honkoma/lib/pleroma/web/mastodon_api/controllers/account_controller.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.AccountController do
use Pleroma.Web, :controller
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import Pleroma.Web.ControllerHelper,
only: [
add_link_headers: 2,
truthy_param?: 1,
assign_account_by_id: 2,
json_response: 3,
skip_relationships?: 1
]
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alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Plugs.RateLimiter
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alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.MastodonAPI.ListView
alias Pleroma.Web.MastodonAPI.MastodonAPI
alias Pleroma.Web.MastodonAPI.StatusView
alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.TwitterAPI.TwitterAPI
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plug(
OAuthScopesPlug,
%{fallback: :proceed_unauthenticated, scopes: ["read:accounts"]}
when action == :show
)
plug(
OAuthScopesPlug,
%{scopes: ["read:accounts"]}
when action in [:endorsements, :verify_credentials, :followers, :following]
)
plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :update_credentials)
plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :lists)
plug(
OAuthScopesPlug,
%{scopes: ["follow", "read:blocks"]} when action == :blocks
)
plug(
OAuthScopesPlug,
%{scopes: ["follow", "write:blocks"]} when action in [:block, :unblock]
)
plug(OAuthScopesPlug, %{scopes: ["read:follows"]} when action == :relationships)
# Note: :follows (POST /api/v1/follows) is the same as :follow, consider removing :follows
plug(
OAuthScopesPlug,
%{scopes: ["follow", "write:follows"]} when action in [:follows, :follow, :unfollow]
)
plug(OAuthScopesPlug, %{scopes: ["follow", "read:mutes"]} when action == :mutes)
plug(OAuthScopesPlug, %{scopes: ["follow", "write:mutes"]} when action in [:mute, :unmute])
plug(
Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
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when action not in [:create, :show, :statuses]
)
@relationship_actions [:follow, :unfollow]
@needs_account ~W(followers following lists follow unfollow mute unmute block unblock)a
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plug(
RateLimiter,
[name: :relation_id_action, params: ["id", "uri"]] when action in @relationship_actions
)
plug(RateLimiter, [name: :relations_actions] when action in @relationship_actions)
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plug(RateLimiter, [name: :app_account_creation] when action == :create)
plug(:assign_account_by_id when action in @needs_account)
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plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
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action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
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defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.AccountOperation
@doc "POST /api/v1/accounts"
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def create(%{assigns: %{app: app}, body_params: params} = conn, _params) do
params =
params
|> Map.take([
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:email,
:bio,
:captcha_solution,
:captcha_token,
:captcha_answer_data,
:token,
:password,
:fullname
])
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|> Map.put(:nickname, params.username)
|> Map.put(:fullname, params.fullname || params.username)
|> Map.put(:bio, params.bio || "")
|> Map.put(:confirm, params.password)
with :ok <- validate_email_param(params),
{:ok, user} <- TwitterAPI.register_user(params, need_confirmation: true),
{:ok, token} <- Token.create_token(app, user, %{scopes: app.scopes}) do
json(conn, %{
token_type: "Bearer",
access_token: token.token,
scope: app.scopes,
created_at: Token.Utils.format_created_at(token)
})
else
{:error, errors} -> json_response(conn, :bad_request, errors)
end
end
def create(%{assigns: %{app: _app}} = conn, _) do
render_error(conn, :bad_request, "Missing parameters")
end
def create(conn, _) do
render_error(conn, :forbidden, "Invalid credentials")
end
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defp validate_email_param(%{:email => email}) when not is_nil(email), do: :ok
defp validate_email_param(_) do
case Pleroma.Config.get([:instance, :account_activation_required]) do
true -> {:error, %{"error" => "Missing parameters"}}
_ -> :ok
end
end
@doc "GET /api/v1/accounts/verify_credentials"
def verify_credentials(%{assigns: %{user: user}} = conn, _) do
chat_token = Phoenix.Token.sign(conn, "user socket", user.id)
render(conn, "show.json",
user: user,
for: user,
with_pleroma_settings: true,
with_chat_token: chat_token
)
end
@doc "PATCH /api/v1/accounts/update_credentials"
def update_credentials(%{assigns: %{user: original_user}, body_params: params} = conn, _params) do
