akkoma/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
use Pleroma.Web, :controller
alias Ecto.Changeset
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alias Pleroma.Activity
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alias Pleroma.Bookmark
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alias Pleroma.Config
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alias Pleroma.Conversation.Participation
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alias Pleroma.Filter
alias Pleroma.Formatter
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alias Pleroma.Notification
alias Pleroma.Object
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alias Pleroma.Object.Fetcher
alias Pleroma.Pagination
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alias Pleroma.Repo
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alias Pleroma.ScheduledActivity
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alias Pleroma.Stats
alias Pleroma.User
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alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.AppView
alias Pleroma.Web.MastodonAPI.ConversationView
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alias Pleroma.Web.MastodonAPI.FilterView
alias Pleroma.Web.MastodonAPI.ListView
alias Pleroma.Web.MastodonAPI.MastodonAPI
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alias Pleroma.Web.MastodonAPI.MastodonView
alias Pleroma.Web.MastodonAPI.NotificationView
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alias Pleroma.Web.MastodonAPI.ReportView
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alias Pleroma.Web.MastodonAPI.ScheduledActivityView
alias Pleroma.Web.MastodonAPI.StatusView
alias Pleroma.Web.MediaProxy
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alias Pleroma.Web.OAuth.App
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Scopes
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alias Pleroma.Web.OAuth.Token
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alias Pleroma.Web.ControllerHelper
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import Ecto.Query
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require Logger
@httpoison Application.get_env(:pleroma, :httpoison)
@local_mastodon_name "Mastodon-Local"
action_fallback(:errors)
def create_app(conn, params) do
scopes = Scopes.fetch_scopes(params, ["read"])
app_attrs =
params
|> Map.drop(["scope", "scopes"])
|> Map.put("scopes", scopes)
with cs <- App.register_changeset(%App{}, app_attrs),
false <- cs.changes[:client_name] == @local_mastodon_name,
{:ok, app} <- Repo.insert(cs) do
conn
|> put_view(AppView)
|> render("show.json", %{app: app})
end
end
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defp add_if_present(
map,
params,
params_field,
map_field,
value_function \\ fn x -> {:ok, x} end
) do
if Map.has_key?(params, params_field) do
case value_function.(params[params_field]) do
{:ok, new_value} -> Map.put(map, map_field, new_value)
:error -> map
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end
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else
map
end
end
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def update_credentials(%{assigns: %{user: user}} = conn, params) do
original_user = user
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user_params =
%{}
|> add_if_present(params, "display_name", :name)
|> add_if_present(params, "note", :bio, fn value -> {:ok, User.parse_bio(value, user)} end)
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|> add_if_present(params, "avatar", :avatar, fn value ->
with %Plug.Upload{} <- value,
{:ok, object} <- ActivityPub.upload(value, type: :avatar) do
{:ok, object.data}
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else
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_ -> :error
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end
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end)
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emojis_text = (user_params["display_name"] || "") <> (user_params["note"] || "")
user_info_emojis =
((user.info.emoji || []) ++ Formatter.get_emoji_map(emojis_text))
|> Enum.dedup()
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info_params =
[:no_rich_text, :locked, :hide_followers, :hide_follows, :hide_favorites, :show_role]
|> Enum.reduce(%{}, fn key, acc ->
add_if_present(acc, params, to_string(key), key, fn value ->
{:ok, ControllerHelper.truthy_param?(value)}
end)
end)
|> add_if_present(params, "default_scope", :default_scope)
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|> add_if_present(params, "header", :banner, fn value ->
with %Plug.Upload{} <- value,
{:ok, object} <- ActivityPub.upload(value, type: :banner) do
{:ok, object.data}
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else
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_ -> :error
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end
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end)
|> Map.put(:emoji, user_info_emojis)
info_cng = User.Info.profile_update(user.info, info_params)
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with changeset <- User.update_changeset(user, user_params),
changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
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{:ok, user} <- User.update_and_set_cache(changeset) do
if original_user != user do
CommonAPI.update(user)
end
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json(conn, AccountView.render("account.json", %{user: user, for: user}))
else
_e ->
conn
|> put_status(403)
|> json(%{error: "Invalid request"})
end
end
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def verify_credentials(%{assigns: %{user: user}} = conn, _) do
account = AccountView.render("account.json", %{user: user, for: user})
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json(conn, account)
end
def verify_app_credentials(%{assigns: %{user: _user, token: token}} = conn, _) do
with %Token{app: %App{} = app} <- Repo.preload(token, :app) do
conn
|> put_view(AppView)
|> render("short.json", %{app: app})
end
end
def user(%{assigns: %{user: for_user}} = conn, %{"id" => nickname_or_id}) do
with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id),
true <- User.auth_active?(user) || user.id == for_user.id || User.superuser?(for_user) do
account = AccountView.render("account.json", %{user: user, for: for_user})
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json(conn, account)
else
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_e ->
conn
|> put_status(404)
|> json(%{error: "Can't find user"})
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end
end
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@mastodon_api_level "2.6.5"
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def masto_instance(conn, _params) do
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instance = Config.get(:instance)
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response = %{
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uri: Web.base_url(),
title: Keyword.get(instance, :name),
description: Keyword.get(instance, :description),
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version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
email: Keyword.get(instance, :email),
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urls: %{
streaming_api: Pleroma.Web.Endpoint.websocket_url()
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},
