From 95c6ce268f486ceca7628b378ee17414a7708e0e Mon Sep 17 00:00:00 2001
From: stfwi <cerberos@atwillys.de>
Date: Tue, 5 Jul 2011 22:23:29 +0100
Subject: When changing user roles in the config form, the group file is now
 directly updated. The cron file update was removed as it is now obsolete.

---
 HTPasswdSync.module | 51 +++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 39 insertions(+), 12 deletions(-)

diff --git a/HTPasswdSync.module b/HTPasswdSync.module
index 36861bc..4c65b21 100644
--- a/HTPasswdSync.module
+++ b/HTPasswdSync.module
@@ -232,6 +232,24 @@ function _htpasswdsync_updategroup() {
 }
 
 
+/**
+ * Removes a group from a file given either by RID or by role name.
+ * @param mixed $role
+ */
+function _htpasswdsync_remove_role($role) {
+    if(is_numeric($role)) {
+        $role = reset(db_query('SELECT name FROM {role} WHERE rid = :rid', array(':rid' => $role))->fetchCol());
+    }
+    $role = _htpasswdsync_sanatize_name($role);
+    $file = _htpasswdsync_grpfilename();
+    $groups = _htpasswdsync_read_htfile($file);
+    if(isset($groups[$role])) {
+        unset($groups[$role]);
+        _htpasswdsync_write_htfile($groups, $file);
+    }
+}
+
+
 /**
  * Generate the htpasswd content from the database update the htpasswd file
  * from the table htpasswdsync_passwd
@@ -393,7 +411,7 @@ function htpasswdsync_user_role_update($role) {
  * @param object $role
  * @return void
  */
-function htpasswdsync_user_role_delete($role) {    
+function htpasswdsync_user_role_delete($role) {
     _htpasswdsync_updategroup();
 }
 
@@ -434,7 +452,7 @@ function htpasswdsync_menu() {
         'title' => 'Htpasswd file synchronization',
         'description' => 'Preferences for the HTPasswd Sync module',
         'page callback' => 'drupal_get_form',
-        'page arguments' => array('htpasswdsync_admin'),
+        'page arguments' => array('htpasswdsync_admin_form'),
         'access arguments' => array('administer htpasswdsync'),
     );
     return $items;
@@ -445,7 +463,15 @@ function htpasswdsync_menu() {
  * Returns the configuration form structure
  * @return array
  */
-function htpasswdsync_admin() {
+function htpasswdsync_admin_form() {
+    // A workaround to update the files directly after saving the config form,
+    // Because the form is displayed directly after saving.
+    if(variable_get('htpasswdsync_flag_needs_rebuild', false)) {
+        variable_del('htpasswdsync_flag_needs_rebuild');
+        _htpasswdsync_updatepasswd();
+        _htpasswdsync_updategroup();
+    }
+
     $form['htpasswdsync_htpasswd'] = array(
         '#type' => 'textfield',
         '#title' => t('htpasswd file'),
@@ -506,7 +532,6 @@ function htpasswdsync_admin() {
     );
 
     // Small description ...
-
     $notewhitespaces = _htpasswdsync_names_lowercase() ? " Enter your login name without whitespaces and special characters." : "";
 
     $txt = t('This is how a simple .htaccess file could look like:')
@@ -540,7 +565,7 @@ function htpasswdsync_admin() {
  * @param array& $form_state
  * @return void
  */
-function htpasswdsync_admin_validate($form, &$form_state) {
+function htpasswdsync_admin_form_validate($form, &$form_state) {
     $form_state['values']['htpasswdsync_htpasswd'] = trim($form_state['values']['htpasswdsync_htpasswd']);
     $form_state['values']['htpasswdsync_htgroup'] = trim($form_state['values']['htpasswdsync_htgroup']);
     $error = false;
@@ -572,9 +597,14 @@ function htpasswdsync_admin_validate($form, &$form_state) {
     }
 
     // Directly apply changes if no validation errors
-    if(!$error) {
-        _htpasswdsync_updatepasswd();
-        _htpasswdsync_updategroup();
+    if($error == false) {
+        // A workaround to update the files directly after saving the config form
+        variable_set('htpasswdsync_flag_needs_rebuild', true);
+        foreach(_htpasswdsync_roles() as $role) {
+            if($role > 0 && !in_array($role, $form_state['values']['htpasswdsync_roles'])) {
+                _htpasswdsync_remove_role($role);
+            }
+        }
     }
 }
 
@@ -639,9 +669,6 @@ function htpasswdsync_requirements($phase) {
  * @return void
  */
 function htpasswdsync_cron() {
-    $time = variable_get('htpasswdsync_cron_time', 0);
-    _htpasswdsync_commit_to_htpasswd();
-    $res = db_query('DELETE FROM {htpasswdsync_htpasswd} WHERE username NOT IN (SELECT name from {users})');
-    variable_set('htpasswdsync_cron_time', time());
+    db_query('DELETE FROM {htpasswdsync_htpasswd} WHERE username NOT IN (SELECT name from {users})');
 }
 ?>
-- 
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