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894
phpMyAdmin/libraries/classes/Plugins/Auth/AuthenticationCookie.php
Executable file
894
phpMyAdmin/libraries/classes/Plugins/Auth/AuthenticationCookie.php
Executable file
@@ -0,0 +1,894 @@
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Cookie Authentication plugin for phpMyAdmin
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*
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* @package PhpMyAdmin-Authentication
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* @subpackage Cookie
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*/
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namespace PhpMyAdmin\Plugins\Auth;
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use PhpMyAdmin\Config;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\LanguageManager;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Plugins\AuthenticationPlugin;
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use PhpMyAdmin\Response;
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use PhpMyAdmin\Server\Select;
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use PhpMyAdmin\Session;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Util;
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use PhpMyAdmin\Url;
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use phpseclib\Crypt;
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use ReCaptcha;
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require_once './libraries/hash.lib.php';
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/**
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* Remember where to redirect the user
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* in case of an expired session.
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*/
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if (! empty($_REQUEST['target'])) {
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$GLOBALS['target'] = $_REQUEST['target'];
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} elseif (Core::getenv('SCRIPT_NAME')) {
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$GLOBALS['target'] = basename(Core::getenv('SCRIPT_NAME'));
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}
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/**
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* Handles the cookie authentication method
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*
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* @package PhpMyAdmin-Authentication
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*/
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class AuthenticationCookie extends AuthenticationPlugin
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{
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/**
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* IV for encryption
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*/
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private $_cookie_iv = null;
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/**
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* Whether to use OpenSSL directly
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*/
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private $_use_openssl;
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/**
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* Constructor
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*/
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public function __construct()
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{
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$this->_use_openssl = ! class_exists('phpseclib\Crypt\Random');
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}
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/**
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* Forces (not)using of openSSL
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*
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* @param boolean $use The flag
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*
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* @return void
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*/
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public function setUseOpenSSL($use)
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{
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$this->_use_openssl = $use;
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}
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/**
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* Displays authentication form
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*
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* this function MUST exit/quit the application
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*
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* @global string $conn_error the last connection error
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*
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* @return boolean|void
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*/
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public function showLoginForm()
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{
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global $conn_error;
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$response = Response::getInstance();
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if ($response->loginPage()) {
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if (defined('TESTSUITE')) {
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return true;
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} else {
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exit;
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}
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}
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// No recall if blowfish secret is not configured as it would produce
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// garbage
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if ($GLOBALS['cfg']['LoginCookieRecall']
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&& ! empty($GLOBALS['cfg']['blowfish_secret'])
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) {
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$default_user = $this->user;
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$default_server = $GLOBALS['pma_auth_server'];
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$autocomplete = '';
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} else {
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$default_user = '';
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$default_server = '';
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// skip the IE autocomplete feature.
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$autocomplete = ' autocomplete="off"';
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}
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echo Template::get('login/header')->render(['theme' => $GLOBALS['PMA_Theme']]);
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if ($GLOBALS['cfg']['DBG']['demo']) {
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echo '<fieldset>';
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echo '<legend>' , __('phpMyAdmin Demo Server') , '</legend>';
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printf(
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__(
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'You are using the demo server. You can do anything here, but '
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. 'please do not change root, debian-sys-maint and pma users. '
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. 'More information is available at %s.'
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),
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'<a href="url.php?url=https://demo.phpmyadmin.net/" target="_blank" rel="noopener noreferrer">demo.phpmyadmin.net</a>'
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);
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echo '</fieldset>';
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}
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// Show error message
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if (! empty($conn_error)) {
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Message::rawError($conn_error)->display();
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} elseif (isset($_GET['session_expired'])
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&& intval($_GET['session_expired']) == 1
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) {
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Message::rawError(
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__('Your session has expired. Please log in again.')
