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More on HG Friends. Added Delete(string, string) across the board. Added security to friendship identifiers so that they can safely be deleted across worlds. Had to change Get(string) to use LIKE because the secret in the identifier is not always known -- affects only HG visitors. BOTTOM LINE SO FAR: HG friendships established and deleted safely across grids, local rights working but not (yet?) being transmitted back.

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This commit is contained in:
Diva Canto
2011-05-22 16:51:03 -07:00
parent fed3cc630e
commit 336665e035
18 changed files with 396 additions and 214 deletions
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111
OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
View File

@@ -272,11 +272,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
}
}
protected virtual FriendInfo[] GetFriendsFromService(IClientAPI client)
{
return FriendsService.GetFriends(client.AgentId);
}
private void OnClientClosed(UUID agentID, Scene scene)
{
ScenePresence sp = scene.GetScenePresence(agentID);
@@ -300,7 +295,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
private void OnMakeRootAgent(ScenePresence sp)
{
UpdateFriendsCache(sp.ControllingClient);
RefetchFriends(sp.ControllingClient);
}
private void OnClientLogin(IClientAPI client)
@@ -544,11 +539,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
}
}
protected virtual void StoreBackwards(UUID friendID, UUID agentID)
{
FriendsService.StoreFriend(friendID.ToString(), agentID.ToString(), 0);
}
private void ForwardFriendshipOffer(UUID agentID, UUID friendID, GridInstantMessage im)
{
// !!!!!!!! This is a hack so that we don't have to keep state (transactionID/imSessionID)
@@ -587,7 +577,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
StoreFriendships(agentID, friendID);
// Update the local cache
UpdateFriendsCache(client);
RefetchFriends(client);
//
// Notify the friend
@@ -614,18 +604,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
}
}
protected virtual void StoreFriendships(UUID agentID, UUID friendID)
{
FriendsService.StoreFriend(agentID.ToString(), friendID.ToString(), 1);
FriendsService.StoreFriend(friendID.ToString(), agentID.ToString(), 1);
}
private void OnDenyFriendRequest(IClientAPI client, UUID agentID, UUID friendID, List<UUID> callingCardFolders)
{
m_log.DebugFormat("[FRIENDS]: {0} denied friendship to {1}", agentID, friendID);
FriendsService.Delete(agentID, friendID.ToString());
FriendsService.Delete(friendID, agentID.ToString());
DeleteFriendship(agentID, friendID);
//
// Notify the friend
@@ -652,10 +635,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
private void OnTerminateFriendship(IClientAPI client, UUID agentID, UUID exfriendID)
{
DeleteFriendship(agentID, exfriendID);
if (!DeleteFriendship(agentID, exfriendID))
client.SendAlertMessage("Unable to terminate friendship on this sim.");
// Update local cache
UpdateFriendsCache(client);
RefetchFriends(client);
client.SendTerminateFriend(exfriendID);
@@ -679,12 +663,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
}
}
protected virtual void DeleteFriendship(UUID agentID, UUID exfriendID)
{
FriendsService.Delete(agentID, exfriendID.ToString());
FriendsService.Delete(exfriendID, agentID.ToString());
}
private void OnGrantUserRights(IClientAPI remoteClient, UUID requester, UUID target, int rights)
{
m_log.DebugFormat("[FRIENDS MODULE]: User {0} changing rights to {1} for friend {2}", requester, rights, target);
@@ -702,7 +680,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
if (friend != null) // Found it
{
// Store it on the DB
if (!SimpleStore(requester, target, rights))
if (!StoreRights(requester, target, rights))
{
remoteClient.SendAlertMessage("Unable to grant rights.");
return;
@@ -740,12 +718,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
m_log.DebugFormat("[FRIENDS MODULE]: friend {0} not found for {1}", target, requester);
}
protected virtual bool SimpleStore(UUID agentID, UUID friendID, int rights)
{
FriendsService.StoreFriend(agentID.ToString(), friendID.ToString(), rights);
return true;
}
protected virtual FriendInfo GetFriend(FriendInfo[] friends, UUID friendID)
{
foreach (FriendInfo fi in friends)
