2 function oembed_replacecb($matches){
5 $j = oembed_fetch_url($embedurl);
6 $s = oembed_format_object($j);
7 return $s;//oembed_iframe($s,$j->width,$j->height);
13 function oembed_fetch_url($embedurl, $no_rich_type = false){
15 $embedurl = trim($embedurl, "'");
16 $embedurl = trim($embedurl, '"');
20 $txt = Cache::get($a->videowidth . $embedurl);
22 // These media files should now be caught in bbcode.php
23 // left here as a fallback in case this is called from another source
25 $noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm");
26 $ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION);
32 if (!in_array($ext, $noexts)){
33 // try oembed autodiscovery
35 $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*"); /**/
37 $dom = @DOMDocument::loadHTML($html_text);
39 $xpath = new DOMXPath($dom);
42 $xattr = oe_build_xpath("class","oembed");
43 $entries = $xpath->query("//link[@type='application/json+oembed']");
44 foreach($entries as $e){
45 $href = $e->getAttributeNode("href")->nodeValue;
46 $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
53 if ($txt==false || $txt==""){
54 $embedly = get_config("system", "embedly");
56 // try oohembed service
57 $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl).'&maxwidth=' . $a->videowidth;
58 $txt = fetch_url($ourl);
60 // try embedly service
61 $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl);
62 $txt = fetch_url($ourl);
65 logger("oembed_fetch_url: ".$txt, LOGGER_DEBUG);
69 if ($txt[0]!="{") $txt='{"type":"error"}';
72 Cache::set($a->videowidth . $embedurl,$txt);
76 $j = json_decode($txt);
81 $j->embedurl = $embedurl;
83 // If fetching information doesn't work, then improve via internal functions
84 if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
85 require_once("mod/parse_url.php");
86 $data = parseurl_getsiteinfo($embedurl, true, false);
87 $j->type = $data["type"];
89 if ($j->type == "photo") {
90 $j->url = $data["url"];
91 //$j->width = $data["images"][0]["width"];
92 //$j->height = $data["images"][0]["height"];
95 if (isset($data["title"]))
96 $j->title = $data["title"];
98 if (isset($data["text"]))
99 $j->description = $data["text"];
101 if (is_array($data["images"])) {
102 $j->thumbnail_url = $data["images"][0]["src"];
103 $j->thumbnail_width = $data["images"][0]["width"];
104 $j->thumbnail_height = $data["images"][0]["height"];
111 function oembed_format_object($j){
112 require_once("mod/proxy.php");
115 $embedurl = $j->embedurl;
116 $jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) );
117 $ret="<span class='oembed ".$j->type."'>";
120 if (isset($j->thumbnail_url)) {
121 $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
122 $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
123 // make sure we don't attempt divide by zero, fallback is a 1:1 ratio
124 $tr = (($th) ? $tw/$th : 1);
126 $th=120; $tw = $th*$tr;
127 $tpl=get_markup_template('oembed_video.tpl');
128 $ret.=replace_macros($tpl, array(
129 '$baseurl' => $a->get_baseurl(),
130 '$embedurl'=>$embedurl,
131 '$escapedhtml'=>base64_encode($jhtml),
134 '$turl'=>$j->thumbnail_url,
143 $ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
144 //$ret.= "<img width='".$j->width."' height='".$j->height."' src='".proxy_url($j->url)."'>";
148 //$ret = "<a href='".$embedurl."'>".$j->title."</a>";
152 if (!get_config("system","no_oembed_rich_content"))
157 // add link to source if not present in "rich" type
158 if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
159 if (isset($j->title)) {
160 if (isset($j->provider_name))
161 $ret .= $j->provider_name.": ";
163 $embedlink = (isset($j->title))?$j->title:$embedurl;
164 $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
165 if (isset($j->author_name))
166 $ret.=" (".$j->author_name.")";
167 } elseif (isset($j->provider_name) OR isset($j->author_name)) {
169 if (isset($j->provider_name))
170 $embedlink .= $j->provider_name;
172 if (isset($j->author_name)) {
173 if ($embedlink != "")
176 $embedlink .= $j->author_name;
178 $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
180 //if (isset($j->author_name)) $ret.=" by ".$j->author_name;
181 //if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
183 // add <a> for html2bbcode conversion
184 $ret .= "<a href='$embedurl' rel='oembed'></a>";
186 $ret.="<br style='clear:left'></span>";
187 return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
190 function oembed_iframe($src,$width,$height) {
191 if(! $width || strstr($width,'%'))
193 if(! $height || strstr($height,'%'))
195 // try and leave some room for the description line.
196 $height = intval($height) + 80;
197 $width = intval($width) + 40;
201 $s = $a->get_baseurl()."/oembed/".base64url_encode($src);
202 return '<iframe height="' . $height . '" width="' . $width . '" src="' . $s . '" frameborder="no" >' . t('Embedded content') . '</iframe>';
208 function oembed_bbcode2html($text){
209 $stopoembed = get_config("system","no_oembed");
210 if ($stopoembed == true){
211 return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
213 return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", 'oembed_replacecb' ,$text);
217 function oe_build_xpath($attr, $value){
218 // http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html
219 return "contains( normalize-space( @$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'";
222 function oe_get_inner_html( $node ) {
224 $children = $node->childNodes;
225 foreach ($children as $child) {
226 $innerHTML .= $child->ownerDocument->saveXML( $child );
232 * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
233 * and replace it with [embed]url[/embed]
235 function oembed_html2bbcode($text) {
236 // start parser only if 'oembed' is in text
237 if (strpos($text, "oembed")){
239 // convert non ascii chars to html entities
240 $html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text));
242 // If it doesn't parse at all, just return the text.
243 $dom = @DOMDocument::loadHTML($html_text);
246 $xpath = new DOMXPath($dom);
249 $xattr = oe_build_xpath("class","oembed");
250 $entries = $xpath->query("//span[$xattr]");
252 $xattr = "@rel='oembed'";//oe_build_xpath("rel","oembed");
253 foreach($entries as $e) {
254 $href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
255 if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[/embed]"), $e);
257 return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );