UserLogin: Allow extensions to add valid error messages

[lhc/web/wiklou.git] / includes / specials / SpecialUserlogin.php

diff --git a/includes/specials/SpecialUserlogin.php b/includes/specials/SpecialUserlogin.php
index bdd6751..b6a3be2 100644 (file)
--- a/includes/specials/SpecialUserlogin.php
+++ b/includes/specials/SpecialUserlogin.php
@@ -113,6 +113,21 @@ class LoginForm extends SpecialPage {
                $wgUseMediaWikiUIEverywhere = true;
        }
 
+       /**
+        * Returns an array of all valid error messages.
+        *
+        * @return array
+        */
+       public static function getValidErrorMessages() {
+               static $messages = null;
+               if ( !$messages ) {
+                       $messages = self::$validErrorMessages;
+                       wfRunHooks( 'LoginFormValidErrorMessages', array( &$messages ) );
+               }
+
+               return $messages;
+       }
+
        /**
         * Loader
         */
@@ -175,13 +190,13 @@ class LoginForm extends SpecialPage {
 
                // Only show valid error or warning messages.
                if ( $entryError->exists()
-                       && in_array( $entryError->getKey(), self::$validErrorMessages )
+                       && in_array( $entryError->getKey(), self::getValidErrorMessages() )
                ) {
                        $this->mEntryErrorType = 'error';
                        $this->mEntryError = $entryError->rawParams( $loginreqlink )->escaped();
 
                } elseif ( $entryWarning->exists()
-                       && in_array( $entryWarning->getKey(), self::$validErrorMessages )
+                       && in_array( $entryWarning->getKey(), self::getValidErrorMessages() )
                ) {
                        $this->mEntryErrorType = 'warning';
                        $this->mEntryError = $entryWarning->rawParams( $loginreqlink )->escaped();