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stats: Stats.get_stats(),
thumbnail: Web.base_url() <> "/instance/thumbnail.jpeg",
languages: ["en"],
registrations: Pleroma.Config.get([:instance, :registrations_open]),
# Extra (not present in Mastodon):
max_toot_chars: Keyword.get(instance, :limit)
}
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json(conn, response)
end
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def peers(conn, _params) do
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json(conn, Stats.get_peers())
end
defp mastodonized_emoji do
Pleroma.Emoji.get_all()
|> Enum.map(fn {shortcode, relative_url, tags} ->
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url = to_string(URI.merge(Web.base_url(), relative_url))
%{
"shortcode" => shortcode,
"static_url" => url,
"visible_in_picker" => true,
"url" => url,
"tags" => tags
}
end)
end
def custom_emojis(conn, _params) do
mastodon_emoji = mastodonized_emoji()
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json(conn, mastodon_emoji)
end
defp add_link_headers(conn, method, activities, param \\ nil, params \\ %{}) do
params =
conn.params
|> Map.drop(["since_id", "max_id", "min_id"])
|> Map.merge(params)
last = List.last(activities)
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if last do
max_id = last.id
limit =
params
|> Map.get("limit", "20")
|> String.to_integer()
min_id =
if length(activities) <= limit do
activities
|> List.first()
|> Map.get(:id)
else
activities
|> Enum.at(limit * -1)
|> Map.get(:id)
end
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{next_url, prev_url} =
if param do
{
mastodon_api_url(
Pleroma.Web.Endpoint,
method,
param,
Map.merge(params, %{max_id: max_id})
),
mastodon_api_url(
Pleroma.Web.Endpoint,
method,
param,
Map.merge(params, %{min_id: min_id})
)
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}
else
{
mastodon_api_url(
Pleroma.Web.Endpoint,
method,
Map.merge(params, %{max_id: max_id})
),
mastodon_api_url(
Pleroma.Web.Endpoint,
method,
Map.merge(params, %{min_id: min_id})
)
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}
end
conn
|> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
else
conn
end
end
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def home_timeline(%{assigns: %{user: user}} = conn, params) do
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params =
params
|> Map.put("type", ["Create", "Announce"])
|> Map.put("blocking_user", user)
|> Map.put("muting_user", user)
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|> Map.put("user", user)
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activities =
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[user.ap_id | user.following]
|> ActivityPub.fetch_activities(params)
|> ActivityPub.contain_timeline(user)
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|> Enum.reverse()
conn
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|> add_link_headers(:home_timeline, activities)
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
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end
def public_timeline(%{assigns: %{user: user}} = conn, params) do
local_only = params["local"] in [true, "True", "true", "1"]
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activities =
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params
|> Map.put("type", ["Create", "Announce"])
|> Map.put("local_only", local_only)
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|> Map.put("blocking_user", user)
|> Map.put("muting_user", user)
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|> ActivityPub.fetch_public_activities()
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|> Enum.reverse()
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conn
|> add_link_headers(:public_timeline, activities, false, %{"local" => local_only})
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
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end
def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
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with %User{} = user <- User.get_cached_by_id(params["id"]) do
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activities = ActivityPub.fetch_user_activities(user, reading_user, params)
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conn
|> add_link_headers(:user_statuses, activities, params["id"])
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|> put_view(StatusView)
|> render("index.json", %{
activities: activities,
for: reading_user,
as: :activity
})
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end
end
def dm_timeline(%{assigns: %{user: user}} = conn, params) do
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params =
params
|> Map.put("type", "Create")
|> Map.put("blocking_user", user)
|> Map.put("user", user)
|> Map.put(:visibility, "direct")
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activities =
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[user.ap_id]
|> ActivityPub.fetch_activities_query(params)
|> Pagination.fetch_paginated(params)
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conn
|> add_link_headers(:dm_timeline, activities)
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
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end
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def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
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true <- Visibility.visible_for_user?(activity, user) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user})
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end
end
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def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id(id),
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activities <-
ActivityPub.fetch_activities_for_context(activity.data["context"], %{
"blocking_user" => user,
"user" => user
}),
activities <-
activities |> Enum.filter(fn %{id: aid} -> to_string(aid) != to_string(id) end),
activities <-
activities |> Enum.filter(fn %{data: %{"type" => type}} -> type == "Create" end),
grouped_activities <- Enum.group_by(activities, fn %{id: id} -> id < activity.id end) do
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result = %{
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ancestors:
StatusView.render(
"index.json",
for: user,
activities: grouped_activities[true] || [],
as: :activity
)
|> Enum.reverse(),
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# credo:disable-for-previous-line Credo.Check.Refactor.PipeChainStart
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descendants:
StatusView.render(
"index.json",
for: user,
activities: grouped_activities[false] || [],
as: :activity
)
|> Enum.reverse()
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# credo:disable-for-previous-line Credo.Check.Refactor.PipeChainStart
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}
json(conn, result)
end
end
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def scheduled_statuses(%{assigns: %{user: user}} = conn, params) do
with scheduled_activities <- MastodonAPI.get_scheduled_activities(user, params) do
conn
|> add_link_headers(:scheduled_statuses, scheduled_activities)
|> put_view(ScheduledActivityView)
|> render("index.json", %{scheduled_activities: scheduled_activities})
end
end
def show_scheduled_status(%{assigns: %{user: user}} = conn, %{"id" => scheduled_activity_id}) do
with %ScheduledActivity{} = scheduled_activity <-
ScheduledActivity.get(user, scheduled_activity_id) do
