/tags/2.0.1/wp-includes/comment-functions.php
PHP | 890 lines | 697 code | 148 blank | 45 comment | 167 complexity | d61de0991d4800562910c556f159c8f4 MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-2.0, LGPL-2.1, GPL-2.0
- <?php
- // Template functions
- function comments_template( $file = '/comments.php' ) {
- global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
- if ( is_single() || is_page() || $withcomments ) :
- $req = get_settings('require_name_email');
- $comment_author = isset($_COOKIE['comment_author_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_'.COOKIEHASH])) : '';
- $comment_author_email = isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_email_'.COOKIEHASH])) : '';
- $comment_author_url = isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_url_'.COOKIEHASH])) : '';
- if ( empty($comment_author) ) {
- $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date");
- } else {
- $author_db = $wpdb->escape($comment_author);
- $email_db = $wpdb->escape($comment_author_email);
- $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND ( comment_approved = '1' OR ( comment_author = '$author_db' AND comment_author_email = '$email_db' AND comment_approved = '0' ) ) ORDER BY comment_date");
- }
- get_currentuserinfo();
- define('COMMENTS_TEMPLATE', true);
- $include = apply_filters('comments_template', TEMPLATEPATH . $file );
- if ( file_exists( $include ) )
- require( $include );
- else
- require( ABSPATH . 'wp-content/themes/default/comments.php');
- endif;
- }
- function wp_new_comment( $commentdata ) {
- $commentdata = apply_filters('preprocess_comment', $commentdata);
- $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
- $commentdata['user_ID'] = (int) $commentdata['user_ID'];
- $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
- $commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT'];
- $commentdata['comment_date'] = current_time('mysql');
- $commentdata['comment_date_gmt'] = current_time('mysql', 1);
-
- $commentdata = wp_filter_comment($commentdata);
- $commentdata['comment_approved'] = wp_allow_comment($commentdata);
- $comment_ID = wp_insert_comment($commentdata);
- do_action('comment_post', $comment_ID, $commentdata['comment_approved']);
- if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
- if ( '0' == $commentdata['comment_approved'] )
- wp_notify_moderator($comment_ID);
- $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment
- if ( get_settings('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )
- wp_notify_postauthor($comment_ID, $commentdata['comment_type']);
- }
- return $comment_ID;
- }
- function wp_insert_comment($commentdata) {
- global $wpdb;
- extract($commentdata);
- if ( ! isset($comment_author_IP) )
- $comment_author_IP = $_SERVER['REMOTE_ADDR'];
- if ( ! isset($comment_date) )
- $comment_date = current_time('mysql');
- if ( ! isset($comment_date_gmt) )
- $comment_date_gmt = gmdate('Y-m-d H:i:s', strtotime($comment_date) );
- if ( ! isset($comment_parent) )
- $comment_parent = 0;
- if ( ! isset($comment_approved) )
- $comment_approved = 1;
- $result = $wpdb->query("INSERT INTO $wpdb->comments
- (comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id)
- VALUES
- ('$comment_post_ID', '$comment_author', '$comment_author_email', '$comment_author_url', '$comment_author_IP', '$comment_date', '$comment_date_gmt', '$comment_content', '$comment_approved', '$comment_agent', '$comment_type', '$comment_parent', '$user_id')
- ");
- $id = $wpdb->insert_id;
- if ( $comment_approved == 1) {
- $count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'");
- $wpdb->query( "UPDATE $wpdb->posts SET comment_count = $count WHERE ID = '$comment_post_ID'" );
- }
- return $id;
- }
- function wp_filter_comment($commentdata) {
- $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']);
- $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']);
- $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']);
- $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']);
- $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']);
- $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']);
- $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']);
- $commentdata['filtered'] = true;
- return $commentdata;
- }
- function wp_allow_comment($commentdata) {
- global $wpdb;
- extract($commentdata);
- $comment_user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($comment_author_IP) );
- // Simple duplicate check
- $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
- if ( $comment_author_email )
- $dupe .= "OR comment_author_email = '$comment_author_email' ";
- $dupe .= ") AND comment_content = '$comment_content' LIMIT 1";
- if ( $wpdb->get_var($dupe) )
- die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );
- // Simple flood-protection
- if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$comment_author_IP' OR comment_author_email = '$comment_author_email' ORDER BY comment_date DESC LIMIT 1") ) {
- $time_lastcomment = mysql2date('U', $lasttime);
- $time_newcomment = mysql2date('U', $comment_date_gmt);
- if ( ($time_newcomment - $time_lastcomment) < 15 ) {
- do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
- die( __('Sorry, you can only post a new comment once every 15 seconds. Slow down cowboy.') );
- }
- }
- if ( $user_id ) {
- $userdata = get_userdata($user_id);
- $user = new WP_User($user_id);
- $post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1");
- }
- // The author and the admins get respect.