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)->display();
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}
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// Displays the languages form
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$language_manager = LanguageManager::getInstance();
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if (empty($GLOBALS['cfg']['Lang']) && $language_manager->hasChoice()) {
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echo "<div class='hide js-show'>";
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// use fieldset, don't show doc link
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echo $language_manager->getSelectorDisplay(true, false);
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echo '</div>';
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}
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echo '
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<br />
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<!-- Login form -->
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<form method="post" id="login_form" action="index.php" name="login_form"' , $autocomplete ,
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' class="disableAjax login hide js-show">
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<fieldset>
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<legend>';
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echo '<input type="hidden" name="set_session" value="', htmlspecialchars(session_id()), '" />';
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echo __('Log in');
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echo Util::showDocu('index');
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echo '</legend>';
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if ($GLOBALS['cfg']['AllowArbitraryServer']) {
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echo '
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<div class="item">
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<label for="input_servername" title="';
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echo __(
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'You can enter hostname/IP address and port separated by space.'
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);
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echo '">';
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echo __('Server:');
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echo '</label>
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<input type="text" name="pma_servername" id="input_servername"';
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echo ' value="';
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echo htmlspecialchars($default_server);
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echo '" size="24" class="textfield" title="';
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echo __(
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'You can enter hostname/IP address and port separated by space.'
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); echo '" />
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</div>';
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}
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echo '<div class="item">
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<label for="input_username">' , __('Username:') , '</label>
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<input type="text" name="pma_username" id="input_username" '
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, 'value="' , htmlspecialchars($default_user) , '" size="24"'
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, ' class="textfield"/>
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</div>
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<div class="item">
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<label for="input_password">' , __('Password:') , '</label>
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<input type="password" name="pma_password" id="input_password"'
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, ' value="" size="24" class="textfield" />
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</div>';
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if (count($GLOBALS['cfg']['Servers']) > 1) {
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echo '<div class="item">
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<label for="select_server">' . __('Server Choice:') . '</label>
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<select name="server" id="select_server"';
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if ($GLOBALS['cfg']['AllowArbitraryServer']) {
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echo ' onchange="document.forms[\'login_form\'].'
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, 'elements[\'pma_servername\'].value = \'\'" ';
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}
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echo '>';
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echo Select::render(false, false);
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echo '</select></div>';
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} else {
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echo ' <input type="hidden" name="server" value="'
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, $GLOBALS['server'] , '" />';
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} // end if (server choice)
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echo '</fieldset><fieldset class="tblFooters">';
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// binds input field with invisible reCaptcha if enabled
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if (empty($GLOBALS['cfg']['CaptchaLoginPrivateKey'])
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&& empty($GLOBALS['cfg']['CaptchaLoginPublicKey'])
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) {
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echo '<input value="' , __('Go') , '" type="submit" id="input_go" />';
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}
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else {
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echo '<script src="https://www.google.com/recaptcha/api.js?hl='
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, $GLOBALS['lang'] , '" async defer></script>';
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echo '<input class="g-recaptcha" data-sitekey="'
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, htmlspecialchars($GLOBALS['cfg']['CaptchaLoginPublicKey']),'"'
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.' data-callback="recaptchaCallback" value="' , __('Go') , '" type="submit" id="input_go" />';
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}
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$_form_params = array();
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if (! empty($GLOBALS['target'])) {
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$_form_params['target'] = $GLOBALS['target'];
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}
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if (strlen($GLOBALS['db'])) {
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$_form_params['db'] = $GLOBALS['db'];
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}
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if (strlen($GLOBALS['table'])) {
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$_form_params['table'] = $GLOBALS['table'];
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}
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// do not generate a "server" hidden field as we want the "server"
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// drop-down to have priority
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echo Url::getHiddenInputs($_form_params, '', 0, 'server');
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echo '</fieldset>
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</form>';
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if ($GLOBALS['error_handler']->hasDisplayErrors()) {
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echo '<div id="pma_errors">';
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$GLOBALS['error_handler']->dispErrors();
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echo '</div>';
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}
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echo Template::get('login/footer')->render();
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echo Config::renderFooter();
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if (! defined('TESTSUITE')) {
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exit;
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} else {
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return true;
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}
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}
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/**
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* Gets authentication credentials
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*
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* this function DOES NOT check authentication - it just checks/provides
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* authentication credentials required to connect to the MySQL server
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* usually with $GLOBALS['dbi']->connect()
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*
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* it returns false if something is missing - which usually leads to
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* showLoginForm() which displays login form
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*
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* it returns true if all seems ok which usually leads to auth_set_user()
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*
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* it directly switches to showFailure() if user inactivity timeout is reached
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*
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* @return boolean whether we get authentication settings or not
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*/
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public function readCredentials()
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{
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global $conn_error;
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// Initialization
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/**
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* @global $GLOBALS['pma_auth_server'] the user provided server to
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* connect to
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*/
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$GLOBALS['pma_auth_server'] = '';
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$this->user = $this->password = '';
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$GLOBALS['from_cookie'] = false;
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if (isset($_POST['pma_username']) && strlen($_POST['pma_username']) > 0) {
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// Verify Captcha if it is required.
