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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 System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Threading;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Framework.Monitoring;
using OpenSim.Region.ClientStack.LindenUDP;
using OpenSim.Region.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using OpenSim.Services.Connectors.Hypergrid;
using OpenMetaverse;
using OpenMetaverse.Packets;
using log4net;
using Nini.Config;
using Mono.Addins;
using DirFindFlags = OpenMetaverse.DirectoryManager.DirFindFlags;
namespace OpenSim.Region.CoreModules.Framework.UserManagement
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "UserManagementModule")]
public class UserManagementModule : ISharedRegionModule, IUserManagement, IPeople
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected bool m_Enabled;
protected List<Scene> m_Scenes = new List<Scene>();
protected IServiceThrottleModule m_ServiceThrottle;
// The cache
protected Dictionary<UUID, UserData> m_UserCache = new Dictionary<UUID, UserData>();
#region ISharedRegionModule
public void Initialise(IConfigSource config)
{
string umanmod = config.Configs["Modules"].GetString("UserManagementModule", Name);
if (umanmod == Name)
{
m_Enabled = true;
Init();
m_log.DebugFormat("[USER MANAGEMENT MODULE]: {0} is enabled", Name);
}
}
public bool IsSharedModule
{
get { return true; }
}
public virtual string Name
{
get { return "BasicUserManagementModule"; }
}
public Type ReplaceableInterface
{
get { return null; }
}
public void AddRegion(Scene scene)
{
if (m_Enabled)
{
m_Scenes.Add(scene);
scene.RegisterModuleInterface<IUserManagement>(this);
scene.RegisterModuleInterface<IPeople>(this);
scene.EventManager.OnNewClient += new EventManager.OnNewClientDelegate(EventManager_OnNewClient);
scene.EventManager.OnPrimsLoaded += new EventManager.PrimsLoaded(EventManager_OnPrimsLoaded);
}
}
public void RemoveRegion(Scene scene)
{
if (m_Enabled)
{
scene.UnregisterModuleInterface<IUserManagement>(this);
m_Scenes.Remove(scene);
}
}
public void RegionLoaded(Scene s)
{
if (m_Enabled && m_ServiceThrottle == null)
m_ServiceThrottle = s.RequestModuleInterface<IServiceThrottleModule>();
}
public void PostInitialise()
{
}
public void Close()
{
m_Scenes.Clear();
lock (m_UserCache)
m_UserCache.Clear();
}
#endregion ISharedRegionModule
#region Event Handlers
void EventManager_OnPrimsLoaded(Scene s)
{
// let's sniff all the user names referenced by objects in the scene
m_log.DebugFormat("[USER MANAGEMENT MODULE]: Caching creators' data from {0} ({1} objects)...", s.RegionInfo.RegionName, s.GetEntities().Length);
s.ForEachSOG(delegate(SceneObjectGroup sog) { CacheCreators(sog); });
}
void EventManager_OnNewClient(IClientAPI client)
{
client.OnConnectionClosed += new Action<IClientAPI>(HandleConnectionClosed);
client.OnNameFromUUIDRequest += new UUIDNameRequest(HandleUUIDNameRequest);
client.OnAvatarPickerRequest += new AvatarPickerRequest(HandleAvatarPickerRequest);
}
void HandleConnectionClosed(IClientAPI client)
{
client.OnNameFromUUIDRequest -= new UUIDNameRequest(HandleUUIDNameRequest);
client.OnAvatarPickerRequest -= new AvatarPickerRequest(HandleAvatarPickerRequest);
}
void HandleUUIDNameRequest(UUID uuid, IClientAPI client)
{
// m_log.DebugFormat(
// "[USER MANAGEMENT MODULE]: Handling request for name binding of UUID {0} from {1}",
// uuid, remote_client.Name);
if (m_Scenes[0].LibraryService != null && (m_Scenes[0].LibraryService.LibraryRootFolder.Owner == uuid))
{
client.SendNameReply(uuid, "Mr", "OpenSim");
}
else
{
string[] names = new string[2];
if (TryGetUserNamesFromCache(uuid, names))
{
client.SendNameReply(uuid, names[0], names[1]);
return;
}
// Not found in cache, queue continuation
m_ServiceThrottle.Enqueue("name", uuid.ToString(), delegate
{
//m_log.DebugFormat("[YYY]: Name request {0}", uuid);
// As least upto September 2013, clients permanently cache UUID -> Name bindings. Some clients
// appear to clear this when the user asks it to clear the cache, but others may not.
