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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* displays and handles the form where the user can change his password
* linked from index.php
*
* @package PhpMyAdmin
*/
/**
* Gets some core libraries
*/
require_once './libraries/common.inc.php';
$response = PMA_Response::getInstance();
$header = $response->getHeader();
$scripts = $header->getScripts();
$scripts->addFile('server_privileges.js');
/**
* Displays an error message and exits if the user isn't allowed to use this
* script
*/
if (! $GLOBALS['cfg']['ShowChgPassword']) {
$GLOBALS['cfg']['ShowChgPassword'] = $GLOBALS['dbi']->selectDb('mysql');
}
if ($cfg['Server']['auth_type'] == 'config' || ! $cfg['ShowChgPassword']) {
PMA_Message::error(
__('You don\'t have sufficient privileges to be here right now!')
)->display();
exit;
} // end if
/**
* If the "change password" form has been submitted, checks for valid values
* and submit the query or logout
*/
if (isset($_REQUEST['nopass'])) {
if ($_REQUEST['nopass'] == '1') {
$password = '';
} else {
$password = $_REQUEST['pma_pw'];
}
$change_password_message = PMA_setChangePasswordMsg();
$msg = $change_password_message['msg'];
if (! $change_password_message['error']) {
PMA_changePassword($password, $msg, $change_password_message);
} else {
PMA_getChangePassMessage($change_password_message);
}
}
/**
* If the "change password" form hasn't been submitted or the values submitted
* aren't valid -> displays the form
*/
// Displays an error message if required
if (isset($msg)) {
$msg->display();
unset($msg);
}
require_once './libraries/display_change_password.lib.php';
echo PMA_getHtmlForChangePassword($username, $hostname);
exit;
/**
* Send the message as an ajax request
*
* @param array $change_password_message Message to display
* @param string $sql_query SQL query executed
*
* @return void
*/
function PMA_getChangePassMessage($change_password_message, $sql_query = '')
{
if ($GLOBALS['is_ajax_request'] == true) {
/**
* If in an Ajax request, we don't need to show the rest of the page
*/
$response = PMA_Response::getInstance();
if ($change_password_message['error']) {
$response->addJSON('message', $change_password_message['msg']);
$response->isSuccess(false);
} else {
$sql_query = PMA_Util::getMessage(
$change_password_message['msg'],
$sql_query,
'success'
);
$response->addJSON('message', $sql_query);
}
exit;
}
}
/**
* Generate the message
*
* @return array error value and message
*/
function PMA_setChangePasswordMsg()
{
$error = false;
$message = PMA_Message::success(__('The profile has been updated.'));
if (($_REQUEST['nopass'] != '1')) {
if (empty($_REQUEST['pma_pw']) || empty($_REQUEST['pma_pw2'])) {
$message = PMA_Message::error(__('The password is empty!'));
$error = true;
} elseif ($_REQUEST['pma_pw'] != $_REQUEST['pma_pw2']) {
$message = PMA_Message::error(__('The passwords aren\'t the same!'));
$error = true;
} elseif (strlen($_REQUEST['pma_pw']) > 256) {
$message = PMA_Message::error(__('Password is too long!'));
$error = true;
}
}
return array('error' => $error, 'msg' => $message);
}
/**
* Change the password
*
* @param string $password New password
* @param string $message Message
* @param array $change_password_message Message to show
*
* @return void
*/
function PMA_changePassword($password, $message, $change_password_message)
{
global $auth_plugin;
$hashing_function = PMA_changePassHashingFunction();
$sql_query = 'SET password = '
. (($password == '') ? '\'\'' : $hashing_function . '(\'***\')');
PMA_changePassUrlParamsAndSubmitQuery(
$password, $sql_query, $hashing_function
);
$auth_plugin->handlePasswordChange($password);
PMA_getChangePassMessage($change_password_message, $sql_query);
PMA_changePassDisplayPage($message, $sql_query);
}
/**
* Generate the hashing function
*
* @return string $hashing_function
*/
function PMA_changePassHashingFunction()
{
if (PMA_isValid($_REQUEST['pw_hash'], 'identical', 'old')) {
$hashing_function = 'OLD_PASSWORD';
} else {
$hashing_function = 'PASSWORD';
}
return $hashing_function;
}
/**
* Generate the error url and submit the query
*
* @param string $password Password
* @param string $sql_query SQL query
* @param string $hashing_function Hashing function
*
* @return void
*/
function PMA_changePassUrlParamsAndSubmitQuery(
$password, $sql_query, $hashing_function
) {
$err_url = 'user_password.php' . PMA_URL_getCommon();
$local_query = 'SET password = ' . (($password == '')
? '\'\''
: $hashing_function . '(\'' . PMA_Util::sqlAddSlashes($password) . '\')');
if (! @$GLOBALS['dbi']->tryQuery($local_query)) {
PMA_Util::mysqlDie($GLOBALS['dbi']->getError(), $sql_query, false, $err_url);
}
}
/**
* Display the page
*
* @param string $message Message
* @param string $sql_query SQL query
*
* @return void
*/
function PMA_changePassDisplayPage($message, $sql_query)
{
echo '<h1>' . __('Change password') . '</h1>' . "\n\n";
echo PMA_Util::getMessage(
$message, $sql_query, 'success'
);
echo '<a href="index.php' . PMA_URL_getCommon()
. ' target="_parent">' . "\n"
. '<strong>' . __('Back') . '</strong></a>';
exit;
}
?>