@@ -782,7 +754,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
friendClient.SendInstantMessage(im);
// Update the local cache
UpdateFriendsCache(friendClient);
RefetchFriends(friendClient);
// we're done
return true;
@@ -815,7 +787,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
// the friend in this sim as root agent
friendClient.SendTerminateFriend(exfriendID);
// update local cache
UpdateFriendsCache(friendClient);
RefetchFriends(friendClient);
// we're done
return true;
}
@@ -874,6 +846,12 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
#endregion
#region Get / Set friends in several flavours
/// <summary>
/// Get friends from local cache only
/// </summary>
/// <param name="agentID"></param>
/// <returns></returns>
protected FriendInfo[] GetFriends(UUID agentID)
{
UserFriendData friendsData;
@@ -887,17 +865,12 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
return EMPTY_FRIENDS;
}
private void UpdateFriendsCache(IClientAPI client)
{
UUID agentID = client.AgentId;
lock (m_Friends)
{
UserFriendData friendsData;
if (m_Friends.TryGetValue(agentID, out friendsData))
friendsData.Friends = GetFriendsFromService(client);
}
}
/// <summary>
/// Update loca cache only
/// </summary>
/// <param name="userID"></param>
/// <param name="friendID"></param>
/// <param name="rights"></param>
protected void UpdateLocalCache(UUID userID, UUID friendID, int rights)
{
// Update local cache
@@ -908,5 +881,47 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
finfo.TheirFlags = rights;
}
}
protected virtual FriendInfo[] GetFriendsFromService(IClientAPI client)
{
return FriendsService.GetFriends(client.AgentId);
}
private void RefetchFriends(IClientAPI client)
{
UUID agentID = client.AgentId;
lock (m_Friends)
{
UserFriendData friendsData;
if (m_Friends.TryGetValue(agentID, out friendsData))
friendsData.Friends = GetFriendsFromService(client);
}
}
protected virtual bool StoreRights(UUID agentID, UUID friendID, int rights)
{
FriendsService.StoreFriend(agentID.ToString(), friendID.ToString(), rights);
return true;
}
protected virtual void StoreBackwards(UUID friendID, UUID agentID)
{
FriendsService.StoreFriend(friendID.ToString(), agentID.ToString(), 0);
}
protected virtual void StoreFriendships(UUID agentID, UUID friendID)
{
FriendsService.StoreFriend(agentID.ToString(), friendID.ToString(), 1);
FriendsService.StoreFriend(friendID.ToString(), agentID.ToString(), 1);
}
protected virtual bool DeleteFriendship(UUID agentID, UUID exfriendID)
{
FriendsService.Delete(agentID, exfriendID.ToString());
FriendsService.Delete(exfriendID, agentID.ToString());
return true;
}
#endregion
}
}

220
OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
View File

@@ -72,8 +72,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
UUID id;
if (!UUID.TryParse(finfo.Friend, out id))
{
string url = string.Empty, first = string.Empty, last = string.Empty;
if (Util.ParseUniversalUserIdentifier(finfo.Friend, out id, out url, out first, out last))
string url = string.Empty, first = string.Empty, last = string.Empty, tmp = string.Empty;
if (Util.ParseUniversalUserIdentifier(finfo.Friend, out id, out url, out first, out last, out tmp))
{
IUserManagement uMan = m_Scenes[0].RequestModuleInterface<IUserManagement>();
uMan.AddUser(id, url + ";" + first + " " + last);
@@ -103,22 +103,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
return false;
}
protected override FriendInfo[] GetFriendsFromService(IClientAPI client)
{
UserAccount account1 = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, client.AgentId);
if (account1 != null)
return base.GetFriendsFromService(client);
// Foreigner
AgentCircuitData agentClientCircuit = ((Scene)(client.Scene)).AuthenticateHandler.GetAgentCircuitData(client.CircuitCode);
string agentUUI = Util.ProduceUserUniversalIdentifier(agentClientCircuit);
FriendInfo[] finfos = FriendsService.GetFriends(agentUUI);
m_log.DebugFormat("[HGFRIENDS MODULE]: Fetched {0} local friends for visitor {1}", finfos.Length, agentUUI);
return finfos;
}
protected override bool GetAgentInfo(UUID scopeID, string fid, out UUID agentID, out string first, out string last)
{
first = "Unknown"; last = "User";
@@ -126,8 +110,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
return true;
// fid is not a UUID...
