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.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView}
   7   alias Pleroma.Web.CommonAPI
   8   alias Pleroma.{Repo, Activity, Object, User, Notification}
   9   alias Pleroma.Web.ActivityPub.ActivityPub
  10   alias Pleroma.Web.ActivityPub.Utils
  11   alias Ecto.Changeset
  12
  13   require Logger
  14
  15   plug(:only_if_public_instance when action in [:public_timeline, :public_and_external_timeline])
  16   action_fallback(:errors)
  17
  18   def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
  19     token = Phoenix.Token.sign(conn, "user socket", user.id)
  20
  21     conn
  22     |> put_view(UserView)
  23     |> render("show.json", %{user: user, token: token})
  24   end
  25
  26   def status_update(%{assigns: %{user: user}} = conn, %{"status" => _} = status_data) do
  27     with media_ids <- extract_media_ids(status_data),
  28          {:ok, activity} <-
  29            TwitterAPI.create_status(user, Map.put(status_data, "media_ids", media_ids)) do
  30       conn
  31       |> json(ActivityView.render("activity.json", activity: activity, for: user))
  32     else
  33       _ -> empty_status_reply(conn)
  34     end
  35   end
  36
  37   def status_update(conn, _status_data) do
  38     empty_status_reply(conn)
  39   end
  40
  41   defp empty_status_reply(conn) do
  42     bad_request_reply(conn, "Client must provide a 'status' parameter with a value.")
  43   end
  44
  45   defp extract_media_ids(status_data) do
  46     with media_ids when not is_nil(media_ids) <- status_data["media_ids"],
  47          split_ids <- String.split(media_ids, ","),
  48          clean_ids <- Enum.reject(split_ids, fn id -> String.length(id) == 0 end) do
  49       clean_ids
  50     else
  51       _e -> []
  52     end
  53   end
  54
  55   def public_and_external_timeline(%{assigns: %{user: user}} = conn, params) do
  56     params =
  57       params
  58       |> Map.put("type", ["Create", "Announce"])
  59       |> Map.put("blocking_user", user)
  60
  61     activities = ActivityPub.fetch_public_activities(params)
  62
  63     conn
  64     |> put_view(ActivityView)
  65     |> render("index.json", %{activities: activities, for: user})
  66   end
  67
  68   def public_timeline(%{assigns: %{user: user}} = conn, params) do
  69     params =
  70       params
  71       |> Map.put("type", ["Create", "Announce"])
  72       |> Map.put("local_only", true)
  73       |> Map.put("blocking_user", user)
  74
  75     activities = ActivityPub.fetch_public_activities(params)
  76
  77     conn
  78     |> put_view(ActivityView)
  79     |> render("index.json", %{activities: activities, for: user})
  80   end
  81
  82   def friends_timeline(%{assigns: %{user: user}} = conn, params) do
  83     params =
  84       params
  85       |> Map.put("type", ["Create", "Announce", "Follow", "Like"])
  86       |> Map.put("blocking_user", user)
  87       |> Map.put("user", user)
  88
  89     activities =
  90       ActivityPub.fetch_activities([user.ap_id | user.following], params)
  91       |> ActivityPub.contain_timeline(user)
  92
  93     conn
  94     |> put_view(ActivityView)
  95     |> render("index.json", %{activities: activities, for: user})
  96   end
  97
  98   def show_user(conn, params) do
  99     for_user = conn.assigns.user
 100
 101     with {:ok, shown} <- TwitterAPI.get_user(params),
 102          true <-
 103            User.auth_active?(shown) ||
 104              (for_user && (for_user.id == shown.id || User.superuser?(for_user))) do
 105       params =
 106         if for_user do
 107           %{user: shown, for: for_user}
 108         else
 109           %{user: shown}
 110         end
 111
 112       conn
 113       |> put_view(UserView)
 114       |> render("show.json", params)
 115     else
 116       {:error, msg} ->
 117         bad_request_reply(conn, msg)
 118
 119       false ->
 120         conn
 121         |> put_status(404)
 122         |> json(%{error: "Unconfirmed user"})
 123     end
 124   end
 125
 126   def user_timeline(%{assigns: %{user: user}} = conn, params) do
 127     case TwitterAPI.get_user(user, params) do
 128       {:ok, target_user} ->
 129         activities = ActivityPub.fetch_user_activities(target_user, user, params)
 130
 131         conn
 132         |> put_view(ActivityView)
 133         |> render("index.json", %{activities: activities, for: user})
 134
 135       {:error, msg} ->
 136         bad_request_reply(conn, msg)
 137     end
 138   end
 139
