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Code Issues Projects Releases Wiki Activity

validation of the fediverse user

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This commit is contained in:
Nicolas Constant
2022-11-02 01:15:05 -04:00
parent ec3234324c
commit 15f0ad55ae
2 changed files with 41 additions and 2 deletions
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25
src/BirdsiteLive.Domain/ActivityPubService.cs
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@@ -16,12 +16,19 @@ namespace BirdsiteLive.Domain
{
public interface IActivityPubService
{
Task<string> GetUserIdAsync(string acct);
Task<Actor> GetUser(string objectId);
Task<HttpStatusCode> PostDataAsync<T>(T data, string targetHost, string actorUrl, string inbox = null);
Task PostNewNoteActivity(Note note, string username, string noteId, string targetHost,
string targetInbox);
}
public class WebFinger
{
public string subject { get; set; }
public string[] aliases { get; set; }
}
public class ActivityPubService : IActivityPubService
{
private readonly InstanceSettings _instanceSettings;
@@ -39,6 +46,24 @@ namespace BirdsiteLive.Domain
}
#endregion
public async Task<string> GetUserIdAsync(string acct)
{
var splittedAcct = acct.Trim('@').Split('@');
var url = $"https://{splittedAcct[1]}/.well-known/webfinger?resource=acct:{splittedAcct[0]}@{splittedAcct[1]}";
var httpClient = _httpClientFactory.CreateClient();
httpClient.DefaultRequestHeaders.Add("Accept", "application/json");
var result = await httpClient.GetAsync(url);
result.EnsureSuccessStatusCode();
var content = await result.Content.ReadAsStringAsync();
var actor = JsonConvert.DeserializeObject<WebFinger>(content);
return actor.aliases.FirstOrDefault();
}
public async Task<Actor> GetUser(string objectId)
{
var httpClient = _httpClientFactory.CreateClient();

18
src/BirdsiteLive.Domain/MigrationService.cs
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@@ -10,11 +10,13 @@ namespace BirdsiteLive.Domain
public class MigrationService
{
private readonly ITwitterTweetsService _twitterTweetsService;
private readonly IActivityPubService _activityPubService;
#region Ctor
public MigrationService(ITwitterTweetsService twitterTweetsService)
public MigrationService(ITwitterTweetsService twitterTweetsService, IActivityPubService activityPubService)
{
_twitterTweetsService = twitterTweetsService;
_activityPubService = activityPubService;
}
#endregion
@@ -52,11 +54,23 @@ namespace BirdsiteLive.Domain
public async Task<bool> ValidateFediverseAcctAsync(string fediverseAcct)
{
return true;
if (string.IsNullOrWhiteSpace(fediverseAcct))
throw new ArgumentException("Please provide Fediverse account");
if( !fediverseAcct.Contains('@') || fediverseAcct.Trim('@').Split('@').Length != 2)
throw new ArgumentException("Please provide valid Fediverse handle");
var objectId = await _activityPubService.GetUserIdAsync(fediverseAcct);
var user = await _activityPubService.GetUser(objectId);
if(user != null) return true;
return false;
}
public async Task MigrateAccountAsync(string acct, string tweetId, string fediverseAcct, bool triggerRemoteMigration)
{
throw new NotImplementedException("Migration not implemented");
}
private byte[] GetHash(string inputString)