From 68f6cc533263b7cee0bcb5f1f153115726e409cc Mon Sep 17 00:00:00 2001
From: Tudor Stanciu <tstanciu@totalsoft.ro>
Date: Mon, 17 Jan 2022 19:52:09 +0200
Subject: [PATCH] UserService

---
 .../CommandHandlers/PingMachineHandler.cs     |  7 ++-
 .../Abstractions/IUserService.cs              | 10 ++++
 .../Services/UserService.cs                   | 46 +++++++++++++++++++
 src/api/NetworkResurrector.Api/Startup.cs     |  5 ++
 4 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 src/api/NetworkResurrector.Api.Domain/Abstractions/IUserService.cs
 create mode 100644 src/api/NetworkResurrector.Api/Services/UserService.cs

diff --git a/src/api/NetworkResurrector.Api.Application/CommandHandlers/PingMachineHandler.cs b/src/api/NetworkResurrector.Api.Application/CommandHandlers/PingMachineHandler.cs
index 4607308..2c8b7b4 100644
--- a/src/api/NetworkResurrector.Api.Application/CommandHandlers/PingMachineHandler.cs
+++ b/src/api/NetworkResurrector.Api.Application/CommandHandlers/PingMachineHandler.cs
@@ -1,5 +1,6 @@
 using MediatR;
 using Microsoft.Extensions.Logging;
+using NetworkResurrector.Api.Domain.Abstractions;
 using NetworkResurrector.Api.Domain.Constants;
 using NetworkResurrector.Api.Domain.Repositories;
 using NetworkResurrector.Api.PublishedLanguage.Commands;
@@ -16,16 +17,20 @@ namespace NetworkResurrector.Api.Application.CommandHandlers
         private readonly ILogger<PingMachineHandler> _logger;
         private readonly IResurrectorService _resurrectorService;
         private readonly INetworkRepository _repository;
+        private readonly IUserService _userService;
 
-        public PingMachineHandler(ILogger<PingMachineHandler> logger, IResurrectorService resurrectorService, INetworkRepository repository)
+        public PingMachineHandler(ILogger<PingMachineHandler> logger, IResurrectorService resurrectorService, INetworkRepository repository, IUserService userService)
         {
             _logger=logger;
             _resurrectorService=resurrectorService;
             _repository=repository;
+            _userService=userService;
         }
 
         public async Task<MachinePinged> Handle(PingMachine command, CancellationToken cancellationToken)
         {
+            var userId = _userService.GetUserId();
+
             _logger.LogDebug($"Start pinging machine {command.MachineId}");
             var machine = await _repository.GetMachine(command.MachineId);
             var powerConfiguration = await _repository.GetPowerActionConfiguration(command.MachineId, PowerActions.PING);
diff --git a/src/api/NetworkResurrector.Api.Domain/Abstractions/IUserService.cs b/src/api/NetworkResurrector.Api.Domain/Abstractions/IUserService.cs
new file mode 100644
index 0000000..76e1518
--- /dev/null
+++ b/src/api/NetworkResurrector.Api.Domain/Abstractions/IUserService.cs
@@ -0,0 +1,10 @@
+namespace NetworkResurrector.Api.Domain.Abstractions
+{
+    public interface IUserService
+    {
+        bool UserIsLoggedIn { get; }
+        string GetUserId();
+        string GetUserName();
+        bool UserIsGuest();
+    }
+}
diff --git a/src/api/NetworkResurrector.Api/Services/UserService.cs b/src/api/NetworkResurrector.Api/Services/UserService.cs
new file mode 100644
index 0000000..ae7ed1c
--- /dev/null
+++ b/src/api/NetworkResurrector.Api/Services/UserService.cs
@@ -0,0 +1,46 @@
+using Microsoft.AspNetCore.Http;
+using NetworkResurrector.Api.Domain.Abstractions;
+using System;
+using System.Linq;
+using System.Security.Claims;
+
+namespace NetworkResurrector.Api.Services
+{
+    public class UserService : IUserService
+    {
+        private readonly IHttpContextAccessor _httpAccessor;
+
+        public UserService(IHttpContextAccessor httpAccessor)
+        {
+            _httpAccessor = httpAccessor;
+        }
+
+        public bool UserIsLoggedIn => _httpAccessor.HttpContext.User != null;
+
+        public string GetUserId()
+        {
+            var userId = _httpAccessor.HttpContext.User?.Claims.FirstOrDefault(z => z.Type == ClaimTypes.NameIdentifier)?.Value;
+
+            if (string.IsNullOrEmpty(userId))
+                throw new Exception("User id could not be retrieved from claims.");
+
+            return userId;
+        }
+
+        public string GetUserName()
+        {
+            var userName = _httpAccessor.HttpContext.User?.Claims.FirstOrDefault(z => z.Type == ClaimTypes.Name)?.Value;
+
+            if (string.IsNullOrEmpty(userName))
+                throw new Exception("User name could not be retrieved from claims.");
+
+            return userName;
+        }
+
+        public bool UserIsGuest()
+        {
+            var userIsGuest = _httpAccessor.HttpContext.User?.Claims.FirstOrDefault(z => z.Type == NDB.Security.Authentication.Identity.Constants.ClaimTypes.IsGuestUser)?.Value;
+            return !string.IsNullOrEmpty(userIsGuest) && bool.TrueString == userIsGuest;
+        }
+    }
+}
diff --git a/src/api/NetworkResurrector.Api/Startup.cs b/src/api/NetworkResurrector.Api/Startup.cs
index 73e991b..c0b867f 100644
--- a/src/api/NetworkResurrector.Api/Startup.cs
+++ b/src/api/NetworkResurrector.Api/Startup.cs
@@ -11,7 +11,9 @@ using NDB.Extensions.Swagger.Constants;
 using NDB.Security.Authentication.Identity;
 using NetworkResurrector.Agent.Wrapper;
 using NetworkResurrector.Api.Application;
+using NetworkResurrector.Api.Domain.Abstractions;
 using NetworkResurrector.Api.Domain.Data;
+using NetworkResurrector.Api.Services;
 using NetworkResurrector.Server.Wrapper;
 using Newtonsoft.Json;
 using System.Reflection;
@@ -36,6 +38,9 @@ namespace NetworkResurrector.Api
             // Add basic authentication 
             services.AddIdentityAuthentication(_configuration.GetSection("IdentityServer")["BaseAddress"]);
 
+            services.AddHttpContextAccessor();
+            services.AddScoped<IUserService, UserService>();
+
             // MediatR
             services.AddMediatR(GetMediatRAssemblies());
             services.AddScoped(typeof(IPipelineBehavior<,>), typeof(RequestPreProcessorBehavior<,>));