alias Pleroma.Repo
alias Pleroma.Web.Websub.{WebsubServerSubscription, WebsubClientSubscription}
alias Pleroma.Web.OStatus.FeedRepresenter
- alias Pleroma.Web.OStatus
- alias Pleroma.Web.XML
+ alias Pleroma.Web.{XML, Endpoint, OStatus}
+ alias Pleroma.Web.Router.Helpers
require Logger
import Ecto.Query
Enum.each(subscriptions, fn(sub) ->
response = FeedRepresenter.to_simple_form(user, [activity], [user])
|> :xmerl.export_simple(:xmerl_xml)
+ |> to_string
- signature = :crypto.hmac(:sha, sub.secret, response) |> Base.encode16
-
+ signature = sign(sub.secret, response)
HTTPoison.post(sub.callback, response, [
{"Content-Type", "application/atom+xml"},
{"X-Hub-Signature", "sha1=#{signature}"}
end)
end
+ def sign(secret, doc) do
+ :crypto.hmac(:sha, secret, to_string(doc)) |> Base.encode16
+ end
+
def incoming_subscription_request(user, %{"hub.mode" => "subscribe"} = params) do
with {:ok, topic} <- valid_topic(params, user),
{:ok, lease_time} <- lease_time(params),
{:ok, websub}
else {:error, reason} ->
+ Logger.debug("Couldn't create subscription.")
+ Logger.debug(inspect(reason))
+
{:error, reason}
end
end
Repo.get_by(WebsubServerSubscription, topic: topic, callback: callback) || %WebsubServerSubscription{}
end
+ # Temp hack for mastodon.
+ defp lease_time(%{"hub.lease_seconds" => ""}) do
+ {:ok, 60 * 60 * 24 * 3} # three days
+ end
+
defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
{:ok, String.to_integer(lease_seconds)}
end
defp valid_topic(%{"hub.topic" => topic}, user) do
if topic == OStatus.feed_path(user) do
- {:ok, topic}
+ {:ok, OStatus.feed_path(user)}
else
{:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
end
end
- def subscribe(user, topic, requester \\ &request_subscription/1) do
+ def subscribe(subscriber, subscribed, requester \\ &request_subscription/1) do
+ topic = subscribed.info["topic"]
# FIXME: Race condition, use transactions
{:ok, subscription} = with subscription when not is_nil(subscription) <- Repo.get_by(WebsubClientSubscription, topic: topic) do
- subscribers = [user.ap_id, subscription.subcribers] |> Enum.uniq
+ subscribers = [subscriber.ap_id, subscription.subscribers] |> Enum.uniq
change = Ecto.Changeset.change(subscription, %{subscribers: subscribers})
Repo.update(change)
else _e ->
subscription = %WebsubClientSubscription{
topic: topic,
- subscribers: [user.ap_id],
+ hub: subscribed.info["hub"],
+ subscribers: [subscriber.ap_id],
state: "requested",
secret: :crypto.strong_rand_bytes(8) |> Base.url_encode64,
- user: user
+ user: subscribed
}
Repo.insert(subscription)
end
requester.(subscription)
end
- def discover(topic, getter \\ &HTTPoison.get/1) do
+ def gather_feed_data(topic, getter \\ &HTTPoison.get/1) do
with {:ok, response} <- getter.(topic),
status_code when status_code in 200..299 <- response.status_code,
body <- response.body,
doc <- XML.parse_document(body),
- url when not is_nil(url) <- XML.string_from_xpath(~S{/feed/link[@rel="self"]/@href}, doc),
+ uri when not is_nil(uri) <- XML.string_from_xpath("/feed/author[1]/uri", doc),
hub when not is_nil(hub) <- XML.string_from_xpath(~S{/feed/link[@rel="hub"]/@href}, doc) do
- {:ok, %{url: url, hub: hub}}
+
+ name = XML.string_from_xpath("/feed/author[1]/name", doc)
+ preferredUsername = XML.string_from_xpath("/feed/author[1]/poco:preferredUsername", doc)
+ displayName = XML.string_from_xpath("/feed/author[1]/poco:displayName", doc)
+ avatar = OStatus.make_avatar_object(doc)
+
+ {:ok, %{
+ uri: uri,
+ hub: hub,
+ nickname: preferredUsername || name,
+ name: displayName || name,
+ host: URI.parse(uri).host,
+ avatar: avatar
+ }}
else e ->
{:error, e}
end
"hub.mode": "subscribe",
"hub.topic": websub.topic,
"hub.secret": websub.secret,
- "hub.callback": "https://social.heldscal.la/callback"
+ "hub.callback": Helpers.websub_url(Endpoint, :websub_subscription_confirmation, websub.id)
]
# This checks once a second if we are confirmed yet