mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-18 00:25:37 +01:00
8a4b655453
git-svn-id: http://svn.automattic.com/wordpress/trunk@4265 1a063a9b-81f0-0310-95a4-ce76da25c4cd
802 lines
28 KiB
PHP
802 lines
28 KiB
PHP
<?php
|
|
|
|
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
|
|
global $wpdb;
|
|
|
|
if (1 == get_option('comment_moderation')) return false; // If moderation is set to manual
|
|
|
|
if ( (count(explode('http:', $comment)) - 1) >= get_option('comment_max_links') )
|
|
return false; // Check # of external links
|
|
|
|
$mod_keys = trim( get_option('moderation_keys') );
|
|
if ( !empty($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_option('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;
|
|
|
|
$post_id = (int) $post_id;
|
|
return $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1' ORDER BY comment_date");
|
|
}
|
|
|
|
// Retrieves comment data given a comment ID or comment object.
|
|
// Handles comment caching.
|
|
function &get_comment(&$comment, $output = OBJECT) {
|
|
global $comment_cache, $wpdb;
|
|
|
|
if ( empty($comment) )
|
|
return null;
|
|
|
|
if ( is_object($comment) ) {
|
|
if ( !isset($comment_cache[$comment->comment_ID]) )
|
|
$comment_cache[$comment->comment_ID] = &$comment;
|
|
$_comment = & $comment_cache[$comment->comment_ID];
|
|
} else {
|
|
if ( !isset($comment_cache[$comment]) ) {
|
|
$_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1");
|
|
$comment_cache[$comment->comment_ID] = & $_comment;
|
|
} else {
|
|
$_comment = & $comment_cache[$comment];
|
|
}
|
|
}
|
|
|
|
if ( $output == OBJECT ) {
|
|
return $_comment;
|
|
} elseif ( $output == ARRAY_A ) {
|
|
return get_object_vars($_comment);
|
|
} elseif ( $output == ARRAY_N ) {
|
|
return array_values(get_object_vars($_comment));
|
|
} else {
|
|
return $_comment;
|
|
}
|
|
}
|
|
|
|
// Deprecate in favor of get_comment()?
|
|
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 $myrow;
|
|
}
|
|
|
|
function get_lastcommentmodified($timezone = 'server') {
|
|
global $cache_lastcommentmodified, $pagenow, $wpdb;
|
|
$add_seconds_blog = get_option('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 $lastcommentmodified;
|
|
}
|
|
|
|
function sanitize_comment_cookies() {
|
|
if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {
|
|
$comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);
|
|
$comment_author = stripslashes($comment_author);
|
|
$comment_author = wp_specialchars($comment_author, true);
|
|
$_COOKIE['comment_author_'.COOKIEHASH] = $comment_author;
|
|
}
|
|
|
|
if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) {
|
|
$comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]);
|
|
$comment_author_email = stripslashes($comment_author_email);
|
|
$comment_author_email = wp_specialchars($comment_author_email, true);
|
|
$_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
|
|
}
|
|
|
|
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) {
|
|
$comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]);
|
|
$comment_author_url = stripslashes($comment_author_url);
|
|
$comment_author_url = wp_specialchars($comment_author_url, true);
|
|
$_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
|
|
}
|
|
}
|
|
|
|
function wp_allow_comment($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) )
|
|
wp_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);
|
|
$flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);
|
|
if ( $flood_die ) {
|
|
do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
|
|
wp_die( __('You are posting comments too quickly. Slow down.') );
|
|
}
|
|
}
|
|
|
|
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 $approved;
|
|
}
|
|
|
|
function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
|
|
global $wpdb;
|
|
|
|
do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
|
|
|
|
if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
|
|
foreach ($chars[1] as $char) {
|
|
// If it's an encoded char in the normal ASCII set, reject
|
|
if ( 38 == $char )
|
|
continue; // Unless it's &
|
|
if ($char < 128)
|
|
return true;
|
|
}
|
|
}
|
|
|
|
$mod_keys = trim( get_option('blacklist_keys') );
|
|
if ('' == $mod_keys )
|
|
return false; // If moderation keys are empty
|
|
$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, $author ) ) return true;
|
|
if ( preg_match($pattern, $email ) ) return true;
|
|
if ( preg_match($pattern, $url ) ) return true;
|
|
if ( preg_match($pattern, $comment ) ) return true;
|
|
if ( preg_match($pattern, $user_ip ) ) return true;
|
|
if ( preg_match($pattern, $user_agent) ) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function wp_delete_comment($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 && $comment->comment_approved == 1 )
|
|
wp_update_comment_count($post_id);
|
|
|
|
do_action('wp_set_comment_status', $comment_id, 'delete');
|
|
return true;
|
|
}
|
|
|
|
function wp_get_comment_status($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 wp_get_current_commenter() {
|
|
// Cookies should already be sanitized.
