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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using log4net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Services.Interfaces;
using OpenMetaverse;
namespace OpenSim.Services.Connectors
{
public class InventoryServicesConnector : ISessionAuthInventoryService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private string m_ServerURI = String.Empty;
private Dictionary<UUID, InventoryReceiptCallback> m_RequestingInventory = new Dictionary<UUID, InventoryReceiptCallback>();
private Dictionary<UUID, DateTime> m_RequestTime = new Dictionary<UUID, DateTime>();
public InventoryServicesConnector()
{
}
public InventoryServicesConnector(string serverURI)
{
m_ServerURI = serverURI.TrimEnd('/');
}
public InventoryServicesConnector(IConfigSource source)
{
Initialise(source);
}
public virtual void Initialise(IConfigSource source)
{
IConfig inventoryConfig = source.Configs["InventoryService"];
if (inventoryConfig == null)
{
m_log.Error("[INVENTORY CONNECTOR]: InventoryService missing from OpenSim.ini");
throw new Exception("InventoryService missing from OpenSim.ini");
}
string serviceURI = inventoryConfig.GetString("InventoryServerURI",
String.Empty);
if (serviceURI == String.Empty)
{
m_log.Error("[INVENTORY CONNECTOR]: No Server URI named in section InventoryService");
throw new Exception("Unable to proceed. Please make sure your ini files in config-include are updated according to .example's");
}
m_ServerURI = serviceURI.TrimEnd('/');
}
#region ISessionAuthInventoryService
public string Host
{
get { return m_ServerURI; }
}
/// <summary>
/// Caller must catch eventual Exceptions.
/// </summary>
/// <param name="userID"></param>
/// <param name="sessionID"></param>
/// <param name="callback"></param>
public void GetUserInventory(string userIDStr, UUID sessionID, InventoryReceiptCallback callback)
{
UUID userID = UUID.Zero;
if (UUID.TryParse(userIDStr, out userID))
{
lock (m_RequestingInventory)
{
// *HACK ALERT*
// If an inventory request times out, it blocks any further requests from the
// same user, even after a relog. This is bad, and makes me sad.
// Really, we should detect a timeout and report a failure to the callback,
// BUT in my testing i found that it's hard to detect a timeout.. sometimes,
// a partial response is recieved, and sometimes a null response.
// So, for now, add a timer of ten seconds (which is the request timeout).
// This should basically have the same effect.
lock (m_RequestTime)
{
if (m_RequestTime.ContainsKey(userID))
{
TimeSpan interval = DateTime.Now - m_RequestTime[userID];
if (interval.TotalSeconds > 10)
{
m_RequestTime.Remove(userID);
if (m_RequestingInventory.ContainsKey(userID))
{
m_RequestingInventory.Remove(userID);
}
}
}
if (!m_RequestingInventory.ContainsKey(userID))
{
m_RequestTime.Add(userID, DateTime.Now);
m_RequestingInventory.Add(userID, callback);
}
else
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetUserInventory - ignoring repeated request for user {0}", userID);
return;
}
}
}
m_log.InfoFormat(
"[INVENTORY CONNECTOR]: Requesting inventory from {0}/GetInventory/ for user {1}",
m_ServerURI, userID);
RestSessionObjectPosterResponse<Guid, InventoryCollection> requester
= new RestSessionObjectPosterResponse<Guid, InventoryCollection>();
requester.ResponseCallback = InventoryResponse;
requester.BeginPostObject(m_ServerURI + "/GetInventory/", userID.Guid, sessionID.ToString(), userID.ToString());
}
}
/// <summary>
/// Gets the user folder for the given folder-type
/// </summary>
/// <param name="userID"></param>
/// <param name="type"></param>
/// <returns></returns>
public Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(string userID, UUID sessionID)
{
List<InventoryFolderBase> folders = null;
Dictionary<AssetType, InventoryFolderBase> dFolders = new Dictionary<AssetType, InventoryFolderBase>();
try
{
folders = SynchronousRestSessionObjectPoster<Guid, List<InventoryFolderBase>>.BeginPostObject(
"POST", m_ServerURI + "/SystemFolders/", new Guid(userID), sessionID.ToString(), userID.ToString());
foreach (InventoryFolderBase f in folders)
dFolders[(AssetType)f.Type] = f;
return dFolders;
}
catch (Exception e)
{
// Maybe we're talking to an old inventory server. Try this other thing.