- if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) {
- $approved = 1;
- }
- // Everyone else's comments will be checked.
- else {
- if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) )
- $approved = 1;
- else
- $approved = 0;
- if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) )
- $approved = 'spam';
- }
- $approved = apply_filters('pre_comment_approved', $approved);
- return $approved;
- }
- function wp_update_comment($commentarr) {
- global $wpdb;
- // First, get all of the original fields
- $comment = get_comment($commentarr['comment_ID'], ARRAY_A);
- // Escape data pulled from DB.
- foreach ($comment as $key => $value)
- $comment[$key] = $wpdb->escape($value);
- // Merge old and new fields with new fields overwriting old ones.
- $commentarr = array_merge($comment, $commentarr);
- // Now extract the merged array.
- extract($commentarr);
- $comment_content = apply_filters('comment_save_pre', $comment_content);
- $result = $wpdb->query(
- "UPDATE $wpdb->comments SET
- comment_content = '$comment_content',
- comment_author = '$comment_author',
- comment_author_email = '$comment_author_email',
- comment_approved = '$comment_approved',
- comment_author_url = '$comment_author_url',
- comment_date = '$comment_date'
- WHERE comment_ID = $comment_ID" );
- $rval = $wpdb->rows_affected;
- $c = $wpdb->get_row( "SELECT count(*) as c FROM {$wpdb->comments} WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'" );
- if( is_object( $c ) )
- $wpdb->query( "UPDATE $wpdb->posts SET comment_count = '$c->c' WHERE ID = '$comment_post_ID'" );
- do_action('edit_comment', $comment_ID);
- return $rval;
- }
- function wp_delete_comment($comment_id) {
- global $wpdb;
- do_action('delete_comment', $comment_id);
- $comment = get_comment($comment_id);
- if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") )
- return false;
- $post_id = $comment->comment_post_ID;
- if ( $post_id && $comment->comment_approved == 1 )
- $wpdb->query( "UPDATE $wpdb->posts SET comment_count = comment_count - 1 WHERE ID = '$post_id'" );
- do_action('wp_set_comment_status', $comment_id, 'delete');
- return true;
- }
- function clean_url( $url ) {
- if ('' == $url) return $url;
- $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $url);
- $url = str_replace(';//', '://', $url);
- $url = (!strstr($url, '://')) ? 'http://'.$url : $url;
- $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
- return $url;
- }
- function get_comments_number( $post_id = 0 ) {
- global $wpdb, $comment_count_cache, $id;
- $post_id = (int) $post_id;
- if ( !$post_id )
- $post_id = $id;
- if ( !isset($comment_count_cache[$post_id]) )
- $comment_count_cache[$id] = $wpdb->get_var("SELECT comment_count FROM $wpdb->posts WHERE ID = '$post_id'");
-
- return apply_filters('get_comments_number', $comment_count_cache[$post_id]);
- }
- function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) {
- global $id, $comment;
- $number = get_comments_number( $id );
- if ($number == 0) {
- $blah = $zero;
- } elseif ($number == 1) {
- $blah = $one;
- } elseif ($number > 1) {
- $blah = str_replace('%', $number, $more);
- }
- echo apply_filters('comments_number', $blah);
- }
- function get_comments_link() {
- return get_permalink() . '#comments';
- }
- function get_comment_link() {
- global $comment;
- return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
- }
- function comments_link( $file = '', $echo = true ) {
- echo get_comments_link();
- }
- function comments_popup_script($width=400, $height=400, $file='') {
- global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript;
- if (empty ($file)) {
- $wpcommentspopupfile = ''; // Use the index.
