[irc/unrealircd/unrealircd-webpanel.git] / plugins / sql_auth / sql_auth.php

<?php

require_once "SQL/sql.php";
require_once "SQL/settings.php";

class sql_auth
{
	public $name = "SQLAuth";
	public $author = "Valware";
	public $version = "1.0";
	public $description = "Provides a User Auth and Management Panel with an SQL backend";

	function __construct()
	{
		self::create_tables();
		Hook::func(HOOKTYPE_NAVBAR, 'sql_auth::add_navbar');
		Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start');
		Hook::func(HOOKTYPE_OVERVIEW_CARD, 'sql_auth::add_overview_card');
		Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info');
		Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user');
		Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta');
		Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta');
		Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta');

		if (defined('SQL_DEFAULT_USER')) // we've got a default account
		{
			$lkup = new PanelUser(SQL_DEFAULT_USER['username']);

			if (!$lkup->id) // doesn't exist, add it with full privileges
			{
				create_new_user(["user_name" => SQL_DEFAULT_USER['username'], "user_pass" => SQL_DEFAULT_USER['password']]);
			}
		}
	}

	public static function add_navbar(&$pages)
	{
		$user = unreal_get_current_user();
		if (!$user)
		{
			$pages = NULL;
			return;
		}
		$pages["Panel Access"] = "plugins/sql_auth/";
		if (isset($_SESSION['id']))
		{
			$pages["Logout"] = "login/?logout=true";
		}
	}

	public static function add_footer_info($empty)
	{
		if (!($user = unreal_get_current_user()))
			return;

		else {
			echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>";
		}
	}

	/* pre-Header hook */
	public static function session_start($n)
	{
		if (!isset($_SESSION))
		{
			session_set_cookie_params(3600);
			session_start();
		}
		do_log($_SESSION);
		if (!isset($_SESSION['id']) || empty($_SESSION))
		{
			$secure = ($_SERVER['HTTPS'] == 'on') ? "https://" : "http://";
			$current_url = "$secure$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
			$tok = split($_SERVER['SCRIPT_FILENAME'], "/");
			if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
				header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
				die();
			}
			header("Location: ".BASE_URL."login/?redirect=".urlencode($current_url));
			die();
		}
		else
		{
			if (!unreal_get_current_user()->id) // user no longer exists
			{
				session_destroy();
				header("Location: ".BASE_URL."login");
				die();
			}
			// you'll be automatically logged out after one hour of inactivity
		}
	}

	/**
	 * Create the tables we'll be using in the SQLdb
	 * @return void
	 */
	public static function create_tables()
	{
		$conn = sqlnew();
		$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "users (
			user_id int AUTO_INCREMENT NOT NULL,
			user_name VARCHAR(255) NOT NULL,
			user_pass VARCHAR(255) NOT NULL,
			
			user_fname VARCHAR(255),
			user_lname VARCHAR(255),
			user_bio VARCHAR(255),
			created VARCHAR(255),
			PRIMARY KEY (user_id)
		)");
		$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "user_meta (
			meta_id int AUTO_INCREMENT NOT NULL,
			user_id int NOT NULL,
			meta_key VARCHAR(255) NOT NULL,
			meta_value VARCHAR(255),
			PRIMARY KEY (meta_id)
		)");
		$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "auth_settings (
			id int AUTO_INCREMENT NOT NULL,
			setting_key VARCHAR(255) NOT NULL,
			setting_value VARCHAR(255),
			PRIMARY KEY (id)
		)");
		$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "fail2ban (
			id int AUTO_INCREMENT NOT NULL,
			ip VARCHAR(255) NOT NULL,
			count VARCHAR(255),
			PRIMARY KEY (id)
		)");
		new AuthSettings();
	}

	/**
	 * Summary of add_overview_card
	 * @param mixed $stats
	 * @return void
	 */
	public static function add_overview_card(object &$stats) : void
	{
		$num_of_panel_admins = sqlnew()->query("SELECT COUNT(*) FROM " . SQL_PREFIX . "users")->fetchColumn();
		?>

