1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.CommonAPI do
7 alias Pleroma.ActivityExpiration
8 alias Pleroma.Conversation.Participation
10 alias Pleroma.ThreadMute
12 alias Pleroma.Web.ActivityPub.ActivityPub
13 alias Pleroma.Web.ActivityPub.Utils
14 alias Pleroma.Web.ActivityPub.Visibility
16 import Pleroma.Web.Gettext
17 import Pleroma.Web.CommonAPI.Utils
19 require Pleroma.Constants
21 def follow(follower, followed) do
22 timeout = Pleroma.Config.get([:activitypub, :follow_handshake_timeout])
24 with {:ok, follower} <- User.maybe_direct_follow(follower, followed),
25 {:ok, activity} <- ActivityPub.follow(follower, followed),
26 {:ok, follower, followed} <- User.wait_and_refresh(timeout, follower, followed) do
27 {:ok, follower, followed, activity}
31 def unfollow(follower, unfollowed) do
32 with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
33 {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed),
34 {:ok, _unfollowed} <- User.unsubscribe(follower, unfollowed) do
39 def accept_follow_request(follower, followed) do
40 with {:ok, follower} <- User.follow(follower, followed),
41 %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
42 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
47 object: follow_activity.data["id"],
54 def reject_follow_request(follower, followed) do
55 with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
56 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
61 object: follow_activity.data["id"],
68 def delete(activity_id, user) do
69 with %Activity{data: %{"object" => _}} = activity <-
70 Activity.get_by_id_with_object(activity_id),
71 %Object{} = object <- Object.normalize(activity),
72 true <- User.superuser?(user) || user.ap_id == object.data["actor"],
73 {:ok, _} <- unpin(activity_id, user),
74 {:ok, delete} <- ActivityPub.delete(object) do
77 _ -> {:error, dgettext("errors", "Could not delete")}
81 def repeat(id_or_ap_id, user, params \\ %{}) do
82 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
83 object <- Object.normalize(activity),
84 nil <- Utils.get_existing_announce(user.ap_id, object),
85 public <- public_announce?(object, params) do
86 ActivityPub.announce(user, object, nil, true, public)
88 _ -> {:error, dgettext("errors", "Could not repeat")}
92 def unrepeat(id_or_ap_id, user) do
93 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id) do
94 object = Object.normalize(activity)
95 ActivityPub.unannounce(user, object)
97 _ -> {:error, dgettext("errors", "Could not unrepeat")}
101 def favorite(id_or_ap_id, user) do
102 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
103 object <- Object.normalize(activity),
104 nil <- Utils.get_existing_like(user.ap_id, object) do
105 ActivityPub.like(user, object)
107 _ -> {:error, dgettext("errors", "Could not favorite")}
111 def unfavorite(id_or_ap_id, user) do
112 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id) do
113 object = Object.normalize(activity)
114 ActivityPub.unlike(user, object)
116 _ -> {:error, dgettext("errors", "Could not unfavorite")}
120 def vote(user, %{data: %{"type" => "Question"}} = object, choices) do
121 with :ok <- validate_not_author(object, user),
122 :ok <- validate_existing_votes(user, object),
123 {:ok, options, choices} <- normalize_and_validate_choices(choices, object) do
125 Enum.map(choices, fn index ->
126 answer_data = make_answer_data(user, object, Enum.at(options, index)["name"])
