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Ignore invalid UTF-8 hashtags from broken database.

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GitOrigin-RevId: 085b83bd70c13d5b4f4d846ca0dba6e9c23b59a7
This commit is contained in:
levlam 2019-11-17 19:30:53 +03:00
parent 35bf5e2f32
commit 15cdfb974a
1 changed files with 7 additions and 1 deletions
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8
td/telegram/HashtagHints.cpp
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@ -13,6 +13,7 @@
#include "td/utils/logging.h" #include "td/utils/logging.h"
#include "td/utils/tl_helpers.h" #include "td/utils/tl_helpers.h"
#include "td/utils/utf8.h"
#include <functional> #include <functional>
@ -73,6 +74,11 @@ string HashtagHints::get_key() const {
} }
void HashtagHints::hashtag_used_impl(const string &hashtag) { void HashtagHints::hashtag_used_impl(const string &hashtag) {
if (!check_utf8(hashtag)) {
LOG(ERROR) << "Trying to add invalid UTF-8 hashtag \"" << hashtag << '"';
return;
}
// TODO: may be it should be optimized a little // TODO: may be it should be optimized a little
auto key = std::hash<std::string>()(hashtag); auto key = std::hash<std::string>()(hashtag);
hints_.add(key, hashtag); hints_.add(key, hashtag);
@ -87,7 +93,7 @@ void HashtagHints::from_db(Result<string> data, bool dummy) {
std::vector<string> hashtags; std::vector<string> hashtags;
auto status = unserialize(hashtags, data.ok()); auto status = unserialize(hashtags, data.ok());
if (status.is_error()) { if (status.is_error()) {
LOG(ERROR) << status; LOG(ERROR) << "Failed to unserialize hashtag hints: " << status;
return; return;
} }