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     |> Map.put("blocking_user", user)
  83
  84     activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
  85     |> Enum.reverse
  86
  87     conn
  88     |> add_link_headers(:home_timeline, activities)
  89     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
  90   end
  91
  92   def public_timeline(%{assigns: %{user: user}} = conn, params) do
  93     params = params
  94     |> Map.put("type", ["Create", "Announce"])
  95     |> Map.put("local_only", !!params["local"])
  96     |> Map.put("blocking_user", user)
  97
  98     activities = ActivityPub.fetch_public_activities(params)
  99     |> Enum.reverse
 100
 101     conn
 102     |> add_link_headers(:public_timeline, activities)
 103     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 104   end
 105
 106   # TODO: Link headers
 107   def user_statuses(%{assigns: %{user: user}} = conn, params) do
 108     with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
 109       params = params
 110       |> Map.put("type", ["Create", "Announce"])
 111       |> Map.put("actor_id", ap_id)
 112
 113       activities = ActivityPub.fetch_activities([], params)
 114       |> Enum.reverse
 115
 116       render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
 117     end
 118   end
 119
 120   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 121     with %Activity{} = activity <- Repo.get(Activity, id) do
 122       render conn, StatusView, "status.json", %{activity: activity, for: user}
 123     end
 124   end
 125
 126   def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 127     with %Activity{} = activity <- Repo.get(Activity, id),
 128          activities <- ActivityPub.fetch_activities_for_context(activity.data["object"]["context"], %{"blocking_user" => user}),
 129          activities <- activities |> Enum.filter(fn (%{id: aid}) -> to_string(aid) != to_string(id) end),
 130          grouped_activities <- Enum.group_by(activities, fn (%{id: id}) -> id < activity.id end) do
 131       result = %{
 132         ancestors: StatusView.render("index.json", for: user, activities: grouped_activities[true] || [], as: :activity) |> Enum.reverse,
 133         descendants: StatusView.render("index.json", for: user, activities: grouped_activities[false] || [], as: :activity) |> Enum.reverse,
 134       }
 135
 136       json(conn, result)
 137     end
 138   end
 139
 140   def post_status(%{assigns: %{user: user}} = conn, %{"status" => status} = params) do
 141     params = params
 142     |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
 143
 144     {:ok, activity} = CommonAPI.post(user, params)
 145     render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 146   end
 147
 148   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 149     with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
 150       json(conn, %{})
 151     else
 152       _e ->
 153         conn
 154         |> put_status(403)
 155         |> json(%{error: "Can't delete this post"})
 156     end
 157   end
 158
 159   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 160     with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
 161          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 162       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 163     end
 164   end
 165
 166   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 167     with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
 168          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 169       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 170     end
 171   end
 172
 173   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
 174     with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
 175          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
 176       render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
 177     end
 178   end
 179
 180   def notifications(%{assigns: %{user: user}} = conn, params) do
 181     notifications = Notification.for_user(user, params)
 182     result = Enum.map(notifications, fn (%{id: id, activity: activity, inserted_at: created_at}) ->
 183       actor = User.get_cached_by_ap_id(activity.data["actor"])
 184       created_at = NaiveDateTime.to_iso8601(created_at)
 185       |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 186       case activity.data["type"] do
 187         "Create" ->
 188           %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity})}
 189         "Like" ->
 190           liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 191           %{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity})}
 192         "Announce" ->
 193           announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 194           %{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity})}
 195         "Follow" ->
 196           %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
 197         _ -> nil
 198       end
 199     end)
 200     |> Enum.filter(&(&1))
 201
 202     conn
 203     |> add_link_headers(:notifications, notifications)
 204     |> json(result)
 205   end
 206
 207   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 208     id = List.wrap(id)
 209     q = from u in User,
 210       where: u.id in ^id
 211     targets = Repo.all(q)
 212     render conn, AccountView, "relationships.json", %{user: user, targets: targets}
 213   end
 214
 215   def upload(%{assigns: %{user: user}} = conn, %{"file" => file}) do
 216     with {:ok, object} <- ActivityPub.upload(file) do
 217       data = object.data
 218       |> Map.put("id", object.id)
 219
 220       render conn, StatusView, "attachment.json", %{attachment: data}
 221     end
 222   end
 223
 224   def favourited_by(conn, %{"id" => id}) do
