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, $count = 1) {
58 logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
62 $url = trim($url, "'");
63 $url = trim($url, '"');
64 $siteinfo["url"] = $url;
65 $siteinfo["type"] = "link";
68 curl_setopt($ch, CURLOPT_URL, $url);
69 curl_setopt($ch, CURLOPT_HEADER, 1);
70 curl_setopt($ch, CURLOPT_NOBODY, 0);
71 curl_setopt($ch, CURLOPT_TIMEOUT, 3);
72 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
73 //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
74 curl_setopt($ch,CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION.")");
76 $header = curl_exec($ch);
77 $curl_info = @curl_getinfo($ch);
78 $http_code = $curl_info['http_code'];
81 if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307"))
82 AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
83 if ($curl_info['redirect_url'] != "")
84 $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url'], $no_guessing, $do_oembed, ++$count);
86 $siteinfo = parseurl_getsiteinfo($curl_info['location'], $no_guessing, $do_oembed, ++$count);
91 require_once("include/oembed.php");
93 $oembed_data = oembed_fetch_url($url);
95 if ($oembed_data->type != "error")
96 $siteinfo["type"] = $oembed_data->type;
99 // Fetch the first mentioned charset. Can be in body or header
101 if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
102 $charset = trim(trim(trim(array_pop($matches)), ';,'));
107 $pos = strpos($header, "\r\n\r\n");
110 $body = trim(substr($header, $pos));
114 if (($charset != '') AND (strtoupper($charset) != "UTF-8")) {
115 logger("parseurl_getsiteinfo: detected charset ".$charset, LOGGER_DEBUG);
116 //$body = mb_convert_encoding($body, "UTF-8", $charset);
117 $body = iconv($charset, "UTF-8//TRANSLIT", $body);
120 $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
122 $doc = new DOMDocument();
123 @$doc->loadHTML($body);
125 deletenode($doc, 'style');
126 deletenode($doc, 'script');
127 deletenode($doc, 'option');
128 deletenode($doc, 'h1');
129 deletenode($doc, 'h2');
130 deletenode($doc, 'h3');
131 deletenode($doc, 'h4');
132 deletenode($doc, 'h5');
133 deletenode($doc, 'h6');
134 deletenode($doc, 'ol');
135 deletenode($doc, 'ul');
137 $xpath = new DomXPath($doc);
139 $list = $xpath->query("//meta[@content]");
140 foreach ($list as $node) {
142 if ($node->attributes->length)
143 foreach ($node->attributes as $attribute)
144 $attr[$attribute->name] = $attribute->value;
146 if (@$attr["http-equiv"] == 'refresh') {
147 $path = $attr["content"];
148 $pathinfo = explode(";", $path);
150 foreach ($pathinfo AS $value) {
151 if (substr(strtolower($value), 0, 4) == "url=")
152 $content = substr($value, 4);
154 if ($content != "") {
155 $siteinfo = parseurl_getsiteinfo($content, $no_guessing, $do_oembed, ++$count);
161 //$list = $xpath->query("head/title");
162 $list = $xpath->query("//title");
163 foreach ($list as $node)
164 $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
166 //$list = $xpath->query("head/meta[@name]");
167 $list = $xpath->query("//meta[@name]");
168 foreach ($list as $node) {
170 if ($node->attributes->length)
171 foreach ($node->attributes as $attribute)
172 $attr[$attribute->name] = $attribute->value;
174 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
176 if ($attr["content"] != "")
177 switch (strtolower($attr["name"])) {
179 $siteinfo["title"] = $attr["content"];
182 $siteinfo["text"] = $attr["content"];
184 case "twitter:image":
185 $siteinfo["image"] = $attr["content"];
188 if (($siteinfo["type"] == "") OR ($attr["content"] == "photo"))
189 $siteinfo["type"] = $attr["content"];
191 case "twitter:description":
192 $siteinfo["text"] = $attr["content"];
194 case "twitter:title":
195 $siteinfo["title"] = $attr["content"];
198 $siteinfo["title"] = $attr["content"];
200 case "dc.description":
201 $siteinfo["text"] = $attr["content"];
204 if ($siteinfo["type"] == "summary")
205 $siteinfo["type"] = "link";
208 //$list = $xpath->query("head/meta[@property]");
209 $list = $xpath->query("//meta[@property]");
210 foreach ($list as $node) {
212 if ($node->attributes->length)
213 foreach ($node->attributes as $attribute)
214 $attr[$attribute->name] = $attribute->value;
216 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
218 if ($attr["content"] != "")
219 switch (strtolower($attr["property"])) {
221 $siteinfo["image"] = $attr["content"];
224 $siteinfo["title"] = $attr["content"];
226 case "og:description":
227 $siteinfo["text"] = $attr["content"];
232 if (isset($oembed_data) AND ($oembed_data->type == "link") AND ($siteinfo["type"] != "photo")) {
233 if (isset($oembed_data->title) AND (trim($oembed_data->title) != ""))
234 $siteinfo["title"] = $oembed_data->title;