conn
|> put_view(ScheduledActivityView)
|> render("show.json", %{scheduled_activity: scheduled_activity})
else
_ -> {:error, :not_found}
end
end
def update_scheduled_status(
%{assigns: %{user: user}} = conn,
%{"id" => scheduled_activity_id} = params
) do
with %ScheduledActivity{} = scheduled_activity <-
ScheduledActivity.get(user, scheduled_activity_id),
{:ok, scheduled_activity} <- ScheduledActivity.update(scheduled_activity, params) do
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conn
|> put_view(ScheduledActivityView)
|> render("show.json", %{scheduled_activity: scheduled_activity})
else
nil -> {:error, :not_found}
error -> error
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end
end
def delete_scheduled_status(%{assigns: %{user: user}} = conn, %{"id" => scheduled_activity_id}) do
with %ScheduledActivity{} = scheduled_activity <-
ScheduledActivity.get(user, scheduled_activity_id),
{:ok, scheduled_activity} <- ScheduledActivity.delete(scheduled_activity) do
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conn
|> put_view(ScheduledActivityView)
|> render("show.json", %{scheduled_activity: scheduled_activity})
else
nil -> {:error, :not_found}
error -> error
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end
end
def post_status(conn, %{"status" => "", "media_ids" => media_ids} = params)
when length(media_ids) > 0 do
params =
params
|> Map.put("status", ".")
post_status(conn, params)
end
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def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
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params =
params
|> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
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idempotency_key =
case get_req_header(conn, "idempotency-key") do
[key] -> key
_ -> Ecto.UUID.generate()
end
scheduled_at = params["scheduled_at"]
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if scheduled_at && ScheduledActivity.far_enough?(scheduled_at) do
with {:ok, scheduled_activity} <-
ScheduledActivity.create(user, %{"params" => params, "scheduled_at" => scheduled_at}) do
conn
|> put_view(ScheduledActivityView)
|> render("show.json", %{scheduled_activity: scheduled_activity})
end
else
params = Map.drop(params, ["scheduled_at"])
{:ok, activity} =
Cachex.fetch!(:idempotency_cache, idempotency_key, fn _ ->
CommonAPI.post(user, params)
end)
conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
end
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end
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def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
json(conn, %{})
else
_e ->
conn
|> put_status(403)
|> json(%{error: "Can't delete this post"})
end
end
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def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, announce, _activity} <- CommonAPI.repeat(ap_id_or_id, user),
%Activity{} = announce <- Activity.normalize(announce.data) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: announce, for: user, as: :activity})
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end
end
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def unreblog_status(%{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
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
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end
end
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def fav_status(%{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
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
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end
end
def unfav_status(%{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
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
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end
end
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def pin_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, activity} <- CommonAPI.pin(ap_id_or_id, user) do
conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
end
end
def unpin_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, activity} <- CommonAPI.unpin(ap_id_or_id, user) do
conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
end
end
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def bookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
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%User{} = user <- User.get_cached_by_nickname(user.nickname),
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true <- Visibility.visible_for_user?(activity, user),
{:ok, _bookmark} <- Bookmark.create(user.id, activity.id) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
end
end
def unbookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
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with %Activity{} = activity <- Activity.get_by_id_with_object(id),
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%User{} = user <- User.get_cached_by_nickname(user.nickname),
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true <- Visibility.visible_for_user?(activity, user),
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{:ok, _bookmark} <- Bookmark.destroy(user.id, activity.id) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
end
end
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def mute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
activity = Activity.get_by_id(id)
with {:ok, activity} <- CommonAPI.add_mute(user, activity) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
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end
end
def unmute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
activity = Activity.get_by_id(id)
with {:ok, activity} <- CommonAPI.remove_mute(user, activity) do
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conn
|> put_view(StatusView)
|> try_render("status.json", %{activity: activity, for: user, as: :activity})
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end
end
def notifications(%{assigns: %{user: user}} = conn, params) do
notifications = MastodonAPI.get_notifications(user, params)
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conn
|> add_link_headers(:notifications, notifications)
|> put_view(NotificationView)
|> render("index.json", %{notifications: notifications, for: user})
end
def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
with {:ok, notification} <- Notification.get(user, id) do
conn
|> put_view(NotificationView)
|> render("show.json", %{notification: notification, for: user})
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => reason}))
end
end
def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
Notification.clear(user)
json(conn, %{})
end
def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
with {:ok, _notif} <- Notification.dismiss(user, id) do
json(conn, %{})
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => reason}))
end
end
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def destroy_multiple(%{assigns: %{user: user}} = conn, %{"ids" => ids} = _params) do
Notification.destroy_multiple(user, ids)
json(conn, %{})
end
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def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
id = List.wrap(id)
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q = from(u in User, where: u.id in ^id)
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targets = Repo.all(q)
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conn
|> put_view(AccountView)
|> render("relationships.json", %{user: user, targets: targets})
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end
# Instead of returning a 400 when no "id" params is present, Mastodon returns an empty array.
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def relationships(%{assigns: %{user: _user}} = conn, _), do: json(conn, [])
def update_media(%{assigns: %{user: user}} = conn, data) do
with %Object{} = object <- Repo.get(Object, data["id"]),
true <- Object.authorize_mutation(object, user),
true <- is_binary(data["description"]),
description <- data["description"] do
new_data = %{object.data | "name" => description}
{:ok, _} =
object
|> Object.change(%{data: new_data})
|> Repo.update()
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attachment_data = Map.put(new_data, "id", object.id)
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conn
|> put_view(StatusView)
|> render("attachment.json", %{attachment: attachment_data})
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end
end
def upload(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do
with {:ok, object} <-
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ActivityPub.upload(
file,
actor: User.ap_id(user),
description: Map.get(data, "description")
) do
attachment_data = Map.put(object.data, "id", object.id)
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conn
|> put_view(StatusView)
|> render("attachment.json", %{attachment: attachment_data})
end
end
def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
%Object{data: %{"likes" => likes}} <- Object.normalize(object) do
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q = from(u in User, where: u.ap_id in ^likes)
users = Repo.all(q)
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conn
|> put_view(AccountView)
|> render(AccountView, "accounts.json", %{for: user, users: users, as: :user})
else
_ -> json(conn, [])
end
end
def reblogged_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
%Object{data: %{"announcements" => announces}} <- Object.normalize(object) do
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q = from(u in User, where: u.ap_id in ^announces)
users = Repo.all(q)
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conn
|> put_view(AccountView)
|> render("accounts.json", %{for: user, users: users, as: :user})
else
_ -> json(conn, [])
end
end
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def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
local_only = params["local"] in [true, "True", "true", "1"]
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tags =
[params["tag"], params["any"]]
|> List.flatten()
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|> Enum.uniq()
|> Enum.filter(& &1)
|> Enum.map(&String.downcase(&1))
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tag_all =
params["all"] ||
[]
|> Enum.map(&String.downcase(&1))
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tag_reject =
params["none"] ||
[]
|> Enum.map(&String.downcase(&1))
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activities =
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params
|> Map.put("type", "Create")
|> Map.put("local_only", local_only)
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|> Map.put("blocking_user", user)
|> Map.put("muting_user", user)
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|> Map.put("tag", tags)
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|> Map.put("tag_all", tag_all)
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|> Map.put("tag_reject", tag_reject)
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|> ActivityPub.fetch_public_activities()
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|> Enum.reverse()
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conn
|> add_link_headers(:hashtag_timeline, activities, params["tag"], %{"local" => local_only})
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
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end
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def followers(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
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with %User{} = user <- User.get_cached_by_id(id),
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followers <- MastodonAPI.get_followers(user, params) do
followers =
cond do
for_user && user.id == for_user.id -> followers
user.info.hide_followers -> []
true -> followers
end
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conn
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|> add_link_headers(:followers, followers, user)
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|> put_view(AccountView)
|> render("accounts.json", %{for: for_user, users: followers, as: :user})
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end
end
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def following(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
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with %User{} = user <- User.get_cached_by_id(id),
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followers <- MastodonAPI.get_friends(user, params) do
followers =
cond do
for_user && user.id == for_user.id -> followers
user.info.hide_follows -> []
true -> followers
end
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conn
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|> add_link_headers(:following, followers, user)
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|> put_view(AccountView)
|> render("accounts.json", %{for: for_user, users: followers, as: :user})
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end
end
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def follow_requests(%{assigns: %{user: followed}} = conn, _params) do
with {:ok, follow_requests} <- User.get_follow_requests(followed) do
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conn
|> put_view(AccountView)
|> render("accounts.json", %{for: followed, users: follow_requests, as: :user})
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end
end
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def authorize_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
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with %User{} = follower <- User.get_cached_by_id(id),
{:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: followed, target: follower})
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else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
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def reject_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
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with %User{} = follower <- User.get_cached_by_id(id),
{:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: followed, target: follower})
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else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
2018-05-26 16:16:20 +00:00
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def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
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with {_, %User{} = followed} <- {:followed, User.get_cached_by_id(id)},
