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Made pingback receiving better working with WordPress Pingbacks

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This commit is contained in:
Grischa Brockhaus 2007-08-20 20:56:06 +00:00
parent ff5a8b6537
commit 84d70b725c
1 changed files with 66 additions and 29 deletions
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95
include/functions_trackbacks.inc.php
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@ -83,11 +83,9 @@ global $serendipity;
<methodName>pingback.ping</methodName>
<params>
<param>
<name>sourceURI</name>
<value><string>$url</string></value>
</param>
<param>
<name>targetURI</name>
<value><string>$loc</string></value>
</param>
</params>
@ -377,9 +375,42 @@ function add_trackback ($id, $title, $url, $name, $excerpt) {
*/
function add_pingback ($id, $postdata) {
global $serendipity;
log_pingback("Reached add_pingback. ID:[$id]");
// XML-RPC Method call without named parameter. This seems to be the default way using XML-RPC
if(preg_match('@<methodCall>\s*<methodName>\s*pingback.ping\s*</methodName>\s*<params>\s*<param>\s*<value>\s*<string>([^<]*)</string>\s*</value>\s*</param>\s*<param>\s*<value>\s*<string>([^<]*)</string>\s*</value>\s*</param>\s*</params>\s*</methodCall>@is', $postdata, $matches)) {
log_pingback("Pingback wp structure.");
$remote = $matches[1];
$local = $matches[2];
log_pingback("remote=$remote, local=$local");
$path = parse_url($remote);
$comment['title'] = 'PingBack';
$comment['url'] = $remote;
$comment['comment'] = '';
$comment['name'] = $path['host'];
#Temporarily disabled until made configurable
#fetchPingbackData($comment);
// if no ID parameter was given, try to get one from targetURI
if (!isset($id) || $id==0) {
log_pingback("ID not found");
$id = evaluateIdByLocalUrl($local);
log_pingback("ID set to $id");
}
if ($id>0) {
serendipity_saveComment($id, $comment, 'PINGBACK');
return 1;
} else {
return 0;
}
}
// XML-RPC Method call with named parameter. I'm not sure, if XML-RPC supports this, but just to be sure
$sourceURI = getPingbackParam('sourceURI', $postdata);
$targetURI = getPingbackParam('targetURI', $postdata);
if (isset($sourceURI) && isset($targetURI)) {
log_pingback("Pingback spec structure.");
$path = parse_url($sourceURI);
$local = $targetURI;
$comment['title'] = 'PingBack';
@ -391,37 +422,42 @@ function add_pingback ($id, $postdata) {
// if no ID parameter was given, try to get one from targetURI
if (!isset($id) || $id==0) {
if (preg_match('@/(\d+)_[^/]*$@', $local, $matches)) {
$id = (int)$matches[1];
}
log_pingback("ID not found");
$id = evaluateIdByLocalUrl($local);
log_pingback("ID set to $id");
}
serendipity_saveComment($id, $comment, 'PINGBACK');
return 1;
}
if(preg_match('@<methodCall>\s*<methodName>\s*pingback.ping\s*</methodName>\s*<params>\s*<param>\s*<value>\s*<string>([^<]*)</string>\s*</value>\s*</param>\s*<param>\s*<value>\s*<string>([^<]*)</string>\s*</value>\s*</param>\s*</params>\s*</methodCall>@is', $postdata, $matches)) {
$remote = $matches[1];
$local = $matches[2];
$path = parse_url($remote);
$comment['title'] = 'PingBack';
$comment['url'] = $remote;
$comment['comment'] = '';
$comment['name'] = $path['host'];
#Temporarily disabled until made configurable
#fetchPingbackData($comment);
// if no ID parameter was given, try to get one from targetURI
if (!isset($id) || $id==0) {
if (preg_match('@/(\d+)_[^/]*$@', $local, $matches)) {
$id = (int)$matches[1];
}
if ($id>0) {
serendipity_saveComment($id, $comment, 'PINGBACK');
return 1;
} else {
return 0;
}
serendipity_saveComment($id, $comment, 'PINGBACK');
return 1;
}
return 0;
}
function evaluateIdByLocalUrl($localUrl) {
global $serendipity;
// Build an ID searchpattern in configured permaling structure:
$permalink_article = $serendipity['permalinkStructure'];
log_pingback("perma: $permalink_article");
$permalink_article = str_replace('.','\.',$permalink_article);
$permalink_article = str_replace('+','\+',$permalink_article);
$permalink_article = str_replace('?','\?',$permalink_article);
$permalink_article = str_replace('%id%','(\d+)',$permalink_article);
$permalink_article = str_replace('%title%','[^/]*',$permalink_article);
$permalink_article_regex = '@' . $permalink_article . '$@';
log_pingback("regex: $permalink_article_regex");
if (preg_match($permalink_article_regex, $localUrl, $matches)) {
return (int)$matches[1];
} else {
return 0;
}
}
/**
* Gets a XML-RPC pingback.ping value by given parameter name
* @access private
@ -463,7 +499,7 @@ function fetchPingbackData( &$comment) {
$fContent = $req->getResponseBody();
// Get a title
if (preg_match('@<head>.*?<title>(.*?)</title>.*?</head>@is',$fContent,$matches)) {
if (preg_match('@<head[^>]*>.*?<title[^>]*>(.*?)</title>.*?</head>@is',$fContent,$matches)) {
$comment['title'] = strip_tags($matches[1]);
}
@ -789,4 +825,5 @@ function is_utf8($string) {
. '|[\xF1-\xF3][\x80-\xBF]{3}' # planes 4-15
. '|\xF4[\x80-\x8F][\x80-\xBF]{2}' # plane 16
. ')*$%xs', $string);
}
}