Improved input validation for settings that are acessible by the admin user.

Author: Till Brehm

interface/lib/classes/validate_systemuser.inc.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+Copyright (c) 2014, Till Brehm, projektfarm Gmbh
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+class validate_systemuser {
+
+	/*
+		Validator function to check if a given user is ok.
+	*/
+	function check_sysuser($field_name, $field_value, $validator) {
+		global $app;
+		
+		$errmsg = $validator['errmsg'];
+		$check_names = (isset($validator['check_names']) && $validator['check_names'] == true)?true:false;
+
+		if($app->functions->is_allowed_user(trim(strtolower($field_value)),$check_names) == false) {
+			return $app->tform->wordbook[$errmsg]."<br>\r\n";
+		}
+	}
+	
+	/*
+		Validator function to check if a given group is ok.
+	*/
+	function check_sysgroup($field_name, $field_value, $validator) {
+		global $app;
+		
+		$errmsg = $validator['errmsg'];
+		$check_names = (isset($validator['check_names']) && $validator['check_names'] == true)?true:false;
+
+		if($app->functions->is_allowed_group(trim(strtolower($field_value)),$check_names) == false) {
+			return $app->tform->wordbook[$errmsg]."<br>\r\n";
+		}
+	}
+
+
+
+
+}