Rewrite oembed plugin to use new bbcode tag [embed] and make discovery server-side

1 files changed, 45 insertions, 0 deletions

diff --git a/addon/oembed/oembed.php b/addon/oembed/oembed.php
index 55654a543..82183f3cc 100644
--- a/addon/oembed/oembed.php
+++ b/addon/oembed/oembed.php
@@ -10,11 +10,13 @@
 function oembed_install() {
   register_hook('jot_tool', 'addon/oembed/oembed.php', 'oembed_hook_jot_tool');
   register_hook('page_header', 'addon/oembed/oembed.php', 'oembed_hook_page_header');
+  register_hook('bbcode', 'addon/oembed/oembed.php', 'oembed_hook_bbcode');
 }
 
 function oembed_uninstall() {
   unregister_hook('jot_tool', 'addon/oembed/oembed.php', 'oembed_hook_jot_tool');
   unregister_hook('page_header', 'addon/oembed/oembed.php', 'oembed_hook_page_header');
+  unregister_hook('bbcode', 'addon/oembed/oembed.php', 'oembed_hook_bbcode');
 }
 
 function oembed_hook_page_header($a, &$b){
@@ -51,6 +53,49 @@ function oembed_hook_jot_tool($a, &$b) {
   ';
 }
 
+function oembed_replacecb($matches){
+  $embedurl=$matches[1];
+  $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);  
+  $txt = fetch_url($ourl);
+  $j = json_decode($txt);
+  $ret="<!-- oembed $embedurl -->";
+  switch ($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;' >";
+         $ret.= "<img width='$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'>$embedlink</a>";
+  if (isset($j->author_name)) $ret.=" by ".$j->author_name;
+  if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
+  $ret.="<!-- /oembed $embedurl -->";
+  return $ret;
+}
+
+function oembed_hook_bbcode($a, &$text){
+  $text = preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", oembed_replacecb ,$text);
+}
 
 
 ?>
\ No newline at end of file