Your IP : 3.14.129.194
<?php
/**
* This file is part of Google SEO plugin for MyBB.
* Copyright (C) 2008-2011 Andreas Klauer <Andreas.Klauer@metamorpher.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Disallow direct access to this file for security reasons
if(!defined("IN_MYBB"))
{
die("Direct initialization of this file is not allowed.<br /><br />
Please make sure IN_MYBB is defined.");
}
/* --- Global Variables: --- */
global $db, $mybb, $settings, $plugins, $cache;
// Required for database queries to the google_seo table. In theory this
// could be used to coerce Google SEO into managing URLs of other types.
// In practice there is no guarantee that this API will stay stable.
$db->google_seo_url = array(
GOOGLE_SEO_USER => array(
'table' => TABLE_PREFIX.'users',
'id' => 'uid',
'name' => 'username',
'scheme' => str_replace('&', '&', $settings['google_seo_url_users']),
),
GOOGLE_SEO_ANNOUNCEMENT => array(
'table' => TABLE_PREFIX.'announcements',
'id' => 'aid',
'name' => 'subject',
'scheme' => str_replace('&', '&', $settings['google_seo_url_announcements']),
),
GOOGLE_SEO_FORUM => array(
'table' => TABLE_PREFIX.'forums',
'id' => 'fid',
'name' => 'name',
'scheme' => str_replace('&', '&', $settings['google_seo_url_forums']),
),
GOOGLE_SEO_THREAD => array(
'table' => TABLE_PREFIX.'threads',
'id' => 'tid',
'name' => 'subject',
'scheme' => str_replace('&', '&', $settings['google_seo_url_threads']),
),
GOOGLE_SEO_EVENT => array(
'table' => TABLE_PREFIX.'events',
'id' => 'eid',
'name' => 'name',
'scheme' => str_replace('&', '&', $settings['google_seo_url_events']),
),
GOOGLE_SEO_CALENDAR => array(
'table' => TABLE_PREFIX.'calendars',
'id' => 'cid',
'name' => 'name',
'scheme' => str_replace('&', '&', $settings['google_seo_url_calendars']),
),
);
// Lazy Mode.
global $google_seo_url_lazy;
$google_seo_url_lazy = false;
if($settings['google_seo_url_mode'] == 'lazy'
&& $mybb->request_method != 'post')
{
$google_seo_url_lazy = random_str(4);
$db->google_seo_url[GOOGLE_SEO_ANNOUNCEMENT]['lazy'] = "announcements.php?aid={id}&google_seo={$google_seo_url_lazy}";
$db->google_seo_url[GOOGLE_SEO_CALENDAR]['lazy'] = "calendar.php?calendar={id}&google_seo={$google_seo_url_lazy}";
$db->google_seo_url[GOOGLE_SEO_EVENT]['lazy'] = "calendar.php?action=event&eid={id}&google_seo={$google_seo_url_lazy}";
$db->google_seo_url[GOOGLE_SEO_FORUM]['lazy'] = "forumdisplay.php?fid={id}&google_seo={$google_seo_url_lazy}";
$db->google_seo_url[GOOGLE_SEO_THREAD]['lazy'] = "showthread.php?tid={id}&google_seo={$google_seo_url_lazy}";
$db->google_seo_url[GOOGLE_SEO_USER]['lazy'] = "member.php?action=profile&uid={id}&google_seo={$google_seo_url_lazy}";
$google_seo_url_lazy = true;
}
// Thread Prefix
if($settings['google_seo_url_threadprefix'])
{
$db->google_seo_url[GOOGLE_SEO_THREAD]['extra'] .= ',prefix';
}
// Parents
if($db->google_seo_url[GOOGLE_SEO_FORUM]['scheme'])
{
if($settings['google_seo_url_parent_announcement'])
{
$db->google_seo_url[GOOGLE_SEO_ANNOUNCEMENT]['extra'] .= ',fid AS parent';
$db->google_seo_url[GOOGLE_SEO_ANNOUNCEMENT]['parent'] = $settings['google_seo_url_parent_announcement'];
$db->google_seo_url[GOOGLE_SEO_ANNOUNCEMENT]['parent_type'] = GOOGLE_SEO_FORUM;
}
if($settings['google_seo_url_parent_forum'])
{
$db->google_seo_url[GOOGLE_SEO_FORUM]['extra'] .= ',pid AS parent';
$db->google_seo_url[GOOGLE_SEO_FORUM]['parent'] = $settings['google_seo_url_parent_forum'];
$db->google_seo_url[GOOGLE_SEO_FORUM]['parent_type'] = GOOGLE_SEO_FORUM;
}
if($settings['google_seo_url_parent_thread'])
{
$db->google_seo_url[GOOGLE_SEO_THREAD]['extra'] .= ',fid AS parent';
$db->google_seo_url[GOOGLE_SEO_THREAD]['parent'] = $settings['google_seo_url_parent_thread'];
$db->google_seo_url[GOOGLE_SEO_THREAD]['parent_type'] = GOOGLE_SEO_FORUM;
}
}
if($db->google_seo_url[GOOGLE_SEO_CALENDAR]['scheme']
&& $settings['google_seo_url_parent_event'])
{
$db->google_seo_url[GOOGLE_SEO_EVENT]['extra'] .= ',cid AS parent';
$db->google_seo_url[GOOGLE_SEO_EVENT]['parent'] = $settings['google_seo_url_parent_event'];
$db->google_seo_url[GOOGLE_SEO_EVENT]['parent_type'] = GOOGLE_SEO_CALENDAR;
}
// Query limit. Decreases by 1 for every query.
