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authorFriendika <info@friendika.com>2011-10-28 02:50:00 -0700
committerFriendika <info@friendika.com>2011-10-28 02:50:00 -0700
commite5992003e88545ffe5df0acc57c850733facdd5e (patch)
treee873335a8e05870e01f5cc8d637611c4ade7c66e /mod
parente5a7b3e24b5eccf31be7ef5b78580b599a94952f (diff)
downloadvolse-hubzilla-e5992003e88545ffe5df0acc57c850733facdd5e.tar.gz
volse-hubzilla-e5992003e88545ffe5df0acc57c850733facdd5e.tar.bz2
volse-hubzilla-e5992003e88545ffe5df0acc57c850733facdd5e.zip
better handling of remote urls - especially FB opengraph
Diffstat (limited to 'mod')
-rw-r--r--mod/parse_url.php72
1 files changed, 70 insertions, 2 deletions
diff --git a/mod/parse_url.php b/mod/parse_url.php
index 7a520ba92..2df9de476 100644
--- a/mod/parse_url.php
+++ b/mod/parse_url.php
@@ -46,6 +46,7 @@ function parse_url_content(&$a) {
killme();
}
+
if($url && $title && $text) {
$text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
@@ -67,13 +68,26 @@ function parse_url_content(&$a) {
killme();
}
- logger('parse_url: data: ' . $s, LOGGER_DATA);
+// logger('parse_url: data: ' . $s, LOGGER_DATA);
if(! $s) {
echo sprintf($template,$url,$url,'') . $str_tags;
killme();
}
+ $matches = '';
+ $c = preg_match('/\<head(.*?)\>(.*?)\<\/head\>/ism',$s,$matches);
+ if($c) {
+// logger('parse_url: header: ' . $matches[2], LOGGER_DATA);
+ try {
+ $domhead = HTML5_Parser::parse($matches[2]);
+ } catch (DOMException $e) {
+ logger('scrape_dfrn: parse error: ' . $e);
+ }
+ if($domhead)
+ logger('parsed header');
+ }
+
if(! $title) {
if(strpos($s,'<title>')) {
$title = substr($s,strpos($s,'<title>')+7,64);
@@ -84,10 +98,11 @@ function parse_url_content(&$a) {
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);
-
$purifier = new HTMLPurifier($config);
$s = $purifier->purify($s);
+// logger('purify_output: ' . $s);
+
try {
$dom = HTML5_Parser::parse($s);
} catch (DOMException $e) {
@@ -157,10 +172,63 @@ function parse_url_content(&$a) {
}
}
+ if(! $text) {
+ logger('parsing meta');
+ $items = $domhead->getElementsByTagName('meta');
+ if($items) {
+ foreach($items as $item) {
+ $property = $item->getAttribute('property');
+ if($property && (stristr($property,':description'))) {
+
+ $text = $item->getAttribute('content');
+ if(stristr($text,'<script')) {
+ $text = '';
+ continue;
+ }
+ $text = strip_tags($text);
+
+
+ $text = substr($text,0,250) . '...' ;
+ }
+ if($property && (stristr($property,':image'))) {
+
+ $image = $item->getAttribute('content');
+ if(stristr($text,'<script')) {
+ $image = '';
+ continue;
+ }
+ $image = strip_tags($image);
+
+ $i = fetch_url($image);
+ if($i) {
+ require_once('include/Photo.php');
+ $ph = new Photo($i);
+ if($ph->is_valid()) {
+ if($ph->getWidth() > 300 || $ph->getHeight() > 300) {
+ $ph->scaleImage(300);
+ $new_width = $ph->getWidth();
+ $new_height = $ph->getHeight();
+ $image = '<br /><br /><img height="' . $new_height . '" width="' . $new_width . '" src="' .$image . '" alt="photo" />';
+ }
+ else
+ $image = '<br /><br /><img src="' . $image . '" alt="photo" />';
+ }
+ else
+ $image = '';
+
+ }
+ }
+ }
+ }
+ }
+
if(strlen($text)) {
$text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
}
+ if($image) {
+ $text = $image . '<br />' . $text;
+ }
$title = str_replace(array("\r","\n"),array('',''),$title);
$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;