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defmodule Pleroma.Web.OStatus.OStatusController do
use Pleroma.Web, :controller
alias Pleroma.{User, Activity}
alias Pleroma.Web.OStatus.{FeedRepresenter, ActivityRepresenter}
alias Pleroma.Repo
alias Pleroma.Web.{OStatus, Federator}
alias Pleroma.Web.XML
alias Pleroma.Web.ActivityPub.ActivityPubController
alias Pleroma.Web.ActivityPub.ActivityPub
import Ecto.Query
def feed_redirect(conn, %{"nickname" => nickname} = params) do
user = User.get_cached_by_nickname(nickname)
case get_format(conn) do
"html" -> Fallback.RedirectController.redirector(conn, nil)
"activity+json" -> ActivityPubController.user(conn, params)
_ -> redirect(conn, external: OStatus.feed_path(user))
end
end
def feed(conn, %{"nickname" => nickname} = params) do
user = User.get_cached_by_nickname(nickname)
query_params =
Map.take(params, ["max_id"])
|> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
activities =
ActivityPub.fetch_public_activities(query_params)
|> Enum.reverse()
response =
user
|> FeedRepresenter.to_simple_form(activities, [user])
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
conn
|> put_resp_content_type("application/atom+xml")
|> send_resp(200, response)
end
defp decode_or_retry(body) do
with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
{:ok, doc}
else
_e ->
with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
doc <- XML.parse_document(decoded),
uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
{:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
{:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
{:ok, doc}
end
end
end
def salmon_incoming(conn, _) do
{:ok, body, _conn} = read_body(conn)
{:ok, doc} = decode_or_retry(body)
Federator.enqueue(:incoming_doc, doc)
conn
|> send_resp(200, "")
end
# TODO: Data leak
def object(conn, %{"uuid" => uuid} = params) do
if get_format(conn) == "activity+json" do
ActivityPubController.object(conn, params)
else
with id <- o_status_url(conn, :object, uuid),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
case get_format(conn) do
"html" -> redirect(conn, to: "/notice/#{activity.id}")
_ -> represent_activity(conn, activity, user)
end
end
end
end
# TODO: Data leak
def activity(conn, %{"uuid" => uuid}) do
with id <- o_status_url(conn, :activity, uuid),
%Activity{} = activity <- Activity.get_by_ap_id(id),
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
case get_format(conn) do
"html" -> redirect(conn, to: "/notice/#{activity.id}")
_ -> represent_activity(conn, activity, user)
end
end
end
# TODO: Data leak
def notice(conn, %{"id" => id}) do
with %Activity{} = activity <- Repo.get(Activity, id),
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
case get_format(conn) do
"html" ->
conn
|> put_resp_content_type("text/html")
|> send_file(200, "priv/static/index.html")
_ ->
represent_activity(conn, activity, user)
end
end
end
defp represent_activity(conn, activity, user) do
response =
activity
|> ActivityRepresenter.to_simple_form(user, true)
|> ActivityRepresenter.wrap_with_entry()
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
conn
|> put_resp_content_type("application/atom+xml")
|> send_resp(200, response)
end
end
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