getCookiePath(),
'', $GLOBALS['PMA_Config']->isHttps(), true
);
// cookies are safer (use @ini_set() in case this function is disabled)
@ini_set('session.use_cookies', 'true');
// optionally set session_save_path
$path = $GLOBALS['PMA_Config']->get('SessionSavePath');
if (!empty($path)) {
session_save_path($path);
}
// but not all user allow cookies
@ini_set('session.use_only_cookies', 'false');
// do not force transparent session ids, see bug #3398788
//@ini_set('session.use_trans_sid', 'true');
@ini_set(
'url_rewriter.tags',
'a=href,frame=src,input=src,form=fakeentry,fieldset='
);
//ini_set('arg_separator.output', '&');
// delete session/cookies when browser is closed
@ini_set('session.cookie_lifetime', '0');
// warn but don't work with bug
@ini_set('session.bug_compat_42', 'false');
@ini_set('session.bug_compat_warn', 'true');
// use more secure session ids
@ini_set('session.hash_function', '1');
// some pages (e.g. stylesheet) may be cached on clients, but not in shared
// proxy servers
session_cache_limiter('private');
// start the session
// on some servers (for example, sourceforge.net), we get a permission error
// on the session data directory, so I add some "@"
function PMA_sessionFailed($errors)
{
$messages = array();
foreach ($errors as $error) {
$messages[] = $error->getMessage();
}
/*
* Session initialization is done before selecting language, so we
* can not use translations here.
*/
PMA_fatalError(
'Error during session start; please check your PHP and/or '
. 'webserver log file and configure your PHP '
. 'installation properly. Also ensure that cookies are enabled '
. 'in your browser.'
. '
'
. implode('
', $messages)
);
}
// See bug #1538132. This would block normal behavior on a cluster
//ini_set('session.save_handler', 'files');
$session_name = 'phpMyAdmin';
@session_name($session_name);
// on first start of session we check for errors
// f.e. session dir cannot be accessed - session file not created
$orig_error_count = $GLOBALS['error_handler']->countErrors(false);
$session_result = session_start();
if ($session_result !== true
|| $orig_error_count != $GLOBALS['error_handler']->countErrors(false)
) {
setcookie($session_name, '', 1);
$errors = $GLOBALS['error_handler']->sliceErrors($orig_error_count);
PMA_sessionFailed($errors);
}
unset($orig_error_count, $session_result);
/**
* Disable setting of session cookies for further session_start() calls.
*/
@ini_set('session.use_cookies', 'true');
/**
* Token which is used for authenticating access queries.
* (we use "space PMA_token space" to prevent overwriting)
*/
if (! isset($_SESSION[' PMA_token '])) {
if (! function_exists('openssl_random_pseudo_bytes')) {
$_SESSION[' PMA_token '] = bin2hex(phpseclib\Crypt\Random::string(16));
} else {
$_SESSION[' PMA_token '] = bin2hex(openssl_random_pseudo_bytes(16));
}
/**
* Check for disk space on session storage by trying to write it.
*
* This seems to be most reliable approach to test if sessions are working,
* otherwise the check would fail with custom session backends.
*/
$orig_error_count = $GLOBALS['error_handler']->countErrors();
session_write_close();
if ($GLOBALS['error_handler']->countErrors() > $orig_error_count) {
$errors = $GLOBALS['error_handler']->sliceErrors($orig_error_count);
PMA_sessionFailed($errors);
}
session_start();
}
/**
* Check if token is properly generated (both above functions can return false).
*/
if (empty($_SESSION[' PMA_token '])) {
PMA_fatalError(
'Failed to generate random CSRF token!'
);
}
require_once 'libraries/session.lib.php';