code.grnet.gr Git - pithos-ms-client/blob - trunk/hammock/src/net35/Hammock/Web/BasicAuthWebQuery.cs

   1 using System;
   2 using System.Net;
   3 using Hammock.Extensions;
   4
   5 namespace Hammock.Web
   6 {
   7     /// <summary>
   8     /// A web query engine for making requests that use basic HTTP authorization.
   9     /// </summary>
  10     public class BasicAuthWebQuery : WebQuery
  11     {
  12         private readonly string _password;
  13         private readonly string _username;
  14
  15         public BasicAuthWebQuery(IWebQueryInfo info, string username, string password, bool enableTrace) : this(info, enableTrace)
  16         {
  17             _username = username;
  18             _password = password;
  19         }
  20
  21         public BasicAuthWebQuery(IWebQueryInfo info, bool enableTrace) : base(info, enableTrace)
  22         {
  23
  24         }
  25
  26         public bool HasAuth
  27         {
  28             get
  29             {
  30                 return
  31                     (!_username.IsNullOrBlank()
  32                      && !String.IsNullOrEmpty(_password));
  33             }
  34         }
  35
  36         protected override void SetAuthorizationHeader(WebRequest request, string header)
  37         {
  38             if (!HasAuth)
  39             {
  40                 return;
  41             }
  42
  43             var credentials = GetAuthorizationHeader();
  44             request.Headers[header] = credentials;
  45         }
  46
  47         private string GetAuthorizationHeader()
  48         {
  49             return WebExtensions.ToBasicAuthorizationHeader(_username, _password);
  50         }
  51
  52         protected override void AuthenticateRequest(WebRequest request)
  53         {
  54             SetAuthorizationHeader(request, "Authorization");
  55         }
  56
  57         public override string GetAuthorizationContent()
  58         {
  59             return GetAuthorizationHeader();
  60         }
  61     }
  62 }