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Enhanced pingback/trackback receiving

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This commit is contained in:
Grischa Brockhaus 2008-01-12 13:06:37 +00:00
parent d95501665a
commit 81506febd0
2 changed files with 48 additions and 9 deletions
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10
docs/NEWS
View File

@ -3,6 +3,16 @@
Version 1.3 ()
------------------------------------------------------------------------
* Pingback/Trackback textfetching: HTML Entities are now converted
to characters. Character encoding defaults to UTF-8 but can be
configured via $serendipity['pingbackEntityEncoding'] = "UTF-8"
in your serendipity_config_local.php (brockhaus)
* For Pingback it is now possible to define the maximum amount of
characters while fetching text of the remote site. Add
$serendipity['pingbackFetchPageMaxLenght'] = 200 to your
serendipity_config_local.php. (brockhaus)
* Add ability to set comments as "pending" again, even when already
approved in the comment-moderation backend panel.
(garvinhicking)

47
include/functions_trackbacks.inc.php
View File

@ -320,6 +320,9 @@ function add_trackback ($id, $title, $url, $name, $excerpt) {
$title = $url;
}
// Decode HTML Entities
$excerpt = trackback_body_strip($excerpt);
$comment = array(
'title' => $title,
'url' => $url,
@ -489,6 +492,17 @@ function fetchPingbackData( &$comment) {
return;
}
// Max amount of characters fetched from the page doing a pingback:
$fetchPageMaxLenght = 200;
if (isset($serendipity['pingbackFetchPageMaxLenght'])){
$fetchPageMaxLenght = $serendipity['pingbackFetchPageMaxLenght'];
}
// HTML Entity Encoding
$entityEncoding = "UTF-8";
if (isset($serendipity['pingbackEntityEncoding'])){
$entityEncoding = $serendipity['pingbackEntityEncoding'];
}
require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
$url = $comment['url'];
@ -507,7 +521,7 @@ function fetchPingbackData( &$comment) {
// Get a title
if (preg_match('@<head[^>]*>.*?<title[^>]*>(.*?)</title>.*?</head>@is',$fContent,$matches)) {
$comment['title'] = strip_tags($matches[1]);
$comment['title'] = html_entity_decode(strip_tags($matches[1]),ENT_COMPAT,$entityEncoding);
}
// Try to get content from first <p> tag on:
@ -519,16 +533,10 @@ function fetchPingbackData( &$comment) {
}
// Get a part of the article
if (!empty($body)) {
$body = strip_tags($body);
//TODO: Serendipity comes into trouble wit html_entity_decode and "Umlaute"
$body = str_replace(array("&nbsp;"),array(' '),$body);
// replace whitespace with single space
$body = preg_replace('@\s+@s', ' ', $body);
$body = trackback_body_strip($body);
// truncate the text to 200 chars
$arr = str_split($body, 200);
$arr = str_split($body, $fetchPageMaxLenght);
$body = $arr[0];
$comment['comment'] = $body . '[..]';
@ -539,6 +547,27 @@ function fetchPingbackData( &$comment) {
}
/**
* Strips any unneeded code from trackback / pingback bodies returning pure (UTF8) text.
*/
function trackback_body_strip( $body ){
// replace non brakeable space with normal space:
$body = str_replace('&nbsp;', ' ', $body);
// HTML Entity Encoding
$entityEncoding = "UTF-8";
if (isset($serendipity['pingbackEntityEncoding'])){
$entityEncoding = $serendipity['pingbackEntityEncoding'];
}
// strip html entities and tags.
$body = html_entity_decode(strip_tags($body),ENT_COMPAT,$entityEncoding);
// replace whitespace with single space
$body = preg_replace('@\s+@s', ' ', $body);
return $body;
}
/**
* Create an excerpt for a trackback to send
*