61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
|
using Chatbot.Api.Application.Services;
|
|||
|
|
using Microsoft.AspNetCore.Authentication;
|
|||
|
|
using System;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
using System.Net.Http.Headers;
|
|||
|
|
using System.Security.Claims;
|
|||
|
|
using System.Text.Encodings.Web;
|
|||
|
|
using System.Text;
|
|||
|
|
using Chatbot.Api.Domain.Entities;
|
|||
|
|
using Microsoft.Extensions.Logging;
|
|||
|
|
using Microsoft.Extensions.Options;
|
|||
|
|
|
|||
|
|
namespace Chatbot.Api.Authentication
|
|||
|
|
{
|
|||
|
|
public class BasicAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
|
|||
|
|
{
|
|||
|
|
private readonly IUserService _userService;
|
|||
|
|
|
|||
|
|
public BasicAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options, ILoggerFactory logger, UrlEncoder encoder, ISystemClock clock, IUserService userService)
|
|||
|
|
: base(options, logger, encoder, clock)
|
|||
|
|
{
|
|||
|
|
_userService = userService;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
|
|||
|
|
{
|
|||
|
|
if (!Request.Headers.ContainsKey("Authorization"))
|
|||
|
|
return AuthenticateResult.Fail("Missing Authorization Header");
|
|||
|
|
|
|||
|
|
User user;
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var authHeader = AuthenticationHeaderValue.Parse(Request.Headers["Authorization"]);
|
|||
|
|
var credentialBytes = Convert.FromBase64String(authHeader.Parameter);
|
|||
|
|
var credentials = Encoding.UTF8.GetString(credentialBytes).Split(':');
|
|||
|
|
var username = credentials.First();
|
|||
|
|
var password = credentials.Last();
|
|||
|
|
user = await _userService.Authenticate(username, password);
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return AuthenticateResult.Fail("Invalid Authorization Header");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (user == null)
|
|||
|
|
return AuthenticateResult.Fail("Invalid Username or Password");
|
|||
|
|
|
|||
|
|
var claims = new[] {
|
|||
|
|
new Claim(ClaimTypes.NameIdentifier, user.Id.ToString()),
|
|||
|
|
new Claim(ClaimTypes.Name, user.UserName),
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
var identity = new ClaimsIdentity(claims, Scheme.Name);
|
|||
|
|
var principal = new ClaimsPrincipal(identity);
|
|||
|
|
var ticket = new AuthenticationTicket(principal, Scheme.Name);
|
|||
|
|
|
|||
|
|
return AuthenticateResult.Success(ticket);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|