//
// So to avoid clients
// (particularly Hypergrid clients) permanently binding "Unknown User" to a given UUID, we will
// instead drop the request entirely.
if (TryGetUserNames(uuid, names))
client.SendNameReply(uuid, names[0], names[1]);
// else
// m_log.DebugFormat(
// "[USER MANAGEMENT MODULE]: No bound name for {0} found, ignoring request from {1}",
// uuid, client.Name);
});
}
}
public void HandleAvatarPickerRequest(IClientAPI client, UUID avatarID, UUID RequestID, string query)
{
//EventManager.TriggerAvatarPickerRequest();
m_log.DebugFormat("[USER MANAGEMENT MODULE]: HandleAvatarPickerRequest for {0}", query);
List<UserData> users = GetUserData(query, 500, 1);
AvatarPickerReplyPacket replyPacket = (AvatarPickerReplyPacket)PacketPool.Instance.GetPacket(PacketType.AvatarPickerReply);
// TODO: don't create new blocks if recycling an old packet
AvatarPickerReplyPacket.DataBlock[] searchData =
new AvatarPickerReplyPacket.DataBlock[users.Count];
AvatarPickerReplyPacket.AgentDataBlock agentData = new AvatarPickerReplyPacket.AgentDataBlock();
agentData.AgentID = avatarID;
agentData.QueryID = RequestID;
replyPacket.AgentData = agentData;
//byte[] bytes = new byte[AvatarResponses.Count*32];
int i = 0;
foreach (UserData item in users)
{
UUID translatedIDtem = item.Id;
searchData[i] = new AvatarPickerReplyPacket.DataBlock();
searchData[i].AvatarID = translatedIDtem;
searchData[i].FirstName = Utils.StringToBytes((string)item.FirstName);
searchData[i].LastName = Utils.StringToBytes((string)item.LastName);
i++;
}
if (users.Count == 0)
{
searchData = new AvatarPickerReplyPacket.DataBlock[0];
}
replyPacket.Data = searchData;
AvatarPickerReplyAgentDataArgs agent_data = new AvatarPickerReplyAgentDataArgs();
agent_data.AgentID = replyPacket.AgentData.AgentID;
agent_data.QueryID = replyPacket.AgentData.QueryID;
List<AvatarPickerReplyDataArgs> data_args = new List<AvatarPickerReplyDataArgs>();
for (i = 0; i < replyPacket.Data.Length; i++)
{
AvatarPickerReplyDataArgs data_arg = new AvatarPickerReplyDataArgs();
data_arg.AvatarID = replyPacket.Data[i].AvatarID;
data_arg.FirstName = replyPacket.Data[i].FirstName;
data_arg.LastName = replyPacket.Data[i].LastName;
data_args.Add(data_arg);
}
client.SendAvatarPickerReply(agent_data, data_args);
}
protected virtual void AddAdditionalUsers(string query, List<UserData> users)
{
}
#endregion Event Handlers
#region IPeople
public List<UserData> GetUserData(string query, int page_size, int page_number)
{
// search the user accounts service
List<UserAccount> accs = m_Scenes[0].UserAccountService.GetUserAccounts(m_Scenes[0].RegionInfo.ScopeID, query);
List<UserData> users = new List<UserData>();
if (accs != null)
{
foreach (UserAccount acc in accs)
{
UserData ud = new UserData();
ud.FirstName = acc.FirstName;
ud.LastName = acc.LastName;
ud.Id = acc.PrincipalID;
users.Add(ud);
}
}
// search the local cache
lock (m_UserCache)
{
foreach (UserData data in m_UserCache.Values)
{
if (data.Id != UUID.Zero &&
users.Find(delegate(UserData d) { return d.Id == data.Id; }) == null &&
