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core.php
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<?php
/**
*
* @package Ultimate SEO URL phpBB SEO
* @version $$
* @copyright (c) 2006 - 2014 www.phpbb-seo.com
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
namespace phpbbseo\usu;
use phpbbseo\usu\customise;
use phpbbseo\usu\rewriter;
/**
* core Class
* www.phpBB-SEO.com
* @package Ultimate SEO URL phpBB SEO
*/
class core
{
/* @var \phpbb\config\config */
private $config;
/* @var \phpbb\request\request */
private $request;
/* @var \phpbb\user */
private $user;
/** @var \phpbb\auth\auth */
private $auth;
/* @var \phpbbseo\usu\customise */
private $customise;
/* @var \phpbbseo\usu\rewriter */
private $rewriter;
/**
* Current $phpbb_root_path
* @var string
*/
private $phpbb_root_path;
/**
* Current $php_ext
* @var string
*/
private $php_ext;
/**
* mod rewrite type
* 1 : simple
* 2 : mixed
* 3 : advanced
*/
public $modrtype = 2; // We set it to mixed as a default value
/**
* paths
*/
public $seo_path = array();
/**
* uri cache
*/
public $seo_url = array(
'forum' => array(),
'topic' => array(),
'user' => array(),
'username' => array(),
'group' => array(),
'file' => array(),
);
/**
* GET filters
*/
public $get_filter = array(
'forum' => array('st' => 0, 'sk' => 't', 'sd' => 'd'),
'topic' => array('st' => 0, 'sk' => 't', 'sd' => 'a', 'hilit' => ''),
'search' => array('st' => 0, 'sk' => 't', 'sd' => 'd', 'ch' => ''),
);
/**
* file filters
*/
private $stop_files = array(
'posting' => 1,
'faq' => 1,
'ucp' => 1,
'swatch' => 1,
'mcp' => 1,
'style' => 1,
'cron' => 1,
);
/**
* dir filters
*/
public $stop_dirs = array();
/**
* qs filters
*/
public $stop_vars = array('view=', 'mark=', 'watch=', 'hash=');
/**
* seo delimiters
*/
public $seo_delim = array(
'forum' => '-f',
'topic' => '-t',
'user' => '-u',
'group' => '-g',
'start' => '-',
'sr' => '-',
'file' => '/',
);
/**
* seo suffixes
*/
public $seo_ext = array(
'forum' => '.html',
'topic' => '.html',
'post' => '.html',
'user' => '.html',
'group' => '.html',
'index' => '',
'global_announce' => '/',
'leaders' => '.html',
'atopic' => '.html',
'utopic' => '.html',
'npost' => '.html',
'urpost' => '.html',
'pagination' => '.html',
'gz_ext' => '',
);
/**
* seo static
*/
public $seo_static = array(
'forum' => 'forum',
'topic' => 'topic',
'post' => 'post',
'user' => 'member',
'group' => 'group',
'index' => '',
'global_announce' => 'announces',
'leaders' => 'the-team',
'atopic' => 'active-topics',
'utopic' => 'unanswered',
'npost' => 'newposts',
'urpost' => 'unreadposts',
'pagination' => 'page',
'gz_ext' => '.gz',
'file_index' => 'resources',
'thumb' => 'thumb',
);
/**
* hbase
*/
public $file_hbase = array();
/**
* current page url
*/
public $page_url = '';
/**
* options with default values
*/
public $seo_opt = array(
'url_rewrite' => false,
'modrtype' => 2,
'sql_rewrite' => false,
'profile_inj' => false,
'profile_vfolder' => false,
'profile_noids' => false,
'rewrite_usermsg' => false,
// disable attachment rewriting
// https://github.com/phpBBSEO/usu/issues/31
// 'rewrite_files' => false,
'rem_sid' => false,
'rem_hilit' => true,
'rem_small_words' => false,
'virtual_folder' => false,
'virtual_root' => false,
'cache_layer' => true,
'rem_ids' => false,
'redirect_404_forum' => false,