129 ActivityPub.create(%{
130 to: answer_data["to"],
132 context: object.data["context"],
134 additional: %{"cc" => answer_data["cc"]}
140 object = Object.get_cached_by_ap_id(object.data["id"])
141 {:ok, answer_activities, object}
145 defp validate_not_author(%{data: %{"actor" => ap_id}}, %{ap_id: ap_id}),
146 do: {:error, dgettext("errors", "Poll's author can't vote")}
148 defp validate_not_author(_, _), do: :ok
150 defp validate_existing_votes(%{ap_id: ap_id}, object) do
151 if Utils.get_existing_votes(ap_id, object) == [] do
154 {:error, dgettext("errors", "Already voted")}
158 defp get_options_and_max_count(%{data: %{"anyOf" => any_of}}), do: {any_of, Enum.count(any_of)}
159 defp get_options_and_max_count(%{data: %{"oneOf" => one_of}}), do: {one_of, 1}
161 defp normalize_and_validate_choices(choices, object) do
162 choices = Enum.map(choices, fn i -> if is_binary(i), do: String.to_integer(i), else: i end)
163 {options, max_count} = get_options_and_max_count(object)
164 count = Enum.count(options)
166 with {_, true} <- {:valid_choice, Enum.all?(choices, &(&1 < count))},
167 {_, true} <- {:count_check, Enum.count(choices) <= max_count} do
168 {:ok, options, choices}
170 {:valid_choice, _} -> {:error, dgettext("errors", "Invalid indices")}
171 {:count_check, _} -> {:error, dgettext("errors", "Too many choices")}
175 def public_announce?(_, %{"visibility" => visibility})
176 when visibility in ~w{public unlisted private direct},
177 do: visibility in ~w(public unlisted)
179 def public_announce?(object, _) do
180 Visibility.is_public?(object)
183 def get_visibility(_, _, %Participation{}), do: {"direct", "direct"}
185 def get_visibility(%{"visibility" => visibility}, in_reply_to, _)
186 when visibility in ~w{public unlisted private direct},
187 do: {visibility, get_replied_to_visibility(in_reply_to)}
189 def get_visibility(%{"visibility" => "list:" <> list_id}, in_reply_to, _) do
190 visibility = {:list, String.to_integer(list_id)}
191 {visibility, get_replied_to_visibility(in_reply_to)}
194 def get_visibility(_, in_reply_to, _) when not is_nil(in_reply_to) do
195 visibility = get_replied_to_visibility(in_reply_to)
196 {visibility, visibility}
199 def get_visibility(_, in_reply_to, _), do: {"public", get_replied_to_visibility(in_reply_to)}
201 def get_replied_to_visibility(nil), do: nil
203 def get_replied_to_visibility(activity) do
204 with %Object{} = object <- Object.normalize(activity) do
205 Visibility.get_visibility(object)
209 def check_expiry_date({:ok, nil} = res), do: res
211 def check_expiry_date({:ok, in_seconds}) do
212 expiry = NaiveDateTime.utc_now() |> NaiveDateTime.add(in_seconds)
214 if ActivityExpiration.expires_late_enough?(expiry) do
217 {:error, "Expiry date is too soon"}
221 def check_expiry_date(expiry_str) do
222 Ecto.Type.cast(:integer, expiry_str)
223 |> check_expiry_date()
226 def listen(user, %{"title" => _} = data) do
227 with visibility <- data["visibility"] || "public",
228 {to, cc} <- get_to_and_cc(user, [], nil, visibility, nil),
230 Map.take(data, ["album", "artist", "title", "length"])
231 |> Map.put("type", "Audio")
234 |> Map.put("actor", user.ap_id),
236 ActivityPub.listen(%{
240 context: Utils.generate_context_id(),
241 additional: %{"cc" => cc}
247 def post(user, %{"status" => _} = data) do
248 with {:ok, draft} <- Pleroma.Web.CommonAPI.ActivityDraft.create(user, data) do
250 |> ActivityPub.create(draft.preview?)
