X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fpublisher.ex;h=c97405690b4cb54bf829fe1a2f05c7f0d6c6507d;hb=c2a1bac5de9a3e724982210c0f2154fae99177d4;hp=11dba87dea79440dd9b25d1310ab75d6520026f5;hpb=5ece901af3e887664653c79c5e61618cc5cf0ecf;p=akkoma diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex index 11dba87de..c97405690 100644 --- a/lib/pleroma/web/activity_pub/publisher.ex +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -5,19 +5,20 @@ defmodule Pleroma.Web.ActivityPub.Publisher do alias Pleroma.Activity alias Pleroma.Config + alias Pleroma.HTTP alias Pleroma.Instances alias Pleroma.User alias Pleroma.Web.ActivityPub.Relay alias Pleroma.Web.ActivityPub.Transmogrifier + require Pleroma.Constants + import Pleroma.Web.ActivityPub.Visibility @behaviour Pleroma.Web.Federator.Publisher require Logger - @httpoison Application.get_env(:pleroma, :httpoison) - @moduledoc """ ActivityPub outgoing federation module. """ @@ -45,16 +46,15 @@ defmodule Pleroma.Web.ActivityPub.Publisher do """ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do Logger.info("Federating #{id} to #{inbox}") - host = URI.parse(inbox).host + %{host: host, path: path} = URI.parse(inbox) digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) - date = - NaiveDateTime.utc_now() - |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT") + date = Pleroma.Signature.signed_date() signature = Pleroma.Signature.sign(actor, %{ + "(request-target)": "post #{path}", host: host, "content-length": byte_size(json), digest: digest, @@ -63,7 +63,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do with {:ok, %{status: code}} when code in 200..299 <- result = - @httpoison.post( + HTTP.post( inbox, json, [ @@ -88,23 +88,115 @@ defmodule Pleroma.Web.ActivityPub.Publisher do if public do true else - inbox_info = URI.parse(inbox) - !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) + %{host: host} = URI.parse(inbox) + + quarantined_instances = + Config.get([:instance, :quarantined_instances], []) + |> Pleroma.Web.ActivityPub.MRF.subdomains_regex() + + !Pleroma.Web.ActivityPub.MRF.subdomain_match?(quarantined_instances, host) end end - @doc """ - Publishes an activity to all relevant peers. - """ - def publish(%User{} = actor, %Activity{} = activity) do - remote_followers = + @spec recipients(User.t(), Activity.t()) :: list(User.t()) | [] + defp recipients(actor, activity) do + {:ok, followers} = if actor.follower_address in activity.recipients do - {:ok, followers} = User.get_followers(actor) - followers |> Enum.filter(&(!&1.local)) + User.get_external_followers(actor) else - [] + {:ok, []} end + Pleroma.Web.Salmon.remote_users(actor, activity) ++ followers + end + + defp get_cc_ap_ids(ap_id, recipients) do + host = Map.get(URI.parse(ap_id), :host) + + recipients + |> Enum.filter(fn %User{ap_id: ap_id} -> Map.get(URI.parse(ap_id), :host) == host end) + |> Enum.map(& &1.ap_id) + end + + defp maybe_use_sharedinbox(%User{info: %{source_data: data}}), + do: (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] + + @doc """ + Determine a user inbox to use based on heuristics. These heuristics + are based on an approximation of the ``sharedInbox`` rules in the + [ActivityPub specification][ap-sharedinbox]. + + Please do not edit this function (or its children) without reading + the spec, as editing the code is likely to introduce some breakage + without some familiarity. + + [ap-sharedinbox]: https://www.w3.org/TR/activitypub/#shared-inbox-delivery + """ + def determine_inbox( + %Activity{data: activity_data}, + %User{info: %{source_data: data}} = user + ) do + to = activity_data["to"] || [] + cc = activity_data["cc"] || [] + type = activity_data["type"] + + cond do + type == "Delete" -> + maybe_use_sharedinbox(user) + + Pleroma.Constants.as_public() in to || Pleroma.Constants.as_public() in cc -> + maybe_use_sharedinbox(user) + + length(to) + length(cc) > 1 -> + maybe_use_sharedinbox(user) + + true -> + data["inbox"] + end + end + + @doc """ + Publishes an activity with BCC to all relevant peers. + """ + + def publish(actor, %{data: %{"bcc" => bcc}} = activity) when is_list(bcc) and bcc != [] do + public = is_public?(activity) + {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) + + recipients = recipients(actor, activity) + + recipients + |> Enum.filter(&User.ap_enabled?/1) + |> Enum.map(fn %{info: %{source_data: data}} -> data["inbox"] end) + |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) + |> Instances.filter_reachable() + |> Enum.each(fn {inbox, unreachable_since} -> + %User{ap_id: ap_id} = + Enum.find(recipients, fn %{info: %{source_data: data}} -> data["inbox"] == inbox end) + + # Get all the recipients on the same host and add them to cc. Otherwise, a remote + # instance would only accept a first message for the first recipient and ignore the rest. + cc = get_cc_ap_ids(ap_id, recipients) + + json = + data + |> Map.put("cc", cc) + |> Jason.encode!() + + Pleroma.Web.Federator.Publisher.enqueue_one(__MODULE__, %{ + inbox: inbox, + json: json, + actor: actor, + id: activity.data["id"], + unreachable_since: unreachable_since + }) + end) + end + + @doc """ + Publishes an activity to all relevant peers. + """ + def publish(%User{} = actor, %Activity{} = activity) do public = is_public?(activity) if public && Config.get([:instance, :allow_relay]) do @@ -115,10 +207,10 @@ defmodule Pleroma.Web.ActivityPub.Publisher do {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) json = Jason.encode!(data) - (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers) + recipients(actor, activity) |> Enum.filter(fn user -> User.ap_enabled?(user) end) - |> Enum.map(fn %{info: %{source_data: data}} -> - (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] + |> Enum.map(fn %User{} = user -> + determine_inbox(activity, user) end) |> Enum.uniq() |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)