		<div class="container mt-5">

			<div class="row">
				<div class="col-sm-3">
					<div class="card text-center">
						<div class="card-header bg-success text-white">
							<div class="row">
								<div class="col">
									<i class="fa fa-lock-open fa-3x"></i>
								</div>
								<div class="col">
									<h3 class="display-4"><?php echo $num_of_panel_admins; ?></h3>
								</div>
							</div>
						</div>
						<div class="card-body">
							<div class="row">
								<div class="col">
									<h6>Panel Users</h6>
								</div>
								<div class="col"> <a class="btn btn-primary" href="<?php echo BASE_URL; ?>plugins/sql_auth/">View</a></div>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>		
		<?php
	}

	/* We convert $u with a full user as an object ;D*/
	public static function get_user(&$u)
	{
		$id = $u['id'];
		$name = $u['name'];
		$conn = sqlnew();

		if ($id)
		{
			$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1");
			$prep->execute(["id" => strtolower($id)]);
		}
		elseif ($name)
		{
			$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1");
			$prep->execute(["name" => strtolower($name)]);
		}
		$data = NULL;
		$obj = (object) [];
		if ($prep)
			$data = $prep->fetchAll();
		if (isset($data[0]) && $data = $data[0])
		{
			$obj->id = $data['user_id'];
			$obj->username = $data['user_name'];
			$obj->passhash = $data['user_pass'];
			$obj->first_name = $data['user_fname'] ?? NULL;
			$obj->last_name = $data['user_lname'] ?? NULL;
			$obj->created = $data['created'];
			$obj->bio = $data['user_bio'];
			$obj->user_meta = (new PanelUser_Meta($obj->id))->list;
		}
		$u['object'] = $obj;
	}

	public static function get_usermeta(&$u)
	{
		//do_log($u);
		$list = &$u['meta'];
		$id = $u['id'];
		$conn = sqlnew();
		if (isset($id))
		{
			$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id");
			$prep->execute(["id" => $id]);
		}
		foreach ($prep->fetchAll() as $row)
		{
			$list[$row['meta_key']] = $row['meta_value'];
		}
	}

	public static function add_usermeta(&$meta)
	{
		$conn = sqlnew();
		/* check if it exists first, update it if it does */
		$query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
		$stmt = $conn->prepare($query);
		$stmt->execute(["id" => $meta['id'], "key" => $meta['key']]);
		if ($stmt->rowCount()) // it exists, update instead of insert
		{
			$query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key";
			$stmt = $conn->prepare($query);
			$stmt->execute($meta);
			if ($stmt->rowCount())
				return true;
			return false;
		}

		else
		{
			$query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)";
			$stmt = $conn->prepare($query);
			$stmt->execute($meta);
			if ($stmt->rowCount())
				return true;
			return false;
		}
	}
	public static function del_usermeta(&$u)
	{
		$conn = sqlnew();
		$query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
		$stmt = $conn->prepare($query);
		$stmt->execute($u['meta']);
		if ($stmt->rowCount())
			return true;
		return false;
	}
}


function security_check()
{
	$ip = $_SERVER['REMOTE_ADDR'];
	if (dnsbl_check($ip))
		return true;

	else if (fail2ban_check($ip))
	{

	}
}

function dnsbl_check($ip)
{
	$dnsbl_lookup = DNSBL;

	// clear variable just in case
	$listed = NULL;

	// if the IP was not given because you're an idiot, stop processing
	if (!$ip) { return; }
	
	// get the first two segments of the IPv4	
	$because = split($ip, ".");   // why you
	$you = $because[1]; 		  // gotta play
	$want = $because[2];		 // that song
	$to = $you.".".$want.".";	// so loud?
	