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if (! empty($GLOBALS['cfg']['CaptchaLoginPrivateKey'])
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&& ! empty($GLOBALS['cfg']['CaptchaLoginPublicKey'])
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) {
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if (! empty($_POST["g-recaptcha-response"])) {
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if (function_exists('curl_init')) {
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$reCaptcha = new ReCaptcha\ReCaptcha(
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$GLOBALS['cfg']['CaptchaLoginPrivateKey'],
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new ReCaptcha\RequestMethod\CurlPost()
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);
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} elseif (ini_get('allow_url_fopen')) {
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$reCaptcha = new ReCaptcha\ReCaptcha(
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$GLOBALS['cfg']['CaptchaLoginPrivateKey'],
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new ReCaptcha\RequestMethod\Post()
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);
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} else {
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$reCaptcha = new ReCaptcha\ReCaptcha(
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$GLOBALS['cfg']['CaptchaLoginPrivateKey'],
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new ReCaptcha\RequestMethod\SocketPost()
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);
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}
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// verify captcha status.
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$resp = $reCaptcha->verify(
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$_POST["g-recaptcha-response"],
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Core::getIp()
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);
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// Check if the captcha entered is valid, if not stop the login.
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if ($resp == null || ! $resp->isSuccess()) {
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$codes = $resp->getErrorCodes();
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if (in_array('invalid-json', $codes)) {
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$conn_error = __('Failed to connect to the reCAPTCHA service!');
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} else {
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$conn_error = __('Entered captcha is wrong, try again!');
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}
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return false;
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}
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} else {
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$conn_error = __('Missing reCAPTCHA verification, maybe it has been blocked by adblock?');
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return false;
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}
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}
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// The user just logged in
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$this->user = Core::sanitizeMySQLUser($_POST['pma_username']);
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$this->password = isset($_POST['pma_password']) ? $_POST['pma_password'] : '';
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if ($GLOBALS['cfg']['AllowArbitraryServer']
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&& isset($_REQUEST['pma_servername'])
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) {
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if ($GLOBALS['cfg']['ArbitraryServerRegexp']) {
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$parts = explode(' ', $_REQUEST['pma_servername']);
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if (count($parts) == 2) {
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$tmp_host = $parts[0];
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} else {
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$tmp_host = $_REQUEST['pma_servername'];
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}
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$match = preg_match(
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$GLOBALS['cfg']['ArbitraryServerRegexp'], $tmp_host
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);
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if (! $match) {
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$conn_error = __(
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'You are not allowed to log in to this MySQL server!'
