defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
- alias Pleroma.Web.ActivityPub.Transmogrifier
+ alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF}
alias Pleroma.Web.WebFinger
alias Pleroma.Web.Federator
alias Pleroma.Web.OStatus
@httpoison Application.get_env(:pleroma, :httpoison)
@instance Application.get_env(:pleroma, :instance)
- @rewrite_policy Keyword.get(@instance, :rewrite_policy)
def get_recipients(data) do
(data["to"] || []) ++ (data["cc"] || [])
end
+ defp check_actor_is_active(actor) do
+ if not is_nil(actor) do
+ with user <- User.get_cached_by_ap_id(actor),
+ nil <- user.info["deactivated"] do
+ :ok
+ else
+ _e -> :reject
+ end
+ else
+ :ok
+ end
+ end
+
def insert(map, local \\ true) when is_map(map) do
- with nil <- Activity.get_by_ap_id(map["id"]),
+ with nil <- Activity.normalize(map),
map <- lazy_put_activity_defaults(map),
- {:ok, map} <- @rewrite_policy.filter(map),
+ :ok <- check_actor_is_active(map["actor"]),
+ {:ok, map} <- MRF.filter(map),
:ok <- insert_full_object(map) do
{:ok, activity} =
Repo.insert(%Activity{
end
def stream_out(activity) do
+ public = "https://www.w3.org/ns/activitystreams#Public"
+
if activity.data["type"] in ["Create", "Announce"] do
Pleroma.Web.Streamer.stream("user", activity)
+ Pleroma.Web.Streamer.stream("list", activity)
+
+ if Enum.member?(activity.data["to"], public) do
+ Pleroma.Web.Streamer.stream("public", activity)
- visibility = Pleroma.Web.MastodonAPI.StatusView.get_visibility(activity.data["object"])
+ if activity.local do
+ Pleroma.Web.Streamer.stream("public:local", activity)
+ end
- case visibility do
- "public" ->
- Pleroma.Web.Streamer.stream("public", activity)
- if activity.local, do: Pleroma.Web.Streamer.stream("public:local", activity)
+ if activity.data["object"]["attachment"] != [] do
+ Pleroma.Web.Streamer.stream("public:media", activity)
- "direct" ->
- Pleroma.Web.Streamer.stream("direct", activity)
+ if activity.local do
+ Pleroma.Web.Streamer.stream("public:local:media", activity)
+ end
+ end
+ else
+ if !Enum.member?(activity.data["cc"] || [], public) &&
+ !Enum.member?(
+ activity.data["to"],
+ User.get_by_ap_id(activity.data["actor"]).follower_address
+ ),
+ do: Pleroma.Web.Streamer.stream("direct", activity)
end
end
end
end
end
+ def reject(%{to: to, actor: actor, object: object} = params) do
+ # only accept false as false value
+ local = !(params[:local] == false)
+
+ with data <- %{"to" => to, "type" => "Reject", "actor" => actor, "object" => object},
+ {:ok, activity} <- insert(data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
+ end
+
def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
# only accept false as false value
local = !(params[:local] == false)
end
end
- def unlike(%User{} = actor, %Object{} = object) do
- with %Activity{} = activity <- get_existing_like(actor.ap_id, object),
- {:ok, _activity} <- Repo.delete(activity),
- {:ok, object} <- remove_like_from_object(activity, object) do
- {:ok, object}
+ def unlike(
+ %User{} = actor,
+ %Object{} = object,
+ activity_id \\ nil,
+ local \\ true
+ ) do
+ with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
+ unlike_data <- make_unlike_data(actor, like_activity, activity_id),
+ {:ok, unlike_activity} <- insert(unlike_data, local),
+ {:ok, _activity} <- Repo.delete(like_activity),
+ {:ok, object} <- remove_like_from_object(like_activity, object),
+ :ok <- maybe_federate(unlike_activity) do
+ {:ok, unlike_activity, like_activity, object}
else
_e -> {:ok, object}
end
end
end
+ def unannounce(
+ %User{} = actor,
+ %Object{} = object,
+ activity_id \\ nil,
+ local \\ true
+ ) do
+ with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
+ unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