{_, true} <- {:followed, follower.id != followed.id},
{:ok, follower} <- MastodonAPI.follow(follower, followed, conn.params) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: follower, target: followed})
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else
{:followed, _} ->
{:error, :not_found}
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{:error, message} ->
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conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => message}))
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end
end
def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
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with {_, %User{} = followed} <- {:followed, User.get_cached_by_nickname(uri)},
{_, true} <- {:followed, follower.id != followed.id},
{:ok, follower, followed, _} <- CommonAPI.follow(follower, followed) do
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conn
|> put_view(AccountView)
|> render("account.json", %{user: followed, for: follower})
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else
{:followed, _} ->
{:error, :not_found}
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{:error, message} ->
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conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => message}))
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end
end
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def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
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with {_, %User{} = followed} <- {:followed, User.get_cached_by_id(id)},
{_, true} <- {:followed, follower.id != followed.id},
{:ok, follower} <- CommonAPI.unfollow(follower, followed) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: follower, target: followed})
else
{:followed, _} ->
{:error, :not_found}
error ->
error
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end
end
def mute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
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with %User{} = muted <- User.get_cached_by_id(id),
{:ok, muter} <- User.mute(muter, muted) do
conn
|> put_view(AccountView)
|> render("relationship.json", %{user: muter, target: muted})
else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
def unmute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
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with %User{} = muted <- User.get_cached_by_id(id),
{:ok, muter} <- User.unmute(muter, muted) do
conn
|> put_view(AccountView)
|> render("relationship.json", %{user: muter, target: muted})
else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
def mutes(%{assigns: %{user: user}} = conn, _) do
with muted_accounts <- User.muted_users(user) do
res = AccountView.render("accounts.json", users: muted_accounts, for: user, as: :user)
json(conn, res)
end
end
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def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
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with %User{} = blocked <- User.get_cached_by_id(id),
{:ok, blocker} <- User.block(blocker, blocked),
{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: blocker, target: blocked})
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else
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{:error, message} ->
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conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => message}))
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end
end
def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
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with %User{} = blocked <- User.get_cached_by_id(id),
{:ok, blocker} <- User.unblock(blocker, blocked),
{:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: blocker, target: blocked})
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else
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{:error, message} ->
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conn
|> put_resp_content_type("application/json")
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|> send_resp(403, Jason.encode!(%{"error" => message}))
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end
end
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def blocks(%{assigns: %{user: user}} = conn, _) do
with blocked_accounts <- User.blocked_users(user) do
res = AccountView.render("accounts.json", users: blocked_accounts, for: user, as: :user)
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json(conn, res)
end
end
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def domain_blocks(%{assigns: %{user: %{info: info}}} = conn, _) do
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json(conn, info.domain_blocks || [])
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end
def block_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
User.block_domain(blocker, domain)
json(conn, %{})
end
def unblock_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
User.unblock_domain(blocker, domain)
json(conn, %{})
end
def subscribe(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %User{} = subscription_target <- User.get_cached_by_id(id),
{:ok, subscription_target} = User.subscribe(user, subscription_target) do
conn
|> put_view(AccountView)
|> render("relationship.json", %{user: user, target: subscription_target})
else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
def unsubscribe(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %User{} = subscription_target <- User.get_cached_by_id(id),
{:ok, subscription_target} = User.unsubscribe(user, subscription_target) do
conn
|> put_view(AccountView)
|> render("relationship.json", %{user: user, target: subscription_target})
else
{:error, message} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Jason.encode!(%{"error" => message}))
end
end
def status_search(user, query) do
fetched =
if Regex.match?(~r/https?:/, query) do
with {:ok, object} <- Fetcher.fetch_object_from_id(query),
%Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]),
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true <- Visibility.visible_for_user?(activity, user) do
[activity]
else
_e -> []
end
end || []
q =
from(
[a, o] in Activity.with_preloaded_object(Activity),
where: fragment("?->>'type' = 'Create'", a.data),
where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
where:
fragment(
"to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
o.data,
^query
),
limit: 20,
order_by: [desc: :id]
)
Repo.all(q) ++ fetched
end
def search2(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
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accounts = User.search(query, resolve: params["resolve"] == "true", for_user: user)
statuses = status_search(user, query)
tags_path = Web.base_url() <> "/tag/"
tags =
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query
|> String.split()
|> Enum.uniq()
|> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
|> Enum.map(fn tag -> String.slice(tag, 1..-1) end)
