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.CommonAPI
   6   import Ecto.Query
   7
   8   def create_status(%User{} = user, %{"status" => _} = data) do
   9     CommonAPI.post(user, data)
  10   end
  11
  12   def delete(%User{} = user, id) do
  13     with %Activity{data: %{"type" => _type}} <- Repo.get(Activity, id),
  14          {:ok, activity} <- CommonAPI.delete(id, user) do
  15       {:ok, activity}
  16     end
  17   end
  18
  19   def follow(%User{} = follower, params) do
  20     with {:ok, %User{} = followed} <- get_user(params),
  21          {:ok, follower} <- User.maybe_direct_follow(follower, followed),
  22          {:ok, activity} <- ActivityPub.follow(follower, followed),
  23          {:ok, follower, followed} <-
  24            User.wait_and_refresh(
  25              Pleroma.Config.get([:activitypub, :follow_handshake_timeout]),
  26              follower,
  27              followed
  28            ) do
  29       {:ok, follower, followed, activity}
  30     else
  31       err -> err
  32     end
  33   end
  34
  35   def unfollow(%User{} = follower, params) do
  36     with {:ok, %User{} = unfollowed} <- get_user(params),
  37          {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
  38          {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
  39       {:ok, follower, unfollowed}
  40     else
  41       err -> err
  42     end
  43   end
  44
  45   def block(%User{} = blocker, params) do
  46     with {:ok, %User{} = blocked} <- get_user(params),
  47          {:ok, blocker} <- User.block(blocker, blocked),
  48          {:ok, _activity} <- ActivityPub.block(blocker, blocked) do
  49       {:ok, blocker, blocked}
  50     else
  51       err -> err
  52     end
  53   end
  54
  55   def unblock(%User{} = blocker, params) do
  56     with {:ok, %User{} = blocked} <- get_user(params),
  57          {:ok, blocker} <- User.unblock(blocker, blocked),
  58          {:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
  59       {:ok, blocker, blocked}
  60     else
  61       err -> err
  62     end
  63   end
  64
  65   def repeat(%User{} = user, ap_id_or_id) do
  66     with {:ok, _announce, %{data: %{"id" => id}}} <- CommonAPI.repeat(ap_id_or_id, user),
  67          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  68       {:ok, activity}
  69     end
  70   end
  71
  72   def unrepeat(%User{} = user, ap_id_or_id) do
  73     with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
  74          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  75       {:ok, activity}
  76     end
  77   end
  78
  79   def fav(%User{} = user, ap_id_or_id) do
  80     with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
  81          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  82       {:ok, activity}
  83     end
  84   end
  85
  86   def unfav(%User{} = user, ap_id_or_id) do
  87     with {:ok, _unfav, _fav, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
  88          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
  89       {:ok, activity}
  90     end
  91   end
  92
  93   def upload(%Plug.Upload{} = file, %User{} = user, format \\ "xml") do
  94     {:ok, object} = ActivityPub.upload(file, actor: User.ap_id(user))
  95
  96     url = List.first(object.data["url"])
  97     href = url["href"]
  98     type = url["mediaType"]
  99
 100     case format do
 101       "xml" ->
 102         # Fake this as good as possible...
 103         """
 104         <?xml version="1.0" encoding="UTF-8"?>
 105         <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
 106         <mediaid>#{object.id}</mediaid>
 107         <media_id>#{object.id}</media_id>
 108         <media_id_string>#{object.id}</media_id_string>
 109         <media_url>#{href}</media_url>
 110         <mediaurl>#{href}</mediaurl>
 111         <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
 112         </rsp>
 113         """
 114
 115       "json" ->
 116         %{
 117           media_id: object.id,
 118           media_id_string: "#{object.id}}",
 119           media_url: href,
 120           size: 0
 121         }
 122         |> Jason.encode!()
 123     end
 124   end
 125
 126   def register_user(params) do
 127     tokenString = params["token"]
 128
 129     params = %{
 130       nickname: params["nickname"],
 131       name: params["fullname"],
 132       bio: User.parse_bio(params["bio"]),
 133       email: params["email"],
 134       password: params["password"],
 135       password_confirmation: params["confirm"],
 136       captcha_solution: params["captcha_solution"],
 137       captcha_token: params["captcha_token"]
 138     }
 139
 140     captcha_enabled = Pleroma.Config.get([Pleroma.Captcha, :enabled])
 141     # true if captcha is disabled or enabled and valid, false otherwise
 142     captcha_ok = if !captcha_enabled do
 143       true
 144     else
 145       Pleroma.Captcha.validate(params[:captcha_token], params[:captcha_solution])
 146     end
 147
 148     # Captcha invalid
 149     if not captcha_ok do
 150       # I have no idea how this error handling works
 151       {:error, %{error: Jason.encode!(%{captcha: ["Invalid CAPTCHA"]})}}