string url = string.Empty;
if (Util.ParseUniversalUserIdentifier(fid, out agentID, out url, out first, out last))
string url = string.Empty, tmp = string.Empty;
if (Util.ParseUniversalUserIdentifier(fid, out agentID, out url, out first, out last, out tmp))
{
IUserManagement userMan = m_Scenes[0].RequestModuleInterface<IUserManagement>();
userMan.AddUser(agentID, url + ";" + first + " " + last);
@@ -164,7 +148,38 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
return "Please confirm this friendship you made while you were away.";
}
protected override bool SimpleStore(UUID agentID, UUID friendID, int rights)
protected override FriendInfo GetFriend(FriendInfo[] friends, UUID friendID)
{
foreach (FriendInfo fi in friends)
{
if (fi.Friend.StartsWith(friendID.ToString()))
return fi;
}
return null;
}
protected override FriendInfo[] GetFriendsFromService(IClientAPI client)
{
UserAccount account1 = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, client.AgentId);
if (account1 != null)
return base.GetFriendsFromService(client);
FriendInfo[] finfos = new FriendInfo[0];
// Foreigner
AgentCircuitData agentClientCircuit = ((Scene)(client.Scene)).AuthenticateHandler.GetAgentCircuitData(client.CircuitCode);
if (agentClientCircuit != null)
{
string agentUUI = Util.ProduceUserUniversalIdentifier(agentClientCircuit);
m_log.DebugFormat("[XXX] GetFriendsFromService to {0}", agentUUI);
finfos = FriendsService.GetFriends(agentUUI);
m_log.DebugFormat("[HGFRIENDS MODULE]: Fetched {0} local friends for visitor {1}", finfos.Length, agentUUI);
}
return finfos;
}
protected override bool StoreRights(UUID agentID, UUID friendID, int rights)
{
UserAccount account1 = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, agentID);
UserAccount account2 = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, friendID);
@@ -172,30 +187,27 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
if (account1 != null && account2 != null)
{
// local grid users
return base.SimpleStore(agentID, friendID, rights);
return base.StoreRights(agentID, friendID, rights);
}
if (account1 != null)
if (account1 != null) // agent is local, friend is foreigner
{
FriendInfo[] finfos = GetFriends(agentID);
if (finfos.Length > 0)
FriendInfo finfo = GetFriend(finfos, friendID);
if (finfo != null)
{
FriendInfo finfo = GetFriend(finfos, friendID);
FriendsService.StoreFriend(agentID.ToString(), finfo.Friend, rights);
return true;
}
}
if (account2 != null)
if (account2 != null) // agent is foreigner, friend is local
{
IClientAPI client = LocateClientObject(agentID);
if (client != null)
string agentUUI = GetUUI(friendID, agentID);
if (agentUUI != string.Empty)
{
AgentCircuitData acircuit = m_Scenes[0].AuthenticateHandler.GetAgentCircuitData(client.CircuitCode);
if (acircuit != null)
{
FriendsService.StoreFriend(Util.ProduceUserUniversalIdentifier(acircuit), friendID.ToString(), rights);
return true;
}
FriendsService.StoreFriend(agentUUI, friendID.ToString(), rights);
return true;
}
}
@@ -233,7 +245,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
return;
}
// ok, at least one of them is foreigner, let's get their data
IClientAPI agentClient = LocateClientObject(agentID);
IClientAPI friendClient = LocateClientObject(friendID);
@@ -257,13 +268,17 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
friendFriendService = friendClientCircuit.ServiceURLs["FriendsServerURI"].ToString();
}
m_log.DebugFormat("[XXX] HG Friendship! thisUUI={0}; friendUUI={1}; foreignThisFriendService={2}; foreignFriendFriendService={3}",
m_log.DebugFormat("[HGFRIENDS MODULE] HG Friendship! thisUUI={0}; friendUUI={1}; foreignThisFriendService={2}; foreignFriendFriendService={3}",
agentUUI, friendUUI, agentFriendService, friendFriendService);
