git.squeep.com Git - akkoma/blob - lib/pleroma/web/twitter_api/twitter_api_controller.ex

   1 defmodule Pleroma.Web.TwitterAPI.Controller do
   2   use Pleroma.Web, :controller
   3
   4   import Pleroma.Web.ControllerHelper, only: [json_response: 3]
   5
   6   alias Pleroma.Formatter
   7   alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView}
   8   alias Pleroma.Web.CommonAPI
   9   alias Pleroma.{Repo, Activity, Object, User, Notification}
  10   alias Pleroma.Web.ActivityPub.ActivityPub
  11   alias Pleroma.Web.ActivityPub.Utils
  12   alias Ecto.Changeset
  13
  14   require Logger
  15
  16   plug(:only_if_public_instance when action in [:public_timeline, :public_and_external_timeline])
  17   action_fallback(:errors)
  18
  19   def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
  20     token = Phoenix.Token.sign(conn, "user socket", user.id)
  21     render(conn, UserView, "show.json", %{user: user, token: token})
  22   end
  23
  24   def status_update(%{assigns: %{user: user}} = conn, %{"status" => _} = status_data) do
  25     with media_ids <- extract_media_ids(status_data),
  26          {:ok, activity} <-
  27            TwitterAPI.create_status(user, Map.put(status_data, "media_ids", media_ids)) do
  28       conn
  29       |> json(ActivityView.render("activity.json", activity: activity, for: user))
  30     else
  31       _ -> empty_status_reply(conn)
  32     end
  33   end
  34
  35   def status_update(conn, _status_data) do
  36     empty_status_reply(conn)
  37   end
  38
  39   defp empty_status_reply(conn) do
  40     bad_request_reply(conn, "Client must provide a 'status' parameter with a value.")
  41   end
  42
  43   defp extract_media_ids(status_data) do
  44     with media_ids when not is_nil(media_ids) <- status_data["media_ids"],
  45          split_ids <- String.split(media_ids, ","),
  46          clean_ids <- Enum.reject(split_ids, fn id -> String.length(id) == 0 end) do
  47       clean_ids
  48     else
  49       _e -> []
  50     end
  51   end
  52
  53   def public_and_external_timeline(%{assigns: %{user: user}} = conn, params) do
  54     params =
  55       params
  56       |> Map.put("type", ["Create", "Announce"])
  57       |> Map.put("blocking_user", user)
  58
  59     activities = ActivityPub.fetch_public_activities(params)
  60
  61     conn
  62     |> render(ActivityView, "index.json", %{activities: activities, for: user})
  63   end
  64
  65   def public_timeline(%{assigns: %{user: user}} = conn, params) do
  66     params =
  67       params
  68       |> Map.put("type", ["Create", "Announce"])
  69       |> Map.put("local_only", true)
  70       |> Map.put("blocking_user", user)
  71
  72     activities = ActivityPub.fetch_public_activities(params)
  73
  74     conn
  75     |> render(ActivityView, "index.json", %{activities: activities, for: user})
  76   end
  77
  78   def friends_timeline(%{assigns: %{user: user}} = conn, params) do
  79     params =
  80       params
  81       |> Map.put("type", ["Create", "Announce", "Follow", "Like"])
  82       |> Map.put("blocking_user", user)
  83       |> Map.put("user", user)
  84
  85     activities =
  86       ActivityPub.fetch_activities([user.ap_id | user.following], params)
  87       |> ActivityPub.contain_timeline(user)
  88
  89     conn
  90     |> render(ActivityView, "index.json", %{activities: activities, for: user})
  91   end
  92
  93   def show_user(conn, params) do
  94     with {:ok, shown} <- TwitterAPI.get_user(params) do
  95       if user = conn.assigns.user do
  96         render(conn, UserView, "show.json", %{user: shown, for: user})
  97       else
  98         render(conn, UserView, "show.json", %{user: shown})
  99       end
 100     else
 101       {:error, msg} ->
 102         bad_request_reply(conn, msg)
 103     end
 104   end
 105
 106   def user_timeline(%{assigns: %{user: user}} = conn, params) do
 107     case TwitterAPI.get_user(user, params) do
 108       {:ok, target_user} ->
 109         activities = ActivityPub.fetch_user_activities(target_user, user, params)
 110
 111         conn
 112         |> render(ActivityView, "index.json", %{activities: activities, for: user})
 113
 114       {:error, msg} ->
