Switched TransferRequest (UDP packet handler) to sync. The permissions checks may block, so they get a FireAndForget. Everything else is non-blocking.
Diva Canto
parent
9173130fde
commit
3b48b6a792
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@ -5374,7 +5374,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
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AddLocalPacketHandler(PacketType.ObjectClickAction, HandleObjectClickAction, false);
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AddLocalPacketHandler(PacketType.ObjectMaterial, HandleObjectMaterial, false);
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AddLocalPacketHandler(PacketType.RequestImage, HandleRequestImage, false);
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AddLocalPacketHandler(PacketType.TransferRequest, HandleTransferRequest);
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AddLocalPacketHandler(PacketType.TransferRequest, HandleTransferRequest, false);
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AddLocalPacketHandler(PacketType.AssetUploadRequest, HandleAssetUploadRequest);
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AddLocalPacketHandler(PacketType.RequestXfer, HandleRequestXfer);
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AddLocalPacketHandler(PacketType.SendXferPacket, HandleSendXferPacket);
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@ -7751,129 +7751,145 @@ namespace OpenSim.Region.ClientStack.LindenUDP
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//m_log.Debug("ClientView.ProcessPackets.cs:ProcessInPacket() - Got transfer request");
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TransferRequestPacket transfer = (TransferRequestPacket)Pack;
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//m_log.Debug("Transfer Request: " + transfer.ToString());
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// Validate inventory transfers
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// Has to be done here, because AssetCache can't do it
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//
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UUID taskID = UUID.Zero;
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if (transfer.TransferInfo.SourceType == (int)SourceType.SimInventoryItem)
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{
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taskID = new UUID(transfer.TransferInfo.Params, 48);
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UUID itemID = new UUID(transfer.TransferInfo.Params, 64);
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UUID requestID = new UUID(transfer.TransferInfo.Params, 80);
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// m_log.DebugFormat(
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// "[CLIENT]: Got request for asset {0} from item {1} in prim {2} by {3}",
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// requestID, itemID, taskID, Name);
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if (!(((Scene)m_scene).Permissions.BypassPermissions()))
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{
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if (taskID != UUID.Zero) // Prim
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// We're spawning a thread because the permissions check can block this thread
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Util.FireAndForget(delegate
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{
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SceneObjectPart part = ((Scene)m_scene).GetSceneObjectPart(taskID);
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if (part == null)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but prim does not exist",
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Name, requestID, itemID, taskID);
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return true;
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}
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TaskInventoryItem tii = part.Inventory.GetInventoryItem(itemID);
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if (tii == null)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item does not exist",
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Name, requestID, itemID, taskID);
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return true;
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}
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if (tii.Type == (int)AssetType.LSLText)
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{
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if (!((Scene)m_scene).Permissions.CanEditScript(itemID, taskID, AgentId))
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return true;
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}
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else if (tii.Type == (int)AssetType.Notecard)
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{
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if (!((Scene)m_scene).Permissions.CanEditNotecard(itemID, taskID, AgentId))
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return true;
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}
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else
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{
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// TODO: Change this code to allow items other than notecards and scripts to be successfully
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// shared with group. In fact, this whole block of permissions checking should move to an IPermissionsModule
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if (part.OwnerID != AgentId)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the prim is owned by {4}",
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Name, requestID, itemID, taskID, part.OwnerID);
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return true;
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}
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if ((part.OwnerMask & (uint)PermissionMask.Modify) == 0)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but modify permissions are not set",
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Name, requestID, itemID, taskID);
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return true;
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}
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if (tii.OwnerID != AgentId)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the item is owned by {4}",
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Name, requestID, itemID, taskID, tii.OwnerID);
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return true;
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}
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if ((
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tii.CurrentPermissions & ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
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!= ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item permissions are not modify/copy/transfer",
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Name, requestID, itemID, taskID);
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return true;
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}
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if (tii.AssetID != requestID)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but this does not match item's asset {4}",
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Name, requestID, itemID, taskID, tii.AssetID);
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return true;
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}
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}
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}
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else // Agent
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{
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IInventoryAccessModule invAccess = m_scene.RequestModuleInterface<IInventoryAccessModule>();
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if (invAccess != null)
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{
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if (!invAccess.CanGetAgentInventoryItem(this, itemID, requestID))
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return false;
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}
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else
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{
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return false;
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}
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}
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// This requests the asset if needed
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HandleSimInventoryTransferRequestWithPermsCheck(sender, transfer);
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});
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return true;
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}
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}
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else
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if (transfer.TransferInfo.SourceType == (int)SourceType.SimEstate)
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{
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//TransferRequestPacket does not include covenant uuid?