'redirect_404_topic' => false,
);
/**
* runtime variables
*/
public $rewrite_method = array();
public $paginate_method = array();
public $seo_cache = array();
public $cache_config = array();
public $RegEx = array();
public $sftpl = array();
public $url_replace = array();
public $ssl = array('requested' => false, 'forced' => false);
public $forum_redirect = array();
/**
* rewriting private variable
* per url values
*/
public $get_vars = array();
public $path = '';
public $start = '';
public $filename = '';
public $file = '';
public $url_in = '';
public $url = '';
/**
* Constructor
*
* @param \phpbb\config\config $config Config object
* @param \phpbb\request\request $request Request object
* @param \phpbb\user $user User object
* @param \phpbb\auth\auth $auth Auth object
* @param string $phpbb_root_path Path to the phpBB root
* @param string $php_ext PHP file extension
*
*/
public function __construct(\phpbb\config\config $config, \phpbb\request\request $request, \phpbb\user $user, \phpbb\auth\auth $auth, $phpbb_root_path, $php_ext)
{
$this->config = $config;
$this->request = $request;
$this->user = $user;
$this->auth = $auth;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->customise = new customise($this, $this->config);
$this->rewriter = new rewriter($this, $this->user, $this->phpbb_root_path);
// fix for an interesting bug with parse_str http://bugs.php.net/bug.php?id=48697
// and apparently, the bug is still here in php5.3
@ini_set("mbstring.internal_encoding", 'UTF-8');
// reset the rewrite_method for $phpbb_root_path
$this->rewrite_method[$this->phpbb_root_path] = array();
if (!empty($this->seo_opt['rewrite_files']))
{
// phpBB files must be treated a bit differently
$this->seo_static['file'] = array(
ATTACHMENT_CATEGORY_NONE => 'file',
ATTACHMENT_CATEGORY_IMAGE => 'image',
ATTACHMENT_CATEGORY_WM => 'wm',
ATTACHMENT_CATEGORY_RM => 'rm',
ATTACHMENT_CATEGORY_THUMB => 'image',
ATTACHMENT_CATEGORY_FLASH => 'flash',
ATTACHMENT_CATEGORY_QUICKTIME => 'qt',
);
}
// Options that may be bypassed by the cached settings.
$this->cache_config['dynamic_options'] = array_keys($this->seo_opt); // Do not change
// copyright notice, do not change
$this->cache_config['dynamic_options']['copyrights'] = $this->seo_opt['copyrights'] = array('img' => true, 'txt' => '', 'title' => '');
// Caching config
define('PHPBB_SEO_USU_ROOT_DIR', rtrim(dirname(realpath(__FILE__)), '\\/') . '/');
$this->seo_opt['cache_folder'] = PHPBB_SEO_USU_ROOT_DIR . 'cache/'; // where the cache file is stored
$this->seo_opt['topic_type'] = array(); // do not change
$this->cache_config['cache_enable'] = true; // do not change
$this->cache_config['rem_ids'] = $this->seo_opt['rem_ids']; // do not change, set up above
$this->cache_config['file'] = $this->seo_opt['cache_folder'] . 'config.runtime.' . $this->php_ext;
$this->cache_config['cached'] = false; // do not change
$this->cache_config['forum_urls'] = array(); // do not change
$this->cache_config['forum'] = array(); // do not change
// $this->cache_config['topic'] = array(); // do not change
$this->cache_config['settings'] = array(); // do not change
// --> Zero Dupe
$this->seo_opt['zero_dupe'] = array(
'on' => false, // Activate or not the redirections : true / false
'strict' => false, // strict compare, == VS strpos() : true / false
