/
ApiKeyAuthenticationHandler.cs
65 lines (50 loc) · 2.01 KB
/
ApiKeyAuthenticationHandler.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
using Api.IServices;
using Api.Models;
using Microsoft.AspNetCore.Authentication;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Security.Claims;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
namespace Api.AuthenticationHandlers
{
public class ApiKeyAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
{
private const string key = "secret-key";
private readonly IAuthorizationService authorizationService;
public ApiKeyAuthenticationHandler(
IAuthorizationService authorizationService,
IOptionsMonitor<AuthenticationSchemeOptions> options,
ILoggerFactory logger,
UrlEncoder encoder,
ISystemClock clock) : base(options, logger, encoder, clock)
{
this.authorizationService = authorizationService;
}
protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
{
if (!Request.Headers.ContainsKey(key) && !Request.Query.ContainsKey(key))
{
return AuthenticateResult.Fail($"Missing {key} header or query param");
}
string apiKey = null;
if (Request.Headers.ContainsKey(key))
{
apiKey = Request.Headers[key];
}
if (Request.Query.ContainsKey(key))
{
apiKey = Request.Query[key];
}
if (!authorizationService.TryAuthenticate(apiKey, out Application application))
{
return AuthenticateResult.Fail("Invalid API Key");
}
ClaimsIdentity identity = new ClaimsIdentity(Scheme.Name);
identity.AddClaim(new Claim(ClaimTypes.Name, application.Name));
ClaimsPrincipal principal = new ClaimsPrincipal(identity);
AuthenticationTicket ticket = new AuthenticationTicket(principal, Scheme.Name);
return AuthenticateResult.Success(ticket);
}
}
}