 225     with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
 226       q = from u in User,
 227         where: u.ap_id in ^likes
 228       users = Repo.all(q)
 229       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 230     else
 231       _ -> json(conn, [])
 232     end
 233   end
 234
 235   def reblogged_by(conn, %{"id" => id}) do
 236     with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
 237       q = from u in User,
 238         where: u.ap_id in ^announces
 239       users = Repo.all(q)
 240       render conn, AccountView, "accounts.json", %{users: users, as: :user}
 241     else
 242       _ -> json(conn, [])
 243     end
 244   end
 245
 246   # TODO: Link headers
 247   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
 248     params = params
 249     |> Map.put("type", "Create")
 250     |> Map.put("local_only", !!params["local"])
 251     |> Map.put("blocking_user", user)
 252
 253     activities = ActivityPub.fetch_public_activities(params)
 254     |> Enum.reverse
 255
 256     conn
 257     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 258   end
 259
 260   # TODO: Pagination
 261   def followers(conn, %{"id" => id}) do
 262     with %User{} = user <- Repo.get(User, id),
 263          {:ok, followers} <- User.get_followers(user) do
 264       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 265     end
 266   end
 267
 268   def following(conn, %{"id" => id}) do
 269     with %User{} = user <- Repo.get(User, id),
 270          {:ok, followers} <- User.get_friends(user) do
 271       render conn, AccountView, "accounts.json", %{users: followers, as: :user}
 272     end
 273   end
 274
 275   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 276     with %User{} = followed <- Repo.get(User, id),
 277          {:ok, follower} <- User.follow(follower, followed),
 278          {:ok, activity} <- ActivityPub.follow(follower, followed) do
 279       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 280     else
 281       {:error, message} = err ->
 282         conn
 283         |> put_resp_content_type("application/json")
 284         |> send_resp(403, Poison.encode!(%{"error" => message}))
 285     end
 286   end
 287
 288   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 289     with %User{} = followed <- Repo.get_by(User, nickname: uri),
 290          {:ok, follower} <- User.follow(follower, followed),
 291          {:ok, activity} <- ActivityPub.follow(follower, followed) do
 292       render conn, AccountView, "account.json", %{user: 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   # TODO: Clean up and unify
 302   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
 303     with %User{} = followed <- Repo.get(User, id),
 304          { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
 305          { :ok, _activity } <- ActivityPub.insert(%{
 306            "type" => "Undo",
 307            "actor" => follower.ap_id,
 308            "object" => follow_activity.data["id"] # get latest Follow for these users
 309          }) do
 310       render conn, AccountView, "relationship.json", %{user: follower, target: followed}
 311     end
 312   end
 313
 314   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 315     with %User{} = blocked <- Repo.get(User, id),
 316          {:ok, blocker} <- User.block(blocker, blocked) do
 317       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 318     else
 319       {:error, message} = err ->
 320         conn
 321         |> put_resp_content_type("application/json")
 322         |> send_resp(403, Poison.encode!(%{"error" => message}))
 323     end
 324   end
 325
 326   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
 327     with %User{} = blocked <- Repo.get(User, id),
 328          {:ok, blocker} <- User.unblock(blocker, blocked) do
 329       render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
 330     else
 331       {:error, message} = err ->
 332         conn
 333         |> put_resp_content_type("application/json")
 334         |> send_resp(403, Poison.encode!(%{"error" => message}))
 335     end
 336   end
 337
 338   def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 339     accounts = User.search(query, params["resolve"] == "true")
 340
 341     q = from a in Activity,
 342       where: fragment("?->>'type' = 'Create'", a.data),
 343       where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
 344       limit: 20
 345     statuses = Repo.all(q)
 346
 347     res = %{
 348       "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
 349       "statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
 350       "hashtags" => []
 351     }
 352
 353     json(conn, res)
 354   end
 355
 356   def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
 357     accounts = User.search(query, params["resolve"] == "true")
 358
 359     res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
 360
 361     json(conn, res)
 362   end
 363
 364   def favourites(%{assigns: %{user: user}} = conn, params) do
 365     params = conn
 366     |> Map.put("type", "Create")
 367     |> Map.put("favorited_by", user.ap_id)
 368     |> Map.put("blocking_user", user)
 369
 370     activities = ActivityPub.fetch_activities([], params)
 371     |> Enum.reverse
 372
 373     conn
 374     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
 375   end
 376
 377   def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
 378     Logger.debug("Unimplemented, returning unmodified relationship")
 379     with %User{} = target <- Repo.get(User, id) do
 380       render conn, AccountView, "relationship.json", %{user: user, target: target}
 381     end
 382   end
 383
 384   def empty_array(conn, _) do
 385     Logger.debug("Unimplemented, returning an empty array")
 386     json(conn, [])
 387   end
 388 end