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, ListView}
   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     original_user = user
  28
  29     params =
  30       if bio = params["note"] do
  31         Map.put(params, "bio", bio)
  32       else
  33         params
  34       end
  35
  36     params =
  37       if name = params["display_name"] do
  38         Map.put(params, "name", name)
  39       else
  40         params
  41       end
  42
  43     user =
  44       if avatar = params["avatar"] do
  45         with %Plug.Upload{} <- avatar,
  46              {:ok, object} <- ActivityPub.upload(avatar),
  47              change = Ecto.Changeset.change(user, %{avatar: object.data}),
  48              {:ok, user} = User.update_and_set_cache(change) do
  49           user
  50         else
  51           _e -> user
  52         end
  53       else
  54         user
  55       end
  56
  57     user =
  58       if banner = params["header"] do
  59         with %Plug.Upload{} <- banner,
  60              {:ok, object} <- ActivityPub.upload(banner),
  61              new_info <- Map.put(user.info, "banner", object.data),
  62              change <- User.info_changeset(user, %{info: new_info}),
  63              {:ok, user} <- User.update_and_set_cache(change) do
  64           user
  65         else
  66           _e -> user
  67         end
  68       else
  69         user
  70       end
  71
  72     with changeset <- User.update_changeset(user, params),
  73          {:ok, user} <- User.update_and_set_cache(changeset) do
  74       if original_user != user do
  75         CommonAPI.update(user)
  76       end
  77
  78       json(conn, AccountView.render("account.json", %{user: user}))
  79     else
  80       _e ->
  81         conn
  82         |> put_status(403)
  83         |> json(%{error: "Invalid request"})
  84     end
  85   end
  86
  87   def verify_credentials(%{assigns: %{user: user}} = conn, _) do
  88     account = AccountView.render("account.json", %{user: user})
  89     json(conn, account)
  90   end
  91
  92   def user(conn, %{"id" => id}) do
  93     with %User{} = user <- Repo.get(User, id) do
  94       account = AccountView.render("account.json", %{user: user})
  95       json(conn, account)
  96     else
  97       _e ->
  98         conn
  99         |> put_status(404)
 100         |> json(%{error: "Can't find user"})
 101     end
 102   end
 103
 104   @instance Application.get_env(:pleroma, :instance)
 105   @mastodon_api_level "2.3.3"
 106
 107   def masto_instance(conn, _params) do
 108     response = %{
 109       uri: Web.base_url(),
 110       title: Keyword.get(@instance, :name),
 111       description: "A Pleroma instance, an alternative fediverse server",
 112       version: "#{@mastodon_api_level} (compatible; #{Keyword.get(@instance, :version)})",
 113       email: Keyword.get(@instance, :email),
 114       urls: %{
 115         streaming_api: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws")
 116       },
 117       stats: Stats.get_stats(),
 118       thumbnail: Web.base_url() <> "/instance/thumbnail.jpeg",
 119       max_toot_chars: Keyword.get(@instance, :limit)
 120     }
 121
 122     json(conn, response)
 123   end
 124
 125   def peers(conn, _params) do
 126     json(conn, Stats.get_peers())
 127   end
 128
 129   defp mastodonized_emoji do
 130     Pleroma.Formatter.get_custom_emoji()
 131     |> Enum.map(fn {shortcode, relative_url} ->
 132       url = to_string(URI.merge(Web.base_url(), relative_url))
 133
 134       %{
 135         "shortcode" => shortcode,
 136         "static_url" => url,
 137         "url" => url
 138       }
 139     end)
 140   end
 141
 142   def custom_emojis(conn, _params) do
 143     mastodon_emoji = mastodonized_emoji()
 144     json(conn, mastodon_emoji)
 145   end
 146
 147   defp add_link_headers(conn, method, activities, param \\ false) do
 148     last = List.last(activities)
 149     first = List.first(activities)
 150
 151     if last do
 152       min = last.id
 153       max = first.id
 154
 155       {next_url, prev_url} =
 156         if param do
 157           {
 158             mastodon_api_url(Pleroma.Web.Endpoint, method, param, max_id: min),
 159             mastodon_api_url(Pleroma.Web.Endpoint, method, param, since_id: max)
 160           }
 161         else
 162           {
 163             mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min),
 164             mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
 165           }
 166         end
 167
 168       conn
 169       |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
 170     else
 171       conn
 172     end
 173   end
 174
 175   def home_timeline(%{assigns: %{user: user}} = conn, params) do
 176     params =
 177       params
 178       |> Map.put("type", ["Create", "Announce"])
 179       |> Map.put("blocking_user", user)
