Projet de stage 2021

key4intranet.authentication/Service/AuthenticationService.cs

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+using key4intranet.authentication.Models;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+
+namespace key4intranet.authentication.Service
+{
+    public interface IAuthenticationService
+    {
+        StoredUserModel Authenticate(PostUserModel login);
+        string GetToken(StoredUserModel user);
+    }
+
+    public class AuthenticationService : IAuthenticationService
+    {
+        private readonly ILogger<AuthenticationService> _logger;
+        private readonly List<StoredUserModel> _users;
+
+        public AuthenticationService(ILogger<AuthenticationService> logger, IConfiguration configuration)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _users = configuration.GetSection("Authentication:Entities").Get<List<StoredUserModel>>() ?? throw new ArgumentNullException("ConfigUserList");
+        }
+
+        public StoredUserModel Authenticate(PostUserModel login)
+        {
+            var user = _users.Find(u => u.Mail == login.User);
+            if (user != null && CheckPassword(login, user))
+            {
+                return user;
+            }
+            return null;
+        }
+
+        public string GetToken(StoredUserModel user)
+        {
+            _ = user ?? throw new ArgumentNullException(nameof(user));
+            var provider = new TokenProviderService().GetTokenProvider(TokenProviderService.TokenType.JWT);
+            return provider.CreateToken(new Dictionary<string, object>() { { "ID", user.Mail }, { "Roles", user.Roles } });
+
+        }
+
+        private bool CheckPassword(PostUserModel submitUser, StoredUserModel storedUser)
+        {
+            return (new PasswordHasher<string>()).VerifyHashedPassword(null, storedUser.Pass, submitUser.Pass) == PasswordVerificationResult.Success;
+        }
+    }
+}

key4intranet.authentication/Service/TokenProviderService.cs

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+using key4intranet.authentication.Providers;
+using key4intranet.authentication.Providers.Jwt;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace key4intranet.authentication.Service
+{
+    public class TokenProviderService
+    {
+        public enum TokenType
+        {
+            JWT
+        }
+
+        public ITokenProvider GetTokenProvider(TokenType type)
+        {
+            return type switch
+            {
+                TokenType.JWT => (ITokenProvider)new JwtTokenProvider(),
+                _ => null,
+            };
+        }
+    }
+}