[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";
	public $email = "v.a.pond@outlook.com";

	function __construct()
	{
		self::create_tables();
		Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start');
		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');
		Hook::func(HOOKTYPE_USER_CREATE, 'sql_auth::user_create');
		Hook::func(HOOKTYPE_GET_USER_LIST, 'sql_auth::get_user_list');
		Hook::func(HOOKTYPE_USER_DELETE, 'sql_auth::user_delete');
		Hook::func(HOOKTYPE_EDIT_USER, 'sql_auth::edit_core');
		Hook::func(HOOKTYPE_PRE_OVERVIEW_CARD, 'sql_auth::add_pre_overview_card');
		AuthModLoaded::$status = 1;

		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
			{
				$user = [];
				$user['user_name'] = SQL_DEFAULT_USER['username'];
				$user['user_pass'] = SQL_DEFAULT_USER['password'];
				$user['err'] = "";
				create_new_user($user);
			}
			$lkup = new PanelUser(SQL_DEFAULT_USER['username']);
			if (!user_can($lkup, PERMISSION_MANAGE_USERS))
				$lkup->add_permission(PERMISSION_MANAGE_USERS);
		}
	}


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

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

	public static function add_pre_overview_card($empty)
	{
		if (defined('SQL_DEFAULT_USER'))
			Message::Fail("Warning: SQL_DEFAULT_USER is set in config.php. You should remove that item now, as it is only used during installation.");
	}

	/* pre-Header hook */
	public static function session_start($n)
	{
		if (!isset($_SESSION))
		{
			session_set_cookie_params(3600);
			session_start();
		}
		if (!isset($_SESSION['id']) || empty($_SESSION))
		{
			$current_page = $_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_page));
			die();
		}
		else
		{
			if (!unreal_get_current_user()) // 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()
	{
		$script = $_SERVER['SCRIPT_FILENAME'];
		if (str_ends_with($script,"setup.php"))
			return;
		$conn = sqlnew();
		$stmt = $conn->query("SHOW TABLES LIKE '".SQL_PREFIX."%'");
		if ($stmt->rowCount() < 5)
			header("Location: ".BASE_URL."plugins/sql_auth/setup.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->email = $data['user_email'];
			$obj->user_meta = (new PanelUser_Meta($obj->id))->list;
		}
		$u['object'] = $obj;
	}

	public static function get_usermeta(&$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)
	{
		$meta = $meta['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 ($stmt->rowCount())
			return true;
		return false;
	}
	public static function user_create(&$u)
	{
		$username = $u['user_name'];
		$first_name = $u['fname'] ?? NULL;
		$last_name = $u['lname'] ?? NULL;
		$password = $u['user_pass'] ?? NULL;
		$user_bio = $u['user_bio'] ?? NULL;
		$user_email = $u['user_email'] ?? NULL;
		$conn = sqlnew();
		$prep = $conn->prepare("INSERT INTO " . SQL_PREFIX . "users (user_name, user_pass, user_fname, user_lname, user_bio, user_email, created) VALUES (:name, :pass, :fname, :lname, :user_bio, :user_email, :created)");
		$prep->execute(["name" => $username, "pass" => $password, "fname" => $first_name, "lname" => $last_name, "user_bio" => $user_bio, "user_email" => $user_email, "created" => date("Y-m-d H:i:s")]);
		if ($prep->rowCount())
			$u['success'] = true;
		else
			$u['errmsg'][] = "Could not add user";
	}

	public static function get_user_list(&$list)
	{
		$conn = sqlnew();
		$result = $conn->query("SELECT user_id FROM " . SQL_PREFIX . "users");
		if (!$result) // impossible
		{
			die("Something went wrong.");
		}
		$userlist = [];
		while($row =  $result->fetch())
		{
			$userlist[] = new PanelUser(NULL, $row['user_id']);
		}
		if (!empty($userlist))
			$list = $userlist;
		
