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tdlight/td/telegram/WebPagesManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// 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/WebPagesManager.h"
#include "td/telegram/AnimationsManager.h"
#include "td/telegram/AudiosManager.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/Dimensions.h"
#include "td/telegram/Document.h"
#include "td/telegram/Document.hpp"
#include "td/telegram/DocumentsManager.h"
#include "td/telegram/FileReferenceManager.h"
#include "td/telegram/files/FileId.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/files/FileSourceId.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/MessageEntity.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/Photo.h"
#include "td/telegram/PhotoFormat.h"
#include "td/telegram/secret_api.h"
#include "td/telegram/StickersManager.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/TdParameters.h"
#include "td/telegram/VideoNotesManager.h"
#include "td/telegram/VideosManager.h"
#include "td/telegram/VoiceNotesManager.h"
#include "td/telegram/WebPageBlock.h"
#include "td/db/binlog/BinlogEvent.h"
#include "td/db/binlog/BinlogHelper.h"
#include "td/db/SqliteKeyValue.h"
#include "td/db/SqliteKeyValueAsync.h"
#include "td/utils/algorithm.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/format.h"
#include "td/utils/HttpUrl.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
#include "td/utils/utf8.h"
#include <limits>
namespace td {
class GetWebPagePreviewQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
int64 request_id_;
string url_;
public:
explicit GetWebPagePreviewQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(const string &text, vector<tl_object_ptr<telegram_api::MessageEntity>> &&entities, int64 request_id,
string url) {
request_id_ = request_id;
url_ = std::move(url);
int32 flags = 0;
if (!entities.empty()) {
flags |= telegram_api::messages_getWebPagePreview::ENTITIES_MASK;
}
send_query(
G()->net_query_creator().create(telegram_api::messages_getWebPagePreview(flags, text, std::move(entities))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_getWebPagePreview>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetWebPagePreviewQuery: " << to_string(ptr);
td_->web_pages_manager_->on_get_web_page_preview_success(request_id_, url_, std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
td_->web_pages_manager_->on_get_web_page_preview_fail(request_id_, url_, std::move(status), std::move(promise_));
}
};
class GetWebPageQuery final : public Td::ResultHandler {
Promise<WebPageId> promise_;
WebPageId web_page_id_;
string url_;
public:
explicit GetWebPageQuery(Promise<WebPageId> &&promise) : promise_(std::move(promise)) {
}
void send(WebPageId web_page_id, const string &url, int32 hash) {
if (url.empty()) {
return promise_.set_value(WebPageId());
}
web_page_id_ = web_page_id;
url_ = url;
send_query(G()->net_query_creator().create(telegram_api::messages_getWebPage(url, hash)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_getWebPage>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetWebPageQuery: " << to_string(ptr);
if (ptr->get_id() == telegram_api::webPageNotModified::ID) {
if (web_page_id_.is_valid()) {
auto web_page = move_tl_object_as<telegram_api::webPageNotModified>(ptr);
int32 view_count = (web_page->flags_ & telegram_api::webPageNotModified::CACHED_PAGE_VIEWS_MASK) != 0
? web_page->cached_page_views_
: 0;
td_->web_pages_manager_->on_get_web_page_instant_view_view_count(web_page_id_, view_count);
return promise_.set_value(std::move(web_page_id_));
} else {
LOG(ERROR) << "Receive webPageNotModified for " << url_;
return on_error(Status::Error(500, "Receive webPageNotModified"));
}
}
auto web_page_id = td_->web_pages_manager_->on_get_web_page(std::move(ptr), DialogId());
td_->web_pages_manager_->on_get_web_page_by_url(url_, web_page_id, false);
promise_.set_value(std::move(web_page_id));
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class WebPagesManager::WebPageInstantView {
public:
vector<unique_ptr<WebPageBlock>> page_blocks;
string url;
int32 view_count = 0;
int32 hash = 0;
bool is_v2 = false;
bool is_rtl = false;
bool is_empty = true;
bool is_full = false;
bool is_loaded = false;
bool was_loaded_from_database = false;
template <class StorerT>
void store(StorerT &storer) const {
using ::td::store;
bool has_url = !url.empty();
bool has_view_count = view_count > 0;
BEGIN_STORE_FLAGS();
STORE_FLAG(is_full);
STORE_FLAG(is_loaded);
STORE_FLAG(is_rtl);
STORE_FLAG(is_v2);
STORE_FLAG(has_url);
STORE_FLAG(has_view_count);
END_STORE_FLAGS();
store(page_blocks, storer);
store(hash, storer);
if (has_url) {
store(url, storer);
}
if (has_view_count) {
store(view_count, storer);
}
CHECK(!is_empty);
}
template <class ParserT>
void parse(ParserT &parser) {
using ::td::parse;
bool has_url;
bool has_view_count;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(is_full);
PARSE_FLAG(is_loaded);
PARSE_FLAG(is_rtl);
PARSE_FLAG(is_v2);
PARSE_FLAG(has_url);
PARSE_FLAG(has_view_count);
END_PARSE_FLAGS();
parse(page_blocks, parser);
parse(hash, parser);
if (has_url) {
parse(url, parser);
}
if (has_view_count) {
parse(view_count, parser);
}
is_empty = false;
}
friend StringBuilder &operator<<(StringBuilder &string_builder,
const WebPagesManager::WebPageInstantView &instant_view) {
return string_builder << "InstantView(url = " << instant_view.url << ", size = " << instant_view.page_blocks.size()
<< ", view_count = " << instant_view.view_count << ", hash = " << instant_view.hash
<< ", is_empty = " << instant_view.is_empty << ", is_v2 = " << instant_view.is_v2
<< ", is_rtl = " << instant_view.is_rtl << ", is_full = " << instant_view.is_full
<< ", is_loaded = " << instant_view.is_loaded
<< ", was_loaded_from_database = " << instant_view.was_loaded_from_database << ")";
}
};
class WebPagesManager::WebPage {
public:
string url;
string display_url;
string type;
string site_name;
string title;
string description;
Photo photo;
string embed_url;
string embed_type;
Dimensions embed_dimensions;
int32 duration = 0;
string author;
Document document;
vector<Document> documents;
WebPageInstantView instant_view;
FileSourceId file_source_id;
mutable uint64 log_event_id = 0;
template <class StorerT>
void store(StorerT &storer) const {
using ::td::store;
bool has_type = !type.empty();
bool has_site_name = !site_name.empty();
bool has_title = !title.empty();
bool has_description = !description.empty();
bool has_photo = !photo.is_empty();
bool has_embed = !embed_url.empty();
bool has_embed_dimensions = has_embed && embed_dimensions != Dimensions();
bool has_duration = duration > 0;
bool has_author = !author.empty();
bool has_document = !document.empty();
bool has_instant_view = !instant_view.is_empty;
bool is_instant_view_v2 = instant_view.is_v2;
bool has_no_hash = true;
bool has_documents = !documents.empty();
BEGIN_STORE_FLAGS();
STORE_FLAG(has_type);
STORE_FLAG(has_site_name);
STORE_FLAG(has_title);
STORE_FLAG(has_description);
STORE_FLAG(has_photo);
STORE_FLAG(has_embed);
STORE_FLAG(has_embed_dimensions);
STORE_FLAG(has_duration);
STORE_FLAG(has_author);
