+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF}
@httpoison Application.get_env(:pleroma, :httpoison)
- @instance Application.get_env(:pleroma, :instance)
-
# For Announce activities, we filter the recipients based on following status for any actors
# that match actual users. See issue #164 for more information about why this is necessary.
defp get_recipients(%{"type" => "Announce"} = data) do
defp check_actor_is_active(actor) do
if not is_nil(actor) do
with user <- User.get_cached_by_ap_id(actor),
- false <- !!user.info["deactivated"] do
+ false <- user.info.deactivated do
:ok
else
_e -> :reject
end
end
+ defp check_remote_limit(%{"object" => %{"content" => content}}) do
+ limit = Pleroma.Config.get([:instance, :remote_limit])
+ String.length(content) <= limit
+ end
+
+ defp check_remote_limit(_), do: true
+
def insert(map, local \\ true) when is_map(map) do
with nil <- Activity.normalize(map),
map <- lazy_put_activity_defaults(map),
:ok <- check_actor_is_active(map["actor"]),
+ {_, true} <- {:remote_limit_error, check_remote_limit(map)},
{:ok, map} <- MRF.filter(map),
:ok <- insert_full_object(map) do
{recipients, _, _} = get_recipients(map)
@valid_visibilities ~w[direct unlisted public private]
- defp restrict_visibility(query, %{visibility: "direct"}) do
- public = "https://www.w3.org/ns/activitystreams#Public"
+ defp restrict_visibility(query, %{visibility: visibility})
+ when visibility in @valid_visibilities do
+ query =
+ from(
+ a in query,
+ where:
+ fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
+ )
- 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
- )
- )
+ Ecto.Adapters.SQL.to_sql(:all, Repo, query)
+
+ query
end
defp restrict_visibility(_query, %{visibility: visibility})
|> Map.put("type", ["Create", "Announce"])
|> Map.put("actor_id", user.ap_id)
|> Map.put("whole_db", true)
+ |> Map.put("pinned_activity_ids", user.info.pinned_activities)
recipients =
if reading_user do
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_recent(query, _) do
- since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
-
- from(activity in query, where: activity.id > ^since)
+ defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
+ from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
end
+ defp restrict_reblogs(query, _), do: query
+
defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
- blocks = info["blocks"] || []
- domain_blocks = info["domain_blocks"] || []
+ blocks = info.blocks || []
+ domain_blocks = info.domain_blocks || []
from(
activity in query,
)
end
+ defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
+ from(activity in query, where: activity.id in ^ids)
+ end
+
+ defp restrict_pinned(query, _), do: query
+
def fetch_activities_query(recipients, opts \\ %{}) do
base_query =
from(
|> restrict_actor(opts)
|> restrict_type(opts)
|> restrict_favorited_by(opts)
- |> restrict_recent(opts)
|> restrict_blocked(opts)
|> restrict_media(opts)
|> restrict_visibility(opts)
|> restrict_replies(opts)
+ |> restrict_reblogs(opts)
+ |> restrict_pinned(opts)
end
def fetch_activities(recipients, opts \\ %{}) do
|> Enum.reverse()
end
- def upload(file, size_limit \\ nil) do
- with data <-
- Upload.store(file, Application.get_env(:pleroma, :instance)[:dedupe_media], size_limit),
- false <- is_nil(data) do
- Repo.insert(%Object{data: data})
+ def upload(file, opts \\ []) do
+ with {:ok, data} <- Upload.store(file, opts) do
+ obj_data =
+ if opts[:actor] do
+ Map.put(data, "actor", opts[:actor])
+ else
+ data
+ end
+
+ Repo.insert(%Object{data: obj_data})
end
end
end
def fetch_and_prepare_user_from_ap_id(ap_id) do
- with {:ok, %{status_code: 200, body: body}} <-
- @httpoison.get(ap_id, [Accept: "application/activity+json"], follow_redirect: true),
- {:ok, data} <- Jason.decode(body) do
+ with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do
user_data_from_user_object(data)
else
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
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
+ !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
end
end
remote_inboxes =
(Pleroma.Web.Salmon.remote_users(activity) ++ followers)
|> Enum.filter(fn user -> User.ap_enabled?(user) end)
- |> Enum.map(fn %{info: %{"source_data" => data}} ->
+ |> Enum.map(fn %{info: %{source_data: data}} ->
(is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
end)
|> Enum.uniq()
{"Content-Type", "application/activity+json"},
{"signature", signature},
{"digest", digest}
- ],
- hackney: [pool: :default]
+ ]
)
end
else
Logger.info("Fetching #{id} via AP")
- with true <- String.starts_with?(id, "http"),
- {:ok, %{body: body, status_code: code}} when code in 200..299 <-
- @httpoison.get(
- id,
- [Accept: "application/activity+json"],
- follow_redirect: true,
- timeout: 10000,
- recv_timeout: 20000
- ),
- {:ok, data} <- Jason.decode(body),
+ with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
nil <- Object.normalize(data),
params <- %{
"type" => "Create",
"to" => data["to"],
"cc" => data["cc"],
- "actor" => data["attributedTo"],
+ "actor" => data["actor"] || data["attributedTo"],
"object" => data
},
:ok <- Transmogrifier.contain_origin(id, params),
end
end
+ def fetch_and_contain_remote_object_from_id(id) do
+ Logger.info("Fetching #{id} via AP")
+
+ with true <- String.starts_with?(id, "http"),
+ {:ok, %{body: body, status: code}} when code in 200..299 <-
+ @httpoison.get(
+ id,
+ [{:Accept, "application/activity+json"}]
+ ),
+ {:ok, data} <- Jason.decode(body),
+ :ok <- Transmogrifier.contain_origin_from_id(id, data) do
+ {:ok, data}
+ else
+ e ->
+ {:error, e}
+ end
+ end
+
+ def is_public?(%Object{data: %{"type" => "Tombstone"}}) do
+ false
+ end
+
def is_public?(activity) do
"https://www.w3.org/ns/activitystreams#Public" in (activity.data["to"] ++
(activity.data["cc"] || []))
end
# guard
- def entire_thread_visible_for_user?(nil, user), do: false
+ def entire_thread_visible_for_user?(nil, _user), do: false
# child
def entire_thread_visible_for_user?(
projects / akkoma / blobdiff