tdlight/td/telegram/FileReferenceManager.cpp

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// 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/FileReferenceManager.h"
#include "td/telegram/AnimationsManager.h"
#include "td/telegram/AttachMenuManager.h"
#include "td/telegram/BackgroundManager.h"
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#include "td/telegram/ConfigManager.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/NotificationSettingsManager.h"
#include "td/telegram/StickerSetId.h"
#include "td/telegram/StickersManager.h"
#include "td/telegram/Td.h"
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#include "td/telegram/WebPageId.h"
#include "td/telegram/WebPagesManager.h"
#include "td/utils/algorithm.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/overloaded.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/Time.h"
namespace td {
int VERBOSITY_NAME(file_references) = VERBOSITY_NAME(INFO);
FileReferenceManager::FileReferenceManager(ActorShared<> parent) : parent_(std::move(parent)) {
}
FileReferenceManager::~FileReferenceManager() {
Scheduler::instance()->destroy_on_scheduler(G()->get_gc_scheduler_id(), file_sources_, nodes_);
}
void FileReferenceManager::tear_down() {
parent_.reset();
}
bool FileReferenceManager::is_file_reference_error(const Status &error) {
return error.is_error() && error.code() == 400 && begins_with(error.message(), "FILE_REFERENCE_");
}
size_t FileReferenceManager::get_file_reference_error_pos(const Status &error) {
if (!is_file_reference_error(error)) {
return 0;
}
auto offset = Slice("FILE_REFERENCE_").size();
if (error.message().size() <= offset || !is_digit(error.message()[offset])) {
return 0;
}
return to_integer<size_t>(error.message().substr(offset)) + 1;
}
/*
fileSourceMessage chat_id:int53 message_id:int53 = FileSource; // repaired with get_message_from_server
fileSourceUserProfilePhoto user_id:int32 photo_id:int64 = FileSource; // repaired with photos.getUserPhotos
fileSourceBasicGroupPhoto basic_group_id:int32 = FileSource; // no need to repair
fileSourceSupergroupPhoto supergroup_id:int32 = FileSource; // no need to repair
fileSourceWebPage url:string = FileSource; // repaired with messages.getWebPage
fileSourceWallpapers = FileSource; // can't be repaired
fileSourceSavedAnimations = FileSource; // repaired with messages.getSavedGifs
fileSourceRecentStickers is_attached:Bool = FileSource; // repaired with messages.getRecentStickers, not reliable
fileSourceFavoriteStickers = FileSource; // repaired with messages.getFavedStickers, not reliable
fileSourceBackground background_id:int64 access_hash:int64 = FileSource; // repaired with account.getWallPaper
fileSourceBasicGroupFull basic_group_id:int32 = FileSource; // repaired with messages.getFullChat
fileSourceSupergroupFull supergroup_id:int32 = FileSource; // repaired with messages.getFullChannel
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fileSourceAppConfig = FileSource; // repaired with help.getAppConfig, not reliable
fileSourceSavedRingtones = FileSource; // repaired with account.getSavedRingtones
fileSourceUserFull = FileSource; // repaired with users.getFullUser
fileSourceAttachmentMenuBot = FileSource; // repaired with messages.getAttachMenuBot
*/
FileSourceId FileReferenceManager::get_current_file_source_id() const {
return FileSourceId(narrow_cast<int32>(file_sources_.size()));
}
template <class T>
FileSourceId FileReferenceManager::add_file_source_id(T source, Slice source_str) {
file_sources_.emplace_back(std::move(source));
VLOG(file_references) << "Create file source " << file_sources_.size() << " for " << source_str;
return get_current_file_source_id();
}
FileSourceId FileReferenceManager::create_message_file_source(FullMessageId full_message_id) {
FileSourceMessage source{full_message_id};
return add_file_source_id(source, PSLICE() << full_message_id);
}
FileSourceId FileReferenceManager::create_user_photo_file_source(UserId user_id, int64 photo_id) {
FileSourceUserPhoto source{photo_id, user_id};
return add_file_source_id(source, PSLICE() << "photo " << photo_id << " of " << user_id);
}
FileSourceId FileReferenceManager::create_web_page_file_source(string url) {
FileSourceWebPage source{std::move(url)};
auto source_str = PSTRING() << "web page of " << source.url;
return add_file_source_id(std::move(source), source_str);
}
FileSourceId FileReferenceManager::create_saved_animations_file_source() {
FileSourceSavedAnimations source;
return add_file_source_id(source, "saved animations");
}
FileSourceId FileReferenceManager::create_recent_stickers_file_source(bool is_attached) {
FileSourceRecentStickers source{is_attached};
