<?php
class Auth_Internal extends Plugin implements IAuthModule {
private $host;
function about() {
return array(1.0,
"Authenticates against internal tt-rss database",
"fox",
true);
}
function init($host) {
$this->host = $host;
$host->add_hook($host::HOOK_AUTH_USER, $this);
}
function authenticate($login, $password) {
$pwd_hash1 = encrypt_password($password);
$pwd_hash2 = encrypt_password($password, $login);
$login = db_escape_string($login);
$otp = db_escape_string($_REQUEST["otp"]);
if (get_schema_version() > 96) {
if (!defined('AUTH_DISABLE_OTP') || !AUTH_DISABLE_OTP) {
$result = db_query("SELECT otp_enabled,salt FROM ttrss_users WHERE
login = '$login'");
if (db_num_rows($result) > 0) {
require_once "lib/otphp/vendor/base32.php";
require_once "lib/otphp/lib/otp.php";
require_once "lib/otphp/lib/totp.php";
$base32 = new Base32();
$otp_enabled = sql_bool_to_bool(db_fetch_result($result, 0, "otp_enabled"));
$secret = $base32->encode(sha1(db_fetch_result($result, 0, "salt")));
$topt = new \OTPHP\TOTP($secret);
$otp_check = $topt->now();
if ($otp_enabled) {
if ($otp) {
if ($otp != $otp_check) {
return false;
}
} else {
$return = urlencode($_REQUEST["return"]);
?><html>
<head><title>Tiny Tiny RSS</title></head>
<?php echo stylesheet_tag("css/utility.css") ?>
<body class="otp"><div class="content">
<form action="public.php?return=<?php echo $return ?>"
method="POST" class="otpform">
<input type="hidden" name="op" value="login">
<input type="hidden" name="login" value="<?php echo htmlspecialchars($login) ?>">
<input type="hidden" name="password" value="<?php echo htmlspecialchars($password) ?>">
<input type="hidden" name="bw_limit" value="<?php echo htmlspecialchars($_POST["bw_limit"]) ?>">
<input type="hidden" name="remember_me" value="<?php echo htmlspecialchars($_POST["remember_me"]) ?>">
<input type="hidden" name="profile" value="<?php echo htmlspecialchars($_POST["profile"]) ?>">
<label><?php echo __("Please enter your one time password:") ?></label>
<input autocomplete="off" size="6" name="otp" value=""/>
<input type="submit" value="Continue"/>
</form></div>
<script type="text/javascript">
document.forms[0].otp.focus();
</script>
<?php
exit;
}
}
}
}
}
if (get_schema_version() > 87) {
$result = db_query("SELECT salt FROM ttrss_users WHERE
login = '$login'");
if (db_num_rows($result) != 1) {
return false;
}
$salt = db_fetch_result($result, 0, "salt");
if ($salt == "") {
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND (pwd_hash = '$pwd_hash1' OR
pwd_hash = '$pwd_hash2')";
// verify and upgrade password to new salt base
$result = db_query($query);
if (db_num_rows($result) == 1) {
// upgrade password to MODE2
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
db_query("UPDATE ttrss_users SET
pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND pwd_hash = '$pwd_hash'";
} else {
return false;
}
} else {
$pwd_hash = encrypt_password($password, $salt, true);
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND pwd_hash = '$pwd_hash'";
}
} else {
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND (pwd_hash = '$pwd_hash1' OR
pwd_hash = '$pwd_hash2')";
}
$result = db_query($query);
if (db_num_rows($result) == 1) {
return db_fetch_result($result, 0, "id");
}
return false;
}
function check_password($owner_uid, $password) {
$owner_uid = db_escape_string($owner_uid);
$result = db_query("SELECT salt,login FROM ttrss_users WHERE
id = '$owner_uid'");
$salt = db_fetch_result($result, 0, "salt");
$login = db_fetch_result($result, 0, "login");
if (!$salt) {
$password_hash1 = encrypt_password($password);
$password_hash2 = encrypt_password($password, $login);
$query = "SELECT id FROM ttrss_users WHERE
id = '$owner_uid' AND (pwd_hash = '$password_hash1' OR
pwd_hash = '$password_hash2')";
} else {
$password_hash = encrypt_password($password, $salt, true);
$query = "SELECT id FROM ttrss_users WHERE
id = '$owner_uid' AND pwd_hash = '$password_hash'";
}
$result = db_query($query);
return db_num_rows($result) != 0;
}
function change_password($owner_uid, $old_password, $new_password) {
$owner_uid = db_escape_string($owner_uid);
if ($this->check_password($owner_uid, $old_password)) {
$new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$new_password_hash = encrypt_password($new_password, $new_salt, true);
db_query("UPDATE ttrss_users SET
pwd_hash = '$new_password_hash', salt = '$new_salt', otp_enabled = false
WHERE id = '$owner_uid'");
$_SESSION["pwd_hash"] = $new_password_hash;
return __("Password has been changed.");
} else {
return "ERROR: ".__('Old password is incorrect.');
}
}
function api_version() {
return 2;
}
}
?>