photo.is_empty()) {
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for (auto &size : photo.photos) {
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if (size.type == 'a') {
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result.small_file_id = size.file_id;
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} else if (size.type == 'c') {
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result.big_file_id = size.file_id;
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}
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}
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result.minithumbnail = photo.minithumbnail;
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result.has_animation = !photo.animations.empty();
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if (!result.small_file_id.is_valid() || !result.big_file_id.is_valid()) {
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LOG(ERROR) << "Failed to convert " << photo << " to chat photo of " << dialog_id;
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return DialogPhoto();
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}
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}
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return result;
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}
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DialogPhoto as_dialog_photo(FileManager *file_manager, DialogId dialog_id, int64 dialog_access_hash,
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const Photo &photo) {
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DialogPhoto result;
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static_cast<DialogPhoto &>(result) = as_fake_dialog_photo(photo, dialog_id);
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if (!result.small_file_id.is_valid()) {
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return result;
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}
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auto reregister_photo = [&](bool is_big, FileId file_id) {
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auto file_view = file_manager->get_file_view(file_id);
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CHECK(file_view.has_remote_location());
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auto remote = file_view.remote_location();
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CHECK(remote.is_photo());
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CHECK(!remote.is_web());
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remote.set_source(PhotoSizeSource::dialog_photo(dialog_id, dialog_access_hash, is_big));
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return file_manager->register_remote(std::move(remote), FileLocationSource::FromServer, DialogId(), 0, 0,
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file_view.remote_name());
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};
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result.small_file_id = reregister_photo(false, result.small_file_id);
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result.big_file_id = reregister_photo(true, result.big_file_id);
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return result;
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}
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ProfilePhoto as_profile_photo(FileManager *file_manager, UserId user_id, int64 user_access_hash, const Photo &photo) {
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ProfilePhoto result;
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static_cast<DialogPhoto &>(result) = as_dialog_photo(file_manager, DialogId(user_id), user_access_hash, photo);
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if (result.small_file_id.is_valid()) {
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result.id = photo.id.get();
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}
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return result;
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}
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bool is_same_dialog_photo(FileManager *file_manager, DialogId dialog_id, const Photo &photo,
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const DialogPhoto &dialog_photo) {
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auto get_unique_file_id = [file_manager](FileId file_id) {
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return file_manager->get_file_view(file_id).get_unique_file_id();
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};
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auto fake_photo = as_fake_dialog_photo(photo, dialog_id);
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return get_unique_file_id(fake_photo.small_file_id) == get_unique_file_id(dialog_photo.small_file_id) &&
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get_unique_file_id(fake_photo.big_file_id) == get_unique_file_id(dialog_photo.big_file_id);
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}
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bool need_update_dialog_photo(const DialogPhoto &from, const DialogPhoto &to) {
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return from.small_file_id != to.small_file_id || from.big_file_id != to.big_file_id ||
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from.has_animation != to.has_animation ||
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need_update_dialog_photo_minithumbnail(from.minithumbnail, to.minithumbnail);
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const DialogPhoto &dialog_photo) {
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return string_builder << "<small_file_id = " << dialog_photo.small_file_id
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<< ", big_file_id = " << dialog_photo.big_file_id
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<< ", has_animation = " << dialog_photo.has_animation << ">";
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}
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static tl_object_ptr<td_api::photoSize> get_photo_size_object(FileManager *file_manager, const PhotoSize *photo_size) {
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if (photo_size == nullptr || !photo_size->file_id.is_valid()) {
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return nullptr;
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}
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return td_api::make_object<td_api::photoSize>(
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photo_size->type ? std::string(1, static_cast<char>(photo_size->type))
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: std::string(), // TODO replace string type with integer type
