Pleroma/lib/pleroma/web/mastodon_api/controllers/status_controller.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.StatusController do
use Pleroma.Web, :controller
import Pleroma.Web.ControllerHelper, only: [try_render: 3, add_link_headers: 2]
require Ecto.Query
alias Pleroma.Activity
alias Pleroma.Bookmark
alias Pleroma.Object
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Plugs.RateLimiter
alias Pleroma.Repo
alias Pleroma.ScheduledActivity
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.ScheduledActivityView
@unauthenticated_access %{fallback: :proceed_unauthenticated, scopes: []}
plug(
OAuthScopesPlug,
%{@unauthenticated_access | scopes: ["read:statuses"]}
when action in [
:index,
:show,
:card,
:context
]
)
plug(
OAuthScopesPlug,
%{scopes: ["write:statuses"]}
when action in [
:create,
:delete,
:reblog,
:unreblog
]
)
plug(OAuthScopesPlug, %{scopes: ["read:favourites"]} when action == :favourites)
plug(
OAuthScopesPlug,
%{scopes: ["write:favourites"]} when action in [:favourite, :unfavourite]
)
plug(
OAuthScopesPlug,
%{scopes: ["write:mutes"]} when action in [:mute_conversation, :unmute_conversation]
)
plug(
OAuthScopesPlug,
%{@unauthenticated_access | scopes: ["read:accounts"]}
when action in [:favourited_by, :reblogged_by]
)
plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action in [:pin, :unpin])
# Note: scope not present in Mastodon: read:bookmarks
plug(OAuthScopesPlug, %{scopes: ["read:bookmarks"]} when action == :bookmarks)
# Note: scope not present in Mastodon: write:bookmarks
plug(
OAuthScopesPlug,
%{scopes: ["write:bookmarks"]} when action in [:bookmark, :unbookmark]
)
plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
@rate_limited_status_actions ~w(reblog unreblog favourite unfavourite create delete)a
plug(
RateLimiter,
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[name: :status_id_action, bucket_name: "status_id_action:reblog_unreblog", params: ["id"]]
when action in ~w(reblog unreblog)a
)
plug(
RateLimiter,
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[name: :status_id_action, bucket_name: "status_id_action:fav_unfav", params: ["id"]]
when action in ~w(favourite unfavourite)a
)
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plug(RateLimiter, [name: :statuses_actions] when action in @rate_limited_status_actions)
action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
@doc """
GET `/api/v1/statuses?ids[]=1&ids[]=2`
`ids` query param is required
"""
def index(%{assigns: %{user: user}} = conn, %{"ids" => ids}) do
limit = 100
activities =
ids
|> Enum.take(limit)
|> Activity.all_by_ids_with_object()
|> Enum.filter(&Visibility.visible_for_user?(&1, user))
render(conn, "index.json", activities: activities, for: user, as: :activity)
end
@doc """
POST /api/v1/statuses
Creates a scheduled status when `scheduled_at` param is present and it's far enough
"""
def create(
%{assigns: %{user: user}} = conn,
%{"status" => _, "scheduled_at" => scheduled_at} = params
) do
params = Map.put(params, "in_reply_to_status_id", params["in_reply_to_id"])
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with {:far_enough, true} <- {:far_enough, ScheduledActivity.far_enough?(scheduled_at)},
attrs <- %{"params" => params, "scheduled_at" => scheduled_at},
{:ok, scheduled_activity} <- ScheduledActivity.create(user, attrs) do
conn
|> put_view(ScheduledActivityView)
|> render("show.json", scheduled_activity: scheduled_activity)
else
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{:far_enough, _} ->
create(conn, Map.drop(params, ["scheduled_at"]))
error ->
error
end
end
@doc """
POST /api/v1/statuses
Creates a regular status
"""
def create(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
params = Map.put(params, "in_reply_to_status_id", params["in_reply_to_id"])
with {:ok, activity} <- CommonAPI.post(user, params) do
try_render(conn, "show.json",
activity: activity,
for: user,
as: :activity,
with_direct_conversation_id: true
)
else
{:error, message} ->
conn
|> put_status(:unprocessable_entity)
|> json(%{error: message})
end
end
def create(%{assigns: %{user: _user}} = conn, %{"media_ids" => _} = params) do
create(conn, Map.put(params, "status", ""))
end
@doc "GET /api/v1/statuses/:id"
def show(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
true <- Visibility.visible_for_user?(activity, user) do
try_render(conn, "show.json",
activity: activity,
for: user,
with_direct_conversation_id: true
)
else
_ -> {:error, :not_found}
end
end
@doc "DELETE /api/v1/statuses/:id"
def delete(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
json(conn, %{})
else
{:error, :not_found} = e -> e
_e -> render_error(conn, :forbidden, "Can't delete this post")
end
end
@doc "POST /api/v1/statuses/:id/reblog"
def reblog(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id} = params) do
with {:ok, announce, _activity} <- CommonAPI.repeat(ap_id_or_id, user, params),
