40 lines
1.8 KiB
C#
40 lines
1.8 KiB
C#
using Microsoft.AspNetCore.Authentication;
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using Microsoft.AspNetCore.Authentication.OAuth;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using Newtonsoft.Json.Linq;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Security.Claims;
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using System.Text.Encodings.Web;
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using System.Threading.Tasks;
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namespace Discord.OAuth2
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{
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internal class DiscordHandler : OAuthHandler<DiscordOptions>
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{
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public DiscordHandler(IOptionsMonitor<DiscordOptions> options, ILoggerFactory logger, UrlEncoder encoder, ISystemClock clock)
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: base(options, logger, encoder, clock)
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{
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}
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protected override async Task<AuthenticationTicket> CreateTicketAsync(ClaimsIdentity identity, AuthenticationProperties properties, OAuthTokenResponse tokens)
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{
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var request = new HttpRequestMessage(HttpMethod.Get, Options.UserInformationEndpoint);
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request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", tokens.AccessToken);
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request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
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var response = await Backchannel.SendAsync(request, Context.RequestAborted);
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if (!response.IsSuccessStatusCode)
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throw new HttpRequestException($"Failed to retrieve Discord user information ({response.StatusCode}).");
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var payload = JObject.Parse(await response.Content.ReadAsStringAsync());
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var context = new OAuthCreatingTicketContext(new ClaimsPrincipal(identity), properties, Context, Scheme, Options, Backchannel, tokens, payload);
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context.RunClaimActions();
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await Events.CreatingTicket(context);
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return new AuthenticationTicket(context.Principal, context.Properties, Scheme.Name);
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}
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}
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}
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