'post_redir' => 'guest', // Redirect post urls if not valid ? : guest / all / post / off
);
$this->cache_config['dynamic_options']['zero_dupe'] = $this->seo_opt['zero_dupe']; // Do not change
$this->seo_opt['zero_dupe']['do_redir'] = false; // do not change
$this->seo_opt['zero_dupe']['go_redir'] = true; // do not change
$this->seo_opt['zero_dupe']['do_redir_post'] = false; // do not change
$this->seo_opt['zero_dupe']['start'] = 0; // do not change
$this->seo_opt['zero_dupe']['redir_def'] = array(); // do not change
// <-- Zero Dupe
// --> DOMAIN SETTING <-- //
// SSL, beware with cookie secure, it won't force ssl here,
// so you will need to switch to ssl for your user to use cookie based session (no sid)
// could be done by using an https link to login form (or within the redirect after login)
$this->ssl['requested'] = (bool) ($this->request->server('HTTPS') || ($this->request->server('SERVER_PORT') === 443));
$this->ssl['forced'] = (bool) (($this->config['server_protocol'] === 'https://'));
$this->ssl['use'] = (bool) ($this->ssl['requested'] || $this->ssl['forced']);
// Server Settings, rely on DB
$server_protocol = $this->ssl['use'] ? 'https://' : 'http://';
$server_name = trim($this->config['server_name'], '/ ');
$server_port = max(0, (int) $this->config['server_port']);
$default_port = $this->ssl['use'] ? 443 : 80;
$server_port = $server_port && ($server_port != $default_port) ? ':' . $server_port : '';
$script_path = trim($this->config['script_path'], './ ');
$script_path = (empty($script_path)) ? '' : $script_path . '/';
$this->seo_path['root_url'] = strtolower($server_protocol . $server_name . $server_port . '/');
$this->seo_path['phpbb_urlR'] = $this->seo_path['phpbb_url'] = $this->seo_path['root_url'] . $script_path;
$this->seo_path['phpbb_script'] = $script_path;
$this->seo_path['phpbb_files'] = $this->seo_path['phpbb_url'] . 'download/';
$this->seo_path['canonical'] = '';
// magic quotes, do it like this in case phpbbseo class is not started in common.php
if (!defined('STRIP'))
{
if (version_compare(PHP_VERSION, '6.0.0-dev', '<'))
{
if (get_magic_quotes_gpc())
{
define('SEO_STRIP', true);
}
}
}
else if (STRIP)
{
define('SEO_STRIP', true);
}
// File setting
$this->seo_req_uri();
$this->seo_opt['seo_base_href'] = $this->seo_opt['req_file'] = $this->seo_opt['req_self'] = '';
if ($script_name = $this->request->server('PHP_SELF'))
{
// From session.php
// Replace backslashes and doubled slashes (could happen on some proxy setups)
$this->seo_opt['req_self'] = str_replace(array('\\', '//'), '/', $script_name);
// basenamed page name (for example: index)
$this->seo_opt['req_file'] = urlencode(htmlspecialchars(str_replace('.' . $this->php_ext, '', basename($this->seo_opt['req_self']))));
}
// Let's load config and forum urls, mods adding options in the cache file must do it in customise::init
$this->read_config();
// Load settings from customise.php
$this->customise->inject();
// Let's make sure that settings are consistent
$this->check_config();
// see if we have some custom replacement
if (!empty($this->url_replace))
{
$this->url_replace = array(
'find' => array_keys($this->url_replace),
'replace' => array_values($this->url_replace)
);
}
// Array of the filenames that require the use of a base href tag.
