CasperSecurity
<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers\Server;
use PhpMyAdmin\CheckUserPrivileges;
use PhpMyAdmin\Controllers\AbstractController;
use PhpMyAdmin\Controllers\Database\PrivilegesController as DatabaseController;
use PhpMyAdmin\Controllers\Table\PrivilegesController as TableController;
use PhpMyAdmin\Core;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Message;
use PhpMyAdmin\Relation;
use PhpMyAdmin\RelationCleanup;
use PhpMyAdmin\Response;
use PhpMyAdmin\Server\Privileges;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function header;
use function implode;
use function is_array;
use function ob_get_clean;
use function ob_start;
use function str_replace;
use function urlencode;
/**
* Server privileges and users manipulations.
*/
class PrivilegesController extends AbstractController
{
/** @var Relation */
private $relation;
/** @var DatabaseInterface */
private $dbi;
/**
* @param Response $response
* @param DatabaseInterface $dbi
*/
public function __construct($response, Template $template, Relation $relation, $dbi)
{
parent::__construct($response, $template);
$this->relation = $relation;
$this->dbi = $dbi;
}
public function index(): void
{
global $db, $table, $err_url, $message, $text_dir, $post_patterns, $PMA_Theme;
global $username, $hostname, $dbname, $tablename, $routinename, $db_and_table, $dbname_is_wildcard;
global $queries, $password, $ret_message, $ret_queries, $queries_for_display, $sql_query, $_add_user_error;
global $itemType, $tables, $num_tables, $total_num_tables, $sub_part;
global $tooltip_truename, $tooltip_aliasname, $pos, $title, $export, $grants, $one_grant, $url_dbname;
$checkUserPrivileges = new CheckUserPrivileges($this->dbi);
$checkUserPrivileges->getPrivileges();
$cfgRelation = $this->relation->getRelationsParam();
$this->addScriptFiles(['server/privileges.js']);
$relationCleanup = new RelationCleanup($this->dbi, $this->relation);
$serverPrivileges = new Privileges($this->template, $this->dbi, $this->relation, $relationCleanup);
$databaseController = new DatabaseController(
$this->response,
$this->template,
$db,
$serverPrivileges,
$this->dbi
);
$tableController = new TableController(
$this->response,
$this->template,
$db,
$table,
$serverPrivileges,
$this->dbi
);
if ((isset($_GET['viewing_mode'])
&& $_GET['viewing_mode'] === 'server')
&& $GLOBALS['cfgRelation']['menuswork']
) {
$this->response->addHTML('<div class="container-fluid">');
$this->render('server/privileges/subnav', [
'active' => 'privileges',
'is_super_user' => $this->dbi->isSuperUser(),
]);
}
/**
* Sets globals from $_POST patterns, for privileges and max_* vars
*/
$post_patterns = [
'/_priv$/i',
'/^max_/i',
];
Core::setPostAsGlobal($post_patterns);
$err_url = Url::getFromRoute('/');
if ($this->dbi->isSuperUser()) {
$this->dbi->selectDb('mysql');
}
$_add_user_error = false;
/**
* Get DB information: username, hostname, dbname,
* tablename, db_and_table, dbname_is_wildcard
*/
[
$username,
$hostname,
$dbname,
$tablename,
$routinename,
$db_and_table,
$dbname_is_wildcard,
] = $serverPrivileges->getDataForDBInfo();
/**
* Checks if the user is allowed to do what they try to...
*/
$isGrantUser = $this->dbi->isGrantUser();
$isCreateUser = $this->dbi->isCreateUser();
if (! $this->dbi->isSuperUser() && ! $isGrantUser && ! $isCreateUser) {
$this->render('server/sub_page_header', [
'type' => 'privileges',
'is_image' => false,
]);
$this->response->addHTML(
Message::error(__('No Privileges'))
->getDisplay()
);
return;
}
if (! $isGrantUser && ! $isCreateUser) {
$this->response->addHTML(Message::notice(
__('You do not have the privileges to administrate the users!')
)->getDisplay());
}
/**
* Checks if the user is using "Change Login Information / Copy User" dialog
* only to update the password
*/
if (isset($_POST['change_copy']) && $username == $_POST['old_username']
&& $hostname == $_POST['old_hostname']
) {
$this->response->addHTML(
Message::error(
__(
"Username and hostname didn't change. "
. 'If you only want to change the password, '
. "'Change password' tab should be used."