return add_file_source_id(source, PSLICE() << "recent " << (is_attached ? "attached " : "") << "stickers");
}
FileSourceId FileReferenceManager::create_favorite_stickers_file_source() {
FileSourceFavoriteStickers source;
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return add_file_source_id(source, "favorite stickers");
}
FileSourceId FileReferenceManager::create_background_file_source(BackgroundId background_id, int64 access_hash) {
FileSourceBackground source{background_id, access_hash};
return add_file_source_id(source, PSLICE() << background_id);
}
FileSourceId FileReferenceManager::create_chat_full_file_source(ChatId chat_id) {
FileSourceChatFull source{chat_id};
return add_file_source_id(source, PSLICE() << "full " << chat_id);
}
FileSourceId FileReferenceManager::create_channel_full_file_source(ChannelId channel_id) {
FileSourceChannelFull source{channel_id};
return add_file_source_id(source, PSLICE() << "full " << channel_id);
}
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FileSourceId FileReferenceManager::create_app_config_file_source() {
FileSourceAppConfig source;
return add_file_source_id(source, "app config");
}
FileSourceId FileReferenceManager::create_saved_ringtones_file_source() {
FileSourceSavedRingtones source;
return add_file_source_id(source, "saved notification sounds");
}
FileSourceId FileReferenceManager::create_user_full_file_source(UserId user_id) {
FileSourceUserFull source{user_id};
return add_file_source_id(source, PSLICE() << "full " << user_id);
}
FileSourceId FileReferenceManager::create_attach_menu_bot_file_source(UserId user_id) {
FileSourceAttachMenuBot source{user_id};
return add_file_source_id(source, PSLICE() << "attachment menu bot " << user_id);
}
FileReferenceManager::Node &FileReferenceManager::add_node(NodeId node_id) {
CHECK(node_id.is_valid());
auto &node = nodes_[node_id];
if (node == nullptr) {
node = make_unique<Node>();
}
return *node;
}
bool FileReferenceManager::add_file_source(NodeId node_id, FileSourceId file_source_id) {
auto &node = add_node(node_id);
bool is_added = node.file_source_ids.add(file_source_id);
VLOG(file_references) << "Add " << (is_added ? "new" : "old") << ' ' << file_source_id << " for file " << node_id;
return is_added;
}
bool FileReferenceManager::remove_file_source(NodeId node_id, FileSourceId file_source_id) {
CHECK(node_id.is_valid());
auto *node = nodes_.get_pointer(node_id);
bool is_removed = node != nullptr && node->file_source_ids.remove(file_source_id);
if (is_removed) {
VLOG(file_references) << "Remove " << file_source_id << " from file " << node_id;
} else {
VLOG(file_references) << "Can't find " << file_source_id << " from file " << node_id << " to remove it";
}
return is_removed;
}
vector<FileSourceId> FileReferenceManager::get_some_file_sources(NodeId node_id) {
auto *node = nodes_.get_pointer(node_id);
if (node == nullptr) {
return {};
}
return node->file_source_ids.get_some_elements();
}
vector<FullMessageId> FileReferenceManager::get_some_message_file_sources(NodeId node_id) {
auto file_source_ids = get_some_file_sources(node_id);
vector<FullMessageId> result;
for (auto file_source_id : file_source_ids) {
auto index = static_cast<size_t>(file_source_id.get()) - 1;
CHECK(index < file_sources_.size());
const auto &file_source = file_sources_[index];
if (file_source.get_offset() == 0) {
result.push_back(file_source.get<FileSourceMessage>().full_message_id);
}
}
return result;
}
void FileReferenceManager::merge(NodeId to_node_id, NodeId from_node_id) {
auto *from_node_ptr = nodes_.get_pointer(from_node_id);
if (from_node_ptr == nullptr) {
return;
}
auto &from = *from_node_ptr;
auto &to = add_node(to_node_id);
VLOG(file_references) << "Merge " << to.file_source_ids.size() << " and " << from.file_source_ids.size()
<< " sources of files " << to_node_id << " and " << from_node_id;
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CHECK(!to.query || to.query->proxy.is_empty());
CHECK(!from.query || from.query->proxy.is_empty());
if (to.query || from.query) {
if (!to.query) {
to.query = make_unique<Query>();
to.query->generation = ++query_generation_;
}
if (from.query) {
combine(to.query->promises, std::move(from.query->promises));
to.query->active_queries += from.query->active_queries;
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from.query->proxy = Destination(to_node_id, to.query->generation);
}
}
to.file_source_ids.merge(std::move(from.file_source_ids));
run_node(to_node_id);
run_node(from_node_id);
}
void FileReferenceManager::run_node(NodeId node_id) {
CHECK(node_id.is_valid());
auto *node_ptr = nodes_.get_pointer(node_id);