STORE_FLAG(has_document);
STORE_FLAG(has_instant_view);
STORE_FLAG(has_no_hash);
STORE_FLAG(is_instant_view_v2);
STORE_FLAG(has_documents);
END_STORE_FLAGS();
store(url, storer);
store(display_url, storer);
if (has_type) {
store(type, storer);
}
if (has_site_name) {
store(site_name, storer);
}
if (has_title) {
store(title, storer);
}
if (has_description) {
store(description, storer);
}
if (has_photo) {
store(photo, storer);
}
if (has_embed) {
store(embed_url, storer);
store(embed_type, storer);
}
if (has_embed_dimensions) {
store(embed_dimensions, storer);
}
if (has_duration) {
store(duration, storer);
}
if (has_author) {
store(author, storer);
}
if (has_document) {
store(document, storer);
}
if (has_documents) {
store(documents, storer);
}
}
template <class ParserT>
void parse(ParserT &parser) {
using ::td::parse;
bool has_type;
bool has_site_name;
bool has_title;
bool has_description;
bool has_photo;
bool has_embed;
bool has_embed_dimensions;
bool has_duration;
bool has_author;
bool has_document;
bool has_instant_view;
bool is_instant_view_v2;
bool has_no_hash;
bool has_documents;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_type);
PARSE_FLAG(has_site_name);
PARSE_FLAG(has_title);
PARSE_FLAG(has_description);
PARSE_FLAG(has_photo);
PARSE_FLAG(has_embed);
PARSE_FLAG(has_embed_dimensions);
PARSE_FLAG(has_duration);
PARSE_FLAG(has_author);
PARSE_FLAG(has_document);
PARSE_FLAG(has_instant_view);
PARSE_FLAG(has_no_hash);
PARSE_FLAG(is_instant_view_v2);
PARSE_FLAG(has_documents);
END_PARSE_FLAGS();
parse(url, parser);
parse(display_url, parser);
if (!has_no_hash) {
int32 hash;
parse(hash, parser);
}
if (has_type) {
parse(type, parser);
}
if (has_site_name) {
parse(site_name, parser);
}
if (has_title) {
parse(title, parser);
}
if (has_description) {
parse(description, parser);
}
if (has_photo) {
parse(photo, parser);
}
if (has_embed) {
parse(embed_url, parser);
parse(embed_type, parser);
}
if (has_embed_dimensions) {
parse(embed_dimensions, parser);
}
if (has_duration) {
parse(duration, parser);
}
if (has_author) {
parse(author, parser);
}
if (has_document) {
parse(document, parser);
}
if (has_documents) {
parse(documents, parser);
}
if (has_instant_view) {
instant_view.is_empty = false;
}
if (is_instant_view_v2) {
instant_view.is_v2 = true;
}
}
friend bool operator==(const WebPage &lhs, const WebPage &rhs) {
return lhs.url == rhs.url && lhs.display_url == rhs.display_url && lhs.type == rhs.type &&
lhs.site_name == rhs.site_name && lhs.title == rhs.title && lhs.description == rhs.description &&
lhs.photo == rhs.photo && lhs.type == rhs.type && lhs.embed_url == rhs.embed_url &&
lhs.embed_type == rhs.embed_type && lhs.embed_dimensions == rhs.embed_dimensions &&
lhs.duration == rhs.duration && lhs.author == rhs.author && lhs.document == rhs.document &&
lhs.documents == rhs.documents && lhs.instant_view.is_empty == rhs.instant_view.is_empty &&
lhs.instant_view.is_v2 == rhs.instant_view.is_v2;
}
};
WebPagesManager::WebPagesManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
pending_web_pages_timeout_.set_callback(on_pending_web_page_timeout_callback);
pending_web_pages_timeout_.set_callback_data(static_cast<void *>(this));
}
void WebPagesManager::tear_down() {
parent_.reset();
LOG(DEBUG) << "Have " << web_pages_.size() << " web pages to free";
}
WebPagesManager::~WebPagesManager() {
Scheduler::instance()->destroy_on_scheduler(G()->get_gc_scheduler_id(), web_pages_, web_page_messages_,
got_web_page_previews_, url_to_web_page_id_, url_to_file_source_id_);
}
WebPageId WebPagesManager::on_get_web_page(tl_object_ptr<telegram_api::WebPage> &&web_page_ptr,
DialogId owner_dialog_id) {
CHECK(web_page_ptr != nullptr);
if (td_->auth_manager_->is_bot()) {
return WebPageId();
}
LOG(DEBUG) << "Got " << to_string(web_page_ptr);
switch (web_page_ptr->get_id()) {
case telegram_api::webPageEmpty::ID: {
auto web_page = move_tl_object_as<telegram_api::webPageEmpty>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG_IF(ERROR, web_page_id != WebPageId()) << "Receive invalid " << web_page_id;
return WebPageId();
}
LOG(INFO) << "Got empty " << web_page_id;
const WebPage *web_page_to_delete = get_web_page(web_page_id);
if (web_page_to_delete != nullptr) {
if (web_page_to_delete->log_event_id != 0) {
LOG(INFO) << "Erase " << web_page_id << " from binlog";
binlog_erase(G()->td_db()->get_binlog(), web_page_to_delete->log_event_id);
web_page_to_delete->log_event_id = 0;
}
if (web_page_to_delete->file_source_id.is_valid()) {
td_->file_manager_->change_files_source(web_page_to_delete->file_source_id,
get_web_page_file_ids(web_page_to_delete), vector<FileId>());
}
web_pages_.erase(web_page_id);
}
on_web_page_changed(web_page_id, false);
if (G()->parameters().use_message_db) {
LOG(INFO) << "Delete " << web_page_id << " from database";
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_database_key(web_page_id), Auto());
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
return WebPageId();
}
case telegram_api::webPagePending::ID: {
auto web_page = move_tl_object_as<telegram_api::webPagePending>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << web_page_id;
return WebPageId();
}
auto web_page_date = web_page->date_;
LOG(INFO) << "Got pending " << web_page_id << ", force_get_date = " << web_page_date
<< ", now = " << G()->server_time();
pending_web_pages_timeout_.add_timeout_in(web_page_id.get(), max(web_page_date - G()->server_time(), 1.0));
return web_page_id;
}
case telegram_api::webPage::ID: {
auto web_page = move_tl_object_as<telegram_api::webPage>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << web_page_id;
return WebPageId();
}
LOG(INFO) << "Got " << web_page_id;
auto page = make_unique<WebPage>();
page->url = std::move(web_page->url_);
page->display_url = std::move(web_page->display_url_);
page->type = std::move(web_page->type_);
page->site_name = std::move(web_page->site_name_);
page->title = std::move(web_page->title_);
page->description = std::move(web_page->description_);
page->photo = get_photo(td_->file_manager_.get(), std::move(web_page->photo_), owner_dialog_id);
if (web_page->flags_ & WEBPAGE_FLAG_HAS_EMBEDDED_PREVIEW) {
page->embed_url = std::move(web_page->embed_url_);
page->embed_type = std::move(web_page->embed_type_);
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_EMBEDDED_PREVIEW_SIZE) {
page->embed_dimensions = get_dimensions(web_page->embed_width_, web_page->embed_height_, "webPage");
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_DURATION) {
page->duration = web_page->duration_;
if (page->duration < 0) {
LOG(ERROR) << "Receive wrong web page duration " << page->duration;
page->duration = 0;
}
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_AUTHOR) {
page->author = std::move(web_page->author_);
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_DOCUMENT) {
int32 document_id = web_page->document_->get_id();
if (document_id == telegram_api::document::ID) {
auto parsed_document = td_->documents_manager_->on_get_document(
move_tl_object_as<telegram_api::document>(web_page->document_), owner_dialog_id);
page->document = std::move(parsed_document);
}
}