	// exempt local connections because sometimes they get a false positive
	if ($to == "192.168." || $to == "127.0.") { return NULL; }
	
	// you spin my IP right round, right round, to check the records baby, right round-round-round
	$reverse_ip = glue(array_reverse(split($ip, ".")), ".");
	
	// checkem
	foreach ($dnsbl_lookup as $host) {
		
		//if it was listed
		if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) {
			
			//take note
			$listed = $host;
		}
	}

	// if it was safe, return NOTHING
	if (!$listed) {
		return NULL;
	}
	
	// else, you guessed it, return where it was listed
	else {
		return $listed;
	}
}

function fail2ban_check($ip)
{

}
Commit	Line	Data
ea27475b VP	1	<?php
	2
	3	require_once "SQL/sql.php";
ce9cf366	4	require_once "SQL/settings.php";
4d634d0a	5
ea27475b VP	6	class sql_auth
ea27475b VP	7	{
b44a2e97	8	public $name = "SQLAuth";
ea27475b VP	9	public $author = "Valware";
	10	public $version = "1.0";
	11	public $description = "Provides a User Auth and Management Panel with an SQL backend";
	12
	13	function __construct()
	14	{
5015c85c	15	self::create_tables();
b44a2e97 VP	16	Hook::func(HOOKTYPE_NAVBAR, 'sql_auth::add_navbar');
b44a2e97 VP	17	Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start');
aec8a198	18	Hook::func(HOOKTYPE_OVERVIEW_CARD, 'sql_auth::add_overview_card');
33f512fa	19	Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info');
6930484c VP	20	Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user');
	21	Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta');
	22	Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta');
	23	Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta');
4d634d0a VP	24
	25	if (defined('SQL_DEFAULT_USER')) // we've got a default account
	26	{
6930484c	27	$lkup = new PanelUser(SQL_DEFAULT_USER['username']);
4d634d0a VP	28
	29	if (!$lkup->id) // doesn't exist, add it with full privileges
	30	{
	31	create_new_user(["user_name" => SQL_DEFAULT_USER['username'], "user_pass" => SQL_DEFAULT_USER['password']]);
	32	}
	33	}
ea27475b VP	34	}
	35
	36	public static function add_navbar(&$pages)
	37	{
06369f59 VP	38	$user = unreal_get_current_user();
06369f59 VP	39	if (!$user)
ce9cf366 VP	40	{
	41	$pages = NULL;
	42	return;
	43	}
4225314c VP	44	$pages["Panel Access"] = "plugins/sql_auth/";
4225314c VP	45	if (isset($_SESSION['id']))
b44a2e97	46	{
321b7b81	47	$pages["Logout"] = "login/?logout=true";
b44a2e97	48	}
ea27475b VP	49	}
ea27475b VP	50
33f512fa VP	51	public static function add_footer_info($empty)
	52	{
	53	if (!($user = unreal_get_current_user()))
	54	return;
	55
	56	else {
	57	echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>";
	58	}
	59	}
	60
3a8ffab8	61	/* pre-Header hook */
b44a2e97 VP	62	public static function session_start($n)
b44a2e97 VP	63	{
06369f59 VP	64	if (!isset($_SESSION))
	65	{
	66	session_set_cookie_params(3600);
	67	session_start();
	68	}
454379e3 VP	69	do_log($_SESSION);
454379e3 VP	70	if (!isset($_SESSION['id']) \|\| empty($_SESSION))
b44a2e97	71	{
3a8ffab8 VP	72	$secure = ($_SERVER['HTTPS'] == 'on') ? "https://" : "http://";
3a8ffab8 VP	73	$current_url = "$secure$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
ce9cf366 VP	74	$tok = split($_SERVER['SCRIPT_FILENAME'], "/");
	75	if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
	76	header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
	77	die();
	78	}
