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, Stats}
   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     response = %{
  97       uri: Web.base_url,
  98       title: Keyword.get(@instance, :name),
  99       description: "A Pleroma instance, an alternative fediverse server",
 100       version: Keyword.get(@instance, :version),
 101       email: Keyword.get(@instance, :email),
 102       urls: %{
 103         streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
 104       },
 105       stats: Stats.get_stats,
 106       thumbnail: Web.base_url <> "/instance/thumbnail.jpeg",
 107       max_toot_chars: Keyword.get(@instance, :limit)
 108     }
 109
 110     json(conn, response)
 111   end
 112
 113   def peers(conn, _params) do
 114     json(conn, Stats.get_peers)
 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"] in [true, "True", "true", "1"])
 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     |> Map.put("no_attachment_links", true)
 216
 217     {:ok, activity} = CommonAPI.post(user, params)
 218     render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 219   end
 220
 221   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 222     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 223       json(conn, %{})
 224     else
 225       _e ->
 226         conn
 227         |> put_status(403)
 228         |> json(%{error: "Can't delete this post"})
 229     end
 230   end
 231
 232   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 233     with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
 234       render conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity}
 235     end
 236   end
 237
 238   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 239     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 240          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 241       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 242     end
 243   end
 244
 245   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 246     with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 247          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 248       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 249     end
 250   end
 251
 252   def notifications(%{assigns: %{user: user}} = conn, params) do
 253     notifications = Notification.for_user(user, params)
 254     result = Enum.map(notifications, fn x ->
 255       render_notification(user, x)
 256     end)
 257     |> Enum.filter(&(&1))
 258
 259     conn
 260     |> add_link_headers(:notifications, notifications)
 261     |> json(result)
 262   end
 263
 264   def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 265     with {:ok, notification} <- Notification.get(user, id) do
 266       json(conn, render_notification(user, notification))
 267     else
 268       {:error, reason} ->
 269         conn
 270         |> put_resp_content_type("application/json")
 271         |> send_resp(403, Poison.encode!(%{"error" => reason}))
 272     end
 273   end
 274
 275   def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
 276     Notification.clear(user)
 277     json(conn, %{})
 278   end
 279
 280   def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 281     with {:ok, _notif} <- Notification.dismiss(user, id) do
 282       json(conn, %{})
 283     else
 284       {:error, reason} ->
 285         conn
 286         |> put_resp_content_type("application/json")
 287         |> send_resp(403, Poison.encode!(%{"error" => reason}))
 288     end
 289   end
 290
 291   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 292     id = List.wrap(id)
 293     q = from u in User,
 294       where: u.id in ^id
 295     targets = Repo.all(q)
 296     render conn, AccountView, "relationships.json", %{user: user, targets: targets}
 297   end
 298
 299   def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
 300     with {:ok, object} <- ActivityPub.upload(file) do
 301       data = object.data
 302       |> Map.put("id", object.id)
 303
 304       render conn, StatusView, "attachment.json", %{attachment: data}
 305     end
 306   end
 307
 308   def favourited_by(conn, %{"id" => id}) do
 309     with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
 310       q = from u in User,
 311         where: u.ap_id in ^likes
 312       users = Repo.all(q)
 313       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 314     else
 315       _ -> json(conn, [])
 316     end
 317   end
 318
 319   def reblogged_by(conn, %{"id" => id}) do
 320     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 321       q = from u in User,
 322         where: u.ap_id in ^announces
 323       users = Repo.all(q)
 324       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 325     else
 326       _ -> json(conn, [])
 327     end
 328   end
 329
 330   # TODO: Link headers
 331   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 332     params = params
 333     |> Map.put("type", "Create")
 334     |> Map.put("local_only", !!params["local"])
 335     |> Map.put("blocking_user", user)
 336
 337     activities = ActivityPub.fetch_public_activities(params)