	}
	public static function user_delete(&$u)
	{
		$user = $u['user'];
		$query = "DELETE FROM " . SQL_PREFIX . "users WHERE user_id = :id";
		$conn = sqlnew();
		$stmt = $conn->prepare($query);
		$stmt->execute(["id" => $user->id]);
		$deleted = $stmt->rowCount();
		if ($deleted)
		{
			$u['info'][] = "Successfully deleted user \"$user->username\"";
			$u['boolint'] =  1;
		} else {
			$u['info'][] = "Unknown error";
			$u['boolint'] = 0;
		}
	}

	public static function edit_core($arr)
	{
		$conn = sqlnew();
		$user = $arr['user'];
		$info = $arr['info'];
		foreach($info as $key => $val)
		{
			$value = NULL;
			if (!$val || !strlen($val) || BadPtr($val))
				continue;
			if (!strcmp($key,"update_fname") && $val != $user->first_name)
			{
				$value = "user_fname";
				$valuestr = "first name";
			}
			elseif (!strcmp($key,"update_lname") && $val != $user->last_name)
			{
				$value = "user_lname";
				$valuestr = "last name";
			}
			elseif (!strcmp($key,"update_bio") && $val != $user->bio)
			{
				$value = "user_bio";
				$valuestr = "bio";
			}
			elseif (!strcmp($key,"update_pass") || !strcmp($key,"update_pass_conf"))
			{
				$value = "user_pass";
				$valuestr = "password";
			}
			elseif(!strcmp($key,"update_email") && $val != $user->email)
			{
				$value = "user_email";
				$valuestr = "email address";
			}
			
			if (!$value)
				continue;
			$query = "UPDATE " . SQL_PREFIX . "users SET $value=:value WHERE user_id = :id";
			$stmt = $conn->prepare($query);
			$stmt->execute(["value" => $val, "id" => $user->id]);

			if (!$stmt->rowCount() && $stmt->errorInfo()[0] != "00000")
				Message::Fail("Could not update $valuestr for $user->username: ".$stmt->errorInfo()[0]." (CODE: ".$stmt->errorCode().")");

			else
				Message::Success("Successfully updated the $valuestr for $user->username");
		}
	}
}


