630 lines
22 KiB
C++
630 lines
22 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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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/secret_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/telegram/files/FileManager.h"
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#include "td/telegram/Global.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/HttpUrl.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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#include "td/utils/Random.h"
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#include <algorithm>
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#include <limits>
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namespace td {
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static uint16 get_dimension(int32 size) {
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if (size < 0 || size > 65535) {
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LOG(ERROR) << "Wrong image dimension = " << size;
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return 0;
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}
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return narrow_cast<uint16>(size);
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}
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Dimensions get_dimensions(int32 width, int32 height) {
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Dimensions result;
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result.width = get_dimension(width);
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result.height = get_dimension(height);
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if (result.width == 0 || result.height == 0) {
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result.width = 0;
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result.height = 0;
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}
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return result;
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}
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static uint32 get_pixel_count(const Dimensions &dimensions) {
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return static_cast<uint32>(dimensions.width) * static_cast<uint32>(dimensions.height);
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}
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bool operator==(const Dimensions &lhs, const Dimensions &rhs) {
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return lhs.width == rhs.width && lhs.height == rhs.height;
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}
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bool operator!=(const Dimensions &lhs, const Dimensions &rhs) {
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return !(lhs == rhs);
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions) {
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return string_builder << "(" << dimensions.width << ", " << dimensions.height << ")";
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}
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static FileId register_photo(FileManager *file_manager, FileType file_type, int64 id, int64 access_hash,
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tl_object_ptr<telegram_api::FileLocation> &&location_ptr, DialogId owner_dialog_id,
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int32 file_size) {
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int32 location_id = location_ptr->get_id();
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DcId dc_id;
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int32 local_id;
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int64 volume_id;
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int64 secret;
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switch (location_id) {
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case telegram_api::fileLocationUnavailable::ID: {
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auto location = move_tl_object_as<telegram_api::fileLocationUnavailable>(location_ptr);
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dc_id = DcId::invalid();
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local_id = location->local_id_;
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volume_id = location->volume_id_;
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secret = location->secret_;
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break;
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}
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case telegram_api::fileLocation::ID: {
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auto location = move_tl_object_as<telegram_api::fileLocation>(location_ptr);
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if (!DcId::is_valid(location->dc_id_)) {
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dc_id = DcId::invalid();
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} else {
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dc_id = DcId::internal(location->dc_id_);
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}
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local_id = location->local_id_;
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volume_id = location->volume_id_;
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secret = location->secret_;
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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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LOG(DEBUG) << "Receive photo of type " << static_cast<int8>(file_type) << " in [" << dc_id << "," << volume_id << ","
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<< local_id << "]. Id: (" << id << ", " << access_hash << ")";
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auto suggested_name = PSTRING() << static_cast<uint64>(volume_id) << "_" << static_cast<uint64>(local_id) << ".jpg";
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return file_manager->register_remote(
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FullRemoteFileLocation(file_type, id, access_hash, local_id, volume_id, secret, dc_id),
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FileLocationSource::FromServer, owner_dialog_id, file_size, 0, std::move(suggested_name));
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}
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ProfilePhoto get_profile_photo(FileManager *file_manager,
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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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result.id = profile_photo->photo_id_;
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result.small_file_id = register_photo(file_manager, FileType::ProfilePhoto, result.id, 0,
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std::move(profile_photo->photo_small_), DialogId(), 0);
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result.big_file_id = register_photo(file_manager, FileType::ProfilePhoto, result.id, 0,
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std::move(profile_photo->photo_big_), DialogId(), 0);
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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 == nullptr || !profile_photo->small_file_id.is_valid()) {
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return nullptr;
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}
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return make_tl_object<td_api::profilePhoto>(profile_photo->id,
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file_manager->get_file_object(profile_photo->small_file_id),
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file_manager->get_file_object(profile_photo->big_file_id));
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}
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bool operator==(const ProfilePhoto &lhs, const ProfilePhoto &rhs) {
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bool location_differs = lhs.small_file_id != rhs.small_file_id || lhs.big_file_id != rhs.big_file_id;
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bool id_differs;
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if (lhs.id == -1 && rhs.id == -1) {
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// group chat photo
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id_differs = location_differs;
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} else {
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id_differs = lhs.id != rhs.id;
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}
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if (location_differs) {
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LOG_IF(ERROR, !id_differs) << "location_differs = true, but id_differs = false. First profilePhoto: " << lhs
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<< ", second profilePhoto: " << rhs;
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return false;
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}
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return true;
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}
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bool operator!=(const ProfilePhoto &lhs, const ProfilePhoto &rhs) {
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return !(lhs == rhs);
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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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}
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DialogPhoto get_dialog_photo(FileManager *file_manager, 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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result.small_file_id = register_photo(file_manager, FileType::ProfilePhoto, 0, 0,
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std::move(chat_photo->photo_small_), DialogId(), 0);
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result.big_file_id =
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register_photo(file_manager, FileType::ProfilePhoto, 0, 0, std::move(chat_photo->photo_big_), DialogId(), 0);
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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::chatPhoto> get_chat_photo_object(FileManager *file_manager, 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 make_tl_object<td_api::chatPhoto>(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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}
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bool operator==(const DialogPhoto &lhs, const DialogPhoto &rhs) {
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return lhs.small_file_id == rhs.small_file_id && lhs.big_file_id == rhs.big_file_id;
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}
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bool operator!=(const DialogPhoto &lhs, const DialogPhoto &rhs) {
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return !(lhs == rhs);
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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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}
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PhotoSize get_thumbnail_photo_size(FileManager *file_manager, BufferSlice bytes, DialogId owner_dialog_id, int32 width,
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int32 height) {
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if (bytes.empty()) {
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return PhotoSize();
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}
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PhotoSize res;
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res.type = 't';
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res.dimensions = get_dimensions(width, height);
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res.size = narrow_cast<int32>(bytes.size());
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// generate some random remote location to save
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auto dc_id = DcId::invalid();
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auto local_id = Random::secure_int32();
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auto volume_id = Random::secure_int64();
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auto secret = 0;
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res.file_id = file_manager->register_remote(
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FullRemoteFileLocation(FileType::EncryptedThumbnail, 0, 0, local_id, volume_id, secret, dc_id),
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FileLocationSource::FromServer, owner_dialog_id, res.size, 0,
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PSTRING() << static_cast<uint64>(volume_id) << "_" << static_cast<uint64>(local_id) << ".jpg");
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file_manager->set_content(res.file_id, std::move(bytes));
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return res;
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}
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PhotoSize get_photo_size(FileManager *file_manager, FileType file_type, int64 id, int64 access_hash,
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DialogId owner_dialog_id, tl_object_ptr<telegram_api::PhotoSize> &&size_ptr) {
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tl_object_ptr<telegram_api::FileLocation> location_ptr;
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string type;
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PhotoSize res;
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BufferSlice content;
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int32 size_id = size_ptr->get_id();
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switch (size_id) {
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case telegram_api::photoSizeEmpty::ID:
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return res;
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case telegram_api::photoSize::ID: {
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auto size = move_tl_object_as<telegram_api::photoSize>(size_ptr);
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type = std::move(size->type_);
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location_ptr = std::move(size->location_);
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res.dimensions = get_dimensions(size->w_, size->h_);
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res.size = size->size_;
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break;
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}
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case telegram_api::photoCachedSize::ID: {
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auto size = move_tl_object_as<telegram_api::photoCachedSize>(size_ptr);
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type = std::move(size->type_);
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location_ptr = std::move(size->location_);
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CHECK(size->bytes_.size() <= static_cast<size_t>(std::numeric_limits<int32>::max()));
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res.dimensions = get_dimensions(size->w_, size->h_);
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res.size = static_cast<int32>(size->bytes_.size());
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content = std::move(size->bytes_);
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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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res.file_id =
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register_photo(file_manager, file_type, id, access_hash, std::move(location_ptr), owner_dialog_id, res.size);
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if (!content.empty()) {
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file_manager->set_content(res.file_id, std::move(content));
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}
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if (type.size() != 1) {
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res.type = 0;
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LOG(ERROR) << "Wrong photoSize " << res;
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} else {
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res.type = static_cast<int32>(type[0]);
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}
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return res;
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}
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PhotoSize get_web_document_photo_size(FileManager *file_manager, FileType file_type, DialogId owner_dialog_id,
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tl_object_ptr<telegram_api::WebDocument> web_document_ptr) {
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if (web_document_ptr == nullptr) {
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return {};
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}
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FileId file_id;
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vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes;
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int32 size = 0;
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switch (web_document_ptr->get_id()) {
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case telegram_api::webDocument::ID: {
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auto web_document = move_tl_object_as<telegram_api::webDocument>(web_document_ptr);
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if (!DcId::is_valid(web_document->dc_id_)) {
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LOG(ERROR) << "Wrong dc_id = " << web_document->dc_id_;
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return {};
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}
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auto r_http_url = parse_url(web_document->url_);
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if (r_http_url.is_error()) {
