diff options
Diffstat (limited to 'wp-inst/wp-includes/comment-functions.php')
| -rw-r--r-- | wp-inst/wp-includes/comment-functions.php | 678 |
1 files changed, 678 insertions, 0 deletions
diff --git a/wp-inst/wp-includes/comment-functions.php b/wp-inst/wp-includes/comment-functions.php new file mode 100644 index 0000000..e1b426e --- /dev/null +++ b/wp-inst/wp-includes/comment-functions.php @@ -0,0 +1,678 @@ +<?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 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( $comment_id ) { + global $wpdb, $comment_count_cache; + $comment_id = (int) $comment_id; + if (!isset($comment_count_cache[$comment_id])) + $comment_count_cache[$comment_id] = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_id' AND comment_approved = '1'"); + + return apply_filters('get_comments_number', $comment_count_cache[$comment_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="'.$CSSclass.'"'; + } + echo '>'; + comments_number($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 ) ) + $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 $tablecomments, $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 $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); + break; + case 'blog': + $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $tablecomments WHERE comment_date_gmt <= '$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 $tablecomments WHERE comment_date_gmt <= '$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) ) : // If we haven't pung it already + $test = parse_url($link_test); + if (isset($test['query'])) + $post_links[] = $link_test; + elseif(($test['path'] != '/') && ($test['path'] != '')) + $post_links[] = $link_test; + endif; + endforeach; + + foreach ($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 ( $client->query('pingback.ping', array($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 PHP/" . phpversion() . "\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 > $timeout_bytes) { + // It's no use going further, there probably isn't any pingback + // server to find in this file. (Prevents loading large files.) + return false; + } + } + + // We didn't find anything. + return false; +} + + +function wp_set_comment_status($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': + $query = "DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1"; + break; + default: + return false; + } + + if ($wpdb->query($query)) { + do_action('wp_set_comment_status', $comment_id, $comment_status); + return true; + } else { + return false; + } +} + + +function wp_get_comment_status($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 && false === strpos( $email, get_settings('moderation_keys')) ) + return true; + else + return false; + } else { + return false; + } + } + + return true; +} + +?> |