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) {
56 $url = trim($url, "'");
57 $url = trim($url, '"');
58 $siteinfo["url"] = $url;
59 $siteinfo["type"] = "link";
62 curl_setopt($ch, CURLOPT_URL, $url);
63 curl_setopt($ch, CURLOPT_HEADER, 1);
64 curl_setopt($ch, CURLOPT_NOBODY, 0);
65 curl_setopt($ch, CURLOPT_TIMEOUT, 3);
66 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
67 //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
68 curl_setopt($ch,CURLOPT_USERAGENT,' Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0');
70 $header = curl_exec($ch);
71 $curl_info = @curl_getinfo($ch);
72 $http_code = $curl_info['http_code'];
75 if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307"))
76 AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
77 if ($curl_info['redirect_url'] != "")
78 $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url']);
80 $siteinfo = parseurl_getsiteinfo($curl_info['location']);
84 require_once("include/oembed.php");
86 $oembed_data = oembed_fetch_url($url);
88 if ($oembed_data->type != "error")
89 $siteinfo["type"] = $oembed_data->type;
91 // Fetch the first mentioned charset. Can be in body or header
93 if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
94 $charset = trim(array_pop($matches));
99 $pos = strpos($header, "\r\n\r\n");
102 $body = trim(substr($header, $pos));
106 $body = mb_convert_encoding($body, "UTF-8", $charset);
107 $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
109 $doc = new DOMDocument();
110 @$doc->loadHTML($body);
112 deletenode($doc, 'style');
113 deletenode($doc, 'script');
114 deletenode($doc, 'option');
115 deletenode($doc, 'h1');
116 deletenode($doc, 'h2');
117 deletenode($doc, 'h3');
118 deletenode($doc, 'h4');
119 deletenode($doc, 'h5');
120 deletenode($doc, 'h6');
121 deletenode($doc, 'ol');
122 deletenode($doc, 'ul');
124 $xpath = new DomXPath($doc);
126 $list = $xpath->query("//meta[@content]");
127 foreach ($list as $node) {
129 if ($node->attributes->length)
130 foreach ($node->attributes as $attribute)
131 $attr[$attribute->name] = $attribute->value;
133 if (@$attr["http-equiv"] == 'refresh') {
134 $path = $attr["content"];
135 $pathinfo = explode(";", $path);
137 foreach ($pathinfo AS $value) {
138 if (substr(strtolower($value), 0, 4) == "url=")
139 $content = substr($value, 4);
141 if ($content != "") {
142 $siteinfo = parseurl_getsiteinfo($content);
148 //$list = $xpath->query("head/title");
149 $list = $xpath->query("//title");
150 foreach ($list as $node)
151 $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
153 //$list = $xpath->query("head/meta[@name]");
154 $list = $xpath->query("//meta[@name]");
155 foreach ($list as $node) {
157 if ($node->attributes->length)
158 foreach ($node->attributes as $attribute)
159 $attr[$attribute->name] = $attribute->value;
161 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
163 if ($attr["content"] != "")
164 switch (strtolower($attr["name"])) {
166 $siteinfo["title"] = $attr["content"];
169 $siteinfo["text"] = $attr["content"];
171 case "twitter:image":
172 $siteinfo["image"] = $attr["content"];
175 if ($siteinfo["type"] == "")
176 $siteinfo["type"] = $attr["content"];
178 case "twitter:description":
179 $siteinfo["text"] = $attr["content"];
181 case "twitter:title":
182 $siteinfo["title"] = $attr["content"];
185 $siteinfo["title"] = $attr["content"];
187 case "dc.description":
188 $siteinfo["text"] = $attr["content"];
191 if ($siteinfo["type"] == "summary")
192 $siteinfo["type"] = "link";
195 //$list = $xpath->query("head/meta[@property]");
196 $list = $xpath->query("//meta[@property]");
197 foreach ($list as $node) {
199 if ($node->attributes->length)
200 foreach ($node->attributes as $attribute)
201 $attr[$attribute->name] = $attribute->value;
203 $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
205 if ($attr["content"] != "")
206 switch (strtolower($attr["property"])) {
208 $siteinfo["image"] = $attr["content"];
211 $siteinfo["title"] = $attr["content"];
213 case "og:description":
214 $siteinfo["text"] = $attr["content"];
219 if ($oembed_data->type == "link") {
220 if (isset($oembed_data->title) AND (trim($oembed_data->title) != ""))
221 $siteinfo["title"] = $oembed_data->title;
222 if (isset($oembed_data->description) AND (trim($oembed_data->description) != ""))
223 $siteinfo["text"] = trim($oembed_data->description);
224 if (isset($oembed_data->thumbnail_url) AND (trim($oembed_data->thumbnail_url) != ""))
225 $siteinfo["image"] = $oembed_data->thumbnail_url;
