ttrss/plugins/auth_internal/init.php

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<?php
class Auth_Internal extends Auth_Base {
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function about() {
return array(null,
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"Authenticates against internal tt-rss database",
"fox",
true);
}
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function init($host) {
$host->add_hook($host::HOOK_AUTH_USER, $this);
}
/** @param string $service */
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function authenticate($login, $password, $service = '') {
$otp = (int) ($_REQUEST["otp"] ?? 0);
// don't bother with null/null logins for auth_external etc
if ($login && get_schema_version() > 96) {
$user_id = UserHelper::find_user_by_login($login);
if ($user_id && UserHelper::is_otp_enabled($user_id)) {
// only allow app passwords for service logins if OTP is enabled
if ($service && get_schema_version() > 138) {
return $this->check_app_password($login, $password, $service);
}
if ($otp) {
if ($this->check_password($user_id, $password) && UserHelper::check_otp($user_id, $otp))
return $user_id;
else
return false;
} else {
$return = urlencode($_REQUEST["return"]);
?>
<!DOCTYPE html>
<html>
<head>
<title>Tiny Tiny RSS</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<?php foreach (["lib/dojo/dojo.js",
"lib/dojo/tt-rss-layer.js",
"js/common.js",
"js/utility.js"] as $jsfile) {
echo javascript_tag($jsfile);
} ?>
<style type="text/css">
@media (prefers-color-scheme: dark) {
body {
background : #303030;
}
}
body.css_loading * {
display : none;
}
</style>
<script type="text/javascript">
require({cache:{}});
const UtilityApp = {
init: function() {
require(['dojo/parser', "dojo/ready", 'dijit/form/Button', 'dijit/form/Form',
'dijit/form/TextBox','dijit/form/ValidationTextBox'],function(parser, ready){
ready(function() {
parser.parse();
dijit.byId("otp").focus();
});
});
},
};
</script>
</head>
<body class="flat ttrss_utility otp css_loading">
<h1><?= __("Authentication") ?></h1>
<div class="content">
<form dojoType="dijit.form.Form" action="public.php?return=<?= urlencode(with_trailing_slash($return)) ?>" method="post" class="otpform">
<?php foreach (["login", "password", "bw_limit", "safe_mode", "remember_me", "profile"] as $key) {
print \Controls\hidden_tag($key, $_POST[$key] ?? "");
} ?>
<?= \Controls\hidden_tag("op", "login") ?>
<fieldset>
<label><?= __("Please enter verification code (OTP):") ?></label>
<input id="otp" dojoType="dijit.form.ValidationTextBox" required="1" autocomplete="off" size="6" name="otp" value=""/>
<?= \Controls\submit_tag(__("Continue")) ?>
</fieldset>
</form>
</div>
</body>
</html>
<?php
exit;
}
}
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}
// service logins: check app passwords first but allow regular password
// as a fallback if OTP is not enabled
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if ($service && get_schema_version() > 138) {
$user_id = $this->check_app_password($login, $password, $service);
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if ($user_id)
return $user_id;
}
if ($login) {
$user = ORM::for_table('ttrss_users')
->where('login', $login)
->find_one();
if ($user) {
if (get_schema_version() >= 145) {
if ($user->last_auth_attempt) {
$last_auth_attempt = strtotime($user->last_auth_attempt);
if ($last_auth_attempt && time() - $last_auth_attempt < Config::get(Config::AUTH_MIN_INTERVAL)) {
Logger::log(E_USER_NOTICE, "Too many authentication attempts for {$user->login}, throttled.");
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// start an empty session to deliver login error message
if (session_status() != PHP_SESSION_ACTIVE)
session_start();
$_SESSION["login_error_msg"] = __("Too many authentication attempts, throttled.");
$user->last_auth_attempt = Db::NOW();
$user->save();
return false;
}
}
}
$auth_result = $this->check_password($user->id, $password);
if ($auth_result) {
return $auth_result;
} else {
if (get_schema_version() >= 145) {
$user->last_auth_attempt = Db::NOW();
$user->save();
}
}
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}
}
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return false;
}
/**
* @param int $owner_uid
* @param string $password
* @param string $service