 180       |> Map.put("user", user)
 181
 182     activities =
 183       ActivityPub.fetch_activities([user.ap_id | user.following], params)
 184       |> Enum.reverse()
 185
 186     conn
 187     |> add_link_headers(:home_timeline, activities)
 188     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 189   end
 190
 191   def public_timeline(%{assigns: %{user: user}} = conn, params) do
 192     params =
 193       params
 194       |> Map.put("type", ["Create", "Announce"])
 195       |> Map.put("local_only", params["local"] in [true, "True", "true", "1"])
 196       |> Map.put("blocking_user", user)
 197
 198     activities =
 199       ActivityPub.fetch_public_activities(params)
 200       |> Enum.reverse()
 201
 202     conn
 203     |> add_link_headers(:public_timeline, activities)
 204     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 205   end
 206
 207   def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
 208     with %User{} = user <- Repo.get(User, params["id"]) do
 209       # Since Pleroma has no "pinned" posts feature, we'll just set an empty list here
 210       activities =
 211         if params["pinned"] == "true" do
 212           []
 213         else
 214           ActivityPub.fetch_user_activities(user, reading_user, params)
 215         end
 216
 217       conn
 218       |> add_link_headers(:user_statuses, activities, params["id"])
 219       |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 220     end
 221   end
 222
 223   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 224     with %Activity{} = activity <- Repo.get(Activity, id),
 225          true <- ActivityPub.visible_for_user?(activity, user) do
 226       render(conn, StatusView, "status.json", %{activity: activity, for: user})
 227     end
 228   end
 229
 230   def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 231     with %Activity{} = activity <- Repo.get(Activity, id),
 232          activities <-
 233            ActivityPub.fetch_activities_for_context(activity.data["context"], %{
 234              "blocking_user" => user,
 235              "user" => user
 236            }),
 237          activities <-
 238            activities |> Enum.filter(fn %{id: aid} -> to_string(aid) != to_string(id) end),
 239          activities <-
 240            activities |> Enum.filter(fn %{data: %{"type" => type}} -> type == "Create" end),
 241          grouped_activities <- Enum.group_by(activities, fn %{id: id} -> id < activity.id end) do
 242       result = %{
 243         ancestors:
 244           StatusView.render(
 245             "index.json",
 246             for: user,
 247             activities: grouped_activities[true] || [],
 248             as: :activity
 249           )
 250           |> Enum.reverse(),
 251         descendants:
 252           StatusView.render(
 253             "index.json",
 254             for: user,
 255             activities: grouped_activities[false] || [],
 256             as: :activity
 257           )
 258           |> Enum.reverse()
 259       }
 260
 261       json(conn, result)
 262     end
 263   end
 264
 265   def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
 266     params =
 267       params
 268       |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
 269       |> Map.put("no_attachment_links", true)
 270
 271     idempotency_key =
 272       case get_req_header(conn, "idempotency-key") do
 273         [key] -> key
 274         _ -> Ecto.UUID.generate()
 275       end
 276
 277     {:ok, activity} =
 278       Cachex.fetch!(:idempotency_cache, idempotency_key, fn _ -> CommonAPI.post(user, params) end)
 279
 280     render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
 281   end
 282
 283   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 284     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 285       json(conn, %{})
 286     else
 287       _e ->
 288         conn
 289         |> put_status(403)
 290         |> json(%{error: "Can't delete this post"})
 291     end
 292   end
 293
 294   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 295     with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
 296       render(conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity})
 297     end
 298   end
 299
 300   def unreblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 301     with {:ok, _, _, %{data: %{"id" => id}}} = CommonAPI.unrepeat(ap_id_or_id, user),
 302          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 303       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
 304     end
 305   end
 306
 307   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 308     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 309          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 310       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
 311     end
 312   end
