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<?php
class Auth_Internal extends Plugin implements IAuthModule {
private $host;
function about() {
return array(1.0,
"Authenticates against internal tt-rss database",
"fox",
true);
}
/* @var PluginHost $host */
function init($host) {
$this->host = $host;
$this->pdo = Db::pdo();
$host->add_hook($host::HOOK_AUTH_USER, $this);
}
function authenticate($login, $password) {
$pwd_hash1 = encrypt_password($password);
$pwd_hash2 = encrypt_password($password, $login);
$otp = $_REQUEST["otp"];
if (get_schema_version() > 96) {
if (!defined('AUTH_DISABLE_OTP') || !AUTH_DISABLE_OTP) {
$sth = $this->pdo->prepare("SELECT otp_enabled,salt FROM ttrss_users WHERE
login = ?");
$sth->execute([$login]);
if ($row = $sth->fetch()) {
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 = $row['otp_enabled'];
$secret = $base32->encode(sha1($row['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/default.css") ?>
<body class="ttrss_utility 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) {
$sth = $this->pdo->prepare("SELECT salt FROM ttrss_users WHERE login = ?");
$sth->execute([$login]);
if ($row = $sth->fetch()) {
$salt = $row['salt'];
if ($salt == "") {
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
login = ? AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
// verify and upgrade password to new salt base
if ($row = $sth->fetch()) {
// upgrade password to MODE2
$user_id = $row['id'];
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("UPDATE ttrss_users SET
pwd_hash = ?, salt = ? WHERE login = ?");
$sth->execute([$pwd_hash, $salt, $login]);
return $user_id;
} else {
return false;
}
} else {
$pwd_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
login = ? AND pwd_hash = ?");
$sth->execute([$login, $pwd_hash]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
} else {
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
login = ? AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
} else {
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
login = ? AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
return false;
}
function check_password($owner_uid, $password) {
$sth = $this->pdo->prepare("SELECT salt,login FROM ttrss_users WHERE
id = ?");
$sth->execute([$owner_uid]);
if ($row = $sth->fetch()) {
$salt = $row['salt'];
$login = $row['login'];
if (!$salt) {
$password_hash1 = encrypt_password($password);
$password_hash2 = encrypt_password($password, $login);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
id = ? AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$owner_uid, $password_hash1, $password_hash2]);
return $sth->fetch();
} else {
$password_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
id = ? AND pwd_hash = ?");
$sth->execute([$owner_uid, $password_hash]);
return $sth->fetch();
}
}
return false;
}
function change_password($owner_uid, $old_password, $new_password) {
if ($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);
$sth = $this->pdo->prepare("UPDATE ttrss_users SET
pwd_hash = ?, salt = ?, otp_enabled = false
WHERE id = ?");
$sth->execute([$new_password_hash, $new_salt, $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;
}
}
?>
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