)
)->getDisplay()
);
$this->response->setRequestStatus(false);
return;
}
/**
* Changes / copies a user, part I
*/
[$queries, $password] = $serverPrivileges->getDataForChangeOrCopyUser();
/**
* Adds a user
* (Changes / copies a user, part II)
*/
[
$ret_message,
$ret_queries,
$queries_for_display,
$sql_query,
$_add_user_error,
] = $serverPrivileges->addUser(
$dbname ?? null,
$username ?? null,
$hostname ?? null,
$password ?? null,
(bool) $cfgRelation['menuswork']
);
//update the old variables
if (isset($ret_queries)) {
$queries = $ret_queries;
unset($ret_queries);
}
if (isset($ret_message)) {
$message = $ret_message;
unset($ret_message);
}
/**
* Changes / copies a user, part III
*/
if (isset($_POST['change_copy'])) {
$queries = $serverPrivileges->getDbSpecificPrivsQueriesForChangeOrCopyUser(
$queries,
$username,
$hostname
);
}
$itemType = '';
if (! empty($routinename)) {
$itemType = $serverPrivileges->getRoutineType($dbname, $routinename);
}
/**
* Updates privileges
*/
if (! empty($_POST['update_privs'])) {
if (is_array($dbname)) {
foreach ($dbname as $key => $db_name) {
[$sql_query[$key], $message] = $serverPrivileges->updatePrivileges(
($username ?? ''),
($hostname ?? ''),
($tablename ?? ($routinename ?? '')),
($db_name ?? ''),
$itemType
);
}
$sql_query = implode("\n", $sql_query);
} else {
[$sql_query, $message] = $serverPrivileges->updatePrivileges(
($username ?? ''),
($hostname ?? ''),
($tablename ?? ($routinename ?? '')),
($dbname ?? ''),
$itemType
);
}
}
/**
* Assign users to user groups
*/
if (! empty($_POST['changeUserGroup']) && $cfgRelation['menuswork']
&& $this->dbi->isSuperUser() && $this->dbi->isCreateUser()
) {
$serverPrivileges->setUserGroup($username, $_POST['userGroup']);
$message = Message::success();
}
/**
* Revokes Privileges
*/
if (isset($_POST['revokeall'])) {
[$message, $sql_query] = $serverPrivileges->getMessageAndSqlQueryForPrivilegesRevoke(
($dbname ?? ''),
($tablename ?? ($routinename ?? '')),
$username,
$hostname,
$itemType
);
}
/**
* Updates the password
*/
if (isset($_POST['change_pw'])) {
$message = $serverPrivileges->updatePassword(
$err_url,
$username,
$hostname
);
}
/**
* Deletes users
* (Changes / copies a user, part IV)
*/
if (isset($_POST['delete'])
|| (isset($_POST['change_copy']) && $_POST['mode'] < 4)
) {
$queries = $serverPrivileges->getDataForDeleteUsers($queries);
if (empty($_POST['change_copy'])) {
[$sql_query, $message] = $serverPrivileges->deleteUser($queries);
}
}
/**
* Changes / copies a user, part V
*/
if (isset($_POST['change_copy'])) {
$queries = $serverPrivileges->getDataForQueries($queries, $queries_for_display);
$message = Message::success();
$sql_query = implode("\n", $queries);
}
/**
* Reloads the privilege tables into memory
*/
$message_ret = $serverPrivileges->updateMessageForReload();
if ($message_ret !== null) {
$message = $message_ret;
unset($message_ret);
}
/**
* If we are in an Ajax request for Create User/Edit User/Revoke User/
* Flush Privileges, show $message and return.