 140   def mentions_timeline(%{assigns: %{user: user}} = conn, params) do
 141     params =
 142       params
 143       |> Map.put("type", ["Create", "Announce", "Follow", "Like"])
 144       |> Map.put("blocking_user", user)
 145
 146     activities = ActivityPub.fetch_activities([user.ap_id], params)
 147
 148     conn
 149     |> put_view(ActivityView)
 150     |> render("index.json", %{activities: activities, for: user})
 151   end
 152
 153   def dm_timeline(%{assigns: %{user: user}} = conn, params) do
 154     query =
 155       ActivityPub.fetch_activities_query(
 156         [user.ap_id],
 157         Map.merge(params, %{"type" => "Create", "user" => user, visibility: "direct"})
 158       )
 159
 160     activities = Repo.all(query)
 161
 162     conn
 163     |> put_view(ActivityView)
 164     |> render("index.json", %{activities: activities, for: user})
 165   end
 166
 167   def notifications(%{assigns: %{user: user}} = conn, params) do
 168     notifications = Notification.for_user(user, params)
 169
 170     conn
 171     |> put_view(NotificationView)
 172     |> render("notification.json", %{notifications: notifications, for: user})
 173   end
 174
 175   def notifications_read(%{assigns: %{user: user}} = conn, %{"latest_id" => latest_id} = params) do
 176     Notification.set_read_up_to(user, latest_id)
 177
 178     notifications = Notification.for_user(user, params)
 179
 180     conn
 181     |> put_view(NotificationView)
 182     |> render("notification.json", %{notifications: notifications, for: user})
 183   end
 184
 185   def notifications_read(%{assigns: %{user: _user}} = conn, _) do
 186     bad_request_reply(conn, "You need to specify latest_id")
 187   end
 188
 189   def follow(%{assigns: %{user: user}} = conn, params) do
 190     case TwitterAPI.follow(user, params) do
 191       {:ok, user, followed, _activity} ->
 192         conn
 193         |> put_view(UserView)
 194         |> render("show.json", %{user: followed, for: user})
 195
 196       {:error, msg} ->
 197         forbidden_json_reply(conn, msg)
 198     end
 199   end
 200
 201   def block(%{assigns: %{user: user}} = conn, params) do
 202     case TwitterAPI.block(user, params) do
 203       {:ok, user, blocked} ->
 204         conn
 205         |> put_view(UserView)
 206         |> render("show.json", %{user: blocked, for: user})
 207
 208       {:error, msg} ->
 209         forbidden_json_reply(conn, msg)
 210     end
 211   end
 212
 213   def unblock(%{assigns: %{user: user}} = conn, params) do
 214     case TwitterAPI.unblock(user, params) do
 215       {:ok, user, blocked} ->
 216         conn
 217         |> put_view(UserView)
 218         |> render("show.json", %{user: blocked, for: user})
 219
 220       {:error, msg} ->
 221         forbidden_json_reply(conn, msg)
 222     end
 223   end
 224
 225   def delete_post(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 226     with {:ok, activity} <- TwitterAPI.delete(user, id) do
 227       conn
 228       |> put_view(ActivityView)
 229       |> render("activity.json", %{activity: activity, for: user})
 230     end
 231   end
 232
 233   def unfollow(%{assigns: %{user: user}} = conn, params) do
 234     case TwitterAPI.unfollow(user, params) do
 235       {:ok, user, unfollowed} ->
 236         conn
 237         |> put_view(UserView)
 238         |> render("show.json", %{user: unfollowed, for: user})
 239
 240       {:error, msg} ->
 241         forbidden_json_reply(conn, msg)
 242     end
 243   end
 244
 245   def fetch_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 246     with %Activity{} = activity <- Repo.get(Activity, id),
 247          true <- ActivityPub.visible_for_user?(activity, user) do
 248       conn
 249       |> put_view(ActivityView)
 250       |> render("activity.json", %{activity: activity, for: user})
 251     end
 252   end
 253
 254   def fetch_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 255     id = String.to_integer(id)
 256
 257     with context when is_binary(context) <- TwitterAPI.conversation_id_to_context(id),
 258          activities <-
 259            ActivityPub.fetch_activities_for_context(context, %{
 260              "blocking_user" => user,
 261              "user" => user
 262            }) do
 263       conn
 264       |> put_view(ActivityView)
 265       |> render("index.json", %{activities: activities, for: user})
 266     end
 267   end
 268
 269   @doc """
 270   Updates metadata of uploaded media object.
 271   Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create).