// Generate a random 8-character hex number that will sign this friendship
string secret = UUID.Random().ToString().Substring(0, 8);
if (agentAccount != null) // agent is local, 'friend' is foreigner
{
// This may happen when the agent returned home, in which case the friend is not there
// We need to llok for its information in the friends list itself
// We need to look for its information in the friends list itself
bool confirming = false;
if (friendUUI == string.Empty)
{
FriendInfo[] finfos = GetFriends(agentID);
@@ -272,35 +287,41 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
if (finfo.TheirFlags == -1)
{
if (finfo.Friend.StartsWith(friendID.ToString()))
{
friendUUI = finfo.Friend;
confirming = true;
}
}
}
}
// store in the local friends service a reference to the foreign friend
FriendsService.StoreFriend(agentID.ToString(), friendUUI, 1);
// and also the converse
FriendsService.StoreFriend(friendUUI, agentID.ToString(), 1);
// If it's confirming the friendship, we already have the full friendUUI with the secret
string theFriendUUID = confirming ? friendUUI : friendUUI + ";" + secret;
if (friendClientCircuit != null)
// store in the local friends service a reference to the foreign friend
FriendsService.StoreFriend(agentID.ToString(), theFriendUUID, 1);
// and also the converse
FriendsService.StoreFriend(theFriendUUID, agentID.ToString(), 1);
if (!confirming && friendClientCircuit != null)
{
// store in the foreign friends service a reference to the local agent
HGFriendsServicesConnector friendsConn = new HGFriendsServicesConnector(friendFriendService, friendClientCircuit.SessionID, friendClientCircuit.ServiceSessionID);
friendsConn.NewFriendship(friendID, agentUUI);
friendsConn.NewFriendship(friendID, agentUUI + ";" + secret);
}
}
else if (friendAccount != null) // 'friend' is local, agent is foreigner
{
// store in the local friends service a reference to the foreign agent
FriendsService.StoreFriend(friendID.ToString(), agentUUI, 1);
FriendsService.StoreFriend(friendID.ToString(), agentUUI + ";" + secret, 1);
// and also the converse
FriendsService.StoreFriend(agentUUI, friendID.ToString(), 1);
FriendsService.StoreFriend(agentUUI + ";" + secret, friendID.ToString(), 1);
if (agentClientCircuit != null)
{
// store in the foreign friends service a reference to the local agent
HGFriendsServicesConnector friendsConn = new HGFriendsServicesConnector(agentFriendService, agentClientCircuit.SessionID, agentClientCircuit.ServiceSessionID);
friendsConn.NewFriendship(agentID, friendUUI);
friendsConn.NewFriendship(agentID, friendUUI + ";" + secret);
}
}
else // They're both foreigners!
@@ -309,43 +330,112 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
if (agentClientCircuit != null)
{
friendsConn = new HGFriendsServicesConnector(agentFriendService, agentClientCircuit.SessionID, agentClientCircuit.ServiceSessionID);
friendsConn.NewFriendship(agentID, friendUUI);
friendsConn.NewFriendship(agentID, friendUUI + ";" + secret);
}
if (friendClientCircuit != null)
{
friendsConn = new HGFriendsServicesConnector(friendFriendService, friendClientCircuit.SessionID, friendClientCircuit.ServiceSessionID);
friendsConn.NewFriendship(friendID, agentUUI);
friendsConn.NewFriendship(friendID, agentUUI + ";" + secret);
}
}
// my brain hurts now
}
protected override FriendInfo GetFriend(FriendInfo[] friends, UUID friendID)
protected override bool DeleteFriendship(UUID agentID, UUID exfriendID)
{
foreach (FriendInfo fi in friends)
UserAccount agentAccount = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, agentID);
UserAccount friendAccount = UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, exfriendID);
// Are they both local users?
