Initial commit
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867
#pma/libraries/plugins/auth/AuthenticationCookie.php
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867
#pma/libraries/plugins/auth/AuthenticationCookie.php
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@ -0,0 +1,867 @@
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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 PMA\libraries\plugins\auth;
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use phpseclib\Crypt;
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use PMA\libraries\Message;
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use PMA\libraries\plugins\AuthenticationPlugin;
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use PMA\libraries\Response;
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use PMA\libraries\Util;
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use ReCaptcha\ReCaptcha;
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require_once './libraries/session.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'] = $_REQUEST['target'];
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} else if (PMA_getenv('SCRIPT_NAME')) {
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$GLOBALS['target'] = basename(PMA_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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* 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 auth()
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{
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global $conn_error;
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$response = Response::getInstance();
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if ($response->isAjax()) {
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$response->setRequestStatus(false);
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// redirect_flag redirects to the login page
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$response->addJSON('redirect_flag', '1');
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if (defined('TESTSUITE')) {
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return true;
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} else {
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exit;
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}
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}
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// No recall if blowfish secret is not configured as it would produce
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// garbage
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if ($GLOBALS['cfg']['LoginCookieRecall']
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&& ! empty($GLOBALS['cfg']['blowfish_secret'])
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) {
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$default_user = $GLOBALS['PHP_AUTH_USER'];
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$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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$autocomplete = ' autocomplete="off"';
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}
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$response->getFooter()->setMinimal();
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$header = $response->getHeader();
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$header->setBodyId('loginform');
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$header->setTitle('phpMyAdmin');
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$header->disableMenuAndConsole();
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$header->disableWarnings();
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if (@file_exists(CUSTOM_HEADER_FILE)) {
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include CUSTOM_HEADER_FILE;
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}
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echo '
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<div class="container">
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<a href="';
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echo PMA_linkURL('https://www.phpmyadmin.net/');
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echo '" target="_blank" rel="noopener noreferrer" class="logo">';
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$logo_image = $GLOBALS['pmaThemeImage'] . 'logo_right.png';
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if (@file_exists($logo_image)) {
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echo '<img src="' , $logo_image
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, '" id="imLogo" name="imLogo" alt="phpMyAdmin" border="0" />';
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} else {
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echo '<img name="imLogo" id="imLogo" src="'
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, $GLOBALS['pmaThemeImage'] , 'pma_logo.png' , '" '
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, 'border="0" width="88" height="31" alt="phpMyAdmin" />';
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}
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echo '</a>
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<h1>';
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echo sprintf(
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__('Welcome to %s'),
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'<bdo dir="ltr" lang="en">phpMyAdmin</bdo>'
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);
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echo "</h1>";
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// Show error message
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if (! empty($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($_GET['session_expired']) == 1
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) {
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Message::rawError(
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__('Your session has expired. Please log in again.')
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)->display();
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}
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echo "<noscript>\n";
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Message::error(
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__("Javascript must be enabled past this point!")
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)->display();
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echo "</noscript>\n";
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echo "<div class='hide js-show'>";
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// Displays the languages form
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if (empty($GLOBALS['cfg']['Lang'])) {
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include_once './libraries/display_select_lang.lib.php';
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// use fieldset, don't show doc link
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echo PMA_getLanguageSelectorHtml(true, false);
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}
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echo '</div>
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<br />
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<!-- Login form -->
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<form method="post" action="index.php" name="login_form"' , $autocomplete ,
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' class="disableAjax login hide js-show">
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<fieldset>
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<legend>';
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echo __('Log in');
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echo Util::showDocu('index');
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echo '</legend>';
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if ($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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include_once './libraries/select_server.lib.php';
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echo PMA_selectServer(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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, $GLOBALS['server'] , '" />';
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} // end if (server choice)
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// Add captcha input field if reCaptcha is enabled
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if (!empty($GLOBALS['cfg']['CaptchaLoginPrivateKey'])
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&& !empty($GLOBALS['cfg']['CaptchaLoginPublicKey'])
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) {
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// If enabled show captcha to the user on the login screen.