for (auto &attribute : web_page->attributes_) {
CHECK(attribute != nullptr);
page->documents.clear();
for (auto &document : attribute->documents_) {
int32 document_id = document->get_id();
if (document_id == telegram_api::document::ID) {
auto parsed_document = td_->documents_manager_->on_get_document(
move_tl_object_as<telegram_api::document>(document), owner_dialog_id);
if (!parsed_document.empty()) {
page->documents.push_back(std::move(parsed_document));
}
}
}
// TODO attribute->settings_
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_INSTANT_VIEW) {
on_get_web_page_instant_view(page.get(), std::move(web_page->cached_page_), web_page->hash_, owner_dialog_id);
}
update_web_page(std::move(page), web_page_id, false, false);
return web_page_id;
}
case telegram_api::webPageNotModified::ID: {
LOG(ERROR) << "Receive webPageNotModified";
return WebPageId();
}
default:
UNREACHABLE();
return WebPageId();
}
}
void WebPagesManager::update_web_page(unique_ptr<WebPage> web_page, WebPageId web_page_id, bool from_binlog,
bool from_database) {
LOG(INFO) << "Update " << web_page_id << (from_database ? " from database" : (from_binlog ? " from binlog" : ""));
CHECK(web_page != nullptr);
auto &page = web_pages_[web_page_id];
auto old_file_ids = get_web_page_file_ids(page.get());
WebPageInstantView old_instant_view;
bool is_changed = true;
if (page != nullptr) {
if (*page == *web_page) {
is_changed = false;
}
old_instant_view = std::move(page->instant_view);
web_page->log_event_id = page->log_event_id;
} else {
auto it = url_to_file_source_id_.find(web_page->url);
if (it != url_to_file_source_id_.end()) {
VLOG(file_references) << "Move " << it->second << " inside of " << web_page_id;
web_page->file_source_id = it->second;
url_to_file_source_id_.erase(it);
}
}
page = std::move(web_page);
update_web_page_instant_view(web_page_id, page->instant_view, std::move(old_instant_view));
auto new_file_ids = get_web_page_file_ids(page.get());
if (old_file_ids != new_file_ids) {
td_->file_manager_->change_files_source(get_web_page_file_source_id(page.get()), old_file_ids, new_file_ids);
}
if (!page->url.empty()) {
on_get_web_page_by_url(page->url, web_page_id, from_database);
}
if (is_changed && !from_database) {
on_web_page_changed(web_page_id, true);
save_web_page(page.get(), web_page_id, from_binlog);
}
}
void WebPagesManager::update_web_page_instant_view(WebPageId web_page_id, WebPageInstantView &new_instant_view,
WebPageInstantView &&old_instant_view) {
LOG(INFO) << "Merge new " << new_instant_view << " and old " << old_instant_view;
bool new_from_database = new_instant_view.was_loaded_from_database;
bool old_from_database = old_instant_view.was_loaded_from_database;
if (new_instant_view.is_empty && !new_from_database) {
// new_instant_view is from server and is empty, need to delete the instant view
if (G()->parameters().use_message_db && (!old_instant_view.is_empty || !old_from_database)) {
// we have no instant view and probably want it to be deleted from database
LOG(INFO) << "Erase instant view of " << web_page_id << " from database";
new_instant_view.was_loaded_from_database = true;
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
return;
}
if (need_use_old_instant_view(new_instant_view, old_instant_view)) {
new_instant_view = std::move(old_instant_view);
}
if (G()->parameters().use_message_db && !new_instant_view.is_empty && new_instant_view.is_loaded) {
// we have instant view and probably want it to be saved
if (!new_from_database && !old_from_database) {
// if it wasn't loaded from the database, load it first
auto &load_web_page_instant_view_queries = load_web_page_instant_view_queries_[web_page_id];
auto previous_queries =
load_web_page_instant_view_queries.partial.size() + load_web_page_instant_view_queries.full.size();
if (previous_queries == 0) {
// try to load it only if there are no pending load queries
load_web_page_instant_view(web_page_id, false, Auto());
return;
}
}
if (!new_instant_view.was_loaded_from_database) {
LOG(INFO) << "Save instant view of " << web_page_id << " to database";
/*
if (web_page_id.get() == 0) {
auto blocks = std::move(new_instant_view.page_blocks);
new_instant_view.page_blocks.clear();
for (size_t i = 0; i < blocks.size(); i++) {
LOG(ERROR) << to_string(blocks[i]->get_page_block_object());
new_instant_view.page_blocks.push_back(std::move(blocks[i]));
log_event_store(new_instant_view);
}
UNREACHABLE();
}
*/
new_instant_view.was_loaded_from_database = true;
G()->td_db()->get_sqlite_pmc()->set(get_web_page_instant_view_database_key(web_page_id),
log_event_store(new_instant_view).as_slice().str(), Auto());
}
}
}
bool WebPagesManager::need_use_old_instant_view(const WebPageInstantView &new_instant_view,
const WebPageInstantView &old_instant_view) {
if (old_instant_view.is_empty || !old_instant_view.is_loaded) {
return false;
}
if (new_instant_view.is_empty || !new_instant_view.is_loaded) {
return true;
}
if (new_instant_view.is_full != old_instant_view.is_full) {
return old_instant_view.is_full;
}
if (new_instant_view.hash == old_instant_view.hash) {
// the same instant view
return !new_instant_view.is_full || old_instant_view.is_full;
}
// data in database is always outdated
return new_instant_view.was_loaded_from_database;
}
void WebPagesManager::on_get_web_page_instant_view_view_count(WebPageId web_page_id, int32 view_count) {
if (get_web_page_instant_view(web_page_id) == nullptr) {
return;
}
auto *instant_view = &web_pages_[web_page_id]->instant_view;
CHECK(!instant_view->is_empty);
if (instant_view->view_count >= view_count) {
return;
}
instant_view->view_count = view_count;
if (G()->parameters().use_message_db) {
LOG(INFO) << "Save instant view of " << web_page_id << " to database after updating view count to " << view_count;
G()->td_db()->get_sqlite_pmc()->set(get_web_page_instant_view_database_key(web_page_id),
log_event_store(*instant_view).as_slice().str(), Auto());
}
}
void WebPagesManager::on_get_web_page_by_url(const string &url, WebPageId web_page_id, bool from_database) {
auto &cached_web_page_id = url_to_web_page_id_[url];
if (!from_database && G()->parameters().use_message_db) {
if (web_page_id.is_valid()) {
if (cached_web_page_id != web_page_id) { // not already saved
G()->td_db()->get_sqlite_pmc()->set(get_web_page_url_database_key(url), to_string(web_page_id.get()), Auto());
}
} else {
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_url_database_key(url), Auto());
}
}
if (cached_web_page_id.is_valid() && web_page_id.is_valid() && web_page_id != cached_web_page_id) {
LOG(ERROR) << "Url \"" << url << "\" preview is changed from " << cached_web_page_id << " to " << web_page_id;
}
cached_web_page_id = web_page_id;
}
void WebPagesManager::register_web_page(WebPageId web_page_id, FullMessageId full_message_id, const char *source) {
if (!web_page_id.is_valid()) {
return;
}
LOG(INFO) << "Register " << web_page_id << " from " << full_message_id << " from " << source;
bool is_inserted = web_page_messages_[web_page_id].insert(full_message_id).second;
LOG_CHECK(is_inserted) << source << " " << web_page_id << " " << full_message_id;