 313
 314   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 315     with {:ok, _, _, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 316          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 317       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
 318     end
 319   end
 320
 321   def notifications(%{assigns: %{user: user}} = conn, params) do
 322     notifications = Notification.for_user(user, params)
 323
 324     result =
 325       Enum.map(notifications, fn x ->
 326         render_notification(user, x)
 327       end)
 328       |> Enum.filter(& &1)
 329
 330     conn
 331     |> add_link_headers(:notifications, notifications)
 332     |> json(result)
 333   end
 334
 335   def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 336     with {:ok, notification} <- Notification.get(user, id) do
 337       json(conn, render_notification(user, notification))
 338     else
 339       {:error, reason} ->
 340         conn
 341         |> put_resp_content_type("application/json")
 342         |> send_resp(403, Jason.encode!(%{"error" => reason}))
 343     end
 344   end
 345
 346   def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
 347     Notification.clear(user)
 348     json(conn, %{})
 349   end
 350
 351   def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
 352     with {:ok, _notif} <- Notification.dismiss(user, id) do
 353       json(conn, %{})
 354     else
 355       {:error, reason} ->
 356         conn
 357         |> put_resp_content_type("application/json")
 358         |> send_resp(403, Jason.encode!(%{"error" => reason}))
 359     end
 360   end
 361
 362   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 363     id = List.wrap(id)
 364     q = from(u in User, where: u.id in ^id)
 365     targets = Repo.all(q)
 366     render(conn, AccountView, "relationships.json", %{user: user, targets: targets})
 367   end
 368
 369   def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
 370     with {:ok, object} <- ActivityPub.upload(file) do
 371       data =
 372         object.data
 373         |> Map.put("id", object.id)
 374
 375       render(conn, StatusView, "attachment.json", %{attachment: data})
 376     end
 377   end
 378
 379   def favourited_by(conn, %{"id" => id}) do
 380     with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
 381       q = from(u in User, where: u.ap_id in ^likes)
 382       users = Repo.all(q)
 383       render(conn, AccountView, "accounts.json", %{users: users, as: :user})
 384     else
 385       _ -> json(conn, [])
 386     end
 387   end
 388
 389   def reblogged_by(conn, %{"id" => id}) do
 390     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 391       q = from(u in User, where: u.ap_id in ^announces)
 392       users = Repo.all(q)
 393       render(conn, AccountView, "accounts.json", %{users: users, as: :user})
 394     else
 395       _ -> json(conn, [])
 396     end
 397   end
 398
 399   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 400     params =
 401       params
 402       |> Map.put("type", "Create")
 403       |> Map.put("local_only", !!params["local"])
 404       |> Map.put("blocking_user", user)
 405
 406     activities =
 407       ActivityPub.fetch_public_activities(params)
 408       |> Enum.reverse()
 409
 410     conn
 411     |> add_link_headers(:hashtag_timeline, activities, params["tag"])
 412     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 413   end
 414
 415   # TODO: Pagination
 416   def followers(conn, %{"id" => id}) do
 417     with %User{} = user <- Repo.get(User, id),
 418          {:ok, followers} <- User.get_followers(user) do
 419       render(conn, AccountView, "accounts.json", %{users: followers, as: :user})
 420     end
 421   end
 422
 423   def following(conn, %{"id" => id}) do
 424     with %User{} = user <- Repo.get(User, id),
 425          {:ok, followers} <- User.get_friends(user) do
 426       render(conn, AccountView, "accounts.json", %{users: followers, as: :user})
 427     end
 428   end
 429
 430   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 431     with %User{} = followed <- Repo.get(User, id),
 432          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 433       render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
 434     else
 435       {:error, message} ->
 436         conn
 437         |> put_resp_content_type("application/json")
 438         |> send_resp(403, Jason.encode!(%{"error" => message}))
 439     end
 440   end
 441
 442   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 443     with %User{} = followed <- Repo.get_by(User, nickname: uri),
 444          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
 445       render(conn, AccountView, "account.json", %{user: followed})
 446     else
 447       {:error, message} ->
 448         conn
 449         |> put_resp_content_type("application/json")
