3 https://developers.google.com/+/plugins/snippet/
5 <meta itemprop="name" content="Toller Titel">
6 <meta itemprop="description" content="Eine tolle Beschreibung">
7 <meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png">
9 <body itemscope itemtype="http://schema.org/Product">
10 <h1 itemprop="name">Shiny Trinket</h1>
11 <img itemprop="image" src="{image-url}" />
12 <p itemprop="description">Shiny trinkets are shiny.</p>
16 if(!function_exists('deletenode')) {
17 function deletenode(&$doc, $node)
19 $xpath = new DomXPath($doc);
20 $list = $xpath->query("//".$node);
21 foreach ($list as $child)
22 $child->parentNode->removeChild($child);
26 function completeurl($url, $scheme) {
27 $urlarr = parse_url($url);
29 if (isset($urlarr["scheme"]))
32 $schemearr = parse_url($scheme);
34 $complete = $schemearr["scheme"]."://".$schemearr["host"];
36 if (@$schemearr["port"] != "")
37 $complete .= ":".$schemearr["port"];
39 if(strpos($urlarr['path'],'/') !== 0)
42 $complete .= $urlarr["path"];
44 if (@$urlarr["query"] != "")
45 $complete .= "?".$urlarr["query"];
47 if (@$urlarr["fragment"] != "")
48 $complete .= "#".$urlarr["fragment"];
53 function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true) {
57 $url = trim($url, "'");
58 $url = trim($url, '"');
59 $siteinfo["url"] = $url;
60 $siteinfo["type"] = "link";
63 curl_setopt($ch, CURLOPT_URL, $url);
64 curl_setopt($ch, CURLOPT_HEADER, 1);
65 curl_setopt($ch, CURLOPT_NOBODY, 0);
66 curl_setopt($ch, CURLOPT_TIMEOUT, 3);
67 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
68 //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
69 //curl_setopt($ch,CURLOPT_USERAGENT,' Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0');
70 curl_setopt($ch,CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
72 $header = curl_exec($ch);
73 $curl_info = @curl_getinfo($ch);
74 $http_code = $curl_info['http_code'];
77 if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307"))
78 AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
79 if ($curl_info['redirect_url'] != "")
80 $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url']);
82 $siteinfo = parseurl_getsiteinfo($curl_info['location']);
87 require_once("include/oembed.php");
89 $oembed_data = oembed_fetch_url($url);
91 if ($oembed_data->type != "error")
92 $siteinfo["type"] = $oembed_data->type;
95 // Fetch the first mentioned charset. Can be in body or header
97 if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
98 $charset = trim(array_pop($matches));
103 $pos = strpos($header, "\r\n\r\n");
106 $body = trim(substr($header, $pos));
110 $body = mb_convert_encoding($body, "UTF-8", $charset);
111 $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
113 $doc = new DOMDocument();
114 @$doc->loadHTML($body);
116 deletenode($doc, 'style');
117 deletenode($doc, 'script');
118 deletenode($doc, 'option');
119 deletenode($doc, 'h1');
120 deletenode($doc, 'h2');
121 deletenode($doc, 'h3');
122 deletenode($doc, 'h4');
123 deletenode($doc, 'h5');
124 deletenode($doc, 'h6');
125 deletenode($doc, 'ol');
126 deletenode($doc, 'ul');
128 $xpath = new DomXPath($doc);
130 $list = $xpath->query("//meta[@content]");
131 foreach ($list as $node) {
133 if ($node->attributes->length)
134 foreach ($node->attributes as $attribute)
135 $attr[$attribute->name] = $attribute->value;
137 if (@$attr["http-equiv"] == 'refresh') {
138 $path = $attr["content"];
139 $pathinfo = explode(";", $path);
141 foreach ($pathinfo AS $value) {
142 if (substr(strtolower($value), 0, 4) == "url=")
143 $content = substr($value, 4);
145 if ($content != "") {
146 $siteinfo = parseurl_getsiteinfo($content);
152 //$list = $xpath->query("head/title");
153 $list = $xpath->query("//title");
154 foreach ($list as $node)
155 $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
157 //$list = $xpath->query("head/meta[@name]");
158 $list = $xpath->query("//meta[@name]");
159 foreach ($list as $node) {
161 if ($node->attributes->length)
162 foreach ($node->attributes as $attribute)
163 $attr[$attribute->name] = $attribute->value;
165 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
167 if ($attr["content"] != "")
168 switch (strtolower($attr["name"])) {
170 $siteinfo["title"] = $attr["content"];
173 $siteinfo["text"] = $attr["content"];
175 case "twitter:image":
176 $siteinfo["image"] = $attr["content"];
179 if (($siteinfo["type"] == "") OR ($attr["content"] == "photo"))
180 $siteinfo["type"] = $attr["content"];
182 case "twitter:description":
183 $siteinfo["text"] = $attr["content"];
185 case "twitter:title":
186 $siteinfo["title"] = $attr["content"];
189 $siteinfo["title"] = $attr["content"];
191 case "dc.description":
192 $siteinfo["text"] = $attr["content"];
195 if ($siteinfo["type"] == "summary")
196 $siteinfo["type"] = "link";
199 //$list = $xpath->query("head/meta[@property]");
200 $list = $xpath->query("//meta[@property]");
201 foreach ($list as $node) {
203 if ($node->attributes->length)
204 foreach ($node->attributes as $attribute)
205 $attr[$attribute->name] = $attribute->value;
207 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
209 if ($attr["content"] != "")