if (!td_->auth_manager_->is_bot() && !have_web_page_force(web_page_id)) {
LOG(INFO) << "Waiting for " << web_page_id << " needed in " << full_message_id;
pending_web_pages_timeout_.add_timeout_in(web_page_id.get(), 1.0);
}
}
void WebPagesManager::unregister_web_page(WebPageId web_page_id, FullMessageId full_message_id, const char *source) {
if (!web_page_id.is_valid()) {
return;
}
LOG(INFO) << "Unregister " << web_page_id << " from " << full_message_id << " from " << source;
auto &message_ids = web_page_messages_[web_page_id];
auto is_deleted = message_ids.erase(full_message_id) > 0;
LOG_CHECK(is_deleted) << source << " " << web_page_id << " " << full_message_id;
if (message_ids.empty()) {
web_page_messages_.erase(web_page_id);
if (pending_get_web_pages_.count(web_page_id) == 0) {
pending_web_pages_timeout_.cancel_timeout(web_page_id.get());
}
}
}
void WebPagesManager::on_get_web_page_preview_success(int64 request_id, const string &url,
tl_object_ptr<telegram_api::MessageMedia> &&message_media_ptr,
Promise<Unit> &&promise) {
CHECK(message_media_ptr != nullptr);
int32 constructor_id = message_media_ptr->get_id();
if (constructor_id != telegram_api::messageMediaWebPage::ID) {
if (constructor_id == telegram_api::messageMediaEmpty::ID) {
on_get_web_page_preview_success(request_id, url, WebPageId(), std::move(promise));
return;
}
LOG(ERROR) << "Receive " << to_string(message_media_ptr) << " instead of web page";
on_get_web_page_preview_fail(request_id, url, Status::Error(500, "Receive not web page in GetWebPagePreview"),
std::move(promise));
return;
}
auto message_media_web_page = move_tl_object_as<telegram_api::messageMediaWebPage>(message_media_ptr);
CHECK(message_media_web_page->webpage_ != nullptr);
auto web_page_id = on_get_web_page(std::move(message_media_web_page->webpage_), DialogId());
if (web_page_id.is_valid() && !have_web_page(web_page_id)) {
pending_get_web_pages_[web_page_id].emplace(request_id,
std::make_pair(url, std::move(promise))); // TODO MultiPromise ?
return;
}
on_get_web_page_preview_success(request_id, url, web_page_id, std::move(promise));
}
void WebPagesManager::on_get_web_page_preview_success(int64 request_id, const string &url, WebPageId web_page_id,
Promise<Unit> &&promise) {
CHECK(web_page_id == WebPageId() || have_web_page(web_page_id));
bool is_inserted = got_web_page_previews_.emplace(request_id, web_page_id).second;
CHECK(is_inserted);
if (web_page_id.is_valid() && !url.empty()) {
on_get_web_page_by_url(url, web_page_id, true);
}
promise.set_value(Unit());
}
void WebPagesManager::on_get_web_page_preview_fail(int64 request_id, const string &url, Status error,
Promise<Unit> &&promise) {
LOG(INFO) << "Clean up getting of web page preview with url \"" << url << '"';
CHECK(error.is_error());
promise.set_error(std::move(error));
}
int64 WebPagesManager::get_web_page_preview(td_api::object_ptr<td_api::formattedText> &&text, Promise<Unit> &&promise) {
auto r_formatted_text = get_formatted_text(td_, DialogId(), std::move(text), false, true, true, true);
if (r_formatted_text.is_error()) {
promise.set_error(r_formatted_text.move_as_error());
return 0;
}
auto formatted_text = r_formatted_text.move_as_ok();
auto url = get_first_url(formatted_text);
if (url.empty()) {
promise.set_value(Unit());
return 0;
}
LOG(INFO) << "Trying to get web page preview for message \"" << formatted_text.text << '"';
int64 request_id = get_web_page_preview_request_id_++;
auto web_page_id = get_web_page_by_url(url);
if (web_page_id.is_valid()) {
got_web_page_previews_[request_id] = web_page_id;
promise.set_value(Unit());
} else {
td_->create_handler<GetWebPagePreviewQuery>(std::move(promise))
->send(
formatted_text.text,
get_input_message_entities(td_->contacts_manager_.get(), formatted_text.entities, "get_web_page_preview"),
request_id, std::move(url));
}
return request_id;
}
tl_object_ptr<td_api::webPage> WebPagesManager::get_web_page_preview_result(int64 request_id) {
if (request_id == 0) {
return nullptr;
}
auto it = got_web_page_previews_.find(request_id);
CHECK(it != got_web_page_previews_.end());
auto web_page_id = it->second;
got_web_page_previews_.erase(it);
return get_web_page_object(web_page_id);
}
void WebPagesManager::get_web_page_instant_view(const string &url, bool force_full, Promise<WebPageId> &&promise) {
LOG(INFO) << "Trying to get web page instant view for the url \"" << url << '"';
if (url.empty()) {
return promise.set_value(WebPageId());
}
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
if (it->second == WebPageId()) {
// ignore negative caching
return reload_web_page_by_url(url, std::move(promise));
}
return get_web_page_instant_view_impl(it->second, force_full, std::move(promise));
}
auto new_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), force_full, promise = std::move(promise)](Result<WebPageId> r_web_page_id) mutable {
if (r_web_page_id.is_error()) {
promise.set_error(r_web_page_id.move_as_error());
} else {
send_closure(actor_id, &WebPagesManager::get_web_page_instant_view_impl, r_web_page_id.ok(), force_full,
std::move(promise));
}
});
load_web_page_by_url(url, std::move(new_promise));
}
void WebPagesManager::get_web_page_instant_view_impl(WebPageId web_page_id, bool force_full,
Promise<WebPageId> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
LOG(INFO) << "Trying to get web page instant view for " << web_page_id;
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(web_page_id);
if (web_page_instant_view == nullptr) {
return promise.set_value(WebPageId());
}
if (!web_page_instant_view->is_loaded || (force_full && !web_page_instant_view->is_full)) {
return load_web_page_instant_view(web_page_id, force_full, std::move(promise));
}
if (force_full) {
reload_web_page_instant_view(web_page_id);
}
promise.set_value(std::move(web_page_id));
}
string WebPagesManager::get_web_page_instant_view_database_key(WebPageId web_page_id) {
return PSTRING() << "wpiv" << web_page_id.get();
}
void WebPagesManager::load_web_page_instant_view(WebPageId web_page_id, bool force_full, Promise<WebPageId> &&promise) {
auto &load_web_page_instant_view_queries = load_web_page_instant_view_queries_[web_page_id];
auto previous_queries =
load_web_page_instant_view_queries.partial.size() + load_web_page_instant_view_queries.full.size();
if (force_full) {
load_web_page_instant_view_queries.full.push_back(std::move(promise));
} else {
load_web_page_instant_view_queries.partial.push_back(std::move(promise));
}
LOG(INFO) << "Load " << web_page_id << " instant view, have " << previous_queries << " previous queries";
if (previous_queries == 0) {
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(web_page_id);
CHECK(web_page_instant_view != nullptr);
if (G()->parameters().use_message_db && !web_page_instant_view->was_loaded_from_database) {
LOG(INFO) << "Trying to load " << web_page_id << " instant view from database";
G()->td_db()->get_sqlite_pmc()->get(
get_web_page_instant_view_database_key(web_page_id),
PromiseCreator::lambda([actor_id = actor_id(this), web_page_id](string value) {
send_closure(actor_id, &WebPagesManager::on_load_web_page_instant_view_from_database, web_page_id,
std::move(value));
