defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.{Activity, Repo, Object, Upload, User, Web, Notification}
- alias Ecto.{Changeset, UUID}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
+ alias Pleroma.Web.ActivityPub.Transmogrifier
+ 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)
+
+ def get_recipients(data) do
+ (data["to"] || []) ++ (data["cc"] || [])
+ 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 <- insert_full_object(map) do
- {:ok, activity} = Repo.insert(%Activity{data: map, local: local, actor: map["actor"]})
+ {: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}
end
end
- def create(to, actor, context, object, additional \\ %{}, published \\ nil, local \\ true) do
+ def stream_out(activity) do
+ if activity.data["type"] in ["Create", "Announce"] do
+ Pleroma.Web.Streamer.stream("user", activity)
+ if Enum.member?(activity.data["to"], "https://www.w3.org/ns/activitystreams#Public") do
+ Pleroma.Web.Streamer.stream("public", activity)
+ if activity.local do
+ Pleroma.Web.Streamer.stream("public:local", activity)
+ end
+ end
+ end
+ end
+
+ def create(%{to: to, actor: actor, context: context, object: object} = params) do
+ additional = params[:additional] || %{}
+ local = !(params[:local] == false) # only accept false as false value
+ 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) do
- if activity.data["type"] == "Create" and Enum.member?(activity.data["to"], "https://www.w3.org/ns/activitystreams#Public") do
- Pleroma.Web.Streamer.stream("public", activity)
- end
+ {:ok, activity}
+ end
+ end
+
+ def accept(%{to: to, actor: actor, object: object} = params) do
+ local = !(params[:local] == false) # only accept false as false value
+
+ 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 update(%{to: to, cc: cc, actor: actor, object: object} = params) do
+ local = !(params[:local] == false) # only accept false as false value
+
+ 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" => id}} = object, activity_id \\ nil, local \\ true) do
+ 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),
end
end
- def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id \\ nil, local \\ true) do
- with announce_data <- make_announce_data(user, object, activity_id),
+ 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
end
def fetch_activities_for_context(context, opts \\ %{}) do
- query = from activity in Activity,
+ 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]
- query = restrict_blocked(query, opts)
Repo.all(query)
end
def fetch_public_activities(opts \\ %{}) do
- public = ["https://www.w3.org/ns/activitystreams#Public"]
- fetch_activities(public, opts)
+ public = %{to: ["https://www.w3.org/ns/activitystreams#Public"]}
+ q = fetch_activities_query([], opts)
+ q = from activity in q,
+ where: fragment(~s(? @> ?), activity.data, ^public)
+ q
+ |> Repo.all
+ |> Enum.reverse
end
defp restrict_since(query, %{"since_id" => since_id}) do
end
defp restrict_tag(query, _), do: query
- defp restrict_recipients(query, recipients) do
- Enum.reduce(recipients, query, fn (recipient, q) ->
- map = %{ to: [recipient] }
- from activity in q,
- or_where: fragment(~s(? @> ?), activity.data, ^map)
- end)
+ 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_local(query, %{"local_only" => true}) do
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
+
# Only search through last 100_000 activities by default
defp restrict_recent(query, %{"whole_db" => true}), do: query
defp restrict_recent(query, _) do
end
defp restrict_blocked(query, _), do: query
- def fetch_activities(recipients, opts \\ %{}) do
+ 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)
+ |> restrict_recipients(recipients, opts["user"])
|> restrict_tag(opts)
|> restrict_since(opts)
|> restrict_local(opts)
|> restrict_favorited_by(opts)
|> restrict_recent(opts)
|> restrict_blocked(opts)
+ |> restrict_media(opts)
+ end
+
+ def fetch_activities(recipients, opts \\ %{}) do
+ fetch_activities_query(recipients, opts)
|> Repo.all
|> Enum.reverse
end
data = Upload.store(file)
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"]}]
+ }
+
+ user_data = %{
+ ap_id: data["id"],
+ info: %{
+ "ap_enabled" => true,
+ "source_data" => data,
+ "banner" => banner
+ },
+ 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} <- Poison.decode(body) do
+ user_data_from_user_object(data)
+ else
+ e -> Logger.error("Could not 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
+
+ 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
+
+ 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
+
+ {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
+ json = Poison.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}])
+ 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 {: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} <- Poison.decode(body),
+ nil <- Object.get_by_ap_id(data["id"]),
+ params <- %{"type" => "Create", "to" => data["to"], "cc" => data["cc"], "actor" => data["attributedTo"], "object" => data},
+ {:ok, activity} <- Transmogrifier.handle_incoming(params) do
+ {:ok, Object.get_by_ap_id(activity.data["object"]["id"])}
+ 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.get_by_ap_id(activity.data["object"]["id"])}
+ 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
projects / akkoma / blobdiff