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.OAuth.App
   5   alias Pleroma.Web
   6   alias Pleroma.Web.MastodonAPI.{StatusView, AccountView}
   7   alias Pleroma.Web.ActivityPub.ActivityPub
   8   alias Pleroma.Web.TwitterAPI.TwitterAPI
   9   alias Pleroma.Web.CommonAPI
  10   import Ecto.Query
  11   import 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 verify_credentials(%{assigns: %{user: user}} = conn, params) do
  27     account = AccountView.render("account.json", %{user: user})
  28     json(conn, account)
  29   end
  30
  31   def user(conn, %{"id" => id}) do
  32     with %User{} = user <- Repo.get(User, id) do
  33       account = AccountView.render("account.json", %{user: user})
  34       json(conn, account)
  35     else
  36       _e -> conn
  37       |> put_status(404)
  38       |> json(%{error: "Can't find user"})
  39     end
  40   end
  41
  42   @instance Application.get_env(:pleroma, :instance)
  43
  44   def masto_instance(conn, _params) do
  45     response = %{
  46       uri: Web.base_url,
  47       title: Keyword.get(@instance, :name),
  48       description: "A Pleroma instance, an alternative fediverse server",
  49       version: Keyword.get(@instance, :version),
  50       email: Keyword.get(@instance, :email),
  51       urls: %{
  52         streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
  53       },
  54       stats: %{
  55         user_count: 1,
  56         status_count: 2,
  57         domain_count: 3
  58       }
  59     }
  60
  61     json(conn, response)
  62   end
  63
  64   def custom_emojis(conn, _params) do
  65     mastodon_emoji = Pleroma.Formatter.get_custom_emoji()
  66     |> Enum.map(fn {shortcode, relative_url} ->
  67       url = to_string URI.merge(Web.base_url(), relative_url)
  68       %{
  69         "shortcode" => shortcode,
  70         "static_url" => url,
  71         "url" => url
  72       }
  73     end)
  74     json conn, mastodon_emoji
  75   end
  76
  77   defp add_link_headers(conn, method, activities) do
  78     last = List.last(activities)
  79     first = List.first(activities)
  80     if last do
  81       min = last.id
  82       max = first.id
  83       next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
  84       prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
  85       conn
  86       |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
  87     else
  88       conn
  89     end
  90   end
  91
  92   def home_timeline(%{assigns: %{user: user}} = conn, params) do
  93     params = params
  94     |> Map.put("type", ["Create", "Announce"])
  95     |> Map.put("blocking_user", user)
  96
  97     activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
  98     |> Enum.reverse
  99
 100     conn
 101     |> add_link_headers(:home_timeline, activities)
 102     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 103   end
 104
 105   def public_timeline(%{assigns: %{user: user}} = conn, params) do
 106     params = params
 107     |> Map.put("type", ["Create", "Announce"])
 108     |> Map.put("local_only", !!params["local"])
 109     |> Map.put("blocking_user", user)
 110
 111     activities = ActivityPub.fetch_public_activities(params)
 112     |> Enum.reverse
 113
 114     conn
 115     |> add_link_headers(:public_timeline, activities)
 116     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 117   end
 118
 119   # TODO: Link headers
 120   def user_statuses(%{assigns: %{user: user}} = conn, params) do
 121     with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
 122       params = params
 123       |> Map.put("type", ["Create", "Announce"])
 124       |> Map.put("actor_id", ap_id)
 125
 126       activities = ActivityPub.fetch_activities([], params)
 127       |> Enum.reverse
 128
 129       render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
 130     end
 131   end
 132
 133   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 134     with %Activity{} = activity <- Repo.get(Activity, id) do
 135       render conn, StatusView, "status.json", %{activity: activity, for: user}
 136     end
 137   end
 138
 139   def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 140     with %Activity{} = activity <- Repo.get(Activity, id),
 141          activities <- ActivityPub.fetch_activities_for_context(activity.data["object"]["context"], %{"blocking_user" => user}),
 142          activities <- activities |> Enum.filter(fn (%{id: aid}) -> to_string(aid) != to_string(id) end),
 143          grouped_activities <- Enum.group_by(activities, fn (%{id: id}) -> id < activity.id end) do
 144       result = %{
 145         ancestors: StatusView.render("index.json", for: user, activities: grouped_activities[true] || [], as: :activity) |> Enum.reverse,
 146         descendants: StatusView.render("index.json", for: user, activities: grouped_activities[false] || [], as: :activity) |> Enum.reverse,