if (agentAccount != null && friendAccount != null)
{
if (fi.Friend.StartsWith(friendID.ToString()))
return fi;
// local grid users
return base.DeleteFriendship(agentID, exfriendID);
}
return null;
}
protected override void DeleteFriendship(UUID agentID, UUID exfriendID)
{
base.DeleteFriendship(agentID, exfriendID);
// Maybe some of the base deletes will fail.
// Let's delete the local friendship with foreign friend
FriendInfo[] friends = GetFriends(agentID);
foreach (FriendInfo finfo in friends)
// ok, at least one of them is foreigner, let's get their data
string agentUUI = string.Empty;
string friendUUI = string.Empty;
if (agentAccount != null) // agent is local, 'friend' is foreigner
{
if (finfo.Friend != exfriendID.ToString() && finfo.Friend.StartsWith(exfriendID.ToString()))
// We need to look for its information in the friends list itself
FriendInfo[] finfos = GetFriends(agentID);
FriendInfo finfo = GetFriend(finfos, exfriendID);
if (finfo != null)
{
FriendsService.Delete(agentID, exfriendID.ToString());
// TODO: delete the friendship on the other side
// Should use the homeurl given in finfo.Friend
friendUUI = finfo.Friend;
// delete in the local friends service the reference to the foreign friend
FriendsService.Delete(agentID, friendUUI);
// and also the converse
FriendsService.Delete(friendUUI, agentID.ToString());
// notify the exfriend's service
Util.FireAndForget(delegate { Delete(exfriendID, agentID, friendUUI); });
m_log.DebugFormat("[HGFRIENDS MODULE]: {0} terminated {1}", agentID, friendUUI);
return true;
}
}
else if (friendAccount != null) // agent is foreigner, 'friend' is local
{
agentUUI = GetUUI(exfriendID, agentID);
if (agentUUI != string.Empty)
{
// delete in the local friends service the reference to the foreign agent
FriendsService.Delete(exfriendID, agentUUI);
// and also the converse
FriendsService.Delete(agentUUI, exfriendID.ToString());
// notify the agent's service?
Util.FireAndForget(delegate { Delete(agentID, exfriendID, agentUUI); });
m_log.DebugFormat("[HGFRIENDS MODULE]: {0} terminated {1}", agentUUI, exfriendID);
return true;
}
}
//else They're both foreigners! Can't handle this
return false;
}
private string GetUUI(UUID localUser, UUID foreignUser)
{
// Let's see if the user is here by any chance
FriendInfo[] finfos = GetFriends(localUser);
if (finfos != EMPTY_FRIENDS) // friend is here, cool
{
FriendInfo finfo = GetFriend(finfos, foreignUser);
if (finfo != null)
{
return finfo.Friend;
}
}
else // user is not currently on this sim, need to get from the service
{
finfos = FriendsService.GetFriends(localUser);
foreach (FriendInfo finfo in finfos)
{
if (finfo.Friend.StartsWith(foreignUser.ToString())) // found it!
{
return finfo.Friend;
}
}
}
return string.Empty;
}
private void Delete(UUID foreignUser, UUID localUser, string uui)
{
UUID id;
string url = string.Empty, secret = string.Empty, tmp = string.Empty;
if (Util.ParseUniversalUserIdentifier(uui, out id, out url, out tmp, out tmp, out secret))
{
m_log.DebugFormat("[HGFRIENDS MODULE]: Deleting friendship from {0}", url);
HGFriendsServicesConnector friendConn = new HGFriendsServicesConnector(url);
friendConn.DeleteFriendship(foreignUser, localUser, secret);
}
}
}
}