 450         |> send_resp(403, Jason.encode!(%{"error" => message}))
 451     end
 452   end
 453
 454   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 455     with %User{} = followed <- Repo.get(User, id),
 456          {:ok, _activity} <- ActivityPub.unfollow(follower, followed),
 457          {:ok, follower, _} <- User.unfollow(follower, followed) do
 458       render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
 459     end
 460   end
 461
 462   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 463     with %User{} = blocked <- Repo.get(User, id),
 464          {:ok, blocker} <- User.block(blocker, blocked),
 465          {:ok, _activity} <- ActivityPub.block(blocker, blocked) do
 466       render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
 467     else
 468       {:error, message} ->
 469         conn
 470         |> put_resp_content_type("application/json")
 471         |> send_resp(403, Jason.encode!(%{"error" => message}))
 472     end
 473   end
 474
 475   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 476     with %User{} = blocked <- Repo.get(User, id),
 477          {:ok, blocker} <- User.unblock(blocker, blocked),
 478          {:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
 479       render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
 480     else
 481       {:error, message} ->
 482         conn
 483         |> put_resp_content_type("application/json")
 484         |> send_resp(403, Jason.encode!(%{"error" => message}))
 485     end
 486   end
 487
 488   # TODO: Use proper query
 489   def blocks(%{assigns: %{user: user}} = conn, _) do
 490     with blocked_users <- user.info["blocks"] || [],
 491          accounts <- Enum.map(blocked_users, fn ap_id -> User.get_cached_by_ap_id(ap_id) end) do
 492       res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 493       json(conn, res)
 494     end
 495   end
 496
 497   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 498     accounts = User.search(query, params["resolve"] == "true")
 499
 500     fetched =
 501       if Regex.match?(~r/https?:/, query) do
 502         with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
 503           activities
 504           |> Enum.filter(fn
 505             %{data: %{"type" => "Create"}} -> true
 506             _ -> false
 507           end)
 508         else
 509           _e -> []
 510         end
 511       end || []
 512
 513     q =
 514       from(
 515         a in Activity,
 516         where: fragment("?->>'type' = 'Create'", a.data),
 517         where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
 518         where:
 519           fragment(
 520             "to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)",
 521             a.data,
 522             ^query
 523           ),
 524         limit: 20,
 525         order_by: [desc: :id]
 526       )
 527
 528     statuses = Repo.all(q) ++ fetched
 529
 530     tags =
 531       String.split(query)
 532       |> Enum.uniq()
 533       |> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
 534       |> Enum.map(fn tag -> String.slice(tag, 1..-1) end)
 535
 536     res = %{
 537       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 538       "statuses" =>
 539         StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 540       "hashtags" => tags
 541     }
 542
 543     json(conn, res)
 544   end
 545
 546   def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 547     accounts = User.search(query, params["resolve"] == "true")
 548
 549     res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 550
 551     json(conn, res)
 552   end
 553
 554   def favourites(%{assigns: %{user: user}} = conn, _) do
 555     params =
 556       %{}
 557       |> Map.put("type", "Create")
 558       |> Map.put("favorited_by", user.ap_id)
 559       |> Map.put("blocking_user", user)
 560
 561     activities =
 562       ActivityPub.fetch_public_activities(params)
 563       |> Enum.reverse()
 564
 565     conn
 566     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 567   end
 568
 569   def get_lists(%{assigns: %{user: user}} = conn, opts) do
 570     lists = Pleroma.List.for_user(user, opts)
 571     res = ListView.render("lists.json", lists: lists)
 572     json(conn, res)
 573   end
 574
 575   def get_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 576     with %Pleroma.List{} = list <- Pleroma.List.get(id, user) do
 577       res = ListView.render("list.json", list: list)
 578       json(conn, res)
 579     else
 580       _e -> json(conn, "error")
 581     end
 582   end
 583
 584   def delete_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 585     with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
 586          {:ok, _list} <- Pleroma.List.delete(list) do
 587       json(conn, %{})
 588     else
 589       _e ->