}));
} else {
reload_web_page_instant_view(web_page_id);
}
}
}
void WebPagesManager::reload_web_page_instant_view(WebPageId web_page_id) {
LOG(INFO) << "Reload " << web_page_id << " instant view";
const WebPage *web_page = get_web_page(web_page_id);
CHECK(web_page != nullptr && !web_page->instant_view.is_empty);
auto promise = PromiseCreator::lambda([actor_id = actor_id(this), web_page_id](Result<WebPageId> result) {
send_closure(actor_id, &WebPagesManager::update_web_page_instant_view_load_requests, web_page_id, true,
std::move(result));
});
TRY_STATUS_PROMISE(promise, G()->close_status());
td_->create_handler<GetWebPageQuery>(std::move(promise))
->send(web_page_id, web_page->url, web_page->instant_view.is_full ? web_page->instant_view.hash : 0);
}
void WebPagesManager::on_load_web_page_instant_view_from_database(WebPageId web_page_id, string value) {
if (G()->close_flag()) {
return;
}
CHECK(G()->parameters().use_message_db);
LOG(INFO) << "Successfully loaded " << web_page_id << " instant view of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
// value.clear();
WebPage *web_page = web_pages_.get_pointer(web_page_id);
if (web_page == nullptr || web_page->instant_view.is_empty) {
// possible if web page loses preview/instant view
LOG(WARNING) << "There is no instant view in " << web_page_id;
if (!value.empty()) {
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
update_web_page_instant_view_load_requests(web_page_id, true, web_page_id);
return;
}
auto &web_page_instant_view = web_page->instant_view;
if (web_page_instant_view.was_loaded_from_database) {
return;
}
WebPageInstantView result;
if (!value.empty()) {
auto status = log_event_parse(result, value);
if (status.is_error()) {
result = WebPageInstantView();
LOG(ERROR) << "Erase instant view in " << web_page_id << " from database because of " << status.message();
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
}
result.was_loaded_from_database = true;
auto old_file_ids = get_web_page_file_ids(web_page);
update_web_page_instant_view(web_page_id, web_page_instant_view, std::move(result));
auto new_file_ids = get_web_page_file_ids(web_page);
if (old_file_ids != new_file_ids) {
td_->file_manager_->change_files_source(get_web_page_file_source_id(web_page), old_file_ids, new_file_ids);
}
update_web_page_instant_view_load_requests(web_page_id, false, web_page_id);
}
void WebPagesManager::update_web_page_instant_view_load_requests(WebPageId web_page_id, bool force_update,
Result<WebPageId> r_web_page_id) {
if (G()->close_flag()) {
r_web_page_id = Global::request_aborted_error();
}
LOG(INFO) << "Update load requests for " << web_page_id;
auto it = load_web_page_instant_view_queries_.find(web_page_id);
if (it == load_web_page_instant_view_queries_.end()) {
return;
}
vector<Promise<WebPageId>> promises[2];
promises[0] = std::move(it->second.partial);
promises[1] = std::move(it->second.full);
reset_to_empty(it->second.partial);
reset_to_empty(it->second.full);
load_web_page_instant_view_queries_.erase(it);
if (r_web_page_id.is_error()) {
LOG(INFO) << "Receive error " << r_web_page_id.error() << " for load " << web_page_id;
combine(promises[0], std::move(promises[1]));
fail_promises(promises[0], r_web_page_id.move_as_error());
return;
}
auto new_web_page_id = r_web_page_id.move_as_ok();
LOG(INFO) << "Successfully loaded web page " << web_page_id << " as " << new_web_page_id;
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(new_web_page_id);
if (web_page_instant_view == nullptr) {
combine(promises[0], std::move(promises[1]));
for (auto &promise : promises[0]) {
promise.set_value(WebPageId());
}
return;
}
CHECK(new_web_page_id.is_valid());
if (web_page_instant_view->is_loaded) {
if (web_page_instant_view->is_full) {
combine(promises[0], std::move(promises[1]));
}
for (auto &promise : promises[0]) {
promise.set_value(WebPageId(new_web_page_id));
}
reset_to_empty(promises[0]);
}
if (!promises[0].empty() || !promises[1].empty()) {
if (force_update) {
// protection from cycles
LOG(ERROR) << "Expected to receive " << web_page_id << '/' << new_web_page_id
<< " from the server, but didn't receive it";
combine(promises[0], std::move(promises[1]));
for (auto &promise : promises[0]) {
promise.set_value(WebPageId());
}
return;
}
auto &load_queries = load_web_page_instant_view_queries_[new_web_page_id];
auto old_size = load_queries.partial.size() + load_queries.full.size();
combine(load_queries.partial, std::move(promises[0]));
combine(load_queries.full, std::move(promises[1]));
if (old_size == 0) {
reload_web_page_instant_view(new_web_page_id);
}
}
}
WebPageId WebPagesManager::get_web_page_by_url(const string &url) const {
if (url.empty()) {
return WebPageId();
}
LOG(INFO) << "Get web page identifier for the url \"" << url << '"';
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
return it->second;
}
return WebPageId();
}
void WebPagesManager::get_web_page_by_url(const string &url, Promise<WebPageId> &&promise) {
LOG(INFO) << "Trying to get web page identifier for the url \"" << url << '"';
if (url.empty()) {
return promise.set_value(WebPageId());
}
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
return promise.set_value(WebPageId(it->second));
}
load_web_page_by_url(url, std::move(promise));
}
void WebPagesManager::load_web_page_by_url(string url, Promise<WebPageId> &&promise) {
if (url.empty()) {
return promise.set_value(WebPageId());
}
if (!G()->parameters().use_message_db) {
return reload_web_page_by_url(url, std::move(promise));
}
LOG(INFO) << "Load \"" << url << '"';
auto key = get_web_page_url_database_key(url);
G()->td_db()->get_sqlite_pmc()->get(key, PromiseCreator::lambda([actor_id = actor_id(this), url = std::move(url),
promise = std::move(promise)](string value) mutable {
send_closure(actor_id,
&WebPagesManager::on_load_web_page_id_by_url_from_database,
std::move(url), std::move(value), std::move(promise));
}));
}
void WebPagesManager::on_load_web_page_id_by_url_from_database(string url, string value, Promise<WebPageId> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
LOG(INFO) << "Successfully loaded url \"" << url << "\" of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_url_database_key(web_page_id), Auto());
// value.clear();
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
// URL web page has already been loaded
return promise.set_value(WebPageId(it->second));
}
if (!value.empty()) {
auto web_page_id = WebPageId(to_integer<int64>(value));
if (web_page_id.is_valid()) {
if (have_web_page(web_page_id)) {
// URL web page has already been loaded
on_get_web_page_by_url(url, web_page_id, true);
promise.set_value(WebPageId(web_page_id));
return;
}
load_web_page_from_database(web_page_id,
PromiseCreator::lambda([actor_id = actor_id(this), web_page_id, url = std::move(url),
promise = std::move(promise)](Result<Unit> result) mutable {
send_closure(actor_id, &WebPagesManager::on_load_web_page_by_url_from_database,
web_page_id, std::move(url), std::move(promise), std::move(result));
}));
return;
} else {
LOG(ERROR) << "Receive invalid " << web_page_id;
}
}
reload_web_page_by_url(url, std::move(promise));