 338     |> Enum.reverse
 339
 340     conn
 341     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 342   end
 343
 344   # TODO: Pagination
 345   def followers(conn, %{"id" => id}) do
 346     with %User{} = user <- Repo.get(User, id),
 347          {:ok, followers} <- User.get_followers(user) do
 348       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 349     end
 350   end
 351
 352   def following(conn, %{"id" => id}) do
 353     with %User{} = user <- Repo.get(User, id),
 354          {:ok, followers} <- User.get_friends(user) do
 355       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 356     end
 357   end
 358
 359   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 360     with %User{} = followed <- Repo.get(User, id),
 361          {:ok, follower} <- User.follow(follower, followed),
 362          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 363       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 364     else
 365       {:error, message} ->
 366         conn
 367         |> put_resp_content_type("application/json")
 368         |> send_resp(403, Poison.encode!(%{"error" => message}))
 369     end
 370   end
 371
 372   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 373     with %User{} = followed <- Repo.get_by(User, nickname: uri),
 374          {:ok, follower} <- User.follow(follower, followed),
 375          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 376       render conn, AccountView, "account.json", %{user: followed}
 377     else
 378       {:error, message} ->
 379         conn
 380         |> put_resp_content_type("application/json")
 381         |> send_resp(403, Poison.encode!(%{"error" => message}))
 382     end
 383   end
 384
 385   # TODO: Clean up and unify
 386   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 387     with %User{} = followed <- Repo.get(User, id),
 388          { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
 389          { :ok, _activity } <- ActivityPub.insert(%{
 390            "type" => "Undo",
 391            "actor" => follower.ap_id,
 392            "object" => follow_activity.data["id"] # get latest Follow for these users
 393          }) do
 394       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 395     end
 396   end
 397
 398   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 399     with %User{} = blocked <- Repo.get(User, id),
 400          {:ok, blocker} <- User.block(blocker, blocked) do
 401       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 402     else
 403       {:error, message} ->
 404         conn
 405         |> put_resp_content_type("application/json")
 406         |> send_resp(403, Poison.encode!(%{"error" => message}))
 407     end
 408   end
 409
 410   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 411     with %User{} = blocked <- Repo.get(User, id),
 412          {:ok, blocker} <- User.unblock(blocker, blocked) do
 413       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 414     else
 415       {:error, message} ->
 416         conn
 417         |> put_resp_content_type("application/json")
 418         |> send_resp(403, Poison.encode!(%{"error" => message}))
 419     end
 420   end
 421
 422   # TODO: Use proper query
 423   def blocks(%{assigns: %{user: user}} = conn, _) do
 424     with blocked_users <- user.info["blocks"] || [],
 425          accounts <- Enum.map(blocked_users, fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end) do
 426       res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 427       json(conn, res)
 428     end
 429   end
 430
 431   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 432     accounts = User.search(query, params["resolve"] == "true")
 433
 434     fetched = if Regex.match?(~r/https?:/, query) do
 435       with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
 436         activities
 437       else
 438         _e -> []
 439       end
 440     end || []
 441
 442     q = from a in Activity,
 443       where: fragment("?->>'type' = 'Create'", a.data),
 444       where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
 445       limit: 20
 446     statuses = Repo.all(q) ++ fetched
 447
 448     res = %{
 449       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 450       "statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 451       "hashtags" => []
 452     }
 453
 454     json(conn, res)
 455   end
 456
 457   def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 458     accounts = User.search(query, params["resolve"] == "true")
 459
 460     res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 461
 462     json(conn, res)
 463   end
 464
 465   def favourites(%{assigns: %{user: user}} = conn, _) do
 466     params = conn
 467     |> Map.put("type", "Create")
 468     |> Map.put("favorited_by", user.ap_id)
 469     |> Map.put("blocking_user", user)
 470
 471     activities = ActivityPub.fetch_activities([], params)
 472     |> Enum.reverse
 473
 474     conn
 475     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 476   end
 477
 478   def index(%{assigns: %{user: user}} = conn, _params) do
