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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 main.php
*
* @package PhpMyAdmin
*/
/**
* Gets some core libraries
*/
require_once './libraries/common.inc.php';
$GLOBALS['js_include'][] = 'server_privileges.js';
/**
* Displays an error message and exits if the user isn't allowed to use this
* script
*/
if (! $cfg['ShowChgPassword']) {
$cfg['ShowChgPassword'] = PMA_DBI_select_db('mysql');
}
if ($cfg['Server']['auth_type'] == 'config' || ! $cfg['ShowChgPassword']) {
include_once './libraries/header.inc.php';
PMA_Message::error(__('You don\'t have sufficient privileges to be here right now!'))->display();
include './libraries/footer.inc.php';
} // end if
/**
* If the "change password" form has been submitted, checks for valid values
* and submit the query or logout
*/
if (isset($_REQUEST['nopass'])) {
if ($_REQUEST['nopass'] == '1') {
$password = '';
} else {
$password = $_REQUEST['pma_pw'];
}
$change_password_message = PMA_setChangePasswordMsg();
$message = $change_password_message['msg'];
if (! $change_password_message['error']) {
PMA_changePassword($password, $message, $change_password_message);
} else {
PMA_getChangePassMessage($change_password_message);
}
}
/**
* If the "change password" form hasn't been submitted or the values submitted
* aren't valid -> displays the form
*/
// Loads the headers
require_once './libraries/header.inc.php';
// Displays an error message if required
if (isset($message)) {
$message->display();
}
require_once './libraries/display_change_password.lib.php';
/**
* Displays the footer
*/
require './libraries/footer.inc.php';
/**
* Send the message as an ajax request
*
* @param array $change_password_message
* @param string $sql_query
*
* @return void
*/
function PMA_getChangePassMessage($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
*/
if ($change_password_message['error']) {
PMA_ajaxResponse($change_password_message['msg'], false);
} else {
$extra_data['sql_query'] = PMA_showMessage($change_password_message['msg'], $sql_query, 'success');
PMA_ajaxResponse($change_password_message['msg'], true, $extra_data);
}
}
}
/**
* 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;
}
}
return array('error' => $error, 'msg' => $message);
}
/**
* Change the password
*
* @param string $password
* @param string $message
* @param array $change_password_message
*
* @return void
*/
function PMA_changePassword($password, $message, $change_password_message)
{
// Defines the url to return to in case of error in the sql statement
$_url_params = array();
$hashing_function = PMA_changePassHashingFunction();
$sql_query = 'SET password = ' . (($password == '') ? '\'\'' : $hashing_function . '(\'***\')');
PMA_ChangePassUrlParamsAndSubmitQuery($password, $_url_params, $sql_query, $hashing_function);
$new_url_params = PMA_changePassAuthType($_url_params, $password);
PMA_getChangePassMessage($change_password_message, $sql_query);
PMA_changePassDisplayPage($message, $sql_query, $new_url_params);
}
/**
* 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
* @param array $_url_params
* @param string $sql_query
* @param string $hashing_function
*
* @return void
*/
function PMA_ChangePassUrlParamsAndSubmitQuery($password, $_url_params, $sql_query, $hashing_function)
{
$err_url = 'user_password.php' . PMA_generate_common_url($_url_params);
$local_query = 'SET password = ' . (($password == '') ? '\'\'' : $hashing_function . '(\'' . PMA_sqlAddSlashes($password) . '\')');
$result = @PMA_DBI_try_query($local_query)
or PMA_mysqlDie(PMA_DBI_getError(), $sql_query, false, $err_url);
}
/**
* Change password authentication type
*
* @param array $_url_params
* @param string $password
*
* @return array $_url_params
*/
function PMA_changePassAuthType($_url_params, $password)
{
/**
* Changes password cookie if required
* Duration = till the browser is closed for password (we don't want this to be saved)
*/
if ($GLOBALS['cfg']['Server']['auth_type'] == 'cookie') {
$GLOBALS['PMA_Config']->setCookie('pmaPass-' . $server, PMA_blowfish_encrypt($password, $GLOBALS['cfg']['blowfish_secret']));
}
/**
* For http auth. mode, the "back" link will also enforce new
* authentication
*/
if ($GLOBALS['cfg']['Server']['auth_type'] == 'http') {
$_url_params['old_usr'] = 'relog';
}
return $_url_params;
}
/**
* Display the page
*
* @param string $message
* @param string $sql_query
* @param array $_url_params
*
* @return void
*/
function PMA_changePassDisplayPage($message, $sql_query, $_url_params)
{
include_once './libraries/header.inc.php';
echo '<h1>' . __('Change password') . '</h1>' . "\n\n";
PMA_showMessage($message, $sql_query, 'success');
echo '<a href="index.php'.PMA_generate_common_url($_url_params).' target="_parent">'. "\n"
.'<strong>'.__('Back').'</strong></a>';
include './libraries/footer.inc.php';
}
?>
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