 115         bad_request_reply(conn, msg)
 116     end
 117   end
 118
 119   def mentions_timeline(%{assigns: %{user: user}} = conn, params) do
 120     params =
 121       params
 122       |> Map.put("type", ["Create", "Announce", "Follow", "Like"])
 123       |> Map.put("blocking_user", user)
 124
 125     activities = ActivityPub.fetch_activities([user.ap_id], params)
 126
 127     conn
 128     |> render(ActivityView, "index.json", %{activities: activities, for: user})
 129   end
 130
 131   def dm_timeline(%{assigns: %{user: user}} = conn, params) do
 132     query =
 133       ActivityPub.fetch_activities_query(
 134         [user.ap_id],
 135         Map.merge(params, %{"type" => "Create", "user" => user, visibility: "direct"})
 136       )
 137
 138     activities = Repo.all(query)
 139
 140     conn
 141     |> render(ActivityView, "index.json", %{activities: activities, for: user})
 142   end
 143
 144   def notifications(%{assigns: %{user: user}} = conn, params) do
 145     notifications = Notification.for_user(user, params)
 146
 147     conn
 148     |> render(NotificationView, "notification.json", %{notifications: notifications, for: user})
 149   end
 150
 151   def notifications_read(%{assigns: %{user: user}} = conn, %{"latest_id" => latest_id} = params) do
 152     Notification.set_read_up_to(user, latest_id)
 153
 154     notifications = Notification.for_user(user, params)
 155
 156     conn
 157     |> render(NotificationView, "notification.json", %{notifications: notifications, for: user})
 158   end
 159
 160   def notifications_read(%{assigns: %{user: _user}} = conn, _) do
 161     bad_request_reply(conn, "You need to specify latest_id")
 162   end
 163
 164   def follow(%{assigns: %{user: user}} = conn, params) do
 165     case TwitterAPI.follow(user, params) do
 166       {:ok, user, followed, _activity} ->
 167         render(conn, UserView, "show.json", %{user: followed, for: user})
 168
 169       {:error, msg} ->
 170         forbidden_json_reply(conn, msg)
 171     end
 172   end
 173
 174   def block(%{assigns: %{user: user}} = conn, params) do
 175     case TwitterAPI.block(user, params) do
 176       {:ok, user, blocked} ->
 177         render(conn, UserView, "show.json", %{user: blocked, for: user})
 178
 179       {:error, msg} ->
 180         forbidden_json_reply(conn, msg)
 181     end
 182   end
 183
 184   def unblock(%{assigns: %{user: user}} = conn, params) do
 185     case TwitterAPI.unblock(user, params) do
 186       {:ok, user, blocked} ->
 187         render(conn, UserView, "show.json", %{user: blocked, for: user})
 188
 189       {:error, msg} ->
 190         forbidden_json_reply(conn, msg)
 191     end
 192   end
 193
 194   def delete_post(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 195     with {:ok, activity} <- TwitterAPI.delete(user, id) do
 196       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 197     end
 198   end
 199
 200   def unfollow(%{assigns: %{user: user}} = conn, params) do
 201     case TwitterAPI.unfollow(user, params) do
 202       {:ok, user, unfollowed} ->
 203         render(conn, UserView, "show.json", %{user: unfollowed, for: user})
 204
 205       {:error, msg} ->
 206         forbidden_json_reply(conn, msg)
 207     end
 208   end
 209
 210   def fetch_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 211     with %Activity{} = activity <- Repo.get(Activity, id),
 212          true <- ActivityPub.visible_for_user?(activity, user) do
 213       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 214     end
 215   end
 216
 217   def fetch_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 218     id = String.to_integer(id)
 219
 220     with context when is_binary(context) <- TwitterAPI.conversation_id_to_context(id),
 221          activities <-
 222            ActivityPub.fetch_activities_for_context(context, %{
 223              "blocking_user" => user,
 224              "user" => user
 225            }) do
 226       conn
 227       |> render(ActivityView, "index.json", %{activities: activities, for: user})
 228     end
 229   end
 230
 231   @doc """
 232   Updates metadata of uploaded media object.
 233   Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create).