 479     token = conn
 480     |> get_session(:oauth_token)
 481
 482     if user && token do
 483       mastodon_emoji = mastodonized_emoji()
 484       accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
 485       initial_state = %{
 486         meta: %{
 487           streaming_api_base_url: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
 488           access_token: token,
 489           locale: "en",
 490           domain: Pleroma.Web.Endpoint.host(),
 491           admin: "1",
 492           me: "#{user.id}",
 493           unfollow_modal: false,
 494           boost_modal: false,
 495           delete_modal: true,
 496           auto_play_gif: false,
 497           reduce_motion: false
 498         },
 499         compose: %{
 500           me: "#{user.id}",
 501           default_privacy: "public",
 502           default_sensitive: false
 503         },
 504         media_attachments: %{
 505           accept_content_types: [
 506             ".jpg",
 507             ".jpeg",
 508             ".png",
 509             ".gif",
 510             ".webm",
 511             ".mp4",
 512             ".m4v",
 513             "image\/jpeg",
 514             "image\/png",
 515             "image\/gif",
 516             "video\/webm",
 517             "video\/mp4"
 518           ]
 519         },
 520         settings: %{
 521           onboarded: true,
 522           home: %{
 523             shows: %{
 524               reblog: true,
 525               reply: true
 526             }
 527           },
 528           notifications: %{
 529             alerts: %{
 530               follow: true,
 531               favourite: true,
 532               reblog: true,
 533               mention: true
 534             },
 535             shows: %{
 536               follow: true,
 537               favourite: true,
 538               reblog: true,
 539               mention: true
 540             },
 541             sounds: %{
 542               follow: true,
 543               favourite: true,
 544               reblog: true,
 545               mention: true
 546             }
 547           }
 548         },
 549         push_subscription: nil,
 550         accounts: accounts,
 551         custom_emojis: mastodon_emoji
 552       } |> Poison.encode!
 553       conn
 554       |> put_layout(false)
 555       |> render(MastodonView, "index.html", %{initial_state: initial_state})
 556     else
 557       conn
 558       |> redirect(to: "/web/login")
 559     end
 560   end
 561
 562   def login(conn, _) do
 563     conn
 564     |> render(MastodonView, "login.html", %{error: false})
 565   end
 566
 567   defp get_or_make_app() do
 568     with %App{} = app <- Repo.get_by(App, client_name: "Mastodon-Local") do
 569       {:ok, app}
 570     else
 571       _e ->
 572         cs = App.register_changeset(%App{}, %{client_name: "Mastodon-Local", redirect_uris: ".", scopes: "read,write,follow"})
 573         Repo.insert(cs)
 574     end
 575   end
 576
 577   def login_post(conn, %{"authorization" => %{ "name" => name, "password" => password}}) do
 578     with %User{} = user <- User.get_cached_by_nickname(name),
 579          true <- Pbkdf2.checkpw(password, user.password_hash),
 580          {:ok, app} <- get_or_make_app(),
 581          {:ok, auth} <- Authorization.create_authorization(app, user),
 582          {:ok, token} <- Token.exchange_token(app, auth) do
 583       conn
 584       |> put_session(:oauth_token, token.token)
 585       |> redirect(to: "/web/getting-started")
 586     else
 587       _e ->
 588         conn
 589         |> render(MastodonView, "login.html", %{error: "Wrong username or password"})
 590     end
 591   end
 592
 593   def logout(conn, _) do
 594     conn
 595     |> clear_session
 596     |> redirect(to: "/")
 597   end
 598
 599   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 600     Logger.debug("Unimplemented, returning unmodified relationship")
 601     with %User{} = target <- Repo.get(User, id) do
 602       render conn, AccountView, "relationship.json", %{user: user, target: target}
 603     end
 604   end
 605
 606   def empty_array(conn, _) do
 607     Logger.debug("Unimplemented, returning an empty array")
 608     json(conn, [])
 609   end
 610
 611   def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
 612     actor = User.get_cached_by_ap_id(activity.data["actor"])
 613     created_at = NaiveDateTime.to_iso8601(created_at)
 614     |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 615     case activity.data["type"] do
 616       "Create" ->
 617         %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity, for: user})}
 618       "Like" ->
 619         liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 620         %{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})}
 621       "Announce" ->
 622         announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 623         %{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})}
 624       "Follow" ->
 625         %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
 626       _ -> nil
 627     end
 628   end
 629 end