From 923fa068a684a7e3b712714cda0cb75ffa58bd78 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Tue, 10 Nov 2009 14:45:19 -0500
Subject: change credential check to work more like other events

---
 lib/util.php | 47 +++++++++++------------------------------------
 1 file changed, 11 insertions(+), 36 deletions(-)

(limited to 'lib/util.php')

diff --git a/lib/util.php b/lib/util.php
index 65bc6544d..81160d052 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -116,51 +116,26 @@ function common_munge_password($password, $id)
 }
 
 // check if a username exists and has matching password
+
 function common_check_user($nickname, $password)
 {
-    $authenticated = false;
-    $eventResult = Event::handle('CheckPassword', array($nickname, $password, &$authenticated));
-    $user = User::staticGet('nickname', $nickname);
-    if (is_null($user) || $user === false) {
-        //user does not exist
-        if($authenticated){
-            //a handler said these are valid credentials, so see if a plugin wants to auto register the user
-            if(Event::handle('AutoRegister', array($nickname))){
-                //no handler registered the user
-                return false;
-            }else{
-                $user = User::staticGet('nickname', $nickname);
-                if (is_null($user) || $user === false) {
-                    common_log(LOG_WARNING, "A plugin handled the AutoRegister event, but did not actually register the user, nickname: $nickname");
-                    return false;
-                }else{
-                    return $user;
-                }
-            }
-        }else{
-            //no handler indicated the credentials were valid, and we know their not valid because the user isn't in the database
-            return false;
-        }
-    } else {
-        if($eventResult && ! $authenticated){
-            //no handler was authoritative
-            if (mb_strlen($password) == 0) {
-                // NEVER allow blank passwords, even if they match the DB
-                return false;
-            }else{
+    $authenticatedUser = false;
+
+    if (Event::handle('StartCheckPassword', array($nickname, $password, &$authenticatedUser))) {
+        $user = User::staticGet('nickname', $nickname);
+        if (!empty($user)) {
+            if (!empty($password)) { // never allow login with blank password
                 if (0 == strcmp(common_munge_password($password, $user->id),
                                 $user->password)) {
                     //internal checking passed
-                    $authenticated = true;
+                    $authenticatedUser =& $user;
                 }
             }
         }
-        if($authenticated){
-            return $user;
-        } else {
-            return false;
-        }
+        Event::handle('EndCheckPassword', array($nickname, $password, $authenticatedUser));
     }
+
+    return $authenticatedUser;
 }
 
 // is the current user logged in?
-- 
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