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[friendica.git] / include / oembed.php
old mode 100644 (file)
new mode 100755 (executable)
index d40ceb3..d598b41
 <?php
 function oembed_replacecb($matches){
+//     logger('oembedcb');
        $embedurl=$matches[1];
        $j = oembed_fetch_url($embedurl);
-       return oembed_format_object($j);
+       $s =  oembed_format_object($j);
+       return $s;//oembed_iframe($s,$j->width,$j->height);
+
+
 }
 
 
 function oembed_fetch_url($embedurl){
 
-       $txt = Cache::get($embedurl);
-                               
+       $a = get_app();
+
+       $txt = Cache::get($a->videowidth . $embedurl);
+
+       // These media files should now be caught in bbcode.php
+       // left here as a fallback in case this is called from another source
+
+       $noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm");
+       $ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION);
+
+
        if(is_null($txt)){
                $txt = "";
-               
-               // try oembed autodiscovery
-               $redirects = 0;
-               $html_text = fetch_url($embedurl, false, $redirects, 15);
-               if(! $html_text)
-                       return;
-               $dom = @DOMDocument::loadHTML($html_text);
-               if ($dom){
-                       $xpath = new DOMXPath($dom);
-                       $attr = "oembed";
-               
-                       $xattr = oe_build_xpath("class","oembed");
-                       $entries = $xpath->query("//link[@type='application/json+oembed']");
-                       foreach($entries as $e){
-                               $href = $e->getAttributeNode("href")->nodeValue;
-                               $txt = fetch_url($href);
+
+               if (!in_array($ext, $noexts)){
+                       // try oembed autodiscovery
+                       $redirects = 0;
+                       $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*"); /**/
+                       if($html_text){
+                               $dom = @DOMDocument::loadHTML($html_text);
+                               if ($dom){
+                                       $xpath = new DOMXPath($dom);
+                                       $attr = "oembed";
+
+                                       $xattr = oe_build_xpath("class","oembed");
+                                       $entries = $xpath->query("//link[@type='application/json+oembed']");
+                                       foreach($entries as $e){
+                                               $href = $e->getAttributeNode("href")->nodeValue;
+                                               $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
+                                               break;
+                                       }
+                               }
                        }
                }
-               
+
                if ($txt==false || $txt==""){
                        // try oohembed service
-                       $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);  
+                       $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl).'&maxwidth=' . $a->videowidth;  
                        $txt = fetch_url($ourl);
                }
-               
+
                $txt=trim($txt);
                if ($txt[0]!="{") $txt='{"type":"error"}';
-       
+
                //save in cache
-               Cache::set($embedurl,$txt);
+               Cache::set($a->videowidth . $embedurl,$txt);
 
        }
-       
+
        $j = json_decode($txt);
        $j->embedurl = $embedurl;
        return $j;
 }
-       
+
 function oembed_format_object($j){
+       $a = get_app();
        $embedurl = $j->embedurl;
+       $jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) );
        $ret="<span class='oembed ".$j->type."'>";
        switch ($j->type) {
                case "video": {
                        if (isset($j->thumbnail_url)) {
-                               /*$tw = (isset($j->thumbnail_width)) ? $j->thumbnail_width:200;
-                               $th = (isset($j->thumbnail_height)) ? $j->thumbnail_height:180;*/
-                               $tw=150; $th=120; 
-                               $ret.= "<a href='".$embedurl."' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' style='float:left; margin: 1em; '>";
-                               $ret.= "<img width='$tw' height='$th' src='".$j->thumbnail_url."'>";
-                               $ret.= "</a>";
+                               $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
+                               $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
+                               // make sure we don't attempt divide by zero, fallback is a 1:1 ratio
+                               $tr = (($th) ? $tw/$th : 1);
+
+                               $th=120; $tw = $th*$tr;
+                               $tpl=get_markup_template('oembed_video.tpl');
+                               $ret.=replace_macros($tpl, array(
+                    '$baseurl' => $a->get_baseurl(),
+                                       '$embedurl'=>$embedurl,
+                                       '$escapedhtml'=>base64_encode($jhtml),
+                                       '$tw'=>$tw,
+                                       '$th'=>$th,
+                                       '$turl'=>$j->thumbnail_url,
+                               ));
+
                        } else {
-                               $ret=$j->html;
+                               $ret=$jhtml;
                        }
                        $ret.="<br>";
                }; break;
                case "photo": {
-                       $ret.= "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
+                       $ret.= "<img width='".$j->width."' src='".$j->url."'>";
+                       //$ret.= "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
                        $ret.="<br>";
-               }; break;  
+               }; break;
                case "link": {
                        //$ret = "<a href='".$embedurl."'>".$j->title."</a>";
-               }; break;  
+               }; break;
                case "rich": {
-                       // not so safe.. 
-                       $ret.= $j->html;
+                       // not so safe..
+                       $ret.= $jhtml;
                }; break;
        }
 
        // add link to source if not present in "rich" type
-       if (  $j->type!='rich' || !strpos($ret,$embedurl) ){
+       if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
+               if (isset($j->provider_name)) $ret .= $j->provider_name.": ";
                $embedlink = (isset($j->title))?$j->title:$embedurl;
                $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
-               if (isset($j->author_name)) $ret.=" by ".$j->author_name;
-               if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
+               if (isset($j->author_name)) $ret.=" (".$j->author_name.")";
+               //if (isset($j->author_name)) $ret.=" by ".$j->author_name;
+               //if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
        } else {
                // add <a> for html2bbcode conversion
-               $ret .= "<a href='$embedurl' rel='oembed'/>";
+               $ret .= "<a href='$embedurl' rel='oembed'></a>";
        }
        $ret.="<br style='clear:left'></span>";
        return  mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
 }
 
+function oembed_iframe($src,$width,$height) {
+       if(! $width || strstr($width,'%'))
+               $width = '640';
+       if(! $height || strstr($height,'%'))
+               $height = '300';
+       // try and leave some room for the description line.
+       $height = intval($height) + 80;
+       $width  = intval($width) + 40;
+
+       $a = get_app();
+
+       $s = $a->get_baseurl()."/oembed/".base64url_encode($src);
+       return '<iframe height="' . $height . '" width="' . $width . '" src="' . $s . '" frameborder="no" >' . t('Embedded content') . '</iframe>';
+
+}
+
+
+
 function oembed_bbcode2html($text){
        $stopoembed = get_config("system","no_oembed");
        if ($stopoembed == true){
@@ -115,7 +164,7 @@ function oe_get_inner_html( $node ) {
         $innerHTML .= $child->ownerDocument->saveXML( $child );
     }
     return $innerHTML;
-} 
+}
 
 /**
  * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
@@ -124,17 +173,17 @@ function oe_get_inner_html( $node ) {
 function oembed_html2bbcode($text) {
        // start parser only if 'oembed' is in text
        if (strpos($text, "oembed")){
-               
+
                // convert non ascii chars to html entities
                $html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text));
-               
+
                // If it doesn't parse at all, just return the text.
                $dom = @DOMDocument::loadHTML($html_text);
                if(! $dom)
                        return $text;
                $xpath = new DOMXPath($dom);
                $attr = "oembed";
-               
+
                $xattr = oe_build_xpath("class","oembed");
                $entries = $xpath->query("//span[$xattr]");
 
@@ -146,8 +195,5 @@ function oembed_html2bbcode($text) {
                return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
        } else {
                return $text;
-       } 
+       }
 }
-
-
-