From 9c79079e9cd5c53b61209bed6754ac6c06bbbda2 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Thu, 07 May 2015 07:52:47 -0400
Subject: [PATCH] Backported password generator patch

---
 interface/lib/classes/auth.inc.php |   74 +++++++++++++++++++++++++++++++++----
 1 files changed, 66 insertions(+), 8 deletions(-)

diff --git a/interface/lib/classes/auth.inc.php b/interface/lib/classes/auth.inc.php
index 36ec114..13dde9b 100644
--- a/interface/lib/classes/auth.inc.php
+++ b/interface/lib/classes/auth.inc.php
@@ -33,11 +33,20 @@
 
 	public function get_user_id()
 	{
+		global $app;
 		return $app->functions->intval($_SESSION['s']['user']['userid']);
 	}
 
 	public function is_admin() {
 		if($_SESSION['s']['user']['typ'] == 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	}
+	
+	public function is_superadmin() {
+		if($_SESSION['s']['user']['typ'] == 'admin' && $_SESSION['s']['user']['userid'] == 1) {
 			return true;
 		} else {
 			return false;
@@ -49,7 +58,7 @@
 
 		$userid = $app->functions->intval($userid);
 		$client = $app->db->queryOneRecord("SELECT client.limit_client FROM sys_user, client WHERE sys_user.userid = $userid AND sys_user.client_id = client.client_id");
-		if($client['limit_client'] > 0) {
+		if($client['limit_client'] != 0) {
 			return true;
 		} else {
 			return false;
@@ -82,6 +91,7 @@
 		global $app;
 		
 		$userid = $app->functions->intval($userid);
+		if(!preg_match('/^[a-zA-Z0-9\-\_]{1,64}$/',$limitname)) $app->error('Invalid limit name '.$limitname);
 		
 		// simple query cache
 		if($this->client_limits===null)
@@ -119,20 +129,68 @@
 
 	public function check_module_permissions($module) {
 		// Check if the current user has the permissions to access this module
-		if(!stristr($_SESSION["s"]["user"]["modules"], $module)) {
+		$user_modules = explode(',',$_SESSION["s"]["user"]["modules"]);
+		if(!in_array($module,$user_modules)) {
 			// echo "LOGIN_REDIRECT:/index.php";
 			header("Location: /index.php");
 			exit;
 		}
 	}
+	
+	public function check_security_permissions($permission) {
+		
+		global $app;
+		
+		$app->uses('getconf');
+		$security_config = $app->getconf->get_security_config('permissions');
 
-	public function get_random_password($length = 8) {
-		$base64_alphabet='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-		$password = '';
-		for ($n=0;$n<$length;$n++) {
-			$password.=$base64_alphabet[mt_rand(0, 63)];
+		$security_check = false;
+		if($security_config[$permission] == 'yes') $security_check = true;
+		if($security_config[$permission] == 'superadmin' && $app->auth->is_superadmin()) $security_check = true;
+		if($security_check !== true) {
+			$app->error($app->lng('security_check1_txt').' '.$permission.' '.$app->lng('security_check2_txt'));
 		}
-		return $password;
+		
+	}
+
+	public function get_random_password($minLength = 8, $special = false) {
+		$minLength = $minLength || 10;
+		if($minLength < 8) $minLength = 8;
+		$maxLength = $minLength + 5;
+		$length = mt_rand($minLength, $maxLength);
+		
+		$alphachars = "abcdefghijklmnopqrstuvwxyz";
+		$upperchars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+		$numchars = "1234567890";
+		$specialchars = "!@#_";
+		
+		$num_special = 0;
+		if($special == true) {
+			$num_special = intval(mt_rand(0, round($length / 4))) + 1;
+		}
+		$numericlen = mt_rand(1, 2);
+		$alphalen = $length - $num_special - $numericlen;
+		$upperlen = intval($alphalen / 2);
+		$alphalen = $alphalen - $upperlen;
+		$password = '';
+		
+		for($i = 0; $i < $alphalen; $i++) {
+			$password .= substr($alphachars, mt_rand(0, strlen($alphachars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $upperlen; $i++) {
+			$password .= substr($upperchars, mt_rand(0, strlen($upperchars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $num_special; $i++) {
+			$password .= substr($specialchars, mt_rand(0, strlen($specialchars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $numericlen; $i++) {
+			$password .= substr($numchars, mt_rand(0, strlen($numchars) - 1), 1);
+		}
+		
+		return str_shuffle($password);
 	}
 
 	public function crypt_password($cleartext_password) {

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