712 lines
21 KiB
Elixir
712 lines
21 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.ActivityPub do
|
|
alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
|
|
alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF}
|
|
alias Pleroma.Web.WebFinger
|
|
alias Pleroma.Web.Federator
|
|
alias Pleroma.Web.OStatus
|
|
import Ecto.Query
|
|
import Pleroma.Web.ActivityPub.Utils
|
|
require Logger
|
|
|
|
@httpoison Application.get_env(:pleroma, :httpoison)
|
|
|
|
@instance Application.get_env(:pleroma, :instance)
|
|
|
|
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"]),
|
|
map <- lazy_put_activity_defaults(map),
|
|
:ok <- check_actor_is_active(map["actor"]),
|
|
{:ok, map} <- MRF.filter(map),
|
|
:ok <- insert_full_object(map) do
|
|
{:ok, activity} =
|
|
Repo.insert(%Activity{
|
|
data: map,
|
|
local: local,
|
|
actor: map["actor"],
|
|
recipients: get_recipients(map)
|
|
})
|
|
|
|
Notification.create_notifications(activity)
|
|
stream_out(activity)
|
|
{:ok, activity}
|
|
else
|
|
%Activity{} = activity -> {:ok, activity}
|
|
error -> {:error, error}
|
|
end
|
|
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)
|
|
|
|
if activity.local do
|
|
Pleroma.Web.Streamer.stream("public:local", activity)
|
|
end
|
|
|
|
if activity.data["object"]["attachment"] != [] do
|
|
Pleroma.Web.Streamer.stream("public:media", 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
|
|
|
|
def create(%{to: to, actor: actor, context: context, object: object} = params) do
|
|
additional = params[:additional] || %{}
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
published = params[:published]
|
|
|
|
with create_data <-
|
|
make_create_data(
|
|
%{to: to, actor: actor, published: published, context: context, object: object},
|
|
additional
|
|
),
|
|
{:ok, activity} <- insert(create_data, local),
|
|
:ok <- maybe_federate(activity),
|
|
{:ok, _actor} <- User.increase_note_count(actor) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def accept(%{to: to, actor: actor, object: object} = params) do
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
|
|
with data <- %{"to" => to, "type" => "Accept", "actor" => actor, "object" => object},
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
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)
|
|
|
|
with data <- %{
|
|
"to" => to,
|
|
"cc" => cc,
|
|
"type" => "Update",
|
|
"actor" => actor,
|
|
"object" => object
|
|
},
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
|
|
def like(
|
|
%User{ap_id: ap_id} = user,
|
|
%Object{data: %{"id" => _}} = object,
|
|
activity_id \\ nil,
|
|
local \\ true
|
|
) do
|
|
with nil <- get_existing_like(ap_id, object),
|
|
like_data <- make_like_data(user, object, activity_id),
|
|
{:ok, activity} <- insert(like_data, local),
|
|
{:ok, object} <- add_like_to_object(activity, object),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity, object}
|
|
else
|
|
%Activity{} = activity -> {:ok, activity, object}
|
|
error -> {:error, error}
|
|
end
|
|
end
|
|
|
|
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
|
|
|
|
def announce(
|
|
%User{ap_id: _} = user,
|
|
%Object{data: %{"id" => _}} = object,
|
|
activity_id \\ nil,
|
|
local \\ true
|
|
) do
|
|
with true <- is_public?(object),
|
|
announce_data <- make_announce_data(user, object, activity_id),
|
|
{:ok, activity} <- insert(announce_data, local),
|
|
{:ok, object} <- add_announce_to_object(activity, object),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity, object}
|
|
else
|
|
error -> {:error, error}
|
|
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),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
|
|
with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
|
|
{: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, activity}
|
|
end
|
|
end
|
|
|
|
