git.squeep.com Git - akkoma/blob - lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

   1 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   2   use Pleroma.Web, :controller
   3   alias Pleroma.{Repo, Activity, User, Notification}
   4   alias Pleroma.Web
   5   alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView}
   6   alias Pleroma.Web.ActivityPub.ActivityPub
   7   alias Pleroma.Web.{CommonAPI, OStatus}
   8   alias Pleroma.Web.OAuth.{Authorization, Token, App}
   9   alias Comeonin.Pbkdf2
  10   import Ecto.Query
  11   require Logger
  12
  13   def create_app(conn, params) do
  14     with cs <- App.register_changeset(%App{}, params) |> IO.inspect,
  15          {:ok, app} <- Repo.insert(cs) |> IO.inspect do
  16       res = %{
  17         id: app.id,
  18         client_id: app.client_id,
  19         client_secret: app.client_secret
  20       }
  21
  22       json(conn, res)
  23     end
  24   end
  25
  26   def update_credentials(%{assigns: %{user: user}} = conn, params) do
  27     params = if bio = params["note"] do
  28       Map.put(params, "bio", bio)
  29     else
  30       params
  31     end
  32
  33     params = if name = params["display_name"] do
  34       Map.put(params, "name", name)
  35     else
  36       params
  37     end
  38
  39     user = if avatar = params["avatar"] do
  40       with %Plug.Upload{} <- avatar,
  41            {:ok, object} <- ActivityPub.upload(avatar),
  42            change = Ecto.Changeset.change(user, %{avatar: object.data}),
  43            {:ok, user} = Repo.update(change) do
  44         user
  45       else
  46         _e -> user
  47       end
  48     else
  49       user
  50     end
  51
  52     user = if banner = params["header"] do
  53       with %Plug.Upload{} <- banner,
  54            {:ok, object} <- ActivityPub.upload(banner),
  55            new_info <- Map.put(user.info, "banner", object.data),
  56            change <- User.info_changeset(user, %{info: new_info}),
  57            {:ok, user} <- Repo.update(change) do
  58         user
  59       else
  60         _e -> user
  61       end
  62     else
  63       user
  64     end
  65
  66     with changeset <- User.update_changeset(user, params),
  67          {:ok, user} <- Repo.update(changeset) do
  68       json conn, AccountView.render("account.json", %{user: user})
  69     else
  70       _e ->
  71         conn
  72         |> put_status(403)
  73         |> json(%{error: "Invalid request"})
  74     end
  75   end
  76
  77   def verify_credentials(%{assigns: %{user: user}} = conn, _) do
  78     account = AccountView.render("account.json", %{user: user})
  79     json(conn, account)
  80   end
  81
  82   def user(conn, %{"id" => id}) do
  83     with %User{} = user <- Repo.get(User, id) do
  84       account = AccountView.render("account.json", %{user: user})
  85       json(conn, account)
  86     else
  87       _e -> conn
  88       |> put_status(404)
  89       |> json(%{error: "Can't find user"})
  90     end
  91   end
  92
  93   @instance Application.get_env(:pleroma, :instance)
  94
  95   def masto_instance(conn, _params) do
  96     user_count = Repo.aggregate(User.local_user_query, :count, :id)
  97     response = %{
  98       uri: Web.base_url,
  99       title: Keyword.get(@instance, :name),
 100       description: "A Pleroma instance, an alternative fediverse server",
 101       version: Keyword.get(@instance, :version),
 102       email: Keyword.get(@instance, :email),
 103       urls: %{
 104         streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
 105       },
 106       stats: %{
 107         status_count: 2,
 108         user_count: user_count,
 109         domain_count: 3
 110       },
 111       max_toot_chars: Keyword.get(@instance, :limit)
 112     }
 113
 114     json(conn, response)
 115   end
 116
 117   defp mastodonized_emoji do
 118     Pleroma.Formatter.get_custom_emoji()
 119     |> Enum.map(fn {shortcode, relative_url} ->
 120       url = to_string URI.merge(Web.base_url(), relative_url)
 121       %{
 122         "shortcode" => shortcode,
 123         "static_url" => url,
 124         "url" => url
 125       }
 126     end)
 127   end
 128
 129   def custom_emojis(conn, _params) do
 130     mastodon_emoji = mastodonized_emoji()
 131     json conn, mastodon_emoji
 132   end
 133
 134   defp add_link_headers(conn, method, activities) do
 135     last = List.last(activities)
 136     first = List.first(activities)
 137     if last do
 138       min = last.id
 139       max = first.id
 140       next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
 141       prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
 142       conn
 143       |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
 144     else
 145       conn
 146     end
 147   end
 148
 149   def home_timeline(%{assigns: %{user: user}} = conn, params) do
 150     params = params
 151     |> Map.put("type", ["Create", "Announce"])
 152     |> Map.put("blocking_user", user)
 153
 154     activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
 155     |> Enum.reverse
 156
 157     conn
 158     |> add_link_headers(:home_timeline, activities)
 159     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 160   end
 161
 162   def public_timeline(%{assigns: %{user: user}} = conn, params) do
 163     params = params
 164     |> Map.put("type", ["Create", "Announce"])
 165     |> Map.put("local_only", !!params["local"])
 166     |> Map.put("blocking_user", user)
 167