 234   """
 235   def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do
 236     object = Repo.get(Object, id)
 237     description = get_in(data, ["alt_text", "text"]) || data["name"] || data["description"]
 238
 239     {conn, status, response_body} =
 240       cond do
 241         !object ->
 242           {halt(conn), :not_found, ""}
 243
 244         !Object.authorize_mutation(object, user) ->
 245           {halt(conn), :forbidden, "You can only update your own uploads."}
 246
 247         !is_binary(description) ->
 248           {conn, :not_modified, ""}
 249
 250         true ->
 251           new_data = Map.put(object.data, "name", description)
 252
 253           {:ok, _} =
 254             object
 255             |> Object.change(%{data: new_data})
 256             |> Repo.update()
 257
 258           {conn, :no_content, ""}
 259       end
 260
 261     conn
 262     |> put_status(status)
 263     |> json(response_body)
 264   end
 265
 266   def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do
 267     response = TwitterAPI.upload(media, user)
 268
 269     conn
 270     |> put_resp_content_type("application/atom+xml")
 271     |> send_resp(200, response)
 272   end
 273
 274   def upload_json(%{assigns: %{user: user}} = conn, %{"media" => media}) do
 275     response = TwitterAPI.upload(media, user, "json")
 276
 277     conn
 278     |> json_reply(200, response)
 279   end
 280
 281   def get_by_id_or_ap_id(id) do
 282     activity = Repo.get(Activity, id) || Activity.get_create_activity_by_object_ap_id(id)
 283
 284     if activity.data["type"] == "Create" do
 285       activity
 286     else
 287       Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 288     end
 289   end
 290
 291   def favorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 292     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 293          {:ok, activity} <- TwitterAPI.fav(user, id) do
 294       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 295     end
 296   end
 297
 298   def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 299     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 300          {:ok, activity} <- TwitterAPI.unfav(user, id) do
 301       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 302     end
 303   end
 304
 305   def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 306     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 307          {:ok, activity} <- TwitterAPI.repeat(user, id) do
 308       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 309     end
 310   end
 311
 312   def unretweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 313     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 314          {:ok, activity} <- TwitterAPI.unrepeat(user, id) do
 315       render(conn, ActivityView, "activity.json", %{activity: activity, for: user})
 316     end
 317   end
 318
 319   def register(conn, params) do
 320     with {:ok, user} <- TwitterAPI.register_user(params) do
 321       render(conn, UserView, "show.json", %{user: user})
 322     else
 323       {:error, errors} ->
 324         conn
 325         |> json_reply(400, Jason.encode!(errors))
 326     end
 327   end
 328
 329   def password_reset(conn, params) do
 330     nickname_or_email = params["email"] || params["nickname"]
 331
 332     with is_binary(nickname_or_email),
 333          %User{local: true} = user <- User.get_by_nickname_or_email(nickname_or_email) do
 334       {:ok, token_record} = Pleroma.PasswordResetToken.create_token(user)
 335
 336       user
 337       |> Pleroma.UserEmail.password_reset_email(token_record.token)
 338       |> Pleroma.Mailer.deliver()
 339
 340       json_response(conn, :no_content, "")
 341     end
 342   end
 343
 344   def update_avatar(%{assigns: %{user: user}} = conn, params) do
 345     {:ok, object} = ActivityPub.upload(params, type: :avatar)
 346     change = Changeset.change(user, %{avatar: object.data})
 347     {:ok, user} = User.update_and_set_cache(change)
 348     CommonAPI.update(user)
 349
 350     render(conn, UserView, "show.json", %{user: user, for: user})
 351   end
 352
 353   def update_banner(%{assigns: %{user: user}} = conn, params) do
 354     with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, type: :banner),
 355          new_info <- %{"banner" => object.data},