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//get scene covenant uuid
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taskID = m_scene.RegionInfo.RegionSettings.Covenant;
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}
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else if (transfer.TransferInfo.SourceType == (int)SourceType.SimEstate)
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{
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//TransferRequestPacket does not include covenant uuid?
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//get scene covenant uuid
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taskID = m_scene.RegionInfo.RegionSettings.Covenant;
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}
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// This is non-blocking
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MakeAssetRequest(transfer, taskID);
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return true;
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}
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private void HandleSimInventoryTransferRequestWithPermsCheck(IClientAPI sender, TransferRequestPacket transfer)
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{
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UUID taskID = new UUID(transfer.TransferInfo.Params, 48);
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UUID itemID = new UUID(transfer.TransferInfo.Params, 64);
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UUID requestID = new UUID(transfer.TransferInfo.Params, 80);
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//m_log.DebugFormat(
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// "[CLIENT]: Got request for asset {0} from item {1} in prim {2} by {3}",
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// requestID, itemID, taskID, Name);
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//m_log.Debug("Transfer Request: " + transfer.ToString());
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// Validate inventory transfers
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// Has to be done here, because AssetCache can't do it
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//
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if (taskID != UUID.Zero) // Prim
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{
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SceneObjectPart part = ((Scene)m_scene).GetSceneObjectPart(taskID);
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if (part == null)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but prim does not exist",
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Name, requestID, itemID, taskID);
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return;
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}
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TaskInventoryItem tii = part.Inventory.GetInventoryItem(itemID);
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if (tii == null)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item does not exist",
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Name, requestID, itemID, taskID);
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return;
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}
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if (tii.Type == (int)AssetType.LSLText)
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{
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if (!((Scene)m_scene).Permissions.CanEditScript(itemID, taskID, AgentId))
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return;
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}
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else if (tii.Type == (int)AssetType.Notecard)
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{
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if (!((Scene)m_scene).Permissions.CanEditNotecard(itemID, taskID, AgentId))
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return;
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}
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else
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{
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// TODO: Change this code to allow items other than notecards and scripts to be successfully
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// shared with group. In fact, this whole block of permissions checking should move to an IPermissionsModule
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if (part.OwnerID != AgentId)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the prim is owned by {4}",
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Name, requestID, itemID, taskID, part.OwnerID);
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return;
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}
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if ((part.OwnerMask & (uint)PermissionMask.Modify) == 0)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but modify permissions are not set",
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Name, requestID, itemID, taskID);
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return;
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}
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if (tii.OwnerID != AgentId)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the item is owned by {4}",
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Name, requestID, itemID, taskID, tii.OwnerID);
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return;
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}
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if ((
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tii.CurrentPermissions & ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
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!= ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item permissions are not modify/copy/transfer",
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Name, requestID, itemID, taskID);
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return;
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}
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if (tii.AssetID != requestID)
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{
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m_log.WarnFormat(
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"[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but this does not match item's asset {4}",
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Name, requestID, itemID, taskID, tii.AssetID);
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return;
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}
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}
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}
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else // Agent
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{
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IInventoryAccessModule invAccess = m_scene.RequestModuleInterface<IInventoryAccessModule>();
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if (invAccess != null)
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{
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if (!invAccess.CanGetAgentInventoryItem(this, itemID, requestID))
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return;
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}
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else
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{
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return;
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}
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}
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// Permissions out of the way, let's request the asset
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MakeAssetRequest(transfer, taskID);
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}
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private bool HandleAssetUploadRequest(IClientAPI sender, Packet Pack)
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{
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AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack;
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