<?php
+if(!function_exists('deletenode')) {
+ function deletenode(&$doc, $node)
+ {
+ $xpath = new DomXPath($doc);
+ $list = $xpath->query("//".$node);
+ foreach ($list as $child)
+ $child->parentNode->removeChild($child);
+ }
+}
+
+function parseurl_getsiteinfo($url) {
+ $siteinfo = array();
-require_once('library/HTML5/Parser.php');
-require_once('library/HTMLPurifier.auto.php');
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_HEADER, 1);
+ curl_setopt($ch, CURLOPT_NOBODY, 0);
+ curl_setopt($ch, CURLOPT_TIMEOUT, 3);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+ curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1');
+
+ $header = curl_exec($ch);
+ curl_close($ch);
+
+ if (preg_match('/charset=(.*?)\n/', $header, $matches))
+ $charset = trim(array_pop($matches));
+ else
+ $charset = "utf-8";
+
+ $pos = strpos($header, "\r\n\r\n");
+
+ if ($pos)
+ $body = trim(substr($header, $pos));
+ else
+ $body = $header;
+
+ $body = mb_convert_encoding($body, "UTF-8", $charset);
+ $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
+
+ $doc = new DOMDocument();
+ @$doc->loadHTML($body);
+
+ deletenode($doc, 'style');
+ deletenode($doc, 'script');
+ deletenode($doc, 'option');
+ deletenode($doc, 'h1');
+ deletenode($doc, 'h2');
+ deletenode($doc, 'h3');
+ deletenode($doc, 'h4');
+ deletenode($doc, 'h5');
+ deletenode($doc, 'h6');
+ deletenode($doc, 'ol');
+ deletenode($doc, 'ul');
+
+ $xpath = new DomXPath($doc);
+
+ $list = $xpath->query("head/title");
+ foreach ($list as $node)
+ $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
+
+ $list = $xpath->query("head/meta[@name]");
+ foreach ($list as $node) {
+ $attr = array();
+ if ($node->attributes->length)
+ foreach ($node->attributes as $attribute)
+ $attr[$attribute->name] = $attribute->value;
+
+ $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8");
+
+ switch (strtolower($attr["name"])) {
+ case "fulltitle":
+ $siteinfo["title"] = $attr["content"];
+ break;
+ case "description":
+ $siteinfo["text"] = $attr["content"];
+ break;
+ case "dc.title":
+ $siteinfo["title"] = $attr["content"];
+ break;
+ case "dc.description":
+ $siteinfo["text"] = $attr["content"];
+ break;
+ }
+ }
+
+ $list = $xpath->query("head/meta[@property]");
+ foreach ($list as $node) {
+ $attr = array();
+ if ($node->attributes->length)
+ foreach ($node->attributes as $attribute)
+ $attr[$attribute->name] = $attribute->value;
+
+ $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8");
+
+ switch (strtolower($attr["property"])) {
+ case "og:image":
+ $siteinfo["image"] = $attr["content"];
+ break;
+ case "og:title":
+ $siteinfo["title"] = $attr["content"];
+ break;
+ case "og:description":
+ $siteinfo["text"] = $attr["content"];
+ break;
+ }
+ }
+
+ if ($siteinfo["image"] == "") {
+ require_once('include/Photo.php');
+ $list = $xpath->query("//img[@src]");
+ foreach ($list as $node) {
+ $attr = array();
+ if ($node->attributes->length)
+ foreach ($node->attributes as $attribute)
+ $attr[$attribute->name] = $attribute->value;
+
+ // guess mimetype from headers or filename
+ $type = guess_image_type($attr["src"],true);
+
+ $i = fetch_url($attr["src"]);
+ $ph = new Photo($i, $type);
+
+ if(($ph->getWidth() > 200) and ($ph->getHeight() > 200))
+ $siteinfo["image"] = $attr["src"];
+ }
+ }
+
+ if ($siteinfo["text"] == "") {
+ $text = "";
+
+ $list = $xpath->query("//div[@class='article']");
+ foreach ($list as $node)
+ $text .= " ".trim($node->nodeValue);
+
+ if ($text == "") {
+ $list = $xpath->query("//div[@class='content']");
+ foreach ($list as $node)
+ $text .= " ".trim($node->nodeValue);
+ }
+
+ // If none text was found then take the paragraph content
+ if ($text == "") {
+ $list = $xpath->query("//p");
+ foreach ($list as $node)
+ $text .= " ".trim($node->nodeValue);
+ }
+
+ if ($text != "") {
+ $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text));
+
+ while (strpos($text, " "))
+ $text = trim(str_replace(" ", " ", $text));
+
+ $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...';
+ }
+ }
+
+ return($siteinfo);
+}
function arr_add_hashes(&$item,$k) {
$item = '#' . $item;
logger('parse_url: ' . $url);
-
if($textmode)
$template = $br . '[bookmark=%s]%s[/bookmark]%s' . $br;
else
$template = "<br /><a class=\"bookmark\" href=\"%s\" >%s</a>%s<br />";
-
$arr = array('url' => $url, 'text' => '');
call_hooks('parse_link', $arr);
if($url && $title && $text) {
if($textmode)
- $text = $br . $br . '[quote]' . $text . '[/quote]' . $br;
+ $text = $br . $br . '[quote]' . trim($text) . '[/quote]' . $br;