 168     activities = ActivityPub.fetch_public_activities(params)
 169     |> Enum.reverse
 170
 171     conn
 172     |> add_link_headers(:public_timeline, activities)
 173     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 174   end
 175
 176   # TODO: Link headers
 177   def user_statuses(%{assigns: %{user: user}} = conn, params) do
 178     with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
 179       params = params
 180       |> Map.put("type", ["Create", "Announce"])
 181       |> Map.put("actor_id", ap_id)
 182       |> Map.put("whole_db", true)
 183
 184       activities = ActivityPub.fetch_activities([], params)
 185       |> Enum.reverse
 186
 187       render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
 188     end
 189   end
 190
 191   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 192     with %Activity{} = activity <- Repo.get(Activity, id) do
 193       render conn, StatusView, "status.json", %{activity: activity, for: user}
 194     end
 195   end
 196
 197   def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 198     with %Activity{} = activity <- Repo.get(Activity, id),
 199          activities <- ActivityPub.fetch_activities_for_context(activity.data["object"]["context"], %{"blocking_user" => user}),
 200          activities <- activities |> Enum.filter(fn (%{id: aid}) -> to_string(aid) != to_string(id) end),
 201          activities <- activities |> Enum.filter(fn (%{data: %{"type" => type}}) -> type == "Create" end),
 202          grouped_activities <- Enum.group_by(activities, fn (%{id: id}) -> id < activity.id end) do
 203       result = %{
 204         ancestors: StatusView.render("index.json", for: user, activities: grouped_activities[true] || [], as: :activity) |> Enum.reverse,
 205         descendants: StatusView.render("index.json", for: user, activities: grouped_activities[false] || [], as: :activity) |> Enum.reverse,
 206       }
 207
 208       json(conn, result)
 209     end
 210   end
 211
 212   def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
 213     params = params
 214     |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
 215
 216     {:ok, activity} = CommonAPI.post(user, params)
 217     render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 218   end
 219
 220   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 221     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 222       json(conn, %{})
 223     else
 224       _e ->
 225         conn
 226         |> put_status(403)
 227         |> json(%{error: "Can't delete this post"})
 228     end
 229   end
 230
 231   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 232     with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
 233       render conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity}
 234     end
 235   end
 236
 237   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 238     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 239          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 240       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 241     end
 242   end
 243
 244   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 245     with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 246          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 247       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 248     end
 249   end
 250
 251   def notifications(%{assigns: %{user: user}} = conn, params) do
 252     notifications = Notification.for_user(user, params)
 253     result = Enum.map(notifications, fn x ->
 254       render_notification(user, x)
 255     end)
 256     |> Enum.filter(&(&1))
 257
 258     conn
 259     |> add_link_headers(:notifications, notifications)
 260     |> json(result)
 261   end
 262
 263   def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 264     with {:ok, notification} <- Notification.get(user, id) do
 265       json(conn, render_notification(user, notification))
 266     else
 267       {:error, reason} ->
 268         conn
 269         |> put_resp_content_type("application/json")
 270         |> send_resp(403, Poison.encode!(%{"error" => reason}))
 271     end
 272   end
 273
 274   def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
 275     Notification.clear(user)
 276     json(conn, %{})
 277   end
 278
 279   def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 280     with {:ok, _notif} <- Notification.dismiss(user, id) do
 281       json(conn, %{})
 282     else
 283       {:error, reason} ->
 284         conn
 285         |> put_resp_content_type("application/json")
 286         |> send_resp(403, Poison.encode!(%{"error" => reason}))
 287     end
 288   end
 289
 290   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 291     id = List.wrap(id)
 292     q = from u in User,
 293       where: u.id in ^id
 294     targets = Repo.all(q)
 295     render conn, AccountView, "relationships.json", %{user: user, targets: targets}
 296   end
 297
 298   def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
 299     with {:ok, object} <- ActivityPub.upload(file) do
 300       data = object.data
 301       |> Map.put("id", object.id)
 302
 303       render conn, StatusView, "attachment.json", %{attachment: data}
 304     end
 305   end
 306
 307   def favourited_by(conn, %{"id" => id}) do
 308     with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
 309       q = from u in User,
 310         where: u.ap_id in ^likes
 311       users = Repo.all(q)
