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