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AssetServerDeleteHandler.cs 4.1 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.Servers.HttpServer;
  41. namespace OpenSim.Server.Handlers.Asset
  42. {
  43. /// <summary>
  44. /// Remote deletes allowed.
  45. /// </summary>
  46. public enum AllowedRemoteDeleteTypes
  47. {
  48. None,
  49. MapTile,
  50. All
  51. }
  52. public class AssetServerDeleteHandler : BaseStreamHandler
  53. {
  54. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  55. private IAssetService m_AssetService;
  56. /// <summary>
  57. /// Asset types that can be deleted remotely.
  58. /// </summary>
  59. private AllowedRemoteDeleteTypes m_allowedTypes;
  60. public AssetServerDeleteHandler(IAssetService service, AllowedRemoteDeleteTypes allowedTypes) :
  61. base("DELETE", "/assets")
  62. {
  63. m_AssetService = service;
  64. m_allowedTypes = allowedTypes;
  65. }
  66. protected override byte[] ProcessRequest(string path, Stream request,
  67. IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
  68. {
  69. bool result = false;
  70. string[] p = SplitParams(path);
  71. if (p.Length > 0)
  72. {
  73. if (m_allowedTypes != AllowedRemoteDeleteTypes.None)
  74. {
  75. string assetID = p[0];
  76. AssetBase asset = m_AssetService.Get(assetID);
  77. if (asset != null)
  78. {
  79. if (m_allowedTypes == AllowedRemoteDeleteTypes.All
  80. || (int)(asset.Flags & AssetFlags.Maptile) != 0)
  81. {
  82. result = m_AssetService.Delete(assetID);
  83. }
  84. else
  85. {
  86. m_log.DebugFormat(
  87. "[ASSET SERVER DELETE HANDLER]: Request to delete asset {0}, but type is {1} and allowed remote delete types are {2}",
  88. assetID, (AssetFlags)asset.Flags, m_allowedTypes);
  89. }
  90. }
  91. }
  92. }
  93. XmlSerializer xs = new XmlSerializer(typeof(bool));
  94. return ServerUtils.SerializeResult(xs, result);
  95. }
  96. }
  97. }