251 |> maybe_create_activity_expiration(draft.expires_at)
255 defp maybe_create_activity_expiration({:ok, activity}, %NaiveDateTime{} = expires_at) do
256 with {:ok, _} <- ActivityExpiration.create(activity, expires_at) do
261 defp maybe_create_activity_expiration(result, _), do: result
263 # Updates the emojis for a user based on their profile
265 emoji = emoji_from_profile(user)
266 source_data = user.info |> Map.get(:source_data, %{}) |> Map.put("tag", emoji)
269 case User.update_info(user, &User.Info.set_source_data(&1, source_data)) do
274 ActivityPub.update(%{
276 to: [Pleroma.Constants.as_public(), user.follower_address],
279 object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
283 def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
286 data: %{"type" => "Create"},
287 object: %Object{data: %{"type" => "Note"}}
288 } = activity <- get_by_id_or_ap_id(id_or_ap_id),
289 true <- Visibility.is_public?(activity),
290 {:ok, _user} <- User.update_info(user, &User.Info.add_pinnned_activity(&1, activity)) do
293 {:error, %{changes: %{info: %{errors: [pinned_activities: {err, _}]}}}} -> {:error, err}
294 _ -> {:error, dgettext("errors", "Could not pin")}
298 def unpin(id_or_ap_id, user) do
299 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
300 {:ok, _user} <- User.update_info(user, &User.Info.remove_pinnned_activity(&1, activity)) do
303 %{errors: [pinned_activities: {err, _}]} -> {:error, err}
304 _ -> {:error, dgettext("errors", "Could not unpin")}
308 def add_mute(user, activity) do
309 with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]) do
312 {:error, _} -> {:error, dgettext("errors", "conversation is already muted")}
316 def remove_mute(user, activity) do
317 ThreadMute.remove_mute(user.id, activity.data["context"])
321 def thread_muted?(%{id: nil} = _user, _activity), do: false
323 def thread_muted?(user, activity) do
324 ThreadMute.check_muted(user.id, activity.data["context"]) != []
327 def report(user, %{"account_id" => account_id} = data) do
328 with {:ok, account} <- get_reported_account(account_id),
329 {:ok, {content_html, _, _}} <- make_report_content_html(data["comment"]),
330 {:ok, statuses} <- get_report_statuses(account, data) do
332 context: Utils.generate_context_id(),
336 content: content_html,
337 forward: data["forward"] || false
342 def report(_user, _params), do: {:error, dgettext("errors", "Valid `account_id` required")}
344 defp get_reported_account(account_id) do
345 case User.get_cached_by_id(account_id) do
346 %User{} = account -> {:ok, account}
347 _ -> {:error, dgettext("errors", "Account not found")}
351 def update_report_state(activity_id, state) do
352 with %Activity{} = activity <- Activity.get_by_id(activity_id) do
353 Utils.update_report_state(activity, state)
355 nil -> {:error, :not_found}
356 _ -> {:error, dgettext("errors", "Could not update state")}
360 def update_activity_scope(activity_id, opts \\ %{}) do
361 with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
362 {:ok, activity} <- toggle_sensitive(activity, opts) do
363 set_visibility(activity, opts)
365 nil -> {:error, :not_found}
366 {:error, reason} -> {:error, reason}
370 defp toggle_sensitive(activity, %{"sensitive" => sensitive}) when sensitive in ~w(true false) do
371 toggle_sensitive(activity, %{"sensitive" => String.to_existing_atom(sensitive)})
374 defp toggle_sensitive(%Activity{object: object} = activity, %{"sensitive" => sensitive})
375 when is_boolean(sensitive) do
376 new_data = Map.put(object.data, "sensitive", sensitive)
380 |> Object.change(%{data: new_data})
381 |> Object.update_and_set_cache()
383 {:ok, Map.put(activity, :object, object)}
386 defp toggle_sensitive(activity, _), do: {:ok, activity}
388 defp set_visibility(activity, %{"visibility" => visibility}) do
389 Utils.update_activity_visibility(activity, visibility)
392 defp set_visibility(activity, _), do: {:ok, activity}
394 def hide_reblogs(user, %{ap_id: ap_id} = _muted) do
395 if ap_id not in user.info.muted_reblogs do
396 User.update_info(user, &User.Info.add_reblog_mute(&1, ap_id))
400 def show_reblogs(user, %{ap_id: ap_id} = _muted) do
401 if ap_id in user.info.muted_reblogs do
402 User.update_info(user, &User.Info.remove_reblog_mute(&1, ap_id))