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Refactor session manager: expose API for plugins

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This commit is contained in:
ChronosX88 2020-09-14 20:59:42 +04:00
parent 11379cd6c2
commit 282e14ae96
Signed by: ChronosXYZ
GPG Key ID: 085A69A82C8C511A
10 changed files with 61 additions and 28 deletions
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17
src/Zirconium/Core/ConnectionHandler.cs
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@ -23,6 +23,7 @@ namespace Zirconium.Core
_app.SessionManager.DeleteSession(ID);
Logging.Log.Info($"Connection {ID} was closed (reason: {e.Reason})");
// TODO implement closing connection
}
protected override void OnError(ErrorEventArgs e)
@ -37,7 +38,7 @@ namespace Zirconium.Core
if (e.IsText)
{
var msg = JsonConvert.DeserializeObject<BaseMessage>(e.Data);
_app.Router.RouteMessage(_app.SessionManager.GetConnectionInfo(ID), msg);
_app.Router.RouteMessage(_app.SessionManager.GetSession(ID), msg);
}
else
{
@ -69,17 +70,21 @@ namespace Zirconium.Core
protected override void OnOpen()
{
var ip = Context.UserEndPoint.Address;
var connInfo = new ConnectionInfo();
connInfo.ClientAddress = ip;
connInfo.ConnectionHandler = this;
_app.SessionManager.AddSession(ID, connInfo);
Logging.Log.Info($"Connection {ID} was created");
var session = new Session();
session.ClientAddress = ip;
session.ConnectionHandler = this;
_app.SessionManager.AddSession(this.ID, session);
Logging.Log.Info($"Connection {this.ID} was created");
}
public void SendMessage(string message)
{
this.Send(message);
}
public void CloseConnection() {
this.Sessions.CloseSession(this.ID); // TODO need to clarify if CloseSession also calls OnClose callback
}
}
}

2
src/Zirconium/Core/Models/ConnectionInfo.cs → src/Zirconium/Core/Models/Session.cs
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@ -2,7 +2,7 @@ using System.Net;
namespace Zirconium.Core.Models
{
public class ConnectionInfo
public class Session
{
public string LastTokenHash { get; set; }
public JWTPayload LastTokenPayload { get; set; }

2
src/Zirconium/Core/Plugins/Interfaces/IC2SMessageHandler.cs
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@ -4,7 +4,7 @@ namespace Zirconium.Core.Plugins.Interfaces
{
public interface IC2SMessageHandler {
string GetHandlingMessageType();
void HandleMessage(ConnectionInfo connInfo, BaseMessage message);
void HandleMessage(Session session, BaseMessage message);
bool IsAuthorizationRequired();
string GetHandlerUniqueID();
}

12
src/Zirconium/Core/Plugins/Interfaces/IExposedSessionManager.cs Normal file
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@ -0,0 +1,12 @@
using Zirconium.Core.Models;
using System.Collections.Immutable;
namespace Zirconium.Core.Plugins.Interfaces
{
public interface IExposedSessionManager
{
Session GetSession(string sessionID);
IImmutableDictionary<string, Session> GetSessions();
void CloseSession(string connID);
}
}

3
src/Zirconium/Core/Plugins/Interfaces/IPluginHostAPI.cs
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@ -12,9 +12,10 @@ namespace Zirconium.Core.Plugins.Interfaces
string GenerateAuthToken(string entityID, string deviceID, int tokenExpirationMillis);
string[] GetServerDomains();
string GetServerID();
void SendMessage(ConnectionInfo connInfo, BaseMessage message);
void SendMessage(Session session, BaseMessage message);
dynamic GetSettings(IPluginAPI plugin);
dynamic GetSettings(string pluginName);
void ProvideAuth(IAuthProvider provider);
IExposedSessionManager GetSessionManager();
}
}

8
src/Zirconium/Core/Plugins/PluginHostAPI.cs
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@ -16,6 +16,10 @@ namespace Zirconium.Core.Plugins
_app = app;
}
public IExposedSessionManager GetSessionManager() {
return _app.SessionManager;
}
public void ProvideAuth(IAuthProvider provider) {
_app.AuthManager.AddAuthProvider(provider);
}
@ -60,9 +64,9 @@ namespace Zirconium.Core.Plugins
_router.AddCoreEventHandler(handler.GetHandlingEventType(), handler);
}
public void SendMessage(ConnectionInfo connInfo, BaseMessage message)
public void SendMessage(Session session, BaseMessage message)
{
connInfo.ConnectionHandler.SendMessage(JsonConvert.SerializeObject(message));
session.ConnectionHandler.SendMessage(JsonConvert.SerializeObject(message));
}
public void Unhook(IC2SMessageHandler handler)

