diff options
Diffstat (limited to 'phpBB/includes/functions_admin.php')
| -rw-r--r-- | phpBB/includes/functions_admin.php | 459 |
1 files changed, 352 insertions, 107 deletions
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php index 79282c0358..d42a81fa35 100644 --- a/phpBB/includes/functions_admin.php +++ b/phpBB/includes/functions_admin.php @@ -17,95 +17,47 @@ if (!defined('IN_PHPBB')) } /** -* Recalculate Binary Tree -function recalc_btree($sql_id, $sql_table, $module_class = '') +* Recalculate Nested Sets +* +* @param int $new_id first left_id (should start with 1) +* @param string $pkey primary key-column (containing the id for the parent_id of the children) +* @param string $table constant or fullname of the table +* @param int $parent_id parent_id of the current set (default = 0) +* @param array $where contains strings to compare closer on the where statement (additional) +* +* @author EXreaction +*/ +function recalc_nested_sets(&$new_id, $pkey, $table, $parent_id = 0, $where = array()) { global $db; - if (!$sql_id || !$sql_table) - { - return; - } - - $sql_where = ($module_class) ? " WHERE module_class = '" . $db->sql_escape($module_class) . "'" : ''; - - // Reset to minimum possible left and right id - $sql = "SELECT MIN(left_id) as min_left_id, MIN(right_id) as min_right_id - FROM $sql_table - $sql_where"; + $sql = 'SELECT * + FROM ' . $table . ' + WHERE parent_id = ' . (int) $parent_id . + ((!empty($where)) ? ' AND ' . implode(' AND ', $where) : '') . ' + ORDER BY left_id ASC'; $result = $db->sql_query($sql); - $row = $db->sql_fetchrow($result); - $db->sql_freeresult($result); - - $substract = (int) (min($row['min_left_id'], $row['min_right_id']) - 1); - - if ($substract > 0) - { - $sql = "UPDATE $sql_table - SET left_id = left_id - $substract, right_id = right_id - $substract - $sql_where"; - $db->sql_query($sql); - } - - $sql = "SELECT $sql_id, parent_id, left_id, right_id - FROM $sql_table - $sql_where - ORDER BY left_id ASC, parent_id ASC, $sql_id ASC"; - $f_result = $db->sql_query($sql); - - while ($item_data = $db->sql_fetchrow($f_result)) + while ($row = $db->sql_fetchrow($result)) { - if ($item_data['parent_id']) + // First we update the left_id for this module + if ($row['left_id'] != $new_id) { - $sql = "SELECT left_id, right_id - FROM $sql_table - $sql_where " . (($sql_where) ? 'AND' : 'WHERE') . " - $sql_id = {$item_data['parent_id']}"; - $result = $db->sql_query($sql); - - if (!$row = $db->sql_fetchrow($result)) - { - $sql = "UPDATE $sql_table SET parent_id = 0 WHERE $sql_id = " . $item_data[$sql_id]; - $db->sql_query($sql); - } - $db->sql_freeresult($result); - - $sql = "UPDATE $sql_table - SET left_id = left_id + 2, right_id = right_id + 2 - $sql_where " . (($sql_where) ? 'AND' : 'WHERE') . " - left_id > {$row['right_id']}"; - $db->sql_query($sql); + $db->sql_query('UPDATE ' . $table . ' SET ' . $db->sql_build_array('UPDATE', array('left_id' => $new_id)) . " WHERE $pkey = {$row[$pkey]}"); + } + $new_id++; - $sql = "UPDATE $sql_table - SET right_id = right_id + 2 - $sql_where " . (($sql_where) ? 'AND' : 'WHERE') . " - {$row['left_id']} BETWEEN left_id AND right_id"; - $db->sql_query($sql); + // Then we go through any children and update their left/right id's + recalc_nested_sets($new_id, $pkey, $table, $row[$pkey], $where); - $item_data['left_id'] = $row['right_id']; - $item_data['right_id'] = $row['right_id'] + 1; - } - else + // Then we come back and update the right_id for this module + if ($row['right_id'] != $new_id) { - $sql = "SELECT MAX(right_id) AS right_id - FROM $sql_table - $sql_where"; - $result = $db->sql_query($sql); - $row = $db->sql_fetchrow($result); - $db->sql_freeresult($result); - - $item_data['left_id'] = $row['right_id'] + 1; - $item_data['right_id'] = $row['right_id'] + 2; + $db->sql_query('UPDATE ' . $table . ' SET ' . $db->sql_build_array('UPDATE', array('right_id' => $new_id)) . " WHERE $pkey = {$row[$pkey]}"); } - - $sql = "UPDATE $sql_table - SET left_id = {$item_data['left_id']}, right_id = {$item_data['right_id']} - WHERE $sql_id = " . $item_data[$sql_id]; - $db->sql_query($sql); + $new_id++; } - $db->sql_freeresult($f_result); + $db->sql_freeresult($result); } -*/ /** * Simple version of jumpbox, just lists authed forums @@ -117,7 +69,7 @@ function make_forum_select($select_id = false, $ignore_id = false, $ignore_acl = $acl = ($ignore_acl) ? '' : (($only_acl_post) ? 'f_post' : array('f_list', 'a_forum', 'a_forumadd', 'a_forumdel')); // This query is identical to the jumpbox one - $sql = 'SELECT forum_id, forum_name, parent_id, forum_type, left_id, right_id + $sql = 'SELECT forum_id, forum_name, parent_id, forum_type, forum_flags, forum_options, left_id, right_id FROM ' . FORUMS_TABLE . ' ORDER BY left_id ASC'; $result = $db->sql_query($sql, 600); @@ -355,11 +307,156 @@ function get_forum_branch($forum_id, $type = 'all', $order = 'descending', $incl } /** +* Copies permissions from one forum to others +* +* @param int $src_forum_id The source forum we want to copy permissions from +* @param array $dest_forum_ids The destination forum(s) we want to copy to +* @param bool $clear_dest_perms True if destination permissions should be deleted +* @param bool $add_log True if log entry should be added +* +* @return bool False on error +* +* @author bantu +*/ +function copy_forum_permissions($src_forum_id, $dest_forum_ids, $clear_dest_perms = true, $add_log = true) +{ + global $db; + + // Only one forum id specified + if (!is_array($dest_forum_ids)) + { + $dest_forum_ids = array($dest_forum_ids); + } + + // Make sure forum ids are integers + $src_forum_id = (int) $src_forum_id; + $dest_forum_ids = array_map('intval', $dest_forum_ids); + + // No source forum or no destination forums specified + if (empty($src_forum_id) || empty($dest_forum_ids)) + { + return false; + } + + // Check if source forum exists + $sql = 'SELECT forum_name + FROM ' . FORUMS_TABLE . ' + WHERE forum_id = ' . $src_forum_id; + $result = $db->sql_query($sql); + $src_forum_name = $db->sql_fetchfield('forum_name'); + $db->sql_freeresult($result); + + // Source forum doesn't exist + if (empty($src_forum_name)) + { + return false; + } + + // Check if destination forums exists + $sql = 'SELECT forum_id, forum_name + FROM ' . FORUMS_TABLE . ' + WHERE ' . $db->sql_in_set('forum_id', $dest_forum_ids); + $result = $db->sql_query($sql); + + $dest_forum_ids = $dest_forum_names = array(); + while ($row = $db->sql_fetchrow($result)) + { + $dest_forum_ids[] = (int) $row['forum_id']; + $dest_forum_names[] = $row['forum_name']; + } + $db->sql_freeresult($result); + + // No destination forum exists + if (empty($dest_forum_ids)) + { + return false; + } + + // From the mysql documentation: + // Prior to MySQL 4.0.14, the target table of the INSERT statement cannot appear + // in the FROM clause of the SELECT part of the query. This limitation is lifted in 4.0.14. + // Due to this we stay on the safe side if we do the insertion "the manual way" + + // Rowsets we're going to insert + $users_sql_ary = $groups_sql_ary = array(); + + // Query acl users table for source forum data + $sql = 'SELECT user_id, auth_option_id, auth_role_id, auth_setting + FROM ' . ACL_USERS_TABLE . ' + WHERE forum_id = ' . $src_forum_id; + $result = $db->sql_query($sql); + + while ($row = $db->sql_fetchrow($result)) + { + $row = array( + 'user_id' => (int) $row['user_id'], + 'auth_option_id' => (int) $row['auth_option_id'], + 'auth_role_id' => (int) $row['auth_role_id'], + 'auth_setting' => (int) $row['auth_setting'], + ); + + foreach ($dest_forum_ids as $dest_forum_id) + { + $users_sql_ary[] = $row + array('forum_id' => $dest_forum_id); + } + } + $db->sql_freeresult($result); + + // Query acl groups table for source forum data + $sql = 'SELECT group_id, auth_option_id, auth_role_id, auth_setting + FROM ' . ACL_GROUPS_TABLE . ' + WHERE forum_id = ' . $src_forum_id; + $result = $db->sql_query($sql); + + while ($row = $db->sql_fetchrow($result)) + { + $row = array( + 'group_id' => (int) $row['group_id'], + 'auth_option_id' => (int) $row['auth_option_id'], + 'auth_role_id' => (int) $row['auth_role_id'], + 'auth_setting' => (int) $row['auth_setting'], + ); + + foreach ($dest_forum_ids as $dest_forum_id) + { + $groups_sql_ary[] = $row + array('forum_id' => $dest_forum_id); + } + } + $db->sql_freeresult($result); + + $db->sql_transaction('begin'); + + // Clear current permissions of destination forums + if ($clear_dest_perms) + { + $sql = 'DELETE FROM ' . ACL_USERS_TABLE . ' + WHERE ' . $db->sql_in_set('forum_id', $dest_forum_ids); + $db->sql_query($sql); + + $sql = 'DELETE FROM ' . ACL_GROUPS_TABLE . ' + WHERE ' . $db->sql_in_set('forum_id', $dest_forum_ids); + $db->sql_query($sql); + } + + $db->sql_multi_insert(ACL_USERS_TABLE, $users_sql_ary); + $db->sql_multi_insert(ACL_GROUPS_TABLE, $groups_sql_ary); + + if ($add_log) + { + add_log('admin', 'LOG_FORUM_COPIED_PERMISSIONS', $src_forum_name, implode(', ', $dest_forum_names)); + } + + $db->sql_transaction('commit'); + + return true; +} + +/** * Get physical file listing */ function filelist($rootdir, $dir = '', $type = 'gif|jpg|jpeg|png') { - $matches = array(); + $matches = array($dir => array()); // Remove initial / if present $rootdir = (substr($rootdir, 0, 1) == '/') ? substr($rootdir, 1) : $rootdir; @@ -940,19 +1037,61 @@ function delete_attachments($mode, $ids, $resync = true) // Update post indicators for posts now no longer having attachments if (sizeof($post_ids)) { - $sql = 'UPDATE ' . POSTS_TABLE . ' - SET post_attachment = 0 - WHERE ' . $db->sql_in_set('post_id', $post_ids); - $db->sql_query($sql); + // Just check which posts are still having an assigned attachment not orphaned by querying the attachments table + $sql = 'SELECT post_msg_id + FROM ' . ATTACHMENTS_TABLE . ' + WHERE ' . $db->sql_in_set('post_msg_id', $post_ids) . ' + AND in_message = 0 + AND is_orphan = 0'; + $result = $db->sql_query($sql); + + $remaining_ids = array(); + while ($row = $db->sql_fetchrow($result)) + { + $remaining_ids[] = $row['post_msg_id']; + } + $db->sql_freeresult($result); + + // Now only unset those ids remaining + $post_ids = array_diff($post_ids, $remaining_ids); + + if (sizeof($post_ids)) + { + $sql = 'UPDATE ' . POSTS_TABLE . ' + SET post_attachment = 0 + WHERE ' . $db->sql_in_set('post_id', $post_ids); + $db->sql_query($sql); + } } // Update message table if messages are affected if (sizeof($message_ids)) { - $sql = 'UPDATE ' . PRIVMSGS_TABLE . ' - SET message_attachment = 0 - WHERE ' . $db->sql_in_set('msg_id', $message_ids); - $db->sql_query($sql); + // Just check which messages are still having an assigned attachment not orphaned by querying the attachments table + $sql = 'SELECT post_msg_id + FROM ' . ATTACHMENTS_TABLE . ' + WHERE ' . $db->sql_in_set('post_msg_id', $message_ids) . ' + AND in_message = 1 + AND is_orphan = 0'; + $result = $db->sql_query($sql); + + $remaining_ids = array(); + while ($row = $db->sql_fetchrow($result)) + { + $remaining_ids[] = $row['post_msg_id']; + } + $db->sql_freeresult($result); + + // Now only unset those ids remaining + $message_ids = array_diff($message_ids, $remaining_ids); + + if (sizeof($message_ids)) + { + $sql = 'UPDATE ' . PRIVMSGS_TABLE . ' + SET message_attachment = 0 + WHERE ' . $db->sql_in_set('msg_id', $message_ids); + $db->sql_query($sql); + } } // Now update the topics. This is a bit trickier, because there could be posts still having attachments within the topic @@ -1098,7 +1237,7 @@ function phpbb_unlink($filename, $mode = 'file', $entry_removed = false) // Because of copying topics or modifications a physical filename could be assigned more than once. If so, do not remove the file itself. $sql = 'SELECT COUNT(attach_id) AS num_entries FROM ' . ATTACHMENTS_TABLE . " - WHERE physical_filename = '" . $db->sql_escape(basename($filename)) . "'"; + WHERE physical_filename = '" . $db->sql_escape(utf8_basename($filename)) . "'"; $result = $db->sql_query($sql); $num_entries = (int) $db->sql_fetchfield('num_entries'); $db->sql_freeresult($result); @@ -1109,7 +1248,7 @@ function phpbb_unlink($filename, $mode = 'file', $entry_removed = false) return false; } - $filename = ($mode == 'thumbnail') ? 'thumb_' . basename($filename) : basename($filename); + $filename = ($mode == 'thumbnail') ? 'thumb_' . utf8_basename($filename) : utf8_basename($filename); return @unlink($phpbb_root_path . $config['upload_path'] . '/' . $filename); } @@ -1193,6 +1332,7 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, switch ($mode) { case 'topic_moved': + $db->sql_transaction('begin'); switch ($db->sql_layer) { case 'mysql4': @@ -1229,9 +1369,13 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, break; } - break; + + $db->sql_transaction('commit'); + break; case 'topic_approved': + + $db->sql_transaction('begin'); switch ($db->sql_layer) { case 'mysql4': @@ -1267,11 +1411,15 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, $db->sql_query($sql); break; } - break; + + $db->sql_transaction('commit'); + break; case 'post_reported': $post_ids = $post_reported = array(); + $db->sql_transaction('begin'); + $sql = 'SELECT p.post_id, p.post_reported FROM ' . POSTS_TABLE . " p $where_sql @@ -1322,7 +1470,9 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, WHERE ' . $db->sql_in_set('post_id', $post_ids); $db->sql_query($sql); } - break; + + $db->sql_transaction('commit'); + break; case 'topic_reported': if ($sync_extra) @@ -1332,6 +1482,8 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, $topic_ids = $topic_reported = array(); + $db->sql_transaction('begin'); + $sql = 'SELECT DISTINCT(t.topic_id) FROM ' . POSTS_TABLE . " t $where_sql_and t.post_reported = 1"; @@ -1364,11 +1516,15 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, WHERE ' . $db->sql_in_set('topic_id', $topic_ids); $db->sql_query($sql); } - break; + + $db->sql_transaction('commit'); + break; case 'post_attachment': $post_ids = $post_attachment = array(); + $db->sql_transaction('begin'); + $sql = 'SELECT p.post_id, p.post_attachment FROM ' . POSTS_TABLE . " p $where_sql @@ -1419,7 +1575,9 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, WHERE ' . $db->sql_in_set('post_id', $post_ids); $db->sql_query($sql); } - break; + + $db->sql_transaction('commit'); + break; case 'topic_attachment': if ($sync_extra) @@ -1429,6 +1587,8 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, $topic_ids = $topic_attachment = array(); + $db->sql_transaction('begin'); + $sql = 'SELECT DISTINCT(t.topic_id) FROM ' . POSTS_TABLE . " t $where_sql_and t.post_attachment = 1"; @@ -1461,10 +1621,15 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, WHERE ' . $db->sql_in_set('topic_id', $topic_ids); $db->sql_query($sql); } - break; + + $db->sql_transaction('commit'); + + break; case 'forum': + $db->sql_transaction('begin'); + // 1: Get the list of all forums $sql = 'SELECT f.