1 defmodule Pleroma.Web.ActivityPub.ActivityPub do
2 alias Pleroma.{Activity, Repo, Object, Upload, User, Web, Notification}
3 alias Ecto.{Changeset, UUID}
5 import Pleroma.Web.ActivityPub.Utils
8 def insert(map, local \\ true) when is_map(map) do
9 with nil <- Activity.get_by_ap_id(map["id"]),
10 map <- lazy_put_activity_defaults(map),
11 :ok <- insert_full_object(map) do
12 {:ok, activity} = Repo.insert(%Activity{data: map, local: local, actor: map["actor"]})
13 Notification.create_notifications(activity)
16 %Activity{} = activity -> {:ok, activity}
17 error -> {:error, error}
21 def create(to, actor, context, object, additional \\ %{}, published \\ nil, local \\ true) do
22 with create_data <- make_create_data(%{to: to, actor: actor, published: published, context: context, object: object}, additional),
23 {:ok, activity} <- insert(create_data, local),
24 :ok <- maybe_federate(activity) do
25 if activity.data["type"] == "Create" and Enum.member?(activity.data["to"], "https://www.w3.org/ns/activitystreams#Public") do
26 Pleroma.Web.Streamer.stream("public", activity)
28 Pleroma.Web.Streamer.stream("public:local", activity)
35 # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
36 def like(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id \\ nil, local \\ true) do
37 with nil <- get_existing_like(ap_id, object),
38 like_data <- make_like_data(user, object, activity_id),
39 {:ok, activity} <- insert(like_data, local),
40 {:ok, object} <- add_like_to_object(activity, object),
41 :ok <- maybe_federate(activity) do
42 {:ok, activity, object}
44 %Activity{} = activity -> {:ok, activity, object}
45 error -> {:error, error}
49 def unlike(%User{} = actor, %Object{} = object) do
50 with %Activity{} = activity <- get_existing_like(actor.ap_id, object),
51 {:ok, _activity} <- Repo.delete(activity),
52 {:ok, object} <- remove_like_from_object(activity, object) do
54 else _e -> {:ok, object}
58 def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id \\ nil, local \\ true) do
59 with announce_data <- make_announce_data(user, object, activity_id),
60 {:ok, activity} <- insert(announce_data, local),
61 {:ok, object} <- add_announce_to_object(activity, object),
62 :ok <- maybe_federate(activity) do
63 {:ok, activity, object}
65 error -> {:error, error}
69 def follow(follower, followed, activity_id \\ nil, local \\ true) do
70 with data <- make_follow_data(follower, followed, activity_id),
71 {:ok, activity} <- insert(data, local),
72 :ok <- maybe_federate(activity) do
77 def unfollow(follower, followed, local \\ true) do
78 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
79 unfollow_data <- make_unfollow_data(follower, followed, follow_activity),
80 {:ok, activity} <- insert(unfollow_data, local),
81 :ok, maybe_federate(activity) do
86 def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
87 user = User.get_cached_by_ap_id(actor)
92 "to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
94 with Repo.delete(object),
95 Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
96 {:ok, activity} <- insert(data, local),
97 :ok <- maybe_federate(activity) do
102 def fetch_activities_for_context(context, opts \\ %{}) do
103 query = from activity in Activity,
104 where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
105 order_by: [desc: :id]
106 query = restrict_blocked(query, opts)
110 def fetch_public_activities(opts \\ %{}) do
111 public = ["https://www.w3.org/ns/activitystreams#Public"]
112 fetch_activities(public, opts)
115 defp restrict_since(query, %{"since_id" => since_id}) do
116 from activity in query, where: activity.id > ^since_id
118 defp restrict_since(query, _), do: query
120 defp restrict_tag(query, %{"tag" => tag}) do
121 from activity in query,
122 where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
124 defp restrict_tag(query, _), do: query
126 defp restrict_recipients(query, recipients) do
127 Enum.reduce(recipients, query, fn (recipient, q) ->
128 map = %{ to: [recipient] }
130 or_where: fragment(~s(? @> ?), activity.data, ^map)
134 defp restrict_local(query, %{"local_only" => true}) do
135 from activity in query, where: activity.local == true
137 defp restrict_local(query, _), do: query
139 defp restrict_max(query, %{"max_id" => max_id}) do
140 from activity in query, where: activity.id < ^max_id
142 defp restrict_max(query, _), do: query
144 defp restrict_actor(query, %{"actor_id" => actor_id}) do
145 from activity in query,
146 where: activity.actor == ^actor_id
148 defp restrict_actor(query, _), do: query
150 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
151 restrict_type(query, %{"type" => [type]})
153 defp restrict_type(query, %{"type" => type}) do
154 from activity in query,
155 where: fragment("?->>'type' = ANY(?)", activity.data, ^type)
157 defp restrict_type(query, _), do: query
159 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
160 from activity in query,
161 where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
163 defp restrict_favorited_by(query, _), do: query
165 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
166 from activity in query,
167 where: fragment("not (? #> '{\"object\",\"attachment\"}' = ?)", activity.data, ^[])
169 defp restrict_media(query, _), do: query
171 # Only search through last 100_000 activities by default
172 defp restrict_recent(query, %{"whole_db" => true}), do: query
173 defp restrict_recent(query, _) do
174 since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
176 from activity in query,
177 where: activity.id > ^since
180 defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
181 blocks = info["blocks"] || []
182 from activity in query,
183 where: fragment("not (? = ANY(?))", activity.actor, ^blocks)
185 defp restrict_blocked(query, _), do: query
187 def fetch_activities(recipients, opts \\ %{}) do
188 base_query = from activity in Activity,
190 order_by: [fragment("? desc nulls last", activity.id)]
193 |> restrict_recipients(recipients)
194 |> restrict_tag(opts)
195 |> restrict_since(opts)
196 |> restrict_local(opts)
197 |> restrict_max(opts)
198 |> restrict_actor(opts)
199 |> restrict_type(opts)
200 |> restrict_favorited_by(opts)
201 |> restrict_recent(opts)
202 |> restrict_blocked(opts)
203 |> restrict_media(opts)
209 data = Upload.store(file)
210 Repo.insert(%Object{data: data})