|> Enum.map(fn tag -> %{name: tag, url: tags_path <> tag} end)
res = %{
"accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
"statuses" =>
StatusView.render("index.json", activities: statuses, for: user, as: :activity),
"hashtags" => tags
}
json(conn, res)
end
def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
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accounts = User.search(query, resolve: params["resolve"] == "true", for_user: user)
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statuses = status_search(user, query)
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tags =
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query
|> String.split()
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|> Enum.uniq()
|> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
|> Enum.map(fn tag -> String.slice(tag, 1..-1) end)
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res = %{
"accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
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"statuses" =>
StatusView.render("index.json", activities: statuses, for: user, as: :activity),
"hashtags" => tags
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}
json(conn, res)
end
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def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
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accounts = User.search(query, resolve: params["resolve"] == "true", for_user: user)
res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
json(conn, res)
end
def favourites(%{assigns: %{user: user}} = conn, params) do
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params =
params
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|> Map.put("type", "Create")
|> Map.put("favorited_by", user.ap_id)
|> Map.put("blocking_user", user)
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activities =
ActivityPub.fetch_activities([], params)
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|> Enum.reverse()
conn
|> add_link_headers(:favourites, activities)
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
end
def user_favourites(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
with %User{} = user <- User.get_by_id(id),
false <- user.info.hide_favorites do
params =
params
|> Map.put("type", "Create")
|> Map.put("favorited_by", user.ap_id)
|> Map.put("blocking_user", for_user)
recipients =
if for_user do
["https://www.w3.org/ns/activitystreams#Public"] ++
[for_user.ap_id | for_user.following]
else
["https://www.w3.org/ns/activitystreams#Public"]
end
activities =
recipients
|> ActivityPub.fetch_activities(params)
|> Enum.reverse()
conn
|> add_link_headers(:favourites, activities)
|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: for_user, as: :activity})
else
nil ->
{:error, :not_found}
true ->
conn
|> put_status(403)
|> json(%{error: "Can't get favorites"})
end
end
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def bookmarks(%{assigns: %{user: user}} = conn, params) do
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user = User.get_cached_by_id(user.id)
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bookmarks =
Bookmark.for_user_query(user.id)
|> Pagination.fetch_paginated(params)
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activities =
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bookmarks
|> Enum.map(fn b -> Map.put(b.activity, :bookmark, Map.delete(b, :activity)) end)
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conn
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|> add_link_headers(:bookmarks, bookmarks)
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
end
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def get_lists(%{assigns: %{user: user}} = conn, opts) do
lists = Pleroma.List.for_user(user, opts)
res = ListView.render("lists.json", lists: lists)
json(conn, res)
end
def get_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user) do
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res = ListView.render("list.json", list: list)
json(conn, res)
else
_e ->
conn
|> put_status(404)
|> json(%{error: "Record not found"})
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end
end
def account_lists(%{assigns: %{user: user}} = conn, %{"id" => account_id}) do
lists = Pleroma.List.get_lists_account_belongs(user, account_id)
res = ListView.render("lists.json", lists: lists)
json(conn, res)
end
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def delete_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
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{:ok, _list} <- Pleroma.List.delete(list) do
json(conn, %{})
else
_e ->
json(conn, "error")
end
end
def create_list(%{assigns: %{user: user}} = conn, %{"title" => title}) do
with {:ok, %Pleroma.List{} = list} <- Pleroma.List.create(title, user) do
res = ListView.render("list.json", list: list)
json(conn, res)
end
end
def add_to_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
accounts
|> Enum.each(fn account_id ->
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
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%User{} = followed <- User.get_cached_by_id(account_id) do
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Pleroma.List.follow(list, followed)
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end
end)
json(conn, %{})
end
def remove_from_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
accounts
|> Enum.each(fn account_id ->
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
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%User{} = followed <- Pleroma.User.get_cached_by_id(account_id) do
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Pleroma.List.unfollow(list, followed)
end
end)
json(conn, %{})
end
def list_accounts(%{assigns: %{user: user}} = conn, %{"id" => id}) do
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
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{:ok, users} = Pleroma.List.get_following(list) do
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conn
|> put_view(AccountView)
|> render("accounts.json", %{for: user, users: users, as: :user})
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end
end
def rename_list(%{assigns: %{user: user}} = conn, %{"id" => id, "title" => title}) do
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with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
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{:ok, list} <- Pleroma.List.rename(list, title) do
res = ListView.render("list.json", list: list)
json(conn, res)
else
_e ->
json(conn, "error")
end
end
def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
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with %Pleroma.List{title: _title, following: following} <- Pleroma.List.get(id, user) do
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params =
params
|> Map.put("type", "Create")
|> Map.put("blocking_user", user)
|> Map.put("muting_user", user)
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# we must filter the following list for the user to avoid leaking statuses the user
