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BaseStreamHandler.cs 3.4 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System.IO;
  28. using System.Net;
  29. using OpenSim.Framework.ServiceAuth;
  30. namespace OpenSim.Framework.Servers.HttpServer
  31. {
  32. /// <summary>
  33. /// Base streamed request handler.
  34. /// </summary>
  35. /// <remarks>
  36. /// Inheriting classes should override ProcessRequest() rather than Handle()
  37. /// </remarks>
  38. public abstract class BaseStreamHandler : BaseRequestHandler, IStreamedRequestHandler
  39. {
  40. protected IServiceAuth m_Auth;
  41. protected BaseStreamHandler(string httpMethod, string path) : this(httpMethod, path, null, null) { }
  42. protected BaseStreamHandler(string httpMethod, string path, string name, string description)
  43. : base(httpMethod, path, name, description) {}
  44. protected BaseStreamHandler(string httpMethod, string path, IServiceAuth auth)
  45. : base(httpMethod, path, null, null)
  46. {
  47. m_Auth = auth;
  48. }
  49. public virtual byte[] Handle(
  50. string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
  51. {
  52. RequestsReceived++;
  53. if (m_Auth != null)
  54. {
  55. HttpStatusCode statusCode;
  56. if (!m_Auth.Authenticate(httpRequest.Headers, httpResponse.AddHeader, out statusCode))
  57. {
  58. httpResponse.StatusCode = (int)statusCode;
  59. httpResponse.ContentType = "text/plain";
  60. return new byte[0];
  61. }
  62. }
  63. byte[] result = ProcessRequest(path, request, httpRequest, httpResponse);
  64. RequestsHandled++;
  65. return result;
  66. }
  67. protected virtual byte[] ProcessRequest(
  68. string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
  69. {
  70. return null;
  71. }
  72. }
  73. }