if (node_ptr == nullptr) {
return;
}
Node &node = *node_ptr;
if (!node.query) {
return;
}
if (node.query->active_queries != 0) {
return;
}
VLOG(file_references) << "Trying to repair file reference for file " << node_id;
if (node.query->promises.empty()) {
node.query = {};
return;
}
if (!node.file_source_ids.has_next()) {
VLOG(file_references) << "Have no more file sources to repair file reference for file " << node_id;
for (auto &p : node.query->promises) {
if (node.file_source_ids.empty()) {
p.set_error(Status::Error(400, "File source is not found"));
} else {
p.set_error(Status::Error(429, "Too Many Requests: retry after 1"));
}
}
node.query = {};
return;
}
if (node.last_successful_repair_time >= Time::now() - 60) {
VLOG(file_references) << "Recently repaired file reference for file " << node_id << ", do not try again";
for (auto &p : node.query->promises) {
p.set_error(Status::Error(429, "Too Many Requests: retry after 60"));
}
node.query = {};
return;
}
auto file_source_id = node.file_source_ids.next();
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send_query(Destination(node_id, node.query->generation), file_source_id);
}
void FileReferenceManager::send_query(Destination dest, FileSourceId file_source_id) {
VLOG(file_references) << "Send file reference repair query for file " << dest.node_id << " with generation "
<< dest.generation << " from " << file_source_id;
auto &node = add_node(dest.node_id);
node.query->active_queries++;
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auto promise = PromiseCreator::lambda([dest, file_source_id, actor_id = actor_id(this),
file_manager_actor_id = G()->file_manager()](Result<Unit> result) {
auto new_promise = PromiseCreator::lambda([dest, file_source_id, actor_id](Result<Unit> result) {
Status status;
if (result.is_error()) {
status = result.move_as_error();
}
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send_closure(actor_id, &FileReferenceManager::on_query_result, dest, file_source_id, std::move(status), 0);
});
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send_closure(file_manager_actor_id, &FileManager::on_file_reference_repaired, dest.node_id, file_source_id,
std::move(result), std::move(new_promise));
});
auto index = static_cast<size_t>(file_source_id.get()) - 1;
CHECK(index < file_sources_.size());
file_sources_[index].visit(overloaded(
[&](const FileSourceMessage &source) {
send_closure_later(G()->messages_manager(), &MessagesManager::get_message_from_server, source.full_message_id,
std::move(promise), "FileSourceMessage", nullptr);
},
[&](const FileSourceUserPhoto &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_user_profile_photo, source.user_id,
source.photo_id, std::move(promise));
},
[&](const FileSourceChatPhoto &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_chat, source.chat_id, std::move(promise));
},
[&](const FileSourceChannelPhoto &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_channel, source.channel_id,
std::move(promise));
},
[&](const FileSourceWallpapers &source) { promise.set_error(Status::Error("Can't repair old wallpapers")); },
[&](const FileSourceWebPage &source) {
send_closure_later(G()->web_pages_manager(), &WebPagesManager::reload_web_page_by_url, source.url,
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PromiseCreator::lambda([promise = std::move(promise)](Result<WebPageId> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
promise.set_value(Unit());
}
}));
},
[&](const FileSourceSavedAnimations &source) {
send_closure_later(G()->animations_manager(), &AnimationsManager::repair_saved_animations, std::move(promise));
},
[&](const FileSourceRecentStickers &source) {
send_closure_later(G()->stickers_manager(), &StickersManager::repair_recent_stickers, source.is_attached,
std::move(promise));
},
[&](const FileSourceFavoriteStickers &source) {
send_closure_later(G()->stickers_manager(), &StickersManager::repair_favorite_stickers, std::move(promise));
},
[&](const FileSourceBackground &source) {
send_closure_later(G()->background_manager(), &BackgroundManager::reload_background, source.background_id,
source.access_hash, std::move(promise));
},
[&](const FileSourceChatFull &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_chat_full, source.chat_id,
std::move(promise));
},
[&](const FileSourceChannelFull &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_channel_full, source.channel_id,
std::move(promise), "repair file reference");
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},
[&](const FileSourceAppConfig &source) {
send_closure_later(G()->config_manager(), &ConfigManager::reget_app_config, std::move(promise));
},