 272   """
 273   def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do
 274     object = Repo.get(Object, id)
 275     description = get_in(data, ["alt_text", "text"]) || data["name"] || data["description"]
 276
 277     {conn, status, response_body} =
 278       cond do
 279         !object ->
 280           {halt(conn), :not_found, ""}
 281
 282         !Object.authorize_mutation(object, user) ->
 283           {halt(conn), :forbidden, "You can only update your own uploads."}
 284
 285         !is_binary(description) ->
 286           {conn, :not_modified, ""}
 287
 288         true ->
 289           new_data = Map.put(object.data, "name", description)
 290
 291           {:ok, _} =
 292             object
 293             |> Object.change(%{data: new_data})
 294             |> Repo.update()
 295
 296           {conn, :no_content, ""}
 297       end
 298
 299     conn
 300     |> put_status(status)
 301     |> json(response_body)
 302   end
 303
 304   def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do
 305     response = TwitterAPI.upload(media, user)
 306
 307     conn
 308     |> put_resp_content_type("application/atom+xml")
 309     |> send_resp(200, response)
 310   end
 311
 312   def upload_json(%{assigns: %{user: user}} = conn, %{"media" => media}) do
 313     response = TwitterAPI.upload(media, user, "json")
 314
 315     conn
 316     |> json_reply(200, response)
 317   end
 318
 319   def get_by_id_or_ap_id(id) do
 320     activity = Repo.get(Activity, id) || Activity.get_create_activity_by_object_ap_id(id)
 321
 322     if activity.data["type"] == "Create" do
 323       activity
 324     else
 325       Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 326     end
 327   end
 328
 329   def favorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 330     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 331          {:ok, activity} <- TwitterAPI.fav(user, id) do
 332       conn
 333       |> put_view(ActivityView)
 334       |> render("activity.json", %{activity: activity, for: user})
 335     end
 336   end
 337
 338   def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 339     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 340          {:ok, activity} <- TwitterAPI.unfav(user, id) do
 341       conn
 342       |> put_view(ActivityView)
 343       |> render("activity.json", %{activity: activity, for: user})
 344     end
 345   end
 346
 347   def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 348     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 349          {:ok, activity} <- TwitterAPI.repeat(user, id) do
 350       conn
 351       |> put_view(ActivityView)
 352       |> render("activity.json", %{activity: activity, for: user})
 353     end
 354   end
 355
 356   def unretweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 357     with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
 358          {:ok, activity} <- TwitterAPI.unrepeat(user, id) do
 359       conn
 360       |> put_view(ActivityView)
 361       |> render("activity.json", %{activity: activity, for: user})
 362     end
 363   end
 364
 365   def register(conn, params) do
 366     with {:ok, user} <- TwitterAPI.register_user(params) do
 367       conn
 368       |> put_view(UserView)
 369       |> render("show.json", %{user: user})
 370     else
 371       {:error, errors} ->
 372         conn
 373         |> json_reply(400, Jason.encode!(errors))
 374     end
 375   end
 376
 377   def password_reset(conn, params) do
 378     nickname_or_email = params["email"] || params["nickname"]
 379
 380     with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do
 381       json_response(conn, :no_content, "")
 382     end
 383   end
 384
 385   def confirm_email(conn, %{"token" => token}) do
 386     with %User{} = user <- User.get_by_confirmation_token(token),
 387          true <- user.local,
 388          info_change <- User.Info.confirmation_changeset(user.info, :confirmed),
 389          changeset <- Changeset.change(user) |> Changeset.put_embed(:info, info_change),
 390          {:ok, _} <- User.update_and_set_cache(changeset) do
 391       conn
 392       |> redirect(to: "/")
 393     end
 394   end
 395
 396   def resend_confirmation_email(conn, params) do
 397     nickname_or_email = params["email"] || params["nickname"]
 398
 399     with %User{} = user <- User.get_by_nickname_or_email(nickname_or_email),
 400          {:ok, _} <- User.try_send_confirmation_email(user) do
 401       conn
 402       |> json_response(:no_content, "")
 403     end
 404   end
 405
 406   def update_avatar(%{assigns: %{user: user}} = conn, params) do
 407     {:ok, object} = ActivityPub.upload(params, type: :avatar)