+ {:ok, unannounce_activity} <- insert(unannounce_data, local),
+ :ok <- maybe_federate(unannounce_activity),
+ {:ok, _activity} <- Repo.delete(announce_activity),
+ {:ok, object} <- remove_announce_from_object(announce_activity, object) do
+ {:ok, unannounce_activity, object}
+ else
+ _e -> {:ok, object}
+ end
+ end
+
def follow(follower, followed, activity_id \\ nil, local \\ true) do
with data <- make_follow_data(follower, followed, activity_id),
{:ok, activity} <- insert(data, local),
end
end
- def unfollow(follower, followed, local \\ true) do
+ def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
- unfollow_data <- make_unfollow_data(follower, followed, follow_activity),
+ {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
+ unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
{:ok, activity} <- insert(unfollow_data, local),
- :ok,
- maybe_federate(activity) do
+ :ok <- maybe_federate(activity) do
{:ok, activity}
end
end
end
end
+ def block(blocker, blocked, activity_id \\ nil, local \\ true) do
+ ap_config = Application.get_env(:pleroma, :activitypub)
+ unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
+ outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
+
+ with true <- unfollow_blocked do
+ follow_activity = fetch_latest_follow(blocker, blocked)
+
+ if follow_activity do
+ unfollow(blocker, blocked, nil, local)
+ end
+ end
+
+ with true <- outgoing_blocks,
+ block_data <- make_block_data(blocker, blocked, activity_id),
+ {:ok, activity} <- insert(block_data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ else
+ _e -> {:ok, nil}
+ end
+ end
+
+ def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
+ with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
+ unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
+ {:ok, activity} <- insert(unblock_data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
+ end
+
def fetch_activities_for_context(context, opts \\ %{}) do
public = ["https://www.w3.org/ns/activitystreams#Public"]
Repo.all(query)
end
- # TODO: Make this work properly with unlisted.
def fetch_public_activities(opts \\ %{}) do
q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
q
+ |> restrict_unlisted()
|> Repo.all()
|> Enum.reverse()
end
+ @valid_visibilities ~w[direct unlisted public private]
+
+ defp restrict_visibility(query, %{visibility: "direct"}) do
+ public = "https://www.w3.org/ns/activitystreams#Public"
+
+ from(
+ activity in query,
+ join: sender in User,
+ on: sender.ap_id == activity.actor,
+ # Are non-direct statuses with no to/cc possible?
+ where:
+ fragment(
+ "not (? && ?)",
+ [^public, sender.follower_address],
+ activity.recipients
+ )
+ )
+ end
+
+ defp restrict_visibility(_query, %{visibility: visibility})
+ when visibility not in @valid_visibilities do
+ Logger.error("Could not restrict visibility to #{visibility}")
+ end
+
+ defp restrict_visibility(query, _visibility), do: query
+
+ def fetch_user_activities(user, reading_user, params \\ %{}) do
+ params =
+ params
+ |> Map.put("type", ["Create", "Announce"])
+ |> Map.put("actor_id", user.ap_id)
+ |> Map.put("whole_db", true)
+
+ recipients =
+ if reading_user do
+ ["https://www.w3.org/ns/activitystreams#Public"] ++
+ [reading_user.ap_id | reading_user.following]
+ else
+ ["https://www.w3.org/ns/activitystreams#Public"]
+ end
+
+ fetch_activities(recipients, params)
+ |> Enum.reverse()
+ end
+
defp restrict_since(query, %{"since_id" => since_id}) do
from(activity in query, where: activity.id > ^since_id)
end
defp restrict_media(query, _), do: query
+ defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
+ from(
+ activity in query,
+ where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
+ )
+ end
+