* FROM ' . FORUMS_TABLE . " f @@ -1665,11 +1830,15 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, $db->sql_query($sql); } } - break; + + $db->sql_transaction('commit'); + break; case 'topic': $topic_data = $post_ids = $approved_unapproved_ids = $resync_forums = $delete_topics = $delete_posts = $moved_topics = array(); + $db->sql_transaction('begin'); + $sql = 'SELECT t.topic_id, t.forum_id, t.topic_moved_id, t.topic_approved, ' . (($sync_extra) ? 't.topic_attachment, t.topic_reported, ' : '') . 't.topic_poster, t.topic_time, t.topic_replies, t.topic_replies_real, t.topic_first_post_id, t.topic_first_poster_name, t.topic_first_poster_colour, t.topic_last_post_id, t.topic_last_post_subject, t.topic_last_poster_id, t.topic_last_poster_name, t.topic_last_poster_colour, t.topic_last_post_time FROM ' . TOPICS_TABLE . " t $where_sql"; @@ -1992,6 +2161,8 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, } unset($topic_data); + $db->sql_transaction('commit'); + // if some topics have been resync'ed then resync parent forums // except when we're only syncing a range, we don't want to sync forums during // batch processing. @@ -1999,7 +2170,7 @@ function sync($mode, $where_type = '', $where_ids = '', $resync_parents = false, { sync('forum', 'forum_id', array_values($resync_forums), true, true); } - break; + break; } return; @@ -2185,12 +2356,13 @@ function cache_moderators() // Remove users who have group memberships with DENY moderator permissions $sql = $db->sql_build_query('SELECT', array( - 'SELECT' => 'a.forum_id, ug.user_id', + 'SELECT' => 'a.forum_id, ug.user_id, g.group_id', 'FROM' => array( ACL_OPTIONS_TABLE => 'o', USER_GROUP_TABLE => 'ug', - ACL_GROUPS_TABLE => 'a' + ACL_GROUPS_TABLE => 'a', + GROUPS_TABLE => 'g', ), 'LEFT_JOIN' => array( @@ -2204,6 +2376,8 @@ function cache_moderators() AND ((a.auth_setting = ' . ACL_NEVER . ' AND r.auth_setting IS NULL) OR r.auth_setting = ' . ACL_NEVER . ') AND a.group_id = ug.group_id + AND g.group_id = ug.group_id + AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1) AND ' . $db->sql_in_set('ug.user_id', $ug_id_ary) . " AND ug.user_pending = 0 AND o.auth_option " . $db->sql_like_expression('m_' . $db->any_char), @@ -2323,7 +2497,7 @@ function cache_moderators() /** * View log */ -function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id = 0, $topic_id = 0, $user_id = 0, $limit_days = 0, $sort_by = 'l.log_time DESC') +function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id = 0, $topic_id = 0, $user_id = 0, $limit_days = 0, $sort_by = 'l.log_time DESC', $keywords = '') { global $db, $user, $auth, $phpEx, $phpbb_root_path, $phpbb_admin_path; @@ -2343,15 +2517,15 @@ function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id if ($topic_id) { - $sql_forum = 'AND l.topic_id = ' . intval($topic_id); + $sql_forum = 'AND l.topic_id = ' . (int) $topic_id; } else if (is_array($forum_id)) { $sql_forum = 'AND ' . $db->sql_in_set('l.forum_id', array_map('intval', $forum_id)); } - else + else if ($forum_id) { - $sql_forum = ($forum_id) ? 