 590         json(conn, "error")
 591     end
 592   end
 593
 594   def create_list(%{assigns: %{user: user}} = conn, %{"title" => title}) do
 595     with {:ok, %Pleroma.List{} = list} <- Pleroma.List.create(title, user) do
 596       res = ListView.render("list.json", list: list)
 597       json(conn, res)
 598     end
 599   end
 600
 601   def add_to_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
 602     accounts
 603     |> Enum.each(fn account_id ->
 604       with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
 605            %User{} = followed <- Repo.get(User, account_id) do
 606         Pleroma.List.follow(list, followed)
 607       end
 608     end)
 609
 610     json(conn, %{})
 611   end
 612
 613   def remove_from_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
 614     accounts
 615     |> Enum.each(fn account_id ->
 616       with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
 617            %User{} = followed <- Repo.get(Pleroma.User, account_id) do
 618         Pleroma.List.unfollow(list, followed)
 619       end
 620     end)
 621
 622     json(conn, %{})
 623   end
 624
 625   def list_accounts(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 626     with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
 627          {:ok, users} = Pleroma.List.get_following(list) do
 628       render(conn, AccountView, "accounts.json", %{users: users, as: :user})
 629     end
 630   end
 631
 632   def rename_list(%{assigns: %{user: user}} = conn, %{"id" => id, "title" => title}) do
 633     with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
 634          {:ok, list} <- Pleroma.List.rename(list, title) do
 635       res = ListView.render("list.json", list: list)
 636       json(conn, res)
 637     else
 638       _e ->
 639         json(conn, "error")
 640     end
 641   end
 642
 643   def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
 644     with %Pleroma.List{title: title, following: following} <- Pleroma.List.get(id, user) do
 645       params =
 646         params
 647         |> Map.put("type", "Create")
 648         |> Map.put("blocking_user", user)
 649
 650       # adding title is a hack to not make empty lists function like a public timeline
 651       activities =
 652         ActivityPub.fetch_activities([title | following], params)
 653         |> Enum.reverse()
 654
 655       conn
 656       |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 657     else
 658       _e ->
 659         conn
 660         |> put_status(403)
 661         |> json(%{error: "Error."})
 662     end
 663   end
 664
 665   def index(%{assigns: %{user: user}} = conn, _params) do
 666     token =
 667       conn
 668       |> get_session(:oauth_token)
 669
 670     if user && token do
 671       mastodon_emoji = mastodonized_emoji()
 672       accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
 673
 674       initial_state =
 675         %{
 676           meta: %{
 677             streaming_api_base_url:
 678               String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
 679             access_token: token,
 680             locale: "en",
 681             domain: Pleroma.Web.Endpoint.host(),
 682             admin: "1",
 683             me: "#{user.id}",
 684             unfollow_modal: false,
 685             boost_modal: false,
 686             delete_modal: true,
 687             auto_play_gif: false,
 688             reduce_motion: false
 689           },
 690           compose: %{
 691             me: "#{user.id}",
 692             default_privacy: "public",
 693             default_sensitive: false
 694           },
 695           media_attachments: %{
 696             accept_content_types: [
 697               ".jpg",
 698               ".jpeg",
 699               ".png",
 700               ".gif",
 701               ".webm",
 702               ".mp4",
 703               ".m4v",
 704               "image\/jpeg",
 705               "image\/png",
 706               "image\/gif",
 707               "video\/webm",
 708               "video\/mp4"
 709             ]
 710           },
 711           settings:
 712             Map.get(user.info, "settings") ||
 713               %{
 714                 onboarded: true,
 715                 home: %{
 716                   shows: %{
 717                     reblog: true,
 718                     reply: true
 719                   }
 720                 },
 721                 notifications: %{
 722                   alerts: %{
 723                     follow: true,
 724                     favourite: true,
 725                     reblog: true,
 726                     mention: true
 727                   },
 728                   shows: %{
 729                     follow: true,
 730                     favourite: true,
 731                     reblog: true,
 732                     mention: true