210 switch (strtolower($attr["property"])) {
212 $siteinfo["image"] = $attr["content"];
215 $siteinfo["title"] = $attr["content"];
217 case "og:description":
218 $siteinfo["text"] = $attr["content"];
223 if (isset($oembed_data) AND ($oembed_data->type == "link")) {
224 if (isset($oembed_data->title) AND (trim($oembed_data->title) != ""))
225 $siteinfo["title"] = $oembed_data->title;
226 if (isset($oembed_data->description) AND (trim($oembed_data->description) != ""))
227 $siteinfo["text"] = trim($oembed_data->description);
228 if (isset($oembed_data->thumbnail_url) AND (trim($oembed_data->thumbnail_url) != ""))
229 $siteinfo["image"] = $oembed_data->thumbnail_url;
232 if ((@$siteinfo["image"] == "") AND !$no_guessing) {
233 $list = $xpath->query("//img[@src]");
234 foreach ($list as $node) {
236 if ($node->attributes->length)
237 foreach ($node->attributes as $attribute)
238 $attr[$attribute->name] = $attribute->value;
240 $src = completeurl($attr["src"], $url);
241 $photodata = @getimagesize($src);
243 if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) {
244 if ($photodata[0] > 300) {
245 $photodata[1] = round($photodata[1] * (300 / $photodata[0]));
248 if ($photodata[1] > 300) {
249 $photodata[0] = round($photodata[0] * (300 / $photodata[1]));
252 $siteinfo["images"][] = array("src"=>$src,
253 "width"=>$photodata[0],
254 "height"=>$photodata[1]);
259 $src = completeurl($siteinfo["image"], $url);
261 unset($siteinfo["image"]);
263 $photodata = @getimagesize($src);
265 if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
266 $siteinfo["images"][] = array("src"=>$src,
267 "width"=>$photodata[0],
268 "height"=>$photodata[1]);
271 if ((@$siteinfo["text"] == "") AND (@$siteinfo["title"] != "") AND !$no_guessing) {
274 $list = $xpath->query("//div[@class='article']");
275 foreach ($list as $node)
276 if (strlen($node->nodeValue) > 40)
277 $text .= " ".trim($node->nodeValue);
280 $list = $xpath->query("//div[@class='content']");
281 foreach ($list as $node)
282 if (strlen($node->nodeValue) > 40)
283 $text .= " ".trim($node->nodeValue);
286 // If none text was found then take the paragraph content
288 $list = $xpath->query("//p");
289 foreach ($list as $node)
290 if (strlen($node->nodeValue) > 40)
291 $text .= " ".trim($node->nodeValue);
295 $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text));
297 while (strpos($text, " "))
298 $text = trim(str_replace(" ", " ", $text));
300 $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...');
304 logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
309 function arr_add_hashes(&$item,$k) {
313 function parse_url_content(&$a) {
320 if(local_user() && (! feature_enabled(local_user(),'richtext')))
324 $br = (($textmode) ? "\n" : '<br />');
326 if(x($_GET,'binurl'))
327 $url = trim(hex2bin($_GET['binurl']));
329 $url = trim($_GET['url']);
332 $title = strip_tags(trim($_GET['title']));
334 if($_GET['description'])
335 $text = strip_tags(trim($_GET['description']));
338 $arr_tags = str_getcsv($_GET['tags']);
339 if(count($arr_tags)) {
340 array_walk($arr_tags,'arr_add_hashes');
341 $str_tags = $br . implode(' ',$arr_tags) . $br;
345 logger('parse_url: ' . $url);
348 $template = '[bookmark=%s]%s[/bookmark]%s';
350 $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s";
352 $arr = array('url' => $url, 'text' => '');
354 call_hooks('parse_link', $arr);
356 if(strlen($arr['text'])) {
362 if($url && $title && $text) {
364 $title = str_replace(array("\r","\n"),array('',''),$title);
367 $text = '[quote]' . trim($text) . '[/quote]' . $br;
369 $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />';
370 $title = htmlspecialchars($title);
373 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
375 logger('parse_url (unparsed): returns: ' . $result);
381 $siteinfo = parseurl_getsiteinfo($url);
383 $url= $siteinfo["url"];
387 if($siteinfo["title"] == "") {
388 $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
391 $text = $siteinfo["text"];
392 $title = $siteinfo["title"];
397 if (($siteinfo["type"] != "video") AND (sizeof($siteinfo["images"]) > 0)){
398 /* Execute below code only if image is present in siteinfo */
401 $max_images = get_config('system','max_bookmark_images');
402 if($max_images === false)
405 $max_images = intval($max_images);
407 foreach ($siteinfo["images"] as $imagedata) {
409 $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]' . "\n";
411 $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" /><br />';
413 if($max_images && $max_images >= $total_images)
420 $text = '[quote]'.trim($text).'[/quote]';
422 $text = '<blockquote>'.htmlspecialchars(trim($text)).'</blockquote>';
426 $text = $br.$br.$image.$text;
430 $title = str_replace(array("\r","\n"),array('',''),$title);
432 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
434 logger('parse_url: returns: ' . $result);
436 $sitedata .= trim($result);
438 if (($siteinfo["type"] == "video") AND ($url != ""))
439 echo "[class=type-video]".$sitedata."[/class]";
440 elseif (($siteinfo["type"] != "photo"))
441 echo "[class=type-link]".$sitedata."[/class]";
443 echo "[class=type-photo]".$title.$br.$image."[/class]";