}
void WebPagesManager::on_load_web_page_by_url_from_database(WebPageId web_page_id, string url,
Promise<WebPageId> &&promise, Result<Unit> &&result) {
if (result.is_error()) {
CHECK(G()->close_flag());
return promise.set_error(Global::request_aborted_error());
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return reload_web_page_by_url(url, std::move(promise));
}
if (web_page->url != url) {
on_get_web_page_by_url(url, web_page_id, true);
}
promise.set_value(WebPageId(web_page_id));
}
void WebPagesManager::reload_web_page_by_url(const string &url, Promise<WebPageId> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
td_->create_handler<GetWebPageQuery>(std::move(promise))->send(WebPageId(), url, 0);
}
SecretInputMedia WebPagesManager::get_secret_input_media(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return SecretInputMedia{};
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return SecretInputMedia{};
}
return SecretInputMedia{nullptr, make_tl_object<secret_api::decryptedMessageMediaWebPage>(web_page->url)};
}
bool WebPagesManager::have_web_page(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return false;
}
return get_web_page(web_page_id) != nullptr;
}
tl_object_ptr<td_api::webPage> WebPagesManager::get_web_page_object(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return nullptr;
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return nullptr;
}
int32 instant_view_version = [web_page] {
if (web_page->instant_view.is_empty) {
return 0;
}
if (web_page->instant_view.is_v2) {
return 2;
}
return 1;
}();
FormattedText description;
description.text = web_page->description;
description.entities = find_entities(web_page->description, true, false);
auto r_url = parse_url(web_page->display_url);
if (r_url.is_ok()) {
Slice host = r_url.ok().host_;
if (!host.empty() && host.back() == '.') {
host.truncate(host.size() - 1);
}
auto replace_entities = [](Slice text, vector<MessageEntity> &entities, auto replace_url) {
int32 current_offset = 0;
for (auto &entity : entities) {
CHECK(entity.offset >= current_offset);
text = utf8_utf16_substr(text, static_cast<size_t>(entity.offset - current_offset));
auto entity_text = utf8_utf16_substr(text, 0, static_cast<size_t>(entity.length));
text = text.substr(entity_text.size());
current_offset = entity.offset + entity.length;
auto replaced_url = replace_url(entity, entity_text);
if (!replaced_url.empty()) {
entity = MessageEntity(MessageEntity::Type::TextUrl, entity.offset, entity.length, std::move(replaced_url));
}
}
};
if (host == "instagram.com" || ends_with(host, ".instagram.com")) {
replace_entities(description.text, description.entities, [](const MessageEntity &entity, Slice text) {
if (entity.type == MessageEntity::Type::Mention) {
return PSTRING() << "https://www.instagram.com/" << text.substr(1) << '/';
}
if (entity.type == MessageEntity::Type::Hashtag) {
return PSTRING() << "https://www.instagram.com/explore/tags/" << url_encode(text.substr(1)) << '/';
}
return string();
});
} else if (host == "twitter.com" || ends_with(host, ".twitter.com")) {
replace_entities(description.text, description.entities, [](const MessageEntity &entity, Slice text) {
if (entity.type == MessageEntity::Type::Mention) {
return PSTRING() << "https://twitter.com/" << text.substr(1);
}
if (entity.type == MessageEntity::Type::Hashtag) {
return PSTRING() << "https://twitter.com/hashtag/" << url_encode(text.substr(1));
}
if (entity.type == MessageEntity::Type::Cashtag) {
return PSTRING() << "https://twitter.com/search?q=" << url_encode(text) << "&src=cashtag_click";
}
return string();
});
} else if (host == "t.me" || host == "telegram.me" || host == "telegram.dog" || host == "telesco.pe") {
// leave everything as is
} else {
td::remove_if(description.entities,
[](const MessageEntity &entity) { return entity.type == MessageEntity::Type::Mention; });
if (host == "youtube.com" || host == "www.youtube.com") {
replace_entities(description.text, description.entities, [](const MessageEntity &entity, Slice text) {
if (entity.type == MessageEntity::Type::Hashtag) {
return PSTRING() << "https://www.youtube.com/results?search_query=" << url_encode(text);
}
return string();
});
} else if (host == "music.youtube.com") {
replace_entities(description.text, description.entities, [](const MessageEntity &entity, Slice text) {
if (entity.type == MessageEntity::Type::Hashtag) {
return PSTRING() << "https://music.youtube.com/search?q=" << url_encode(text);
}
return string();
});
}
}
}
auto duration = get_web_page_media_duration(web_page);
return make_tl_object<td_api::webPage>(
web_page->url, web_page->display_url, web_page->type, web_page->site_name, web_page->title,
get_formatted_text_object(description, true, duration == 0 ? std::numeric_limits<int32>::max() : duration),
get_photo_object(td_->file_manager_.get(), web_page->photo), web_page->embed_url, web_page->embed_type,
web_page->embed_dimensions.width, web_page->embed_dimensions.height, web_page->duration, web_page->author,
web_page->document.type == Document::Type::Animation
? td_->animations_manager_->get_animation_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::Audio
? td_->audios_manager_->get_audio_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::General
? td_->documents_manager_->get_document_object(web_page->document.file_id, PhotoFormat::Jpeg)
: nullptr,
web_page->document.type == Document::Type::Sticker
? td_->stickers_manager_->get_sticker_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::Video
? td_->videos_manager_->get_video_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::VideoNote
? td_->video_notes_manager_->get_video_note_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::VoiceNote
? td_->voice_notes_manager_->get_voice_note_object(web_page->document.file_id)
: nullptr,
instant_view_version);
}
tl_object_ptr<td_api::webPageInstantView> WebPagesManager::get_web_page_instant_view_object(
WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr || web_page->instant_view.is_empty) {
return nullptr;
}
return get_web_page_instant_view_object(web_page_id, &web_page->instant_view, web_page->url);
}
tl_object_ptr<td_api::webPageInstantView> WebPagesManager::get_web_page_instant_view_object(
WebPageId web_page_id, const WebPageInstantView *web_page_instant_view, Slice web_page_url) const {
if (web_page_instant_view == nullptr) {
return nullptr;
}
if (!web_page_instant_view->is_loaded) {
LOG(ERROR) << "Trying to get not loaded web page instant view";
return nullptr;
}
auto feedback_link = td_api::make_object<td_api::internalLinkTypeBotStart>(
"previews", PSTRING() << "webpage" << web_page_id.get(), true);
return td_api::make_object<td_api::webPageInstantView>(
get_page_blocks_object(web_page_instant_view->page_blocks, td_, web_page_instant_view->url, web_page_url),
web_page_instant_view->view_count, web_page_instant_view->is_v2 ? 2 : 1, web_page_instant_view->is_rtl,
web_page_instant_view->is_full, std::move(feedback_link));
}
void WebPagesManager::on_web_page_changed(WebPageId web_page_id, bool have_web_page) {
LOG(INFO) << "Updated " << web_page_id;