 152     else
 153       registrations_open = Pleroma.Config.get([:instance, :registrations_open])
 154
 155       # no need to query DB if registration is open
 156       token =
 157         unless registrations_open || is_nil(tokenString) do
 158         Repo.get_by(UserInviteToken, %{token: tokenString})
 159       end
 160
 161       cond do
 162         registrations_open || (!is_nil(token) && !token.used) ->
 163           changeset = User.register_changeset(%User{info: %{}}, params)
 164
 165           with {:ok, user} <- Repo.insert(changeset) do
 166             !registrations_open && UserInviteToken.mark_as_used(token.token)
 167             {:ok, user}
 168           else
 169             {:error, changeset} ->
 170               errors =
 171               Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
 172               |> Jason.encode!()
 173
 174             {:error, %{error: errors}}
 175           end
 176
 177
 178         !registrations_open && is_nil(token) ->
 179             {:error, "Invalid token"}
 180
 181         !registrations_open && token.used ->
 182             {:error, "Expired token"}
 183       end
 184     end
 185   end
 186
 187   def password_reset(nickname_or_email) do
 188     with true <- is_binary(nickname_or_email),
 189          %User{local: true} = user <- User.get_by_nickname_or_email(nickname_or_email),
 190          {:ok, token_record} <- Pleroma.PasswordResetToken.create_token(user) do
 191       user
 192       |> Pleroma.UserEmail.password_reset_email(token_record.token)
 193       |> Pleroma.Mailer.deliver()
 194     else
 195       false ->
 196         {:error, "bad user identifier"}
 197
 198       %User{local: false} ->
 199         {:error, "remote user"}
 200
 201       nil ->
 202         {:error, "unknown user"}
 203     end
 204   end
 205
 206   def get_by_id_or_nickname(id_or_nickname) do
 207     if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
 208       Repo.get_by(User, nickname: id_or_nickname)
 209     else
 210       Repo.get(User, id_or_nickname)
 211     end
 212   end
 213
 214   def get_user(user \\ nil, params) do
 215     case params do
 216       %{"user_id" => user_id} ->
 217         case target = get_by_id_or_nickname(user_id) do
 218           nil ->
 219             {:error, "No user with such user_id"}
 220
 221           _ ->
 222             {:ok, target}
 223         end
 224
 225       %{"screen_name" => nickname} ->
 226         case target = Repo.get_by(User, nickname: nickname) do
 227           nil ->
 228             {:error, "No user with such screen_name"}
 229
 230           _ ->
 231             {:ok, target}
 232         end
 233
 234       _ ->
 235         if user do
 236           {:ok, user}
 237         else
 238           {:error, "You need to specify screen_name or user_id"}
 239         end
 240     end
 241   end
 242
 243   defp parse_int(string, default)
 244
 245   defp parse_int(string, default) when is_binary(string) do
 246     with {n, _} <- Integer.parse(string) do
 247       n
 248     else
 249       _e -> default
 250     end
 251   end
 252
 253   defp parse_int(_, default), do: default
 254
 255   def search(_user, %{"q" => query} = params) do
 256     limit = parse_int(params["rpp"], 20)
 257     page = parse_int(params["page"], 1)
 258     offset = (page - 1) * limit
 259
 260     q =
 261       from(
 262         a in Activity,
 263         where: fragment("?->>'type' = 'Create'", a.data),
 264         where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
 265         where:
 266           fragment(
 267             "to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)",
 268             a.data,
 269             ^query
 270           ),
 271         limit: ^limit,
 272         offset: ^offset,
 273         # this one isn't indexed so psql won't take the wrong index.
 274         order_by: [desc: :inserted_at]
 275       )
 276
 277     _activities = Repo.all(q)
 278   end
 279
 280   # DEPRECATED mostly, context objects are now created at insertion time.
 281   def context_to_conversation_id(context) do
 282     with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
 283       id
 284     else
 285       _e ->
 286         changeset = Object.context_mapping(context)
 287
 288         case Repo.insert(changeset) do
 289           {:ok, %{id: id}} ->
 290             id
 291
 292           # This should be solved by an upsert, but it seems ecto
 293           # has problems accessing the constraint inside the jsonb.
 294           {:error, _} ->
 295             Object.get_cached_by_ap_id(context).id
 296         end
 297     end
 298   end
 299
 300   def conversation_id_to_context(id) do
 301     with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
 302       context
 303     else
 304       _e ->
 305         {:error, "No such conversation"}
 306     end
 307   end
 308
 309   def get_external_profile(for_user, uri) do
 310     with %User{} = user <- User.get_or_fetch(uri) do
 311       {:ok, UserView.render("show.json", %{user: user, for: for_user})}
 312     else
 313       _e ->
 314         {:error, "Couldn't find user"}
 315     end
 316   end
 317 end