Beispiel #1
0
        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\""));
        }
Beispiel #2
0
        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));
        }