Index: logic.php
===================================================================
--- logic.php	(révision 19639)
+++ logic.php	(copie de travail)
@@ -131,7 +131,7 @@
 				echo $this->error;
 				return false;				
 			}
-			require_once(ABSPATH . '/wp-admin/upgrade-functions.php');
+			require_once(ABSPATH . '/wp-admin/upgrade.php');
 			$this->getStore()->dbDelta();
 			
 			// Table for storing UserID <---> URL associations.
@@ -241,8 +241,8 @@
 			$this->action = $_REQUEST['action'];
 			
 			require_once(ABSPATH . 'wp-admin/admin-functions.php');
-			require_once(ABSPATH . 'wp-admin/admin-db.php');
-			require_once(ABSPATH . 'wp-admin/upgrade-functions.php');
+//			require_once(ABSPATH . 'wp-admin/admin-db.php');
+//			require_once(ABSPATH . 'wp-admin/upgrade.php');
 
 			auth_redirect();
 			nocache_headers();
@@ -421,9 +421,36 @@
 			$ret = @$this->getStore()->connection->query( "INSERT INTO $this->identity_url_table_name (user_id,url,hash) VALUES ( %s, %s, MD5(%s) )",
 				array( (int)$userdata->ID, $url, $url ) );
 			if( $old_show_errors ) $wpdb->show_errors();
+			if($foaf = $this->fetch_foaf_profile($url)) update_usermeta((int)$userdata->ID, 'foaf', $foaf);
+			if($sioc = $this->fetch_sioc_profile($url)) update_usermeta((int)$userdata->ID, 'sioc', $sioc);
 			return $ret;
 		}
-		
+
+		function fetch_foaf_profile($url) {
+			return $this->fetch_auto_discovery($url, 'foaf');
+		}
+
+		function fetch_sioc_profile($url) {
+			return $this->fetch_auto_discovery($url, 'sioc');
+		}
+		 
+		function fetch_auto_discovery($url, $type) {	
+			$html = file_get_contents($url);
+			preg_match_all('/<head.*<link.*rel="meta".*title="'.$type.'".*href="(.*)".*\/>.*<\/head>/Usi', $html, $links);
+			if($links) {
+				if($link = $links[1][0]) {
+					$ex = parse_url($link);
+					if($ex['scheme']) return $link;
+					elseif(substr($ex['path'], 0, 1) == '/') {
+						$ex = parse_url($url);
+						return $ex['scheme'].'://'.$ex['host'].$link;
+					}
+					else return $url.$link;
+				}
+			}
+			return null;
+		}
+
 		function drop_all_identities_for_user($userid) {
 			$this->late_bind();
 			if( !$this->enabled ) return false;