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