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   defp add_link_headers(conn, method, activities) do
  65     last = List.last(activities)
  66     first = List.first(activities)
  67     if last do
  68       min = last.id
  69       max = first.id
  70       next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
  71       prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
  72       conn
  73       |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
  74     else
  75       conn
  76     end
  77   end
  78
  79   def home_timeline(%{assigns: %{user: user}} = conn, params) do
  80     params = params
  81     |> Map.put("type", ["Create", "Announce"])
  82
  83     activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
  84     |> Enum.reverse
  85
  86     conn
  87     |> add_link_headers(:home_timeline, activities)
  88     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
  89   end
  90
  91   def public_timeline(%{assigns: %{user: user}} = conn, params) do
  92     params = params
  93     |> Map.put("type", ["Create", "Announce"])
  94     |> Map.put("local_only", !!params["local"])
  95
  96     activities = ActivityPub.fetch_public_activities(params)
  97     |> Enum.reverse
  98
  99     conn
 100     |> add_link_headers(:public_timeline, activities)
 101     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 102   end
 103
 104   # TODO: Link headers
 105   def user_statuses(%{assigns: %{user: user}} = conn, params) do
 106     with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
 107       params = params
 108       |> Map.put("type", ["Create", "Announce"])
 109       |> Map.put("actor_id", ap_id)
 110
 111       activities = ActivityPub.fetch_activities([], params)
 112       |> Enum.reverse
 113
 114       render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
 115     end
 116   end
 117
 118   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 119     with %Activity{} = activity <- Repo.get(Activity, id) do
 120       render conn, StatusView, "status.json", %{activity: activity, for: user}
 121     end
 122   end
 123
 124   def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 125     with %Activity{} = activity <- Repo.get(Activity, id),
 126          activities <- ActivityPub.fetch_activities_for_context(activity.data["object"]["context"]),
 127          activities <- activities |> Enum.filter(fn (%{id: aid}) -> to_string(aid) != to_string(id) end),
 128          grouped_activities <- Enum.group_by(activities, fn (%{id: id}) -> id < activity.id end) do
 129       result = %{
 130         ancestors: StatusView.render("index.json", for: user, activities: grouped_activities[true] || [], as: :activity) |> Enum.reverse,
 131         descendants: StatusView.render("index.json", for: user, activities: grouped_activities[false] || [], as: :activity) |> Enum.reverse,
 132       }
 133
 134       json(conn, result)
 135     end
 136   end
 137
 138   def post_status(%{assigns: %{user: user}} = conn, %{"status" => status} = params) do
 139     params = params
 140     |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
 141
 142     {:ok, activity} = CommonAPI.post(user, params)
 143     render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 144   end
 145
 146   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 147     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 148       json(conn, %{})
 149     else
 150       _e ->
 151         conn
 152         |> put_status(403)
 153         |> json(%{error: "Can't delete this post"})
 154     end
 155   end
 156
 157   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 158     with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
 159          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 160       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 161     end
 162   end
 163
 164   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 165     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 166          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 167       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 168     end
 169   end
 170
 171   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 172     with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 173          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 174       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 175     end
 176   end
 177
 178   def notifications(%{assigns: %{user: user}} = conn, params) do
 179     notifications = Notification.for_user(user, params)
 180     result = Enum.map(notifications, fn (%{id: id, activity: activity, inserted_at: created_at}) ->
 181       actor = User.get_cached_by_ap_id(activity.data["actor"])
 182       created_at = NaiveDateTime.to_iso8601(created_at)
 183       |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 184       case activity.data["type"] do
 185         "Create" ->
 186           %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity})}
 187         "Like" ->
 188           liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 189           %{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity})}
 190         "Announce" ->