(data.FirstName.ToLower().StartsWith(query.ToLower()) || data.LastName.ToLower().StartsWith(query.ToLower())))
users.Add(data);
}
}
AddAdditionalUsers(query, users);
return users;
}
#endregion IPeople
private void CacheCreators(SceneObjectGroup sog)
{
//m_log.DebugFormat("[USER MANAGEMENT MODULE]: processing {0} {1}; {2}", sog.RootPart.Name, sog.RootPart.CreatorData, sog.RootPart.CreatorIdentification);
AddUser(sog.RootPart.CreatorID, sog.RootPart.CreatorData);
foreach (SceneObjectPart sop in sog.Parts)
{
AddUser(sop.CreatorID, sop.CreatorData);
foreach (TaskInventoryItem item in sop.TaskInventory.Values)
AddUser(item.CreatorID, item.CreatorData);
}
}
/// <summary>
///
/// </summary>
/// <param name="uuid"></param>
/// <param name="names">Caller please provide a properly instantiated array for names, string[2]</param>
/// <returns></returns>
private bool TryGetUserNames(UUID uuid, string[] names)
{
if (names == null)
names = new string[2];
if (TryGetUserNamesFromCache(uuid, names))
return true;
if (TryGetUserNamesFromServices(uuid, names))
return true;
return false;
}
private bool TryGetUserNamesFromCache(UUID uuid, string[] names)
{
lock (m_UserCache)
{
if (m_UserCache.ContainsKey(uuid))
{
names[0] = m_UserCache[uuid].FirstName;
names[1] = m_UserCache[uuid].LastName;
return true;
}
}
return false;
}
/// <summary>
/// Try to get the names bound to the given uuid, from the services.
/// </summary>
/// <returns>True if the name was found, false if not.</returns>
/// <param name='uuid'></param>
/// <param name='names'>The array of names if found. If not found, then names[0] = "Unknown" and names[1] = "User"</param>
private bool TryGetUserNamesFromServices(UUID uuid, string[] names)
{
UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(UUID.Zero, uuid);
if (account != null)
{
names[0] = account.FirstName;
names[1] = account.LastName;
UserData user = new UserData();
user.FirstName = account.FirstName;
user.LastName = account.LastName;
lock (m_UserCache)
m_UserCache[uuid] = user;
return true;
}
else
{
// Let's try the GridUser service
GridUserInfo uInfo = m_Scenes[0].GridUserService.GetGridUserInfo(uuid.ToString());
if (uInfo != null)
{
string url, first, last, tmp;
UUID u;
if (Util.ParseUniversalUserIdentifier(uInfo.UserID, out u, out url, out first, out last, out tmp))
{
AddUser(uuid, first, last, url);
if (m_UserCache.ContainsKey(uuid))
{
names[0] = m_UserCache[uuid].FirstName;
names[1] = m_UserCache[uuid].LastName;
return true;
}
}
else
m_log.DebugFormat("[USER MANAGEMENT MODULE]: Unable to parse UUI {0}", uInfo.UserID);
}
else
{
m_log.DebugFormat("[USER MANAGEMENT MODULE]: No grid user found for {0}", uuid);
}
names[0] = "Unknown";
names[1] = "UserUMMTGUN9";
return false;
}
}
#region IUserManagement
public UUID GetUserIdByName(string name)
{
string[] parts = name.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2)
throw new Exception("Name must have 2 components");
return GetUserIdByName(parts[0], parts[1]);
}
public UUID GetUserIdByName(string firstName, string lastName)
{
// TODO: Optimize for reverse lookup if this gets used by non-console commands.