|
|
|
|
$comment_author = '';
|
|
if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
|
|
$comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
|
|
|
|
$comment_author_email = '';
|
|
if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
|
|
$comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
|
|
|
|
$comment_author_url = '';
|
|
if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
|
|
$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
|
|
|
|
return compact('comment_author', 'comment_author_email', 'comment_author_url');
|
|
}
|
|
|
|
function wp_insert_comment($commentdata) {
|
|
global $wpdb;
|
|
extract($commentdata);
|
|
|
|
if ( ! isset($comment_author_IP) )
|
|
$comment_author_IP = preg_replace( '/[^0-9., ]/', '',$_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) )
|
|
$comment_approved = 1;
|
|
if ( ! isset($user_id) )
|
|
$user_id = 0;
|
|
|
|
$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 ( $comment_approved == 1)
|
|
wp_update_comment_count($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 $commentdata;
|
|
}
|
|
|
|
function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
|
|
if ( $block ) // a plugin has already blocked... we'll let that decision stand
|
|
return $block;
|
|
if ( ($time_newcomment - $time_lastcomment) < 15 )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
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'];
|
|
|
|
$commentdata['comment_author_IP'] = preg_replace( '/[^0-9., ]/', '',$_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_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )
|
|
wp_notify_postauthor($comment_ID, $commentdata['comment_type']);
|
|
}
|
|
|
|
return $comment_ID;
|
|
}
|
|
|
|
function wp_set_comment_status($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 = '$comment_post_ID'" );
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function wp_update_comment($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);
|
|
|
|
$commentarr = wp_filter_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 = $wpdb->rows_affected;
|
|
|
|
wp_update_comment_count($comment_post_ID);
|
|
|
|
do_action('edit_comment', $comment_ID);
|
|
|
|
return $rval;
|
|
}
|
|
|
|
function wp_update_comment_count($post_id) {
|
|
global $wpdb, $comment_count_cache;
|
|
$post_id = (int) $post_id;
|
|
if ( !$post_id )
|
|
return false;
|
|
$count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1'");
|
|
$wpdb->query("UPDATE $wpdb->posts SET comment_count = $count WHERE ID = '$post_id'");
|
|
$comment_count_cache[$post_id] = $count;
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Ping and trackback functions.
|
|
//
|
|
|
|
function discover_pingback_server_uri($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, $pingback_server_url_len);
|
|
// We may find rel="pingback" but an incomplete pingback URL
|
|
if ($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 do_all_pings() {
|
|
global $wpdb;
|
|
|
|
// Do pingbacks
|
|
while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
|
|
$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';");
|
|
pingback($ping->post_content, $ping->ID);
|
|
}
|
|
|
|
// Do Enclosures
|
|
while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
|
|
$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$enclosure->ID} AND meta_key = '_encloseme';");
|
|
do_enclose($enclosure->post_content, $enclosure->ID);
|
|
}
|
|
|
|
// Do Trackbacks
|
|
$trackbacks = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE CHAR_LENGTH(TRIM(to_ping)) > 7 AND post_status = 'publish'");
|
|
if ( is_array($trackbacks) ) {
|
|
foreach ( $trackbacks as $trackback ) {
|
|
do_trackbacks($trackback->ID);
|
|
}
|
|
}
|
|
|
|
//Do Update Services/Generic Pings
|
|
generic_ping();
|
|
}
|
|
|
|
function do_trackbacks($post_id) {
|
|
global $wpdb;
|
|
|
|
$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $post_id");
|
|
$to_ping = get_to_ping($post_id);
|
|
$pinged = get_pung($post_id);
|
|
if ( empty($to_ping) ) {
|
|