 312       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 313     else
 314       _ -> json(conn, [])
 315     end
 316   end
 317
 318   def reblogged_by(conn, %{"id" => id}) do
 319     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 320       q = from u in User,
 321         where: u.ap_id in ^announces
 322       users = Repo.all(q)
 323       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 324     else
 325       _ -> json(conn, [])
 326     end
 327   end
 328
 329   # TODO: Link headers
 330   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 331     params = params
 332     |> Map.put("type", "Create")
 333     |> Map.put("local_only", !!params["local"])
 334     |> Map.put("blocking_user", user)
 335
 336     activities = ActivityPub.fetch_public_activities(params)
 337     |> Enum.reverse
 338
 339     conn
 340     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 341   end
 342
 343   # TODO: Pagination
 344   def followers(conn, %{"id" => id}) do
 345     with %User{} = user <- Repo.get(User, id),
 346          {:ok, followers} <- User.get_followers(user) do
 347       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 348     end
 349   end
 350
 351   def following(conn, %{"id" => id}) do
 352     with %User{} = user <- Repo.get(User, id),
 353          {:ok, followers} <- User.get_friends(user) do
 354       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 355     end
 356   end
 357
 358   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 359     with %User{} = followed <- Repo.get(User, id),
 360          {:ok, follower} <- User.follow(follower, followed),
 361          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 362       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 363     else
 364       {:error, message} ->
 365         conn
 366         |> put_resp_content_type("application/json")
 367         |> send_resp(403, Poison.encode!(%{"error" => message}))
 368     end
 369   end
 370
 371   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 372     with %User{} = followed <- Repo.get_by(User, nickname: uri),
 373          {:ok, follower} <- User.follow(follower, followed),
 374          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 375       render conn, AccountView, "account.json", %{user: followed}
 376     else
 377       {:error, message} ->
 378         conn
 379         |> put_resp_content_type("application/json")
 380         |> send_resp(403, Poison.encode!(%{"error" => message}))
 381     end
 382   end
 383
 384   # TODO: Clean up and unify
 385   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 386     with %User{} = followed <- Repo.get(User, id),
 387          { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
 388          { :ok, _activity } <- ActivityPub.insert(%{
 389            "type" => "Undo",
 390            "actor" => follower.ap_id,
 391            "object" => follow_activity.data["id"] # get latest Follow for these users
 392          }) do
 393       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 394     end
 395   end
 396
 397   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 398     with %User{} = blocked <- Repo.get(User, id),
 399          {:ok, blocker} <- User.block(blocker, blocked) do
 400       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 401     else
 402       {:error, message} ->
 403         conn
 404         |> put_resp_content_type("application/json")
 405         |> send_resp(403, Poison.encode!(%{"error" => message}))
 406     end
 407   end
 408
 409   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 410     with %User{} = blocked <- Repo.get(User, id),
 411          {:ok, blocker} <- User.unblock(blocker, blocked) do
 412       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 413     else
 414       {:error, message} ->
 415         conn
 416         |> put_resp_content_type("application/json")
 417         |> send_resp(403, Poison.encode!(%{"error" => message}))
 418     end
 419   end
 420
 421   # TODO: Use proper query
 422   def blocks(%{assigns: %{user: user}} = conn, _) do
 423     with blocked_users <- user.info["blocks"] || [],
 424          accounts <- Enum.map(blocked_users, fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end) do
 425       res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 426       json(conn, res)
 427     end
 428   end
 429
 430   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 431     accounts = User.search(query, params["resolve"] == "true")
 432
 433     fetched = if Regex.match?(~r/https?:/, query) do
 434       with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
 435         activities
 436       else
 437         _e -> []
 438       end
 439     end || []
 440
 441     q = from a in Activity,
 442       where: fragment("?->>'type' = 'Create'", a.data),
 443       where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
 444       limit: 20
 445     statuses = Repo.all(q) ++ fetched
 446
 447     res = %{
 448       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 449       "statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 450       "hashtags" => []
 451     }
 452
 453     json(conn, res)
 454   end
 455
 456   def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 457     accounts = User.search(query, params["resolve"] == "true")
 458
 459     res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 460
 461     json(conn, res)
 462   end
 463
 464   def favourites(%{assigns: %{user: user}} = conn, _) do
 465     params = conn
