From beb13bf3a9b207119d70bb817ff1ea92f17a11be Mon Sep 17 00:00:00 2001
From: eal <eal@waifu.club>
Date: Thu, 18 Jan 2018 18:42:44 +0200
Subject: Revert "Revert "Add remote follow pages.""

This reverts commit b259b4e4d1dc27528b99744fffabfb05c676ec3f.
---
 .../web/twitter_api/controllers/util_controller.ex | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'lib/pleroma/web/twitter_api/controllers/util_controller.ex')

diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index 9d5654995..a1d56e3ab 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -2,6 +2,8 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   use Pleroma.Web, :controller
   require Logger
   alias Pleroma.Web
+  alias Pleroma.Web.OStatus
+  alias Comeonin.Pbkdf2
   alias Pleroma.Formatter
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.{Repo, PasswordResetToken, User}
@@ -30,6 +32,52 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
     json(conn, "ok")
   end
 
+  def remote_follow(%{assigns: %{user: user}} = conn, %{"acct" => acct}) do
+    {err, followee} = OStatus.find_or_make_user(acct)
+    avatar = User.avatar_url(followee)
+    name = followee.nickname
+    id = followee.id
+
+    if !!user do
+      conn
+      |> render("follow.html", %{error: err, acct: acct, avatar: avatar, name: name, id: id})
+    else
+      conn
+      |> render("follow_login.html", %{error: false, acct: acct, avatar: avatar, name: name, id: id})
+    end
+  end
+
+  def do_remote_follow(conn, %{"authorization" => %{"name" => username, "password" => password, "id" => id}}) do
+    followee = Repo.get(User, id)
+    avatar = User.avatar_url(followee)
+    name = followee.nickname
+    with %User{} = user <- User.get_cached_by_nickname(username),
+         true <- Pbkdf2.checkpw(password, user.password_hash),
+           %User{} = followed <- Repo.get(User, id),
+         {:ok, follower} <- User.follow(user, followee),
+         {:ok, _activity} <- ActivityPub.follow(follower, followee) do
+      conn
+      |> render("followed.html", %{error: false})
+    else
+      _e ->
+        conn
+        |> render("follow_login.html", %{error: "Wrong username or password", id: id, name: name, avatar: avatar})
+    end
+  end
+  def do_remote_follow(%{assigns: %{user: user}} = conn, %{"user" => %{"id" => id}}) do
+    with %User{} = followee <- Repo.get(User, id),
+         {:ok, follower} <- User.follow(user, followee),
+         {:ok, _activity} <- ActivityPub.follow(follower, followee) do
+      conn
+      |> render("followed.html", %{error: false})
+    else
+      e ->
+        Logger.debug("Remote follow failed with error #{inspect e}")
+      conn
+      |> render("followed.html", %{error: inspect(e)})
+    end
+  end
+
   @instance Application.get_env(:pleroma, :instance)
   def config(conn, _params) do
     case get_format(conn) do
-- 
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