$db->google_seo_query_limit = (int)$settings['google_seo_url_query_limit'];
if($db->google_seo_query_limit <= 0)
{
$db->google_seo_query_limit = 32767;
}
// Cache
global $google_seo_url_cache;
if($settings['google_seo_url_cache'])
{
$data = $cache->read('google_seo_url');
if(is_array($data) && $data['time'] >= TIME_NOW)
{
$google_seo_url_cache = $data;
}
if(in_array(THIS_SCRIPT, explode(",", $settings['google_seo_url_cache'])))
{
$plugins->add_hook("post_output_page", "google_seo_url_cache_hook", 100);
}
}
// There are several more global variables defined in functions below.
/* --- Hooks: --- */
$plugins->add_hook("moderation_do_merge", "google_seo_url_merge_hook", 1);
$plugins->add_hook("moderation_do_multimoveposts", "google_seo_url_merge_hook", 1);
$plugins->add_hook("class_moderation_merge_threads", "google_seo_url_after_merge_hook");
// Originally a global_start hook, it's called too late for session location
google_seo_url_hook();
/* --- URL processing: --- */
/**
* Character translation for URLs (optional).
*
* @param string The input string
* @return string The output string
*/
function google_seo_url_translation($str)
{
// Required for URL translation.
global $settings;
global $google_seo_url_translation;
if(!is_array($google_seo_url_translation))
{
// Build the translation array.
$google_seo_translation = array();
$lines = explode("\n", $settings['google_seo_url_translation']);
foreach($lines as $line)
{
$fields = explode('=', $line);
if(count($fields) == 2)
{
$key = trim($fields[0]);
if(strlen($key))
{
$value = trim($fields[1]);
$google_seo_url_translation[$key] = $value;
}
}
}
}
if($google_seo_url_translation)
{
$str = strtr($str, $google_seo_url_translation);
}
return $str;
}
/**
* Separate a string by punctuation for use in URLs.
*
* @param string The input string that may contain punctuation
* @return string The string with punctuation replaced with separator
*/
function google_seo_url_separate($str)
{
global $settings;
$pattern = $settings['google_seo_url_punctuation'];
if($pattern)
{
// Escape the pattern.
// (preg_quote breaks UTF-8 and doesn't escape -)
$pattern = preg_replace("/[\\\\\\^\\-\\[\\]\\/]/u",
"\\\\\\0",
$pattern);
// Cut off punctuation at beginning and end.
$str = preg_replace("/^[$pattern]+|[$pattern]+$/u",
"",
$str);
// Replace middle punctuation with one separator.
$str = preg_replace("/[$pattern]+/u",
$settings['google_seo_url_separator'],
$str);
}
return $str;
}
/**
* Truncate too long URLs.
*
* @param string The string to be truncated.
* @param string The word separator.
* @param int The soft limit.
* @param int The hard limit.
* @return string truncated string
*/
function google_seo_url_truncate($str)
{
global $settings;
$separator = $settings['google_seo_url_separator'];
$soft = $settings['google_seo_url_length_soft'];
$hard = $settings['google_seo_url_length_hard'];
// Cut off word past soft limit.
if($soft && my_strlen($str) > $soft)
{
// Search the separator after the soft limit.
$part = my_substr($str, $soft);
$pos = my_strpos($part, $separator);
if($pos === 0 || $pos > 0)
{
$str = my_substr($str, 0, $soft + $pos);
}
}
// Truncate hard limit.
if($hard && my_strlen($str) > $hard)
{
$str = my_substr($str, 0, $hard);
}
return $str;
}
/**
* Uniquify URLs.
*
* @param string The URL that collided with something
* @param int The ID of this item
* @return string The uniquified URL
*/
function google_seo_url_uniquify($url, $id)
{
global $settings;
$separator = $settings['google_seo_url_separator'];
$str = $settings['google_seo_url_uniquifier'];
$str = google_seo_expand($str, array('url' => $url,
'id' => $id,
'separator' => $separator));
return $str;
}
/**
* Finalize URLs. (Lowercase step done by the caller.)
*
* @param string URL to be finalized.
* @param string Scheme to be used for this URL.
* @return string Finalized URL.
*/
function google_seo_url_finalize($url, $scheme)
{
global $settings;
$url = google_seo_expand($scheme, array('url' => $url));
$test = explode('?', $url);
$test = explode('/', $test[0]);
foreach($test as $element)
{
/**
* Maximum URL length hack.
*
* Most hosts do not allow for filenames > 255 bytes in URLs.
* Trying to access such an URL results in 403 Forbidden.
*
* Since MyBB already limits length of user names and topic
* subjects this is normally not a problem. However it is still
* possible to hit the limit with UTF-8 multibyte characters.