 191           announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 192           %{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity})}
 193         "Follow" ->
 194           %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
 195         _ -> nil
 196       end
 197     end)
 198     |> Enum.filter(&(&1))
 199
 200     conn
 201     |> add_link_headers(:notifications, notifications)
 202     |> json(result)
 203   end
 204
 205   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 206     id = List.wrap(id)
 207     q = from u in User,
 208       where: u.id in ^id
 209     targets = Repo.all(q)
 210     render conn, AccountView, "relationships.json", %{user: user, targets: targets}
 211   end
 212
 213   def upload(%{assigns: %{user: user}} = conn, %{"file" => file}) do
 214     with {:ok, object} <- ActivityPub.upload(file) do
 215       data = object.data
 216       |> Map.put("id", object.id)
 217
 218       render conn, StatusView, "attachment.json", %{attachment: data}
 219     end
 220   end
 221
 222   def favourited_by(conn, %{"id" => id}) do
 223     with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
 224       q = from u in User,
 225         where: u.ap_id in ^likes
 226       users = Repo.all(q)
 227       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 228     else
 229       _ -> json(conn, [])
 230     end
 231   end
 232
 233   def reblogged_by(conn, %{"id" => id}) do
 234     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 235       q = from u in User,
 236         where: u.ap_id in ^announces
 237       users = Repo.all(q)
 238       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 239     else
 240       _ -> json(conn, [])
 241     end
 242   end
 243
 244   # TODO: Link headers
 245   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 246     params = params
 247     |> Map.put("type", "Create")
 248     |> Map.put("local_only", !!params["local"])
 249
 250     activities = ActivityPub.fetch_public_activities(params)
 251     |> Enum.reverse
 252
 253     conn
 254     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 255   end
 256
 257   # TODO: Pagination
 258   def followers(conn, %{"id" => id}) do
 259     with %User{} = user <- Repo.get(User, id),
 260          {:ok, followers} <- User.get_followers(user) do
 261       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 262     end
 263   end
 264
 265   def following(conn, %{"id" => id}) do
 266     with %User{} = user <- Repo.get(User, id),
 267          {:ok, followers} <- User.get_friends(user) do
 268       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 269     end
 270   end
 271
 272   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 273     with %User{} = followed <- Repo.get(User, id),
 274        {:ok, follower} <- User.follow(follower, followed),
 275        {:ok, activity} <- ActivityPub.follow(follower, followed) do
 276       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 277     end
 278   end
 279
 280   # TODO: Clean up and unify
 281   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 282     with %User{} = followed <- Repo.get(User, id),
 283          { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
 284          { :ok, _activity } <- ActivityPub.insert(%{
 285            "type" => "Undo",
 286            "actor" => follower.ap_id,
 287            "object" => follow_activity.data["id"] # get latest Follow for these users
 288          }) do
 289       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 290     end
 291   end
 292
 293   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 294     if params["resolve"] == "true" do
 295       User.get_or_fetch_by_nickname(query)
 296     end
 297
 298     q = from u in User,
 299       where: fragment("(to_tsvector('english', ?) || to_tsvector('english', ?)) @@ plainto_tsquery('english', ?)", u.nickname, u.name, ^query),
 300       limit: 20
 301     accounts = Repo.all(q)
 302
 303     q = from a in Activity,
 304       where: fragment("?->>'type' = 'Create'", a.data),
 305       where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
 306       limit: 20
 307     statuses = Repo.all(q)
 308
 309     res = %{
 310       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 311       "statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 312       "hashtags" => []
 313     }
 314
 315     json(conn, res)
 316   end
 317
 318   def favourites(%{assigns: %{user: user}} = conn, params) do
 319     params = conn
 320     |> Map.put("type", "Create")
 321     |> Map.put("favorited_by", user.ap_id)
 322
 323     activities = ActivityPub.fetch_activities([], params)
 324     |> Enum.reverse
 325
 326     conn
 327     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 328   end
 329
 330   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 331     Logger.debug("Unimplemented, returning unmodified relationship")
 332     with %User{} = target <- Repo.get(User, id) do
 333       render conn, AccountView, "relationship.json", %{user: user, target: target}
 334     end
 335   end
 336
 337   def empty_array(conn, _) do
 338     Logger.debug("Unimplemented, returning an empty array")
 339     json(conn, [])
 340   end
 341 end