 147       }
 148
 149       json(conn, result)
 150     end
 151   end
 152
 153   def post_status(%{assigns: %{user: user}} = conn, %{"status" => status} = params) do
 154     params = params
 155     |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
 156
 157     {:ok, activity} = CommonAPI.post(user, params)
 158     render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 159   end
 160
 161   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 162     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 163       json(conn, %{})
 164     else
 165       _e ->
 166         conn
 167         |> put_status(403)
 168         |> json(%{error: "Can't delete this post"})
 169     end
 170   end
 171
 172   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 173     with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
 174          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 175       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 176     end
 177   end
 178
 179   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 180     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 181          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 182       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 183     end
 184   end
 185
 186   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 187     with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 188          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 189       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 190     end
 191   end
 192
 193   def notifications(%{assigns: %{user: user}} = conn, params) do
 194     notifications = Notification.for_user(user, params)
 195     result = Enum.map(notifications, fn (%{id: id, activity: activity, inserted_at: created_at}) ->
 196       actor = User.get_cached_by_ap_id(activity.data["actor"])
 197       created_at = NaiveDateTime.to_iso8601(created_at)
 198       |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 199       case activity.data["type"] do
 200         "Create" ->
 201           %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity, for: user})}
 202         "Like" ->
 203           liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 204           %{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})}
 205         "Announce" ->
 206           announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 207           %{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})}
 208         "Follow" ->
 209           %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
 210         _ -> nil
 211       end
 212     end)
 213     |> Enum.filter(&(&1))
 214
 215     conn
 216     |> add_link_headers(:notifications, notifications)
 217     |> json(result)
 218   end
 219
 220   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 221     id = List.wrap(id)
 222     q = from u in User,
 223       where: u.id in ^id
 224     targets = Repo.all(q)
 225     render conn, AccountView, "relationships.json", %{user: user, targets: targets}
 226   end
 227
 228   def upload(%{assigns: %{user: user}} = conn, %{"file" => file}) do
 229     with {:ok, object} <- ActivityPub.upload(file) do
 230       data = object.data
 231       |> Map.put("id", object.id)
 232
 233       render conn, StatusView, "attachment.json", %{attachment: data}
 234     end
 235   end
 236
 237   def favourited_by(conn, %{"id" => id}) do
 238     with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
 239       q = from u in User,
 240         where: u.ap_id in ^likes
 241       users = Repo.all(q)
 242       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 243     else
 244       _ -> json(conn, [])
 245     end
 246   end
 247
 248   def reblogged_by(conn, %{"id" => id}) do
 249     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 250       q = from u in User,
 251         where: u.ap_id in ^announces
 252       users = Repo.all(q)
 253       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 254     else
 255       _ -> json(conn, [])
 256     end
 257   end
 258
 259   # TODO: Link headers
 260   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 261     params = params
 262     |> Map.put("type", "Create")
 263     |> Map.put("local_only", !!params["local"])
 264     |> Map.put("blocking_user", user)
 265
 266     activities = ActivityPub.fetch_public_activities(params)
 267     |> Enum.reverse
 268
 269     conn
 270     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 271   end
 272
 273   # TODO: Pagination
 274   def followers(conn, %{"id" => id}) do
 275     with %User{} = user <- Repo.get(User, id),
 276          {:ok, followers} <- User.get_followers(user) do
 277       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 278     end
 279   end
 280
 281   def following(conn, %{"id" => id}) do