228 if ((@$siteinfo["image"] == "") AND !$no_guessing) {
229 $list = $xpath->query("//img[@src]");
230 foreach ($list as $node) {
232 if ($node->attributes->length)
233 foreach ($node->attributes as $attribute)
234 $attr[$attribute->name] = $attribute->value;
236 $src = completeurl($attr["src"], $url);
237 $photodata = @getimagesize($src);
239 if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) {
240 if ($photodata[0] > 300) {
241 $photodata[1] = round($photodata[1] * (300 / $photodata[0]));
244 if ($photodata[1] > 300) {
245 $photodata[0] = round($photodata[0] * (300 / $photodata[1]));
248 $siteinfo["images"][] = array("src"=>$src,
249 "width"=>$photodata[0],
250 "height"=>$photodata[1]);
255 $src = completeurl($siteinfo["image"], $url);
257 unset($siteinfo["image"]);
259 $photodata = @getimagesize($src);
261 if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
262 $siteinfo["images"][] = array("src"=>$src,
263 "width"=>$photodata[0],
264 "height"=>$photodata[1]);
267 if ((@$siteinfo["text"] == "") AND (@$siteinfo["title"] != "") AND !$no_guessing) {
270 $list = $xpath->query("//div[@class='article']");
271 foreach ($list as $node)
272 if (strlen($node->nodeValue) > 40)
273 $text .= " ".trim($node->nodeValue);
276 $list = $xpath->query("//div[@class='content']");
277 foreach ($list as $node)
278 if (strlen($node->nodeValue) > 40)
279 $text .= " ".trim($node->nodeValue);
282 // If none text was found then take the paragraph content
284 $list = $xpath->query("//p");
285 foreach ($list as $node)
286 if (strlen($node->nodeValue) > 40)
287 $text .= " ".trim($node->nodeValue);
291 $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text));
293 while (strpos($text, " "))
294 $text = trim(str_replace(" ", " ", $text));
296 $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...');
300 logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
305 function arr_add_hashes(&$item,$k) {
309 function parse_url_content(&$a) {
316 if(local_user() && (! feature_enabled(local_user(),'richtext')))
320 $br = (($textmode) ? "\n" : '<br />');
322 if(x($_GET,'binurl'))
323 $url = trim(hex2bin($_GET['binurl']));
325 $url = trim($_GET['url']);
328 $title = strip_tags(trim($_GET['title']));
330 if($_GET['description'])
331 $text = strip_tags(trim($_GET['description']));
334 $arr_tags = str_getcsv($_GET['tags']);
335 if(count($arr_tags)) {
336 array_walk($arr_tags,'arr_add_hashes');
337 $str_tags = $br . implode(' ',$arr_tags) . $br;
341 logger('parse_url: ' . $url);
344 $template = '[bookmark=%s]%s[/bookmark]%s';
346 $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s";
348 $arr = array('url' => $url, 'text' => '');
350 call_hooks('parse_link', $arr);
352 if(strlen($arr['text'])) {
358 if($url && $title && $text) {
360 $title = str_replace(array("\r","\n"),array('',''),$title);
363 $text = '[quote]' . trim($text) . '[/quote]' . $br;
365 $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />';
366 $title = htmlspecialchars($title);
369 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
371 logger('parse_url (unparsed): returns: ' . $result);
377 $siteinfo = parseurl_getsiteinfo($url);
379 $url= $siteinfo["url"];
383 if($siteinfo["title"] == "") {
384 $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
387 $text = $siteinfo["text"];
388 $title = $siteinfo["title"];
393 if (($siteinfo["type"] != "video") AND (sizeof($siteinfo["images"]) > 0)){
394 /* Execute below code only if image is present in siteinfo */
397 $max_images = get_config('system','max_bookmark_images');
398 if($max_images === false)
401 $max_images = intval($max_images);
403 foreach ($siteinfo["images"] as $imagedata) {
405 $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]' . "\n";
407 $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" /><br />';
409 if($max_images && $max_images >= $total_images)
416 $text = '[quote]'.trim($text).'[/quote]';
418 $text = '<blockquote>'.htmlspecialchars(trim($text)).'</blockquote>';
422 $text = $br.$br.$image.$text;
426 $title = str_replace(array("\r","\n"),array('',''),$title);
428 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
430 logger('parse_url: returns: ' . $result);
432 $sitedata .= trim($result);
434 if (($siteinfo["type"] == "video") AND ($url != ""))
435 echo "[class=type-video]".$sitedata."[/class]";
436 elseif (($siteinfo["type"] != "photo"))
437 echo "[class=type-link]".$sitedata."[/class]";
439 echo "[class=type-photo]".$title.$br.$image."[/class]";