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echo '<script src="https://www.google.com/recaptcha/api.js?hl='
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, $GLOBALS['lang'] , '" async defer></script>';
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echo '<div class="g-recaptcha" data-sitekey="'
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, htmlspecialchars($GLOBALS['cfg']['CaptchaLoginPublicKey']) , '"></div>';
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}
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echo '</fieldset>
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<fieldset class="tblFooters">
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<input value="' , __('Go') , '" type="submit" id="input_go" />';
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$_form_params = array();
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if (! empty($GLOBALS['target'])) {
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$_form_params['target'] = $GLOBALS['target'];
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}
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if (! empty($GLOBALS['db'])) {
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$_form_params['db'] = $GLOBALS['db'];
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}
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if (! empty($GLOBALS['table'])) {
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$_form_params['table'] = $GLOBALS['table'];
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}
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// do not generate a "server" hidden field as we want the "server"
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// drop-down to have priority
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echo PMA_URL_getHiddenInputs($_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 '</div>';
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if (@file_exists(CUSTOM_FOOTER_FILE)) {
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include CUSTOM_FOOTER_FILE;
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}
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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 advanced authentication settings
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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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* auth() 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 authFails() 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 authCheck()
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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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$GLOBALS['PHP_AUTH_USER'] = $GLOBALS['PHP_AUTH_PW'] = '';
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$GLOBALS['from_cookie'] = false;
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if (! empty($_REQUEST['pma_username'])) {
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// Verify Captcha if it is required.
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if (! empty($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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include_once 'libraries/plugins/auth/recaptcha/autoload.php';
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$reCaptcha = new ReCaptcha(
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$GLOBALS['cfg']['CaptchaLoginPrivateKey']
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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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$_SERVER["REMOTE_ADDR"]
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);
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// Check if the captcha entered is valid, if not stop the login.
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if ($resp == null || ! $resp->isSuccess()) {
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$conn_error = __('Entered captcha is wrong, try again!');
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return false;
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}
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} else {
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$conn_error = __('Please enter correct captcha!');
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return false;
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}
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}
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// The user just logged in
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$GLOBALS['PHP_AUTH_USER'] = PMA_sanitizeMySQLUser($_REQUEST['pma_username']);
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$GLOBALS['PHP_AUTH_PW'] = empty($_REQUEST['pma_password'])
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? ''
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: $_REQUEST['pma_password'];
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if ($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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$GLOBALS['pma_auth_server'] = PMA_sanitizeMySQLHost($_REQUEST['pma_servername']);
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}
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PMA_secureSession();
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return true;
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}
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// At the end, try to set the $GLOBALS['PHP_AUTH_USER']
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// and $GLOBALS['PHP_AUTH_PW'] variables from cookies
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// check cookies
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if (empty($_COOKIE['pmaUser-' . $GLOBALS['server']])) {
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return false;
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}
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$GLOBALS['PHP_AUTH_USER'] = $this->cookieDecrypt(
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$_COOKIE['pmaUser-' . $GLOBALS['server']],
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$this->_getEncryptionSecret()
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);
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// user was never logged in since session start
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if (empty($_SESSION['last_access_time'])) {
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return false;
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}
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// User inactive too long
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$last_access_time = time() - $GLOBALS['cfg']['LoginCookieValidity'];
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if ($_SESSION['last_access_time'] < $last_access_time) {
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Util::cacheUnset('is_create_db_priv');
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Util::cacheUnset('is_reload_priv');