auto it = web_page_messages_.find(web_page_id);
if (it != web_page_messages_.end()) {
vector<FullMessageId> full_message_ids;
for (const auto &full_message_id : it->second) {
full_message_ids.push_back(full_message_id);
}
CHECK(!full_message_ids.empty());
for (const auto &full_message_id : full_message_ids) {
if (!have_web_page) {
td_->messages_manager_->delete_pending_message_web_page(full_message_id);
} else {
td_->messages_manager_->on_external_update_message_content(full_message_id);
}
}
if (have_web_page) {
CHECK(web_page_messages_[web_page_id].size() == full_message_ids.size());
} else {
CHECK(web_page_messages_.count(web_page_id) == 0);
}
}
auto get_it = pending_get_web_pages_.find(web_page_id);
if (get_it != pending_get_web_pages_.end()) {
auto requests = std::move(get_it->second);
pending_get_web_pages_.erase(get_it);
for (auto &request : requests) {
on_get_web_page_preview_success(request.first, request.second.first, have_web_page ? web_page_id : WebPageId(),
std::move(request.second.second));
}
}
pending_web_pages_timeout_.cancel_timeout(web_page_id.get());
}
const WebPagesManager::WebPage *WebPagesManager::get_web_page(WebPageId web_page_id) const {
return web_pages_.get_pointer(web_page_id);
}
const WebPagesManager::WebPageInstantView *WebPagesManager::get_web_page_instant_view(WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr || web_page->instant_view.is_empty) {
return nullptr;
}
return &web_page->instant_view;
}
void WebPagesManager::on_pending_web_page_timeout_callback(void *web_pages_manager_ptr, int64 web_page_id_int) {
if (G()->close_flag()) {
return;
}
auto web_pages_manager = static_cast<WebPagesManager *>(web_pages_manager_ptr);
send_closure_later(web_pages_manager->actor_id(web_pages_manager), &WebPagesManager::on_pending_web_page_timeout,
WebPageId(web_page_id_int));
}
void WebPagesManager::on_pending_web_page_timeout(WebPageId web_page_id) {
if (G()->close_flag() || have_web_page(web_page_id)) {
return;
}
int32 count = 0;
auto it = web_page_messages_.find(web_page_id);
if (it != web_page_messages_.end()) {
vector<FullMessageId> full_message_ids;
for (const auto &full_message_id : it->second) {
if (full_message_id.get_dialog_id().get_type() != DialogType::SecretChat) {
full_message_ids.push_back(full_message_id);
}
count++;
}
if (!full_message_ids.empty()) {
send_closure_later(G()->messages_manager(), &MessagesManager::get_messages_from_server,
std::move(full_message_ids), Promise<Unit>(), "on_pending_web_page_timeout", nullptr);
}
}
auto get_it = pending_get_web_pages_.find(web_page_id);
if (get_it != pending_get_web_pages_.end()) {
auto requests = std::move(get_it->second);
pending_get_web_pages_.erase(get_it);
for (auto &request : requests) {
on_get_web_page_preview_fail(request.first, request.second.first, Status::Error(500, "Request timeout exceeded"),
std::move(request.second.second));
count++;
}
}
if (count == 0) {
LOG(WARNING) << "Have no messages and requests waiting for " << web_page_id;
}
}
void WebPagesManager::on_get_web_page_instant_view(WebPage *web_page, tl_object_ptr<telegram_api::page> &&page,
int32 hash, DialogId owner_dialog_id) {
CHECK(page != nullptr);
FlatHashMap<int64, unique_ptr<Photo>> photos;
for (auto &photo_ptr : page->photos_) {
Photo photo = get_photo(td_->file_manager_.get(), std::move(photo_ptr), owner_dialog_id);
if (photo.is_empty() || photo.id.get() == 0) {
LOG(ERROR) << "Receive empty photo in web page instant view for " << web_page->url;
} else {
auto photo_id = photo.id.get();
photos.emplace(photo_id, make_unique<Photo>(std::move(photo)));
}
}
if (!web_page->photo.is_empty() && web_page->photo.id.get() != 0) {
photos.emplace(web_page->photo.id.get(), make_unique<Photo>(web_page->photo));
}
FlatHashMap<int64, FileId> animations;
FlatHashMap<int64, FileId> audios;
FlatHashMap<int64, FileId> documents;
FlatHashMap<int64, FileId> videos;
FlatHashMap<int64, FileId> voice_notes;
FlatHashMap<int64, FileId> others;
auto get_map = [&](Document::Type document_type) {
switch (document_type) {
case Document::Type::Animation:
return &animations;
case Document::Type::Audio:
return &audios;
case Document::Type::General:
return &documents;
case Document::Type::Video:
return &videos;
case Document::Type::VoiceNote:
return &voice_notes;
default:
return &others;
}
};
for (auto &document_ptr : page->documents_) {
if (document_ptr->get_id() == telegram_api::document::ID) {
auto document = move_tl_object_as<telegram_api::document>(document_ptr);
auto document_id = document->id_;
auto parsed_document = td_->documents_manager_->on_get_document(std::move(document), owner_dialog_id);
if (!parsed_document.empty() && document_id != 0) {
get_map(parsed_document.type)->emplace(document_id, parsed_document.file_id);
}
}
}
if (!others.empty()) {
auto file_view = td_->file_manager_->get_file_view(others.begin()->second);
LOG(ERROR) << "Receive document of an unexpected type " << file_view.get_type();
}
auto add_document = [&](const Document &document) {
auto file_view = td_->file_manager_->get_file_view(document.file_id);
if (file_view.has_remote_location()) {
auto document_id = file_view.remote_location().get_id();
if (document_id != 0) {
get_map(document.type)->emplace(document_id, document.file_id);
} else {
LOG(ERROR) << document.type << " has zero ID";
}
} else {
LOG(ERROR) << document.type << " has no remote location";
}
};
if (!web_page->document.empty()) {
add_document(web_page->document);
}
for (auto &document : web_page->documents) {
add_document(document);
}
LOG(INFO) << "Receive a web page instant view with " << page->blocks_.size() << " blocks, " << animations.size()
<< " animations, " << audios.size() << " audios, " << documents.size() << " documents, " << photos.size()
<< " photos, " << videos.size() << " videos and " << voice_notes.size() << " voice notes";
web_page->instant_view.page_blocks =
get_web_page_blocks(td_, std::move(page->blocks_), animations, audios, documents, photos, videos, voice_notes);
web_page->instant_view.view_count = (page->flags_ & telegram_api::page::VIEWS_MASK) != 0 ? page->views_ : 0;
web_page->instant_view.is_v2 = page->v2_;
web_page->instant_view.is_rtl = page->rtl_;
web_page->instant_view.hash = hash;
web_page->instant_view.url = std::move(page->url_);
web_page->instant_view.is_empty = false;
web_page->instant_view.is_full = !page->part_;
web_page->instant_view.is_loaded = true;
LOG(DEBUG) << "Receive web page instant view: "
<< to_string(get_web_page_instant_view_object(WebPageId(), &web_page->instant_view, web_page->url));
}
class WebPagesManager::WebPageLogEvent {
public:
WebPageId web_page_id;
const WebPage *web_page_in;
unique_ptr<WebPage> web_page_out;
WebPageLogEvent() = default;
WebPageLogEvent(WebPageId web_page_id, const WebPage *web_page) : web_page_id(web_page_id), web_page_in(web_page) {
}
template <class StorerT>
void store(StorerT &storer) const {
td::store(web_page_id, storer);
td::store(*web_page_in, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(web_page_id, parser);
td::parse(web_page_out, parser);
}
};
void WebPagesManager::save_web_page(const WebPage *web_page, WebPageId web_page_id, bool from_binlog) {
