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