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