if (!G()->parameters().use_message_db) {
return;
}
CHECK(web_page != nullptr);
if (!from_binlog) {
WebPageLogEvent log_event(web_page_id, web_page);
auto storer = get_log_event_storer(log_event);
if (web_page->log_event_id == 0) {
web_page->log_event_id = binlog_add(G()->td_db()->get_binlog(), LogEvent::HandlerType::WebPages, storer);
} else {
binlog_rewrite(G()->td_db()->get_binlog(), web_page->log_event_id, LogEvent::HandlerType::WebPages, storer);
}
}
LOG(INFO) << "Save " << web_page_id << " to database";
G()->td_db()->get_sqlite_pmc()->set(
get_web_page_database_key(web_page_id), log_event_store(*web_page).as_slice().str(),
PromiseCreator::lambda([actor_id = actor_id(this), web_page_id](Result<> result) {
send_closure(actor_id, &WebPagesManager::on_save_web_page_to_database, web_page_id, result.is_ok());
}));
}
string WebPagesManager::get_web_page_url_database_key(const string &url) {
return "wpurl" + url;
}
void WebPagesManager::on_binlog_web_page_event(BinlogEvent &&event) {
if (!G()->parameters().use_message_db) {
binlog_erase(G()->td_db()->get_binlog(), event.id_);
return;
}
WebPageLogEvent log_event;
log_event_parse(log_event, event.data_).ensure();
auto web_page_id = log_event.web_page_id;
if (!web_page_id.is_valid()) {
binlog_erase(G()->td_db()->get_binlog(), event.id_);
return;
}
LOG(INFO) << "Add " << web_page_id << " from binlog";
auto web_page = std::move(log_event.web_page_out);
CHECK(web_page != nullptr);
web_page->log_event_id = event.id_;
update_web_page(std::move(web_page), web_page_id, true, false);
}
string WebPagesManager::get_web_page_database_key(WebPageId web_page_id) {
return PSTRING() << "wp" << web_page_id.get();
}
void WebPagesManager::on_save_web_page_to_database(WebPageId web_page_id, bool success) {
if (G()->close_flag()) {
return;
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
LOG(ERROR) << "Can't find " << (success ? "saved " : "failed to save ") << web_page_id;
return;
}
if (!success) {
LOG(ERROR) << "Failed to save " << web_page_id << " to database";
save_web_page(web_page, web_page_id, web_page->log_event_id != 0);
} else {
LOG(INFO) << "Successfully saved " << web_page_id << " to database";
if (web_page->log_event_id != 0) {
LOG(INFO) << "Erase " << web_page_id << " from binlog";
binlog_erase(G()->td_db()->get_binlog(), web_page->log_event_id);
web_page->log_event_id = 0;
}
}
}
void WebPagesManager::load_web_page_from_database(WebPageId web_page_id, Promise<Unit> promise) {
if (!G()->parameters().use_message_db || loaded_from_database_web_pages_.count(web_page_id) ||
!web_page_id.is_valid()) {
promise.set_value(Unit());
return;
}
LOG(INFO) << "Load " << web_page_id << " from database";
auto &load_web_page_queries = load_web_page_from_database_queries_[web_page_id];
load_web_page_queries.push_back(std::move(promise));
if (load_web_page_queries.size() == 1u) {
G()->td_db()->get_sqlite_pmc()->get(get_web_page_database_key(web_page_id),
PromiseCreator::lambda([actor_id = actor_id(this), web_page_id](string value) {
send_closure(actor_id, &WebPagesManager::on_load_web_page_from_database,
web_page_id, std::move(value));
}));
}
}
void WebPagesManager::on_load_web_page_from_database(WebPageId web_page_id, string value) {
if (G()->close_flag()) {
return;
}
CHECK(web_page_id.is_valid());
if (!loaded_from_database_web_pages_.insert(web_page_id).second) {
return;
}
auto it = load_web_page_from_database_queries_.find(web_page_id);
vector<Promise<Unit>> promises;
if (it != load_web_page_from_database_queries_.end()) {
promises = std::move(it->second);
CHECK(!promises.empty());
load_web_page_from_database_queries_.erase(it);
}
LOG(INFO) << "Successfully loaded " << web_page_id << " of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_database_key(web_page_id), Auto());
// value.clear();
if (!have_web_page(web_page_id)) {
if (!value.empty()) {
auto result = make_unique<WebPage>();
auto status = log_event_parse(*result, value);
if (status.is_error()) {
LOG(ERROR) << "Failed to parse web page loaded from database: " << status
<< ", value = " << format::as_hex_dump<4>(Slice(value));
} else {
update_web_page(std::move(result), web_page_id, true, true);
}
}
} else {
// web page has already been loaded from the server
}
set_promises(promises);
}
bool WebPagesManager::have_web_page_force(WebPageId web_page_id) {
return get_web_page_force(web_page_id) != nullptr;
}
const WebPagesManager::WebPage *WebPagesManager::get_web_page_force(WebPageId web_page_id) {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page != nullptr) {
return web_page;
}
if (!G()->parameters().use_message_db) {
return nullptr;
}
if (!web_page_id.is_valid() || loaded_from_database_web_pages_.count(web_page_id)) {
return nullptr;
}
LOG(INFO) << "Trying to load " << web_page_id << " from database";
on_load_web_page_from_database(web_page_id,
G()->td_db()->get_sqlite_sync_pmc()->get(get_web_page_database_key(web_page_id)));
return get_web_page(web_page_id);
}
FileSourceId WebPagesManager::get_web_page_file_source_id(WebPage *web_page) {
if (!web_page->file_source_id.is_valid()) {
web_page->file_source_id = td_->file_reference_manager_->create_web_page_file_source(web_page->url);
}
return web_page->file_source_id;
}
FileSourceId WebPagesManager::get_url_file_source_id(const string &url) {
if (url.empty()) {
return FileSourceId();
}
auto web_page_id = get_web_page_by_url(url);
if (web_page_id.is_valid()) {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page != nullptr) {
if (!web_page->file_source_id.is_valid()) {
web_pages_[web_page_id]->file_source_id =
td_->file_reference_manager_->create_web_page_file_source(web_page->url);
}
return web_page->file_source_id;
}
}
return url_to_file_source_id_[url] = td_->file_reference_manager_->create_web_page_file_source(url);
}
string WebPagesManager::get_web_page_search_text(WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return "";
}
return PSTRING() << web_page->title + " " + web_page->description;
}
int32 WebPagesManager::get_web_page_media_duration(WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return -1;
}
return get_web_page_media_duration(web_page);
}
int32 WebPagesManager::get_web_page_media_duration(const WebPage *web_page) {
if (web_page->document.type == Document::Type::Audio || web_page->document.type == Document::Type::Video ||
web_page->document.type == Document::Type::VideoNote || web_page->document.type == Document::Type::VoiceNote ||
web_page->embed_type == "iframe") {
return web_page->duration;
}
return -1;
}
vector<FileId> WebPagesManager::get_web_page_file_ids(const WebPage *web_page) const {
if (web_page == nullptr) {
return vector<FileId>();
}
vector<FileId> result = photo_get_file_ids(web_page->photo);
if (!web_page->document.empty()) {
web_page->document.append_file_ids(td_, result);
}
for (auto &document : web_page->documents) {
document.append_file_ids(td_, result);
}
if (!web_page->instant_view.is_empty) {
for (auto &page_block : web_page->instant_view.page_blocks) {
page_block->append_file_ids(td_, result);
}
}
return result;
}
} // namespace td
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