103 lines
3.3 KiB
Elixir
103 lines
3.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.TwitterAPI.RemoteFollowController do
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use Pleroma.Web, :controller
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require Logger
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alias Pleroma.Activity
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alias Pleroma.Object.Fetcher
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alias Pleroma.Plugs.OAuthScopesPlug
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alias Pleroma.User
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alias Pleroma.Web.Auth.Authenticator
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alias Pleroma.Web.CommonAPI
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@status_types ["Article", "Event", "Note", "Video", "Page", "Question"]
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plug(OAuthScopesPlug, %{scopes: ["follow", "write:follows"]} when action in [:do_follow])
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# GET /ostatus_subscribe
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#
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def follow(%{assigns: %{user: user}} = conn, %{"acct" => acct}) do
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case is_status?(acct) do
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true -> follow_status(conn, user, acct)
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_ -> follow_account(conn, user, acct)
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end
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end
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defp follow_status(conn, _user, acct) do
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with {:ok, object} <- Fetcher.fetch_object_from_id(acct),
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%Activity{id: activity_id} <- Activity.get_create_by_object_ap_id(object.data["id"]) do
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redirect(conn, to: "/notice/#{activity_id}")
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else
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error ->
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handle_follow_error(conn, error)
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end
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end
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defp follow_account(conn, user, acct) do
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with {:ok, followee} <- User.get_or_fetch(acct) do
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render(conn, follow_template(user), %{error: false, followee: followee, acct: acct})
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else
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{:error, _reason} ->
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render(conn, follow_template(user), %{error: :error})
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end
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end
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defp follow_template(%User{} = _user), do: "follow.html"
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defp follow_template(_), do: "follow_login.html"
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defp is_status?(acct) do
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case Fetcher.fetch_and_contain_remote_object_from_id(acct) do
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{:ok, %{"type" => type}} when type in @status_types ->
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true
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_ ->
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false
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end
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end
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# POST /ostatus_subscribe
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#
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def do_follow(conn, %{"authorization" => %{"name" => _, "password" => _, "id" => id}}) do
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with {:fetch_user, %User{} = followee} <- {:fetch_user, User.get_cached_by_id(id)},
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{_, {:ok, user}, _} <- {:auth, Authenticator.get_user(conn), followee},
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{:ok, _, _, _} <- CommonAPI.follow(user, followee) do
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render(conn, "followed.html", %{error: false})
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else
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error ->
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handle_follow_error(conn, error)
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end
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end
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def do_follow(%{assigns: %{user: user}} = conn, %{"user" => %{"id" => id}}) do
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with {:fetch_user, %User{} = followee} <- {:fetch_user, User.get_cached_by_id(id)},
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{:ok, _, _, _} <- CommonAPI.follow(user, followee) do
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render(conn, "followed.html", %{error: false})
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else
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error ->
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handle_follow_error(conn, error)
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end
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end
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defp handle_follow_error(conn, {:auth, _, followee} = _) do
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render(conn, "follow_login.html", %{error: "Wrong username or password", followee: followee})
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end
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defp handle_follow_error(conn, {:fetch_user, error} = _) do
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Logger.debug("Remote follow failed with error #{inspect(error)}")
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render(conn, "followed.html", %{error: "Could not find user"})
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end
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defp handle_follow_error(conn, {:error, "Could not follow user:" <> _} = _) do
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render(conn, "followed.html", %{error: "Error following account"})
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end
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defp handle_follow_error(conn, error) do
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Logger.debug("Remote follow failed with error #{inspect(error)}")
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render(conn, "followed.html", %{error: "Something went wrong."})
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end
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end
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