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 def follow(follower, followed) do
20 with {:ok, follower} <- User.maybe_direct_follow(follower, followed),
21 {:ok, activity} <- ActivityPub.follow(follower, followed),
22 {:ok, follower, followed} <-
23 User.wait_and_refresh(
24 Pleroma.Config.get([:activitypub, :follow_handshake_timeout]),
28 {:ok, follower, followed, activity}
32 def unfollow(follower, unfollowed) do
33 with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
34 {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed),
35 {:ok, _unfollowed} <- User.unsubscribe(follower, unfollowed) do
40 def accept_follow_request(follower, followed) do
41 with {:ok, follower} <- User.follow(follower, followed),
42 %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
43 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
48 object: follow_activity.data["id"],
55 def reject_follow_request(follower, followed) do
56 with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
57 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
62 object: follow_activity.data["id"],
69 def delete(activity_id, user) do
70 with %Activity{data: %{"object" => _}} = activity <-
71 Activity.get_by_id_with_object(activity_id),
72 %Object{} = object <- Object.normalize(activity),
73 true <- User.superuser?(user) || user.ap_id == object.data["actor"],
74 {:ok, _} <- unpin(activity_id, user),
75 {:ok, delete} <- ActivityPub.delete(object) do
79 {:error, dgettext("errors", "Could not delete")}
83 def repeat(id_or_ap_id, user) do
84 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
85 object <- Object.normalize(activity),
86 nil <- Utils.get_existing_announce(user.ap_id, object) do
87 ActivityPub.announce(user, object)
90 {:error, dgettext("errors", "Could not repeat")}
94 def unrepeat(id_or_ap_id, user) do
95 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
96 object <- Object.normalize(activity) do
97 ActivityPub.unannounce(user, object)
100 {:error, dgettext("errors", "Could not unrepeat")}
104 def favorite(id_or_ap_id, user) do
105 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
106 object <- Object.normalize(activity),
107 nil <- Utils.get_existing_like(user.ap_id, object) do
108 ActivityPub.like(user, object)
111 {:error, dgettext("errors", "Could not favorite")}
115 def unfavorite(id_or_ap_id, user) do
116 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
117 object <- Object.normalize(activity) do
118 ActivityPub.unlike(user, object)
121 {:error, dgettext("errors", "Could not unfavorite")}
125 def vote(user, object, choices) do
126 with "Question" <- object.data["type"],
127 {:author, false} <- {:author, object.data["actor"] == user.ap_id},
128 {:existing_votes, []} <- {:existing_votes, Utils.get_existing_votes(user.ap_id, object)},
129 {options, max_count} <- get_options_and_max_count(object),
130 option_count <- Enum.count(options),
131 {:choice_check, {choices, true}} <-
132 {:choice_check, normalize_and_validate_choice_indices(choices, option_count)},
133 {:count_check, true} <- {:count_check, Enum.count(choices) <= max_count} do
135 Enum.map(choices, fn index ->
136 answer_data = make_answer_data(user, object, Enum.at(options, index)["name"])
139 ActivityPub.create(%{
140 to: answer_data["to"],
142 context: object.data["context"],
144 additional: %{"cc" => answer_data["cc"]}
150 object = Object.get_cached_by_ap_id(object.data["id"])
151 {:ok, answer_activities, object}
153 {:author, _} -> {:error, dgettext("errors", "Poll's author can't vote")}
154 {:existing_votes, _} -> {:error, dgettext("errors", "Already voted")}
155 {:choice_check, {_, false}} -> {:error, dgettext("errors", "Invalid indices")}
156 {:count_check, false} -> {:error, dgettext("errors", "Too many choices")}
160 defp get_options_and_max_count(object) do
161 if Map.has_key?(object.data, "anyOf") do
162 {object.data["anyOf"], Enum.count(object.data["anyOf"])}
164 {object.data["oneOf"], 1}
168 defp normalize_and_validate_choice_indices(choices, count) do
169 Enum.map_reduce(choices, true, fn index, valid ->
170 index = if is_binary(index), do: String.to_integer(index), else: index
171 {index, if(valid, do: index < count, else: valid)}
175 def get_visibility(_, _, %Participation{}), do: {"direct", "direct"}
177 def get_visibility(%{"visibility" => visibility}, in_reply_to, _)
178 when visibility in ~w{public unlisted private direct},
179 do: {visibility, get_replied_to_visibility(in_reply_to)}
181 def get_visibility(%{"visibility" => "list:" <> list_id}, in_reply_to, _) do
182 visibility = {:list, String.to_integer(list_id)}
183 {visibility, get_replied_to_visibility(in_reply_to)}
186 def get_visibility(_, in_reply_to, _) when not is_nil(in_reply_to) do
187 visibility = get_replied_to_visibility(in_reply_to)
188 {visibility, visibility}
191 def get_visibility(_, in_reply_to, _), do: {"public", get_replied_to_visibility(in_reply_to)}
193 def get_replied_to_visibility(nil), do: nil
195 def get_replied_to_visibility(activity) do
196 with %Object{} = object <- Object.normalize(activity) do
197 Pleroma.Web.ActivityPub.Visibility.get_visibility(object)
201 def check_expiry_date({:ok, nil} = res), do: res
203 def check_expiry_date({:ok, in_seconds}) do
204 expiry = NaiveDateTime.utc_now() |> NaiveDateTime.add(in_seconds)
206 if ActivityExpiration.expires_late_enough?(expiry) do
209 {:error, "Expiry date is too soon"}
213 def check_expiry_date(expiry_str) do
214 Ecto.Type.cast(:integer, expiry_str)
215 |> check_expiry_date()
218 def post(user, %{"status" => _} = data) do
219 with {:ok, draft} <- Pleroma.Web.CommonAPI.ActivityDraft.create(user, data) do
221 |> ActivityPub.create(draft.preview?)
