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AssetServerDeleteHandler.cs 4.4 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 Nini.Config;
  28. using log4net;
  29. using System;
  30. using System.Reflection;
  31. using System.IO;
  32. using System.Net;
  33. using System.Text;
  34. using System.Text.RegularExpressions;
  35. using System.Xml;
  36. using System.Xml.Serialization;
  37. using OpenSim.Server.Base;
  38. using OpenSim.Services.Interfaces;
  39. using OpenSim.Framework;
  40. using OpenSim.Framework.ServiceAuth;
  41. using OpenSim.Framework.Servers.HttpServer;
  42. namespace OpenSim.Server.Handlers.Asset
  43. {
  44. /// <summary>
  45. /// Remote deletes allowed.
  46. /// </summary>
  47. public enum AllowedRemoteDeleteTypes
  48. {
  49. None,
  50. MapTile,
  51. All
  52. }
  53. public class AssetServerDeleteHandler : BaseStreamHandler
  54. {
  55. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  56. private IAssetService m_AssetService;
  57. /// <summary>
  58. /// Asset types that can be deleted remotely.
  59. /// </summary>
  60. private AllowedRemoteDeleteTypes m_allowedTypes;
  61. public AssetServerDeleteHandler(IAssetService service, AllowedRemoteDeleteTypes allowedTypes) :
  62. base("DELETE", "/assets")
  63. {
  64. m_AssetService = service;
  65. m_allowedTypes = allowedTypes;
  66. }
  67. public AssetServerDeleteHandler(IAssetService service, AllowedRemoteDeleteTypes allowedTypes, IServiceAuth auth) :
  68. base("DELETE", "/assets", auth)
  69. {
  70. m_AssetService = service;
  71. m_allowedTypes = allowedTypes;
  72. }
  73. protected override byte[] ProcessRequest(string path, Stream request,
  74. IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
  75. {
  76. bool result = false;
  77. string[] p = SplitParams(path);
  78. if (p.Length > 0)
  79. {
  80. if (m_allowedTypes != AllowedRemoteDeleteTypes.None)
  81. {
  82. string assetID = p[0];
  83. AssetBase asset = m_AssetService.Get(assetID);
  84. if (asset != null)
  85. {
  86. if (m_allowedTypes == AllowedRemoteDeleteTypes.All
  87. || (int)(asset.Flags & AssetFlags.Maptile) != 0)
  88. {
  89. result = m_AssetService.Delete(assetID);
  90. }
  91. else
  92. {
  93. m_log.DebugFormat(
  94. "[ASSET SERVER DELETE HANDLER]: Request to delete asset {0}, but type is {1} and allowed remote delete types are {2}",
  95. assetID, (AssetFlags)asset.Flags, m_allowedTypes);
  96. }
  97. }
  98. }
  99. }
  100. XmlSerializer xs = new XmlSerializer(typeof(bool));
  101. return ServerUtils.SerializeResult(xs, result);
  102. }
  103. }
  104. }