* @return int|false (false if failed, user id otherwise)
* @throws PDOException
* @throws Exception
*/
function check_password(int $owner_uid, string $password, string $service = '') {
$user = ORM::for_table('ttrss_users')->find_one($owner_uid);
if ($user) {
$salt = $user['salt'] ?? "";
$login = $user['login'];
$pwd_hash = $user['pwd_hash'];
list ($pwd_algo, $raw_hash) = explode(":", $pwd_hash, 2);
// check app password only if service is specified
if ($service && get_schema_version() > 138) {
return $this->check_app_password($login, $password, $service);
}
$test_hash = UserHelper::hash_password($password, $salt, $pwd_algo);
if (hash_equals($pwd_hash, $test_hash)) {
if ($pwd_algo != UserHelper::HASH_ALGOS[0]) {
Logger::log(E_USER_NOTICE, "Upgrading password of user $login to " . UserHelper::HASH_ALGOS[0]);
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$new_hash = UserHelper::hash_password($password, $salt, UserHelper::HASH_ALGOS[0]);
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if ($new_hash) {
$usth = $this->pdo->prepare("UPDATE ttrss_users SET pwd_hash = ? WHERE id = ?");
$usth->execute([$new_hash, $owner_uid]);
}
}
return $owner_uid;
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}
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}
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return false;
}
function change_password(int $owner_uid, string $old_password, string $new_password) : string {
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if ($this->check_password($owner_uid, $old_password)) {
$new_salt = UserHelper::get_salt();
$new_password_hash = UserHelper::hash_password($new_password, $new_salt, UserHelper::HASH_ALGOS[0]);
$user = ORM::for_table('ttrss_users')->find_one($owner_uid);
$user->salt = $new_salt;
$user->pwd_hash = $new_password_hash;
$user->save();
if ($_SESSION["uid"] ?? 0 == $owner_uid)
$_SESSION["pwd_hash"] = $new_password_hash;
if ($user->email) {
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$mailer = new Mailer();
$tpl = new Templator();
$tpl->readTemplateFromFile("password_change_template.txt");
$tpl->setVariable('LOGIN', $user->login);
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$tpl->setVariable('TTRSS_HOST', Config::get(Config::SELF_URL_PATH));
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$tpl->addBlock('message');
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$tpl->generateOutputToString($message);
$mailer->mail(["to_name" => $user->login,
"to_address" => $user->email,
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"subject" => "[tt-rss] Password change notification",
"message" => $message]);
}
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return __("Password has been changed.");
} else {
return "ERROR: ".__('Old password is incorrect.');
}
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}
/**
* @param string $login
* @param string $password
* @param string $service
* @return false|int (false if failed, user id otherwise)
* @throws PDOException
* @throws Exception
*/
private function check_app_password(string $login, string $password, string $service) {
$sth = $this->pdo->prepare("SELECT p.id, p.pwd_hash, u.id AS uid
FROM ttrss_app_passwords p, ttrss_users u
WHERE p.owner_uid = u.id AND LOWER(u.login) = LOWER(?) AND service = ?");
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$sth->execute([$login, $service]);
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while ($row = $sth->fetch()) {
list ($pwd_algo, $raw_hash, $salt) = explode(":", $row["pwd_hash"]);
$test_hash = UserHelper::hash_password($password, $salt, $pwd_algo);
if (hash_equals("$pwd_algo:$raw_hash", $test_hash)) {
$pass = ORM::for_table('ttrss_app_passwords')->find_one($row["id"]);
$pass->last_used = Db::NOW();
if ($pwd_algo != UserHelper::HASH_ALGOS[0]) {
// upgrade password to current algo
Logger::log(E_USER_NOTICE, "Upgrading app password of user $login to " . UserHelper::HASH_ALGOS[0]);
$new_hash = UserHelper::hash_password($password, $salt);
if ($new_hash) {
$pass->pwd_hash = "$new_hash:$salt";
}
}
$pass->save();
return $row['uid'];
}
}
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return false;
}
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function api_version() {
return 2;
}
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}