$this->file_hbase = array_merge(
array(
'viewtopic' => $this->seo_path['phpbb_url'],
'viewforum' => $this->seo_path['phpbb_url'],
'memberlist' => $this->seo_path['phpbb_url'],
'search' => $this->seo_path['phpbb_url'],
),
$this->file_hbase
);
// Stop dirs
$this->stop_dirs = array_merge(
array(
$this->phpbb_root_path . 'adm/' => false
),
$this->stop_dirs
);
// Rewrite functions array : array('path' => array('file_name' => 'function_name'));
// Warning, this way of doing things is path aware, this implies path to be properly sent to append_sid()
// Allow to add options without slowing down the URL rewriting process
$this->rewrite_method[$this->phpbb_root_path] = array_merge(
array(
'viewtopic' => 'viewtopic',
'viewforum' => 'viewforum',
'index' => 'index',
'memberlist' => 'memberlist',
'search' => $this->seo_opt['rewrite_usermsg'] ? 'search' : '',
),
$this->rewrite_method[$this->phpbb_root_path]
);
if (!empty($this->seo_opt['rewrite_files']))
{
$this->seo_path['phpbb_filesR'] = $this->seo_path['phpbb_urlR'] . $this->seo_static['file_index'] . $this->seo_delim['file'];
$this->rewrite_method[$this->phpbb_root_path . 'download/']['file'] = 'phpbb_files';
}
if (
$this->seo_opt['virtual_folder'] ||
$this->seo_opt['profile_noids'] ||
$this->seo_opt['profile_vfolder']
)
{
// This hax is required because phpBB Path helper is tricked
// into thinking our virtual dirs are real
$this->helper_trick();
}
// allow empty ext
$pag_mtds = array();
foreach ($this->seo_ext as $key => $ext)
{
$pag_mtds[$key] = trim($ext, '/') ? 'rewrite_pagination' : 'rewrite_pagination_page';
}
$this->paginate_method = array_merge(
$pag_mtds,
$this->paginate_method
);
$this->RegEx = array_merge(
array(
'topic' => array(
'check' => '`^' . ($this->seo_opt['virtual_folder'] ? '%1$s/' : '') . '(' . $this->seo_static['topic'] . '|[a-z0-9_-]+' . $this->seo_delim['topic'] . ')$`i',
'match' => '`^((([a-z0-9_-]+)(' . $this->seo_delim['forum'] . '([0-9]+))?/)?(' . $this->seo_static['topic'] . '(?!=' . $this->seo_delim['topic'] . ')|.+(?=' . $this->seo_delim['topic'] . '))(' . $this->seo_delim['topic'] . ')?)([0-9]+)$`i',
'parent' => 2,
'parent_id' => 5,
'title' => 6,
'id' => 8,
'url' => 1,
),
'forum' => array(
'check' => $this->modrtype >= 2 ? '`^[a-z0-9_-]+(' . $this->seo_delim['forum'] . '[0-9]+)?$`i' : '`^' . $this->seo_static['forum'] . '[0-9]+$`i',
'match' => '`^((' . $this->seo_static['forum'] . '|.+)(' . $this->seo_delim['forum'] . '([0-9]+))?)$`i',
'title' => '\2',
'id' => '\4',
),
),
$this->RegEx
);
// preg_replace() patterns for format_url()
// One could want to add |th|horn after |slash, but I'm not sure that Þ should be replaced with t and Ð with e
$this->RegEx['url_find'] = array('`&([a-z]+)(acute|grave|circ|cedil|tilde|uml|lig|ring|caron|slash);`i', '`&(amp;)?[^;]+;`i', '`[^a-z0-9]`i'); // Do not remove : deaccentuation, html/xml entities & non a-z chars
$this->RegEx['url_replace'] = array('\1', '-', '-');
if ($this->seo_opt['rem_small_words'])
{
$this->RegEx['url_find'][] = '`(^|-)[a-z0-9]{1,2}(?=-|$)`i';
$this->RegEx['url_replace'][] = '-';
}
$this->RegEx['url_find'][] ='`[-]+`'; // Do not remove : multi hyphen reduction
$this->RegEx['url_replace'][] = '-';
// $1 parent : string/
// $2 title / url : topic-title / forum-url-fxx
// $3 id
$this->sftpl = array_replace(