- } else {
- $wpcommentspopupfile = $file;
- }
- $wpcommentsjavascript = 1;
- $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
- echo $javascript;
- }
- function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Comments', $CSSclass='', $none='Comments Off') {
- global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post, $wpdb;
- global $comment_count_cache;
-
- if (! is_single() && ! is_page()) {
- if ( !isset($comment_count_cache[$id]) )
- $comment_count_cache[$id] = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = $id AND comment_approved = '1';");
-
- $number = $comment_count_cache[$id];
-
- if (0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status) {
- echo $none;
- return;
- } else {
- if (!empty($post->post_password)) { // if there's a password
- if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) { // and it doesn't match the cookie
- echo(__('Enter your password to view comments'));
- return;
- }
- }
- echo '<a href="';
- if ($wpcommentsjavascript) {
- if ( empty($wpcommentspopupfile) )
- $home = get_settings('home');
- else
- $home = get_settings('siteurl');
- echo $home . '/' . $wpcommentspopupfile.'?comments_popup='.$id;
- echo '" onclick="wpopen(this.href); return false"';
- } else { // if comments_popup_script() is not in the template, display simple comment link
- if ( 0 == $number )
- echo get_permalink() . '#respond';
- else
- comments_link();
- echo '"';
- }
- if (!empty($CSSclass)) {
- echo ' class="'.$CSSclass.'"';
- }
- echo ' title="' . sprintf( __('Comment on %s'), $post->post_title ) .'">';
- comments_number($zero, $one, $more, $number);
- echo '</a>';
- }
- }
- }
- function get_comment_ID() {
- global $comment;
- return apply_filters('get_comment_ID', $comment->comment_ID);
- }
- function comment_ID() {
- echo get_comment_ID();
- }
- function get_comment_author() {
- global $comment;
- if ( empty($comment->comment_author) )
- $author = __('Anonymous');
- else
- $author = $comment->comment_author;
- return apply_filters('get_comment_author', $author);
- }
- function comment_author() {
- $author = apply_filters('comment_author', get_comment_author() );
- echo $author;
- }
- function get_comment_author_email() {
- global $comment;
- return apply_filters('get_comment_author_email', $comment->comment_author_email);
- }
- function comment_author_email() {
- echo apply_filters('author_email', get_comment_author_email() );
- }
- function get_comment_author_link() {
- global $comment;
- $url = get_comment_author_url();
- $author = get_comment_author();
- if ( empty( $url ) || 'http://' == $url )
- $return = $author;
- else
- $return = "<a href='$url' rel='external nofollow'>$author</a>";
- return apply_filters('get_comment_author_link', $return);
- }
- function comment_author_link() {
- echo get_comment_author_link();
- }
- function get_comment_type() {
- global $comment;
- if ( '' == $comment->comment_type )
- $comment->comment_type = 'comment';
- return apply_filters('get_comment_type', $comment->comment_type);
- }
- function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
- $type = get_comment_type();
- switch( $type ) {
- case 'trackback' :
- echo $trackbacktxt;
- break;
- case 'pingback' :
- echo $pingbacktxt;
- break;
- default :
- echo $commenttxt;
- }
- }
- function get_comment_author_url() {
- global $comment;
- return apply_filters('get_comment_author_url', $comment->comment_author_url);
- }
- function comment_author_url() {
- echo apply_filters('comment_url', get_comment_author_url());
- }
- function comment_author_email_link($linktext='', $before='', $after='') {
- global $comment;
- $email = apply_filters('comment_email', $comment->comment_author_email);
- if ((!empty($email)) && ($email != '@')) {
- $display = ($linktext != '') ? $linktext : $email;
- echo $before;
- echo "<a href='mailto:$email'>$display</a>";
- echo $after;
- }
- }
- function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
- global $comment;
- $url = get_comment_author_url();
- $display = ($linktext != '') ? $linktext : $url;
- $return = "$before<a href='$url' rel='external'>$display</a>$after";
- return apply_filters('get_comment_author_url_link', $return);
- }
- function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
- echo get_comment_author_url_link( $linktext, $before, $after );
- }
- function get_comment_author_IP() {
- global $comment;
- return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
- }
- function comment_author_IP() {
- echo get_comment_author_IP();
- }
- function get_comment_text() {
- global $comment;
- return apply_filters('get_comment_text', $comment->comment_content);
- }
- function comment_text() {
- echo apply_filters('comment_text', get_comment_text() );
- }
- function get_comment_excerpt() {
- global $comment;
- $comment_text = strip_tags($comment->comment_content);
- $blah = explode(' ', $comment_text);
- if (count($blah) > 20) {
- $k = 20;
- $use_dotdotdot = 1;