 356          info_cng <- User.Info.profile_update(user.info, new_info),
 357          changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
 358          {:ok, user} <- User.update_and_set_cache(changeset) do
 359       CommonAPI.update(user)
 360       %{"url" => [%{"href" => href} | _]} = object.data
 361       response = %{url: href} |> Jason.encode!()
 362
 363       conn
 364       |> json_reply(200, response)
 365     end
 366   end
 367
 368   def update_background(%{assigns: %{user: user}} = conn, params) do
 369     with {:ok, object} <- ActivityPub.upload(params, type: :background),
 370          new_info <- %{"background" => object.data},
 371          info_cng <- User.Info.profile_update(user.info, new_info),
 372          changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
 373          {:ok, _user} <- User.update_and_set_cache(changeset) do
 374       %{"url" => [%{"href" => href} | _]} = object.data
 375       response = %{url: href} |> Jason.encode!()
 376
 377       conn
 378       |> json_reply(200, response)
 379     end
 380   end
 381
 382   def external_profile(%{assigns: %{user: current_user}} = conn, %{"profileurl" => uri}) do
 383     with {:ok, user_map} <- TwitterAPI.get_external_profile(current_user, uri),
 384          response <- Jason.encode!(user_map) do
 385       conn
 386       |> json_reply(200, response)
 387     else
 388       _e ->
 389         conn
 390         |> put_status(404)
 391         |> json(%{error: "Can't find user"})
 392     end
 393   end
 394
 395   def followers(%{assigns: %{user: for_user}} = conn, params) do
 396     with {:ok, user} <- TwitterAPI.get_user(for_user, params),
 397          {:ok, followers} <- User.get_followers(user) do
 398       followers =
 399         cond do
 400           for_user && user.id == for_user.id -> followers
 401           user.info.hide_network -> []
 402           true -> followers
 403         end
 404
 405       render(conn, UserView, "index.json", %{users: followers, for: conn.assigns[:user]})
 406     else
 407       _e -> bad_request_reply(conn, "Can't get followers")
 408     end
 409   end
 410
 411   def friends(%{assigns: %{user: for_user}} = conn, params) do
 412     with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
 413          {:ok, friends} <- User.get_friends(user) do
 414       friends =
 415         cond do
 416           for_user && user.id == for_user.id -> friends
 417           user.info.hide_network -> []
 418           true -> friends
 419         end
 420
 421       render(conn, UserView, "index.json", %{users: friends, for: conn.assigns[:user]})
 422     else
 423       _e -> bad_request_reply(conn, "Can't get friends")
 424     end
 425   end
 426
 427   def friend_requests(conn, params) do
 428     with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
 429          {:ok, friend_requests} <- User.get_follow_requests(user) do
 430       render(conn, UserView, "index.json", %{users: friend_requests, for: conn.assigns[:user]})
 431     else
 432       _e -> bad_request_reply(conn, "Can't get friend requests")
 433     end
 434   end
 435
 436   def approve_friend_request(conn, %{"user_id" => uid} = _params) do
 437     with followed <- conn.assigns[:user],
 438          uid when is_number(uid) <- String.to_integer(uid),
 439          %User{} = follower <- Repo.get(User, uid),
 440          {:ok, follower} <- User.maybe_follow(follower, followed),
 441          %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
 442          {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
 443          {:ok, _activity} <-
 444            ActivityPub.accept(%{
 445              to: [follower.ap_id],
 446              actor: followed.ap_id,
 447              object: follow_activity.data["id"],
 448              type: "Accept"
 449            }) do
 450       render(conn, UserView, "show.json", %{user: follower, for: followed})
 451     else
 452       e -> bad_request_reply(conn, "Can't approve user: #{inspect(e)}")
 453     end
 454   end
 455
 456   def deny_friend_request(conn, %{"user_id" => uid} = _params) do
 457     with followed <- conn.assigns[:user],
 458          uid when is_number(uid) <- String.to_integer(uid),
 459          %User{} = follower <- Repo.get(User, uid),
 460          %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