m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetSystemFolders operation failed, {0} {1}. Trying RootFolders.",
e.Source, e.Message);
try
{
folders = SynchronousRestSessionObjectPoster<Guid, List<InventoryFolderBase>>.BeginPostObject(
"POST", m_ServerURI + "/RootFolders/", new Guid(userID), sessionID.ToString(), userID.ToString());
}
catch (Exception ex)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: RootFolders operation also failed, {0} {1}. Give up.",
e.Source, ex.Message);
}
if ((folders != null) && (folders.Count > 0))
{
dFolders[AssetType.Folder] = folders[0]; // Root folder is the first one
folders.RemoveAt(0);
foreach (InventoryFolderBase f in folders)
{
if ((f.Type != (short)AssetType.Folder) && (f.Type != (short)AssetType.Unknown))
dFolders[(AssetType)f.Type] = f;
}
return dFolders;
}
}
return new Dictionary<AssetType, InventoryFolderBase>();
}
/// <summary>
/// Gets everything (folders and items) inside a folder
/// </summary>
/// <param name="userId"></param>
/// <param name="folderID"></param>
/// <returns></returns>
public InventoryCollection GetFolderContent(string userID, UUID folderID, UUID sessionID)
{
try
{
// normal case
return SynchronousRestSessionObjectPoster<Guid, InventoryCollection>.BeginPostObject(
"POST", m_ServerURI + "/GetFolderContent/", folderID.Guid, sessionID.ToString(), userID.ToString());
}
catch (Exception e)
{
// Maybe we're talking to an old inventory server. Try this other thing.
m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetFolderForType operation failed, {0} {1}. Trying RootFolders and GetItems.",
e.Source, e.Message);
List<InventoryFolderBase> folders = null;
try
{
folders = SynchronousRestSessionObjectPoster<Guid, List<InventoryFolderBase>>.BeginPostObject(
"POST", m_ServerURI + "/RootFolders/", new Guid(userID), sessionID.ToString(), userID.ToString());
}
catch (Exception ex)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: RootFolders operation also failed, {0} {1}. Give up.",
e.Source, ex.Message);
}
if ((folders != null) && (folders.Count > 0))
{
folders = folders.FindAll(delegate (InventoryFolderBase f) { return f.ParentID == folderID ; });
try
{
List<InventoryItemBase> items = SynchronousRestSessionObjectPoster<Guid, List<InventoryItemBase>>.BeginPostObject(
"POST", m_ServerURI + "/GetItems/", folderID.Guid, sessionID.ToString(), userID.ToString());
if (items != null)
{
InventoryCollection result = new InventoryCollection();
result.Folders = folders;
result.Items = items;
result.UserID = new UUID(userID);
return result;
}
}
catch (Exception ex)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: QueryFolder and GetItems operation failed, {0} {1}. Give up.",
e.Source, ex.Message);
}
}
}
return null;
}
public bool AddFolder(string userID, InventoryFolderBase folder, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryFolderBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/NewFolder/", folder, sessionID.ToString(), folder.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Add new inventory folder operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public bool UpdateFolder(string userID, InventoryFolderBase folder, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryFolderBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/UpdateFolder/", folder, sessionID.ToString(), folder.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Update inventory folder operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public bool MoveFolder(string userID, InventoryFolderBase folder, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryFolderBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/MoveFolder/", folder, sessionID.ToString(), folder.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Move inventory folder operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public bool PurgeFolder(string userID, InventoryFolderBase folder, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryFolderBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/PurgeFolder/", folder, sessionID.ToString(), folder.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Move inventory folder operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public List<InventoryItemBase> GetFolderItems(string userID, UUID folderID, UUID sessionID)
{
try
{
InventoryFolderBase folder = new InventoryFolderBase(folderID, new UUID(userID));
