From 73fcbe90c04d9b3de0fc0591565d9a3548a0fa70 Mon Sep 17 00:00:00 2001 From: gion Date: Wed, 22 Apr 2020 22:05:53 +0200 Subject: [PATCH] Send error messages to clients --- .../Syncplay/SyncplayManager.cs | 68 ++++++++++++++----- .../Syncplay/GroupUpdateType.cs | 34 +++++++--- 2 files changed, 75 insertions(+), 27 deletions(-) diff --git a/Emby.Server.Implementations/Syncplay/SyncplayManager.cs b/Emby.Server.Implementations/Syncplay/SyncplayManager.cs index e7df8925e8..5aefd1fd98 100644 --- a/Emby.Server.Implementations/Syncplay/SyncplayManager.cs +++ b/Emby.Server.Implementations/Syncplay/SyncplayManager.cs @@ -165,8 +165,14 @@ namespace Emby.Server.Implementations.Syncplay if (user.Policy.SyncplayAccess != SyncplayAccess.CreateAndJoinGroups) { - // TODO: report the error to the client - throw new ArgumentException("User does not have permission to create groups"); + _logger.LogWarning("Syncplaymanager NewGroup: {0} does not have permission to create groups.", session.Id); + + var error = new GroupUpdate() + { + Type = GroupUpdateType.CreateGroupDenied + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); + return; } if (IsSessionInGroup(session)) @@ -187,8 +193,14 @@ namespace Emby.Server.Implementations.Syncplay if (user.Policy.SyncplayAccess == SyncplayAccess.None) { - // TODO: report the error to the client - throw new ArgumentException("User does not have access to syncplay"); + _logger.LogWarning("Syncplaymanager JoinGroup: {0} does not have access to Syncplay.", session.Id); + + var error = new GroupUpdate() + { + Type = GroupUpdateType.JoinGroupDenied + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); + return; } ISyncplayController group; @@ -196,17 +208,27 @@ namespace Emby.Server.Implementations.Syncplay if (group == null) { - _logger.LogWarning("Syncplaymanager JoinGroup: {0} does not exist.", groupId); + _logger.LogWarning("Syncplaymanager JoinGroup: {0} tried to join group {0} that does not exist.", session.Id, groupId); - var update = new GroupUpdate(); - update.Type = GroupUpdateType.NotInGroup; - _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), update, CancellationToken.None); + var error = new GroupUpdate() + { + Type = GroupUpdateType.GroupNotJoined + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); return; } if (!HasAccessToItem(user, group.GetPlayingItemId())) { - throw new ArgumentException("User does not have access to playing item"); + _logger.LogWarning("Syncplaymanager JoinGroup: {0} does not have access to {1}.", session.Id, group.GetPlayingItemId()); + + var error = new GroupUpdate() + { + GroupId = group.GetGroupId().ToString(), + Type = GroupUpdateType.LibraryAccessDenied + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); + return; } if (IsSessionInGroup(session)) @@ -230,9 +252,11 @@ namespace Emby.Server.Implementations.Syncplay { _logger.LogWarning("Syncplaymanager LeaveGroup: {0} does not belong to any group.", session.Id); - var update = new GroupUpdate(); - update.Type = GroupUpdateType.NotInGroup; - _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), update, CancellationToken.None); + var error = new GroupUpdate() + { + Type = GroupUpdateType.NotInGroup + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); return; } group.SessionLeave(session); @@ -280,8 +304,14 @@ namespace Emby.Server.Implementations.Syncplay if (user.Policy.SyncplayAccess == SyncplayAccess.None) { - // TODO: same as LeaveGroup - throw new ArgumentException("User does not have access to syncplay"); + _logger.LogWarning("Syncplaymanager HandleRequest: {0} does not have access to Syncplay.", session.Id); + + var error = new GroupUpdate() + { + Type = GroupUpdateType.JoinGroupDenied + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); + return; } ISyncplayController group; @@ -289,11 +319,13 @@ namespace Emby.Server.Implementations.Syncplay if (group == null) { - _logger.LogWarning("Syncplaymanager HandleRequest: {0} not in a group.", session.Id); + _logger.LogWarning("Syncplaymanager HandleRequest: {0} does not belong to any group.", session.Id); - var update = new GroupUpdate(); - update.Type = GroupUpdateType.NotInGroup; - _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), update, CancellationToken.None); + var error = new GroupUpdate() + { + Type = GroupUpdateType.NotInGroup + }; + _sessionManager.SendSyncplayGroupUpdate(session.Id.ToString(), error, CancellationToken.None); return; } group.HandleRequest(session, request); diff --git a/MediaBrowser.Model/Syncplay/GroupUpdateType.cs b/MediaBrowser.Model/Syncplay/GroupUpdateType.cs index 0ef8b27853..20e76932d4 100644 --- a/MediaBrowser.Model/Syncplay/GroupUpdateType.cs +++ b/MediaBrowser.Model/Syncplay/GroupUpdateType.cs @@ -1,37 +1,53 @@ namespace MediaBrowser.Model.Syncplay { /// - /// Enum GroupUpdateType + /// Enum GroupUpdateType. /// public enum GroupUpdateType { /// /// The user-joined update. Tells members of a group about a new user. /// - UserJoined = 0, + UserJoined, /// /// The user-left update. Tells members of a group that a user left. /// - UserLeft = 1, + UserLeft, /// /// The group-joined update. Tells a user that the group has been joined. /// - GroupJoined = 2, + GroupJoined, /// /// The group-left update. Tells a user that the group has been left. /// - GroupLeft = 3, + GroupLeft, /// /// The group-wait update. Tells members of the group that a user is buffering. /// - GroupWait = 4, + GroupWait, /// /// The prepare-session update. Tells a user to load some content. /// - PrepareSession = 5, + PrepareSession, /// - /// The not-in-group update. Tells a user that no group has been joined. + /// The not-in-group error. Tells a user that it doesn't belong to a group. /// - NotInGroup = 7 + NotInGroup, + /// + /// The group-not-joined error. Sent when a request to join a group fails. + /// + GroupNotJoined, + /// + /// The create-group-denied error. Sent when a user tries to create a group without required permissions. + /// + CreateGroupDenied, + /// + /// The join-group-denied error. Sent when a user tries to join a group without required permissions. + /// + JoinGroupDenied, + /// + /// The library-access-denied error. Sent when a user tries to join a group without required access to the library. + /// + LibraryAccessDenied } }