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LOG(ERROR) << "Can't parse URL " << web_document->url_;
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return {};
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}
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auto http_url = r_http_url.move_as_ok();
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auto url = http_url.get_url();
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file_id = file_manager->register_remote(
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FullRemoteFileLocation(file_type, url, web_document->access_hash_, DcId::internal(web_document->dc_id_)),
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FileLocationSource::FromServer, owner_dialog_id, 0, web_document->size_,
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get_url_query_file_name(http_url.query_));
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size = web_document->size_;
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attributes = std::move(web_document->attributes_);
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break;
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}
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case telegram_api::webDocumentNoProxy::ID: {
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auto web_document = move_tl_object_as<telegram_api::webDocumentNoProxy>(web_document_ptr);
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if (web_document->url_.find('.') == string::npos) {
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LOG(ERROR) << "Receive invalid URL " << web_document->url_;
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return {};
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}
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auto r_file_id = file_manager->from_persistent_id(web_document->url_, file_type);
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if (r_file_id.is_error()) {
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LOG(ERROR) << "Can't register URL: " << r_file_id.error();
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return {};
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}
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file_id = r_file_id.move_as_ok();
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size = web_document->size_;
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attributes = std::move(web_document->attributes_);
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break;
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}
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default:
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UNREACHABLE();
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}
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CHECK(file_id.is_valid());
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Dimensions dimensions;
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for (auto &attribute : attributes) {
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switch (attribute->get_id()) {
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case telegram_api::documentAttributeImageSize::ID: {
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auto image_size = move_tl_object_as<telegram_api::documentAttributeImageSize>(attribute);
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dimensions = get_dimensions(image_size->w_, image_size->h_);
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break;
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}
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case telegram_api::documentAttributeAnimated::ID:
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case telegram_api::documentAttributeHasStickers::ID:
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case telegram_api::documentAttributeSticker::ID:
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case telegram_api::documentAttributeVideo::ID:
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case telegram_api::documentAttributeAudio::ID:
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LOG(ERROR) << "Unexpected web document attribute " << to_string(attribute);
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break;
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case telegram_api::documentAttributeFilename::ID:
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break;
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default:
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UNREACHABLE();
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}
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}
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PhotoSize s;
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s.type = file_type == FileType::Thumbnail ? 't' : 'u';
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s.dimensions = dimensions;
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s.size = size;
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s.file_id = file_id;
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return s;
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}
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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 make_tl_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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}
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void sort_photo_sizes(vector<td_api::object_ptr<td_api::photoSize>> &sizes) {
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std::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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}
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bool operator==(const PhotoSize &lhs, const PhotoSize &rhs) {
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return lhs.type == rhs.type && lhs.dimensions == rhs.dimensions && lhs.size == rhs.size && lhs.file_id == rhs.file_id;
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}
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bool operator!=(const PhotoSize &lhs, const PhotoSize &rhs) {
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return !(lhs == rhs);
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}
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bool operator<(const PhotoSize &lhs, const PhotoSize &rhs) {
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if (lhs.size != rhs.size) {
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return lhs.size < rhs.size;
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}
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auto lhs_pixels = get_pixel_count(lhs.dimensions);
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auto rhs_pixels = get_pixel_count(rhs.dimensions);
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if (lhs_pixels != rhs_pixels) {
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return lhs_pixels < rhs_pixels;
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}
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int32 lhs_type = lhs.type == 't' ? -1 : lhs.type;
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int32 rhs_type = rhs.type == 't' ? -1 : rhs.type;
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if (lhs_type != rhs_type) {
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return lhs_type < rhs_type;
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}
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if (lhs.file_id != rhs.file_id) {
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return lhs.file_id.get() < rhs.file_id.get();
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}
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return lhs.dimensions.width < rhs.dimensions.width;
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const PhotoSize &photo_size) {
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return string_builder << "{type = " << photo_size.type << ", dimensions = " << photo_size.dimensions
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<< ", size = " << photo_size.size << ", file_id = " << photo_size.file_id << "}";
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}
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Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::encryptedFile> &&file,
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tl_object_ptr<secret_api::decryptedMessageMediaPhoto> &&photo, DialogId owner_dialog_id) {
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CHECK(DcId::is_valid(file->dc_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::internal(file->dc_id_)),
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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.date = 0;
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if (!photo->thumb_.empty()) {
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res.photos.push_back(get_thumbnail_photo_size(file_manager, std::move(photo->thumb_), owner_dialog_id,
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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.is_encrypted_secret() || !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
|