- } else {
- $k = count($blah);
- $use_dotdotdot = 0;
- }
- $excerpt = '';
- for ($i=0; $i<$k; $i++) {
- $excerpt .= $blah[$i] . ' ';
- }
- $excerpt .= ($use_dotdotdot) ? '...' : '';
- return apply_filters('get_comment_excerpt', $excerpt);
- }
- function comment_excerpt() {
- echo apply_filters('comment_excerpt', get_comment_excerpt() );
- }
- function get_comment_date( $d = '' ) {
- global $comment;
- if ( '' == $d )
- $date = mysql2date( get_settings('date_format'), $comment->comment_date);
- else
- $date = mysql2date($d, $comment->comment_date);
- return apply_filters('get_comment_date', $date);
- }
- function comment_date( $d = '' ) {
- echo get_comment_date( $d );
- }
- function get_comment_time( $d = '', $gmt = false ) {
- global $comment;
- $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
- if ( '' == $d )
- $date = mysql2date(get_settings('time_format'), $comment_date);
- else
- $date = mysql2date($d, $comment_date);
- return apply_filters('get_comment_time', $date);
- }
- function comment_time( $d = '' ) {
- echo get_comment_time($d);
- }
- function get_trackback_url() {
- global $id;
- $tb_url = get_settings('siteurl') . '/wp-trackback.php?p=' . $id;
- if ( '' != get_settings('permalink_structure') )
- $tb_url = trailingslashit(get_permalink()) . 'trackback/';
- return $tb_url;
- }
- function trackback_url( $display = true ) {
- if ( $display)
- echo get_trackback_url();
- else
- return get_trackback_url();
- }
- function trackback_rdf($timezone = 0) {
- global $id;
- if (!stristr($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator')) {
- echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:dc="http://purl.org/dc/elements/1.1/"
- xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
- <rdf:Description rdf:about="';
- the_permalink();
- echo '"'."\n";
- echo ' dc:identifier="';
- the_permalink();
- echo '"'."\n";
- echo ' dc:title="'.str_replace('--', '--', wptexturize(strip_tags(get_the_title()))).'"'."\n";
- echo ' trackback:ping="'.trackback_url(0).'"'." />\n";
- echo '</rdf:RDF>';
- }
- }
- function comments_open() {
- global $post;
- if ( 'open' == $post->comment_status )
- return true;
- else
- return false;
- }
- function pings_open() {
- global $post;
- if ( 'open' == $post->ping_status )
- return true;
- else
- return false;
- }
- // Non-template functions
- function get_lastcommentmodified($timezone = 'server') {
- global $cache_lastcommentmodified, $pagenow, $wpdb;
- $add_seconds_blog = get_settings('gmt_offset') * 3600;
- $add_seconds_server = date('Z');
- $now = current_time('mysql', 1);
- if ( !isset($cache_lastcommentmodified[$timezone]) ) {
- switch(strtolower($timezone)) {
- case 'gmt':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- case 'blog':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- case 'server':
- $lastcommentmodified = $wpdb->get_var("SELECT DATE_ADD(comment_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- }
- $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
- } else {
- $lastcommentmodified = $cache_lastcommentmodified[$timezone];
- }
- return $lastcommentmodified;
- }
- function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) { // less flexible, but saves DB queries
- global $postc, $id, $commentdata, $wpdb;
- if ($no_cache) {
- $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'";
- if (false == $include_unapproved) {
- $query .= " AND comment_approved = '1'";
- }
- $myrow = $wpdb->get_row($query, ARRAY_A);
- } else {
- $myrow['comment_ID'] = $postc->comment_ID;
- $myrow['comment_post_ID'] = $postc->comment_post_ID;
- $myrow['comment_author'] = $postc->comment_author;
- $myrow['comment_author_email'] = $postc->comment_author_email;
- $myrow['comment_author_url'] = $postc->comment_author_url;
- $myrow['comment_author_IP'] = $postc->comment_author_IP;
- $myrow['comment_date'] = $postc->comment_date;
- $myrow['comment_content'] = $postc->comment_content;
- $myrow['comment_karma'] = $postc->comment_karma;
- $myrow['comment_approved'] = $postc->comment_approved;
- $myrow['comment_type'] = $postc->comment_type;
- }
- return $myrow;
- }
- function pingback($content, $post_ID) {
- global $wp_version, $wpdb;
- include_once (ABSPATH . WPINC . '/class-IXR.php');
- // original code by Mort (http://mort.mine.nu:8080)
- $log = debug_fopen(ABSPATH . '/pingback.log', 'a');
- $post_links = array();
- debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n");
- $pung = get_pung($post_ID);
- // Variables
- $ltrs = '\w';
- $gunk = '/#~:.?+=&%@!\-';
- $punc = '.:?\-';
- $any = $ltrs . $gunk . $punc;
- // Step 1
- // Parsing the post, external links (if any) are stored in the $post_links array
- // This regexp comes straight from phpfreaks.com
- // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php
- preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
- // Debug
- debug_fwrite($log, 'Post contents:');
- debug_fwrite($log, $content."\n");
-
- // Step 2.