 408     change = Changeset.change(user, %{avatar: object.data})
 409     {:ok, user} = User.update_and_set_cache(change)
 410     CommonAPI.update(user)
 411
 412     conn
 413     |> put_view(UserView)
 414     |> render("show.json", %{user: user, for: user})
 415   end
 416
 417   def update_banner(%{assigns: %{user: user}} = conn, params) do
 418     with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, type: :banner),
 419          new_info <- %{"banner" => object.data},
 420          info_cng <- User.Info.profile_update(user.info, new_info),
 421          changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
 422          {:ok, user} <- User.update_and_set_cache(changeset) do
 423       CommonAPI.update(user)
 424       %{"url" => [%{"href" => href} | _]} = object.data
 425       response = %{url: href} |> Jason.encode!()
 426
 427       conn
 428       |> json_reply(200, response)
 429     end
 430   end
 431
 432   def update_background(%{assigns: %{user: user}} = conn, params) do
 433     with {:ok, object} <- ActivityPub.upload(params, type: :background),
 434          new_info <- %{"background" => object.data},
 435          info_cng <- User.Info.profile_update(user.info, new_info),
 436          changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
 437          {:ok, _user} <- User.update_and_set_cache(changeset) do
 438       %{"url" => [%{"href" => href} | _]} = object.data
 439       response = %{url: href} |> Jason.encode!()
 440
 441       conn
 442       |> json_reply(200, response)
 443     end
 444   end
 445
 446   def external_profile(%{assigns: %{user: current_user}} = conn, %{"profileurl" => uri}) do
 447     with {:ok, user_map} <- TwitterAPI.get_external_profile(current_user, uri),
 448          response <- Jason.encode!(user_map) do
 449       conn
 450       |> json_reply(200, response)
 451     else
 452       _e ->
 453         conn
 454         |> put_status(404)
 455         |> json(%{error: "Can't find user"})
 456     end
 457   end
 458
 459   def followers(%{assigns: %{user: for_user}} = conn, params) do
 460     with {:ok, user} <- TwitterAPI.get_user(for_user, params),
 461          {:ok, followers} <- User.get_followers(user) do
 462       followers =
 463         cond do
 464           for_user && user.id == for_user.id -> followers
 465           user.info.hide_network -> []
 466           true -> followers
 467         end
 468
 469       conn
 470       |> put_view(UserView)
 471       |> render("index.json", %{users: followers, for: conn.assigns[:user]})
 472     else
 473       _e -> bad_request_reply(conn, "Can't get followers")
 474     end
 475   end
 476
 477   def friends(%{assigns: %{user: for_user}} = conn, params) do
 478     with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
 479          {:ok, friends} <- User.get_friends(user) do
 480       friends =
 481         cond do
 482           for_user && user.id == for_user.id -> friends
 483           user.info.hide_network -> []
 484           true -> friends
 485         end
 486
 487       conn
 488       |> put_view(UserView)
 489       |> render("index.json", %{users: friends, for: conn.assigns[:user]})
 490     else
 491       _e -> bad_request_reply(conn, "Can't get friends")
 492     end
 493   end
 494
 495   def friend_requests(conn, params) do
 496     with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
 497          {:ok, friend_requests} <- User.get_follow_requests(user) do
 498       conn
 499       |> put_view(UserView)
 500       |> render("index.json", %{users: friend_requests, for: conn.assigns[:user]})
 501     else
 502       _e -> bad_request_reply(conn, "Can't get friend requests")
 503     end
 504   end
 505
 506   def approve_friend_request(conn, %{"user_id" => uid} = _params) do
 507     with followed <- conn.assigns[:user],
 508          uid when is_number(uid) <- String.to_integer(uid),
 509          %User{} = follower <- Repo.get(User, uid),
 510          {:ok, follower} <- User.maybe_follow(follower, followed),
 511          %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
 512          {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
 513          {:ok, _activity} <-
 514            ActivityPub.accept(%{
 515              to: [follower.ap_id],
 516              actor: followed.ap_id,
 517              object: follow_activity.data["id"],
 518              type: "Accept"
 519            }) do
 520       conn
 521       |> put_view(UserView)
 522       |> render("show.json", %{user: follower, for: followed})
 523     else
 524       e -> bad_request_reply(conn, "Can't approve user: #{inspect(e)}")
 525     end
 526   end
 527
 528   def deny_friend_request(conn, %{"user_id" => uid} = _params) do