def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
|
|
user = User.get_cached_by_ap_id(actor)
|
|
|
|
data = %{
|
|
"type" => "Delete",
|
|
"actor" => actor,
|
|
"object" => id,
|
|
"to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
|
|
}
|
|
|
|
with Repo.delete(object),
|
|
Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity),
|
|
{:ok, _actor} <- User.decrease_note_count(user) do
|
|
{:ok, activity}
|
|
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"]
|
|
|
|
recipients =
|
|
if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
|
|
|
|
query = from(activity in Activity)
|
|
|
|
query =
|
|
query
|
|
|> restrict_blocked(opts)
|
|
|> restrict_recipients(recipients, opts["user"])
|
|
|
|
query =
|
|
from(
|
|
activity in query,
|
|
where:
|
|
fragment(
|
|
"?->>'type' = ? and ?->>'context' = ?",
|
|
activity.data,
|
|
"Create",
|
|
activity.data,
|
|
^context
|
|
),
|
|
order_by: [desc: :id]
|
|
)
|
|
|
|
Repo.all(query)
|
|
end
|
|
|
|
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_since(query, _), do: query
|
|
|
|
defp restrict_tag(query, %{"tag" => tag}) do
|
|
from(
|
|
activity in query,
|
|
where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag(query, _), do: query
|
|
|
|
defp restrict_recipients(query, [], _user), do: query
|
|
|
|
defp restrict_recipients(query, recipients, nil) do
|
|
from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
|
|
end
|
|
|
|
defp restrict_recipients(query, recipients, user) do
|
|
from(
|
|
activity in query,
|
|
where: fragment("? && ?", ^recipients, activity.recipients),
|
|
or_where: activity.actor == ^user.ap_id
|
|
)
|
|
end
|
|
|
|
defp restrict_limit(query, %{"limit" => limit}) do
|
|
from(activity in query, limit: ^limit)
|
|
end
|
|
|
|
defp restrict_limit(query, _), do: query
|
|
|
|
defp restrict_local(query, %{"local_only" => true}) do
|
|
from(activity in query, where: activity.local == true)
|
|
end
|
|
|
|
defp restrict_local(query, _), do: query
|
|
|
|
defp restrict_max(query, %{"max_id" => max_id}) do
|
|
from(activity in query, where: activity.id < ^max_id)
|
|
end
|
|
|
|
defp restrict_max(query, _), do: query
|
|
|
|
defp restrict_actor(query, %{"actor_id" => actor_id}) do
|
|
from(activity in query, where: activity.actor == ^actor_id)
|
|
end
|
|
|
|
defp restrict_actor(query, _), do: query
|
|
|
|
defp restrict_type(query, %{"type" => type}) when is_binary(type) do
|
|
restrict_type(query, %{"type" => [type]})
|
|
end
|
|
|
|
defp restrict_type(query, %{"type" => type}) do
|
|
from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
|
|
end
|
|
|
|
defp restrict_type(query, _), do: query
|
|
|
|
defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
|
|
from(
|
|
activity in query,
|
|
where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_favorited_by(query, _), do: query
|
|
|
|
defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
|
|
from(
|
|
activity in query,
|
|
where: fragment("not (? #> '{\"object\",\"attachment\"}' = ?)", activity.data, ^[])
|
|
)
|
|
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_recent(query, _) do
|
|
since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
|
|
|
|
from(activity in query, where: activity.id > ^since)
|
|
end
|
|
|
|
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 (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(
|
|
activity in Activity,
|
|
limit: 20,
|
|
order_by: [fragment("? desc nulls last", activity.id)]
|
|
)
|
|
|
|
base_query
|
|
|> restrict_recipients(recipients, opts["user"])
|
|
|> restrict_tag(opts)
|
|
|> restrict_since(opts)
|
|
|> restrict_local(opts)
|
|
|> restrict_limit(opts)
|
|
|> restrict_max(opts)
|
|
|> 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)
|
|
end
|
|
|
|
def fetch_activities(recipients, opts \\ %{}) do
|
|
fetch_activities_query(recipients, opts)
|