- // Walking thru the links array
- // first we get rid of links pointing to sites, not to specific files
- // Example:
- // http://dummy-weblog.org
- // http://dummy-weblog.org/
- // http://dummy-weblog.org/post.php
- // We don't wanna ping first and second types, even if they have a valid <link/>
- foreach($post_links_temp[0] as $link_test) :
- if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
- && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
- $test = parse_url($link_test);
- if (isset($test['query']))
- $post_links[] = $link_test;
- elseif(($test['path'] != '/') && ($test['path'] != ''))
- $post_links[] = $link_test;
- endif;
- endforeach;
- do_action('pre_ping', array(&$post_links, &$pung));
- foreach ($post_links as $pagelinkedto){
- debug_fwrite($log, "Processing -- $pagelinkedto\n");
- $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
- if ($pingback_server_url) {
- @ set_time_limit( 60 );
- // Now, the RPC call
- debug_fwrite($log, "Page Linked To: $pagelinkedto \n");
- debug_fwrite($log, 'Page Linked From: ');
- $pagelinkedfrom = get_permalink($post_ID);
- debug_fwrite($log, $pagelinkedfrom."\n");
- // using a timeout of 3 seconds should be enough to cover slow servers
- $client = new IXR_Client($pingback_server_url);
- $client->timeout = 3;
- $client->useragent .= ' -- WordPress/' . $wp_version;
- // when set to true, this outputs debug messages by itself
- $client->debug = false;
-
- if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto ) )
- add_ping( $post_ID, $pagelinkedto );
- else
- debug_fwrite($log, "Error.\n Fault code: ".$client->getErrorCode()." : ".$client->getErrorMessage()."\n");
- }
- }
- debug_fwrite($log, "\nEND: ".time()."\n****************************\n");
- debug_fclose($log);
- }
- function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
- global $wp_version;
- $byte_count = 0;
- $contents = '';
- $headers = '';
- $pingback_str_dquote = 'rel="pingback"';
- $pingback_str_squote = 'rel=\'pingback\'';
- $x_pingback_str = 'x-pingback: ';
- $pingback_href_original_pos = 27;
- extract(parse_url($url));
- if (!isset($host)) {
- // Not an URL. This should never happen.
- return false;
- }
- $path = (!isset($path)) ? '/' : $path;
- $path .= (isset($query)) ? '?'.$query : '';
- $port = (isset($port)) ? $port : 80;
- // Try to connect to the server at $host
- $fp = @fsockopen($host, $port, $errno, $errstr, 2);
- if (!$fp) {
- // Couldn't open a connection to $host;
- return false;
- }
- // Send the GET request
- $request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version \r\n\r\n";
- // ob_end_flush();
- fputs($fp, $request);
- // Let's check for an X-Pingback header first
- while (!feof($fp)) {
- $line = fgets($fp, 512);
- if (trim($line) == '') {
- break;
- }
- $headers .= trim($line)."\n";
- $x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
- if ($x_pingback_header_offset) {
- // We got it!
- preg_match('#x-pingback: (.+)#is', $headers, $matches);
- $pingback_server_url = trim($matches[1]);
- return $pingback_server_url;
- }
- if(strpos(strtolower($headers), 'content-type: ')) {
- preg_match('#content-type: (.+)#is', $headers, $matches);
- $content_type = trim($matches[1]);
- }
- }
- if (preg_match('#(image|audio|video|model)/#is', $content_type)) {
- // Not an (x)html, sgml, or xml page, no use going further
- return false;
- }
- while (!feof($fp)) {
- $line = fgets($fp, 1024);
- $contents .= trim($line);
- $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
- $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
- if ($pingback_link_offset_dquote || $pingback_link_offset_squote) {
- $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
- $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
- $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
- $pingback_href_start = $pingback_href_pos+6;
- $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
- $pingback_server_url_len = $pingback_href_end - $pingback_href_start;
- $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
- // We may find rel="pingback" but an incomplete pingback URI
- if ($pingback_server_url_len > 0) {
- // We got it!
