+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.Salmon do
@httpoison Application.get_env(:pleroma, :httpoison)
use Bitwise
- alias Pleroma.Web.XML
- alias Pleroma.Web.OStatus.ActivityRepresenter
+
+ alias Pleroma.Instances
alias Pleroma.User
+ alias Pleroma.Web.OStatus.ActivityRepresenter
+ alias Pleroma.Web.XML
+
require Logger
def decode(salmon) do
# Native generation of RSA keys is only available since OTP 20+ and in default build conditions
# We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
try do
- _ = :public_key.generate_key({:rsa, 2048, 65537})
+ _ = :public_key.generate_key({:rsa, 2048, 65_537})
def generate_rsa_pem do
- key = :public_key.generate_key({:rsa, 2048, 65537})
+ key = :public_key.generate_key({:rsa, 2048, 65_537})
entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
pem = :public_key.pem_encode([entry]) |> String.trim_trailing()
{:ok, pem}
|> Enum.filter(fn user -> user && !user.local end)
end
- defp send_to_user(%{info: %{salmon: salmon}}, feed, poster) do
- with {:ok, %{status: code}} <-
+ @doc "Pushes an activity to remote account."
+ def send_to_user(%{recipient: %{info: %{salmon: salmon}}} = params),
+ do: send_to_user(Map.put(params, :recipient, salmon))
+
+ def send_to_user(%{recipient: url, feed: feed, poster: poster} = params) when is_binary(url) do
+ with {:ok, %{status: code}} when code in 200..299 <-
poster.(
- salmon,
+ url,
feed,
[{"Content-Type", "application/magic-envelope+xml"}]
) do
- Logger.debug(fn -> "Pushed to #{salmon}, code #{code}" end)
+ if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
+ do: Instances.set_reachable(url)
+
+ Logger.debug(fn -> "Pushed to #{url}, code #{code}" end)
+ :ok
else
- e -> Logger.debug(fn -> "Pushing Salmon to #{salmon} failed, #{inspect(e)}" end)
+ e ->
+ unless params[:unreachable_since], do: Instances.set_reachable(url)
+ Logger.debug(fn -> "Pushing Salmon to #{url} failed, #{inspect(e)}" end)
+ :error
end
end
- defp send_to_user(_, _, _), do: nil
+ def send_to_user(_), do: :noop
@supported_activities [
"Create",
"Undo",
"Delete"
]
- def publish(user, activity, poster \\ &@httpoison.post/4)
+
+ @doc """
+ Publishes an activity to remote accounts
+ """
+ @spec publish(User.t(), Pleroma.Activity.t(), Pleroma.HTTP.t()) :: none
+ def publish(user, activity, poster \\ &@httpoison.post/3)
def publish(%{info: %{keys: keys}} = user, %{data: %{"type" => type}} = activity, poster)
when type in @supported_activities do
{:ok, private, _} = keys_from_pem(keys)
{:ok, feed} = encode(private, feed)
- remote_users(activity)
+ remote_users = remote_users(activity)
+
+ salmon_urls = Enum.map(remote_users, & &1.info.salmon)
+ reachable_urls_metadata = Instances.filter_reachable(salmon_urls)
+ reachable_urls = Map.keys(reachable_urls_metadata)
+
+ remote_users
+ |> Enum.filter(&(&1.info.salmon in reachable_urls))
|> Enum.each(fn remote_user ->
- Task.start(fn ->
- Logger.debug(fn -> "Sending Salmon to #{remote_user.ap_id}" end)
- send_to_user(remote_user, feed, poster)
- end)
+ Logger.debug(fn -> "Sending Salmon to #{remote_user.ap_id}" end)
+
+ Pleroma.Web.Federator.publish_single_salmon(%{
+ recipient: remote_user,
+ feed: feed,
+ poster: poster,
+ unreachable_since: reachable_urls_metadata[remote_user.info.salmon]
+ })
end)
end
end