*
* This hack causes Google SEO to fall back to stock URLs in
* the rare case where the Google SEO URL would be unuseable.
*
*/
if(strlen($element) >= 256)
{
return 0;
}
}
$url = google_seo_encode($url);
return $url;
}
/* --- URL Creation: --- */
/**
* Create a unique URL in the database for a specific item type,id.
* First fetch the title of the item from the MyBB database,
* then process (translate, separate, truncate, uniquify) that title,
* then check for existing entries in the Google SEO database,
* finally insert it into the database if it's not already there.
*
* @param string Type of the item (forums, threads, etc.)
* @param array IDs of the item (fid for forums, tid for threads, etc.)
*/
function google_seo_url_create($type, $ids)
{
global $db, $settings;
global $google_seo_url_cache;
$ids = array_map('intval', (array)$ids);
foreach($ids as $id)
{
$google_seo_url_cache[$type][$id] = 0;
}
if($db->google_seo_query_limit <= 0)
{
return;
}
$data = $db->google_seo_url[$type];
// Is Google SEO URL enabled for this type?
if($data['scheme'])
{
// Query the item title as base for our URL.
$db->google_seo_query_limit--;
$titles = $db->query("SELECT {$data['name']},{$data['id']}{$data['extra']}
FROM {$data['table']}
WHERE {$data['id']} IN ("
.implode(",", $ids)
.")");
while($row = $db->fetch_array($titles))
{
$url = $row[$data['name']];
// MyBB unfortunately allows HTML in forum names.
if($type == GOOGLE_SEO_FORUM)
{
$url = strip_tags($url);
}
// Thread Prefixes
if($row['prefix'])
{
$prefix = build_prefixes($row['prefix']);
if($prefix['prefix'])
{
$url = google_seo_expand(
$settings['google_seo_url_threadprefix'],
array('url' => $url,
'prefix' => $prefix['prefix'],
'separator' => $settings['google_seo_url_separator']));
}
}
$id = $row[$data['id']];
// Prepare the URL.
if($settings['google_seo_url_translation'])
{
$url = google_seo_url_translation($url);
}
$url = google_seo_url_separate($url);
$url = google_seo_url_truncate($url);
$uniqueurl = google_seo_url_uniquify($url, $id);
// Special case: for empty URLs we must use the unique variant
if($url == "" || $settings['google_seo_url_uniquifier_force'])
{
$url = $uniqueurl;
}
// Parents
if($row['parent'])
{
$parent_type = $db->google_seo_url[$type]['parent_type'];
$parent_id = (int)$row['parent'];
// TODO: Parents costs us an extra query. Cache?
$db->google_seo_query_limit--;
$query = $db->simple_select('google_seo',
'url AS parent',
"active=1 AND idtype={$parent_type} AND id={$parent_id}");
$parent = $db->fetch_field($query, 'parent');
if($parent)
{
$url = google_seo_expand($db->google_seo_url[$type]['parent'],
array('url' => $url,
'parent' => $parent));
$uniqueurl = google_seo_expand($db->google_seo_url[$type]['parent'],
array('url' => $url,
'parent' => $parent));
}
}
// Check for existing entry and possible collisions.
$db->google_seo_query_limit--;
$query = $db->query("SELECT url,id FROM ".TABLE_PREFIX."google_seo
WHERE active=1 AND idtype={$type} AND id<={$id}
AND url IN ('"
.$db->escape_string($url)."','"
.$db->escape_string($uniqueurl)."')
AND EXISTS(SELECT {$data['id']}
FROM {$data['table']}
WHERE {$data['id']}=id)
ORDER BY id ASC");
$urlrow = $db->fetch_array($query);
$uniquerow = $db->fetch_array($query);
// Check if the entry was not up to date anyway.
if($urlrow && $urlrow['id'] == $id && $urlrow['url'] == $url)
{
// It's up to date. Do nothing.
}
else if($uniquerow && $uniquerow['id'] == $id && $uniquerow['url'] == $uniqueurl)
{
// It's up to date for the unique URL.
$url = $uniqueurl;
}
else
{
// Use unique URL if there was a row with a different id.
if($urlrow && $urlrow['id'] != $id)
{
$url = $uniqueurl;
}
// Set old entries for us to not active.
$db->google_seo_query_limit--;
$db->write_query("UPDATE ".TABLE_PREFIX."google_seo
SET active=NULL
WHERE active=1
AND idtype={$type}
AND id={$id}");
// Insert new entry (while possibly replacing old ones).
$db->google_seo_query_limit--;
$db->write_query("REPLACE INTO ".TABLE_PREFIX."google_seo
VALUES (active,idtype,id,url),
('1','{$type}','{$id}','".$db->escape_string($url)."')");
}
// Finalize URL.
if($settings['google_seo_url_lowercase'])
{
$url = my_strtolower($url);
}
$url = google_seo_url_finalize($url, $data['scheme']);
$google_seo_url_cache[$type][$id] = $url;
}
}
}
/* --- URL Cache: --- */
/**
* Optimize queries by collecting as many IDs as possible before sending
* a request off to a database. This is a dirty trick, a hack, black magic.