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||||
);
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return false;
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||||
}
|
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}
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$GLOBALS['pma_auth_server'] = Core::sanitizeMySQLHost($_REQUEST['pma_servername']);
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}
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/* Secure current session on login to avoid session fixation */
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Session::secure();
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return true;
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}
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||||
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||||
// At the end, try to set the $this->user
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// and $this->password variables from cookies
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||||
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||||
// check cookies
|
||||
$serverCookie = $GLOBALS['PMA_Config']->getCookie('pmaUser-' . $GLOBALS['server']);
|
||||
if (empty($serverCookie)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$value = $this->cookieDecrypt(
|
||||
$serverCookie,
|
||||
$this->_getEncryptionSecret()
|
||||
);
|
||||
|
||||
if ($value === false) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$this->user = $value;
|
||||
// user was never logged in since session start
|
||||
if (empty($_SESSION['browser_access_time'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// User inactive too long
|
||||
$last_access_time = time() - $GLOBALS['cfg']['LoginCookieValidity'];
|
||||
foreach ($_SESSION['browser_access_time'] as $key => $value) {
|
||||
if ($value < $last_access_time) {
|
||||
unset($_SESSION['browser_access_time'][$key]);
|
||||
}
|
||||
}
|
||||
// All sessions expired
|
||||
if (empty($_SESSION['browser_access_time'])) {
|
||||
Util::cacheUnset('is_create_db_priv');
|
||||
Util::cacheUnset('is_reload_priv');
|
||||
Util::cacheUnset('db_to_create');
|
||||
Util::cacheUnset('dbs_where_create_table_allowed');
|
||||
Util::cacheUnset('dbs_to_test');
|
||||
Util::cacheUnset('db_priv');
|
||||
Util::cacheUnset('col_priv');
|
||||
Util::cacheUnset('table_priv');
|
||||
Util::cacheUnset('proc_priv');
|
||||
|
||||
$this->showFailure('no-activity');
|
||||
if (! defined('TESTSUITE')) {
|
||||
exit;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// check password cookie
|
||||
$serverCookie = $GLOBALS['PMA_Config']->getCookie('pmaAuth-' . $GLOBALS['server']);
|
||||
|
||||
if (empty($serverCookie)) {
|
||||
return false;
|
||||
}
|
||||
$value = $this->cookieDecrypt(
|
||||
$serverCookie,
|
||||
$this->_getSessionEncryptionSecret()
|
||||
);
|
||||
if ($value === false) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$auth_data = json_decode($value, true);
|
||||
|
||||
if (! is_array($auth_data) || ! isset($auth_data['password'])) {
|
||||
return false;
|
||||
}
|
||||
$this->password = $auth_data['password'];
|
||||
if ($GLOBALS['cfg']['AllowArbitraryServer'] && ! empty($auth_data['server'])) {
|
||||
$GLOBALS['pma_auth_server'] = $auth_data['server'];
|
||||
}
|
||||
|
||||
$GLOBALS['from_cookie'] = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the user and password after last checkings if required
|
||||
*
|
||||
* @return boolean always true
|
||||
*/
|
||||
public function storeCredentials()
|
||||
{
|
||||
global $cfg;
|
||||
|
||||
if ($GLOBALS['cfg']['AllowArbitraryServer']
|
||||
&& ! empty($GLOBALS['pma_auth_server'])
|
||||
) {
|
||||
/* Allow to specify 'host port' */
|
||||
$parts = explode(' ', $GLOBALS['pma_auth_server']);
|
||||
if (count($parts) == 2) {
|
||||
$tmp_host = $parts[0];
|
||||
$tmp_port = $parts[1];
|
||||
} else {
|
||||
$tmp_host = $GLOBALS['pma_auth_server'];
|
||||
$tmp_port = '';
|
||||
}
|
||||
if ($cfg['Server']['host'] != $GLOBALS['pma_auth_server']) {
|
||||
$cfg['Server']['host'] = $tmp_host;
|
||||
if (! empty($tmp_port)) {
|
||||
$cfg['Server']['port'] = $tmp_port;
|
||||
}
|
||||
}
|
||||
unset($tmp_host, $tmp_port, $parts);
|
||||
}
|
||||
|
||||
return parent::storeCredentials();
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores user credentials after successful login.
|
||||
*
|
||||
* @return void|bool
|
||||
*/
|
||||
public function rememberCredentials()
|
||||
{
|
||||
// Name and password cookies need to be refreshed each time
|
||||
// Duration = one month for username
|
||||
$this->storeUsernameCookie($this->user);
|
||||
|
||||
// Duration = as configured
|
||||
// Do not store password cookie on password change as we will
|
||||
// set the cookie again after password has been changed
|
||||
if (! isset($_POST['change_pw'])) {
|
||||
$this->storePasswordCookie($this->password);
|
||||
}
|
||||
|
||||
// Set server cookies if required (once per session) and, in this case,
|
||||
// force reload to ensure the client accepts cookies
|
||||
if (! $GLOBALS['from_cookie']) {
|
||||
// URL where to go:
|
||||
$redirect_url = './index.php';
|
||||
|
||||
// any parameters to pass?
