<?php
+/* To-Do
+https://developers.google.com/+/plugins/snippet/
-require_once('library/HTML5/Parser.php');
-require_once('library/HTMLPurifier.auto.php');
+<meta itemprop="name" content="Toller Titel">
+<meta itemprop="description" content="Eine tolle Beschreibung">
+<meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png">
-function parse_url_content(&$a) {
+<body itemscope itemtype="http://schema.org/Product">
+ <h1 itemprop="name">Shiny Trinket</h1>
+ <img itemprop="image" src="{image-url}" />
+ <p itemprop="description">Shiny trinkets are shiny.</p>
+</body>
+*/
- logger('parse_url: ' . $_GET['url']);
+if(!function_exists('deletenode')) {
+ function deletenode(&$doc, $node)
+ {
+ $xpath = new DomXPath($doc);
+ $list = $xpath->query("//".$node);
+ foreach ($list as $child)
+ $child->parentNode->removeChild($child);
+ }
+}
- $url = trim(hex2bin($_GET['url']));
+function completeurl($url, $scheme) {
+ $urlarr = parse_url($url);
- logger('parse_url: ' . $url);
+ if (isset($urlarr["scheme"]))
+ return($url);
- $text = null;
+ $schemearr = parse_url($scheme);
- $template = "<br /><a href=\"%s\" >%s</a>%s<br />";
+ $complete = $schemearr["scheme"]."://".$schemearr["host"];
+ if ($schemearr["port"] != "")
+ $complete .= ":".$schemearr["port"];
- $arr = array('url' => $url, 'text' => '');
+ if(strpos($urlarr['path'],'/') !== 0)
+ $complete .= '/';
- call_hooks('parse_link', $arr);
+ $complete .= $urlarr["path"];
- if(strlen($arr['text'])) {
- echo $arr['text'];
- killme();
- }
+ if ($urlarr["query"] != "")
+ $complete .= "?".$urlarr["query"];
- if($url) {
- $s = fetch_url($url);
- } else {
- echo '';
- killme();
- }
+ if ($urlarr["fragment"] != "")
+ $complete .= "#".$urlarr["fragment"];
- logger('parse_url: data: ' . $s, LOGGER_DATA);
+ return($complete);
+}
- if(! $s) {
- echo sprintf($template,$url,$url,'');
- killme();
- }
+function parseurl_getsiteinfo($url) {
+ $siteinfo = array();
- if(strpos($s,'<title>')) {
- $title = substr($s,strpos($s,'<title>')+7,64);
- if(strpos($title,'<') !== false)
- $title = strip_tags(substr($title,0,strpos($title,'<')));
- }
+ $ch = curl_init();
+ curl_setopt($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');
- $config = HTMLPurifier_Config::createDefault();
- $config->set('Cache.DefinitionImpl', null);
+ $header = curl_exec($ch);
+ curl_close($ch);
- $purifier = new HTMLPurifier($config);
- $s = $purifier->purify($s);
+ // Fetch the first mentioned charset. Can be in body or header
+ if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
+ $charset = trim(array_pop($matches));
+ else
+ $charset = "utf-8";
-// logger('parse_url: purified: ' . $s, LOGGER_DATA);
+ $pos = strpos($header, "\r\n\r\n");
- $dom = @HTML5_Parser::parse($s);
+ if ($pos)
+ $body = trim(substr($header, $pos));
+ else
+ $body = $header;
- if(! $dom) {
- echo sprintf($template,$url,$url,'');
- killme();
- }
+ $body = mb_convert_encoding($body, "UTF-8", $charset);
+ $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
- $items = $dom->getElementsByTagName('title');
+ $doc = new DOMDocument();
+ @$doc->loadHTML($body);
- if($items) {
- foreach($items as $item) {
- $title = trim($item->textContent);
- break;
+ 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");
+ $list = $xpath->query("//title");
+ foreach ($list as $node)
+ $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
+
+ //$list = $xpath->query("head/meta[@name]");
+ $list = $xpath->query("//meta[@name]");
+ foreach ($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;
}
}
- $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($text)
+ //$list = $xpath->query("head/meta[@property]");
+ $list = $xpath->query("//meta[@property]");
+ foreach ($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(! $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) {