*
* This list of IDs is obtained by either accessing global data structures
* of MyBB (possible when MyBB stores data in some sort of cache) or by
* querying the IDs from the database (necessary when MyBB doesn't cache
* the data by itself).
*
* The list of IDs obtained here is used later to fetch Google SEO URLs
* in a single query, and create URLs for IDs that do not have an URL yet.
*
* @param string Type of the item that caused the query.
* @param int ID of the item that caused the query.
* @return array IDs (ID as index, value 0) to be merged into the cache.
*/
function google_seo_url_optimize($type, $id)
{
global $db, $mybb, $settings, $cache;
global $google_seo_url_optimize, $google_seo_url_cache;
switch(THIS_SCRIPT)
{
case 'index.php':
// fcache
global $fcache, $google_seo_fcache;
if($fcache !== $google_seo_fcache)
{
$GLOBALS['google_seo_fcache'] =& $fcache;
foreach($fcache as $a)
{
foreach($a as $b)
{
foreach($b as $c)
{
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$c['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$c['lastposteruid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$c['lastposttid']] = 0;
}
}
}
}
global $google_seo_index;
if(!$google_seo_index)
{
$google_seo_index = true;
// last user
$stats = $cache->read("stats");
$google_seo_url_optimize[GOOGLE_SEO_USER][$stats['lastuid']] = 0;
// who's online
if($mybb->settings['showwol'] != 0 && $mybb->usergroup['canviewonline'] != 0)
{
$timesearch = TIME_NOW - $mybb->settings['wolcutoff'];
$db->google_seo_query_limit--;
$query = $db->query("SELECT uid FROM ".TABLE_PREFIX."sessions
WHERE uid != '0' AND time > '$timesearch'");
while($user = $db->fetch_array($query))
{
$google_seo_url_optimize[GOOGLE_SEO_USER][$user['uid']] = 0;
}
}
}
break;
case 'portal.php':
global $query, $google_seo_portal_query;
// Hack: Let's hijack queries made by MyBB. Do not try this at home!
if($query !== $google_seo_portal_query)
{
$GLOBALS['google_seo_portal_query'] &= $query;
if($query)
{
$num_rows = $db->num_rows($query);
}
if($num_rows)
{
// Loop from current pointer to end of query.
$i = 0;
while($row = $db->fetch_array($query))
{
$i++;
$google_seo_url_optimize[GOOGLE_SEO_USER][$row['uid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$row['lastposteruid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$row['tid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$row['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_ANNOUNCEMENT][$row['aid']] = 0;
}
// Determine original pointer position.
$pointer = $num_rows - $i;
// Seek to beginning of query.
$db->data_seek($query, 0);
// Loop from beginning until we reach the original position.
$i = 0;
while($i < $pointer && $row = $db->fetch_array($query))
{
$i++;
$google_seo_url_optimize[GOOGLE_SEO_USER][$row['uid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$row['lastposteruid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$row['tid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$row['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_ANNOUNCEMENT][$row['aid']] = 0;
}
}
}
break;
case 'forumdisplay.php':
// forum_cache
global $forum_cache, $google_seo_forum_cache;
if($forum_cache !== $google_seo_forum_cache)
{
$GLOBALS['google_seo_forum_cache'] =& $forum_cache;
foreach($forum_cache as $f)
{
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$f['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$f['lastposteruid']] = 0;
}
}
// threadcache optimization (forumdisplay.php)
global $threadcache, $google_seo_threadcache;
if($threadcache !== $google_seo_threadcache)
{
$GLOBALS['google_seo_threadcache'] =& $threadcache;
foreach($threadcache as $t)
{
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$t['tid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$t['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$t['uid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$t['lastposteruid']] = 0;
}
}
break;
case 'search.php':
// thread_cache
global $thread_cache, $google_seo_thread_cache;
if($thread_cache !== $google_seo_thread_cache)
{
$GLOBALS['google_seo_thread_cache'] =& $thread_cache;
foreach($thread_cache as $t)
{
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$t['tid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$t['fid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$t['uid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_USER][$t['lastposteruid']] = 0;
}
}
break;
case 'calendar.php':
// events_cache
global $events_cache, $google_seo_events_cache;
if($events_cache !== $google_seo_events_cache)
{
$GLOBALS['google_seo_events_cache'] =& $events_cache;
foreach($events_cache as $d)
{
foreach($d as $e)
{
$google_seo_url_optimize[GOOGLE_SEO_USER][$e['uid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_EVENT][$e['eid']] = 0;
$google_seo_url_optimize[GOOGLE_SEO_CALENDAR][$e['cid']] = 0;
}
}
}
break;
case 'online.php':
if($settings['google_seo_url_wol'])
{
global $uid_list, $aid_list, $eid_list, $fid_list, $tid_list;
// uid_list
if(count($uid_list) && $uid_list !== $google_seo_uid_list)
{
$GLOBALS['google_seo_uid_list'] =& $uid_list;
foreach($uid_list as $uid)
{
$google_seo_url_optimize[GOOGLE_SEO_USER][$uid] = 0;
}
}
// aid_list
if(count($aid_list) && $aid_list !== $google_seo_aid_list)
{
$GLOBALS['google_seo_aid_list'] =& $aid_list;
foreach($aid_list as $aid)
{
$google_seo_url_optimize[GOOGLE_SEO_ANNOUNCEMENT][$aid] = 0;
}
}
// eid_list
if(count($eid_list) && $eid_list !== $google_seo_eid_list)
{
$GLOBALS['google_seo_eid_list'] =& $eid_list;
foreach($eid_list as $eid)
{
$google_seo_url_optimize[GOOGLE_SEO_EVENT][$eid] = 0;
}
}
// fid_list
if(count($fid_list) && $fid_list !== $google_seo_fid_list)
{
$GLOBALS['google_seo_fid_list'] =& $fid_list;
foreach($fid_list as $fid)
{
$google_seo_url_optimize[GOOGLE_SEO_FORUM][$fid] = 0;
}
}
// tid_list
if(count($tid_list) && $tid_list !== $google_seo_tid_list)
{
$GLOBALS['google_seo_tid_list'] =& $tid_list;
foreach($tid_list as $tid)
{
$google_seo_url_optimize[GOOGLE_SEO_THREAD][$tid] = 0;
}
}
}
break;
}
// Include the ID that was originally requested.
$google_seo_url_optimize[$type][$id] = 0;
// Clean up
foreach($google_seo_url_optimize as $key => $value)
{
if(!$db->google_seo_url[$key]['scheme'])
{
unset($google_seo_url_optimize[$key]);
}
unset($google_seo_url_optimize[$key][0]);
unset($google_seo_url_optimize[$key]['']);
}
// return the collected IDs
$result = $google_seo_url_optimize;
$google_seo_url_optimize = array();
return $result;
}
/**
* Get the entry for $type, $id from the cache.
*
* If $id is not yet in the cache, the $id will be queried from the DB.
* To keep number of total DB queries low, all $ids that have been queued
* up to here will be fetched in the same query as well.
*
*/
function google_seo_url_cache($type, $id)
{
global $db, $settings;
global $google_seo_url_cache, $google_seo_url_lazy;
// If it's not in the cache, try loading the cache.
if($google_seo_url_cache[$type][$id] === NULL
&& $db->google_seo_query_limit > 0)
{
$google_seo_url_cache['dirty'] = 1;
// Special case: Lazy Mode
if($google_seo_url_lazy !== false)
{
if($google_seo_url_lazy === true)
{
// first time call
global $plugins;
$plugins->add_hook('pre_output_page', 'google_seo_url_lazy', 1000);
ob_start('google_seo_url_lazy');
register_shutdown_function(create_function('', 'while(@ob_end_flush());'));
$google_seo_url_lazy = array();
}
// Create a temporary placeholder (but working) URL.
$url = google_seo_expand(
$db->google_seo_url[$type]['lazy'],
array('id' => $id)
);
// strtr is SO much faster if all strings have the exact same length
// 64 is the longest lazy url assuming 10 digit ids
$url = str_pad($url, 64, "+");
$google_seo_url_cache[$type][$id] = $url;
$google_seo_url_lazy[$type][$id] = $url;
return $url;
}
// Full Mode
// Prepare database query.
if($settings["google_seo_url_lowercase"])
{
$what = "LOWER(url) AS url,id,idtype";
}
else
{
$what = "url,id,idtype";
}
// Optimize by collecting more IDs for this query.
$ids = google_seo_url_optimize($type, $id);
$condition = array();
foreach($ids as $key => $value)
{
if($value)
{
$condition[] = "(idtype={$key} AND id IN ("
.implode(",", array_map('intval', array_keys($value))).
"))";
}
}
$condition = implode(" OR ", $condition);
// Run database query.
$db->google_seo_query_limit--;
$query = $db->query("SELECT $what
FROM ".TABLE_PREFIX."google_seo
WHERE active=1
AND ({$condition})");
// Process the query results.
while($row = $db->fetch_array($query))
{
$rowid = (int)$row['id'];
$rowtype = (int)$row['idtype'];
$google_seo_url_cache[$rowtype][$rowid] =
google_seo_url_finalize($row['url'],
$db->google_seo_url[$rowtype]['scheme']);
unset($ids[$rowtype][$rowid]);
}
// Create URLs for the remaining IDs.
foreach($ids as $key => $value)
{
unset($value[0]);
if(count($value))
{
google_seo_url_create($key, array_keys($value));
}
}
}
// Return the cached entry for the originally requested type and id.
return $google_seo_url_cache[$type][$id];
}
/*
* Lazy Mode
*/
function google_seo_url_lazy($message)
{
global $plugins;
global $google_seo_url_lazy, $google_seo_url_optimize, $google_seo_url_cache;
if(!$google_seo_url_lazy)
{
// Do nothing.
return $message;
}
$lazy = $google_seo_url_lazy;
$google_seo_url_lazy = false;
// We've been lazy and now we have to pay the price.
// Prepare cache and optimize.
foreach($lazy as $key => $value)
{
// substract lazy from cache so it will redo these URLs
$google_seo_url_cache[$key] = array_diff_key((array)$google_seo_url_cache[$key],
(array)$lazy[$key]);
// add lazy to optimize so it will use a single query when redoing them
$google_seo_url_optimize[$key] = (array)$google_seo_url_optimize[$key] + (array)$lazy[$key];
}
// Make it load the URLs.
reset($lazy);
$type = key($lazy);
reset($lazy[$type]);
$id = key($lazy[$type]);
google_seo_url_cache($type, $id);
// Build the replacement foo.