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

	else if (fail2ban_check($ip))
	{

	}
}

function dnsbl_check($ip)
{

	if (!defined('DNSBL'))
		return;
	$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";
b65f0496	12	public $email = "v.a.pond@outlook.com";
ea27475b VP	13
	14	function __construct()
	15	{
5015c85c	16	self::create_tables();
b44a2e97	17	Hook::func(HOOKTYPE_PRE_HEADER, 'sql_auth::session_start');
33f512fa	18	Hook::func(HOOKTYPE_FOOTER, 'sql_auth::add_footer_info');
6930484c VP	19	Hook::func(HOOKTYPE_USER_LOOKUP, 'sql_auth::get_user');
	20	Hook::func(HOOKTYPE_USERMETA_ADD, 'sql_auth::add_usermeta');
	21	Hook::func(HOOKTYPE_USERMETA_DEL, 'sql_auth::del_usermeta');
	22	Hook::func(HOOKTYPE_USERMETA_GET, 'sql_auth::get_usermeta');
180b8ec1 VP	23	Hook::func(HOOKTYPE_USER_CREATE, 'sql_auth::user_create');
	24	Hook::func(HOOKTYPE_GET_USER_LIST, 'sql_auth::get_user_list');
	25	Hook::func(HOOKTYPE_USER_DELETE, 'sql_auth::user_delete');
5a7f0cde	26	Hook::func(HOOKTYPE_EDIT_USER, 'sql_auth::edit_core');
b6a7129b	27	Hook::func(HOOKTYPE_PRE_OVERVIEW_CARD, 'sql_auth::add_pre_overview_card');
c00c34d2	28	AuthModLoaded::$status = 1;
4d634d0a VP	29
	30	if (defined('SQL_DEFAULT_USER')) // we've got a default account
	31	{
6930484c	32	$lkup = new PanelUser(SQL_DEFAULT_USER['username']);
4d634d0a VP	33
	34	if (!$lkup->id) // doesn't exist, add it with full privileges
	35	{
180b8ec1 VP	36	$user = [];
	37	$user['user_name'] = SQL_DEFAULT_USER['username'];
	38	$user['user_pass'] = SQL_DEFAULT_USER['password'];
	39	$user['err'] = "";
	40	create_new_user($user);
4d634d0a	41	}
79d2194c VP	42	$lkup = new PanelUser(SQL_DEFAULT_USER['username']);
	43	if (!user_can($lkup, PERMISSION_MANAGE_USERS))
	44	$lkup->add_permission(PERMISSION_MANAGE_USERS);
4d634d0a	45	}
ea27475b VP	46	}
ea27475b VP	47
ea27475b	48
33f512fa VP	49	public static function add_footer_info($empty)
33f512fa VP	50	{
94890799	51	if (!($user = unreal_get_current_user()))
33f512fa VP	52	return;
	53
	54	else {
	55	echo "<code>Admin Panel v" . WEBPANEL_VERSION . "</code>";
	56	}
	57	}
	58
b6a7129b BM	59	public static function add_pre_overview_card($empty)
	60	{
	61	if (defined('SQL_DEFAULT_USER'))
	62	Message::Fail("Warning: SQL_DEFAULT_USER is set in config.php. You should remove that item now, as it is only used during installation.");
	63	}
	64
3a8ffab8	65	/* pre-Header hook */
b44a2e97 VP	66	public static function session_start($n)
b44a2e97 VP	67	{
06369f59 VP	68	if (!isset($_SESSION))
	69	{
	70	session_set_cookie_params(3600);
	71	session_start();
	72	}
454379e3	73	if (!isset($_SESSION['id']) \|\| empty($_SESSION))
b44a2e97	74	{
bc75e1cb	75	$current_page = $_SERVER['REQUEST_URI'];
ce9cf366 VP	76	$tok = split($_SERVER['SCRIPT_FILENAME'], "/");
	77	if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
	78	header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
	79	die();
	80	}
bc75e1cb	81	header("Location: ".BASE_URL."login/?redirect=".urlencode($current_page));
454379e3	82	die();
b44a2e97	83	}
08ce3aa7 VP	84	else
08ce3aa7 VP	85	{
94890799	86	if (!unreal_get_current_user()) // user no longer exists
08ce3aa7 VP	87	{
08ce3aa7 VP	88	session_destroy();
321b7b81	89	header("Location: ".BASE_URL."login");
f5e3ecee	90	die();
08ce3aa7	91	}
e3e93dde	92	// you'll be automatically logged out after one hour of inactivity
08ce3aa7	93	}
b44a2e97	94	}
ea27475b	95
ce9cf366 VP	96	/**
	97	* Create the tables we'll be using in the SQLdb
	98	* @return void
	99	*/
5015c85c VP	100	public static function create_tables()
5015c85c VP	101	{
46e8f612 VP	102	$script = $_SERVER['SCRIPT_FILENAME'];
	103	if (str_ends_with($script,"setup.php"))
	104	return;
5015c85c	105	$conn = sqlnew();
46e8f612 VP	106	$stmt = $conn->query("SHOW TABLES LIKE '".SQL_PREFIX."%'");
	107	if ($stmt->rowCount() < 5)
	108	header("Location: ".BASE_URL."plugins/sql_auth/setup.php");
5015c85c VP	109	}
5015c85c VP	110
6930484c VP	111	/* We convert $u with a full user as an object ;D*/