lock (m_UserCache)
{
foreach (UserData user in m_UserCache.Values)
{
if (user.FirstName == firstName && user.LastName == lastName)
return user.Id;
}
}
UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(UUID.Zero, firstName, lastName);
if (account != null)
return account.PrincipalID;
return UUID.Zero;
}
public string GetUserName(UUID uuid)
{
string[] names = new string[2];
TryGetUserNames(uuid, names);
return names[0] + " " + names[1];
}
public string GetUserHomeURL(UUID userID)
{
lock (m_UserCache)
{
if (m_UserCache.ContainsKey(userID))
return m_UserCache[userID].HomeURL;
}
return string.Empty;
}
public string GetUserServerURL(UUID userID, string serverType)
{
UserData userdata;
lock (m_UserCache)
m_UserCache.TryGetValue(userID, out userdata);
if (userdata != null)
{
// m_log.DebugFormat("[USER MANAGEMENT MODULE]: Requested url type {0} for {1}", serverType, userID);
if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
{
return userdata.ServerURLs[serverType].ToString();
}
if (!string.IsNullOrEmpty(userdata.HomeURL))
{
//m_log.DebugFormat(
// "[USER MANAGEMENT MODULE]: Did not find url type {0} so requesting urls from '{1}' for {2}",
// serverType, userdata.HomeURL, userID);
UserAgentServiceConnector uConn = new UserAgentServiceConnector(userdata.HomeURL);
try
{
userdata.ServerURLs = uConn.GetServerURLs(userID);
}
catch (Exception e)
{
m_log.Debug("[USER MANAGEMENT MODULE]: GetServerURLs call failed ", e);
userdata.ServerURLs = new Dictionary<string, object>();
}
if (userdata.ServerURLs != null && userdata.ServerURLs.ContainsKey(serverType) && userdata.ServerURLs[serverType] != null)
return userdata.ServerURLs[serverType].ToString();
}
}
return string.Empty;
}
public string GetUserUUI(UUID userID)
{
UserData ud;
lock (m_UserCache)
m_UserCache.TryGetValue(userID, out ud);
if (ud == null) // It's not in the cache
{
string[] names = new string[2];
// This will pull the data from either UserAccounts or GridUser
// and stick it into the cache
TryGetUserNamesFromServices(userID, names);
lock (m_UserCache)
m_UserCache.TryGetValue(userID, out ud);
}
if (ud != null)
{
string homeURL = ud.HomeURL;
string first = ud.FirstName, last = ud.LastName;
if (ud.LastName.StartsWith("@"))
{
string[] parts = ud.FirstName.Split('.');
if (parts.Length >= 2)
{
first = parts[0];
last = parts[1];
}
return userID + ";" + homeURL + ";" + first + " " + last;
}
}
return userID.ToString();
}
public void AddUser(UUID uuid, string first, string last)
{
lock (m_UserCache)
{
if (m_UserCache.ContainsKey(uuid))
return;
}
UserData user = new UserData();
user.Id = uuid;
user.FirstName = first;
user.LastName = last;
AddUserInternal(user);
}
public void AddUser(UUID uuid, string first, string last, string homeURL)
{
//m_log.DebugFormat("[USER MANAGEMENT MODULE]: Adding user with id {0}, first {1}, last {2}, url {3}", uuid, first, last, homeURL);
if (homeURL == string.Empty)
return;
AddUser(uuid, homeURL + ";" + first + " " + last);
}
public void AddUser(UUID id, string creatorData)
{
//m_log.DebugFormat("[USER MANAGEMENT MODULE]: Adding user with id {0}, creatorData {1}", id, creatorData);
UserData oldUser;
lock (m_UserCache)
m_UserCache.TryGetValue(id, out oldUser);
if (oldUser != null)
{
if (string.IsNullOrEmpty(creatorData))
{
//ignore updates without creator data
return;
}
//try update unknown users, but don't update anyone else
if (oldUser.FirstName == "Unknown" && !creatorData.Contains("Unknown"))
{
lock (m_UserCache)
m_UserCache.Remove(id);