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file_manager->get_file_object(photo_size->file_id), photo_size->dimensions.width, photo_size->dimensions.height,
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vector<int32>(photo_size->progressive_sizes));
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}
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static vector<td_api::object_ptr<td_api::photoSize>> get_photo_sizes_object(FileManager *file_manager,
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const vector<PhotoSize> &photo_sizes) {
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auto sizes = transform(photo_sizes, [file_manager](const PhotoSize &photo_size) {
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return get_photo_size_object(file_manager, &photo_size);
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});
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std::stable_sort(sizes.begin(), sizes.end(), [](const auto &lhs, const auto &rhs) {
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if (lhs->photo_->expected_size_ != rhs->photo_->expected_size_) {
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return lhs->photo_->expected_size_ < rhs->photo_->expected_size_;
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}
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return static_cast<uint32>(lhs->width_) * static_cast<uint32>(lhs->height_) <
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static_cast<uint32>(rhs->width_) * static_cast<uint32>(rhs->height_);
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});
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td::remove_if(sizes, [](const auto &size) {
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return !size->photo_->local_->can_be_downloaded_ && !size->photo_->local_->is_downloading_completed_;
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});
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return sizes;
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}
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static tl_object_ptr<td_api::animatedChatPhoto> get_animated_chat_photo_object(FileManager *file_manager,
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const AnimationSize *animation_size) {
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if (animation_size == nullptr || !animation_size->file_id.is_valid()) {
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return nullptr;
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}
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return td_api::make_object<td_api::animatedChatPhoto>(animation_size->dimensions.width,
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file_manager->get_file_object(animation_size->file_id),
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animation_size->main_frame_timestamp);
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}
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Photo get_encrypted_file_photo(FileManager *file_manager, unique_ptr<EncryptedFile> &&file,
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tl_object_ptr<secret_api::decryptedMessageMediaPhoto> &&photo,
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DialogId owner_dialog_id) {
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FileId file_id = file_manager->register_remote(
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FullRemoteFileLocation(FileType::Encrypted, file->id_, file->access_hash_, DcId::create(file->dc_id_), string()),
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FileLocationSource::FromServer, owner_dialog_id, photo->size_, 0,
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PSTRING() << static_cast<uint64>(file->id_) << ".jpg");
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file_manager->set_encryption_key(file_id, FileEncryptionKey{photo->key_.as_slice(), photo->iv_.as_slice()});
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Photo res;
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res.id = 0;
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res.date = 0;
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if (!photo->thumb_.empty()) {
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res.photos.push_back(get_secret_thumbnail_photo_size(file_manager, std::move(photo->thumb_), owner_dialog_id,
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photo->thumb_w_, photo->thumb_h_));
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}
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PhotoSize s;
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s.type = 'i';
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s.dimensions = get_dimensions(photo->w_, photo->h_, nullptr);
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s.size = photo->size_;
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s.file_id = file_id;
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res.photos.push_back(s);
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return res;
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}
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Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::Photo> &&photo, DialogId owner_dialog_id) {
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if (photo == nullptr || photo->get_id() == telegram_api::photoEmpty::ID) {
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return Photo();
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}
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CHECK(photo->get_id() == telegram_api::photo::ID);
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return get_photo(file_manager, move_tl_object_as<telegram_api::photo>(photo), owner_dialog_id);
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}
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Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::photo> &&photo, DialogId owner_dialog_id) {
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CHECK(photo != nullptr);
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Photo res;
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res.id = photo->id_;
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res.date = photo->date_;
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res.has_stickers = photo->has_stickers_;
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if (res.is_empty()) {
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LOG(ERROR) << "Receive photo with identifier " << res.id.get();
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res.id = -3;
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}
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DcId dc_id = DcId::create(photo->dc_id_);
