Foxnouns.NET/Foxnouns.Backend/Extensions/KeyCacheExtensions.cs

92 lines
2.9 KiB
C#

using Foxnouns.Backend.Database;
using Foxnouns.Backend.Database.Models;
using Foxnouns.Backend.Services;
using Foxnouns.Backend.Utils;
using Newtonsoft.Json;
using NodaTime;
namespace Foxnouns.Backend.Extensions;
public static class KeyCacheExtensions
{
public static async Task<string> GenerateAuthStateAsync(
this KeyCacheService keyCacheService,
CancellationToken ct = default
)
{
var state = AuthUtils.RandomToken().Replace('+', '-').Replace('/', '_');
await keyCacheService.SetKeyAsync($"oauth_state:{state}", "", Duration.FromMinutes(10), ct);
return state;
}
public static async Task ValidateAuthStateAsync(
this KeyCacheService keyCacheService,
string state,
CancellationToken ct = default
)
{
var val = await keyCacheService.GetKeyAsync($"oauth_state:{state}", ct: ct);
if (val == null)
throw new ApiError.BadRequest("Invalid OAuth state");
}
public static async Task<string> GenerateRegisterEmailStateAsync(
this KeyCacheService keyCacheService,
string email,
Snowflake? userId = null,
CancellationToken ct = default
)
{
// This state is used in links, not just as JSON values, so make it URL-safe
var state = AuthUtils.RandomToken().Replace('+', '-').Replace('/', '_');
await keyCacheService.SetKeyAsync(
$"email_state:{state}",
new RegisterEmailState(email, userId),
Duration.FromDays(1),
ct
);
return state;
}
public static async Task<RegisterEmailState?> GetRegisterEmailStateAsync(
this KeyCacheService keyCacheService,
string state,
CancellationToken ct = default
) => await keyCacheService.GetKeyAsync<RegisterEmailState>($"email_state:{state}", ct: ct);
public static async Task<string> GenerateAddExtraAccountStateAsync(
this KeyCacheService keyCacheService,
AuthType authType,
Snowflake userId,
string? instance = null,
CancellationToken ct = default
)
{
var state = AuthUtils.RandomToken();
await keyCacheService.SetKeyAsync(
$"add_account:{state}",
new AddExtraAccountState(authType, userId, instance),
Duration.FromDays(1),
ct
);
return state;
}
public static async Task<AddExtraAccountState?> GetAddExtraAccountStateAsync(
this KeyCacheService keyCacheService,
string state,
CancellationToken ct = default
) =>
await keyCacheService.GetKeyAsync<AddExtraAccountState>(
$"add_account:{state}",
delete: true,
ct
);
}
public record RegisterEmailState(
string Email,
[property: JsonProperty(NullValueHandling = NullValueHandling.Ignore)] Snowflake? ExistingUserId
);
public record AddExtraAccountState(AuthType AuthType, Snowflake UserId, string? Instance = null);