222 |> maybe_create_activity_expiration(draft.expires_at)
226 defp maybe_create_activity_expiration({:ok, activity}, %NaiveDateTime{} = expires_at) do
227 with {:ok, _} <- ActivityExpiration.create(activity, expires_at) do
232 defp maybe_create_activity_expiration(result, _), do: result
234 # Updates the emojis for a user based on their profile
236 emoji = emoji_from_profile(user)
237 source_data = user.info |> Map.get(:source_data, {}) |> Map.put("tag", emoji)
240 with {:ok, user} <- User.update_info(user, &User.Info.set_source_data(&1, source_data)) do
246 ActivityPub.update(%{
248 to: [user.follower_address],
251 object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
255 def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
266 } = activity <- get_by_id_or_ap_id(id_or_ap_id),
267 true <- Visibility.is_public?(activity),
268 {:ok, _user} <- User.update_info(user, &User.Info.add_pinnned_activity(&1, activity)) do
271 {:error, %{changes: %{info: %{errors: [pinned_activities: {err, _}]}}}} -> {:error, err}
272 _ -> {:error, dgettext("errors", "Could not pin")}
276 def unpin(id_or_ap_id, user) do
277 with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
278 {:ok, _user} <- User.update_info(user, &User.Info.remove_pinnned_activity(&1, activity)) do
281 %{errors: [pinned_activities: {err, _}]} -> {:error, err}
282 _ -> {:error, dgettext("errors", "Could not unpin")}
286 def add_mute(user, activity) do
287 with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]) do
290 {:error, _} -> {:error, dgettext("errors", "conversation is already muted")}
294 def remove_mute(user, activity) do
295 ThreadMute.remove_mute(user.id, activity.data["context"])
299 def thread_muted?(%{id: nil} = _user, _activity), do: false
301 def thread_muted?(user, activity) do
302 with [] <- ThreadMute.check_muted(user.id, activity.data["context"]) do
309 def report(user, data) do
310 with {:account_id, %{"account_id" => account_id}} <- {:account_id, data},
311 {:account, %User{} = account} <- {:account, User.get_cached_by_id(account_id)},
312 {:ok, {content_html, _, _}} <- make_report_content_html(data["comment"]),
313 {:ok, statuses} <- get_report_statuses(account, data),
316 context: Utils.generate_context_id(),
320 content: content_html,
321 forward: data["forward"] || false
325 {:error, err} -> {:error, err}
326 {:account_id, %{}} -> {:error, dgettext("errors", "Valid `account_id` required")}
327 {:account, nil} -> {:error, dgettext("errors", "Account not found")}
331 def update_report_state(activity_id, state) do
332 with %Activity{} = activity <- Activity.get_by_id(activity_id),
333 {:ok, activity} <- Utils.update_report_state(activity, state) do
336 nil -> {:error, :not_found}
337 {:error, reason} -> {:error, reason}
338 _ -> {:error, dgettext("errors", "Could not update state")}
342 def update_activity_scope(activity_id, opts \\ %{}) do
343 with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
344 {:ok, activity} <- toggle_sensitive(activity, opts),
345 {:ok, activity} <- set_visibility(activity, opts) do
348 nil -> {:error, :not_found}
349 {:error, reason} -> {:error, reason}
353 defp toggle_sensitive(activity, %{"sensitive" => sensitive}) when sensitive in ~w(true false) do
354 toggle_sensitive(activity, %{"sensitive" => String.to_existing_atom(sensitive)})
357 defp toggle_sensitive(%Activity{object: object} = activity, %{"sensitive" => sensitive})
358 when is_boolean(sensitive) do
359 new_data = Map.put(object.data, "sensitive", sensitive)
363 |> Object.change(%{data: new_data})
364 |> Object.update_and_set_cache()
366 {:ok, Map.put(activity, :object, object)}
369 defp toggle_sensitive(activity, _), do: {:ok, activity}
371 defp set_visibility(activity, %{"visibility" => visibility}) do
372 Utils.update_activity_visibility(activity, visibility)
375 defp set_visibility(activity, _), do: {:ok, activity}
377 def hide_reblogs(user, %{ap_id: ap_id} = _muted) do
378 if ap_id not in user.info.muted_reblogs do
379 User.update_info(user, &User.Info.add_reblog_mute(&1, ap_id))
383 def show_reblogs(user, %{ap_id: ap_id} = _muted) do
384 if ap_id in user.info.muted_reblogs do
385 User.update_info(user, &User.Info.remove_reblog_mute(&1, ap_id))