|
||||
$url_params = array();
|
||||
if (strlen($GLOBALS['db']) > 0) {
|
||||
$url_params['db'] = $GLOBALS['db'];
|
||||
}
|
||||
if (strlen($GLOBALS['table']) > 0) {
|
||||
$url_params['table'] = $GLOBALS['table'];
|
||||
}
|
||||
// any target to pass?
|
||||
if (! empty($GLOBALS['target'])
|
||||
&& $GLOBALS['target'] != 'index.php'
|
||||
) {
|
||||
$url_params['target'] = $GLOBALS['target'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear user cache.
|
||||
*/
|
||||
Util::clearUserCache();
|
||||
|
||||
Response::getInstance()
|
||||
->disable();
|
||||
|
||||
Core::sendHeaderLocation(
|
||||
$redirect_url . Url::getCommonRaw($url_params),
|
||||
true
|
||||
);
|
||||
if (! defined('TESTSUITE')) {
|
||||
exit;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} // end if
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores username in a cookie.
|
||||
*
|
||||
* @param string $username User name
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function storeUsernameCookie($username)
|
||||
{
|
||||
// Name and password cookies need to be refreshed each time
|
||||
// Duration = one month for username
|
||||
$GLOBALS['PMA_Config']->setCookie(
|
||||
'pmaUser-' . $GLOBALS['server'],
|
||||
$this->cookieEncrypt(
|
||||
$username,
|
||||
$this->_getEncryptionSecret()
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores password in a cookie.
|
||||
*
|
||||
* @param string $password Password
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function storePasswordCookie($password)
|
||||
{
|
||||
$payload = array('password' => $password);
|
||||
if ($GLOBALS['cfg']['AllowArbitraryServer'] && ! empty($GLOBALS['pma_auth_server'])) {
|
||||
$payload['server'] = $GLOBALS['pma_auth_server'];
|
||||
}
|
||||
// Duration = as configured
|
||||
$GLOBALS['PMA_Config']->setCookie(
|
||||
'pmaAuth-' . $GLOBALS['server'],
|
||||
$this->cookieEncrypt(
|
||||
json_encode($payload),
|
||||
$this->_getSessionEncryptionSecret()
|
||||
),
|
||||
null,
|
||||
$GLOBALS['cfg']['LoginCookieStore']
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* User is not allowed to login to MySQL -> authentication failed
|
||||
*
|
||||
* prepares error message and switches to showLoginForm() which display the error
|
||||
* and the login form
|
||||
*
|
||||
* this function MUST exit/quit the application,
|
||||
* currently done by call to showLoginForm()
|
||||
*
|
||||
* @param string $failure String describing why authentication has failed
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function showFailure($failure)
|
||||
{
|
||||
global $conn_error;
|
||||
|
||||
parent::showFailure($failure);
|
||||
|
||||
// Deletes password cookie and displays the login form
|
||||
$GLOBALS['PMA_Config']->removeCookie('pmaAuth-' . $GLOBALS['server']);
|
||||
|
||||
$conn_error = $this->getErrorMessage($failure);
|
||||
|
||||
$response = Response::getInstance();
|
||||
|
||||
// needed for PHP-CGI (not need for FastCGI or mod-php)
|
||||
$response->header('Cache-Control: no-store, no-cache, must-revalidate');
|
||||
$response->header('Pragma: no-cache');
|
||||
|
||||
$this->showLoginForm();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns blowfish secret or generates one if needed.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
private function _getEncryptionSecret()
|
||||
{
|
||||
if (empty($GLOBALS['cfg']['blowfish_secret'])) {
|
||||
return $this->_getSessionEncryptionSecret();
|
||||
}
|
||||
|
||||
return $GLOBALS['cfg']['blowfish_secret'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns blowfish secret or generates one if needed.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
private function _getSessionEncryptionSecret()
|
||||
{
|
||||
if (empty($_SESSION['encryption_key'])) {
|
||||
if ($this->_use_openssl) {
|
||||
$_SESSION['encryption_key'] = openssl_random_pseudo_bytes(32);
|
||||
} else {
|
||||
$_SESSION['encryption_key'] = Crypt\Random::string(32);
|
||||
}
|
||||
}
|
||||
return $_SESSION['encryption_key'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Concatenates secret in order to make it 16 bytes log
|
||||
*
|
||||
* This doesn't add any security, just ensures the secret
|
||||
* is long enough by copying it.