235 if (isset($oembed_data->description) AND (trim($oembed_data->description) != ""))
236 $siteinfo["text"] = trim($oembed_data->description);
237 if (isset($oembed_data->thumbnail_url) AND (trim($oembed_data->thumbnail_url) != ""))
238 $siteinfo["image"] = $oembed_data->thumbnail_url;
241 if ((@$siteinfo["image"] == "") AND !$no_guessing) {
242 $list = $xpath->query("//img[@src]");
243 foreach ($list as $node) {
245 if ($node->attributes->length)
246 foreach ($node->attributes as $attribute)
247 $attr[$attribute->name] = $attribute->value;
249 $src = completeurl($attr["src"], $url);
250 $photodata = @getimagesize($src);
252 if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) {
253 if ($photodata[0] > 300) {
254 $photodata[1] = round($photodata[1] * (300 / $photodata[0]));
257 if ($photodata[1] > 300) {
258 $photodata[0] = round($photodata[0] * (300 / $photodata[1]));
261 $siteinfo["images"][] = array("src"=>$src,
262 "width"=>$photodata[0],
263 "height"=>$photodata[1]);
268 $src = completeurl($siteinfo["image"], $url);
270 unset($siteinfo["image"]);
272 $photodata = @getimagesize($src);
274 if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
275 $siteinfo["images"][] = array("src"=>$src,
276 "width"=>$photodata[0],
277 "height"=>$photodata[1]);
280 if ((@$siteinfo["text"] == "") AND (@$siteinfo["title"] != "") AND !$no_guessing) {
283 $list = $xpath->query("//div[@class='article']");
284 foreach ($list as $node)
285 if (strlen($node->nodeValue) > 40)
286 $text .= " ".trim($node->nodeValue);
289 $list = $xpath->query("//div[@class='content']");
290 foreach ($list as $node)
291 if (strlen($node->nodeValue) > 40)
292 $text .= " ".trim($node->nodeValue);
295 // If none text was found then take the paragraph content
297 $list = $xpath->query("//p");
298 foreach ($list as $node)
299 if (strlen($node->nodeValue) > 40)
300 $text .= " ".trim($node->nodeValue);
304 $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text));
306 while (strpos($text, " "))
307 $text = trim(str_replace(" ", " ", $text));
309 $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...');
313 logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
318 function arr_add_hashes(&$item,$k) {
322 function parse_url_content(&$a) {
329 if(local_user() && (! feature_enabled(local_user(),'richtext')))
333 $br = (($textmode) ? "\n" : '<br />');
335 if(x($_GET,'binurl'))
336 $url = trim(hex2bin($_GET['binurl']));
338 $url = trim($_GET['url']);
341 $title = strip_tags(trim($_GET['title']));
343 if($_GET['description'])
344 $text = strip_tags(trim($_GET['description']));
347 $arr_tags = str_getcsv($_GET['tags']);
348 if(count($arr_tags)) {
349 array_walk($arr_tags,'arr_add_hashes');
350 $str_tags = $br . implode(' ',$arr_tags) . $br;
354 logger('parse_url: ' . $url);
357 $template = '[bookmark=%s]%s[/bookmark]%s';
359 $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s";
361 $arr = array('url' => $url, 'text' => '');
363 call_hooks('parse_link', $arr);
365 if(strlen($arr['text'])) {
371 if($url && $title && $text) {
373 $title = str_replace(array("\r","\n"),array('',''),$title);
376 $text = '[quote]' . trim($text) . '[/quote]' . $br;
378 $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />';
379 $title = htmlspecialchars($title);
382 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
384 logger('parse_url (unparsed): returns: ' . $result);
390 $siteinfo = parseurl_getsiteinfo($url);
392 $url= $siteinfo["url"];
396 if($siteinfo["title"] == "") {
397 $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
400 $text = $siteinfo["text"];
401 $title = $siteinfo["title"];
406 if (($siteinfo["type"] != "video") AND (sizeof($siteinfo["images"]) > 0)){
407 /* Execute below code only if image is present in siteinfo */
410 $max_images = get_config('system','max_bookmark_images');
411 if($max_images === false)
414 $max_images = intval($max_images);
416 foreach ($siteinfo["images"] as $imagedata) {
418 $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]' . "\n";
420 $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" /><br />';
422 if($max_images && $max_images >= $total_images)
429 $text = '[quote]'.trim($text).'[/quote]';
431 $text = '<blockquote>'.htmlspecialchars(trim($text)).'</blockquote>';
435 $text = $br.$br.$image.$text;
439 $title = str_replace(array("\r","\n"),array('',''),$title);
441 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
443 logger('parse_url: returns: ' . $result);
445 $sitedata .= trim($result);
447 if (($siteinfo["type"] == "video") AND ($url != ""))
448 echo "[class=type-video]".$sitedata."[/class]";
449 elseif (($siteinfo["type"] != "photo"))
450 echo "[class=type-link]".$sitedata."[/class]";
452 echo "[class=type-photo]".$title.$br.$image."[/class]";