X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Foembed.php;h=4d2b7185e9a43d2f516a46e62461b605f0150d97;hb=b8479cc2f98bdd3b144cfda127c799ba4740fc83;hp=d9bf9f67cf9fef8107f10cf138eb36e08e9422e1;hpb=23d1b994ccff17567391eb9b1572321b1731189c;p=friendica.git

diff --git a/include/oembed.php b/include/oembed.php
index d9bf9f67cf..4d2b7185e9 100644
--- a/include/oembed.php
+++ b/include/oembed.php
@@ -1,16 +1,28 @@
 <?php
 function oembed_replacecb($matches){
   $embedurl=$matches[1];
-  $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);  
-  $txt = fetch_url($ourl);
+  
+  $r = q("SELECT v FROM `cache` WHERE k='%s'",
+  		dbesc($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="<!-- oembed $embedurl -->";
+  $ret="<span class='oembed'>";
   switch ($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;
-         $ret = "<a href='#' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' >";
+         $ret = "<a href='".$embedurl."' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' >";
          $ret.= "<img width='$tw' height='$th' src='".$j->thumbnail_url."'>";
          $ret.= "</a>";
        } else {
@@ -32,17 +44,66 @@ function oembed_replacecb($matches){
   }
   
   $embedlink = (isset($j->title))?$j->title:$embedurl;
-  $ret .= "<a href='$embedurl'>$embedlink</a>";
+  $ret .= "<a href='$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.="<!-- /oembed $embedurl -->";
+  $ret.="</span>";
   return $ret;
 }
 
-function oembed_bbcode($text){
+function oembed_bbcode2html($text){
 	$stopoembed = get_config("system","no_oembed");
-	if ($stopoembed == True):
-		return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", "$1" ,$text);
-	return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", oembed_replacecb ,$text);
+	if ($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' ,$text);
+}
+
+
+function oe_build_xpath($attr, $value){
+	// http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html
+	return "contains( normalize-space( @$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'";
 }
+
+function oe_get_inner_html( $node ) {
+    $innerHTML= '';
+    $children = $node->childNodes;
+    foreach ($children as $child) {
+        $innerHTML .= $child->ownerDocument->saveXML( $child );
+    }
+    return $innerHTML;
+} 
+
+/**
+ * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
+ * and replace it with [embed]url[/embed]
+ */
+function oembed_html2bbcode($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]");
+		
+		$xattr = oe_build_xpath("rel","oembed");
+		foreach($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) );
+	} else {
+		return $text;
+	} 
+}
+
 ?>
\ No newline at end of file