array(
'topic' => ($this->seo_opt['virtual_folder'] ? '%1$s/' : '') . '%2$s' . $this->seo_delim['topic'] . '%3$s',
'topic_smpl' => ($this->seo_opt['virtual_folder'] ? '%1$s/' : '') . $this->seo_static['topic'] . '%3$s',
'forum' => $this->modrtype >= 2 ? '%1$s' : $this->seo_static['forum'] . '%2$s',
'group' => $this->seo_opt['profile_inj'] ? '%2$s' . $this->seo_delim['group'] . '%3$s' : $this->seo_static['group'] . '%3$s',
),
$this->sftpl
);
if ($this->seo_opt['url_rewrite'] && !defined('ADMIN_START') && isset($this->file_hbase[$this->seo_opt['req_file']]))
{
$this->seo_opt['seo_base_href'] = '<base href="' . $this->file_hbase[$this->seo_opt['req_file']] . '"/>';
}
return;
}
/**
* will make sure that configured options are consistent
*/
public function check_config()
{
$this->modrtype = max(0, (int) $this->modrtype);
// For profiles and user messages pages, if we do not inject, we do not get rid of ids
$this->seo_opt['profile_noids'] = $this->seo_opt['profile_inj'] ? $this->seo_opt['profile_noids'] : false;
// If profile noids ... or user messages virtual folder
if ($this->seo_opt['profile_noids'] || $this->seo_opt['profile_vfolder'])
{
$this->seo_ext['user'] = trim($this->seo_ext['user'], '/') ? '/' : $this->seo_ext['user'];
}
$this->seo_delim['sr'] = trim($this->seo_ext['user'], '/') ? $this->seo_delim['sr'] : $this->seo_ext['user'];
// If we use virtual folder ...
if ($this->seo_opt['virtual_folder'])
{
$this->seo_ext['forum'] = $this->seo_ext['global_announce'] = trim($this->seo_ext['forum'], '/') ? '/' : $this->seo_ext['forum'];
}
// If the forum cache is not activated
if (!$this->seo_opt['cache_layer'])
{
$this->seo_opt['rem_ids'] = false;
}
// virtual root option
if ($this->seo_opt['virtual_root'] && $this->seo_path['phpbb_script'])
{
// virtual root is available and activated
$this->seo_path['phpbb_urlR'] = $this->seo_path['root_url'];
$this->file_hbase['index'] = $this->seo_path['phpbb_url'];
$this->seo_static['index'] = empty($this->seo_static['index']) ? 'forum' : $this->seo_static['index'];
}
else
{
// virtual root is not used or usable
$this->seo_opt['virtual_root'] = false;
}
$this->seo_ext['index'] = empty($this->seo_static['index']) ? '' : (empty($this->seo_ext['index']) ? '.html' : $this->seo_ext['index']);
// In case url rewriting is deactivated
if (!$this->seo_opt['url_rewrite'] || $this->modrtype == 0)
{
$this->seo_opt['sql_rewrite'] = false;
$this->seo_opt['zero_dupe']['on'] = false;
}
}
/**
* Of course, there should ba a better way to do that
* @TODO investigate if extending helper service is feasible
*/
public function helper_trick()
{
static $been_here;
if (!empty($been_here))
{
return;
}
foreach ($this->rewrite_method as $path => $method_list)
{
foreach ($method_list as $index => $method)
{
if (is_array($method) || empty($method))
{
continue;
}
$this->rewrite_method[$this->phpbb_root_path . '../'][$index] = $method;
$this->rewrite_method[$this->phpbb_root_path . '../../'][$index] = $method;
}
}
$been_here = true;
}
// --> URL rewriting functions <--
/**
* format_url($url, $type = 'topic')
* Prepare Titles for URL injection
*/
public function format_url($url, $type = 'topic')
{
$url = preg_replace('`\[.*\]`U', '', $url);
if (isset($this->url_replace['find']))
{
