mcs/class/System.Web.Services/System.Web.Services.Protocols/HttpWebClientProtocol.cs

   1 // \r
   2 // System.Web.Services.Protocols.HttpWebClientProtocol.cs\r
   3 //\r
   4 // Author:\r
   5 //   Tim Coleman (tim@timcoleman.com)\r
   6 //\r
   7 // Copyright (C) Tim Coleman, 2002\r
   8 //\r
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 \r
  31 using System;\r
  32 using System.ComponentModel;\r
  33 using System.Net;\r
  34 using System.Security.Cryptography.X509Certificates;\r
  35 using System.Threading;\r
  36 using System.Web.Services;\r
  37 \r
  38 namespace System.Web.Services.Protocols {\r
  39         public abstract class HttpWebClientProtocol : WebClientProtocol {\r
  40 \r
  41                 #region Fields\r
  42 \r
  43                 bool allowAutoRedirect;\r
  44                 X509CertificateCollection clientCertificates;\r
  45                 CookieContainer cookieContainer;\r
  46                 IWebProxy proxy;\r
  47                 string userAgent;\r
  48                 \r
  49 #if NET_1_1\r
  50                 bool _unsafeAuthenticated;\r
  51 #endif\r
  52                 #endregion\r
  53 \r
  54                 #region Constructors\r
  55 \r
  56                 protected HttpWebClientProtocol () \r
  57                 {\r
  58                         allowAutoRedirect = false;\r
  59                         clientCertificates = null;\r
  60                         cookieContainer = null;\r
  61                         proxy = null; // FIXME\r
  62                         userAgent = String.Format ("Mono Web Services Client Protocol {0}", Environment.Version);\r
  63                 }\r
  64                 \r
  65                 #endregion // Constructors\r
  66 \r
  67                 #region Properties\r
  68 \r
  69                 [DefaultValue (false)]\r
  70                 [WebServicesDescription ("Enable automatic handling of server redirects.")]\r
  71                 public bool AllowAutoRedirect {\r
  72                         get { return allowAutoRedirect; }\r
  73                         set { allowAutoRedirect = value; }\r
  74                 }\r
  75 \r
  76                 [Browsable (false)]\r
  77                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
  78                 [WebServicesDescription ("The client certificates that will be sent to the server, if the server requests them.")]\r
  79                 public X509CertificateCollection ClientCertificates {\r
  80                         get {\r
  81                                 if (clientCertificates == null)\r
  82                                         clientCertificates = new X509CertificateCollection ();\r
  83                                 return clientCertificates;\r
  84                         }\r
  85                 }\r
  86 \r
  87                 [DefaultValue (null)]\r
  88                 [WebServicesDescription ("A container for all cookies received from servers in the current session.")]\r
  89                 public CookieContainer CookieContainer {\r
  90                         get { return cookieContainer; }\r
  91                         set { cookieContainer = value; }\r
  92                 }\r
  93 \r
  94                 [Browsable (false)]\r
  95                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
  96                 public IWebProxy Proxy {\r
  97                         get { return proxy; }\r
  98                         set { proxy = value; }\r
  99                 }\r
 100 \r
 101                 [WebServicesDescription ("Sets the user agent http header for the request.")]\r
 102                 public string UserAgent {\r
 103                         get { return userAgent; }\r
 104                         set { userAgent = value; }\r
 105                 }\r
 106                 \r
 107 #if NET_1_1\r
 108                 public bool UnsafeAuthenticatedConnectionSharing\r
 109                 {\r
 110                         get { return _unsafeAuthenticated; }\r
 111                         set { _unsafeAuthenticated = value; }\r
 112                 }\r
 113 #endif\r
 114 \r
 115                 #endregion // Properties\r
 116 \r
 117                 #region Methods\r
 118 \r
 119                 internal virtual void CheckForCookies (HttpWebResponse response)\r
 120                 {\r
 121                         CookieCollection cookies = response.Cookies;\r
 122                         if (cookieContainer == null || cookies.Count == 0)\r
 123                                 return;\r
 124 \r
 125                         CookieCollection coll = cookieContainer.GetCookies (uri);\r
 126                         foreach (Cookie c in cookies) {\r
 127                                 bool add = true;\r
 128                                 foreach (Cookie prev in coll) {\r
 129                                         if (c.Equals (prev)) {\r
 130                                                 add = false;\r
 131                                                 break;\r
 132                                         }\r
 133                                 }\r
 134                                 if (add)\r
 135                                         cookieContainer.Add (c);\r
 136                         }\r
 137                 }\r
 138                 \r
 139                 protected override WebRequest GetWebRequest (Uri uri)\r
 140                 {\r
 141                         WebRequest req = base.GetWebRequest (uri);\r
 142                         HttpWebRequest request = req as HttpWebRequest;\r
 143                         if (request == null)\r
 144                                 return req;\r
 145 \r
 146                         request.AllowAutoRedirect = allowAutoRedirect;\r
 147                         if (clientCertificates != null)\r
 148                                 request.ClientCertificates.AddRange (clientCertificates);\r
 149 \r
 150                         request.CookieContainer = cookieContainer;\r
 151                         if (proxy != null)\r
 152                                 request.Proxy = proxy;\r
 153 \r
 154                         request.UserAgent = userAgent;\r
 155 \r
 156 #if NET_1_1\r
 157                 //      request.UnsafeAuthenticatedConnectionSharing = _unsafeAuthenticated;\r
 158 #endif\r
 159 \r
 160                         return request;\r
 161                 }\r
 162 \r
 163                 protected override WebResponse GetWebResponse (WebRequest request)\r
 164                 {\r
 165                         WebResponse response = base.GetWebResponse (request);\r
 166                         HttpWebResponse wr = response as HttpWebResponse;\r
 167                         if (wr != null)\r
 168                                 CheckForCookies (wr);\r
 169                                 \r
 170                         return response;\r
 171                 }\r
 172 \r
 173                 protected override WebResponse GetWebResponse (WebRequest request, IAsyncResult result)\r
 174                 {\r
 175                         WebResponse response = base.GetWebResponse (request, result);\r
 176                         HttpWebResponse wr = response as HttpWebResponse;\r
 177                         if (wr != null)\r
 178                                 CheckForCookies (wr);\r
 179                                 \r
 180                         return response;\r
 181                 }\r
 182 \r
 183                 #endregion // Methods\r
 184         }\r
 185 }\r