defmodule Pleroma.Web.Websub do
alias Pleroma.Repo
+ alias Pleroma.Websub
+ alias Pleroma.Web.Websub.WebsubServerSubscription
+ alias Pleroma.Web.OStatus.FeedRepresenter
+
+ import Ecto.Query
def verify(subscription, getter \\ &HTTPoison.get/3 ) do
challenge = Base.encode16(:crypto.strong_rand_bytes(8))
- lease_seconds = NaiveDateTime.diff(subscription.inserted_at, subscription.valid_until)
- with {:ok, response} <- getter.(subscription.callback, [], [params: %{
- "hub.challenge": challenge,
- "hub.lease_seconds": lease_seconds,
- "hub.topic": subscription.topic,
- "hub.mode": "subscribe"
- }]),
+ lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.inserted_at) |> to_string
+
+ params = %{
+ "hub.challenge": challenge,
+ "hub.lease_seconds": lease_seconds,
+ "hub.topic": subscription.topic,
+ "hub.mode": "subscribe"
+ }
+
+ url = hd(String.split(subscription.callback, "?"))
+ query = URI.parse(subscription.callback).query || ""
+ params = Map.merge(params, URI.decode_query(query))
+ with {:ok, response} <- getter.(url, [], [params: params]),
^challenge <- response.body
do
changeset = Ecto.Changeset.change(subscription, %{state: "active"})
{:error, subscription}
end
end
+
+ def publish(topic, user, activity) do
+ query = from sub in WebsubServerSubscription,
+ where: sub.topic == ^topic and sub.state == "active"
+ subscriptions = Repo.all(query)
+ Enum.each(subscriptions, fn(sub) ->
+ response = FeedRepresenter.to_simple_form(user, [activity], [user])
+ |> :xmerl.export_simple(:xmerl_xml)
+
+ signature = :crypto.hmac(:sha, sub.secret, response) |> Base.encode16
+
+ HTTPoison.post(sub.callback, response, [
+ {"Content-Type", "application/atom+xml"},
+ {"X-Hub-Signature", "sha1=#{signature}"}
+ ])
+ end)
+ end
end