 733                   },
 734                   sounds: %{
 735                     follow: true,
 736                     favourite: true,
 737                     reblog: true,
 738                     mention: true
 739                   }
 740                 }
 741               },
 742           push_subscription: nil,
 743           accounts: accounts,
 744           custom_emojis: mastodon_emoji,
 745           char_limit: Keyword.get(@instance, :limit)
 746         }
 747         |> Jason.encode!()
 748
 749       conn
 750       |> put_layout(false)
 751       |> render(MastodonView, "index.html", %{initial_state: initial_state})
 752     else
 753       conn
 754       |> redirect(to: "/web/login")
 755     end
 756   end
 757
 758   def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
 759     with new_info <- Map.put(user.info, "settings", settings),
 760          change <- User.info_changeset(user, %{info: new_info}),
 761          {:ok, _user} <- User.update_and_set_cache(change) do
 762       conn
 763       |> json(%{})
 764     else
 765       e ->
 766         conn
 767         |> json(%{error: inspect(e)})
 768     end
 769   end
 770
 771   def login(conn, _) do
 772     conn
 773     |> render(MastodonView, "login.html", %{error: false})
 774   end
 775
 776   defp get_or_make_app() do
 777     with %App{} = app <- Repo.get_by(App, client_name: "Mastodon-Local") do
 778       {:ok, app}
 779     else
 780       _e ->
 781         cs =
 782           App.register_changeset(%App{}, %{
 783             client_name: "Mastodon-Local",
 784             redirect_uris: ".",
 785             scopes: "read,write,follow"
 786           })
 787
 788         Repo.insert(cs)
 789     end
 790   end
 791
 792   def login_post(conn, %{"authorization" => %{"name" => name, "password" => password}}) do
 793     with %User{} = user <- User.get_by_nickname_or_email(name),
 794          true <- Pbkdf2.checkpw(password, user.password_hash),
 795          {:ok, app} <- get_or_make_app(),
 796          {:ok, auth} <- Authorization.create_authorization(app, user),
 797          {:ok, token} <- Token.exchange_token(app, auth) do
 798       conn
 799       |> put_session(:oauth_token, token.token)
 800       |> redirect(to: "/web/getting-started")
 801     else
 802       _e ->
 803         conn
 804         |> render(MastodonView, "login.html", %{error: "Wrong username or password"})
 805     end
 806   end
 807
 808   def logout(conn, _) do
 809     conn
 810     |> clear_session
 811     |> redirect(to: "/")
 812   end
 813
 814   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 815     Logger.debug("Unimplemented, returning unmodified relationship")
 816
 817     with %User{} = target <- Repo.get(User, id) do
 818       render(conn, AccountView, "relationship.json", %{user: user, target: target})
 819     end
 820   end
 821
 822   def empty_array(conn, _) do
 823     Logger.debug("Unimplemented, returning an empty array")
 824     json(conn, [])
 825   end
 826
 827   def empty_object(conn, _) do
 828     Logger.debug("Unimplemented, returning an empty object")
 829     json(conn, %{})
 830   end
 831
 832   def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
 833     actor = User.get_cached_by_ap_id(activity.data["actor"])
 834
 835     created_at =
 836       NaiveDateTime.to_iso8601(created_at)
 837       |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 838
 839     case activity.data["type"] do
 840       "Create" ->
 841         %{
 842           id: id,
 843           type: "mention",
 844           created_at: created_at,
 845           account: AccountView.render("account.json", %{user: actor}),
 846           status: StatusView.render("status.json", %{activity: activity, for: user})
 847         }
 848
 849       "Like" ->
 850         liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 851
 852         %{
 853           id: id,
 854           type: "favourite",
 855           created_at: created_at,
 856           account: AccountView.render("account.json", %{user: actor}),
 857           status: StatusView.render("status.json", %{activity: liked_activity, for: user})
 858         }
 859
 860       "Announce" ->
 861         announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 862
 863         %{
 864           id: id,
 865           type: "reblog",
 866           created_at: created_at,
 867           account: AccountView.render("account.json", %{user: actor}),
 868           status: StatusView.render("status.json", %{activity: announced_activity, for: user})
 869         }
 870
 871       "Follow" ->
 872         %{
 873           id: id,
 874           type: "follow",
 875           created_at: created_at,
 876           account: AccountView.render("account.json", %{user: actor})
 877         }
 878
 879       _ ->
 880         nil
 881     end
 882   end
 883 end