 282     with %User{} = user <- Repo.get(User, id),
 283          {:ok, followers} <- User.get_friends(user) do
 284       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 285     end
 286   end
 287
 288   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 289     with %User{} = followed <- Repo.get(User, id),
 290          {:ok, follower} <- User.follow(follower, followed),
 291          {:ok, activity} <- ActivityPub.follow(follower, followed) do
 292       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 293     else
 294       {:error, message} = err ->
 295         conn
 296         |> put_resp_content_type("application/json")
 297         |> send_resp(403, Poison.encode!(%{"error" => message}))
 298     end
 299   end
 300
 301   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 302     with %User{} = followed <- Repo.get_by(User, nickname: uri),
 303          {:ok, follower} <- User.follow(follower, followed),
 304          {:ok, activity} <- ActivityPub.follow(follower, followed) do
 305       render conn, AccountView, "account.json", %{user: followed}
 306     else
 307       {:error, message} = err ->
 308         conn
 309         |> put_resp_content_type("application/json")
 310         |> send_resp(403, Poison.encode!(%{"error" => message}))
 311     end
 312   end
 313
 314   # TODO: Clean up and unify
 315   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 316     with %User{} = followed <- Repo.get(User, id),
 317          { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
 318          { :ok, _activity } <- ActivityPub.insert(%{
 319            "type" => "Undo",
 320            "actor" => follower.ap_id,
 321            "object" => follow_activity.data["id"] # get latest Follow for these users
 322          }) do
 323       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 324     end
 325   end
 326
 327   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 328     with %User{} = blocked <- Repo.get(User, id),
 329          {:ok, blocker} <- User.block(blocker, blocked) do
 330       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 331     else
 332       {:error, message} = err ->
 333         conn
 334         |> put_resp_content_type("application/json")
 335         |> send_resp(403, Poison.encode!(%{"error" => message}))
 336     end
 337   end
 338
 339   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 340     with %User{} = blocked <- Repo.get(User, id),
 341          {:ok, blocker} <- User.unblock(blocker, blocked) do
 342       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 343     else
 344       {:error, message} = err ->
 345         conn
 346         |> put_resp_content_type("application/json")
 347         |> send_resp(403, Poison.encode!(%{"error" => message}))
 348     end
 349   end
 350
 351   # TODO: Use proper query
 352   def blocks(%{assigns: %{user: user}} = conn, _) do
 353     with blocked_users <- user.info["blocks"] || [],
 354          accounts <- Enum.map(blocked_users, fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end) do
 355       res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 356       json(conn, res)
 357     end
 358   end
 359
 360   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 361     accounts = User.search(query, params["resolve"] == "true")
 362
 363     q = from a in Activity,
 364       where: fragment("?->>'type' = 'Create'", a.data),
 365       where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
 366       limit: 20
 367     statuses = Repo.all(q)
 368
 369     res = %{
 370       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 371       "statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 372       "hashtags" => []
 373     }
 374
 375     json(conn, res)
 376   end
 377
 378   def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 379     accounts = User.search(query, params["resolve"] == "true")
 380
 381     res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 382
 383     json(conn, res)
 384   end
 385
 386   def favourites(%{assigns: %{user: user}} = conn, params) do
 387     params = conn
 388     |> Map.put("type", "Create")
 389     |> Map.put("favorited_by", user.ap_id)
 390     |> Map.put("blocking_user", user)
 391
 392     activities = ActivityPub.fetch_activities([], params)
 393     |> Enum.reverse
 394
 395     conn
 396     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 397   end
 398
 399   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 400     Logger.debug("Unimplemented, returning unmodified relationship")
 401     with %User{} = target <- Repo.get(User, id) do
 402       render conn, AccountView, "relationship.json", %{user: user, target: target}
 403     end
 404   end
 405
 406   def empty_array(conn, _) do
 407     Logger.debug("Unimplemented, returning an empty array")
 408     json(conn, [])
 409   end
 410 end