public async Task <IActionResult> Proxy(string id)
{
if (User.FindFirstValue(JwtTokenSettings.ActorClaim) == null)
{
return(Unauthorized());
}
APEntity entity = null;
if (id.StartsWith('@'))
{
id = id.Substring(1);
var spl = id.Split(new char[] { '@' }, 2);
var host = spl.Length > 1 ? spl[1] : Request.Host.ToString();
var ent = await _relevantEntities.FindEntitiesWithPreferredUsername(spl[0]);
var withHost = ent.FirstOrDefault(a => new Uri(a.Id).Host == host);
if (withHost == null && spl.Length == 1)
{
return(NotFound());
}
entity = withHost;
if (entity == null && spl.Length > 1)
{
var hc = new HttpClient();
var webfinger = JsonConvert.DeserializeObject <WellKnownController.WebfingerResult>(await hc.GetStringAsync($"https://{host}/.well-known/webfinger?resource=acct:{id}"));
var activityStreams = webfinger.links.FirstOrDefault(a => a.rel == "self" && (a.type == "application/activity+json" || a.type == "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""));
if (activityStreams == null)
{
return(NotFound());
}
id = activityStreams.href;
}
}
if (entity == null)
{
entity = await _entityStore.GetEntity(id, true);
}
if (entity == null)
{
return(NotFound());
}
var unflattened = await _entityFlattener.Unflatten(_entityStore, entity);
return(Content(unflattened.Serialize(true).ToString(), "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""));
}
public async Task <IActionResult> WebFinger(string resource)
{
if (!resource.StartsWith("acct:"))
{
return(Unauthorized());
}
var username = resource.Split(':')[1].Split('@');
var items = await _relevantEntities.FindEntitiesWithPreferredUsername(username[0]);
if (items.Count == 0)
{
return(NotFound());
}
var item = items.First();
var result = new WebfingerResult()
{
subject = resource,
aliases = new List <string>()
{
item.Id
},
links = new List <WebfingerLink>
{
new WebfingerLink
{
rel = "http://webfinger.net/rel/profile-page",
type = "text/html",
href = item.Id
},
new WebfingerLink
{
rel = "self",
type = "application/activity+json",
href = item.Id
},
new WebfingerLink
{
rel = "self",
type = "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
href = item.Id
},
new WebfingerLink
{
rel = "http://ostatus.org/schema/1.0/subscribe",
template = item.Id + "#id=%40{uri}"
}
}
};
var salmon = await _keyService.GetKey(item.Id);
var magicKey = new MagicKey(salmon.PrivateKey);
result.links.Add(new WebfingerLink
{
rel = "magic-public-key",
href = "data:application/magic-public-key," + magicKey.PublicKey
});
return(Json(result));
}