git.squeep.com Git - akkoma/blob - lib/pleroma/web/twitter_api/twitter_api.ex

   1 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   2   alias Pleroma.{UserInviteToken, User, Activity, Repo, Object}
   3   alias Pleroma.Web.ActivityPub.ActivityPub
   4   alias Pleroma.Web.TwitterAPI.UserView
   5   alias Pleroma.Web.{OStatus, CommonAPI}
   6   alias Pleroma.Web.MediaProxy
   7   import Ecto.Query
   8
   9   @httpoison Application.get_env(:pleroma, :httpoison)
  10
  11   def create_status(%User{} = user, %{"status" => _} = data) do
  12     CommonAPI.post(user, data)
  13   end
  14
  15   def delete(%User{} = user, id) do
  16     with %Activity{data: %{"type" => type}} <- Repo.get(Activity, id),
  17          {:ok, activity} <- CommonAPI.delete(id, user) do
  18       {:ok, activity}
  19     end
  20   end
  21
  22   def follow(%User{} = follower, params) do
  23     with {:ok, %User{} = followed} <- get_user(params),
  24          {:ok, follower} <- User.maybe_direct_follow(follower, followed),
  25          {:ok, activity} <- ActivityPub.follow(follower, followed),
  26          {:ok, follower, followed} <-
  27            User.wait_and_refresh(
  28              Pleroma.Config.get([:activitypub, :follow_handshake_timeout]),
  29              follower,
  30              followed
  31            ) do
  32       {:ok, follower, followed, activity}
  33     else
  34       err -> err
  35     end
  36   end
  37
  38   def unfollow(%User{} = follower, params) do
  39     with {:ok, %User{} = unfollowed} <- get_user(params),
  40          {:ok, follower, follow_activity} <- User.unfollow(follower, unfollowed),
  41          {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
  42       {:ok, follower, unfollowed}
  43     else
  44       err -> err
  45     end
  46   end
  47
  48   def block(%User{} = blocker, params) do
  49     with {:ok, %User{} = blocked} <- get_user(params),
  50          {:ok, blocker} <- User.block(blocker, blocked),
  51          {:ok, _activity} <- ActivityPub.block(blocker, blocked) do
  52       {:ok, blocker, blocked}
  53     else
  54       err -> err
  55     end
  56   end
  57
  58   def unblock(%User{} = blocker, params) do
  59     with {:ok, %User{} = blocked} <- get_user(params),
  60          {:ok, blocker} <- User.unblock(blocker, blocked),
  61          {:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
  62       {:ok, blocker, blocked}
  63     else
  64       err -> err
  65     end
  66   end
  67
  68   def repeat(%User{} = user, ap_id_or_id) do
  69     with {:ok, _announce, %{data: %{"id" => id}}} <- CommonAPI.repeat(ap_id_or_id, user),
  70          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  71       {:ok, activity}
  72     end
  73   end
  74
  75   def unrepeat(%User{} = user, ap_id_or_id) do
  76     with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
  77          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  78       {:ok, activity}
  79     end
  80   end
  81
  82   def fav(%User{} = user, ap_id_or_id) do
  83     with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
  84          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  85       {:ok, activity}
  86     end
  87   end
  88
  89   def unfav(%User{} = user, ap_id_or_id) do
  90     with {:ok, _unfav, _fav, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
  91          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  92       {:ok, activity}
  93     end
  94   end
  95
  96   def ap_upload(%Plug.Upload{} = file, %User{} = user) do
  97     ActivityPub.upload(file, actor: User.ap_id(user))
  98   end
  99
 100   def upload(%Plug.Upload{} = file, %User{} = user, format \\ "xml") do
 101     {:ok, object} = ap_upload(file, user)
 102
 103     url = List.first(object.data["url"])
 104     href = url["href"]
 105     type = url["mediaType"]
 106
 107     case format do
 108       "xml" ->
 109         # Fake this as good as possible...
