- $r = q("SELECT * FROM `user`
- WHERE ( `email` = '%s' OR `nickname` = '%s' ) AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
- dbesc(trim($_POST['login-name'])),
- dbesc(trim($_POST['login-name'])),
- dbesc($encrypted));
- if(($r === false) || (! count($r))) {
+ /**
+ *
+ * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
+ * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
+ * and later plugins should not interfere with an earlier one that succeeded.
+ *
+ */
+
+ call_hooks('authenticate', $addon_auth);
+
+ if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
+ $record = $addon_auth['user_record'];
+ }
+ else {
+
+ // process normal login request
+
+ $r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' )
+ AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
+ dbesc(trim($_POST['openid_url'])),
+ dbesc(trim($_POST['openid_url'])),
+ dbesc($encrypted)
+ );
+ if(count($r))
+ $record = $r[0];
+ }
+
+ if((! $record) || (! count($record))) {
+ logger('authenticate: failed login attempt: ' . trim($_POST['openid_url']));