$url = str_replace($this->url_replace['find'], $this->url_replace['replace'], $url);
}
$url = htmlentities($url, ENT_COMPAT, 'UTF-8');
$url = preg_replace($this->RegEx['url_find'], $this->RegEx['url_replace'], $url);
$url = strtolower(trim($url, '-'));
return empty($url) ? $type : $url;
}
/**
* set_url($url, $id = 0, $type = 'forum', $parent = '')
* Prepare url first part and checks cache
*/
public function set_url($url, $id = 0, $type = 'forum', $parent = '')
{
if (empty($this->seo_url[$type][$id]))
{
return ($this->seo_url[$type][$id] = !empty($this->cache_config[$type . '_urls'][$id]) ? $this->cache_config[$type . '_urls'][$id] : sprintf($this->sftpl[$type], $this->format_url($url, $this->seo_static[$type]) . $this->seo_delim[$type] . $id, $id));
}
return $this->seo_url[$type][$id];
}
/**
* set_parent_urls(array & $forum_data)
* set/check urls of current forum's parent(s)
*/
public function set_parent_urls(&$forum_data)
{
if (!empty($forum_data['forum_parents']))
{
$forum_parents = @unserialize($forum_data['forum_parents']);
if (!empty($forum_parents))
{
foreach ($forum_parents as $fid => $data)
{
$this->set_url($data[0], $fid, 'forum');
}
}
}
}
/**
* prepare_url($type, $title, $id, $parent = '', $smpl = false)
* Prepare url first part
*/
public function prepare_url($type, $title, $id, $parent = '', $smpl = false)
{
return empty($this->seo_url[$type][$id]) ? ($this->seo_url[$type][$id] = sprintf($this->sftpl[$type . ($smpl ? '_smpl' : '')], $parent, !$smpl ? $this->format_url($title, $this->seo_static[$type]) : '', $id)) : $this->seo_url[$type][$id];
}
/**
* set_title($type, $title, $id, $parent = '')
* Set title for url injection
*/
public function set_title($type, $title, $id, $parent = '')
{
return empty($this->seo_url[$type][$id]) ? ($this->seo_url[$type][$id] = ($parent ? $parent . '/' : '') . $this->format_url($title, $this->seo_static[$type])) : $this->seo_url[$type][$id];
}
/**
* get_url_info($type, $url, $info = 'title')
* Get info from url (title, id, parent etc ...)
*/
public function get_url_info($type, $url, $info = 'title')
{
$url = trim($url, '/ ');
if (preg_match($this->RegEx[$type]['match'], $url, $matches))
{
return !empty($matches[$this->RegEx[$type][$info]]) ? $matches[$this->RegEx[$type][$info]] : '';
}
return '';
}
/**
* check_url($type, $url, $parent = '')
* Validate a prepared url
*/
public function check_url($type, $url, $parent = '')
{
if (empty($url))
{
return false;
}
$parent = !empty($parent) ? (string) $parent : '[a-z0-9/_-]+';
return !empty($this->RegEx[$type]['check']) ? preg_match(sprintf($this->RegEx[$type]['check'], $parent), $url) : false;
}
/**
* prepare_topic_url(&$topic_data, $topic_forum_id)
* Prepare topic url with SQL based URL rewriting
*/
public function prepare_topic_url(&$topic_data, $topic_forum_id = 0)
{
$id = max(0, (int) $topic_data['topic_id']);
if (empty($this->seo_url['topic'][$id]))
{
if (!empty($topic_data['topic_url']))
{
return ($this->seo_url['topic'][$id] = $topic_data['topic_url'] . $id);
}
else
{
if ($this->modrtype > 2)
{
$topic_data['topic_title'] = censor_text($topic_data['topic_title']);
}
$topic_forum_id = $topic_forum_id ? $topic_forum_id : $topic_data['forum_id'];