 466     |> Map.put("type", "Create")
 467     |> Map.put("favorited_by", user.ap_id)
 468     |> Map.put("blocking_user", user)
 469
 470     activities = ActivityPub.fetch_activities([], params)
 471     |> Enum.reverse
 472
 473     conn
 474     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 475   end
 476
 477   def index(%{assigns: %{user: user}} = conn, _params) do
 478     token = conn
 479     |> get_session(:oauth_token)
 480
 481     if user && token do
 482       mastodon_emoji = mastodonized_emoji()
 483       accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
 484       initial_state = %{
 485         meta: %{
 486           streaming_api_base_url: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
 487           access_token: token,
 488           locale: "en",
 489           domain: Pleroma.Web.Endpoint.host(),
 490           admin: "1",
 491           me: "#{user.id}",
 492           unfollow_modal: false,
 493           boost_modal: false,
 494           delete_modal: true,
 495           auto_play_gif: false,
 496           reduce_motion: false
 497         },
 498         compose: %{
 499           me: "#{user.id}",
 500           default_privacy: "public",
 501           default_sensitive: false
 502         },
 503         media_attachments: %{
 504           accept_content_types: [
 505             ".jpg",
 506             ".jpeg",
 507             ".png",
 508             ".gif",
 509             ".webm",
 510             ".mp4",
 511             ".m4v",
 512             "image\/jpeg",
 513             "image\/png",
 514             "image\/gif",
 515             "video\/webm",
 516             "video\/mp4"
 517           ]
 518         },
 519         settings: %{
 520           onboarded: true,
 521           home: %{
 522             shows: %{
 523               reblog: true,
 524               reply: true
 525             }
 526           },
 527           notifications: %{
 528             alerts: %{
 529               follow: true,
 530               favourite: true,
 531               reblog: true,
 532               mention: true
 533             },
 534             shows: %{
 535               follow: true,
 536               favourite: true,
 537               reblog: true,
 538               mention: true
 539             },
 540             sounds: %{
 541               follow: true,
 542               favourite: true,
 543               reblog: true,
 544               mention: true
 545             }
 546           }
 547         },
 548         push_subscription: nil,
 549         accounts: accounts,
 550         custom_emojis: mastodon_emoji
 551       } |> Poison.encode!
 552       conn
 553       |> put_layout(false)
 554       |> render(MastodonView, "index.html", %{initial_state: initial_state})
 555     else
 556       conn
 557       |> redirect(to: "/web/login")
 558     end
 559   end
 560
 561   def login(conn, _) do
 562     conn
 563     |> render(MastodonView, "login.html", %{error: false})
 564   end
 565
 566   defp get_or_make_app() do
 567     with %App{} = app <- Repo.get_by(App, client_name: "Mastodon-Local") do
 568       {:ok, app}
 569     else
 570       _e ->
 571         cs = App.register_changeset(%App{}, %{client_name: "Mastodon-Local", redirect_uris: ".", scopes: "read,write,follow"})
 572         Repo.insert(cs)
 573     end
 574   end
 575
 576   def login_post(conn, %{"authorization" => %{ "name" => name, "password" => password}}) do
 577     with %User{} = user <- User.get_cached_by_nickname(name),
 578          true <- Pbkdf2.checkpw(password, user.password_hash),
 579          {:ok, app} <- get_or_make_app(),
 580          {:ok, auth} <- Authorization.create_authorization(app, user),
 581          {:ok, token} <- Token.exchange_token(app, auth) do
 582       conn
 583       |> put_session(:oauth_token, token.token)
 584       |> redirect(to: "/web/getting-started")
 585     else
 586       _e ->
 587         conn
 588         |> render(MastodonView, "login.html", %{error: "Wrong username or password"})
 589     end
 590   end
 591
 592   def logout(conn, _) do
 593     conn
 594     |> clear_session
 595     |> redirect(to: "/")
 596   end
 597
 598   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 599     Logger.debug("Unimplemented, returning unmodified relationship")
 600     with %User{} = target <- Repo.get(User, id) do
 601       render conn, AccountView, "relationship.json", %{user: user, target: target}
 602     end
 603   end
 604
 605   def empty_array(conn, _) do
 606     Logger.debug("Unimplemented, returning an empty array")
 607     json(conn, [])
 608   end
 609
 610   def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
 611     actor = User.get_cached_by_ap_id(activity.data["actor"])
 612     created_at = NaiveDateTime.to_iso8601(created_at)
 613     |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 614     case activity.data["type"] do
 615       "Create" ->
 616         %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity, for: user})}
 617       "Like" ->
 618         liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 619         %{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity, for: user})}
 620       "Announce" ->
 621         announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 622         %{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity, for: user})}
 623       "Follow" ->
 624         %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
 625       _ -> nil
 626     end
 627   end
 628 end