]> git.mxchange.org Git - friendica.git/blobdiff - include/oembed.php
Merge pull request #2148 from annando/issue-1871
[friendica.git] / include / oembed.php
index dbb96a67ca7e5aa9f14e9bfa7299ff77bf650e37..0e1238360310b87efc675e453bd0805b8868d944 100755 (executable)
@@ -10,7 +10,9 @@ function oembed_replacecb($matches){
 }
 
 
-function oembed_fetch_url($embedurl){
+function oembed_fetch_url($embedurl, $no_rich_type = false){
+       $embedurl = trim($embedurl, "'");
+       $embedurl = trim($embedurl, '"');
 
        $a = get_app();
 
@@ -21,21 +23,20 @@ function oembed_fetch_url($embedurl){
 
        $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/*");
+                       $html_text = fetch_url($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 $e){
@@ -43,98 +44,180 @@ function oembed_fetch_url($embedurl){
                                                $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
                                                break;
                                        }
+                                       $entries = $xpath->query("//link[@type='text/json+oembed']");
+                                       foreach($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).'&maxwidth=' . $a->videowidth;  
-                       $txt = fetch_url($ourl);
+                       $embedly = get_config("system", "embedly");
+                       if ($embedly != "") {
+                               // try embedly service
+                               $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl);
+                               $txt = fetch_url($ourl);
+
+                               logger("oembed_fetch_url: ".$txt, LOGGER_DEBUG);
+                       }
                }
-               
+
                $txt=trim($txt);
-               if ($txt[0]!="{") $txt='{"type":"error"}';
-       
-               //save in cache
-               Cache::set($a->videowidth . $embedurl,$txt);
 
+               if ($txt[0]!="{")
+                       $txt='{"type":"error"}';
+               else    //save in cache
+                       Cache::set($a->videowidth . $embedurl,$txt, CACHE_DAY);
        }
-       
+
        $j = json_decode($txt);
+
+       if (!is_object($j))
+               return false;
+
+       // Always embed the SSL version
+       if (isset($j->html))
+               $j->html = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
+                       array("https://www.youtube.com/", "https://player.vimeo.com/"), $j->html);
+
        $j->embedurl = $embedurl;
+
+       // If fetching information doesn't work, then improve via internal functions
+       if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
+               require_once("mod/parse_url.php");
+               $data = parseurl_getsiteinfo($embedurl, true, false);
+               $j->type = $data["type"];
+
+               if ($j->type == "photo") {
+                       $j->url = $data["url"];
+                       //$j->width = $data["images"][0]["width"];
+                       //$j->height = $data["images"][0]["height"];
+               }
+
+               if (isset($data["title"]))
+                       $j->title = $data["title"];
+
+               if (isset($data["text"]))
+                       $j->description = $data["text"];
+
+               if (is_array($data["images"])) {
+                       $j->thumbnail_url = $data["images"][0]["src"];
+                       $j->thumbnail_width = $data["images"][0]["width"];
+                       $j->thumbnail_height = $data["images"][0]["height"];
+               }
+       }
+
+       call_hooks('oembed_fetch_url', $embedurl, $j);
+
        return $j;
 }
-       
+
 function oembed_format_object($j){
+       require_once("mod/proxy.php");
+
        $a = get_app();
-    $embedurl = $j->embedurl;
+       $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;
-                               
+                               $tw = (isset($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' => $a->get_baseurl(),
+                               '$baseurl' => $a->get_baseurl(),
                                        '$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."' src='".$j->url."'>";
-                       //$ret.= "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
+                       $ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
+                       //$ret.= "<img width='".$j->width."' height='".$j->height."' src='".proxy_url($j->url)."'>";
                        $ret.="<br>";
-               }; break;  
+               }; break;
                case "link": {
                        //$ret = "<a href='".$embedurl."'>".$j->title."</a>";
-               }; break;  
+               }; break;
                case "rich": {
-                       // not so safe.. 
-                       $ret.= $jhtml;
+                       // not so safe..
+                       if (!get_config("system","no_oembed_rich_content"))
+                               $ret.= proxy_parse_html($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;
+       if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
+               $ret .= "<h4>";
+               if (isset($j->title)) {
+                       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))
+                               $ret.=" (".$j->author_name.")";
+               } elseif (isset($j->provider_name) OR isset($j->author_name)) {
+                       $embedlink = "";
+                       if (isset($j->provider_name))
+                               $embedlink .= $j->provider_name;
+
+                       if (isset($j->author_name)) {
+                               if ($embedlink != "")
+                                       $embedlink .= ": ";
+
+                               $embedlink .= $j->author_name;
+                       }
+                       if (trim($embedlink) == "")
+                               $embedlink = $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 .= "</h4>";
        } else {
                // add <a> for html2bbcode conversion
-               $ret .= "<a href='$embedurl' rel='oembed'></a>";
+               $ret .= "<a href='$embedurl' rel='oembed'>$embedurl</a>";
+               $ret .= "<br style='clear:left'>";
        }
-       $ret.="<br style='clear:left'></span>";
+       $ret.="</span>";
        return  mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
 }
 
 function oembed_iframe($src,$width,$height) {
+
        if(! $width || strstr($width,'%'))
                $width = '640';
-       if(! $height || strstr($height,'%'))
+       if(! $height || strstr($height,'%')) {
                $height = '300';
-       // try and leave some room for the description line. 
+               $resize = 'onload="resizeIframe(this);"';
+       } else
+               $resize = '';
+
+       // 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="' . $s . '" frameborder="no" >' . t('Embedded content') . '</iframe>'; 
+       return '<iframe '.$resize.' class="embed_rich" height="'.$height.'" width="'.$width.'" src="'.$s.'" frameborder="no">'.t('Embedded content').'</iframe>';
 
 }
 
@@ -161,7 +244,7 @@ function oe_get_inner_html( $node ) {
         $innerHTML .= $child->ownerDocument->saveXML( $child );
     }
     return $innerHTML;
-} 
+}
 
 /**
  * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
@@ -170,17 +253,17 @@ 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]");
 
@@ -192,8 +275,5 @@ function oembed_html2bbcode($text) {
                return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
        } else {
                return $text;
-       } 
+       }
 }
-
-
-