'AND l.forum_id = ' . intval($forum_id) : ''; + $sql_forum = 'AND l.forum_id = ' . (int) $forum_id; } break; @@ -2374,11 +2548,40 @@ function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id return; } + $keywords = preg_split('#[\s+\-|*()]+#u', utf8_strtolower(preg_quote($keywords, '#')), 0, PREG_SPLIT_NO_EMPTY); + $sql_keywords = ''; + + if (!empty($keywords)) + { + $keywords_pattern = '#' . implode('|', $keywords) . '#ui'; + for ($i = 0, $num_keywords = sizeof($keywords); $i < $num_keywords; $i++) + { + $keywords[$i] = $db->sql_like_expression($db->any_char . $keywords[$i] . $db->any_char); + } + + $operations = array(); + foreach ($user->lang as $key => $value) + { + if (substr($key, 0, 4) == 'LOG_' && preg_match($keywords_pattern, $value)) + { + $operations[] = $key; + } + } + + $sql_keywords = 'AND ('; + if (!empty($operations)) + { + $sql_keywords .= $db->sql_in_set('l.log_operation', $operations) . ' OR '; + } + $sql_keywords .= 'LOWER(l.log_data) ' . implode(' OR LOWER(l.log_data) ', $keywords) . ')'; + } + $sql = "SELECT l.*, u.username, u.username_clean, u.user_colour FROM " . LOG_TABLE . " l, " . USERS_TABLE . " u WHERE l.log_type = $log_type AND u.user_id = l.user_id " . (($limit_days) ? "AND l.log_time >= $limit_days" : '') . " + $sql_keywords $sql_forum ORDER BY $sort_by"; $result = $db->sql_query_limit($sql, $limit, $offset); @@ -2419,7 +2622,8 @@ function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id if (!empty($row['log_data'])) { - $log_data_ary = unserialize($row['log_data']); + $log_data_ary = @unserialize($row['log_data']); + $log_data_ary = ($log_data_ary === false) ? array() : $log_data_ary; if (isset($user->lang[$row['log_operation']])) { @@ -2442,7 +2646,7 @@ function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id $log[$i]['action'] = bbcode_nl2br(censor_text($log[$i]['action'])); } } - else + else if (!empty($log_data_ary)) { $log[$i]['action'] .= '<br />' . implode('', $log_data_ary); } @@ -2540,9 +2744,11 @@ function view_log($mode, &$log, &$log_count, $limit = 0, $offset = 0, $forum_id } $sql = 'SELECT COUNT(l.log_id) AS total_entries - FROM ' . LOG_TABLE . " l + FROM ' . LOG_TABLE . ' l, ' . USERS_TABLE . " u WHERE l.log_type = $log_type + AND l.user_id = u.user_id AND l.log_time >= $limit_days + $sql_keywords $sql_forum"; $result = $db->sql_query($sql); $log_count = (int) $db->sql_fetchfield('total_entries'); @@ -2685,7 +2891,7 @@ function view_inactive_users(&$users, &$user_count, $limit = 0, $offset = 0, $li $offset = ($offset - $limit < 0) ? 0 : $offset - $limit; } - $sql = 'SELECT user_id, username, user_regdate, user_lastvisit, user_inactive_time, user_inactive_reason + $sql = 'SELECT * FROM ' . USERS_TABLE . ' WHERE user_type = ' . USER_INACTIVE . (($limit_days) ? " AND user_inactive_time >= $limit_days" : '') . " @@ -3054,4 +3260,43 @@ function add_permission_language() return true; } +/** + * Obtains the latest version information + * + * @param bool $force_update Ignores cached data. Defaults to false. + * @param bool $warn_fail Trigger a warning if obtaining the latest version information fails. Defaults to false. + * @param int $ttl Cache version information for $ttl seconds. Defaults to 86400 (24 hours). + * + * @return string | false Version info on success, false on failure. + */ +function obtain_latest_version_info($force_update = false, $warn_fail = false, $ttl = 86400) +{ + global $cache; + + $info = $cache->get('versioncheck'); + + if ($info === false || $force_update) + { + $errstr = ''; + $errno = 0; + + $info = get_remote_file('www.phpbb.com', '/updatecheck', + ((defined('PHPBB_QA')) ? '30x_qa.txt' : '30x.txt'), $errstr, $errno); + + if ($info === false) + { + $cache->destroy('versioncheck'); + if ($warn_fail) + { + trigger_error($errstr, E_USER_WARNING); + } + return false; + } + + $cache->put('versioncheck', $info, $ttl); + } + + return $info; +} + ?>
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