// public $running_on_localhost
// A boolean telling if the system is running on localhost (where https is not required).
//
+ // public $client_reg_email_whitelist
+ // An array of emails that are whitelisted for registering clients.
+ //
// private $pwd_cost
// The cost parameter for use with PHP password_hash function.
//
// function initSession()
// Initialize a session. Returns an associative array of all the DB fields of the session.
//
+ // function getDomainBaseURL()
+ // Get the base URL of the current domain, e.g. 'https://example.com'.
+ //
// function checkPasswordConstraints($new_password, $user_email)
// Check password constraints and return an array of error messages (empty if all constraints are met).
//
// function createVerificationCode()
// Return a random acount/email verification code.
//
+ // function createClientSecret()
+ // Return a random client secret.
+ //
// function createTimeCode($session, [$offset], [$validity_minutes])
// Return a time-based code based on the key and ID of the given session.
// An offset can be given to create a specific code for verification, otherwise and offset will be generated.
//
// function pwdNeedsRehash($user)
// Return true if the pwdhash field of the user uses an outdated standard and needs to be rehashed.
+ //
+ // function appendLoginForm($dom_element, $session, $user)
+ // append a login form for the given session to the given DOM element, possibly prefilling the email from the given user info array.
function __construct($settings, $db) {
// *** constructor ***
$this->db = $db;
$this->db->exec("SET time_zone='+00:00';"); // Execute directly on PDO object, set session to UTC to make our gmdate() values match correctly.
+ // For debugging, potentially add |robert\.box\.kairo\.at to that regex temporarily.
$this->running_on_localhost = preg_match('/^((.+\.)?localhost|127\.0\.0\.\d+)$/', $_SERVER['SERVER_NAME']);
if (array_key_exists('pwd_cost', $settings)) {
$this->pwd_cost = $settings['pwd_cost'];
public $db = null;
public $running_on_localhost = false;
+ public $client_reg_email_whitelist = array('kairo@kairo.at', 'com@kairo.at');
private $pwd_cost = 10;
private $pwd_nonces = array();
return $errors;
}
+ function sendSecurityHeaders() {
+ // Send various headers that we want to have for security resons, mostly as recommended by https://observatory.mozilla.org/
+
+ // CSP - see https://wiki.mozilla.org/Security/Guidelines/Web_Security#Content_Security_Policy
+ // Disable unsafe inline/eval, only allow loading of resources (images, fonts, scripts, etc.) from ourselves; also disable framing.
+ header('Content-Security-Policy: default-src \'none\';img-src \'self\'; script-src \'self\'; style-src \'self\'; frame-ancestors \'none\'');
+
+ // X-Content-Type-Options - see https://wiki.mozilla.org/Security/Guidelines/Web_Security#X-Content-Type-Options
+ // Prevent browsers from incorrectly detecting non-scripts as scripts
+ header('X-Content-Type-Options: nosniff');
+
+ // X-Frame-Options (for older browsers) - see https://wiki.mozilla.org/Security/Guidelines/Web_Security#X-Frame-Options
+ // Block site from being framed
+ header('X-Frame-Options: DENY');
+
+ // X-XSS-Protection (for older browsers) - see https://wiki.mozilla.org/Security/Guidelines/Web_Security#X-XSS-Protection
+ // Block pages from loading when they detect reflected XSS attacks
+ header('X-XSS-Protection: 1; mode=block');
+ }
+
function initSession() {
$session = null;
if (strlen(@$_COOKIE['sessionkey'])) {
return $session;
}
+ function getDomainBaseURL() {
+ return ($this->running_on_localhost?'http':'https').'://'.$_SERVER['SERVER_NAME'];
+ }
+
function checkPasswordConstraints($new_password, $user_email) {
$errors = array();
if ($new_password != trim($new_password)) {
return bin2hex(openssl_random_pseudo_bytes(512 / 8)); // Get 512 bits of randomness (128 byte hex string).
}
+ function createClientSecret() {
+ return bin2hex(openssl_random_pseudo_bytes(160 / 8)); // Get 160 bits of randomness (40 byte hex string).
+ }
+
function createTimeCode($session, $offset = null, $validity_minutes = 10) {
// Matches TOTP algorithms, see https://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm
$valid_seconds = intval($validity_minutes) * 60;
return true;
}
}
+
+ function appendLoginForm($dom_element, $session, $user) {
+ $form = $dom_element->appendForm('./', 'POST', 'loginform');
+ $form->setAttribute('id', 'loginform');
+ $form->setAttribute('class', 'loginarea hidden');
+ $ulist = $form->appendElement('ul');
+ $ulist->setAttribute('class', 'flat login');
+ $litem = $ulist->appendElement('li');
+ $inptxt = $litem->appendInputEmail('email', 30, 20, 'login_email', (intval(@$user['id'])?$user['email']:''));
+ $inptxt->setAttribute('autocomplete', 'email');
+ $inptxt->setAttribute('required', '');
+ $inptxt->setAttribute('placeholder', _('Email'));
+ $inptxt->setAttribute('class', 'login');
+ $litem = $ulist->appendElement('li');
+ $inptxt = $litem->appendInputPassword('pwd', 20, 20, 'login_pwd', '');
+ $inptxt->setAttribute('required', '');
+ $inptxt->setAttribute('placeholder', _('Password'));
+ $inptxt->setAttribute('class', 'login');
+ $litem = $ulist->appendElement('li');
+ $litem->appendLink('./?reset', _('Forgot password?'));
+ $litem = $ulist->appendElement('li');
+ $cbox = $litem->appendInputCheckbox('remember', 'login_remember', 'true', false);
+ $cbox->setAttribute('class', 'logincheck');
+ $label = $litem->appendLabel('login_remember', _('Remember me'));
+ $label->setAttribute('id', 'rememprompt');
+ $label->setAttribute('class', 'loginprompt');
+ $litem = $ulist->appendElement('li');
+ $litem->appendInputHidden('tcode', $this->createTimeCode($session));
+ $submit = $litem->appendInputSubmit(_('Log in / Register'));
+ $submit->setAttribute('class', 'loginbutton');
+ }
}
?>
projects / authserver.git / blobdiff