$wpdb->query("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = '$post_id'");
|
|
return;
|
|
}
|
|
|
|
if (empty($post->post_excerpt))
|
|
$excerpt = apply_filters('the_content', $post->post_content);
|
|
else
|
|
$excerpt = apply_filters('the_excerpt', $post->post_excerpt);
|
|
$excerpt = str_replace(']]>', ']]>', $excerpt);
|
|
$excerpt = strip_tags($excerpt);
|
|
if ( function_exists('mb_strcut') ) // For international trackbacks
|
|
$excerpt = mb_strcut($excerpt, 0, 252, get_option('blog_charset')) . '...';
|
|
else
|
|
$excerpt = substr($excerpt, 0, 252) . '...';
|
|
|
|
$post_title = apply_filters('the_title', $post->post_title);
|
|
$post_title = strip_tags($post_title);
|
|
|
|
if ($to_ping) : foreach ($to_ping as $tb_ping) :
|
|
$tb_ping = trim($tb_ping);
|
|
if ( !in_array($tb_ping, $pinged) ) {
|
|
trackback($tb_ping, $post_title, $excerpt, $post_id);
|
|
$pinged[] = $tb_ping;
|
|
} else {
|
|
$wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = '$post_id'");
|
|
}
|
|
endforeach; endif;
|
|
}
|
|
|
|
function generic_ping($post_id = 0) {
|
|
$services = get_option('ping_sites');
|
|
$services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines
|
|
$services = trim($services);
|
|
if ( '' != $services ) {
|
|
$services = explode("\n", $services);
|
|
foreach ($services as $service) {
|
|
weblog_ping($service);
|
|
}
|
|
}
|
|
|
|
return $post_id;
|
|
}
|
|
|
|
function pingback($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[] = $link_test;
|
|
endif;
|
|
endforeach;
|
|
|
|
do_action_ref_array('pre_ping', array(&$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 privacy_ping_filter( $sites ) {
|
|
if ( '0' != get_option('blog_public') )
|
|
return $sites;
|
|
else
|
|
return '';
|
|
}
|
|
|
|
// Send a Trackback
|
|
function trackback($trackback_url, $title, $excerpt, $ID) {
|
|
global $wpdb, $wp_version;
|
|
|
|
if ( empty($trackback_url) )
|
|
return;
|
|
|
|
$title = urlencode($title);
|
|
$excerpt = urlencode($excerpt);
|
|
$blog_name = urlencode(get_option('blogname'));
|
|
$tb_url = $trackback_url;
|
|
$url = urlencode(get_permalink($ID));
|
|
$query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt";
|
|
$trackback_url = parse_url($trackback_url);
|
|
$http_request = 'POST ' . $trackback_url['path'] . ($trackback_url['query'] ? '?'.$trackback_url['query'] : '') . " HTTP/1.0\r\n";
|
|
$http_request .= 'Host: '.$trackback_url['host']."\r\n";
|
|
$http_request .= 'Content-Type: application/x-www-form-urlencoded; charset='.get_option('blog_charset')."\r\n";
|
|
$http_request .= 'Content-Length: '.strlen($query_string)."\r\n";
|
|
$http_request .= "User-Agent: WordPress/" . $wp_version;
|
|
$http_request .= "\r\n\r\n";
|
|
$http_request .= $query_string;
|
|
if ( '' == $trackback_url['port'] )
|
|
$trackback_url['port'] = 80;
|
|
$fs = @fsockopen($trackback_url['host'], $trackback_url['port'], $errno, $errstr, 4);
|
|
@fputs($fs, $http_request);
|
|
/*
|
|
$debug_file = 'trackback.log';
|
|
$fp = fopen($debug_file, 'a');
|
|
fwrite($fp, "\n*****\nRequest:\n\n$http_request\n\nResponse:\n\n");
|
|
while(!@feof($fs)) {
|
|
fwrite($fp, @fgets($fs, 4096));
|
|
}
|
|
fwrite($fp, "\n\n");
|
|
fclose($fp);
|
|
*/
|
|
@fclose($fs);
|
|
|
|
$tb_url = addslashes( $tb_url );
|
|
$wpdb->query("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'");
|
|
return $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = '$ID'");
|
|
}
|
|
|
|
function weblog_ping($server = '', $path = '') {
|
|
global $wp_version;
|
|
include_once (ABSPATH . WPINC . '/class-IXR.php');
|
|
|
|
// using a timeout of 3 seconds should be enough to cover slow servers
|
|
$client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
|
|
$client->timeout = 3;
|
|
$client->useragent .= ' -- WordPress/'.$wp_version;
|
|
|
|
// when set to true, this outputs debug messages by itself
|
|
$client->debug = false;
|
|
$home = trailingslashit( get_option('home') );
|
|
if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
|
|
$client->query('weblogUpdates.ping', get_option('blogname'), $home);
|
|
}
|
|
|
|
?>
|