[tt-rss.git] / plugins / auth_internal / init.php

<?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("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) ?>">

								<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;
	}

}
?>
Commit	Line	Data
0d421af8	1	<?php
0f28f81f	2	class Auth_Internal extends Plugin implements IAuthModule {
0f28f81f AD	3	private $host;
	4
	5	function about() {
	6	return array(1.0,
	7	"Authenticates against internal tt-rss database",
	8	"fox",
	9	true);
	10	}
	11
	12	function init($host) {
0f28f81f AD	13	$this->host = $host;
	14
	15	$host->add_hook($host::HOOK_AUTH_USER, $this);
	16	}
0d421af8 AD	17
	18	function authenticate($login, $password) {
	19
	20	$pwd_hash1 = encrypt_password($password);
	21	$pwd_hash2 = encrypt_password($password, $login);
a42c55f0 AD	22	$login = db_escape_string($login);
a42c55f0 AD	23	$otp = db_escape_string($_REQUEST["otp"]);
fb70f26e	24
6322ac79	25	if (get_schema_version() > 96) {
d1e31c7a	26	if (!defined('AUTH_DISABLE_OTP') \|\| !AUTH_DISABLE_OTP) {
e441b583	27
a42c55f0	28	$result = db_query("SELECT otp_enabled,salt FROM ttrss_users WHERE
02cd6de1 AD	29	login = '$login'");
	30
	31	if (db_num_rows($result) > 0) {
e441b583	32
02cd6de1 AD	33	require_once "lib/otphp/vendor/base32.php";
	34	require_once "lib/otphp/lib/otp.php";
	35	require_once "lib/otphp/lib/totp.php";
	36
	37	$base32 = new Base32();
	38
	39	$otp_enabled = sql_bool_to_bool(db_fetch_result($result, 0, "otp_enabled"));
	40	$secret = $base32->encode(sha1(db_fetch_result($result, 0, "salt")));
	41
	42	$topt = new \OTPHP\TOTP($secret);
	43	$otp_check = $topt->now();
	44
	45	if ($otp_enabled) {
	46	if ($otp) {
	47	if ($otp != $otp_check) {
	48	return false;
	49	}
	50	} else {
2d684749	51	$return = urlencode($_REQUEST["return"]);
02cd6de1 AD	52	?><html>
02cd6de1 AD	53	<head><title>Tiny Tiny RSS</title></head>
da1e51cd AD	54	<?php echo stylesheet_tag("utility.css") ?>
da1e51cd AD	55	<body class="otp"><div class="content">
2d684749	56	<form action="public.php?return=<?php echo $return ?>"
da1e51cd	57	method="POST" class="otpform">
2d684749	58	<input type="hidden" name="op" value="login">
02cd6de1 AD	59	<input type="hidden" name="login" value="<?php echo htmlspecialchars($login) ?>">
	60	<input type="hidden" name="password" value="<?php echo htmlspecialchars($password) ?>">
	61
	62	<label><?php echo __("Please enter your one time password:") ?></label>
6f148528	63	<input autocomplete="off" size="6" name="otp" value=""/>
02cd6de1	64	<input type="submit" value="Continue"/>
da1e51cd	65	</form></div>
b8cdc394 AD	66	<script type="text/javascript">
	67	document.forms[0].otp.focus();
	68	</script>
02cd6de1 AD	69	<?php
02cd6de1 AD	70	exit;
4e70344b	71	}
fb70f26e	72	}
fb70f26e AD	73	}
	74	}
	75	}
0d421af8	76
6322ac79	77	if (get_schema_version() > 87) {
0d421af8	78
a42c55f0	79	$result = db_query("SELECT salt FROM ttrss_users WHERE
0d421af8 AD	80	login = '$login'");
	81
	82	if (db_num_rows($result) != 1) {
	83	return false;
	84	}
	85
	86	$salt = db_fetch_result($result, 0, "salt");
	87
	88	if ($salt == "") {
	89
	90	$query = "SELECT id
	91	FROM ttrss_users WHERE
	92	login = '$login' AND (pwd_hash = '$pwd_hash1' OR