user = original_user
params =
params
|> Map.from_struct()
|> Enum.filter(fn {_, value} -> not is_nil(value) end)
|> Enum.into(%{})
user_params =
[
:no_rich_text,
:locked,
:hide_followers_count,
:hide_follows_count,
:hide_followers,
:hide_follows,
:hide_favorites,
:show_role,
:skip_thread_containment,
:allow_following_move,
:discoverable
]
|> Enum.reduce(%{}, fn key, acc ->
add_if_present(acc, params, key, key, &{:ok, truthy_param?(&1)})
end)
|> add_if_present(params, :display_name, :name)
|> add_if_present(params, :note, :bio)
|> add_if_present(params, :avatar, :avatar)
|> add_if_present(params, :header, :banner)
|> add_if_present(params, :pleroma_background_image, :background)
|> add_if_present(
params,
:fields_attributes,
:raw_fields,
&{:ok, normalize_fields_attributes(&1)}
)
|> add_if_present(params, :pleroma_settings_store, :pleroma_settings_store)
|> add_if_present(params, :default_scope, :default_scope)
|> add_if_present(params, :actor_type, :actor_type)
changeset = User.update_changeset(user, user_params)
with {:ok, user} <- User.update_and_set_cache(changeset) do
if original_user != user, do: CommonAPI.update(user)
render(conn, "show.json", user: user, for: user, with_pleroma_settings: true)
else
_e -> render_error(conn, :forbidden, "Invalid request")
end
end
defp add_if_present(map, params, params_field, map_field, value_function \\ &{:ok, &1}) do
with true <- Map.has_key?(params, params_field),
{:ok, new_value} <- value_function.(Map.get(params, params_field)) do
Map.put(map, map_field, new_value)
else
_ -> map
end
end
defp normalize_fields_attributes(fields) do
if Enum.all?(fields, &is_tuple/1) do
Enum.map(fields, fn {_, v} -> v end)
else
Enum.map(fields, fn
%Pleroma.Web.ApiSpec.Schemas.AccountAttributeField{} = field ->
%{"name" => field.name, "value" => field.value}
field ->
field
end)
end
end
@doc "GET /api/v1/accounts/relationships"
def relationships(%{assigns: %{user: user}} = conn, %{id: id}) do
targets = User.get_all_by_ids(List.wrap(id))
render(conn, "relationships.json", user: user, targets: targets)
end
# Instead of returning a 400 when no "id" params is present, Mastodon returns an empty array.
def relationships(%{assigns: %{user: _user}} = conn, _), do: json(conn, [])
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@doc "GET /api/v1/accounts/:id"
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def show(%{assigns: %{user: for_user}} = conn, %{id: nickname_or_id}) do
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with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id, for: for_user),
true <- User.visible_for?(user, for_user) do
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render(conn, "show.json", user: user, for: for_user)
else
_e -> render_error(conn, :not_found, "Can't find user")
end
end
@doc "GET /api/v1/accounts/:id/statuses"
def statuses(%{assigns: %{user: reading_user}} = conn, params) do
with %User{} = user <- User.get_cached_by_nickname_or_id(params.id, for: reading_user),
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true <- User.visible_for?(user, reading_user) do
params =
params
|> Map.delete(:tagged)
|> Enum.filter(&(not is_nil(&1)))
|> Map.new(fn {key, value} -> {to_string(key), value} end)
|> Map.put("tag", params[:tagged])
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activities = ActivityPub.fetch_user_activities(user, reading_user, params)
conn
|> add_link_headers(activities)
|> put_view(StatusView)
|> render("index.json",
activities: activities,
for: reading_user,
as: :activity,
skip_relationships: skip_relationships?(params)
)
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else
_e -> render_error(conn, :not_found, "Can't find user")
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end
end
@doc "GET /api/v1/accounts/:id/followers"
def followers(%{assigns: %{user: for_user, account: user}} = conn, params) do
params =
params
|> Enum.map(fn {key, value} -> {to_string(key), value} end)
|> Enum.into(%{})
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followers =
cond do
for_user && user.id == for_user.id -> MastodonAPI.get_followers(user, params)
user.hide_followers -> []
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true -> MastodonAPI.get_followers(user, params)
end
conn
|> add_link_headers(followers)
|> render("index.json", for: for_user, users: followers, as: :user)
end
@doc "GET /api/v1/accounts/:id/following"
def following(%{assigns: %{user: for_user, account: user}} = conn, params) do
params =
params
|> Enum.map(fn {key, value} -> {to_string(key), value} end)
|> Enum.into(%{})
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followers =
cond do
for_user && user.id == for_user.id -> MastodonAPI.get_friends(user, params)
user.hide_follows -> []