- $text = '';
- continue;
+ if ($siteinfo["image"] == "") {
+ $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;
+
+ $src = completeurl($attr["src"], $url);
+ $photodata = @getimagesize($src);
+
+ if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) {
+ if ($photodata[0] > 300) {
+ $photodata[1] = round($photodata[1] * (300 / $photodata[0]));
+ $photodata[0] = 300;
}
- $text = substr($text,0,250) . '...' ;
- break;
+ if ($photodata[1] > 300) {
+ $photodata[0] = round($photodata[0] * (300 / $photodata[1]));
+ $photodata[1] = 300;
+ }
+ $siteinfo["images"][] = array("src"=>$src,
+ "width"=>$photodata[0],
+ "height"=>$photodata[1]);
}
+
+ }
+ } else {
+ $src = completeurl($siteinfo["image"], $url);
+
+ unset($siteinfo["image"]);
+
+ $photodata = @getimagesize($src);
+
+ if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
+ $siteinfo["images"][] = array("src"=>$src,
+ "width"=>$photodata[0],
+ "height"=>$photodata[1]);
+ }
+
+ if ($siteinfo["text"] == "") {
+ $text = "";
+
+ $list = $xpath->query("//div[@class='article']");
+ foreach ($list as $node)
+ if (strlen($node->nodeValue) > 40)
+ $text .= " ".trim($node->nodeValue);
+
+ if ($text == "") {
+ $list = $xpath->query("//div[@class='content']");
+ foreach ($list as $node)
+ if (strlen($node->nodeValue) > 40)
+ $text .= " ".trim($node->nodeValue);
+ }
+
+ // If none text was found then take the paragraph content
+ if ($text == "") {
+ $list = $xpath->query("//p");
+ foreach ($list as $node)
+ if (strlen($node->nodeValue) > 40)
+ $text .= " ".trim($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 = '#' . $item;
+}
+
+function parse_url_content(&$a) {
+
+ $text = null;
+ $str_tags = '';
+
+ $textmode = false;
+ if(local_user() && intval(get_pconfig(local_user(),'system','plaintext')))
+ $textmode = true;
+
+ //if($textmode)
+ $br = (($textmode) ? "\n" : '<br />');
+
+ if(x($_GET,'binurl'))
+ $url = trim(hex2bin($_GET['binurl']));
+ else
+ $url = trim($_GET['url']);
+
+ if($_GET['title'])
+ $title = strip_tags(trim($_GET['title']));
+
+ if($_GET['description'])
+ $text = strip_tags(trim($_GET['description']));
+
+ if($_GET['tags']) {
+ $arr_tags = str_getcsv($_GET['tags']);
+ if(count($arr_tags)) {
+ array_walk($arr_tags,'arr_add_hashes');
+ $str_tags = $br . implode(' ',$arr_tags) . $br;
+ }
+ }
+
+ 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', $arr);
+
+ if(strlen($arr['text'])) {
+ echo $arr['text'];
+ killme();
}
+
+ if($url && $title && $text) {
+
+ if($textmode)
+ $text = $br . '[quote]' . trim($text) . '[/quote]' . $br;
+ else
+ $text = '<br /><blockquote>' . trim($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);
+
+ echo $result;
+ killme();
+ }
+
+ $siteinfo = parseurl_getsiteinfo($url);
+
+ if($siteinfo["title"] == "") {
+ echo sprintf($template,$url,$url,'') . $str_tags;
+ killme();
+ } else {
+ $text = $siteinfo["text"];
+ $title = $siteinfo["title"];
+ }
+
+ $image = "";
+
+ if(sizeof($siteinfo["images"]) > 0){
+ /*
+ Execute below code only if image is present in siteinfo
+ */
+ foreach ($siteinfo["images"] as $imagedata)
+ if($textmode)
+ $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]';
+ else
+ $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" />';
+ }
+
if(strlen($text)) {
- $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
+ if($textmode)
+ $text = $br.'[quote]'.trim($text).'[/quote]'.$br ;
+ else
+ $text = '<br /><blockquote>'.trim($text).'</blockquote><br />';
+ }
+
+ if($image) {
+ $text = $br.$br.$image.$text;
}
+ $title = str_replace(array("\r","\n"),array('',''),$title);
+
+ $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
+
+ logger('parse_url: returns: ' . $result);
- echo sprintf($template,$url,($title) ? $title : $url,$text);
+ echo trim($result);
killme();
}
projects / friendica.git / blobdiff