/**
  * Editing personal messages settings
  *
  * - Accessed with ?action=admin;area=featuresettings;sa=pmsettings
  */
 public function action_pmsettings()
 {
     global $txt, $scripturl, $context;
     // Initialize the form
     $this->_initPMSettingsForm();
     // Retrieve the current config settings
     $config_vars = $this->_PMSettings->settings();
     require_once SUBSDIR . '/PersonalMessage.subs.php';
     loadLanguage('ManageMembers');
     $context['pm_limits'] = loadPMLimits();
     // Saving?
     if (isset($_GET['save'])) {
         checkSession();
         require_once SUBSDIR . '/Membergroups.subs.php';
         foreach ($context['pm_limits'] as $group_id => $group) {
             if (isset($_POST['group'][$group_id]) && $_POST['group'][$group_id] != $group['max_messages']) {
                 updateMembergroupProperties(array('current_group' => $group_id, 'max_messages' => $_POST['group'][$group_id]));
             }
         }
         call_integration_hook('integrate_save_pmsettings_settings');
         Settings_Form::save_db($config_vars);
         redirectexit('action=admin;area=featuresettings;sa=pmsettings');
     }
     $context['post_url'] = $scripturl . '?action=admin;area=featuresettings;save;sa=pmsettings';
     $context['settings_title'] = $txt['personal_messages'];
     // We need this for the in-line permissions
     createToken('admin-mp');
     Settings_Form::prepare_db($config_vars);
 }
 /**
  * Editing a membergroup.
  *
  * What it does:
  * - Screen to edit a specific membergroup.
  * - Called by ?action=admin;area=membergroups;sa=edit;group=x.
  * - It requires the manage_membergroups permission.
  * - Also handles the delete button of the edit form.
  * - Redirects to ?action=admin;area=membergroups.
  *
  * @uses the edit_group sub template of ManageMembergroups.
  */
 public function action_edit()
 {
     global $context, $txt, $modSettings;
     $current_group_id = isset($_REQUEST['group']) ? (int) $_REQUEST['group'] : 0;
     if (!empty($modSettings['deny_boards_access'])) {
         loadLanguage('ManagePermissions');
     }
     require_once SUBSDIR . '/Membergroups.subs.php';
     // Make sure this group is editable.
     if (!empty($current_group_id)) {
         $current_group = membergroupById($current_group_id);
     }
     // Now, do we have a valid id?
     if (!allowedTo('admin_forum') && !empty($current_group_id) && $current_group['group_type'] == 1) {
         fatal_lang_error('membergroup_does_not_exist', false);
     }
     // The delete this membergroup button was pressed.
     if (isset($_POST['delete'])) {
         checkSession();
         validateToken('admin-mmg');
         if (empty($current_group_id)) {
             fatal_lang_error('membergroup_does_not_exist', false);
         }
         // Let's delete the group
         deleteMembergroups($current_group['id_group']);
         redirectexit('action=admin;area=membergroups;');
     } elseif (isset($_POST['save'])) {
         // Validate the session.
         checkSession();
         validateToken('admin-mmg');
         if (empty($current_group_id)) {
             fatal_lang_error('membergroup_does_not_exist', false);
         }
         require_once SUBSDIR . '/DataValidator.class.php';
         $validator = new Data_Validator();
         // Cleanup the inputs! :D
         $validator->sanitation_rules(array('max_messages' => 'intval', 'min_posts' => 'intval|abs', 'group_type' => 'intval', 'group_desc' => 'trim|Util::htmlspecialchars', 'group_name' => 'trim|Util::htmlspecialchars', 'group_hidden' => 'intval', 'group_inherit' => 'intval', 'icon_count' => 'intval', 'icon_image' => 'trim|Util::htmlspecialchars', 'online_color' => 'trim|valid_color'));
         $validator->input_processing(array('boardaccess' => 'array'));
         $validator->validation_rules(array('boardaccess' => 'contains[allow,ignore,deny]'));
         $validator->validate($_POST);
         // Can they really inherit from this group?
         if ($validator->group_inherit != -2 && !allowedTo('admin_forum')) {
             $inherit_type = membergroupById($validator->group_inherit);
         }
         $min_posts = $validator->group_type == -1 && $validator->min_posts >= 0 && $current_group['id_group'] > 3 ? $validator->min_posts : ($current_group['id_group'] == 4 ? 0 : -1);
         $group_inherit = $current_group['id_group'] > 1 && $current_group['id_group'] != 3 && (empty($inherit_type['group_type']) || $inherit_type['group_type'] != 1) ? $validator->group_inherit : -2;
         //@todo Don't set online_color for the Moderators group?
         // Do the update of the membergroup settings.
         $properties = array('max_messages' => $validator->max_messages, 'min_posts' => $min_posts, 'group_type' => $validator->group_type < 0 || $validator->group_type > 3 || $validator->group_type == 1 && !allowedTo('admin_forum') ? 0 : $validator->group_type, 'hidden' => !$validator->group_hidden || $min_posts != -1 || $current_group['id_group'] == 3 ? 0 : $validator->group_hidden, 'id_parent' => $group_inherit, 'current_group' => $current_group['id_group'], 'group_name' => $validator->group_name, 'online_color' => $validator->online_color, 'icons' => $validator->icon_count <= 0 ? '' : min($validator->icon_count, 10) . '#' . $validator->icon_image, 'description' => $current_group['id_group'] == 1 || $validator->group_type != -1 ? $validator->group_desc : '');
         updateMembergroupProperties($properties);
         call_integration_hook('integrate_save_membergroup', array($current_group['id_group']));
         // Time to update the boards this membergroup has access to.
         if ($current_group['id_group'] == 2 || $current_group['id_group'] > 3) {
             $changed_boards = array();
             $changed_boards['allow'] = array();
             $changed_boards['deny'] = array();
             $changed_boards['ignore'] = array();
             if ($validator->boardaccess) {
                 foreach ($validator->boardaccess as $group_id => $action) {
                     $changed_boards[$action][] = (int) $group_id;
                 }
             }
             foreach (array('allow', 'deny') as $board_action) {
                 // Find all board this group is in, but shouldn't be in.
                 detachGroupFromBoards($current_group['id_group'], $changed_boards, $board_action);
                 // Add the membergroup to all boards that hadn't been set yet.
                 if (!empty($changed_boards[$board_action])) {
                     assignGroupToBoards($current_group['id_group'], $changed_boards, $board_action);
                 }
             }
         }
         // Remove everyone from this group!
         if ($min_posts != -1) {
             detachDeletedGroupFromMembers($current_group['id_group']);
         } elseif ($current_group['id_group'] != 3) {
             // Making it a hidden group? If so remove everyone with it as primary group (Actually, just make them additional).
             if ($validator->group_hidden == 2) {
                 setGroupToHidden($current_group['id_group']);
             }
             // Either way, let's check our "show group membership" setting is correct.
             validateShowGroupMembership();
         }
         // Do we need to set inherited permissions?
         if ($group_inherit != -2 && $group_inherit != $_POST['old_inherit']) {
             require_once SUBSDIR . '/Permission.subs.php';
             updateChildPermissions($group_inherit);
         }
         // Finally, moderators!
         $moderator_string = isset($_POST['group_moderators']) ? trim($_POST['group_moderators']) : '';
         detachGroupModerators($current_group['id_group']);
         if ((!empty($moderator_string) || !empty($_POST['moderator_list'])) && $min_posts == -1 && $current_group['id_group'] != 3) {
             // Get all the usernames from the string
             if (!empty($moderator_string)) {
                 $moderator_string = strtr(preg_replace('~&amp;#(\\d{4,5}|[2-9]\\d{2,4}|1[2-9]\\d);~', '&#$1;', htmlspecialchars($moderator_string, ENT_QUOTES, 'UTF-8')), array('&quot;' => '"'));
                 preg_match_all('~"([^"]+)"~', $moderator_string, $matches);
                 $moderators = array_merge($matches[1], explode(',', preg_replace('~"[^"]+"~', '', $moderator_string)));
                 for ($k = 0, $n = count($moderators); $k < $n; $k++) {
                     $moderators[$k] = trim($moderators[$k]);
                     if (strlen($moderators[$k]) == 0) {
                         unset($moderators[$k]);
                     }
                 }
                 // Find all the id_member's for the member_name's in the list.
                 if (!empty($moderators)) {
                     $group_moderators = getIDMemberFromGroupModerators($moderators);
                 }
             } else {
                 $moderators = array();
                 foreach ($_POST['moderator_list'] as $moderator) {
                     $moderators[] = (int) $moderator;
                 }
                 $group_moderators = array();
                 if (!empty($moderators)) {
                     require_once SUBSDIR . '/Members.subs.php';
                     $members = getBasicMemberData($moderators);
                     foreach ($members as $member) {
                         $group_moderators[] = $member['id_member'];
                     }
                 }
             }
             // Found some?
             if (!empty($group_moderators)) {
                 assignGroupModerators($current_group['id_group'], $group_moderators);
             }
         }
         // There might have been some post group changes.
         updateStats('postgroups');
         // We've definitely changed some group stuff.
         updateSettings(array('settings_updated' => time()));
         // Log the edit.
         logAction('edited_group', array('group' => $validator->group_name), 'admin');
         redirectexit('action=admin;area=membergroups');
     }
     // Fetch the current group information.
     $row = membergroupById($current_group['id_group'], true);
     if (empty($row) || !allowedTo('admin_forum') && $row['group_type'] == 1) {
         fatal_lang_error('membergroup_does_not_exist', false);
     }
     $row['icons'] = explode('#', $row['icons']);
     $context['group'] = array('id' => $row['id_group'], 'name' => $row['group_name'], 'description' => htmlspecialchars($row['description'], ENT_COMPAT, 'UTF-8'), 'editable_name' => $row['group_name'], 'color' => $row['online_color'], 'min_posts' => $row['min_posts'], 'max_messages' => $row['max_messages'], 'icon_count' => (int) $row['icons'][0], 'icon_image' => isset($row['icons'][1]) ? $row['icons'][1] : '', 'is_post_group' => $row['min_posts'] != -1, 'type' => $row['min_posts'] != -1 ? 0 : $row['group_type'], 'hidden' => $row['min_posts'] == -1 ? $row['hidden'] : 0, 'inherited_from' => $row['id_parent'], 'allow_post_group' => $row['id_group'] == 2 || $row['id_group'] > 4, 'allow_delete' => $row['id_group'] == 2 || $row['id_group'] > 4, 'allow_protected' => allowedTo('admin_forum'));
     // Get any moderators for this group
     $context['group']['moderators'] = getGroupModerators($row['id_group']);
     $context['group']['moderator_list'] = empty($context['group']['moderators']) ? '' : '&quot;' . implode('&quot;, &quot;', $context['group']['moderators']) . '&quot;';
     if (!empty($context['group']['moderators'])) {
         list($context['group']['last_moderator_id']) = array_slice(array_keys($context['group']['moderators']), -1);
     }
     // Get a list of boards this membergroup is allowed to see.
     $context['boards'] = array();
     if ($row['id_group'] == 2 || $row['id_group'] > 3) {
         require_once SUBSDIR . '/Boards.subs.php';
         $context += getBoardList(array('override_permissions' => true, 'access' => $row['id_group'], 'not_redirection' => true));
         // Include a list of boards per category for easy toggling.
         foreach ($context['categories'] as $category) {
             $context['categories'][$category['id']]['child_ids'] = array_keys($category['boards']);
         }
     }
     // Finally, get all the groups this could be inherited off.
     $context['inheritable_groups'] = getInheritableGroups($row['id_group']);
     call_integration_hook('integrate_view_membergroup');
     $context['sub_template'] = 'edit_group';
     $context['page_title'] = $txt['membergroups_edit_group'];
     // Use the autosuggest script when needed
     if ($context['group']['id'] != 3 && $context['group']['id'] != 4) {
         loadJavascriptFile('suggest.js', array('defer' => true));
     }
     createToken('admin-mmg');
 }