*/
if ($this->response->isAjax()
&& empty($_REQUEST['ajax_page_request'])
&& ! isset($_GET['export'])
&& (! isset($_POST['submit_mult']) || $_POST['submit_mult'] !== 'export')
&& ((! isset($_GET['initial']) || $_GET['initial'] === null
|| $_GET['initial'] === '')
|| (isset($_POST['delete']) && $_POST['delete'] === __('Go')))
&& ! isset($_GET['showall'])
&& ! isset($_GET['edit_user_group_dialog'])
) {
$extra_data = $serverPrivileges->getExtraDataForAjaxBehavior(
($password ?? ''),
($sql_query ?? ''),
($hostname ?? ''),
($username ?? '')
);
if (! empty($message) && $message instanceof Message) {
$this->response->setRequestStatus($message->isSuccess());
$this->response->addJSON('message', $message);
$this->response->addJSON($extra_data);
return;
}
}
/**
* Displays the links
*/
if (isset($_GET['viewing_mode']) && $_GET['viewing_mode'] === 'db') {
$db = $_REQUEST['db'] = $_GET['checkprivsdb'];
// Gets the database structure
$sub_part = '_structure';
ob_start();
[
$tables,
$num_tables,
$total_num_tables,
$sub_part,,,
$tooltip_truename,
$tooltip_aliasname,
$pos,
] = Util::getDbInfo($db, $sub_part ?? '');
$content = ob_get_clean();
$this->response->addHTML($content . "\n");
} elseif (! empty($GLOBALS['message'])) {
$this->response->addHTML(Generator::getMessage($GLOBALS['message']));
unset($GLOBALS['message']);
}
if (! empty($_GET['edit_user_group_dialog']) && $cfgRelation['menuswork']) {
$dialog = $serverPrivileges->getHtmlToChooseUserGroup($username ?? null);
if ($this->response->isAjax()) {
$this->response->addJSON('message', $dialog);
return;
}
$this->response->addHTML($dialog);
}
// export user definition
if (isset($_GET['export'])
|| (isset($_POST['submit_mult']) && $_POST['submit_mult'] === 'export')
) {
[$title, $export] = $serverPrivileges->getListForExportUserDefinition(
$username ?? '',
$hostname ?? ''
);
unset($username, $hostname, $grants, $one_grant);
if ($this->response->isAjax()) {
$this->response->addJSON('message', $export);
$this->response->addJSON('title', $title);
return;
}
$this->response->addHTML('<h2>' . $title . '</h2>' . $export);
}
// Show back the form if an error occurred
if (isset($_GET['adduser']) || $_add_user_error === true) {
// Add user
$this->response->addHTML(
$serverPrivileges->getHtmlForAddUser(($dbname ?? ''))
);
} elseif (isset($_GET['checkprivsdb'])) {
if (isset($_GET['checkprivstable'])) {
$this->response->addHTML($tableController->index([
'checkprivsdb' => $_GET['checkprivsdb'],
'checkprivstable' => $_GET['checkprivstable'],
]));
} elseif ($this->response->isAjax() === true && empty($_REQUEST['ajax_page_request'])) {
$message = Message::success(__('User has been added.'));
$this->response->addJSON('message', $message);
return;
} else {
$this->response->addHTML($databaseController->index([
'checkprivsdb' => $_GET['checkprivsdb'],
]));
}
} else {
if (isset($dbname) && ! is_array($dbname)) {
$url_dbname = urlencode(
str_replace(
[
'\_',
'\%',
],
[
'_',
'%',
],
$dbname
)
);
}
if (! isset($username)) {
// No username is given --> display the overview
$this->response->addHTML(
$serverPrivileges->getHtmlForUserOverview($PMA_Theme->getImgPath(), $text_dir)
);
} elseif (! empty($routinename)) {
$this->response->addHTML(
$serverPrivileges->getHtmlForRoutineSpecificPrivileges(
$username,
$hostname ?? '',
$dbname,
$routinename,
$url_dbname ?? ''
)
);
} else {
// A user was selected -> display the user's properties
// In an Ajax request, prevent cached values from showing
if ($this->response->isAjax()) {
header('Cache-Control: no-cache');
}
$this->response->addHTML(
$serverPrivileges->getHtmlForUserProperties(
$dbname_is_wildcard,
$url_dbname ?? '',
$username,
$hostname ?? '',
$dbname ?? '',
$tablename ?? ''
)
);
}
}
if ((! isset($_GET['viewing_mode']) || $_GET['viewing_mode'] !== 'server')
|| ! $cfgRelation['menuswork']
) {
return;
}
$this->response->addHTML('</div>');
}
}