# does not actually have permission to see (for more info, peruse security issue #270).
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activities =
following
|> Enum.filter(fn x -> x in user.following end)
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|> ActivityPub.fetch_activities_bounded(following, params)
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|> Enum.reverse()
conn
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|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
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else
_e ->
conn
|> put_status(403)
|> json(%{error: "Error."})
end
end
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def index(%{assigns: %{user: user}} = conn, _params) do
token = get_session(conn, :oauth_token)
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if user && token do
mastodon_emoji = mastodonized_emoji()
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limit = Config.get([:instance, :limit])
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accounts =
Map.put(%{}, user.id, AccountView.render("account.json", %{user: user, for: user}))
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flavour = get_user_flavour(user)
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initial_state =
%{
meta: %{
streaming_api_base_url: Pleroma.Web.Endpoint.websocket_url(),
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access_token: token,
locale: "en",
domain: Pleroma.Web.Endpoint.host(),
admin: "1",
me: "#{user.id}",
unfollow_modal: false,
boost_modal: false,
delete_modal: true,
auto_play_gif: false,
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display_sensitive_media: false,
reduce_motion: false,
max_toot_chars: limit,
mascot: "/images/pleroma-fox-tan-smol.png"
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},
rights: %{
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delete_others_notice: present?(user.info.is_moderator),
admin: present?(user.info.is_admin)
},
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compose: %{
me: "#{user.id}",
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default_privacy: user.info.default_scope,
default_sensitive: false,
allow_content_types: Config.get([:instance, :allowed_post_formats])
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},
media_attachments: %{
accept_content_types: [
".jpg",
".jpeg",
".png",
".gif",
".webm",
".mp4",
".m4v",
"image\/jpeg",
"image\/png",
"image\/gif",
"video\/webm",
"video\/mp4"
]
},
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settings:
user.info.settings ||
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%{
onboarded: true,
home: %{
shows: %{
reblog: true,
reply: true
}
},
notifications: %{
alerts: %{
follow: true,
favourite: true,
reblog: true,
mention: true
},
shows: %{
follow: true,
favourite: true,
reblog: true,
mention: true
},
sounds: %{
follow: true,
favourite: true,
reblog: true,
mention: true
}
}
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},
push_subscription: nil,
accounts: accounts,
custom_emojis: mastodon_emoji,
char_limit: limit
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}
|> Jason.encode!()
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conn
|> put_layout(false)
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|> put_view(MastodonView)
|> render("index.html", %{initial_state: initial_state, flavour: flavour})
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else
conn
|> put_session(:return_to, conn.request_path)
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|> redirect(to: "/web/login")
end
end
def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
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info_cng = User.Info.mastodon_settings_update(user.info, settings)
with changeset <- Ecto.Changeset.change(user),
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changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
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{:ok, _user} <- User.update_and_set_cache(changeset) do
json(conn, %{})
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else
e ->
conn
|> put_resp_content_type("application/json")
|> send_resp(500, Jason.encode!(%{"error" => inspect(e)}))
end
end
@supported_flavours ["glitch", "vanilla"]
def set_flavour(%{assigns: %{user: user}} = conn, %{"flavour" => flavour} = _params)
when flavour in @supported_flavours do
flavour_cng = User.Info.mastodon_flavour_update(user.info, flavour)
with changeset <- Ecto.Changeset.change(user),
changeset <- Ecto.Changeset.put_embed(changeset, :info, flavour_cng),
{:ok, user} <- User.update_and_set_cache(changeset),
flavour <- user.info.flavour do
json(conn, flavour)
else
e ->
conn
|> put_resp_content_type("application/json")
|> send_resp(500, Jason.encode!(%{"error" => inspect(e)}))
end
end
def set_flavour(conn, _params) do
conn
|> put_status(400)
|> json(%{error: "Unsupported flavour"})
end
def get_flavour(%{assigns: %{user: user}} = conn, _params) do
json(conn, get_user_flavour(user))
end
defp get_user_flavour(%User{info: %{flavour: flavour}}) when flavour in @supported_flavours do
flavour
end
defp get_user_flavour(_) do
"glitch"
end
def login(%{assigns: %{user: %User{}}} = conn, _params) do
redirect(conn, to: local_mastodon_root_path(conn))
end
@doc "Local Mastodon FE login init action"
def login(conn, %{"code" => auth_token}) do
with {:ok, app} <- get_or_make_app(),
%Authorization{} = auth <- Repo.get_by(Authorization, token: auth_token, app_id: app.id),
{:ok, token} <- Token.exchange_token(app, auth) do
conn
|> put_session(:oauth_token, token.token)
|> redirect(to: local_mastodon_root_path(conn))
end
end
@doc "Local Mastodon FE callback action"
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def login(conn, _) do
with {:ok, app} <- get_or_make_app() do
path =
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o_auth_path(
conn,
:authorize,
response_type: "code",
client_id: app.client_id,
redirect_uri: ".",
scope: Enum.join(app.scopes, " ")
)
redirect(conn, to: path)
end
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end
defp local_mastodon_root_path(conn) do
case get_session(conn, :return_to) do
nil ->
mastodon_api_path(conn, :index, ["getting-started"])
return_to ->
delete_session(conn, :return_to)
return_to
end
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end
defp get_or_make_app do
find_attrs = %{client_name: @local_mastodon_name, redirect_uris: "."}
scopes = ["read", "write", "follow", "push"]
with %App{} = app <- Repo.get_by(App, find_attrs) do
{:ok, app} =
if app.scopes == scopes do
{:ok, app}
else
app
|> Ecto.Changeset.change(%{scopes: scopes})
|> Repo.update()
end
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{:ok, app}
else
_e ->
cs =
App.register_changeset(
%App{},
Map.put(find_attrs, :scopes, scopes)
)
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Repo.insert(cs)
end
end
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def logout(conn, _) do
conn
|> clear_session
|> redirect(to: "/")
end
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def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
Logger.debug("Unimplemented, returning unmodified relationship")
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with %User{} = target <- User.get_cached_by_id(id) do
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conn
|> put_view(AccountView)
|> render("relationship.json", %{user: user, target: target})
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end
end
def empty_array(conn, _) do
Logger.debug("Unimplemented, returning an empty array")