 110         """
 111         <?xml version="1.0" encoding="UTF-8"?>
 112         <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
 113         <mediaid>#{object.id}</mediaid>
 114         <media_id>#{object.id}</media_id>
 115         <media_id_string>#{object.id}</media_id_string>
 116         <media_url>#{href}</media_url>
 117         <mediaurl>#{href}</mediaurl>
 118         <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
 119         </rsp>
 120         """
 121
 122       "json" ->
 123         %{
 124           media_id: object.id,
 125           media_id_string: "#{object.id}}",
 126           media_url: href,
 127           size: 0
 128         }
 129         |> Jason.encode!()
 130     end
 131   end
 132
 133   def register_user(params) do
 134     tokenString = params["token"]
 135
 136     params = %{
 137       nickname: params["nickname"],
 138       name: params["fullname"],
 139       bio: User.parse_bio(params["bio"]),
 140       email: params["email"],
 141       password: params["password"],
 142       password_confirmation: params["confirm"]
 143     }
 144
 145     registrations_open = Pleroma.Config.get([:instance, :registrations_open])
 146
 147     # no need to query DB if registration is open
 148     token =
 149       unless registrations_open || is_nil(tokenString) do
 150         Repo.get_by(UserInviteToken, %{token: tokenString})
 151       end
 152
 153     cond do
 154       registrations_open || (!is_nil(token) && !token.used) ->
 155         changeset = User.register_changeset(%User{info: %{}}, params)
 156
 157         with {:ok, user} <- Repo.insert(changeset) do
 158           !registrations_open && UserInviteToken.mark_as_used(token.token)
 159           {:ok, user}
 160         else
 161           {:error, changeset} ->
 162             errors =
 163               Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
 164               |> Jason.encode!()
 165
 166             {:error, %{error: errors}}
 167         end
 168
 169       !registrations_open && is_nil(token) ->
 170         {:error, "Invalid token"}
 171
 172       !registrations_open && token.used ->
 173         {:error, "Expired token"}
 174     end
 175   end
 176
 177   def get_by_id_or_nickname(id_or_nickname) do
 178     if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
 179       Repo.get_by(User, nickname: id_or_nickname)
 180     else
 181       Repo.get(User, id_or_nickname)
 182     end
 183   end
 184
 185   def get_user(user \\ nil, params) do
 186     case params do
 187       %{"user_id" => user_id} ->
 188         case target = get_by_id_or_nickname(user_id) do
 189           nil ->
 190             {:error, "No user with such user_id"}
 191
 192           _ ->
 193             {:ok, target}
 194         end
 195
 196       %{"screen_name" => nickname} ->
 197         case target = Repo.get_by(User, nickname: nickname) do
 198           nil ->
 199             {:error, "No user with such screen_name"}
 200
 201           _ ->
 202             {:ok, target}
 203         end
 204
 205       _ ->
 206         if user do
 207           {:ok, user}
 208         else
 209           {:error, "You need to specify screen_name or user_id"}
 210         end
 211     end
 212   end
 213
 214   defp parse_int(string, default)
 215
 216   defp parse_int(string, default) when is_binary(string) do
 217     with {n, _} <- Integer.parse(string) do
 218       n
 219     else
 220       _e -> default
 221     end
 222   end
 223
 224   defp parse_int(_, default), do: default
 225
 226   def search(_user, %{"q" => query} = params) do
 227     limit = parse_int(params["rpp"], 20)
 228     page = parse_int(params["page"], 1)
 229     offset = (page - 1) * limit
 230
 231     q =
 232       from(
 233         a in Activity,
 234         where: fragment("?->>'type' = 'Create'", a.data),
 235         where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
 236         where:
 237           fragment(
 238             "to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)",
 239             a.data,
 240             ^query
 241           ),
 242         limit: ^limit,
 243         offset: ^offset,
 244         # this one isn't indexed so psql won't take the wrong index.
 245         order_by: [desc: :inserted_at]
 246       )
 247
 248     _activities = Repo.all(q)
 249   end
 250
 251   defp make_date do
 252     DateTime.utc_now() |> DateTime.to_iso8601()
 253   end
 254
 255   # DEPRECATED mostly, context objects are now created at insertion time.
 256   def context_to_conversation_id(context) do
 257     with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
 258       id
 259     else
 260       _e ->
 261         changeset = Object.context_mapping(context)
 262
 263         case Repo.insert(changeset) do
 264           {:ok, %{id: id}} ->
 265             id
 266
 267           # This should be solved by an upsert, but it seems ecto
 268           # has problems accessing the constraint inside the jsonb.
 269           {:error, _} ->
 270             Object.get_cached_by_ap_id(context).id
 271         end
 272     end
 273   end
 274
 275   def conversation_id_to_context(id) do
 276     with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
 277       context
 278     else
 279       _e ->
 280         {:error, "No such conversation"}
 281     end
 282   end
 283
 284   def get_external_profile(for_user, uri) do
 285     with %User{} = user <- User.get_or_fetch(uri) do
 286       {:ok, UserView.render("show.json", %{user: user, for: for_user})}
 287     else
 288       _e ->
 289         {:error, "Couldn't find user"}
 290     end
 291   end
 292 end