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<?php |
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|
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class WordPress_Module extends Red_Module |
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{ |
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var $canonical = 'default'; |
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var $strip_index = 'default'; |
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var $error_level = 'default'; |
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var $time_limit = 0; |
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var $matched; |
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|
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function start () |
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{ |
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// Setup the various filters and actions that allow Redirection to h appen |
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add_action ('template_redirect', array (&$this, 'template_redirect')); |
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add_action ('init', array (&$this, 'init')); |
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add_action ('send_headers', array (&$this, 'send_headers')); |
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add_filter ('permalink_redirect_skip', array (&$this, 'permalink_redirect_skip')); |
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add_filter ('wp_redirect', array (&$this, 'wp_redirect'), 1, 2); |
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|
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// Remove WordPress 2.3 redirection |
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remove_action ('template_redirect', 'wp_old_slug_redirect'); |
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remove_action ('edit_form_advanced', 'wp_remember_old_slug'); |
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|
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// A WP < 2.3 fix |
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global $wp_db_version; |
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if ($wp_db_version < 6000) |
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add_filter ('status_header', array (&$this, 'status_header')); |
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} |
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|
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function init () |
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{ |
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global $redirection; |
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|
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$url = $_SERVER['REQUEST_URI']; |
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|
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// Make sure we don't try and redirect something essential |
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if (!$this->protected_url ($url) && !$redirection->hasMatched ()) { |
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do_action ('redirection_first', $url, $this); |
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|
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$redirects = Red_Item::get_for_url( $url, 'wp' ); |
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|
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if ( !empty( $redirects) ) { |
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foreach ($redirects AS $key => $item) { |
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if ( $item->matches( $url ) ) { |
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global $redirection; |
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|
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$redirection->setMatched( true ); |
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$this->matched = $item; |
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break; |
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} |
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} |
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} |
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|
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do_action ('redirection_last', $url, $this); |
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} |
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} |
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|
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function protected_url ($url) |
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{ |
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global $redirection; |
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$part = explode ('?', $url); |
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|
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if ($part[0] == str_replace (get_bloginfo ('url'), '', $redirection->url ()).'/ajax.php' || strpos($url, 'wp-cron.php') !== false) |
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return true; |
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return false; |
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} |
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|
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function template_redirect () |
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{ |
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// Load data |
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$modules = Red_Module::get_by_type ('wp'); |
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|
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if (count ($modules) > 0) |
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{ |
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foreach ($modules AS $wp) |
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{ |
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// Timeout |
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if ($wp->time_limit != 'default') |
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set_time_limit ($wp->time_limit); |
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|
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// Error level |
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if ($wp->error_level == 'none') |
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error_reporting (0); |
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else if ($wp->error_level == 'show') |
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error_reporting (E_ALL); |
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|
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// Mangle the URL, if needed |
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$url = (isset ($_SERVER['HTTPS']) && strtolower ($_SERVER['HTTPS']) == 'on') ? 'https://' : 'http://'; |
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$url .= $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; |
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$original = $url; |
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|
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if ($wp->canonical == 'www') |
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$url = preg_replace ('@(https?)://(www)?\.?@', '$1://www.', $url); |
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else if ($wp->canonical == 'nowww') |
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$url = preg_replace ('@(https?)://(www)?\.?@', '$1://', $url); |
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|
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if ($wp->strip_index == 'yes') |
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$url = preg_replace ('@index.(htm|html|php|asp|aspx|jsp)@', '', $url); |
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|
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if ($url != $original) |
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wp_redirect ($url, 301); |
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|
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if ($this->matched) |
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$this->matched->action->process_after ($this->matched->action_code, $original); |
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} |
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} |
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} |
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|
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function status_header ($status) |
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{ |
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// Fix for incorrect headers sent when using FastCGI/IIS |
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if (substr (php_sapi_name (), 0, 3) == 'cgi') |
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return str_replace ('HTTP/1.1', 'Status:', $status); |
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return $status; |
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} |
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|
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function send_headers ($obj) |
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{ |
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if ( !empty($this->matched) && $this->matched->type == '410') |
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status_header (410); |
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} |
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|
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function wp_redirect ($url, $status) |
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{ |
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global $wp_version, $is_IIS; |
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if ( $wp_version < '2.1' ) { |
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status_header( $status ); |
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return $url; |
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} elseif ( $is_IIS ) { |
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header( "Refresh: 0;url=$url" ); |