$strtr = array();
foreach($lazy as $type => $list)
{
foreach($list as $id => $url)
{
$seourl = $google_seo_url_cache[$type][$id];
if($seourl)
{
$strtr[$url] = $seourl;
}
}
}
// This is the most expensive bit.
$message = strtr($message, $strtr);
return $message;
}
/*
* Populate MyBB's Cache
*/
function google_seo_url_cache_hook()
{
global $settings, $cache;
global $google_seo_url_cache;
// Do we need to update the cache?
if($google_seo_url_cache['dirty'])
{
unset($google_seo_url_cache['dirty']);
// New cache?
if(!$google_seo_url_cache['time'])
{
$delta = (int)$settings['google_seo_url_cache'];
if(!$delta)
{
// Default: 15 Minutes
$delta = 15;
}
$google_seo_url_cache['time'] = TIME_NOW + $delta * 60;
}
$cache->update('google_seo_url', $google_seo_url_cache);
}
}
/* --- URL Lookup: --- */
/**
* Convert a given URL to ID.
*
* @param string Type of the item
* @param string Given URL of the item
* @return int ID of the requested item if found.
*/
function google_seo_url_id($type, $url)
{
global $db, $settings;
$db->google_seo_query_limit--;
$query = $db->query("SELECT id
FROM ".TABLE_PREFIX."google_seo
WHERE idtype={$type}
AND url='".$db->escape_string($url)."'");
$id = $db->fetch_field($query, "id");
if(!$id)
{
// Fallback for wrong punctuation, character translation:
$urls[0] = $db->escape_string(google_seo_url_separate($url));
if($settings['google_seo_url_translation'])
{
$urls[1] = $db->escape_string(google_seo_url_translation($url));
$urls[2] = $db->escape_string(google_seo_url_separate($urls[1]));
}
$db->google_seo_query_limit--;
$query = $db->query("SELECT id
FROM ".TABLE_PREFIX."google_seo
WHERE idtype={$type}
AND url IN ('".implode("','", $urls)."')
ORDER BY id ASC
LIMIT 1");
$id = $db->fetch_field($query, "id");
}
if($id)
{
return $id;
}
return 0;
}
/*
* Dynamic URLs, e.g. showthread.php?Subject-Here
*
*/
function google_seo_url_dynamic($url='')
{
if(!strlen((string)$url))
{
$url = google_seo_dynamic($_SERVER['REQUEST_URI']);
}
return $url;
}
/**
* Google SEO URL hook.
*
* Converts requested Google SEO URLs back to the ID number parameters
* which are required and expected by stock MyBB to find the correct
* forum / thread / etc. to display.
*
* This is also the point where Google SEO updates the URLs in case
* the requested item changed its name since the last update.
*/
function google_seo_url_hook()
{
global $db, $mybb, $settings;
// Translate URL name to ID and verify.
switch(THIS_SCRIPT)
{
case 'forumdisplay.php':
// Translation.
$url = google_seo_url_dynamic($mybb->input['google_seo_forum']);
if(strlen($url) && !array_key_exists('fid', $mybb->input))
{
$fid = google_seo_url_id(GOOGLE_SEO_FORUM, $url);
$mybb->input['fid'] = $fid;
$location = get_current_location();
$location = str_replace("google_seo_forum={$url}",
"fid={$fid}", $location);
}
// Verification.
$fid = (int)$mybb->input['fid'];
if($fid)
{
google_seo_url_create(GOOGLE_SEO_FORUM, $fid);
}
break;
case 'showthread.php':
// Translation.
$url = google_seo_url_dynamic($mybb->input['google_seo_thread']);
if(strlen($url) && !array_key_exists('tid', $mybb->input))
{
$tid = google_seo_url_id(GOOGLE_SEO_THREAD, $url);
$mybb->input['tid'] = $tid;
$location = get_current_location();
$location = str_replace("google_seo_thread={$url}",
"tid={$tid}", $location);
}
// Verification.
$tid = (int)$mybb->input['tid'];
if($tid)
{
google_seo_url_create(GOOGLE_SEO_THREAD, $tid);
}
$pid = $mybb->input['pid'];
break;
case 'announcements.php':
// Translation.
$url = google_seo_url_dynamic($mybb->input['google_seo_announcement']);
if(strlen($url) && !array_key_exists('aid', $mybb->input))
{
$aid = google_seo_url_id(GOOGLE_SEO_ANNOUNCEMENT, $url);
$mybb->input['aid'] = $aid;
$location = get_current_location();
$location = str_replace("google_seo_announcement={$url}", "aid={$aid}", $location);
}
// Verification.
$aid = (int)$mybb->input['aid'];
if($aid)
{
google_seo_url_create(GOOGLE_SEO_ANNOUNCEMENT, $aid);
}
break;
case 'member.php':
// Translation.