[&](const FileSourceSavedRingtones &source) {
send_closure_later(G()->notification_settings_manager(), &NotificationSettingsManager::repair_saved_ringtones,
std::move(promise));
},
[&](const FileSourceUserFull &source) {
send_closure_later(G()->contacts_manager(), &ContactsManager::reload_user_full, source.user_id,
std::move(promise));
},
[&](const FileSourceAttachMenuBot &source) {
send_closure_later(G()->attach_menu_manager(), &AttachMenuManager::reload_attach_menu_bot, source.user_id,
std::move(promise));
}));
}
FileReferenceManager::Destination FileReferenceManager::on_query_result(Destination dest, FileSourceId file_source_id,
Status status, int32 sub) {
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if (G()->close_flag()) {
VLOG(file_references) << "Ignore file reference repair from " << file_source_id << " during closing";
return dest;
}
VLOG(file_references) << "Receive result of file reference repair query for file " << dest.node_id
<< " with generation " << dest.generation << " from " << file_source_id << ": " << status << " "
<< sub;
auto &node = add_node(dest.node_id);
auto query = node.query.get();
if (!query) {
return dest;
}
if (query->generation != dest.generation) {
return dest;
}
query->active_queries--;
CHECK(query->active_queries >= 0);
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if (!query->proxy.is_empty()) {
query->active_queries -= sub;
CHECK(query->active_queries >= 0);
auto new_proxy = on_query_result(query->proxy, file_source_id, std::move(status), query->active_queries);
query->proxy = new_proxy;
run_node(dest.node_id);
return new_proxy;
}
if (status.is_ok()) {
node.last_successful_repair_time = Time::now();
for (auto &p : query->promises) {
p.set_value(Unit());
}
node.query = {};
}
run_node(dest.node_id);
return dest;
}
void FileReferenceManager::repair_file_reference(NodeId node_id, Promise<> promise) {
auto main_file_id = G()->td().get_actor_unsafe()->file_manager_->get_file_view(node_id).get_main_file_id();
VLOG(file_references) << "Repair file reference for file " << node_id << "/" << main_file_id;
node_id = main_file_id;
auto &node = add_node(node_id);
if (!node.query) {
node.query = make_unique<Query>();
node.query->generation = ++query_generation_;
node.file_source_ids.reset_position();
VLOG(file_references) << "Create new file reference repair query with generation " << query_generation_;
}
node.query->promises.push_back(std::move(promise));
run_node(node_id);
}
void FileReferenceManager::reload_photo(PhotoSizeSource source, Promise<Unit> promise) {
switch (source.get_type("reload_photo")) {
case PhotoSizeSource::Type::DialogPhotoBig:
case PhotoSizeSource::Type::DialogPhotoSmall:
case PhotoSizeSource::Type::DialogPhotoBigLegacy:
case PhotoSizeSource::Type::DialogPhotoSmallLegacy:
send_closure(G()->contacts_manager(), &ContactsManager::reload_dialog_info, source.dialog_photo().dialog_id,
std::move(promise));
break;
case PhotoSizeSource::Type::StickerSetThumbnail:
case PhotoSizeSource::Type::StickerSetThumbnailLegacy:
case PhotoSizeSource::Type::StickerSetThumbnailVersion:
send_closure(G()->stickers_manager(), &StickersManager::reload_sticker_set,
StickerSetId(source.sticker_set_thumbnail().sticker_set_id),
source.sticker_set_thumbnail().sticker_set_access_hash, std::move(promise));
break;
case PhotoSizeSource::Type::Legacy:
case PhotoSizeSource::Type::FullLegacy:
case PhotoSizeSource::Type::Thumbnail:
promise.set_error(Status::Error("Unexpected PhotoSizeSource type"));
break;
default:
UNREACHABLE();
}
}
void FileReferenceManager::get_file_search_text(FileSourceId file_source_id, string unique_file_id,
Promise<string> promise) {
auto index = static_cast<size_t>(file_source_id.get()) - 1;
CHECK(index < file_sources_.size());
file_sources_[index].visit(overloaded(
[&](const FileSourceMessage &source) {
send_closure_later(G()->messages_manager(), &MessagesManager::get_message_file_search_text,
source.full_message_id, std::move(unique_file_id), std::move(promise));
},
[&](const auto &source) { promise.set_error(Status::Error(500, "Unsupported file source")); }));
}
td_api::object_ptr<td_api::message> FileReferenceManager::get_message_object(FileSourceId file_source_id) const {
auto index = static_cast<size_t>(file_source_id.get()) - 1;
CHECK(index < file_sources_.size());
td_api::object_ptr<td_api::message> result;
file_sources_[index].visit(overloaded(
[&](const FileSourceMessage &source) {
result = G()->td().get_actor_unsafe()->messages_manager_->get_message_object(source.full_message_id,
"FileReferenceManager");
},
[&](const auto &source) { LOG(ERROR) << "Unsupported file source"; }));
return result;
}
} // namespace td