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return $url; |
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} else { |
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if ( $status == 301 && php_sapi_name() == 'cgi-fcgi' ) { |
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$servers_to_check = array( 'lighttpd', 'nginx' ); |
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foreach ( $servers_to_check as $name ) { |
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if ( stripos( $_SERVER['SERVER_SOFTWARE'], $name ) !== false ) { |
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status_header( $status ); |
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header( "Location: $url" ); |
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exit( 0 ); |
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} |
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} |
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} |
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|
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status_header( $status ); |
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return $url; |
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} |
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} |
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|
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// XXX |
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function permalink_redirect_skip ($skip) |
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{ |
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// only want this if we:ve matched using redirection |
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if ($this->matched) |
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$skip[] = $_SERVER['REQUEST_URI']; |
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return $skip; |
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} |
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|
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|
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function load ($data) |
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{ |
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$mine = array ('canonical', 'strip_index', 'error_level', 'time_limit'); |
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foreach ($mine AS $key) |
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{ |
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if (isset ($data[$key])) |
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$this->$key = $data[$key]; |
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} |
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} |
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|
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function save ($data) |
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{ |
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$save = array |
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( |
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'canonical' => $data['canonical'], |
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'strip_index' => $data['strip_index'], |
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'error_level' => $data['error_level'], |
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'time_limit' => $data['time_limit'], |
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); |
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|
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$this->load ($save); |
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return $save; |
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} |
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|
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function config () |
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{ |
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?> |
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<tr> |
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<th><?php _e ('Canonical', 'redirection'); ?>:</th> |
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<td> |
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<select name="canonical"> |
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<?php echo $this->select (array ('default' => __ ('Leave as is', 'redirection'), 'nowww' => sprintf (__ ('Strip WWW (%s)', 'redirection'), preg_replace ('@https?://(www)?@', '', get_bloginfo ('home'))), 'www' => sprintf (__ ('Force WWW (www.%s)', 'redirection'), preg_replace ('@https?://(www)?@', '', get_bloginfo ('home')))), $this->canonical); ?> |
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</select> |
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|
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<strong><?php _e ('Strip Index', 'redirection'); ?>:</strong> |
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<select name="strip_index"> |
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<?php echo $this->select (array ('default' => __ ('Leave as is', 'redirection'), 'yes' => __ ('Strip index files (html,php,asp)', 'redirection')), $this->strip_index); ?> |
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</select> |
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</td> |
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</tr> |
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<tr> |
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<th><?php _e ('Time Limit', 'redirection') ?>:</th> |
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<td> |
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<select name="time_limit"> |
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<?php echo $this->select (array ('default' => __ ('Server default', 'redirection'), '30' => __ ('30 seconds', 'redirection'), '60' => __ ('1 minute', 'redirection'), '120' => __ ('2 minutes', 'redirection'), (5 * 60) => __ ('5 minutes', 'redirection'), '0' => __ ('As long as possible', 'redirection')), $this->time_limit); ?> |
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</select> |
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|
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<strong><?php _e ('Error Level', 'redirection'); ?>:</strong> |
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<select name="error_level"> |
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<?php echo $this->select (array ('default' => __ ('Server default', 'redirection'), 'none' => 'No errors', 'error' => 'Show errors'), $this->error_level); ?> |
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</select> |
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</td> |
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</tr> |
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<?php |
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} |
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|
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function is_valid () |
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{ |
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$perm = get_option ('permalink_structure'); |
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if ($perm === false || $perm == '') |
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return false; |
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return true; |
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} |
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|
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function options () |
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{ |
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if (!$this->is_valid ()) |
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echo __ ('<strong>Disabled: You must enable <a href="options-permalink.php">permalinks</a> before using this</strong>', 'redirection'); |
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else |
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{ |
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$options = array (); |
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if ($this->canonical != 'default' && !empty ($this->canonical)) |
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$options[] = ($this->canonical == 'nowww') ? 'strip WWW' : 'force WWW'; |
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|
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if ($this->strip_index != 'default' && !empty ($this->strip_index)) |
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$options[] = __ ('strip index', 'redirection'); |
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|
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if ($this->time_limit != 'default') |
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{ |
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if ($this->time_limit == 0) |
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$options[] = __ ('time limit set as long as possible', 'redirection'); |
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else |
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$options[] = sprintf (__ ('time limit at %ss', 'redirection'), $this->time_limit); |
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} |
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|
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if ($this->error_level != 'default' && !empty ($this->error_level)) |
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$options[] = ($this->error_level == 'none') ? __ ('no errors', 'redirection') : __ ('show errors', 'redirection'); |
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|
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if (count ($options) > 0) |
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echo '<small>'.ucfirst (implode (', ', $options)).'</small>'; |
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else |
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echo __ ('<small>No options have been set</small>', 'redirection'); |
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} |
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} |
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} |
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?> |