$parent_forum = $topic_data['topic_type'] == POST_GLOBAL ? $this->seo_static['global_announce'] : (!empty($this->seo_url['forum'][$topic_forum_id]) ? $this->seo_url['forum'][$topic_forum_id] : (!empty($topic_data['forum_name']) ? $this->set_url($topic_data['forum_name'], $topic_forum_id, 'forum') : ''));
return ($this->seo_url['topic'][$id] = sprintf($this->sftpl['topic' . ($this->modrtype > 2 ? '' : '_smpl')], $parent_forum, $this->modrtype > 2 ? $this->format_url($topic_data['topic_title'], $this->seo_static['topic']) : '', $id));
}
}
return $this->seo_url['topic'][$id];
}
/**
* prepare_forum_url(&$forum_data, $parent = '')
* Prepare url first part and checks cache
*/
public function prepare_forum_url(&$forum_data)
{
$id = max(0, (int) $forum_data['forum_id']);
if (empty($this->seo_url['forum'][$id]))
{
$this->seo_url['forum'][$id] = sprintf($this->sftpl['forum'], $this->format_url($forum_data['forum_name'], $this->seo_static['forum']) . $this->seo_delim['forum'] . $id, $id);
}
return $this->seo_url['forum'][$id];
}
/**
* prepare_iurl($data, $type, $parent = '')
* Prepare url first part (not for forums) with SQL based URL rewriting
*/
public function prepare_iurl(&$data, $type, $parent = '')
{
$id = max(0, (int) $data[$type . '_id']);
if (empty($this->seo_url[$type][$id]))
{
if (!empty($data[$type . '_url']))
{
return ($this->seo_url[$type][$id] = $data[$type . '_url'] . $id);
}
else
{
return ($this->seo_url[$type][$id] = sprintf($this->sftpl[$type . ($this->modrtype > 2 ? '' : '_smpl')], $parent, $this->modrtype > 2 ? $this->format_url($data[$type . '_title'], $this->seo_static[$type]) : '', $id));
}
}
return $this->seo_url[$type][$id];
}
/**
* drop_sid($url)
* drop the sid's in url
*/
public function drop_sid($url)
{
return (strpos($url, 'sid=') !== false) ? trim(preg_replace(array('`&(amp;)?sid=[a-z0-9]+(&|&)?`i', '`(\?)sid=[a-z0-9]+(&|&)?`i'), array('\2', '\1'), $url), '?') : $url;
}
/**
* set_user_url($username, $user_id = 0)
* Prepare profile url
*/
public function set_user_url($username, $user_id = 0)
{
if (empty($this->seo_url['user'][$user_id]))
{
$username = strip_tags($username);
$this->seo_url['username'][$username] = $user_id;
if ($this->seo_opt['profile_inj'])
{
if ($this->seo_opt['profile_noids'])
{
$this->seo_url['user'][$user_id] = $this->seo_static['user'] . '/' . $this->seo_url_encode($username);
}
else
{
$this->seo_url['user'][$user_id] = $this->format_url($username, $this->seo_delim['user']) . $this->seo_delim['user'] . $user_id;
}
}
else
{
$this->seo_url['user'][$user_id] = $this->seo_static['user'] . $user_id;
}
}
}
/**
* seo_url_encode($url)
* custom urlencoding
*/
public function seo_url_encode($url)
{
// can be faster to return $url directly if you do not allow more chars than
// [a-zA-Z0-9_\.-] in your usernames
// return $url;
// Here we hanlde the "&", "/", "+" and "#" case proper (http://www.php.net/urlencode => http://issues.apache.org/bugzilla/show_bug.cgi?id=34602)
$find = array('&', '/', '#', '+');
$replace = array('%26', '%2F', '%23', '%2b');
return rawurlencode(str_replace($find, $replace, \utf8_normalize_nfc(htmlspecialchars_decode(str_replace('&amp;', '%26', rawurldecode($url))))));
}
/**
* url_rewrite($url, $params = false, $is_amp = true, $session_id = false)
* builds and Rewrite URLs.
* Allow adding of many more cases than just the
* regular phpBB URL rewritting without slowing down the process.