|
||||
*
|
||||
* @param string $secret Original secret
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function enlargeSecret($secret)
|
||||
{
|
||||
while (strlen($secret) < 16) {
|
||||
$secret .= $secret;
|
||||
}
|
||||
return substr($secret, 0, 16);
|
||||
}
|
||||
|
||||
/**
|
||||
* Derives MAC secret from encryption secret.
|
||||
*
|
||||
* @param string $secret the secret
|
||||
*
|
||||
* @return string the MAC secret
|
||||
*/
|
||||
public function getMACSecret($secret)
|
||||
{
|
||||
// Grab first part, up to 16 chars
|
||||
// The MAC and AES secrets can overlap if original secret is short
|
||||
$length = strlen($secret);
|
||||
if ($length > 16) {
|
||||
return substr($secret, 0, 16);
|
||||
}
|
||||
return $this->enlargeSecret(
|
||||
$length == 1 ? $secret : substr($secret, 0, -1)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Derives AES secret from encryption secret.
|
||||
*
|
||||
* @param string $secret the secret
|
||||
*
|
||||
* @return string the AES secret
|
||||
*/
|
||||
public function getAESSecret($secret)
|
||||
{
|
||||
// Grab second part, up to 16 chars
|
||||
// The MAC and AES secrets can overlap if original secret is short
|
||||
$length = strlen($secret);
|
||||
if ($length > 16) {
|
||||
return substr($secret, -16);
|
||||
}
|
||||
return $this->enlargeSecret(
|
||||
$length == 1 ? $secret : substr($secret, 1)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Cleans any SSL errors
|
||||
*
|
||||
* This can happen from corrupted cookies, by invalid encryption
|
||||
* parameters used in older phpMyAdmin versions or by wrong openSSL
|
||||
* configuration.
|
||||
*
|
||||
* In neither case the error is useful to user, but we need to clear
|
||||
* the error buffer as otherwise the errors would pop up later, for
|
||||
* example during MySQL SSL setup.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function cleanSSLErrors()
|
||||
{
|
||||
if (function_exists('openssl_error_string')) {
|
||||
while (($ssl_err = openssl_error_string()) !== false) {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Encryption using openssl's AES or phpseclib's AES
|
||||
* (phpseclib uses mcrypt when it is available)
|
||||
*
|
||||
* @param string $data original data
|
||||
* @param string $secret the secret
|
||||
*
|
||||
* @return string the encrypted result
|
||||
*/
|
||||
public function cookieEncrypt($data, $secret)
|
||||
{
|
||||
$mac_secret = $this->getMACSecret($secret);
|
||||
$aes_secret = $this->getAESSecret($secret);
|
||||
$iv = $this->createIV();
|
||||
if ($this->_use_openssl) {
|
||||
$result = openssl_encrypt(
|
||||
$data,
|
||||
'AES-128-CBC',
|
||||
$aes_secret,
|
||||
0,
|
||||
$iv
|
||||
);
|
||||
} else {
|
||||
$cipher = new Crypt\AES(Crypt\Base::MODE_CBC);
|
||||
$cipher->setIV($iv);
|
||||
$cipher->setKey($aes_secret);
|
||||
$result = base64_encode($cipher->encrypt($data));
|
||||
}
|
||||
$this->cleanSSLErrors();
|
||||
$iv = base64_encode($iv);
|
||||
return json_encode(
|
||||
array(
|
||||
'iv' => $iv,
|
||||
'mac' => hash_hmac('sha1', $iv . $result, $mac_secret),
|
||||
'payload' => $result,
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Decryption using openssl's AES or phpseclib's AES
|
||||
* (phpseclib uses mcrypt when it is available)
|
||||
*
|
||||
* @param string $encdata encrypted data
|
||||
* @param string $secret the secret
|
||||
*
|
||||
* @return string|false original data, false on error
|
||||
*/
|
||||
public function cookieDecrypt($encdata, $secret)
|
||||
{
