1 files changed, 136 insertions, 0 deletions
diff --git a/mod/openid.php b/mod/openid.php
new file mode 100644
index 000000000..e1c71f9ee
--- /dev/null
+++ b/mod/openid.php
@@ -0,0 +1,136 @@
+<?php
+
+
+require_once('library/openid/openid.php');
+require_once('include/auth.php');
+
+function openid_content(&$a) {
+
+	$noid = get_config('system','disable_openid');
+	if($noid)
+		goaway(z_root());
+
+	logger('mod_openid ' . print_r($_REQUEST,true), LOGGER_DATA);
+
+	if(x($_REQUEST,'openid_mode')) {
+
+		$openid = new LightOpenID(z_root());
+
+		if($openid->validate()) {
+
+			logger('openid: validate');
+
+			$authid = normalise_openid($_REQUEST['openid_identity']);
+
+			if(! strlen($authid)) {
+				logger( t('OpenID protocol error. No ID returned.') . EOL);
+				goaway(z_root());
+			}
+			
+			$x = match_openid($authid);
+			if($x) {	
+
+				$r = q("select * from channel where channel_id = %d limit 1",
+					intval($x)
+				);
+				if($r) {
+					$y = q("select * from account where account_id = %d limit 1",
+						intval($r[0]['channel_account_id'])
+					);
+					if($y) {
+					    foreach($y as $record) {
+					        if(($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)) {
+			            		logger('mod_openid: openid success for ' . $x[0]['channel_name']);
+								$_SESSION['uid'] = $r[0]['channel_id'];
+								$_SESSION['authenticated'] = true;
+								authenticate_success($record,true,true,true,true);
+								goaway(z_root());
+							}
+						}
+					}
+				}
+			}
+
+			// Successful OpenID login - but we can't match it to an existing account.
+			// See if they've got an xchan
+
+			$r = q("select * from xconfig left join xchan on xchan_hash = xconfig.xchan where cat = 'system' and k = 'openid' and v = '%s' limit 1",
+				dbesc($authid)
+			);				
+
+			if($r) {
+				$_SESSION['authenticated'] = 1;
+				$_SESSION['visitor_id'] = $r[0]['xchan_hash'];
+				$_SESSION['my_address'] = $r[0]['xchan_addr'];
+				$arr = array('xchan' => $r[0], 'session' => $_SESSION);
+				call_hooks('magic_auth_openid_success',$arr);
+				$a->set_observer($r[0]);
+				require_once('include/security.php');
+				$a->set_groups(init_groups_visitor($_SESSION['visitor_id']));
+				info(sprintf( t('Welcome %s. Remote authentication successful.'),$r[0]['xchan_name']));
+				logger('mod_openid: remote auth success from ' . $r[0]['xchan_addr']); 
+				if($_SESSION['return_url'])
+					goaway($_SESSION['return_url']);
+				goaway(z_root());
+			}
+
+			// no xchan...
+			// create one.
+			// We should probably probe the openid url.
+
+			$name = $authid;
+			$url = $_REQUEST['openid_identity'];
+			if(strpos($url,'http') === false)
+				$url = 'https://' . $url;
+			$pphoto = get_default_profile_photo();
+			$parsed = @parse_url($url);
+			if($parsed) {
+				$host = $parsed['host'];
+			}
+
+			$attr = $openid->getAttributes();
+
+			if(is_array($attr) && count($attr)) {
+				foreach($attr as $k => $v) {
+					if($k === 'namePerson/friendly')
+						$nick = notags(trim($v));
+					if($k === 'namePerson/first')
+						$first = notags(trim($v));
+					if($k === 'namePerson')
+						$name = notags(trim($v));
+					if($k === 'contact/email')
+						$addr = notags(trim($v));
+					if($k === 'media/image/aspect11')
+						$photosq = trim($v);
+					if($k === 'media/image/default')
+						$photo_other = trim($v);
+				}
+			}
+			if(! $nick) {
+				if($first)
+					$nick = $first;
+				else
+					$nick = $name;
+			}
+
+			require_once('library/urlify/URLify.php');
+			$x = strtolower(URLify::transliterate($nick));
+			if(! $addr)
+				$addr = $nick . '@' . $host;
+			$network = 'unknown';
+			
+			if($photosq)
+				$pphoto = $photosq;
+			elseif($photo)
+				$pphoto = $photo;
+
+			// add the xchan record and xconfig for the openid
+
+			// NOTREACHED
+			// actually it is reached until the other bits get written
+		}
+	}
+	notice( t('Login failed.') . EOL);
+	goaway(z_root());
+	// NOTREACHED
+}