X-Git-Url: https://jfr.im/git/irc/unrealircd/unrealircd-webpanel.git/blobdiff_plain/aec8a198a162933a5907f7ae598493611b206228..33f512fa30c06fa488c42e68f9bc9f401300a5ab:/plugins/sql_auth/sql_auth.php

diff --git a/plugins/sql_auth/sql_auth.php b/plugins/sql_auth/sql_auth.php
index 62d59bd..fdfeb56 100644
--- a/plugins/sql_auth/sql_auth.php
+++ b/plugins/sql_auth/sql_auth.php
@@ -2,6 +2,7 @@
 
 require_once "SQL/sql.php";
 require_once "SQL/user.php";
+require_once "SQL/settings.php";
 
 class sql_auth
 {
@@ -16,6 +17,7 @@ class sql_auth
 		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');
 
 		if (defined('SQL_DEFAULT_USER')) // we've got a default account
 		{
@@ -30,8 +32,11 @@ class sql_auth
 
 	public static function add_navbar(&$pages)
 	{
-		session_start();
-		
+		if (!unreal_get_current_user()->id)
+		{
+			$pages = NULL;
+			return;
+		}
 		$pages["Panel Access"] = "plugins/sql_auth/";
 		if (isset($_SESSION['id']))
 		{
@@ -39,14 +44,48 @@ class sql_auth
 		}
 	}
 
+	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 session_start($n)
 	{
-		if (!isset($_SESSION['id']))
+		do_log($_SESSION);
+		if (!isset($_SESSION['id']) || empty($_SESSION))
 		{
+			$tok = split($_SERVER['SCRIPT_FILENAME'], "/");
+			if ($check = security_check() && $tok[count($tok) - 1] !== "error.php") {
+				header("Location: " . BASE_URL . "plugins/sql_auth/error.php");
+				die();
+			}
+			session_destroy();
 			header("Location: ".BASE_URL."plugins/sql_auth/login.php");
+			die();
+		}
+		else
+		{
+			if (!unreal_get_current_user()->id) // user no longer exists
+			{
+				session_destroy();
+				header("Location: ".BASE_URL."plugins/sql_auth/login.php");
+				die();
+			}
+			// you'll be automatically logged out after one hour of inactivity
+			session_set_cookie_params(3600);
+			session_start();
 		}
 	}
 
+	/**
+	 * Create the tables we'll be using in the SQLdb
+	 * @return void
+	 */
 	public static function create_tables()
 	{
 		$conn = sqlnew();
@@ -68,9 +107,27 @@ class sql_auth
 			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();
 	}
 
-	public static function add_overview_card(&$stats)
+	/**
+	 * 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();
 		?>
@@ -105,4 +162,66 @@ class sql_auth
 		<?php
 	}
 
+}
+
+
+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)
+{
+
 }
\ No newline at end of file