$url = google_seo_url_dynamic($mybb->input['google_seo_user']);
if(strlen($url) && !array_key_exists('uid', $mybb->input))
{
$uid = google_seo_url_id(GOOGLE_SEO_USER, $url);
$mybb->input['uid'] = $uid;
$location = get_current_location();
$location = str_replace("google_seo_user={$url}", "uid={$uid}", $location);
}
// Verification.
$uid = (int)$mybb->input['uid'];
if($uid && $mybb->input['action'] == 'profile')
{
google_seo_url_create(GOOGLE_SEO_USER, $uid);
}
break;
case 'calendar.php':
// Translation.
// Event.
$url = google_seo_url_dynamic($mybb->input['google_seo_event']);
if(strlen($url) && !array_key_exists('eid', $mybb->input))
{
$eid = google_seo_url_id(GOOGLE_SEO_EVENT, $url);
$mybb->input['eid'] = $eid;
$location = get_current_location();
$location = str_replace("google_seo_event={$url}", "eid={$eid}", $location);
}
// Verification.
$eid = (int)$mybb->input['eid'];
if($eid)
{
google_seo_url_create(GOOGLE_SEO_EVENT, $eid);
}
else
{
// Calendar.
$url = google_seo_url_dynamic($mybb->input['google_seo_calendar']);
if(strlen($url) && !array_key_exists('calendar', $mybb->input))
{
$cid = google_seo_url_id(GOOGLE_SEO_CALENDAR, $url);
// Hack to cause invalid calendar message to appear:
// If cid is not set, the default calendar would be shown.
// However in this case it means an invalid URL was given.
if(!$cid)
{
$cid = -1;
}
$mybb->input['calendar'] = $cid;
$location = get_current_location();
$location = str_replace("google_seo_calendar={$cid}", "calendar={$cid}", $location);
}
// Verification.
$cid = (int)$mybb->input['calendar'];
if($cid)
{
google_seo_url_create(GOOGLE_SEO_CALENDAR, $cid);
}
}
break;
}
if($location)
{
$location = substr($location, 0, 150);
global $google_seo_location;
$google_seo_location = $location;
}
}
/**
* Google SEO Merge hook.
*
* Unfortunately MyBB asks for a thread URL when merging threads.
* We have to translate Google SEO URLs back to showthread.php?tid=x URLs.
*/
function google_seo_url_merge_hook()
{
global $mybb;
// Build regexp to match URL.
$regexp = "{$mybb->settings['bburl']}/{$mybb->settings['google_seo_url_threads']}";
if($regexp)
{
$regexp = preg_quote($regexp, '#');
$regexp = str_replace('\\{\\$url\\}', '([^./]+)', $regexp);
$regexp = str_replace('\\{url\\}', '([^./]+)', $regexp);
$regexp = "#^{$regexp}$#u";
}
// Fetch the (presumably) Google SEO URL:
$url = $mybb->input['threadurl'];
// $url can be either 'http://host/Thread-foobar' or just 'foobar'.
// Kill anchors and parameters.
$url = preg_replace('/^([^#?]*)[#?].*$/u', '\\1', $url);
// Extract the name part of the URL.
$url = preg_replace($regexp, '\\1', $url);
// Unquote the URL.
$url = urldecode($url);
// If $url was 'http://host/Thread-foobar', it is just 'foobar' now.
// Look up the ID for this item.
$tid = google_seo_url_id(GOOGLE_SEO_THREAD, $url);
// If we have an ID, produce an URL suitable for merge.
if($tid)
{
$mybb->input['threadurl'] = "{$mybb->settings['bburl']}/showthread.php?tid={$tid}";
}
}
/**
*
* Google SEO After Merge hook.
*
* When two threads are merged, one of them is actually deleted.
* As a result, all URLs pointing to the old thread would be lost.
*
* However if we merge the URL entries in the google_seo table as well,
* Google SEO Redirect can redirect URLs of the old thread to the new thread.
*
*/
function google_seo_url_after_merge_hook($arguments)
{
global $db;
$mergetid = (int)$arguments['mergetid'];
$tid = (int)$arguments['tid'];
// Integrate mergetid into tid:
$type = GOOGLE_SEO_THREAD;
$db->google_seo_query_limit--;
$db->write_query("UPDATE ".TABLE_PREFIX."google_seo
SET active=NULL, id={$tid}
WHERE idtype={$type} AND id={$mergetid}");
}
/* --- URL API: --- */
/**
* Replacement for get_profile_link()
*
* @param int ID of the linked user profile.
* @return string User profile URL.
*/
function google_seo_url_profile($uid=0)
{
global $settings;
if($settings['google_seo_url_users'] && $uid > 0)
{
return google_seo_url_cache(GOOGLE_SEO_USER, $uid);
}
}
/**
* Replacement for get_announcement_link()
*
* @param int ID of the linked announcement.
* @return string Announcement URL.
*/
function google_seo_url_announcement($aid=0)
{
global $settings;
if($settings['google_seo_url_announcements'] && $aid > 0)
{
return google_seo_url_cache(GOOGLE_SEO_ANNOUNCEMENT, $aid);
}
}
/**
* Replacement for get_forum_link()
*
* @param int ID of the linked forum.
* @param int Optional page number.
* @return string Forum URL.