321b7b81	79	header("Location: ".BASE_URL."login/?redirect=".urlencode($current_url));
454379e3	80	die();
b44a2e97	81	}
08ce3aa7 VP	82	else
08ce3aa7 VP	83	{
f5e3ecee	84	if (!unreal_get_current_user()->id) // user no longer exists
08ce3aa7 VP	85	{
08ce3aa7 VP	86	session_destroy();
321b7b81	87	header("Location: ".BASE_URL."login");
f5e3ecee	88	die();
08ce3aa7	89	}
e3e93dde	90	// you'll be automatically logged out after one hour of inactivity
08ce3aa7	91	}
b44a2e97	92	}
ea27475b	93
ce9cf366 VP	94	/**
	95	* Create the tables we'll be using in the SQLdb
	96	* @return void
	97	*/
5015c85c VP	98	public static function create_tables()
	99	{
	100	$conn = sqlnew();
	101	$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "users (
	102	user_id int AUTO_INCREMENT NOT NULL,
	103	user_name VARCHAR(255) NOT NULL,
	104	user_pass VARCHAR(255) NOT NULL,
	105
	106	user_fname VARCHAR(255),
	107	user_lname VARCHAR(255),
	108	user_bio VARCHAR(255),
	109	created VARCHAR(255),
	110	PRIMARY KEY (user_id)
	111	)");
	112	$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "user_meta (
	113	meta_id int AUTO_INCREMENT NOT NULL,
	114	user_id int NOT NULL,
	115	meta_key VARCHAR(255) NOT NULL,
	116	meta_value VARCHAR(255),
	117	PRIMARY KEY (meta_id)
	118	)");
ce9cf366 VP	119	$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "auth_settings (
	120	id int AUTO_INCREMENT NOT NULL,
	121	setting_key VARCHAR(255) NOT NULL,
	122	setting_value VARCHAR(255),
	123	PRIMARY KEY (id)
	124	)");
33f512fa VP	125	$conn->query("CREATE TABLE IF NOT EXISTS " . SQL_PREFIX . "fail2ban (
	126	id int AUTO_INCREMENT NOT NULL,
	127	ip VARCHAR(255) NOT NULL,
	128	count VARCHAR(255),
	129	PRIMARY KEY (id)
	130	)");
9c643401	131	new AuthSettings();
5015c85c VP	132	}
5015c85c VP	133
ce9cf366 VP	134	/**
	135	* Summary of add_overview_card
	136	* @param mixed $stats
	137	* @return void
	138	*/
	139	public static function add_overview_card(object &$stats) : void
aec8a198 VP	140	{
	141	$num_of_panel_admins = sqlnew()->query("SELECT COUNT(*) FROM " . SQL_PREFIX . "users")->fetchColumn();
	142	?>
	143
	144	<div class="container mt-5">
	145
	146	<div class="row">
	147	<div class="col-sm-3">
	148	<div class="card text-center">
	149	<div class="card-header bg-success text-white">
	150	<div class="row">
	151	<div class="col">
	152	<i class="fa fa-lock-open fa-3x"></i>
	153	</div>
	154	<div class="col">
	155	<h3 class="display-4"><?php echo $num_of_panel_admins; ?></h3>
	156	</div>
	157	</div>
	158	</div>
	159	<div class="card-body">
	160	<div class="row">
	161	<div class="col">
	162	<h6>Panel Users</h6>
	163	</div>
	164	<div class="col"> <a class="btn btn-primary" href="<?php echo BASE_URL; ?>plugins/sql_auth/">View</a></div>
	165	</div>
	166	</div>
	167	</div>
	168	</div>
	169	</div>
	170	</div>
	171	<?php
	172	}
	173
6930484c VP	174	/* We convert $u with a full user as an object ;D*/
	175	public static function get_user(&$u)
	176	{
	177	$id = $u['id'];
	178	$name = $u['name'];
	179	$conn = sqlnew();
	180
	181	if ($id)
	182	{
	183	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1");
	184	$prep->execute(["id" => strtolower($id)]);
	185	}
	186	elseif ($name)
	187	{
	188	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1");
	189	$prep->execute(["name" => strtolower($name)]);
	190	}
	191	$data = NULL;
	192	$obj = (object) [];
	193	if ($prep)
	194	$data = $prep->fetchAll();