m_log.DebugFormat("[USER MANAGEMENT MODULE]: Re-adding user with id {0}, creatorData [{1}] and old HomeURL {2}", id, creatorData, oldUser.HomeURL);
}
else
{
//we have already a valid user within the cache
return;
}
}
UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, id);
if (account != null)
{
AddUser(id, account.FirstName, account.LastName);
}
else
{
UserData user = new UserData();
user.Id = id;
if (!string.IsNullOrEmpty(creatorData))
{
//creatorData = <endpoint>;<name>
string[] parts = creatorData.Split(';');
if (parts.Length >= 2)
user.FirstName = parts[1].Replace(' ', '.');
if (parts.Length >= 1)
{
user.HomeURL = parts[0];
try
{
Uri uri = new Uri(parts[0]);
user.LastName = "@" + uri.Authority;
}
catch (UriFormatException)
{
m_log.DebugFormat(
"[USER MANAGEMENT MODULE]: Unable to parse home URL {0} for user name {1}, ID {2} when adding user info.",
parts[0], user.FirstName ?? "Unknown", id);
user.LastName = "@unknown";
}
}
}
else
{
// Temporarily add unknown user entries of this type into the cache so that we can distinguish
// this source from other recent (hopefully resolved) bugs that fail to retrieve a user name binding
// TODO: Can be removed when GUN* unknown users have definitely dropped significantly or
// disappeared.
user.FirstName = "Unknown";
user.LastName = "UserUMMAU4";
}
AddUserInternal(user);
}
}
void AddUserInternal(UserData user)
{
lock (m_UserCache)
m_UserCache[user.Id] = user;
//m_log.DebugFormat(
// "[USER MANAGEMENT MODULE]: Added user {0} {1} {2} {3}",
// user.Id, user.FirstName, user.LastName, user.HomeURL);
}
public bool IsLocalGridUser(UUID uuid)
{
UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, uuid);
if (account == null || (account != null && !account.LocalToGrid))
return false;
return true;
}
#endregion IUserManagement
protected void Init()
{
AddUser(UUID.Zero, "Unknown", "User");
RegisterConsoleCmds();
}
protected void RegisterConsoleCmds()
{
MainConsole.Instance.Commands.AddCommand("Users", true,
"show name",
"show name <uuid>",
"Show the bindings between a single user UUID and a user name",
String.Empty,
HandleShowUser);
MainConsole.Instance.Commands.AddCommand("Users", true,
"show names",
"show names",
"Show the bindings between user UUIDs and user names",
String.Empty,
HandleShowUsers);
}
private void HandleShowUser(string module, string[] cmd)
{
if (cmd.Length < 3)
{
MainConsole.Instance.OutputFormat("Usage: show name <uuid>");
return;
}
UUID userId;
if (!ConsoleUtil.TryParseConsoleUuid(MainConsole.Instance, cmd[2], out userId))
return;
UserData ud;
lock (m_UserCache)
{
if (!m_UserCache.TryGetValue(userId, out ud))
{
MainConsole.Instance.OutputFormat("No name known for user with id {0}", userId);
return;
}
}
ConsoleDisplayTable cdt = new ConsoleDisplayTable();
cdt.AddColumn("UUID", 36);
cdt.AddColumn("Name", 30);
cdt.AddColumn("HomeURL", 40);
cdt.AddRow(userId, string.Format("{0} {1}", ud.FirstName, ud.LastName), ud.HomeURL);
MainConsole.Instance.Output(cdt.ToString());
}
private void HandleShowUsers(string module, string[] cmd)
{
ConsoleDisplayTable cdt = new ConsoleDisplayTable();
cdt.AddColumn("UUID", 36);
cdt.AddColumn("Name", 30);
cdt.AddColumn("HomeURL", 40);
lock (m_UserCache)
{
foreach (KeyValuePair<UUID, UserData> kvp in m_UserCache)
cdt.AddRow(kvp.Key, string.Format("{0} {1}", kvp.Value.FirstName, kvp.Value.LastName), kvp.Value.HomeURL);
}
MainConsole.Instance.Output(cdt.ToString());
}
}
}
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