AuthenticationConfig.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Configuration / AuthenticationConfig.cs / 1305376 / AuthenticationConfig.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * AuthenticationConfigHandler class 
 *
 * Copyright (c) 1999 Microsoft Corporation 
 */

namespace System.Web.Configuration {
    using System.Runtime.Serialization; 
    using System.Web.Util;
    using System.Collections; 
    using System.IO; 
    using System.Security.Principal;
    using System.Xml; 
    using System.Security.Cryptography;
    using System.Configuration;
    using System.Globalization;
    using System.Web.Hosting; 
    using System.Web.Compilation;
 
    static internal class AuthenticationConfig { 
        private static AuthenticationMode? s_explicitMode;
 
        internal static AuthenticationMode Mode {
            get {
                if (s_explicitMode.HasValue) {
                    return s_explicitMode.Value; 
                }
                else { 
                    AuthenticationSection settings = RuntimeConfig.GetAppConfig().Authentication; 
                    settings.ValidateAuthenticationMode();
                    return settings.Mode; 
                }
            }
            set {
                Debug.Assert(BuildManager.PreStartInitStage == PreStartInitStage.DuringPreStartInit); 
                Debug.Assert(value == AuthenticationMode.Forms, "Only Forms mode can be set to override config");
                s_explicitMode = value; 
            } 
        }
 
        internal static String GetCompleteLoginUrl(HttpContext context, String loginUrl) {
            if (String.IsNullOrEmpty(loginUrl)) {
                return String.Empty;
            } 

            if (UrlPath.IsRelativeUrl(loginUrl)) { 
                loginUrl = UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, loginUrl); 
            }
 
            return loginUrl;
        }

        internal static bool AccessingLoginPage(HttpContext context, String loginUrl) { 
            if (String.IsNullOrEmpty(loginUrl)) {
                return false; 
            } 

            loginUrl = GetCompleteLoginUrl(context, loginUrl); 
            if (String.IsNullOrEmpty(loginUrl)) {
                return false;
            }
 
            // Ignore query string
            int iqs = loginUrl.IndexOf('?'); 
            if (iqs >= 0) { 
                loginUrl = loginUrl.Substring(0, iqs);
            } 

            String requestPath = context.Request.Path;

            if (StringUtil.EqualsIgnoreCase(requestPath, loginUrl)) { 
                return true;
            } 
 
            // It could be that loginUrl in config was UrlEncoded (ASURT 98932)
            if (loginUrl.IndexOf('%') >= 0) { 
                String decodedLoginUrl;
                // encoding is unknown try UTF-8 first, then request encoding

                decodedLoginUrl = HttpUtility.UrlDecode(loginUrl); 
                if (StringUtil.EqualsIgnoreCase(requestPath, decodedLoginUrl)) {
                    return true; 
                } 

                decodedLoginUrl = HttpUtility.UrlDecode(loginUrl, context.Request.ContentEncoding); 
                if (StringUtil.EqualsIgnoreCase(requestPath, decodedLoginUrl)) {
                    return true;
                }
            } 

            return false; 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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