return SynchronousRestSessionObjectPoster<InventoryFolderBase, List<InventoryItemBase>>.BeginPostObject(
"POST", m_ServerURI + "/GetItems/", folder, sessionID.ToString(), userID);
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Get folder items operation failed, {0} {1}",
e.Source, e.Message);
}
return null;
}
public bool AddItem(string userID, InventoryItemBase item, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryItemBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/NewItem/", item, sessionID.ToString(), item.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Add new inventory item operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public bool UpdateItem(string userID, InventoryItemBase item, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryItemBase, bool>.BeginPostObject(
"POST", m_ServerURI + "/NewItem/", item, sessionID.ToString(), item.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Update new inventory item operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public bool DeleteItems(string userID, List<UUID> items, UUID sessionID)
{
try
{
List<Guid> guids = new List<Guid>();
foreach (UUID u in items)
guids.Add(u.Guid);
return SynchronousRestSessionObjectPoster<List<Guid>, bool>.BeginPostObject(
"POST", m_ServerURI + "/DeleteItem/", guids, sessionID.ToString(), userID);
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Delete inventory item operation failed, {0} {1}",
e.Source, e.Message);
}
return false;
}
public InventoryItemBase QueryItem(string userID, InventoryItemBase item, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryItemBase, InventoryItemBase>.BeginPostObject(
"POST", m_ServerURI + "/QueryItem/", item, sessionID.ToString(), item.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Query inventory item operation failed, {0} {1}",
e.Source, e.Message);
}
return null;
}
public InventoryFolderBase QueryFolder(string userID, InventoryFolderBase item, UUID sessionID)
{
try
{
return SynchronousRestSessionObjectPoster<InventoryFolderBase, InventoryFolderBase>.BeginPostObject(
"POST", m_ServerURI + "/QueryFolder/", item, sessionID.ToString(), item.Owner.ToString());
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Query inventory item operation failed, {0} {1}",
e.Source, e.Message);
}
return null;
}
public int GetAssetPermissions(string userID, UUID assetID, UUID sessionID)
{
try
{
InventoryItemBase item = new InventoryItemBase();
item.Owner = new UUID(userID);
item.AssetID = assetID;
return SynchronousRestSessionObjectPoster<InventoryItemBase, int>.BeginPostObject(
"POST", m_ServerURI + "/AssetPermissions/", item, sessionID.ToString(), userID);
}
catch (Exception e)
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: AssetPermissions operation failed, {0} {1}",
e.Source, e.Message);
}
return 0;
}
#endregion
/// <summary>
/// Callback used by the inventory server GetInventory request
/// </summary>
/// <param name="userID"></param>
private void InventoryResponse(InventoryCollection response)
{
UUID userID = response.UserID;
InventoryReceiptCallback callback = null;
lock (m_RequestingInventory)
{
if (m_RequestingInventory.ContainsKey(userID))
{
callback = m_RequestingInventory[userID];
m_RequestingInventory.Remove(userID);
lock (m_RequestTime)
{
if (m_RequestTime.ContainsKey(userID))
{
m_RequestTime.Remove(userID);
}
}
}
else
{
m_log.WarnFormat(
"[INVENTORY CONNECTOR]: " +
"Received inventory response for {0} for which we do not have a record of requesting!",
userID);
return;
}
}
m_log.InfoFormat("[INVENTORY CONNECTOR]: " +
"Received inventory response for user {0} containing {1} folders and {2} items",
userID, response.Folders.Count, response.Items.Count);
InventoryFolderImpl rootFolder = null;
ICollection<InventoryFolderImpl> folders = new List<InventoryFolderImpl>();
ICollection<InventoryItemBase> items = new List<InventoryItemBase>();
foreach (InventoryFolderBase folder in response.Folders)
{
if (folder.ParentID == UUID.Zero)
{
rootFolder = new InventoryFolderImpl(folder);
folders.Add(rootFolder);
break;
}
}
if (rootFolder != null)
{
foreach (InventoryFolderBase folder in response.Folders)
{
if (folder.ID != rootFolder.ID)
{
folders.Add(new InventoryFolderImpl(folder));
}
}
foreach (InventoryItemBase item in response.Items)
{
items.Add(item);
}
}
else
{
m_log.ErrorFormat("[INVENTORY CONNECTOR]: Did not get back an inventory containing a root folder for user {0}", userID);
}
callback(folders, items);
}
}
}
|