	93	pwd_hash = '$pwd_hash2')";
	94
	95	// verify and upgrade password to new salt base
	96
a42c55f0	97	$result = db_query($query);
0d421af8 AD	98
	99	if (db_num_rows($result) == 1) {
	100	// upgrade password to MODE2
	101
	102	$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
	103	$pwd_hash = encrypt_password($password, $salt, true);
	104
a42c55f0	105	db_query("UPDATE ttrss_users SET
0d421af8 AD	106	pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
	107
	108	$query = "SELECT id
	109	FROM ttrss_users WHERE
	110	login = '$login' AND pwd_hash = '$pwd_hash'";
	111
	112	} else {
	113	return false;
	114	}
	115
	116	} else {
	117
	118	$pwd_hash = encrypt_password($password, $salt, true);
	119
	120	$query = "SELECT id
	121	FROM ttrss_users WHERE
	122	login = '$login' AND pwd_hash = '$pwd_hash'";
	123
	124	}
	125
	126	} else {
	127	$query = "SELECT id
	128	FROM ttrss_users WHERE
	129	login = '$login' AND (pwd_hash = '$pwd_hash1' OR
	130	pwd_hash = '$pwd_hash2')";
	131	}
	132
a42c55f0	133	$result = db_query($query);
0d421af8 AD	134
	135	if (db_num_rows($result) == 1) {
	136	return db_fetch_result($result, 0, "id");
	137	}
	138
	139	return false;
	140	}
d5fd183d	141
3ca8af7f	142	function check_password($owner_uid, $password) {
a42c55f0	143	$owner_uid = db_escape_string($owner_uid);
d5fd183d	144
a42c55f0	145	$result = db_query("SELECT salt,login FROM ttrss_users WHERE
d5fd183d AD	146	id = '$owner_uid'");
	147
	148	$salt = db_fetch_result($result, 0, "salt");
dc0374df	149	$login = db_fetch_result($result, 0, "login");
d5fd183d AD	150
d5fd183d AD	151	if (!$salt) {
3ca8af7f AD	152	$password_hash1 = encrypt_password($password);
3ca8af7f AD	153	$password_hash2 = encrypt_password($password, $login);
d5fd183d AD	154
d5fd183d AD	155	$query = "SELECT id FROM ttrss_users WHERE
3ca8af7f AD	156	id = '$owner_uid' AND (pwd_hash = '$password_hash1' OR
3ca8af7f AD	157	pwd_hash = '$password_hash2')";
d5fd183d AD	158
d5fd183d AD	159	} else {
3ca8af7f	160	$password_hash = encrypt_password($password, $salt, true);
d5fd183d AD	161
d5fd183d AD	162	$query = "SELECT id FROM ttrss_users WHERE
3ca8af7f	163	id = '$owner_uid' AND pwd_hash = '$password_hash'";
d5fd183d AD	164	}
d5fd183d AD	165
a42c55f0	166	$result = db_query($query);
d5fd183d	167
3ca8af7f AD	168	return db_num_rows($result) != 0;
	169	}
	170
	171	function change_password($owner_uid, $old_password, $new_password) {
a42c55f0	172	$owner_uid = db_escape_string($owner_uid);
3ca8af7f AD	173
3ca8af7f AD	174	if ($this->check_password($owner_uid, $old_password)) {
d5fd183d AD	175
	176	$new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
	177	$new_password_hash = encrypt_password($new_password, $new_salt, true);
	178
a42c55f0	179	db_query("UPDATE ttrss_users SET
fb70f26e	180	pwd_hash = '$new_password_hash', salt = '$new_salt', otp_enabled = false
d5fd183d AD	181	WHERE id = '$owner_uid'");
	182
	183	$_SESSION["pwd_hash"] = $new_password_hash;
	184
	185	return __("Password has been changed.");
	186	} else {
	187	return "ERROR: ".__('Old password is incorrect.');
	188	}
	189	}
106a3de9 AD	190
	191	function api_version() {
	192	return 2;
	193	}
	194
0d421af8 AD	195	}
0d421af8 AD	196	?>