 529     with followed <- conn.assigns[:user],
 530          uid when is_number(uid) <- String.to_integer(uid),
 531          %User{} = follower <- Repo.get(User, uid),
 532          %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
 533          {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
 534          {:ok, _activity} <-
 535            ActivityPub.reject(%{
 536              to: [follower.ap_id],
 537              actor: followed.ap_id,
 538              object: follow_activity.data["id"],
 539              type: "Reject"
 540            }) do
 541       conn
 542       |> put_view(UserView)
 543       |> render("show.json", %{user: follower, for: followed})
 544     else
 545       e -> bad_request_reply(conn, "Can't deny user: #{inspect(e)}")
 546     end
 547   end
 548
 549   def friends_ids(%{assigns: %{user: user}} = conn, _params) do
 550     with {:ok, friends} <- User.get_friends(user) do
 551       ids =
 552         friends
 553         |> Enum.map(fn x -> x.id end)
 554         |> Jason.encode!()
 555
 556       json(conn, ids)
 557     else
 558       _e -> bad_request_reply(conn, "Can't get friends")
 559     end
 560   end
 561
 562   def empty_array(conn, _params) do
 563     json(conn, Jason.encode!([]))
 564   end
 565
 566   def raw_empty_array(conn, _params) do
 567     json(conn, [])
 568   end
 569
 570   defp build_info_cng(user, params) do
 571     info_params =
 572       ["no_rich_text", "locked", "hide_network"]
 573       |> Enum.reduce(%{}, fn key, res ->
 574         if value = params[key] do
 575           Map.put(res, key, value == "true")
 576         else
 577           res
 578         end
 579       end)
 580
 581     info_params =
 582       if value = params["default_scope"] do
 583         Map.put(info_params, "default_scope", value)
 584       else
 585         info_params
 586       end
 587
 588     User.Info.profile_update(user.info, info_params)
 589   end
 590
 591   defp parse_profile_bio(user, params) do
 592     if bio = params["description"] do
 593       Map.put(params, "bio", User.parse_bio(bio, user))
 594     else
 595       params
 596     end
 597   end
 598
 599   def update_profile(%{assigns: %{user: user}} = conn, params) do
 600     params = parse_profile_bio(user, params)
 601     info_cng = build_info_cng(user, params)
 602
 603     with changeset <- User.update_changeset(user, params),
 604          changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
 605          {:ok, user} <- User.update_and_set_cache(changeset) do
 606       CommonAPI.update(user)
 607
 608       conn
 609       |> put_view(UserView)
 610       |> render("user.json", %{user: user, for: user})
 611     else
 612       error ->
 613         Logger.debug("Can't update user: #{inspect(error)}")
 614         bad_request_reply(conn, "Can't update user")
 615     end
 616   end
 617
 618   def search(%{assigns: %{user: user}} = conn, %{"q" => _query} = params) do
 619     activities = TwitterAPI.search(user, params)
 620
 621     conn
 622     |> put_view(ActivityView)
 623     |> render("index.json", %{activities: activities, for: user})
 624   end
 625
 626   def search_user(%{assigns: %{user: user}} = conn, %{"query" => query}) do
 627     users = User.search(query, true)
 628
 629     conn
 630     |> put_view(UserView)
 631     |> render("index.json", %{users: users, for: user})
 632   end
 633
 634   defp bad_request_reply(conn, error_message) do
 635     json = error_json(conn, error_message)
 636     json_reply(conn, 400, json)
 637   end
 638
 639   defp json_reply(conn, status, json) do
 640     conn
 641     |> put_resp_content_type("application/json")
 642     |> send_resp(status, json)
 643   end
 644
 645   defp forbidden_json_reply(conn, error_message) do
 646     json = error_json(conn, error_message)
 647     json_reply(conn, 403, json)
 648   end
 649
 650   def only_if_public_instance(conn = %{conn: %{assigns: %{user: _user}}}, _), do: conn
 651
 652   def only_if_public_instance(conn, _) do
 653     if Keyword.get(Application.get_env(:pleroma, :instance), :public) do
 654       conn
 655     else
 656       conn
 657       |> forbidden_json_reply("Invalid credentials.")
 658       |> halt()
 659     end
 660   end
 661
 662   defp error_json(conn, error_message) do
 663     %{"error" => error_message, "request" => conn.request_path} |> Jason.encode!()
 664   end
 665
 666   def errors(conn, {:param_cast, _}) do
 667     conn
 668     |> put_status(400)
 669     |> json("Invalid parameters")
 670   end
 671
 672   def errors(conn, _) do
 673     conn
 674     |> put_status(500)
 675     |> json("Something went wrong")
 676   end
 677 end