|
|> Repo.all()
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
def upload(file) do
|
|
data = Upload.store(file, Application.get_env(:pleroma, :instance)[:dedupe_media])
|
|
Repo.insert(%Object{data: data})
|
|
end
|
|
|
|
def user_data_from_user_object(data) do
|
|
avatar =
|
|
data["icon"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"url" => [%{"href" => data["icon"]["url"]}]
|
|
}
|
|
|
|
banner =
|
|
data["image"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"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,
|
|
"locked" => locked
|
|
},
|
|
avatar: avatar,
|
|
nickname: "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}",
|
|
name: data["name"],
|
|
follower_address: data["followers"],
|
|
bio: data["summary"]
|
|
}
|
|
|
|
{:ok, user_data}
|
|
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"),
|
|
{:ok, data} <- Jason.decode(body) do
|
|
user_data_from_user_object(data)
|
|
else
|
|
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
|
|
end
|
|
end
|
|
|
|
def make_user_from_ap_id(ap_id) do
|
|
if _user = User.get_by_ap_id(ap_id) do
|
|
Transmogrifier.upgrade_user_from_ap_id(ap_id)
|
|
else
|
|
with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
User.insert_or_update_user(data)
|
|
else
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
end
|
|
|
|
def make_user_from_nickname(nickname) do
|
|
with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
|
|
make_user_from_ap_id(ap_id)
|
|
else
|
|
_e -> {:error, "No AP id in WebFinger"}
|
|
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
|
|
{:ok, followers} = User.get_followers(actor)
|
|
followers |> Enum.filter(&(!&1.local))
|
|
else
|
|
[]
|
|
end
|
|
|
|
public = is_public?(activity)
|
|
|
|
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}} ->
|
|
(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)
|
|
|
|
Enum.each(remote_inboxes, fn inbox ->
|
|
Federator.enqueue(:publish_single_ap, %{
|
|
inbox: inbox,
|
|
json: json,
|
|
actor: actor,
|
|
id: activity.data["id"]
|
|
})
|
|
end)
|
|
end
|
|
|
|
def publish_one(%{inbox: inbox, json: json, actor: actor, id: id}) do
|
|
Logger.info("Federating #{id} to #{inbox}")
|
|
host = URI.parse(inbox).host
|
|
|
|
signature =
|
|
Pleroma.Web.HTTPSignatures.sign(actor, %{host: host, "content-length": byte_size(json)})
|
|
|
|
@httpoison.post(
|
|
inbox,
|
|
json,
|
|
[{"Content-Type", "application/activity+json"}, {"signature", signature}],
|
|
hackney: [pool: :default]
|
|
)
|
|
end
|
|
|
|
# TODO:
|
|
# This will create a Create activity, which we need internally at the moment.
|
|
def fetch_object_from_id(id) do
|
|
if object = Object.get_cached_by_ap_id(id) do
|
|
{:ok, object}
|
|
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),
|
|
nil <- Object.normalize(data),
|
|
params <- %{
|
|
"type" => "Create",
|
|
"to" => data["to"],
|
|
"cc" => data["cc"],
|
|
"actor" => data["attributedTo"],
|
|
"object" => data
|
|
},
|
|
{:ok, activity} <- Transmogrifier.handle_incoming(params) do
|
|
{:ok, Object.normalize(activity.data["object"])}
|
|
else
|
|
object = %Object{} ->
|
|
{:ok, object}
|
|
|
|
_e ->
|
|
Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
|
|
|
|
case OStatus.fetch_activity_from_url(id) do
|
|
{:ok, [activity | _]} -> {:ok, Object.normalize(activity.data["object"])}
|
|
e -> e
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def is_public?(activity) do
|
|
"https://www.w3.org/ns/activitystreams#Public" in (activity.data["to"] ++
|
|
(activity.data["cc"] || []))
|
|
end
|
|
|
|
def visible_for_user?(activity, nil) do
|
|
is_public?(activity)
|
|
end
|
|
|
|
def visible_for_user?(activity, user) do
|
|
x = [user.ap_id | user.following]
|
|
y = activity.data["to"] ++ (activity.data["cc"] || [])
|
|
visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
|
|
end
|
|
end
|