+ defp restrict_replies(query, _), do: query
+
# Only search through last 100_000 activities by default
defp restrict_recent(query, %{"whole_db" => true}), do: query
defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
blocks = info["blocks"] || []
+ domain_blocks = info["domain_blocks"] || []
from(
activity in query,
where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
- where: fragment("not (?->'to' \\?| ?)", activity.data, ^blocks)
+ where: fragment("not (?->'to' \\?| ?)", activity.data, ^blocks),
+ where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
)
end
defp restrict_blocked(query, _), do: query
+ defp restrict_unlisted(query) do
+ from(
+ activity in query,
+ where:
+ fragment(
+ "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
+ activity.data,
+ ^["https://www.w3.org/ns/activitystreams#Public"]
+ )
+ )
+ end
+
def fetch_activities_query(recipients, opts \\ %{}) do
base_query =
from(
|> restrict_recent(opts)
|> restrict_blocked(opts)
|> restrict_media(opts)
+ |> restrict_visibility(opts)
+ |> restrict_replies(opts)
end
def fetch_activities(recipients, opts \\ %{}) do
end
def upload(file) do
- data = Upload.store(file)
+ data = Upload.store(file, Application.get_env(:pleroma, :instance)[:dedupe_media])
Repo.insert(%Object{data: data})
end
"url" => [%{"href" => data["image"]["url"]}]
}
+ locked = data["manuallyApprovesFollowers"] || false
+ data = Transmogrifier.maybe_fix_user_object(data)
+
user_data = %{
ap_id: data["id"],
info: %{
"ap_enabled" => true,
"source_data" => data,
- "banner" => banner
+ "banner" => banner,
+ "locked" => locked
},
avatar: avatar,
nickname: "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}",
end
end
+ @quarantined_instances Keyword.get(@instance, :quarantined_instances, [])
+
+ def should_federate?(inbox, public) do
+ if public do
+ true
+ else
+ inbox_info = URI.parse(inbox)
+ inbox_info.host not in @quarantined_instances
+ end
+ end
+
def publish(actor, activity) do
followers =
if actor.follower_address in activity.recipients do
[]
end
+ public = is_public?(activity)
+
remote_inboxes =
(Pleroma.Web.Salmon.remote_users(activity) ++ followers)
|> Enum.filter(fn user -> User.ap_enabled?(user) end)
(data["endpoints"] && data["endpoints"]["sharedInbox"]) || data["inbox"]
end)
|> Enum.uniq()
+ |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
{:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
json = Jason.encode!(data)
Logger.info("Federating #{id} to #{inbox}")
host = URI.parse(inbox).host
+ digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
+
signature =
- Pleroma.Web.HTTPSignatures.sign(actor, %{host: host, "content-length": byte_size(json)})
+ Pleroma.Web.HTTPSignatures.sign(actor, %{
+ host: host,
+ "content-length": byte_size(json),
+ digest: digest
+ })
@httpoison.post(
inbox,
json,
- [{"Content-Type", "application/activity+json"}, {"signature", signature}],
+ [
+ {"Content-Type", "application/activity+json"},
+ {"signature", signature},
+ {"digest", digest}
+ ],
hackney: [pool: :default]
)
end
recv_timeout: 20000
),
{:ok, data} <- Jason.decode(body),
- nil <- Object.get_by_ap_id(data["id"]),
+ nil <- Object.normalize(data),
params <- %{
"type" => "Create",
"to" => data["to"],
"object" => data
},
{:ok, activity} <- Transmogrifier.handle_incoming(params) do
- {:ok, Object.get_by_ap_id(activity.data["object"]["id"])}
+ {:ok, Object.normalize(activity.data["object"])}
else
object = %Object{} ->
{:ok, object}
Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
case OStatus.fetch_activity_from_url(id) do
- {:ok, [activity | _]} -> {:ok, Object.get_by_ap_id(activity.data["object"]["id"])}
+ {:ok, [activity | _]} -> {:ok, Object.normalize(activity.data["object"])}
e -> e
end
end