|
||||
$data = json_decode($encdata, true);
|
||||
|
||||
if (! is_array($data) || ! isset($data['mac']) || ! isset($data['iv']) || ! isset($data['payload'])
|
||||
|| ! is_string($data['mac']) || ! is_string($data['iv']) || ! is_string($data['payload'])
|
||||
) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$mac_secret = $this->getMACSecret($secret);
|
||||
$aes_secret = $this->getAESSecret($secret);
|
||||
$newmac = hash_hmac('sha1', $data['iv'] . $data['payload'], $mac_secret);
|
||||
|
||||
if (! hash_equals($data['mac'], $newmac)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if ($this->_use_openssl) {
|
||||
$result = openssl_decrypt(
|
||||
$data['payload'],
|
||||
'AES-128-CBC',
|
||||
$aes_secret,
|
||||
0,
|
||||
base64_decode($data['iv'])
|
||||
);
|
||||
} else {
|
||||
$cipher = new Crypt\AES(Crypt\Base::MODE_CBC);
|
||||
$cipher->setIV(base64_decode($data['iv']));
|
||||
$cipher->setKey($aes_secret);
|
||||
$result = $cipher->decrypt(base64_decode($data['payload']));
|
||||
}
|
||||
$this->cleanSSLErrors();
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns size of IV for encryption.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getIVSize()
|
||||
{
|
||||
if ($this->_use_openssl) {
|
||||
return openssl_cipher_iv_length('AES-128-CBC');
|
||||
}
|
||||
$cipher = new Crypt\AES(Crypt\Base::MODE_CBC);
|
||||
return $cipher->block_size;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialization
|
||||
* Store the initialization vector because it will be needed for
|
||||
* further decryption. I don't think necessary to have one iv
|
||||
* per server so I don't put the server number in the cookie name.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function createIV()
|
||||
{
|
||||
/* Testsuite shortcut only to allow predictable IV */
|
||||
if (! is_null($this->_cookie_iv)) {
|
||||
return $this->_cookie_iv;
|
||||
}
|
||||
if ($this->_use_openssl) {
|
||||
return openssl_random_pseudo_bytes(
|
||||
$this->getIVSize()
|
||||
);
|
||||
}
|
||||
|
||||
return Crypt\Random::string(
|
||||
$this->getIVSize()
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets encryption IV to use
|
||||
*
|
||||
* This is for testing only!
|
||||
*
|
||||
* @param string $vector The IV
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function setIV($vector)
|
||||
{
|
||||
$this->_cookie_iv = $vector;
|
||||
}
|
||||
|
||||
/**
|
||||
* Callback when user changes password.
|
||||
*
|
||||
* @param string $password New password to set
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function handlePasswordChange($password)
|
||||
{
|
||||
$this->storePasswordCookie($password);
|
||||
}
|
||||
|
||||
/**
|
||||
* Perform logout
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function logOut()
|
||||
{
|
||||
/** @var Config $PMA_Config */
|
||||
global $PMA_Config;
|
||||
|
||||
// -> delete password cookie(s)
|
||||
if ($GLOBALS['cfg']['LoginCookieDeleteAll']) {
|
||||
foreach ($GLOBALS['cfg']['Servers'] as $key => $val) {
|
||||
$PMA_Config->removeCookie('pmaAuth-' . $key);
|
||||
if ($PMA_Config->issetCookie('pmaAuth-' . $key)) {
|
||||
$PMA_Config->removeCookie('pmaAuth-' . $key);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
$cookieName = 'pmaAuth-' . $GLOBALS['server'];
|
||||
$PMA_Config->removeCookie($cookieName);
|
||||
if ($PMA_Config->issetCookie($cookieName)) {
|
||||
$PMA_Config->removeCookie($cookieName);
|
||||
}
|
||||
}
|
||||
parent::logOut();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user