validation of the fediverse user
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2 changed files with 41 additions and 2 deletions
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@ -16,12 +16,19 @@ namespace BirdsiteLive.Domain
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{
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public interface IActivityPubService
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{
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Task<string> GetUserIdAsync(string acct);
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Task<Actor> GetUser(string objectId);
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Task<HttpStatusCode> PostDataAsync<T>(T data, string targetHost, string actorUrl, string inbox = null);
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Task PostNewNoteActivity(Note note, string username, string noteId, string targetHost,
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string targetInbox);
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}
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public class WebFinger
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{
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public string subject { get; set; }
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public string[] aliases { get; set; }
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}
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public class ActivityPubService : IActivityPubService
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{
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private readonly InstanceSettings _instanceSettings;
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@ -39,6 +46,24 @@ namespace BirdsiteLive.Domain
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}
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#endregion
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public async Task<string> GetUserIdAsync(string acct)
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{
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var splittedAcct = acct.Trim('@').Split('@');
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var url = $"https://{splittedAcct[1]}/.well-known/webfinger?resource=acct:{splittedAcct[0]}@{splittedAcct[1]}";
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var httpClient = _httpClientFactory.CreateClient();
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httpClient.DefaultRequestHeaders.Add("Accept", "application/json");
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var result = await httpClient.GetAsync(url);
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result.EnsureSuccessStatusCode();
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var content = await result.Content.ReadAsStringAsync();
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var actor = JsonConvert.DeserializeObject<WebFinger>(content);
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return actor.aliases.FirstOrDefault();
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}
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public async Task<Actor> GetUser(string objectId)
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{
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var httpClient = _httpClientFactory.CreateClient();
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@ -10,11 +10,13 @@ namespace BirdsiteLive.Domain
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public class MigrationService
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{
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private readonly ITwitterTweetsService _twitterTweetsService;
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private readonly IActivityPubService _activityPubService;
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#region Ctor
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public MigrationService(ITwitterTweetsService twitterTweetsService)
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public MigrationService(ITwitterTweetsService twitterTweetsService, IActivityPubService activityPubService)
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{
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_twitterTweetsService = twitterTweetsService;
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_activityPubService = activityPubService;
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}
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#endregion
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@ -52,11 +54,23 @@ namespace BirdsiteLive.Domain
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public async Task<bool> ValidateFediverseAcctAsync(string fediverseAcct)
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{
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return true;
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if (string.IsNullOrWhiteSpace(fediverseAcct))
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throw new ArgumentException("Please provide Fediverse account");
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if( !fediverseAcct.Contains('@') || fediverseAcct.Trim('@').Split('@').Length != 2)
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throw new ArgumentException("Please provide valid Fediverse handle");
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var objectId = await _activityPubService.GetUserIdAsync(fediverseAcct);
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var user = await _activityPubService.GetUser(objectId);
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if(user != null) return true;
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return false;
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}
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public async Task MigrateAccountAsync(string acct, string tweetId, string fediverseAcct, bool triggerRemoteMigration)
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{
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throw new NotImplementedException("Migration not implemented");
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}
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private byte[] GetHash(string inputString)
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