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for (auto &size_ptr : photo->sizes_) {
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auto photo_size = get_photo_size(file_manager, PhotoSizeSource::thumbnail(FileType::Photo, 0), photo->id_,
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photo->access_hash_, photo->file_reference_.as_slice().str(), dc_id,
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owner_dialog_id, std::move(size_ptr), PhotoFormat::Jpeg);
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if (photo_size.get_offset() == 0) {
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PhotoSize &size = photo_size.get<0>();
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if (size.type == 0 || size.type == 't' || size.type == 'i' || size.type == 'p' || size.type == 'u' ||
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size.type == 'v') {
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LOG(ERROR) << "Skip unallowed photo size " << size;
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continue;
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}
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res.photos.push_back(std::move(size));
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} else {
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res.minithumbnail = std::move(photo_size.get<1>());
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}
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}
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for (auto &size_ptr : photo->video_sizes_) {
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auto animation = get_animation_size(file_manager, PhotoSizeSource::thumbnail(FileType::Photo, 0), photo->id_,
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photo->access_hash_, photo->file_reference_.as_slice().str(), dc_id,
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owner_dialog_id, std::move(size_ptr));
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if (animation.type != 0 && animation.dimensions.width == animation.dimensions.height) {
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res.animations.push_back(std::move(animation));
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}
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}
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return res;
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}
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Photo get_web_document_photo(FileManager *file_manager, tl_object_ptr<telegram_api::WebDocument> web_document,
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DialogId owner_dialog_id) {
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PhotoSize s = get_web_document_photo_size(file_manager, FileType::Photo, owner_dialog_id, std::move(web_document));
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Photo photo;
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if (s.file_id.is_valid() && s.type != 'v' && s.type != 'g') {
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photo.id = 0;
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photo.photos.push_back(s);
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}
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return photo;
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}
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tl_object_ptr<td_api::photo> get_photo_object(FileManager *file_manager, const Photo &photo) {
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if (photo.is_empty()) {
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return nullptr;
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}
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return td_api::make_object<td_api::photo>(photo.has_stickers, get_minithumbnail_object(photo.minithumbnail),
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get_photo_sizes_object(file_manager, photo.photos));
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}
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tl_object_ptr<td_api::chatPhoto> get_chat_photo_object(FileManager *file_manager, const Photo &photo) {
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if (photo.is_empty()) {
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return nullptr;
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}
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const AnimationSize *small_animation = nullptr;
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const AnimationSize *big_animation = nullptr;
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for (auto &animation : photo.animations) {
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if (animation.type == 'p') {
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small_animation = &animation;
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} else if (animation.type == 'u') {
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big_animation = &animation;
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}
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}
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if (big_animation == nullptr && small_animation != nullptr) {
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LOG(ERROR) << "Have small animation without big animation in " << photo;
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small_animation = nullptr;
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}
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return td_api::make_object<td_api::chatPhoto>(
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photo.id.get(), photo.date, get_minithumbnail_object(photo.minithumbnail),
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get_photo_sizes_object(file_manager, photo.photos), get_animated_chat_photo_object(file_manager, big_animation),
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get_animated_chat_photo_object(file_manager, small_animation));
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}
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void photo_delete_thumbnail(Photo &photo) {
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for (size_t i = 0; i < photo.photos.size(); i++) {
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if (photo.photos[i].type == 't') {
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photo.photos.erase(photo.photos.begin() + i);
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return;
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}
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}
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}
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bool photo_has_input_media(FileManager *file_manager, const Photo &photo, bool is_secret, bool is_bot) {
