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<?php |
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|
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class WordPress_Module extends Red_Module { |
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var $canonical = 'default'; |
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var $strip_index = 'default'; |
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var $time_limit = 0; |
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var $matched; |
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|
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function start() { |
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// Setup the various filters and actions that allow Redirection to h appen |
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add_action( 'init', array( &$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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// XXX still needed? |
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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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|
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function init() { |
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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( $url, 'wp' ); |
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|
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foreach ( (array)$redirects AS $key => $item ) { |
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if ( $item->matches( $url ) ) { |
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$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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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 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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if ( !empty( $this->matched ) && $this->matched->match->action_code == '410' ) { |
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add_filter( 'status_header', array( &$this, 'set_header_410' ) ); |
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} |
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} |
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|
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function set_header_410() { |
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return 'HTTP/1.1 410 Gone'; |
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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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function save( $data ) { |
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return array(); |
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} |
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|
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function permalink_redirect_skip( $skip ) { |
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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 $skip; |
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} |
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|
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function is_valid() |
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{ |
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$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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} |
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} |
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|