json(conn, [])
end
def empty_object(conn, _) do
Logger.debug("Unimplemented, returning an empty object")
json(conn, %{})
end
def get_filters(%{assigns: %{user: user}} = conn, _) do
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filters = Filter.get_filters(user)
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res = FilterView.render("filters.json", filters: filters)
json(conn, res)
end
def create_filter(
%{assigns: %{user: user}} = conn,
%{"phrase" => phrase, "context" => context} = params
) do
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query = %Filter{
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user_id: user.id,
phrase: phrase,
context: context,
hide: Map.get(params, "irreversible", nil),
whole_word: Map.get(params, "boolean", true)
# expires_at
}
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{:ok, response} = Filter.create(query)
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res = FilterView.render("filter.json", filter: response)
json(conn, res)
end
def get_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
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filter = Filter.get(filter_id, user)
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res = FilterView.render("filter.json", filter: filter)
json(conn, res)
end
def update_filter(
%{assigns: %{user: user}} = conn,
%{"phrase" => phrase, "context" => context, "id" => filter_id} = params
) do
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query = %Filter{
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user_id: user.id,
filter_id: filter_id,
phrase: phrase,
context: context,
hide: Map.get(params, "irreversible", nil),
whole_word: Map.get(params, "boolean", true)
# expires_at
}
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{:ok, response} = Filter.update(query)
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res = FilterView.render("filter.json", filter: response)
json(conn, res)
end
def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
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query = %Filter{
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user_id: user.id,
filter_id: filter_id
}
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{:ok, _} = Filter.delete(query)
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json(conn, %{})
end
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# fallback action
#
def errors(conn, {:error, %Changeset{} = changeset}) do
error_message =
changeset
|> Changeset.traverse_errors(fn {message, _opt} -> message end)
|> Enum.map_join(", ", fn {_k, v} -> v end)
conn
|> put_status(422)
|> json(%{error: error_message})
end
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def errors(conn, {:error, :not_found}) do
conn
|> put_status(404)
|> json(%{error: "Record not found"})
end
def errors(conn, _) do
conn
|> put_status(500)
|> json("Something went wrong")
end
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def suggestions(%{assigns: %{user: user}} = conn, _) do
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suggestions = Config.get(:suggestions)
if Keyword.get(suggestions, :enabled, false) do
api = Keyword.get(suggestions, :third_party_engine, "")
timeout = Keyword.get(suggestions, :timeout, 5000)
limit = Keyword.get(suggestions, :limit, 23)
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host = Config.get([Pleroma.Web.Endpoint, :url, :host])
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user = user.nickname
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url =
api
|> String.replace("{{host}}", host)
|> String.replace("{{user}}", user)
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with {:ok, %{status: 200, body: body}} <-
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@httpoison.get(
url,
[],
adapter: [
recv_timeout: timeout,
pool: :default
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]
),
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{:ok, data} <- Jason.decode(body) do
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data =
data
|> Enum.slice(0, limit)
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|> Enum.map(fn x ->
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Map.put(
x,
"id",
case User.get_or_fetch(x["acct"]) do
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{:ok, %User{id: id}} -> id
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_ -> 0
end
)
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end)
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|> Enum.map(fn x ->
Map.put(x, "avatar", MediaProxy.url(x["avatar"]))
end)
|> Enum.map(fn x ->
Map.put(x, "avatar_static", MediaProxy.url(x["avatar_static"]))
end)
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conn
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|> json(data)
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else
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e -> Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
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end
else
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json(conn, [])
end
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end
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def status_card(%{assigns: %{user: user}} = conn, %{"id" => status_id}) do
with %Activity{} = activity <- Activity.get_by_id(status_id),
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true <- Visibility.visible_for_user?(activity, user) do
data =
StatusView.render(
"card.json",
Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
)
json(conn, data)
else
_e ->
%{}
end
end
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def reports(%{assigns: %{user: user}} = conn, params) do
case CommonAPI.report(user, params) do
{:ok, activity} ->
conn
|> put_view(ReportView)
|> try_render("report.json", %{activity: activity})
{:error, err} ->
conn
|> put_status(:bad_request)
|> json(%{error: err})
end
end
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def conversations(%{assigns: %{user: user}} = conn, params) do
participations = Participation.for_user_with_last_activity_id(user, params)
conversations =
Enum.map(participations, fn participation ->
ConversationView.render("participation.json", %{participation: participation, user: user})
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end)
conn
|> add_link_headers(:conversations, participations)
|> json(conversations)
end
def conversation_read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
with %Participation{} = participation <-
Repo.get_by(Participation, id: participation_id, user_id: user.id),
{:ok, participation} <- Participation.mark_as_read(participation) do
participation_view =
ConversationView.render("participation.json", %{participation: participation, user: user})
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conn
|> json(participation_view)
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end
end
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def try_render(conn, target, params)
when is_binary(target) do
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res = render(conn, target, params)
if res == nil do
conn
|> put_status(501)
|> json(%{error: "Can't display this activity"})
else
res
end
end
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def try_render(conn, _, _) do
conn
|> put_status(501)
|> json(%{error: "Can't display this activity"})
end
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defp present?(nil), do: false
defp present?(false), do: false
defp present?(_), do: true
end