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if (photo.photos.empty() || photo.photos.back().type != 'i') {
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LOG(ERROR) << "Wrong photo: " << photo;
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return false;
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}
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auto file_id = photo.photos.back().file_id;
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auto file_view = file_manager->get_file_view(file_id);
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if (is_secret) {
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if (!file_view.is_encrypted_secret() || !file_view.has_remote_location()) {
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return false;
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}
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for (const auto &size : photo.photos) {
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if (size.type == 't' && size.file_id.is_valid()) {
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return false;
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}
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}
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return true;
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} else {
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if (file_view.is_encrypted()) {
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return false;
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}
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if (is_bot && file_view.has_remote_location()) {
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return true;
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}
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return /* file_view.has_remote_location() || */ file_view.has_url();
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}
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}
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tl_object_ptr<telegram_api::InputMedia> photo_get_input_media(FileManager *file_manager, const Photo &photo,
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tl_object_ptr<telegram_api::InputFile> input_file,
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int32 ttl) {
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if (!photo.photos.empty()) {
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auto file_id = photo.photos.back().file_id;
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auto file_view = file_manager->get_file_view(file_id);
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if (file_view.is_encrypted()) {
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return nullptr;
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}
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if (file_view.has_remote_location() && !file_view.main_remote_location().is_web() && input_file == nullptr) {
|
|
int32 flags = 0;
|
|
if (ttl != 0) {
|
|
flags |= telegram_api::inputMediaPhoto::TTL_SECONDS_MASK;
|
|
}
|
|
return make_tl_object<telegram_api::inputMediaPhoto>(flags, file_view.main_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);
|
|
}
|
|
if (input_file == nullptr) {
|
|
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 (!file_view.is_encrypted_secret() || encryption_key.empty()) {
|
|
return {};
|
|
}
|
|
if (file_view.has_remote_location()) {
|
|
LOG(INFO) << "Photo has remote location";
|
|
input_file = file_view.main_remote_location().as_input_encrypted_file();
|
|
}
|
|
if (input_file == nullptr) {
|
|
return {};
|
|
}
|
|
if (thumbnail_file_id.is_valid() && thumbnail.empty()) {
|
|
return {};
|
|
}
|
|
auto size = file_view.size();
|
|
if (size < 0 || size >= 1000000000) {
|
|
size = 0;
|
|
}
|
|
|
|
return SecretInputMedia{
|
|
std::move(input_file),
|
|
make_tl_object<secret_api::decryptedMessageMediaPhoto>(
|
|
std::move(thumbnail), thumbnail_width, thumbnail_height, width, height, static_cast<int32>(size),
|
|
BufferSlice(encryption_key.key_slice()), BufferSlice(encryption_key.iv_slice()), caption)};
|
|
}
|
|
|
|
vector<FileId> photo_get_file_ids(const Photo &photo) {
|
|
auto result = transform(photo.photos, [](auto &size) { return size.file_id; });
|
|
if (!photo.animations.empty()) {
|
|
// photo file IDs must be first
|
|
append(result, transform(photo.animations, [](auto &size) { return size.file_id; }));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool operator==(const Photo &lhs, const Photo &rhs) {
|
|
return lhs.id.get() == rhs.id.get() && lhs.photos == rhs.photos && lhs.animations == rhs.animations;
|
|
}
|
|
|
|
bool operator!=(const Photo &lhs, const Photo &rhs) {
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
StringBuilder &operator<<(StringBuilder &string_builder, const Photo &photo) {
|
|
string_builder << "[ID = " << photo.id.get() << ", photos = " << format::as_array(photo.photos);
|
|
if (!photo.animations.empty()) {
|
|
string_builder << ", animations = " << format::as_array(photo.animations);
|
|
}
|
|
return string_builder << ']';
|
|
}
|
|
|
|
tl_object_ptr<telegram_api::userProfilePhoto> convert_photo_to_profile_photo(
|
|
const tl_object_ptr<telegram_api::photo> &photo) {
|
|
if (photo == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
bool have_photo_small = false;
|
|
bool have_photo_big = false;
|
|
for (auto &size_ptr : photo->sizes_) {
|
|
switch (size_ptr->get_id()) {
|
|
case telegram_api::photoSizeEmpty::ID:
|
|
break;
|
|
case telegram_api::photoSize::ID: {
|
|
auto size = static_cast<const telegram_api::photoSize *>(size_ptr.get());
|
|
if (size->type_ == "a") {
|
|
have_photo_small = true;
|
|
} else if (size->type_ == "c") {
|
|
have_photo_big = true;
|
|
}
|
|
break;
|
|
}
|
|
case telegram_api::photoCachedSize::ID: {
|
|
auto size = static_cast<const telegram_api::photoCachedSize *>(size_ptr.get());
|
|
if (size->type_ == "a") {
|
|
have_photo_small = true;
|
|
} else if (size->type_ == "c") {
|
|
have_photo_big = true;
|
|
}
|
|
break;
|
|
}
|
|
case telegram_api::photoStrippedSize::ID:
|
|
break;
|
|
case telegram_api::photoSizeProgressive::ID: {
|
|
auto size = static_cast<const telegram_api::photoSizeProgressive *>(size_ptr.get());
|
|
if (size->type_ == "a") {
|
|
have_photo_small = true;
|
|
} else if (size->type_ == "c") {
|
|
have_photo_big = true;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
break;
|
|
}
|
|
}
|
|
if (!have_photo_small || !have_photo_big) {
|
|
return nullptr;
|
|
}
|
|
bool has_video = !photo->video_sizes_.empty();
|
|
return make_tl_object<telegram_api::userProfilePhoto>(0, has_video, photo->id_, BufferSlice(), photo->dc_id_);
|
|
}
|
|
|
|
} // namespace td
|