1
src/Zirconium/Core/Plugins/PluginManager.cs
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@ -66,6 +66,7 @@ namespace Zirconium.Core.Plugins
typeof(IPluginHostAPI),
typeof(IPluginManager),
typeof(IAuthProvider),
typeof(IExposedSessionManager),
typeof(IC2SMessageHandler),
typeof(ICoreEventHandler),
typeof(BaseMessage),

14
src/Zirconium/Core/Router.cs
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@ -23,7 +23,7 @@ namespace Zirconium.Core
_coreEventsHandlers = new Dictionary<string, List<ICoreEventHandler>>();
}
public void RouteMessage(ConnectionInfo connInfo, BaseMessage message)
public void RouteMessage(Session session, BaseMessage message)
{
var handlers = _c2sMessageHandlers.GetValueOrDefault(message.MessageType, null);
if (handlers == null)
@ -37,7 +37,7 @@ namespace Zirconium.Core
);
msg.From = _app.Config.ServerID;
var serializedMsg = JsonConvert.SerializeObject(msg);
connInfo.ConnectionHandler.SendMessage(serializedMsg);
session.ConnectionHandler.SendMessage(serializedMsg);
return;
}
foreach (var h in handlers)
@ -49,7 +49,7 @@ namespace Zirconium.Core
{
hash = shaM.ComputeHash(message.AuthToken.ToByteArray()).ConvertToString();
}
if (connInfo.LastTokenHash != hash)
if (session.LastTokenHash != hash)
{
JWTPayload tokenPayload;
try
@ -68,19 +68,19 @@ namespace Zirconium.Core
new Dictionary<string, object>()
)
);
connInfo.ConnectionHandler.SendMessage(serializedMsg);
session.ConnectionHandler.SendMessage(serializedMsg);
return;
}
connInfo.LastTokenHash = hash;
connInfo.LastTokenPayload = tokenPayload;
session.LastTokenHash = hash;
session.LastTokenPayload = tokenPayload;
}
}
Task.Run(() =>
{
// probably need to wrap whole foreach body, not only HandleMessage call - need to investigate
h.HandleMessage(connInfo, message);
h.HandleMessage(session, message);
});
}
}

26
src/Zirconium/Core/SessionManager.cs
View File

@ -1,29 +1,39 @@
using System.Collections.Immutable;
using System.Collections.Generic;
using Zirconium.Core.Models;
using Zirconium.Core.Plugins.Interfaces;
namespace Zirconium.Core
{
public class SessionManager
public class SessionManager: IExposedSessionManager
{
private IDictionary<string, ConnectionInfo> _sessions;
private IDictionary<string, Session> _sessions;
public SessionManager()
{
_sessions = new Dictionary<string, ConnectionInfo>();
_sessions = new Dictionary<string, Session>();
}
public void AddSession(string connID, ConnectionInfo connInfo) {
_sessions[connID] = connInfo;
public void AddSession(string connID, Session session) {
_sessions[connID] = session;
}
// Get connection info about specified connection ID
// Get session using specified ID
// <exception cref="KeyNotFoundException">Throws this exception when connection is not found</exception>
public ConnectionInfo GetConnectionInfo(string connID) {
return _sessions[connID];
public Session GetSession(string sessionID) {
return _sessions[sessionID];
}
public void DeleteSession(string connID) {
_sessions.Remove(connID);
}
public IImmutableDictionary<string, Session> GetSessions() {
return _sessions.ToImmutableDictionary();
}
public void CloseSession(string connID) {
_sessions[connID].ConnectionHandler.CloseConnection();
}
}
}

4
src/ZirconiumPluginExamples/HelloWorldPlugin/HelloWorldPlugin.cs
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@ -34,14 +34,14 @@ namespace HelloWorldPlugin
public string GetHandlingMessageType() => "test";
public void HandleMessage(ConnectionInfo connInfo, BaseMessage message)
public void HandleMessage(Session session, BaseMessage message)
{
BaseMessage msg = new BaseMessage(message, true);
msg.Payload["testProp"] = "hello world";
msg.Ok = true;
msg.From = hostModuleAPI.GetServerID();
string strMsg = JsonConvert.SerializeObject(msg);
connInfo.ConnectionHandler.SendMessage(strMsg);
session.ConnectionHandler.SendMessage(strMsg);
}
public bool IsAuthorizationRequired() => false;