- return $pingback_server_url;
- }
- }
- $byte_count += strlen($line);
- if ($byte_count > $timeout_bytes) {
- // It's no use going further, there probably isn't any pingback
- // server to find in this file. (Prevents loading large files.)
- return false;
- }
- }
- // We didn't find anything.
- return false;
- }
- function is_local_attachment($url) {
- if ( !strstr($url, get_bloginfo('home') ) )
- return false;
- if ( strstr($url, get_bloginfo('home') . '/?attachment_id=') )
- return true;
- if ( $id = url_to_postid($url) ) {
- $post = & get_post($id);
- if ( 'attachment' == $post->post_status )
- return true;
- }
- return false;
- }
- function wp_set_comment_status($comment_id, $comment_status) {
- global $wpdb;
- switch($comment_status) {
- case 'hold':
- $query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1";
- break;
- case 'approve':
- $query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1";
- break;
- case 'spam':
- $query = "UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID='$comment_id' LIMIT 1";
- break;
- case 'delete':
- return wp_delete_comment($comment_id);
- break;
- default:
- return false;
- }
-
- if ($wpdb->query($query)) {
- do_action('wp_set_comment_status', $comment_id, $comment_status);
-
- $comment = get_comment($comment_id);
- $comment_post_ID = $comment->comment_post_ID;
- $c = $wpdb->get_row( "SELECT count(*) as c FROM {$wpdb->comments} WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'" );
- if( is_object( $c ) )
- $wpdb->query( "UPDATE $wpdb->posts SET comment_count = '$c->c' WHERE ID = '$comment_post_ID'" );
- return true;
- } else {
- return false;
- }
- }
- function wp_get_comment_status($comment_id) {
- global $wpdb;
-
- $result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
- if ($result == NULL) {
- return 'deleted';
- } else if ($result == '1') {
- return 'approved';
- } else if ($result == '0') {
- return 'unapproved';
- } else if ($result == 'spam') {
- return 'spam';
- } else {
- return false;
- }
- }
- function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
- global $wpdb;
- if (1 == get_settings('comment_moderation')) return false; // If moderation is set to manual
- if ( (count(explode('http:', $comment)) - 1) >= get_settings('comment_max_links') )
- return false; // Check # of external links
- $mod_keys = trim( get_settings('moderation_keys') );
- if ( !empty($mod_keys) ) {
- $words = explode("\n", $mod_keys );
- foreach ($words as $word) {
- $word = trim($word);
- // Skip empty lines
- if (empty($word)) { continue; }
- // Do some escaping magic so that '#' chars in the
- // spam words don't break things:
- $word = preg_quote($word, '#');
-
- $pattern = "#$word#i";
- if ( preg_match($pattern, $author) ) return false;
- if ( preg_match($pattern, $email) ) return false;
- if ( preg_match($pattern, $url) ) return false;
- if ( preg_match($pattern, $comment) ) return false;
- if ( preg_match($pattern, $user_ip) ) return false;
- if ( preg_match($pattern, $user_agent) ) return false;
- }
- }
- // Comment whitelisting:
- if ( 1 == get_settings('comment_whitelist')) {
- if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll
- $uri = parse_url($url);
- $domain = $uri['host'];
- $uri = parse_url( get_option('home') );
- $home_domain = $uri['host'];
- if ( $wpdb->get_var("SELECT link_id FROM $wpdb->links WHERE link_url LIKE ('%$domain%') LIMIT 1") || $domain == $home_domain )
- return true;
- else
- return false;
- } elseif( $author != '' && $email != '' ) {
- $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
- if ( ( 1 == $ok_to_comment ) &&
- ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
- return true;
- else
- return false;
- } else {
- return false;
- }
- }
- return true;
- }
- function get_approved_comments($post_id) {
- global $wpdb;
- return $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = $post_id AND comment_approved = '1' ORDER BY comment_date");
- }
- ?>