%Activity{} = announce <- Activity.normalize(announce.data) do
try_render(conn, "show.json", %{activity: announce, for: user, as: :activity})
end
end
@doc "POST /api/v1/statuses/:id/unreblog"
def unreblog(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do
try_render(conn, "show.json", %{activity: activity, for: user, as: :activity})
end
end
@doc "POST /api/v1/statuses/:id/favourite"
def favourite(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/unfavourite"
def unfavourite(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, _, _, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/pin"
def pin(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, activity} <- CommonAPI.pin(ap_id_or_id, user) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/unpin"
def unpin(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, activity} <- CommonAPI.unpin(ap_id_or_id, user) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/bookmark"
def bookmark(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
%User{} = user <- User.get_cached_by_nickname(user.nickname),
true <- Visibility.visible_for_user?(activity, user),
{:ok, _bookmark} <- Bookmark.create(user.id, activity.id) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/unbookmark"
def unbookmark(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
%User{} = user <- User.get_cached_by_nickname(user.nickname),
true <- Visibility.visible_for_user?(activity, user),
{:ok, _bookmark} <- Bookmark.destroy(user.id, activity.id) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/mute"
def mute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id(id),
{:ok, activity} <- CommonAPI.add_mute(user, activity) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "POST /api/v1/statuses/:id/unmute"
def unmute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id(id),
{:ok, activity} <- CommonAPI.remove_mute(user, activity) do
try_render(conn, "show.json", activity: activity, for: user, as: :activity)
end
end
@doc "GET /api/v1/statuses/:id/card"
@deprecated "https://github.com/tootsuite/mastodon/pull/11213"
def card(%{assigns: %{user: user}} = conn, %{"id" => status_id}) do
with %Activity{} = activity <- Activity.get_by_id(status_id),
true <- Visibility.visible_for_user?(activity, user) do
data = Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
render(conn, "card.json", data)
else
_ -> render_error(conn, :not_found, "Record not found")
end
end
@doc "GET /api/v1/statuses/:id/favourited_by"
def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, user)},
%Object{data: %{"likes" => likes}} <- Object.normalize(activity) do
users =
User
|> Ecto.Query.where([u], u.ap_id in ^likes)
|> Repo.all()
|> Enum.filter(&(not User.blocks?(user, &1)))
conn
|> put_view(AccountView)
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|> render("index.json", for: user, users: users, as: :user)
else
{:visible, false} -> {:error, :not_found}
_ -> json(conn, [])
end
end
@doc "GET /api/v1/statuses/:id/reblogged_by"
def reblogged_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, user)},
%Object{data: %{"announcements" => announces, "id" => ap_id}} <-
Object.normalize(activity) do
announces =
"Announce"
|> Activity.Queries.by_type()
|> Ecto.Query.where([a], a.actor in ^announces)
# this is to use the index
|> Activity.Queries.by_object_id(ap_id)
|> Repo.all()
|> Enum.filter(&Visibility.visible_for_user?(&1, user))
|> Enum.map(& &1.actor)
|> Enum.uniq()
users =
User
|> Ecto.Query.where([u], u.ap_id in ^announces)
|> Repo.all()
|> Enum.filter(&(not User.blocks?(user, &1)))
conn
|> put_view(AccountView)
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|> render("index.json", for: user, users: users, as: :user)
else
{:visible, false} -> {:error, :not_found}
_ -> json(conn, [])
end
end
@doc "GET /api/v1/statuses/:id/context"
def context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id(id) do
activities =
ActivityPub.fetch_activities_for_context(activity.data["context"], %{
"blocking_user" => user,
"user" => user,
"exclude_id" => activity.id
})
render(conn, "context.json", activity: activity, activities: activities, user: user)
end
end
@doc "GET /api/v1/favourites"
def favourites(%{assigns: %{user: user}} = conn, params) do
activities =
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ActivityPub.fetch_favourites(
user,
Map.take(params, Pleroma.Pagination.page_keys())
)
conn
|> add_link_headers(activities)
|> render("index.json", activities: activities, for: user, as: :activity)
end
@doc "GET /api/v1/bookmarks"
def bookmarks(%{assigns: %{user: user}} = conn, params) do
user = User.get_cached_by_id(user.id)
bookmarks =
user.id
|> Bookmark.for_user_query()
|> Pleroma.Pagination.fetch_paginated(params)
activities =
bookmarks
|> Enum.map(fn b -> Map.put(b.activity, :bookmark, Map.delete(b, :activity)) end)
conn
|> add_link_headers(bookmarks)
|> render("index.json", %{activities: activities, for: user, as: :activity})
end
end