Changes up to 2.3.7 merged into unstable branch.
[fa-stable.git] / includes / hooks.inc
index 81e1a17a69da5db554b8c6efa3f12b90aaf6c607..080798c22adb6d6748fda75d682eecce6bf1e07e 100644 (file)
@@ -118,6 +118,12 @@ class hooks {
                return null;
        }
 
+       // External authentication
+       // If used should return true after successfull athentication, false otherwise.
+       function authenticate($login, $password)
+       {
+               return null;
+       }
        // Generic function called at the end of Tax Report (report 709)
        // Can be used e.g. for special database updates on every report printing
        // or to print special tax report footer 
@@ -281,28 +287,26 @@ function hook_invoke_first($method, &$data, $opts=null)
        return $result;
 }
 /*
-       Returns result of last hook installed. Helps implement hooks overriding by 
+       Returns last non-null result returned from modules method. Helps implement hooks overriding by 
        extensions installed later.
-       
 */
 function hook_invoke_last($method, &$data, $opts=null)
 {
 
        global $Hooks;
 
-       $found = false;
-       foreach($Hooks as $ext => $hook) {
+       $result = null;
+       $Reverse = array_reverse($Hooks);
+       foreach($Reverse as $ext => $hook) {
                if (method_exists($hook, $method)) {
-                       $found = $ext;
+                       set_ext_domain('modules/'.$ext);
+                       $result = $hook->$method($data, $opts);
+                       if (isset($result))
+                               break;
                }
        }
-       $ret = null;
-       if ($found) {
-               set_ext_domain('modules/'.$found);
-               $ret = $Hooks[$found]->$method($data, $opts);
-               set_ext_domain();
-       }
-       return $ret;
+       set_ext_domain();
+       return $result;
 }
 //------------------------------------------------------------------------------------------
 //     Database transaction hooks.
@@ -388,3 +392,11 @@ function hook_session_start($company)
        }
        return false;
 }
+//
+//     Third party authentication modules.
+//     Returns true after successfull authentication, false otherwise, null if no login hook is defined.
+//
+function hook_authenticate($login, $password)
+{
+       return hook_invoke_last('authenticate', $login, $password);
+}