]> git.mxchange.org Git - friendica.git/blobdiff - include/oembed.php
Merge branch 'master', remote-tracking branch 'remotes/upstream/master'
[friendica.git] / include / oembed.php
old mode 100644 (file)
new mode 100755 (executable)
index a130357..cc71f97
 <?php
 function oembed_replacecb($matches){
-  $embedurl=$matches[1];
-  
-  $r = q("SELECT v FROM `cache` WHERE k='%s'",
-               dbesc($embedurl));
-  if(count($r)){
-       $txt = $r[0]['v'];
-  } else {
-         $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);  
-         $txt = fetch_url($ourl);
-         //save in cache
-         q("INSERT INTO `cache` VALUES ('%s','%s','%s')",
-               dbesc($embedurl),
-               dbesc($txt),
-               dbesc(datetime_convert()));
-  }
-  $j = json_decode($txt);
-  $ret="<span class='oembed'>";
-  switch ($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;
-         $ret = "<a href='".$embedurl."' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' >";
-         $ret.= "<img width='$tw' height='$th' src='".$j->thumbnail_url."'>";
-         $ret.= "</a>";
-       } else {
-         $ret=$j->html;
-       }
-       $ret.="<br>";
-    }; break;
-    case "photo": {
-      $ret = "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
-      $ret.="<br>";
-    }; break;  
-    case "link": {
-      //$ret = "<a href='".$embedurl."'>".$j->title."</a>";
-    }; break;  
-    case "rich": {
-      // not so safe.. 
-      $ret = "<blockquote>".$j->html."</blockquote>";
-    }; break;
-  }
-  
-  $embedlink = (isset($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;
-  $ret.="</span>";
-  return $ret;
+//     logger('oembedcb');
+       $embedurl=$matches[1];
+       $j = oembed_fetch_url($embedurl);
+       $s =  oembed_format_object($j);
+       return $s;//oembed_iframe($s,$j->width,$j->height);
+
+
+}
+
+
+function oembed_fetch_url($embedurl){
+
+       $txt = Cache::get($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)){
+               $txt = "";
+               
+               if (!in_array($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);
+                                       }
+                               }
+                       }
+               }
+               
+               if ($txt==false || $txt==""){
+                       // try oohembed service
+                       $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);  
+                       $txt = fetch_url($ourl);
+               }
+               
+               $txt=trim($txt);
+               if ($txt[0]!="{") $txt='{"type":"error"}';
+       
+               //save in cache
+               Cache::set($embedurl,$txt);
+
+       }
+       
+       $j = json_decode($txt);
+       $j->embedurl = $embedurl;
+       return $j;
 }
+       
+function oembed_format_object($j){
+       $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;
+                               $tr = $tw/$th;
+                               
+                               $th=120; $tw = $th*$tr;
+                               $tpl=get_markup_template('oembed_video.tpl');
+                               $ret.=replace_macros($tpl, array(
+                                       '$embedurl'=>$embedurl,
+                                       '$escapedhtml'=>base64_encode($jhtml),
+                                       '$tw'=>$tw,
+                                       '$th'=>$th,
+                                       '$turl'=>$j->thumbnail_url,
+                               ));
+                               
+                       } else {
+                               $ret=$jhtml;
+                       }
+                       $ret.="<br>";
+               }; break;
+               case "photo": {
+                       $ret.= "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
+                       $ret.="<br>";
+               }; break;  
+               case "link": {
+                       //$ret = "<a href='".$embedurl."'>".$j->title."</a>";
+               }; break;  
+               case "rich": {
+                       // not so safe.. 
+                       $ret.= $jhtml;
+               }; break;
+       }
+
+       // add link to source if not present in "rich" type
+       if (  $j->type!='rich' || !strpos($j->html,$embedurl) ){
+               $embedlink = (isset($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;
+       } else {
+               // add <a> for html2bbcode conversion
+               $ret .= "<a href='$embedurl' rel='oembed'/>";
+       }
+       $ret.="<br style='clear:left'></span>";
+       return  mb_convert_encoding($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){
                return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
        }
-       return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", oembed_replacecb ,$text);
+       return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", 'oembed_replacecb' ,$text);
 }
 
 
@@ -79,19 +162,32 @@ function oe_get_inner_html( $node ) {
  * and replace it with [embed]url[/embed]
  */
 function oembed_html2bbcode($text) {
-       $dom = DOMDocument::loadHTML($text);
-       $xpath = new DOMXPath($dom);
-       $attr = "oembed";
-       
-       $xattr = oe_build_xpath("class","oembed");
-       $entries = $xpath->query("//span[$xattr]");
-       
-       $xattr = oe_build_xpath("rel","oembed");
-       foreach($entries as $e) {
-               $href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
-               if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[embed]"), $e);
-       }
-       return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) ); 
+       // start parser only if 'oembed' is in text
+       if (strpos($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]");
+
+               $xattr = "@rel='oembed'";//oe_build_xpath("rel","oembed");
+               foreach($entries as $e) {
+                       $href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
+                       if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[/embed]"), $e);
+               }
+               return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
+       } else {
+               return $text;
+       } 
 }
 
-?>
\ No newline at end of file
+
+