 461          {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
 462          {:ok, _activity} <-
 463            ActivityPub.reject(%{
 464              to: [follower.ap_id],
 465              actor: followed.ap_id,
 466              object: follow_activity.data["id"],
 467              type: "Reject"
 468            }) do
 469       render(conn, UserView, "show.json", %{user: follower, for: followed})
 470     else
 471       e -> bad_request_reply(conn, "Can't deny user: #{inspect(e)}")
 472     end
 473   end
 474
 475   def friends_ids(%{assigns: %{user: user}} = conn, _params) do
 476     with {:ok, friends} <- User.get_friends(user) do
 477       ids =
 478         friends
 479         |> Enum.map(fn x -> x.id end)
 480         |> Jason.encode!()
 481
 482       json(conn, ids)
 483     else
 484       _e -> bad_request_reply(conn, "Can't get friends")
 485     end
 486   end
 487
 488   def empty_array(conn, _params) do
 489     json(conn, Jason.encode!([]))
 490   end
 491
 492   def raw_empty_array(conn, _params) do
 493     json(conn, [])
 494   end
 495
 496   defp build_info_cng(user, params) do
 497     info_params =
 498       ["no_rich_text", "locked", "hide_network"]
 499       |> Enum.reduce(%{}, fn key, res ->
 500         if value = params[key] do
 501           Map.put(res, key, value == "true")
 502         else
 503           res
 504         end
 505       end)
 506
 507     info_params =
 508       if value = params["default_scope"] do
 509         Map.put(info_params, "default_scope", value)
 510       else
 511         info_params
 512       end
 513
 514     User.Info.profile_update(user.info, info_params)
 515   end
 516
 517   defp parse_profile_bio(user, params) do
 518     if bio = params["description"] do
 519       Map.put(params, "bio", User.parse_bio(bio, user))
 520     else
 521       params
 522     end
 523   end
 524
 525   def update_profile(%{assigns: %{user: user}} = conn, params) do
 526     params = parse_profile_bio(user, params)
 527     info_cng = build_info_cng(user, params)
 528
 529     with changeset <- User.update_changeset(user, params),
 530          changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
 531          {:ok, user} <- User.update_and_set_cache(changeset) do
 532       CommonAPI.update(user)
 533       render(conn, UserView, "user.json", %{user: user, for: user})
 534     else
 535       error ->
 536         Logger.debug("Can't update user: #{inspect(error)}")
 537         bad_request_reply(conn, "Can't update user")
 538     end
 539   end
 540
 541   def search(%{assigns: %{user: user}} = conn, %{"q" => _query} = params) do
 542     activities = TwitterAPI.search(user, params)
 543
 544     conn
 545     |> render(ActivityView, "index.json", %{activities: activities, for: user})
 546   end
 547
 548   def search_user(%{assigns: %{user: user}} = conn, %{"query" => query}) do
 549     users = User.search(query, true)
 550
 551     conn
 552     |> render(UserView, "index.json", %{users: users, for: user})
 553   end
 554
 555   defp bad_request_reply(conn, error_message) do
 556     json = error_json(conn, error_message)
 557     json_reply(conn, 400, json)
 558   end
 559
 560   defp json_reply(conn, status, json) do
 561     conn
 562     |> put_resp_content_type("application/json")
 563     |> send_resp(status, json)
 564   end
 565
 566   defp forbidden_json_reply(conn, error_message) do
 567     json = error_json(conn, error_message)
 568     json_reply(conn, 403, json)
 569   end
 570
 571   def only_if_public_instance(conn = %{conn: %{assigns: %{user: _user}}}, _), do: conn
 572
 573   def only_if_public_instance(conn, _) do
 574     if Keyword.get(Application.get_env(:pleroma, :instance), :public) do
 575       conn
 576     else
 577       conn
 578       |> forbidden_json_reply("Invalid credentials.")
 579       |> halt()
 580     end
 581   end
 582
 583   defp error_json(conn, error_message) do
 584     %{"error" => error_message, "request" => conn.request_path} |> Jason.encode!()
 585   end
 586
 587   def errors(conn, {:param_cast, _}) do
 588     conn
 589     |> put_status(400)
 590     |> json("Invalid parameters")
 591   end
 592
 593   def errors(conn, _) do
 594     conn
 595     |> put_status(500)
 596     |> json("Something went wrong")
 597   end
 598 end