fetcher: sign object fetches if configured

This commit is contained in:
Ariadne Conill 2019-07-17 22:41:42 +00:00
parent b2a8ccf37f
commit 399acd4c42

View file

@ -6,6 +6,8 @@ defmodule Pleroma.Object.Fetcher do
alias Pleroma.HTTP
alias Pleroma.Object
alias Pleroma.Object.Containment
alias Pleroma.Signature
alias Pleroma.Web.ActivityPub.InternalFetchActor
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.OStatus
@ -82,15 +84,52 @@ def fetch_object_from_id!(id, options \\ []) do
end
end
defp make_signature(id, date) do
uri = URI.parse(id)
signature =
InternalFetchActor.get_actor()
|> Signature.sign(%{
"(request-target)": "get #{uri.path}",
host: uri.host,
date: date
})
[{:Signature, signature}]
end
defp sign_fetch(headers, id, date) do
if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
headers ++ make_signature(id, date)
else
headers
end
end
defp maybe_date_fetch(headers, date) do
if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
headers ++ [{:Date, date}]
else
headers
end
end
def fetch_and_contain_remote_object_from_id(id) do
Logger.info("Fetching object #{id} via AP")
date =
NaiveDateTime.utc_now()
|> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
headers =
[{:Accept, "application/activity+json"}]
|> maybe_date_fetch(date)
|> sign_fetch(id, date)
Logger.debug("Fetch headers: #{inspect(headers)}")
with true <- String.starts_with?(id, "http"),
{:ok, %{body: body, status: code}} when code in 200..299 <-
HTTP.get(
id,
[{:Accept, "application/activity+json"}]
),
{:ok, %{body: body, status: code}} when code in 200..299 <- HTTP.get(id, headers),
{:ok, data} <- Jason.decode(body),
:ok <- Containment.contain_origin_from_id(id, data) do
{:ok, data}