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Util::cacheUnset('db_to_create');
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Util::cacheUnset('dbs_where_create_table_allowed');
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Util::cacheUnset('dbs_to_test');
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Util::cacheUnset('db_priv');
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Util::cacheUnset('col_priv');
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Util::cacheUnset('table_priv');
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Util::cacheUnset('proc_priv');
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$GLOBALS['no_activity'] = true;
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$this->authFails();
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if (! defined('TESTSUITE')) {
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exit;
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} else {
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return false;
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}
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}
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// check password cookie
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if (empty($_COOKIE['pmaAuth-' . $GLOBALS['server']])) {
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return false;
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}
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$auth_data = json_decode(
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$this->cookieDecrypt(
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$_COOKIE['pmaAuth-' . $GLOBALS['server']],
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$this->_getSessionEncryptionSecret()
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),
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true
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);
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if (! is_array($auth_data) || ! isset($auth_data['password'])) {
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return false;
|
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}
|
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$GLOBALS['PHP_AUTH_PW'] = $auth_data['password'];
|
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if ($GLOBALS['cfg']['AllowArbitraryServer'] && ! empty($auth_data['server'])) {
|
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$GLOBALS['pma_auth_server'] = $auth_data['server'];
|
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}
|
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|
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$GLOBALS['from_cookie'] = true;
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return true;
|
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}
|
||||
|
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/**
|
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* Set the user and password after last checkings if required
|
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*
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* @return boolean always true
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*/
|
||||
public function authSetUser()
|
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{
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||||
global $cfg;
|
||||
|
||||
// Ensures valid authentication mode, 'only_db', bookmark database and
|
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// table names and relation table name are used
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if (! hash_equals($cfg['Server']['user'], $GLOBALS['PHP_AUTH_USER'])) {
|
||||
foreach ($cfg['Servers'] as $idx => $current) {
|
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if ($current['host'] == $cfg['Server']['host']
|
||||
&& $current['port'] == $cfg['Server']['port']
|
||||
&& $current['socket'] == $cfg['Server']['socket']
|
||||
&& $current['ssl'] == $cfg['Server']['ssl']
|
||||
&& $current['connect_type'] == $cfg['Server']['connect_type']
|
||||
&& hash_equals($current['user'], $GLOBALS['PHP_AUTH_USER'])
|
||||
) {
|
||||
$GLOBALS['server'] = $idx;
|
||||
$cfg['Server'] = $current;
|
||||
break;
|
||||
}
|
||||
} // end foreach
|
||||
} // end if
|
||||
|
||||
if ($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);
|
||||
}
|
||||
$cfg['Server']['user'] = $GLOBALS['PHP_AUTH_USER'];
|
||||
$cfg['Server']['password'] = $GLOBALS['PHP_AUTH_PW'];
|
||||
|
||||
// Avoid showing the password in phpinfo()'s output
|
||||
unset($GLOBALS['PHP_AUTH_PW']);
|
||||
unset($_SERVER['PHP_AUTH_PW']);
|
||||
$this->setSessionAccessTime();
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores user credentials after successful login.
|
||||
*
|
||||
* @return void|bool
|
||||
*/
|
||||
public function storeUserCredentials()
|
||||
{
|
||||
global $cfg;
|
||||
|
||||
// Name and password cookies need to be refreshed each time
|
||||
// Duration = one month for username
|
||||
$this->storeUsernameCookie($cfg['Server']['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'])) {
|
||||
$this->storePasswordCookie($cfg['Server']['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?
|
||||
$url_params = array();
|
||||
if (mb_strlen($GLOBALS['db'])) {
|
||||
$url_params['db'] = $GLOBALS['db'];
|
||||
}
|
||||
if (mb_strlen($GLOBALS['table'])) {
|
||||
$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();
|
||||
|
||||
PMA_sendHeaderLocation(
|
||||
$redirect_url . PMA_URL_getCommon($url_params, 'text'),
|
||||
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 auth() which display the error
|
||||
* and the login form
|
||||
*
|
||||
* this function MUST exit/quit the application,
|
||||
* currently done by call to auth()
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function authFails()
|
||||
{
|
||||
global $conn_error;
|
||||
|
||||
// Deletes password cookie and displays the login form
|
||||
$GLOBALS['PMA_Config']->removeCookie('pmaAuth-' . $GLOBALS['server']);
|
||||
|
||||
$conn_error = $this->getErrorMessage();
|
||||
|
||||
$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');
|
||||
|
||||
$this->auth();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns blowfish secret or generates one if needed.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
private function _getEncryptionSecret()
|
||||
{
|
||||
if (empty($GLOBALS['cfg']['blowfish_secret'])) {
|
||||
return $this->_getSessionEncryptionSecret();
|
||||
} else {
|
||||
return $GLOBALS['cfg']['blowfish_secret'];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns blowfish secret or generates one if needed.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
private function _getSessionEncryptionSecret()
|
||||
{
|
||||
if (empty($_SESSION['encryption_key'])) {
|
||||
if (self::useOpenSSL()) {
|
||||
$_SESSION['encryption_key'] = openssl_random_pseudo_bytes(32);
|
||||
} else {
|
||||
$_SESSION['encryption_key'] = Crypt\Random::string(32);
|
||||
}
|
||||
}
|
||||
return $_SESSION['encryption_key'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks whether we should use openssl for encryption.