*/
function google_seo_url_forum($fid, $page=0)
{
global $settings;
if($settings['google_seo_url_forums'] && $fid > 0)
{
$url = google_seo_url_cache(GOOGLE_SEO_FORUM, $fid);
if($url && $page && $page != 1)
{
// forum as index tweak
if($fid == $settings['google_seo_tweak_index_fid'])
{
$url = ""; // only works for ?page due to href=""
}
$glue = (strpos($url, '?') === false ? '?' : '&');
$url .= "{$glue}page={$page}";
}
return $url;
}
}
/**
* Replacement for get_thread_link()
*
* @param int ID of the linked thread.
* @param int Optional page number.
* @param string Optional action.
* @return string Thread URL.
*/
function google_seo_url_thread($tid, $page=0, $action='')
{
global $settings;
if($settings['google_seo_url_threads'] && $tid > 0)
{
$url = google_seo_url_cache(GOOGLE_SEO_THREAD, $tid);
if($url)
{
$glue = (strpos($url, '?') === false ? '?' : '&');
if($page && $page != 1 && $action)
{
$url .= "{$glue}page={$page}&action={$action}";
}
else if($page && $page != 1)
{
$url .= "{$glue}page={$page}";
}
else if($action)
{
$url .= "{$glue}action={$action}";
}
return $url;
}
}
}
/**
* Replacement for get_post_link()
*
* @param int ID of the linked posting.
* @param int Optional thread ID if known (has to be looked up otherwise).
* @return string Post URL.
*/
function google_seo_url_post($pid, $tid=0)
{
global $db, $settings;
global $google_seo_url_tid;
if($settings['google_seo_url_threads'] && $pid > 0)
{
$tid = google_seo_tid($pid, $tid, $settings['google_seo_url_posts'],
$db->google_seo_query_limit);
if($tid > 0)
{
$url = google_seo_url_cache(GOOGLE_SEO_THREAD, $tid);
if($url)
{
$glue = (strpos($url, '?') === false ? '?' : '&');
$url .= "{$glue}pid={$pid}";
return $url;
}
}
}
}
/**
* Replacement for get_event_link()
*
* @param int ID of the linked event.
* @return string Event URL.
*/
function google_seo_url_event($eid)
{
global $settings;
if($settings['google_seo_url_events'] && $eid > 0)
{
return google_seo_url_cache(GOOGLE_SEO_EVENT, $eid);
}
}
/**
* Replacement for get_calendar_link()
*
* @param int ID of the linked calendar.
* @param int Optional year.
* @param int Optional month.
* @param int Optional day.
* @return string Calendar URL.
*/
function google_seo_url_calendar($cid, $year=0, $month=0, $day=0)
{
global $settings;
if($settings['google_seo_url_calendars'] && $cid > 0)
{
$url = google_seo_url_cache(GOOGLE_SEO_CALENDAR, $cid);
if($url && $year)
{
$glue = (strpos($url, '?') === false ? '?' : '&');
$url .= "{$glue}year={$year}";
if($month)
{
$url .= "&month=$month";
if($day)
{
$url .= "&day=$day&action=dayview";
}
}
}
return $url;
}
}
/**
* Replacement for get_calendar_week_link()
*
* @param int ID of the linked calendar.
* @param int Week.
* @return string Calendar Week URL.
*/
function google_seo_url_calendar_week($cid, $week)
{
global $settings;
if($settings['google_seo_url_calendars'] && $cid > 0)
{
$url = google_seo_url_cache(GOOGLE_SEO_CALENDAR, $cid);
if($url)
{
$week = str_replace('-', 'n', $week);
$glue = (strpos($url, '?') === false ? '?' : '&');
$url .= "{$glue}action=weekview&week={$week}";
return $url;
}
}
}
/**
* Replacement for multipage links
*
* @param string base URL of the multipage
* @return string new base URL of the multipage
*/
function google_seo_url_multipage($url)
{
switch(THIS_SCRIPT)
{
case 'forumdisplay.php':
// Initialize variables for forumdisplay.
global $fid;
$id = $fid;
$urlcheck = FORUM_URL_PAGED;
$idname = "fid";
$type = "forum";
break;
case 'showthread.php':
// Initialize variables for showthread.
global $tid;
$id = $tid;
$urlcheck = THREAD_URL_PAGED;
$idname = "tid";
$type = "thread";
break;
}
// The actual code that builds the new multipage URL:
if($id)
{
$getlink = "get_{$type}_link";
$getlink_googleseo = "google_seo_url_{$type}";
// replace {idname} with the id to get the default URL
$urlcheck = str_replace("{{$idname}}", $id, $urlcheck);
// see if we have a default multipage URL here
if($url == $urlcheck
|| strpos($url, $urlcheck.'?') === 0
|| strpos($url, $urlcheck.'&') === 0)
{
// Check that the Google SEO URLs are being used.
$seourl = $getlink_googleseo($id, "{page}");
if($seourl == $getlink($id, "{page}"))
{
// Replace it with the Google SEO URL
$newurl = $seourl;
// Append extra parameters.
$extra = substr($url, strlen($urlcheck));
if($extra)
{
$newurl .= $extra;
}
}
}
}
return $newurl;
}
/* --- End of file. --- */
?>