public TwitterUser GetUser(string username)
{
if (!_userCache.TryGetValue(username, out TwitterUser user))
{
user = _twitterService.GetUser(username);
if (user != null)
{
_userCache.Set(username, user, _cacheEntryOptions);
}
}
return(user);
}
public IActionResult Index(string id)
{
_logger.LogTrace("User Index: {Id}", id);
id = id.Trim(new[] { ' ', '@' }).ToLowerInvariant();
// Ensure valid username
// https://help.twitter.com/en/managing-your-account/twitter-username-rules
TwitterUser user = null;
if (!string.IsNullOrWhiteSpace(id) && UserRegexes.TwitterAccount.IsMatch(id) && id.Length <= 15)
{
user = _twitterUserService.GetUser(id);
}
var acceptHeaders = Request.Headers["Accept"];
if (acceptHeaders.Any())
{
var r = acceptHeaders.First();
if (r.Contains("application/activity+json"))
{
if (user == null)
{
return(NotFound());
}
var apUser = _userService.GetUser(user);
var jsonApUser = JsonConvert.SerializeObject(apUser);
return(Content(jsonApUser, "application/activity+json; charset=utf-8"));
}
}
if (user == null)
{
return(View("UserNotFound"));
}
var displayableUser = new DisplayTwitterUser
{
Name = user.Name,
Description = user.Description,
Acct = user.Acct.ToLowerInvariant(),
Url = user.Url,
ProfileImageUrl = user.ProfileImageUrl,
Protected = user.Protected,
InstanceHandle = $"@{user.Acct.ToLowerInvariant()}@{_instanceSettings.Domain}"
};
return(View(displayableUser));
}
public ExtractedTweet[] GetTimeline(string username, int nberTweets, long fromTweetId = -1)
{
TweetinviConfig.CurrentThreadSettings.TweetMode = TweetMode.Extended;
var user = _twitterUserService.GetUser(username);
if (user.Protected)
{
return(new ExtractedTweet[0]);
}
var tweets = new List <ITweet>();
try
{
if (fromTweetId == -1)
{
var timeline = Timeline.GetUserTimeline(user.Id, nberTweets);
_statisticsHandler.CalledTimelineApi();
if (timeline != null)
{
tweets.AddRange(timeline);
}
}
else
{
var timelineRequestParameters = new UserTimelineParameters
{
SinceId = fromTweetId,
MaximumNumberOfTweetsToRetrieve = nberTweets
};
var timeline = Timeline.GetUserTimeline(user.Id, timelineRequestParameters);
_statisticsHandler.CalledTimelineApi();
if (timeline != null)
{
tweets.AddRange(timeline);
}
}
}
catch (Exception e)
{
_logger.LogError(e, "Error retrieving timeline from {Username}, from {TweetId}", username, fromTweetId);
}
return(tweets.Select(_tweetExtractor.Extract).ToArray());
}
public IActionResult Index(string id)
{
id = id.Trim(new[] { ' ', '@' }).ToLowerInvariant();
var user = _twitterUserService.GetUser(id);
var acceptHeaders = Request.Headers["Accept"];
if (acceptHeaders.Any())
{
var r = acceptHeaders.First();
if (r.Contains("application/activity+json"))
{
if (user == null)
{
return(NotFound());
}
var apUser = _userService.GetUser(user);
var jsonApUser = JsonConvert.SerializeObject(apUser);
return(Content(jsonApUser, "application/activity+json; charset=utf-8"));
}
}
if (user == null)
{
return(View("UserNotFound"));
}
var displayableUser = new DisplayTwitterUser
{
Name = user.Name,
Description = user.Description,
Acct = user.Acct.ToLowerInvariant(),
Url = user.Url,
ProfileImageUrl = user.ProfileImageUrl,
Protected = user.Protected,
InstanceHandle = $"@{user.Acct.ToLowerInvariant()}@{_instanceSettings.Domain}"
};
return(View(displayableUser));
}
public ExtractedTweet[] GetTimeline(string username, int nberTweets, long fromTweetId = -1)
{
var tweets = new List <ITweet>();
_twitterAuthenticationInitializer.EnsureAuthenticationIsInitialized();
ExceptionHandler.SwallowWebExceptions = false;
TweetinviConfig.CurrentThreadSettings.TweetMode = TweetMode.Extended;
var user = _twitterUserService.GetUser(username);
if (user == null || user.Protected)
{
return(new ExtractedTweet[0]);
}
if (fromTweetId == -1)
{
var timeline = Timeline.GetUserTimeline(user.Id, nberTweets);
_statisticsHandler.CalledTimelineApi();
if (timeline != null)
{
tweets.AddRange(timeline);
}
}
else
{
var timelineRequestParameters = new UserTimelineParameters
{
SinceId = fromTweetId,
MaximumNumberOfTweetsToRetrieve = nberTweets
};
var timeline = Timeline.GetUserTimeline(user.Id, timelineRequestParameters);
_statisticsHandler.CalledTimelineApi();
if (timeline != null)
{
tweets.AddRange(timeline);
}
}
return(tweets.Select(_tweetExtractor.Extract).ToArray());
}
public IActionResult Webfinger(string resource = null)
{
var acct = resource.Split("acct:")[1].Trim();
string name = null;
string domain = null;
var splitAcct = acct.Split('@', StringSplitOptions.RemoveEmptyEntries);
var atCount = acct.Count(x => x == '@');
if (atCount == 1 && acct.StartsWith('@'))
{
name = splitAcct[1];
}
else if (atCount == 1 || atCount == 2)
{
name = splitAcct[0];
domain = splitAcct[1];
}
else
{
return(BadRequest());
}
// Ensure lowercase
name = name.ToLowerInvariant();
if (!string.IsNullOrWhiteSpace(domain) && domain != _settings.Domain)
{
return(NotFound());
}
var user = _twitterUserService.GetUser(name);
if (user == null)
{
return(NotFound());
}
var actorUrl = UrlFactory.GetActorUrl(_settings.Domain, name);
var result = new WebFingerResult()
{
subject = $"acct:{name}@{_settings.Domain}",
aliases = new[]
{
actorUrl
},
links = new List <WebFingerLink>
{
new WebFingerLink()
{
rel = "http://webfinger.net/rel/profile-page",
type = "text/html",
href = actorUrl
},
new WebFingerLink()
{
rel = "self",
type = "application/activity+json",
href = actorUrl
}
}
};
return(new JsonResult(result));
}