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public static function useOpenSSL()
|
||||
{
|
||||
return (
|
||||
function_exists('openssl_encrypt')
|
||||
&& function_exists('openssl_decrypt')
|
||||
&& function_exists('openssl_random_pseudo_bytes')
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 (self::useOpenSSL()) {
|
||||
$result = openssl_encrypt(
|
||||
$data,
|
||||
'AES-128-CBC',
|
||||
$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));
|
||||
}
|
||||
$iv = base64_encode($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 $secret the secret
|
||||
*
|
||||
* @return string|bool original data, false on error
|
||||
*/
|
||||
public function cookieDecrypt($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 (self::useOpenSSL()) {
|
||||
return openssl_decrypt(
|
||||
$data['payload'],
|
||||
'AES-128-CBC',
|
||||
$secret,
|
||||
0,
|
||||
base64_decode($data['iv'])
|
||||
);
|
||||
} else {
|
||||
$cipher = new Crypt\AES(Crypt\Base::MODE_CBC);
|
||||
$cipher->setIV(base64_decode($data['iv']));
|
||||
$cipher->setKey($aes_secret);
|
||||
return $cipher->decrypt(base64_decode($data['payload']));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns size of IV for encryption.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getIVSize()
|
||||
{
|
||||
if (self::useOpenSSL()) {
|
||||
return openssl_cipher_iv_length('AES-128-CBC');
|
||||
}
|
||||
$cipher = new Crypt\AES(Crypt\Base::MODE_CBC);
|
||||
return $cipher->block_size;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialization
|
||||
* Store the initialization vector because it will be needed for
|
||||
* further decryption. I don't think necessary to have one iv
|
||||
* per server so I don't put the server number in the cookie name.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function createIV()
|
||||
{
|
||||
/* Testsuite shortcut only to allow predictable IV */
|
||||
if (! is_null($this->_cookie_iv)) {
|
||||
return $this->_cookie_iv;
|
||||
}
|
||||
if (self::useOpenSSL()) {
|
||||
return openssl_random_pseudo_bytes(
|
||||
$this->getIVSize()
|
||||
);
|
||||
} else {
|
||||
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()
|
||||
{
|
||||
// -> delete password cookie(s)
|
||||
if ($GLOBALS['cfg']['LoginCookieDeleteAll']) {
|
||||
foreach ($GLOBALS['cfg']['Servers'] as $key => $val) {
|
||||
$GLOBALS['PMA_Config']->removeCookie('pmaAuth-' . $key);
|
||||
if (isset($_COOKIE['pmaAuth-' . $key])) {
|
||||
unset($_COOKIE['pmaAuth-' . $key]);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
$GLOBALS['PMA_Config']->removeCookie(
|
||||
'pmaAuth-' . $GLOBALS['server']
|
||||
);
|
||||
if (isset($_COOKIE['pmaAuth-' . $GLOBALS['server']])) {
|
||||
unset($_COOKIE['pmaAuth-' . $GLOBALS['server']]);
|
||||
}
|
||||
}
|
||||
parent::logOut();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user