2 function oembed_replacecb($matches){
4 $j = oembed_fetch_url($embedurl);
5 $s = oembed_format_object($j);
10 function oembed_fetch_url($embedurl, $no_rich_type = false){
11 $embedurl = trim($embedurl, "'");
12 $embedurl = trim($embedurl, '"');
16 $txt = Cache::get($a->videowidth . $embedurl);
18 // These media files should now be caught in bbcode.php
19 // left here as a fallback in case this is called from another source
21 $noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm");
22 $ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION);
28 if (!in_array($ext, $noexts)){
29 // try oembed autodiscovery
31 $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*"); /**/
33 $dom = @DOMDocument::loadHTML($html_text);
35 $xpath = new DOMXPath($dom);
37 $xattr = oe_build_xpath("class","oembed");
38 $entries = $xpath->query("//link[@type='application/json+oembed']");
39 foreach($entries as $e){
40 $href = $e->getAttributeNode("href")->nodeValue;
41 $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
44 $entries = $xpath->query("//link[@type='text/json+oembed']");
45 foreach($entries as $e){
46 $href = $e->getAttributeNode("href")->nodeValue;
47 $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
54 if ($txt==false || $txt==""){
55 $embedly = get_config("system", "embedly");
57 // try embedly service
58 $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl);
59 $txt = fetch_url($ourl);
61 logger("oembed_fetch_url: ".$txt, LOGGER_DEBUG);
68 $txt='{"type":"error"}';
70 Cache::set($a->videowidth . $embedurl,$txt, CACHE_DAY);
73 $j = json_decode($txt);
78 // Always embed the SSL version
80 $j->html = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
81 array("https://www.youtube.com/", "https://player.vimeo.com/"), $j->html);
83 $j->embedurl = $embedurl;
85 // If fetching information doesn't work, then improve via internal functions
86 if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
87 require_once("mod/parse_url.php");
88 $data = parseurl_getsiteinfo($embedurl, true, false);
89 $j->type = $data["type"];
91 if ($j->type == "photo") {
92 $j->url = $data["url"];
93 //$j->width = $data["images"][0]["width"];
94 //$j->height = $data["images"][0]["height"];
97 if (isset($data["title"]))
98 $j->title = $data["title"];
100 if (isset($data["text"]))
101 $j->description = $data["text"];
103 if (is_array($data["images"])) {
104 $j->thumbnail_url = $data["images"][0]["src"];
105 $j->thumbnail_width = $data["images"][0]["width"];
106 $j->thumbnail_height = $data["images"][0]["height"];
110 call_hooks('oembed_fetch_url', $embedurl, $j);
115 function oembed_format_object($j){
116 require_once("mod/proxy.php");
119 $embedurl = $j->embedurl;
120 $jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) );
121 $ret="<span class='oembed ".$j->type."'>";
124 if (isset($j->thumbnail_url)) {
125 $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
126 $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
127 // make sure we don't attempt divide by zero, fallback is a 1:1 ratio
128 $tr = (($th) ? $tw/$th : 1);
130 $th=120; $tw = $th*$tr;
131 $tpl=get_markup_template('oembed_video.tpl');
132 $ret.=replace_macros($tpl, array(
133 '$baseurl' => $a->get_baseurl(),
134 '$embedurl'=>$embedurl,
135 '$escapedhtml'=>base64_encode($jhtml),
138 '$turl'=>$j->thumbnail_url,
147 $ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
153 if (!get_config("system","no_oembed_rich_content"))
154 $ret.= proxy_parse_html($jhtml);
158 // add link to source if not present in "rich" type
159 if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
161 if (isset($j->title)) {
162 if (isset($j->provider_name))
163 $ret .= $j->provider_name.": ";
165 $embedlink = (isset($j->title))?$j->title:$embedurl;
166 $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
167 if (isset($j->author_name))
168 $ret.=" (".$j->author_name.")";
169 } elseif (isset($j->provider_name) OR isset($j->author_name)) {
171 if (isset($j->provider_name))
172 $embedlink .= $j->provider_name;
174 if (isset($j->author_name)) {
175 if ($embedlink != "")
178 $embedlink .= $j->author_name;
180 if (trim($embedlink) == "")
181 $embedlink = $embedurl;
183 $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
185 //if (isset($j->author_name)) $ret.=" by ".$j->author_name;
186 //if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
189 // add <a> for html2bbcode conversion
190 $ret .= "<a href='$embedurl' rel='oembed'>$embedurl</a>";
193 $ret = str_replace("\n","",$ret);
194 return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
197 function oembed_iframe($src,$width,$height) {
199 if(! $width || strstr($width,'%'))
201 if(! $height || strstr($height,'%')) {
203 $resize = 'onload="resizeIframe(this);"';
207 // try and leave some room for the description line.
208 $height = intval($height) + 80;
209 $width = intval($width) + 40;
213 $s = $a->get_baseurl()."/oembed/".base64url_encode($src);
214 return '<iframe '.$resize.' class="embed_rich" height="'.$height.'" width="'.$width.'" src="'.$s.'" frameborder="no">'.t('Embedded content').'</iframe>';
220 function oembed_bbcode2html($text){
221 $stopoembed = get_config("system","no_oembed");
222 if ($stopoembed == true){
223 return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
225 return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", 'oembed_replacecb' ,$text);
229 function oe_build_xpath($attr, $value){
230 // http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html
231 return "contains( normalize-space( @$attr ), ' $value ' ) or substring( normalize-space( @$attr ), 1, string-length( '$value' ) + 1 ) = '$value ' or substring( normalize-space( @$attr ), string-length( @$attr ) - string-length( '$value' ) ) = ' $value' or @$attr = '$value'";
234 function oe_get_inner_html( $node ) {
236 $children = $node->childNodes;
237 foreach ($children as $child) {
238 $innerHTML .= $child->ownerDocument->saveXML( $child );
244 * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
245 * and replace it with [embed]url[/embed]
247 function oembed_html2bbcode($text) {
248 // start parser only if 'oembed' is in text
249 if (strpos($text, "oembed")){
251 // convert non ascii chars to html entities
252 $html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text));
254 // If it doesn't parse at all, just return the text.
255 $dom = @DOMDocument::loadHTML($html_text);
258 $xpath = new DOMXPath($dom);
261 $xattr = oe_build_xpath("class","oembed");
262 $entries = $xpath->query("//span[$xattr]");
264 $xattr = "@rel='oembed'";//oe_build_xpath("rel","oembed");
265 foreach($entries as $e) {
266 $href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
267 if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[/embed]"), $e);
269 return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );