%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Project: User Role Editor plugin
* Author: Vladimir Garagulya
* Author email: support@role-editor.com
* Author URI: https://www.role-editor.com
* License: GPL v2+
*
* Assign multiple roles to the list of selected users directly from the "Users" page
* Grant/Revoke single role to/from selected users
*/
class URE_Grant_Roles {
const NO_ROLE_FOR_THIS_SITE = 'no-role-for-this-site';
private $lib = null;
private static $counter = 0;
public function __construct() {
$this->lib = URE_Lib::get_instance();
add_action( 'load-users.php', array( $this, 'load' ) );
}
// end of __construct()
public function load() {
add_action('restrict_manage_users', array($this, 'show_roles_manage_html') );
add_action('admin_head', array(User_Role_Editor::get_instance(), 'add_css_to_users_page') );
add_action('admin_enqueue_scripts', array($this, 'load_js') );
$this->update_roles();
}
// end of load()
private static function validate_users($users) {
if (!is_array($users)) {
return false;
}
foreach ($users as $user_id) {
if (!is_numeric($user_id)) {
return false;
}
if ( !current_user_can( 'promote_user', $user_id ) ) {
return false;
}
if ( is_multisite() && !is_user_member_of_blog( $user_id ) ) {
return false;
}
}
return true;
}
// end of validate_users()
private function add_role( $users ) {
if ( !empty( $_REQUEST['ure_add_role'] ) ) {
$role = $_REQUEST['ure_add_role'];
} else {
$role = $_REQUEST['ure_add_role_2'];
}
if ( !self::validate_roles( array($role=>$role) ) ) {
return;
}
$done = false;
foreach( $users as $user_id ) {
$user = get_user_by( 'id', $user_id );
if (empty( $user ) ) {
continue;
}
if ( empty($user->roles) || !in_array( $role, $user->roles ) ) {
$user->add_role( $role );
$done = true;
}
}
if ( $done ) {
// Redirect to the users screen.
if ( wp_redirect( add_query_arg( 'update', 'promote', 'users.php' ) ) ) {
exit;
}
}
}
// end of add_role()
private function is_try_remove_admin_from_himself( $user_id, $role) {
$result = false;
$current_user = wp_get_current_user();
$wp_roles = wp_roles();
$role_caps = array_keys( $wp_roles->roles[$role]['capabilities'] );
$is_current_user = ( $user_id == $current_user->ID );
$role_can_promote = in_array('promote_users', $role_caps);
$can_manage_network = is_multisite() && current_user_can( 'manage_network_users' );
// If the removed role has the `promote_users` cap and user is removing it from himself
if ( $is_current_user && $role_can_promote && !$can_manage_network ) {
$result = true;
// Loop through the current user's roles.
foreach ($current_user->roles as $_role) {
$_role_caps = array_keys( $wp_roles->roles[$_role]['capabilities'] );
// If the current user has another role that can promote users, it's safe to remove the role. Else, the current user should to keep this role.
if ( ($role!==$_role) && in_array( 'promote_users', $_role_caps ) ) {
$result = false;
break;
}
}
}
return $result;
}
private function revoke_role( $users ) {
if ( !empty( $_REQUEST['ure_revoke_role'] ) ) {
$role = $_REQUEST['ure_revoke_role'];
} else {
$role = $_REQUEST['ure_revoke_role_2'];
}
if ( !self::validate_roles( array($role=>$role) ) ) {
return;
}
$done = false;
foreach( $users as $user_id ) {
$user = get_user_by( 'id', $user_id );
if (empty( $user ) ) {
continue;
}
if ($this->is_try_remove_admin_from_himself( $user_id, $role ) ) {
continue;
}
if ( is_array($user->roles) && in_array( $role, $user->roles ) ) {
$user->remove_role( $role );
$done = true;
}
}
if ( $done ) {
if ( wp_redirect( add_query_arg( 'update', 'promote', 'users.php' ) ) ) {
exit;
}
}
}
// end of revoke_role()
private function update_roles() {
if ( empty( $_REQUEST['users'] ) ) {
return;
}
if ( !current_user_can('promote_users') ) {
return;
}
$users = (array) $_REQUEST['users'];
if ( !self::validate_users( $users ) ) {
return;
}
if ( ( !empty( $_REQUEST['ure_add_role'] ) && !empty( $_REQUEST['ure_add_role_submit']) ) ||
( !empty( $_REQUEST['ure_add_role_2'] ) && !empty( $_REQUEST['ure_add_role_submit_2'] ) ) ) {
$this->add_role( $users );
} else if ( ( !empty( $_REQUEST['ure_revoke_role'] ) && !empty( $_REQUEST['ure_revoke_role_submit'] ) ) ||
( !empty( $_REQUEST['ure_revoke_role_2'] ) && !empty( $_REQUEST['ure_revoke_role_submit_2'] ) ) ) {
$this->revoke_role( $users );
}
}
// end of update_roles()
private static function validate_roles($roles) {
if (!is_array($roles)) {
return false;
}
$lib = URE_Lib::get_instance();
$editable_roles = $lib->get_all_editable_roles();
$valid_roles = array_keys($editable_roles);
foreach($roles as $role) {
if (!in_array($role, $valid_roles)) {
return false;
}
}
return true;
}
// end of validate_roles()
private static function grant_primary_role_to_user($user_id, $role) {
$user = get_user_by('id', $user_id);
if (empty($user)) {
return;
}
if ($role===self::NO_ROLE_FOR_THIS_SITE) {
$role = '';
}
$old_roles = $user->roles; // Save currently granted roles to restore from them the bbPress roles later if there are any...
$user->set_role($role);
$lib = URE_Lib::get_instance();
$bbpress = $lib->get('bbpress');
if (empty($bbpress)) {
return;
}
$bbp_roles = $bbpress->extract_bbp_roles($old_roles);
if (count($bbp_roles)>0) { // restore bbPress roles
foreach($bbp_roles as $role) {
$user->add_role($role);
}
}
}
// end of grant_primary_role_to_user()
private static function grant_other_roles_to_user($user_id, $roles) {
$user = get_user_by('id', $user_id);
if (empty($user)) {
return;
}
$roles_list = array_values( $user->roles );
$primary_role = array_shift( $roles_list ); // Get the 1st element from the roles array
$lib = URE_Lib::get_instance();
$bbpress = $lib->get( 'bbpress' );
if ( empty( $bbpress ) ) {
$bbp_roles = array();
} else {
$bbp_roles = $bbpress->extract_bbp_roles( $user->roles );
}
$user->remove_all_caps();
$roles = array_merge(array( $primary_role ), $bbp_roles, $roles );
foreach( $roles as $role ) {
$user->add_role( $role );
}
}
// end of grant_other_roles_to_user()
/**
* Decide if primary role should be granted or left as it is
*
* @param string $primary_role
* @return boolean
*/
private static function is_select_primary_role($primary_role) {
if (empty($primary_role)) {
return false; // Primary role was not selected by user, leave an older one
}
$lib = URE_Lib::get_instance();
if ($lib->is_super_admin()) {
$select_primary_role = true;
} else {
$select_primary_role = apply_filters('ure_users_select_primary_role', true);
}
return $select_primary_role;
}
// end of is_select_primary_role()
public static function grant_roles() {
if ( !current_user_can('promote_users') ) {
$answer = array('result'=>'error', 'message'=>esc_html__('Not enough permissions', 'user-role-editor'));
return $answer;
}
$users = $_POST['users'];
if (!self::validate_users($users)) {
$answer = array('result'=>'error', 'message'=>esc_html__('Can not edit user or invalid data at the users list', 'user-role-editor'));
return $answer;
}
// Primary role
$primary_role = $_POST['primary_role'];
if (!empty($primary_role) && ($primary_role!==self::NO_ROLE_FOR_THIS_SITE) &&
!self::validate_roles(array($primary_role=>$primary_role))) {
$answer = array('result'=>'error', 'message'=>esc_html__('Invalid primary role', 'user-role-editor'));
return $answer;
}
if (self::is_select_primary_role($primary_role)) {
foreach ($users as $user_id) {
self::grant_primary_role_to_user($user_id, $primary_role);
}
}
// Other roles
$other_roles = isset($_POST['other_roles']) ? $_POST['other_roles'] : null;
if (!empty($other_roles) && !self::validate_roles($other_roles)) {
$answer = array('result'=>'error', 'message'=>esc_html__('Invalid data at the other roles list', 'user-role-editor'));
return $answer;
}
if (!empty($other_roles)) {
foreach($users as $user_id) {
self::grant_other_roles_to_user($user_id, $other_roles);
}
}
$answer = array('result'=>'success', 'message'=>esc_html__('Roles were granted to users successfully', 'user-role-editor'));
return $answer;
}
// end of grant_roles()
public static function get_user_roles() {
if ( !current_user_can( 'promote_users' ) ) {
$answer = array('result'=>'error', 'message'=>esc_html__('Not enough permissions', 'user-role-editor'));
return $answer;
}
$lib = URE_Lib::get_instance();
$user_id = (int) $lib->get_request_var('user_id', 'post', 'int');
if (empty($user_id)) {
$answer = array('result'=>'error', 'message'=>esc_html__('Wrong request, valid user ID was missed', 'user-role-editor'));
return $answer;
}
$user = get_user_by('id', $user_id);
if (empty($user)) {
$answer = array('result'=>'error', 'message'=>esc_html__('Requested user does not exist', 'user-role-editor'));
return $answer;
}
$other_roles = array_values($user->roles);
$primary_role = array_shift($other_roles);
$answer = array('result'=>'success', 'primary_role'=>$primary_role, 'other_roles'=>$other_roles);
return $answer;
}
// end of get_user_roles()
private function select_primary_role_html() {
$select_primary_role = apply_filters('ure_users_select_primary_role', true);
if (!$select_primary_role && !$this->lib->is_super_admin()) {
return;
}
?>
<span style="font-weight: bold;">
<?php esc_html_e('Primary Role: ', 'role-editor');?>
</span>
<select name="primary_role" id="primary_role">
<?php
// print the full list of roles with the primary one selected.
wp_dropdown_roles('');
echo '<option value="'. self::NO_ROLE_FOR_THIS_SITE .'">' . esc_html__('— No role for this site —') . '</option>'. PHP_EOL;
?>
</select>
<hr/>
<?php
}
// end of select_primary_role_html()
private function select_other_roles_html() {
?>
<div id="other_roles_container">
<span style="font-weight: bold;">
<?php
esc_html_e('Other Roles: ', 'role-editor');
?>
</span><br>
<?php
$show_admin_role = $this->lib->show_admin_role_allowed();
$roles = $this->lib->get_all_editable_roles();
ksort( $roles );
foreach ($roles as $role_id => $role) {
if (!$show_admin_role && $role_id=='administrator') {
continue;
}
echo '<label for="wp_role_' . $role_id . '"><input type="checkbox" id="wp_role_' . $role_id .
'" name="ure_roles[]" value="' . $role_id . '" /> ' .
esc_html__($role['name'], 'user-role-editor') .' ('. $role_id .')</label><br />'. PHP_EOL;
}
?>
</div>
<?php
}
// end of select_other_roles_html()
private function get_roles_options_list() {
ob_start();
wp_dropdown_roles();
$output = ob_get_clean();
return $output;
}
// end of get_roles_options_list()
public function show_roles_manage_html() {
if ( !current_user_can( 'promote_users' ) ) {
return;
}
$button_number = (self::$counter>0) ? '_2': '';
$roles_options_list = self::get_roles_options_list();
?>
<input type="button" name="ure_grant_roles<?php echo $button_number;?>" id="ure_grant_roles<?php echo $button_number;?>" class="button"
value="<?php esc_html_e('Grant Roles', 'user-role-editor');?>">
<label class="screen-reader-text" for="ure_add_role<?php echo $button_number;?>"><?php esc_html_e( 'Add role…', 'user-role-editor' ); ?></label>
<select name="ure_add_role<?php echo $button_number;?>" id="ure_add_role<?php echo $button_number;?>" style="display: inline-block; float: none;">
<option value=""><?php esc_html_e( 'Add role…', 'user-role-editor' ); ?></option>
<?php echo $roles_options_list; ?>
</select>
<?php submit_button( esc_html__( 'Add', 'user-role-editor' ), 'secondary', 'ure_add_role_submit'.$button_number, false ); ?>
<label class="screen-reader-text" for="ure_revoke_role<?php echo $button_number;?>"><?php esc_html_e( 'Revoke role…', 'user-role-editor' ); ?></label>
<select name="ure_revoke_role<?php echo $button_number;?>" id="ure_revoke_role<?php echo $button_number;?>" style="display: inline-block; float: none;">
<option value=""><?php esc_html_e( 'Revoke role…', 'user-role-editor' ); ?></option>
<?php echo $roles_options_list; ?>
</select>
<?php submit_button( esc_html__( 'Revoke', 'user-role-editor' ), 'secondary', 'ure_revoke_role_submit'.$button_number, false ); ?>
<?php
if (self::$counter==0) {
?>
<div id="ure_grant_roles_dialog" class="ure-dialog">
<div id="ure_grant_roles_content">
<?php
$this->select_primary_role_html();
$this->select_other_roles_html();
?>
</div>
</div>
<?php
URE_View::output_task_status_div();
self::$counter++;
}
}
// end of show_grant_roles_html()
public function load_js() {
$show_wp_change_role = apply_filters('ure_users_show_wp_change_role', true);
wp_enqueue_script('jquery-ui-dialog', '', array('jquery-ui-core','jquery-ui-button', 'jquery') );
wp_register_script('ure-users-grant-roles', plugins_url('/js/users-grant-roles.js', URE_PLUGIN_FULL_PATH ), array(), URE_VERSION );
wp_enqueue_script('ure-users-grant-roles', '', array(), false, true);
wp_localize_script('ure-users-grant-roles', 'ure_users_grant_roles_data', array(
'wp_nonce' => wp_create_nonce('user-role-editor'),
'dialog_title'=> esc_html__('Grant roles to selected users', 'user-role-editor'),
'select_users_first' => esc_html__('Select users to which you wish to grant roles!', 'user-role-editor'),
'select_roles_first' => esc_html__('Select role(s) which you wish to grant!', 'user-role-editor'),
'show_wp_change_role' => $show_wp_change_role ? 1: 0
));
}
// end of load_js()
}
// end of URE_Grant_Roles class
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