	112	public static function get_user(&$u)
	113	{
	114	$id = $u['id'];
	115	$name = $u['name'];
	116	$conn = sqlnew();
	117
	118	if ($id)
	119	{
	120	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE user_id = :id LIMIT 1");
	121	$prep->execute(["id" => strtolower($id)]);
	122	}
	123	elseif ($name)
	124	{
	125	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "users WHERE LOWER(user_name) = :name LIMIT 1");
	126	$prep->execute(["name" => strtolower($name)]);
	127	}
	128	$data = NULL;
	129	$obj = (object) [];
	130	if ($prep)
	131	$data = $prep->fetchAll();
	132	if (isset($data[0]) && $data = $data[0])
	133	{
	134	$obj->id = $data['user_id'];
	135	$obj->username = $data['user_name'];
	136	$obj->passhash = $data['user_pass'];
	137	$obj->first_name = $data['user_fname'] ?? NULL;
	138	$obj->last_name = $data['user_lname'] ?? NULL;
	139	$obj->created = $data['created'];
	140	$obj->bio = $data['user_bio'];
9a674833	141	$obj->email = $data['user_email'];
6930484c VP	142	$obj->user_meta = (new PanelUser_Meta($obj->id))->list;
	143	}
	144	$u['object'] = $obj;
	145	}
	146
	147	public static function get_usermeta(&$u)
	148	{
6930484c VP	149	$list = &$u['meta'];
	150	$id = $u['id'];
	151	$conn = sqlnew();
	152	if (isset($id))
	153	{
	154	$prep = $conn->prepare("SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id");
	155	$prep->execute(["id" => $id]);
	156	}
	157	foreach ($prep->fetchAll() as $row)
	158	{
	159	$list[$row['meta_key']] = $row['meta_value'];
	160	}
	161	}
	162
	163	public static function add_usermeta(&$meta)
	164	{
da6fa2d1	165	$meta = $meta['meta'];
6930484c VP	166	$conn = sqlnew();
	167	/* check if it exists first, update it if it does */
	168	$query = "SELECT * FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
	169	$stmt = $conn->prepare($query);
	170	$stmt->execute(["id" => $meta['id'], "key" => $meta['key']]);
	171	if ($stmt->rowCount()) // it exists, update instead of insert
	172	{
	173	$query = "UPDATE " . SQL_PREFIX . "user_meta SET meta_value = :value WHERE user_id = :id AND meta_key = :key";
	174	$stmt = $conn->prepare($query);
	175	$stmt->execute($meta);
	176	if ($stmt->rowCount())
	177	return true;
	178	return false;
	179	}
	180
	181	else
	182	{
	183	$query = "INSERT INTO " . SQL_PREFIX . "user_meta (user_id, meta_key, meta_value) VALUES (:id, :key, :value)";
	184	$stmt = $conn->prepare($query);
	185	$stmt->execute($meta);
	186	if ($stmt->rowCount())
	187	return true;
	188	return false;
	189	}
	190	}
	191	public static function del_usermeta(&$u)
	192	{
	193	$conn = sqlnew();
	194	$query = "DELETE FROM " . SQL_PREFIX . "user_meta WHERE user_id = :id AND meta_key = :key";
	195	$stmt = $conn->prepare($query);
	196	$stmt->execute($u['meta']);
	197	if ($stmt->rowCount())
	198	return true;
	199	return false;
	200	}
180b8ec1 VP	201	public static function user_create(&$u)
	202	{
	203	$username = $u['user_name'];
9f9d16d5 VP	204	$first_name = $u['fname'] ?? NULL;
	205	$last_name = $u['lname'] ?? NULL;
	206	$password = $u['user_pass'] ?? NULL;
	207	$user_bio = $u['user_bio'] ?? NULL;
	208	$user_email = $u['user_email'] ?? NULL;
180b8ec1	209	$conn = sqlnew();
9a674833 VP	210	$prep = $conn->prepare("INSERT INTO " . SQL_PREFIX . "users (user_name, user_pass, user_fname, user_lname, user_bio, user_email, created) VALUES (:name, :pass, :fname, :lname, :user_bio, :user_email, :created)");
9a674833 VP	211	$prep->execute(["name" => $username, "pass" => $password, "fname" => $first_name, "lname" => $last_name, "user_bio" => $user_bio, "user_email" => $user_email, "created" => date("Y-m-d H:i:s")]);
180b8ec1 VP	212	if ($prep->rowCount())
	213	$u['success'] = true;
	214	else
	215	$u['errmsg'][] = "Could not add user";
	216	}
	217
	218	public static function get_user_list(&$list)
	219	{
	220	$conn = sqlnew();
	221	$result = $conn->query("SELECT user_id FROM " . SQL_PREFIX . "users");
	222	if (!$result) // impossible
	223	{
	224	die("Something went wrong.");
