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Introduce limit setting for max number of files to be processed in separate index file-listing (#1223)

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Cønstantine Kovalensky 2023-12-18 22:32:24 +04:00 • committed by GitHub
commit 89ca744d85
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4 changed files with 19 additions and 5 deletions
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3
library/config.php
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@ -540,7 +540,8 @@ $bb_cfg['mem_on_start'] = memory_get_usage();
$bb_cfg['translate_dates'] = true; // in displaying time
$bb_cfg['use_word_censor'] = true;
$bb_cfg['show_jumpbox'] = true; // Whether to show jumpbox (on viewtopic.php and viewforum.php)
$bb_cfg['flist_time_limit'] = 15; // Max number of seconds to process file lists before throwing an error
$bb_cfg['flist_timeout'] = 15; // Max number of seconds to process file lists in forum before throwing an error (default: 15)
$bb_cfg['flist_max_files'] = 0; // Max allowed number of files to process for giving out to indexers (0 - unlimited)
$bb_cfg['last_visit_date_format'] = 'd-M H:i';
$bb_cfg['last_post_date_format'] = 'd-M-y H:i';
$bb_cfg['poll_max_days'] = 180; // How many days will the poll be active

13
library/includes/file_list_v2.php
View file

@ -37,7 +37,7 @@ if (empty($row) || empty($row['physical_filename'])) {
if (empty($row['info_hash_v2'])) {
http_response_code(410);
die($lang['BT_V2_FILE_LIST_ONLY']);
die($lang['BT_V2_FLIST_ONLY']);
}
$file_path = get_attachments_dir() . '/' . $row['physical_filename'];
@ -49,6 +49,17 @@ if (!is_file($file_path)) {
$file_contents = file_get_contents($file_path);
if ($bb_cfg['flist_max_files']) {
$filetree_pos = strpos($file_contents, ':file tree');
$files_pos = strpos($file_contents, ':files', $filetree_pos);
$file_count = substr_count(substr($file_contents, $filetree_pos, ($files_pos ? ($files_pos - $filetree_pos) : null)), ':length');
if ($file_count > $bb_cfg['flist_max_files']) {
http_response_code(410);
die(sprintf($lang['BT_V2_FLIST_LIMIT'], $bb_cfg['flist_max_files'], $file_count));
}
}
if (!$torrent = \Arokettu\Bencode\Bencode::decode($file_contents, dictType: \Arokettu\Bencode\Bencode\Collection::ARRAY)) {
http_response_code(410);
die($lang['TORFILE_INVALID']);

4
library/language/source/main.php
View file

@ -532,6 +532,7 @@ $lang['SEARCH_USER_TOPICS'] = 'Find user topics'; // Find all topics by username
$lang['NO_USER_ID_SPECIFIED'] = 'Sorry, but that user does not exist.';
$lang['WRONG_PROFILE'] = 'You cannot modify a profile that is not your own.';
$lang['ONLY_ONE_AVATAR'] = 'Only one type of avatar can be specified';
$lang['FILE_NO_DATA'] = 'The file at the URL you gave contains no data';
$lang['NO_CONNECTION_URL'] = 'A connection could not be made to the URL you gave';
$lang['INCOMPLETE_URL'] = 'The URL you entered is incomplete';
@ -1073,7 +1074,8 @@ $lang['BT_REG_FAIL'] = 'Could not register torrent on tracker';
$lang['BT_REG_FAIL_SAME_HASH'] = 'Another torrent with same info_hash already <a href="%s"><b>registered</b></a>';
$lang['BT_V1_ONLY_DISALLOWED'] = 'v1-only torrents have been disabled by the administrator at the moment, allowed: v2 and hybrids';
$lang['BT_V2_ONLY_DISALLOWED'] = 'v2-only torrents have been disabled by the administrator at the moment, allowed: v1 and hybrids';
$lang['BT_V2_FILE_LIST_ONLY'] = 'Currently, only torrents with BitTorrent version 2 support are enabled for separate file listing';
$lang['BT_V2_FLIST_ONLY'] = 'Currently, only torrents with BitTorrent version 2 support are enabled for separate file listing';
$lang['BT_V2_FLIST_LIMIT'] = 'Tracker settings do not allow to process lists with more than %d files. Current number is: %d';
$lang['BT_UNREG_FROM_TRACKER'] = 'Remove from tracker';
$lang['BT_UNREGISTERED'] = 'Torrent unregistered';
$lang['BT_UNREGISTERED_ALREADY'] = 'Torrent already unregistered';

4
src/Legacy/TorrentFileList.php
View file

@ -46,7 +46,7 @@ class TorrentFileList
$info = &$this->tor_decoded['info'];
if (isset($info['meta version'], $info['file tree'])) { //v2
if (($info['meta version']) === 2 && is_array($info['file tree'])) {
return $this->fileTreeList($info['file tree'], $info['name'] ?? '', $bb_cfg['flist_time_limit']);
return $this->fileTreeList($info['file tree'], $info['name'] ?? '', $bb_cfg['flist_timeout']);
}
}
@ -95,7 +95,7 @@ class TorrentFileList
continue;
}
$structure = array_deep($f['path'], 'clean_tor_dirname', timeout: $bb_cfg['flist_time_limit']);
$structure = array_deep($f['path'], 'clean_tor_dirname', timeout: $bb_cfg['flist_timeout']);
if (isset($structure['timeout'])) {
bb_die("Timeout, too many nested files/directories for file listing, aborting after \n{$structure['recs']} recursive calls.\nNesting level: " . count($info['files'], COUNT_RECURSIVE));
}