	195	if (isset($data[0]) && $data = $data[0])
	196	{
	197	$obj->id = $data['user_id'];
	198	$obj->username = $data['user_name'];
	199	$obj->passhash = $data['user_pass'];
	200	$obj->first_name = $data['user_fname'] ?? NULL;
	201	$obj->last_name = $data['user_lname'] ?? NULL;
	202	$obj->created = $data['created'];
	203	$obj->bio = $data['user_bio'];
	204	$obj->user_meta = (new PanelUser_Meta($obj->id))->list;
	205	}
	206	$u['object'] = $obj;
	207	}
	208
	209	public static function get_usermeta(&$u)
	210	{
	211	//do_log($u);
	212	$list = &$u['meta'];
	213	$id = $u['id'];
	214	$conn = sqlnew();
	215	if (isset($id))
	216	{
	217	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id");
	218	$prep->execute(["id" => $id]);
	219	}
	220	foreach ($prep->fetchAll() as $row)
	221	{
	222	$list[$row['meta_key']] = $row['meta_value'];
	223	}
	224	}
	225
	226	public static function add_usermeta(&$meta)
	227	{
	228	$conn = sqlnew();
	229	/* check if it exists first, update it if it does */
	230	$query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
	231	$stmt = $conn->prepare($query);
	232	$stmt->execute(["id" => $meta['id'], "key" => $meta['key']]);
	233	if ($stmt->rowCount()) // it exists, update instead of insert
	234	{
	235	$query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key";
	236	$stmt = $conn->prepare($query);
	237	$stmt->execute($meta);
238	if ($stmt->rowCount())
239	return true;
240	return false;
241	}
242
243	else
244	{
245	$query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)";
246	$stmt = $conn->prepare($query);
247	$stmt->execute($meta);
248	if ($stmt->rowCount())
249	return true;
250	return false;
251	}
252	}
253	public static function del_usermeta(&$u)
254	{
255	$conn = sqlnew();
256	$query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
257	$stmt = $conn->prepare($query);
258	$stmt->execute($u['meta']);
259	if ($stmt->rowCount())
260	return true;
261	return false;
262	}
ce9cf366 VP	263	}
	264
	265
	266	function security_check()
	267	{
	268	$ip = $_SERVER['REMOTE_ADDR'];
	269	if (dnsbl_check($ip))
	270	return true;
	271
	272	else if (fail2ban_check($ip))
	273	{
	274
	275	}
	276	}
	277
	278	function dnsbl_check($ip)
	279	{
	280	$dnsbl_lookup = DNSBL;
	281
	282	// clear variable just in case
	283	$listed = NULL;
	284
	285	// if the IP was not given because you're an idiot, stop processing
	286	if (!$ip) { return; }
	287
	288	// get the first two segments of the IPv4
	289	$because = split($ip, "."); // why you
	290	$you = $because[1]; // gotta play
	291	$want = $because[2]; // that song
	292	$to = $you.".".$want."."; // so loud?
	293
	294	// exempt local connections because sometimes they get a false positive
	295	if ($to == "192.168." \|\| $to == "127.0.") { return NULL; }
	296
	297	// you spin my IP right round, right round, to check the records baby, right round-round-round
	298	$reverse_ip = glue(array_reverse(split($ip, ".")), ".");
	299
	300	// checkem
	301	foreach ($dnsbl_lookup as $host) {
	302
	303	//if it was listed
	304	if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) {
	305
	306	//take note
	307	$listed = $host;
	308	}
	309	}
	310
	311	// if it was safe, return NOTHING
	312	if (!$listed) {
	313	return NULL;
	314	}
	315
	316	// else, you guessed it, return where it was listed
	317	else {
	318	return $listed;
	319	}
	320	}
	321
	322	function fail2ban_check($ip)
33f512fa VP	323	{
	324
	325	}