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true -> MastodonAPI.get_friends(user, params)
end
conn
|> add_link_headers(followers)
|> render("index.json", for: for_user, users: followers, as: :user)
end
@doc "GET /api/v1/accounts/:id/lists"
def lists(%{assigns: %{user: user, account: account}} = conn, _params) do
lists = Pleroma.List.get_lists_account_belongs(user, account)
conn
|> put_view(ListView)
|> render("index.json", lists: lists)
end
@doc "POST /api/v1/accounts/:id/follow"
def follow(%{assigns: %{user: %{id: id}, account: %{id: id}}}, _params) do
{:error, :not_found}
end
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def follow(%{assigns: %{user: follower, account: followed}} = conn, params) do
with {:ok, follower} <- MastodonAPI.follow(follower, followed, params) do
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render(conn, "relationship.json", user: follower, target: followed)
else
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{:error, message} -> json_response(conn, :forbidden, %{error: message})
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end
end
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@doc "POST /api/v1/accounts/:id/unfollow"
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def unfollow(%{assigns: %{user: %{id: id}, account: %{id: id}}}, _params) do
{:error, :not_found}
end
def unfollow(%{assigns: %{user: follower, account: followed}} = conn, _params) do
with {:ok, follower} <- CommonAPI.unfollow(follower, followed) do
render(conn, "relationship.json", user: follower, target: followed)
end
end
@doc "POST /api/v1/accounts/:id/mute"
def mute(%{assigns: %{user: muter, account: muted}, body_params: params} = conn, _params) do
with {:ok, _user_relationships} <- User.mute(muter, muted, params.notifications) do
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render(conn, "relationship.json", user: muter, target: muted)
else
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{:error, message} -> json_response(conn, :forbidden, %{error: message})
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end
end
@doc "POST /api/v1/accounts/:id/unmute"
def unmute(%{assigns: %{user: muter, account: muted}} = conn, _params) do
with {:ok, _user_relationships} <- User.unmute(muter, muted) do
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render(conn, "relationship.json", user: muter, target: muted)
else
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{:error, message} -> json_response(conn, :forbidden, %{error: message})
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end
end
@doc "POST /api/v1/accounts/:id/block"
def block(%{assigns: %{user: blocker, account: blocked}} = conn, _params) do
with {:ok, _user_block} <- User.block(blocker, blocked),
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{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
render(conn, "relationship.json", user: blocker, target: blocked)
else
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{:error, message} -> json_response(conn, :forbidden, %{error: message})
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end
end
@doc "POST /api/v1/accounts/:id/unblock"
def unblock(%{assigns: %{user: blocker, account: blocked}} = conn, _params) do
with {:ok, _user_block} <- User.unblock(blocker, blocked),
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{:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
render(conn, "relationship.json", user: blocker, target: blocked)
else
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{:error, message} -> json_response(conn, :forbidden, %{error: message})
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end
end
@doc "POST /api/v1/follows"
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def follows(%{assigns: %{user: follower}, body_params: %{uri: uri}} = conn, _) do
with {_, %User{} = followed} <- {:followed, User.get_cached_by_nickname(uri)},
{_, true} <- {:followed, follower.id != followed.id},
{:ok, follower, followed, _} <- CommonAPI.follow(follower, followed) do
render(conn, "show.json", user: followed, for: follower)
else
{:followed, _} -> {:error, :not_found}
{:error, message} -> json_response(conn, :forbidden, %{error: message})
end
end
@doc "GET /api/v1/mutes"
def mutes(%{assigns: %{user: user}} = conn, _) do
users = User.muted_users(user, _restrict_deactivated = true)
render(conn, "index.json", users: users, for: user, as: :user)
end
@doc "GET /api/v1/blocks"
def blocks(%{assigns: %{user: user}} = conn, _) do
users = User.blocked_users(user, _restrict_deactivated = true)
render(conn, "index.json", users: users, for: user, as: :user)
end
@doc "GET /api/v1/endorsements"
def endorsements(conn, params),
do: Pleroma.Web.MastodonAPI.MastodonAPIController.empty_array(conn, params)
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end