else
- $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
+ $text = '<br /><br /><blockquote>' . trim($text) . '</blockquote><br />';
$title = str_replace(array("\r","\n"),array('',''),$title);
$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
- logger('parse_url (unparsed): returns: ' . $result);
+ logger('parse_url (unparsed): returns: ' . $result);
echo $result;
killme();
}
+ $siteinfo = parseurl_getsiteinfo($url);
- if($url) {
- $s = fetch_url($url);
- } else {
- echo '';
- killme();
- }
-
-// logger('parse_url: data: ' . $s, LOGGER_DATA);
-
- if(! $s) {
+ if($siteinfo["title"] == "") {
echo sprintf($template,$url,$url,'') . $str_tags;
killme();
+ } else {
+ $image = $siteinfo["image"];
+ $text = $siteinfo["text"];
+ $title = $siteinfo["title"];
}
- $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($s,'<title>')+7,64);
- if(strpos($title,'<') !== false)
- $title = strip_tags(substr($title,0,strpos($title,'<')));
- }
- }
-
- $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) {
- logger('scrape_dfrn: parse error: ' . $e);
- }
-
- if(! $dom) {
- echo sprintf($template,$url,$url,'') . $str_tags;
- killme();
- }
-
- $items = $dom->getElementsByTagName('title');
-
- if($items) {
- foreach($items as $item) {
- $title = trim($item->textContent);
- break;
- }
- }
-
-
- if(! $text) {
- $divs = $dom->getElementsByTagName('div');
- if($divs) {
- foreach($divs as $div) {
- $class = $div->getAttribute('class');
- if($class && (stristr($class,'article') || stristr($class,'content'))) {
- $items = $div->getElementsByTagName('p');
- if($items) {
- foreach($items as $item) {
- $text = $item->textContent;
- if(stristr($text,'<script')) {
- $text = '';
- continue;
- }
- $text = strip_tags($text);
- if(strlen($text) < 100) {
- $text = '';
- continue;
- }
- $text = substr($text,0,250) . '...' ;
- break;
- }
- }
- }
- if($text)
- break;
- }
- }
-
- if(! $text) {
- $items = $dom->getElementsByTagName('p');
- if($items) {
- foreach($items as $item) {
- $text = $item->textContent;
- if(stristr($text,'<script'))
- continue;
- $text = strip_tags($text);
- if(strlen($text) < 100) {
- $text = '';
- continue;
- }
- $text = substr($text,0,250) . '...' ;
- break;
- }
- }
- }
- }
-
- if(! $text) {
- logger('parsing meta');
- $items = (isset($domhead) && is_object($domhead) ? $domhead->getElementsByTagName('meta') : null);
- if($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');
- // guess mimetype from headers or filename
- $type = guess_image_type($image,true);
-
- $ph = new Photo($i, $type);
- if($ph->is_valid()) {
- if($ph->getWidth() > 300 || $ph->getHeight() > 300) {
- $ph->scaleImage(300);
- $new_width = $ph->getWidth();
- $new_height = $ph->getHeight();
- if($textmode)
- $image = $br . $br . '[img=' . $new_width . 'x' . $new_height . ']' . $image . '[/img]';
- else
- $image = '<br /><br /><img height="' . $new_height . '" width="' . $new_width . '" src="' .$image . '" alt="photo" />';
- }
- else {
- if($textmode)
- $image = $br . $br . '[img]' . $image . '[/img]';
- else
- $image = '<br /><br /><img src="' . $image . '" alt="photo" />';
- }
- }
- else
- $image = '';
-
- }
+ if ($image != "") {
+ $i = fetch_url($image);
+ if($i) {
+ require_once('include/Photo.php');
+ // guess mimetype from headers or filename
+ $type = guess_image_type($image,true);
+
+ $ph = new Photo($i, $type);
+ if($ph->is_valid()) {
+ if($ph->getWidth() > 300 || $ph->getHeight() > 300) {
+ $ph->scaleImage(300);
+ $new_width = $ph->getWidth();
+ $new_height = $ph->getHeight();
+ if($textmode)
+ $image = $br . $br . '[img=' . $new_width . 'x' . $new_height . ']' . $image . '[/img]';
+ else
+ $image = '<br /><br /><img height="' . $new_height . '" width="' . $new_width . '" src="' .$image . '" alt="photo" />';
+ } else {
+ if($textmode)
+ $image = $br.$br.'[img]'.$image.'[/img]';
+ else
+ $image = '<br /><br /><img src="'.$image.'" alt="photo" />';
}
}
}
if(strlen($text)) {
if($textmode)
- $text = $br .$br . '[quote]' . $text . '[/quote]' . $br ;
+ $text = $br.$br.'[quote]'.trim($text).'[/quote]'.$br ;
else
- $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
+ $text = '<br /><br /><blockquote>'.trim($text).'</blockquote><br />';
}
if($image) {
- $text = $image . $br . $text;
+ $text = $image.$br.$text;
}
$title = str_replace(array("\r","\n"),array('',''),$title);
$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
- logger('parse_url: returns: ' . $result);
+ logger('parse_url: returns: ' . $result);
echo $result;
killme();
projects / friendica.git / commitdiff