* Mimics append_sid with some shortcuts related to how url are rewritten
*/
public function url_rewrite($url, $params = false, $is_amp = true, $session_id = false, $is_route = false, $recache = false)
{
global $_SID, $_EXTRA_URL;
if ($is_route)
{
return false;
}
$qs = $anchor = '';
$amp_delim = ($is_amp) ? '&' : '&';
$this->get_vars = array();
if (strpos($url, '#') !== false)
{
list($url, $anchor) = explode('#', $url, 2);
$anchor = '#' . $anchor;
}
@list($this->path, $qs) = explode('?', $url, 2);
if (is_array($params))
{
if (!empty($params['#']))
{
$anchor = '#' . $params['#'];
unset($params['#']);
}
$qs .= ($qs ? $amp_delim : '') . $this->query_string($params, $amp_delim, '');
}
else if ($params)
{
if (strpos($params, '#') !== false)
{
list($params, $anchor) = explode('#', $params, 2);
$anchor = '#' . $anchor;
}
$qs .= ($qs ? $amp_delim : '') . $params;
}
// Appending custom url parameter?
if (!empty($_EXTRA_URL))
{
$qs .= ($qs ? $amp_delim : '') . implode($amp_delim, $_EXTRA_URL);
}
// Sid ?
if ($session_id === false && !empty($_SID))
{
$qs .= ($qs ? $amp_delim : '') . "sid=$_SID";
}
else if ($session_id)
{
$qs .= ($qs ? $amp_delim : '') . "sid=$session_id";
}
// Build vanilla URL
if (preg_match("`\.[a-z0-9]+$`i", $this->path))
{
$this->file = basename($this->path);
$this->path = ltrim(str_replace($this->file, '', $this->path), '/');
}
else
{
$this->file = '';
$this->path = ltrim($this->path, '/');
}
$this->url_in = $this->file . ($qs ? '?' . $qs : '');
$url = $this->path . $this->url_in;
if (!$recache && isset($this->seo_cache[$url]))
{
return $this->seo_cache[$url] . $anchor;
}
if (!$this->seo_opt['url_rewrite'] || defined('ADMIN_START') || isset($this->stop_dirs[$this->path]))
{
return ($this->seo_cache[$url] = $url) . $anchor;
}
$this->filename = trim(str_replace('.' . $this->php_ext, '', $this->file));
if (isset($this->stop_files[$this->filename]))
{
// add full url
$url = $this->path == $this->phpbb_root_path ? $this->seo_path['phpbb_url'] . preg_replace('`^' . $this->phpbb_root_path . '`', '', $url) : $url;
return ($this->seo_cache[$url] = $url) . $anchor;
}
parse_str(str_replace('&', '&', $qs), $this->get_vars);
// strp slashes if necessary
if (defined('SEO_STRIP'))
{
$this->get_vars = array_map(array($this, 'stripslashes'), $this->get_vars);
}
if (empty($this->user->data['is_registered']))
{
if ($this->seo_opt['rem_sid'])
{
unset($this->get_vars['sid']);
}
if ($this->seo_opt['rem_hilit'])
{
unset($this->get_vars['hilit']);
}
}
$this->url = $this->file;
if (!empty($this->rewrite_method[$this->path][$this->filename]))
{
$rewrite_method_name = $this->rewrite_method[$this->path][$this->filename];
$this->rewriter->$rewrite_method_name();
return ($this->seo_cache[$url] = $this->path . $this->url . $this->query_string($this->get_vars, $amp_delim, '?')) . $anchor;
}
else
{
return ($this->seo_cache[$url] = $url) . $anchor;
}
}
/**
* Returns true if the user can edit urls
* @access public
*/
public function url_can_edit($forum_id = 0)
{
if (empty($this->seo_opt['sql_rewrite']) || empty($this->user->data['is_registered']))
{
return false;
}
if ($this->auth->acl_get('a_'))
{
return true;
}
// un comment to grant url edit perm to moderators in at least a forums
/*
if ($this->auth->acl_getf_global('m_'))
{
return true;
}
*/
$forum_id = max(0, (int) $forum_id);
if ($forum_id && $this->auth->acl_get('m_', $forum_id))
{
return true;
}
return false;
}
/**
* Will break if a $filter pattern is foundin $url.
* Example $filter = array("view=", "mark=");
*/
public function filter_url($filter = array())
{
foreach ($filter as $patern)
{
if (strpos($this->url_in, $patern) !== false)
{
$this->get_vars = array();
$this->url = $this->url_in;
return false;
}