	225	}
	226	$userlist = [];
	227	while($row = $result->fetch())
	228	{
	229	$userlist[] = new PanelUser(NULL, $row['user_id']);
	230	}
	231	if (!empty($userlist))
	232	$list = $userlist;
	233
	234	}
	235	public static function user_delete(&$u)
	236	{
	237	$user = $u['user'];
	238	$query = "DELETE FROM " . SQL_PREFIX . "users WHERE user_id = :id";
	239	$conn = sqlnew();
	240	$stmt = $conn->prepare($query);
	241	$stmt->execute(["id" => $user->id]);
	242	$deleted = $stmt->rowCount();
	243	if ($deleted)
	244	{
	245	$u['info'][] = "Successfully deleted user \"$user->username\"";
	246	$u['boolint'] = 1;
	247	} else {
	248	$u['info'][] = "Unknown error";
	249	$u['boolint'] = 0;
	250	}
	251	}
5a7f0cde VP	252
	253	public static function edit_core($arr)
	254	{
	255	$conn = sqlnew();
	256	$user = $arr['user'];
	257	$info = $arr['info'];
	258	foreach($info as $key => $val)
	259	{
e9c858fd	260	$value = NULL;
8a73256b	261	if (!$val \|\| !strlen($val) \|\| BadPtr($val))
5a7f0cde	262	continue;
e9c858fd VP	263	if (!strcmp($key,"update_fname") && $val != $user->first_name)
e9c858fd VP	264	{
5a7f0cde	265	$value = "user_fname";
e9c858fd VP	266	$valuestr = "first name";
	267	}
	268	elseif (!strcmp($key,"update_lname") && $val != $user->last_name)
	269	{
5a7f0cde	270	$value = "user_lname";
e9c858fd VP	271	$valuestr = "last name";
	272	}
	273	elseif (!strcmp($key,"update_bio") && $val != $user->bio)
	274	{
5a7f0cde	275	$value = "user_bio";
e9c858fd VP	276	$valuestr = "bio";
e9c858fd VP	277	}
5a7f0cde	278	elseif (!strcmp($key,"update_pass") \|\| !strcmp($key,"update_pass_conf"))
e9c858fd	279	{
5a7f0cde	280	$value = "user_pass";
e9c858fd VP	281	$valuestr = "password";
	282	}
	283	elseif(!strcmp($key,"update_email") && $val != $user->email)
	284	{
5a7f0cde	285	$value = "user_email";
e9c858fd VP	286	$valuestr = "email address";
	287	}
	288
	289	if (!$value)
	290	continue;
5a7f0cde VP	291	$query = "UPDATE " . SQL_PREFIX . "users SET $value=:value WHERE user_id = :id";
	292	$stmt = $conn->prepare($query);
	293	$stmt->execute(["value" => $val, "id" => $user->id]);
e9c858fd VP	294
	295	if (!$stmt->rowCount() && $stmt->errorInfo()[0] != "00000")
	296	Message::Fail("Could not update $valuestr for $user->username: ".$stmt->errorInfo()[0]." (CODE: ".$stmt->errorCode().")");
	297
	298	else
	299	Message::Success("Successfully updated the $valuestr for $user->username");
5a7f0cde VP	300	}
5a7f0cde VP	301	}
ce9cf366 VP	302	}
	303
	304
	305	function security_check()
	306	{
	307	$ip = $_SERVER['REMOTE_ADDR'];
	308	if (dnsbl_check($ip))
	309	return true;
	310
	311	else if (fail2ban_check($ip))
	312	{
	313
	314	}
	315	}
	316
	317	function dnsbl_check($ip)
	318	{
5a7f0cde VP	319
	320	if (!defined('DNSBL'))
	321	return;
ce9cf366 VP	322	$dnsbl_lookup = DNSBL;
	323
	324	// clear variable just in case
	325	$listed = NULL;
	326
	327	// if the IP was not given because you're an idiot, stop processing
	328	if (!$ip) { return; }
	329
	330	// get the first two segments of the IPv4
	331	$because = split($ip, "."); // why you
	332	$you = $because[1]; // gotta play
	333	$want = $because[2]; // that song
	334	$to = $you.".".$want."."; // so loud?
	335
	336	// exempt local connections because sometimes they get a false positive
	337	if ($to == "192.168." \|\| $to == "127.0.") { return NULL; }
	338
	339	// you spin my IP right round, right round, to check the records baby, right round-round-round
	340	$reverse_ip = glue(array_reverse(split($ip, ".")), ".");
	341
	342	// checkem
	343	foreach ($dnsbl_lookup as $host) {
	344
	345	//if it was listed
	346	if (checkdnsrr($reverse_ip . "." . $host . ".", "A")) {
	347
	348	//take note
	349	$listed = $host;
	350	}
	351	}
	352
	353	// if it was safe, return NOTHING
	354	if (!$listed) {
	355	return NULL;
	356	}
	357
	358	// else, you guessed it, return where it was listed
	359	else {
	360	return $listed;
	361	}
	362	}
	363
	364	function fail2ban_check($ip)
33f512fa VP	365	{
	366
	367	}