Services, service registration and dependency injection for auth

dotnet/AipsCore/Infrastructure/Persistence/Authentication/JwtTokenProvider.cs

@@ -0,0 +1,44 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using AipsCore.Application.Abstract.UserContext;
+using Microsoft.IdentityModel.Tokens;
+
+namespace AipsCore.Infrastructure.Persistence.Authentication;
+
+public class JwtTokenProvider : ITokenProvider
+{
+    private readonly JwtSettings _jwtSettings;
+    
+    public JwtTokenProvider(JwtSettings jwtSettings)
+    {
+        _jwtSettings = jwtSettings;
+    }
+    
+    public string Generate(Domain.Models.User.User user, IList<string> roles)
+    {
+        var claims = new List<Claim>
+        {
+            new Claim(ClaimTypes.NameIdentifier, user.Id.IdValue),
+            new Claim(ClaimTypes.Email, user.Email.EmailValue)
+        };
+        
+        foreach (var role in roles)
+        {
+            claims.Add(new Claim(ClaimTypes.Role, role));
+        }
+
+        var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtSettings.Key));
+
+        var credentials = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
+
+        var token = new JwtSecurityToken(
+            issuer: _jwtSettings.Issuer,
+            audience: _jwtSettings.Audience,
+            claims: claims,
+            expires: DateTime.UtcNow.AddMinutes(_jwtSettings.ExpirationMinutes),
+            signingCredentials: credentials);
+        
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}