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98cb255d12
OTP builds to 1.15
Changelog entry
Ensure policies are fully loaded
Fix :warn
use main branch for linkify
Fix warn in tests
Migrations for phoenix 1.17
Revert "Migrations for phoenix 1.17"
This reverts commit 6a3b2f15b7
.
Oban upgrade
Add default empty whitelist
mix format
limit test to amd64
OTP 26 tests for 1.15
use OTP_VERSION tag
baka
just 1.15
Massive deps update
Update locale, deps
Mix format
shell????
multiline???
?
max cases 1
use assert_recieve
don't put_env in async tests
don't async conn/fs tests
mix format
FIx some uploader issues
Fix tests
128 lines
3.7 KiB
Elixir
128 lines
3.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
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import Plug.Conn
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import Phoenix.Controller, only: [get_format: 1]
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alias Pleroma.Activity
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alias Pleroma.Web.Router
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alias Pleroma.Signature
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alias Pleroma.Instances
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require Logger
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@cachex Pleroma.Config.get([:cachex, :provider], Cachex)
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def init(options) do
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options
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end
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def call(%{assigns: %{valid_signature: true}} = conn, _opts) do
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conn
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end
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def call(conn, _opts) do
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if get_format(conn) in ["json", "activity+json"] do
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conn
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|> maybe_assign_valid_signature()
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|> maybe_require_signature()
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else
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conn
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end
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end
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def route_aliases(%{path_info: ["objects", id], query_string: query_string}) do
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ap_id = Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :object, id)
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with %Activity{} = activity <- Activity.get_by_object_ap_id_with_object(ap_id) do
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["/notice/#{activity.id}", "/notice/#{activity.id}?#{query_string}"]
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else
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_ -> []
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end
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end
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def route_aliases(_), do: []
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defp assign_valid_signature_on_route_aliases(conn, []), do: conn
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defp assign_valid_signature_on_route_aliases(%{assigns: %{valid_signature: true}} = conn, _),
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do: conn
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defp assign_valid_signature_on_route_aliases(conn, [path | rest]) do
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request_target = String.downcase("#{conn.method}") <> " #{path}"
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conn =
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conn
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|> put_req_header("(request-target)", request_target)
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|> case do
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%{assigns: %{digest: digest}} = conn -> put_req_header(conn, "digest", digest)
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conn -> conn
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end
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conn
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|> assign(:valid_signature, HTTPSignatures.validate_conn(conn))
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|> assign(:signature_actor_id, signature_host(conn))
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|> assign_valid_signature_on_route_aliases(rest)
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end
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defp maybe_assign_valid_signature(conn) do
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if has_signature_header?(conn) do
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# set (request-target) header to the appropriate value
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# we also replace the digest header with the one we computed
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possible_paths =
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route_aliases(conn) ++ [conn.request_path, conn.request_path <> "?#{conn.query_string}"]
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assign_valid_signature_on_route_aliases(conn, possible_paths)
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else
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Logger.debug("No signature header!")
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conn
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end
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end
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defp has_signature_header?(conn) do
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conn |> get_req_header("signature") |> Enum.at(0, false)
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end
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defp maybe_require_signature(
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%{assigns: %{valid_signature: true, signature_actor_id: actor_id}} = conn
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) do
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# inboxes implicitly need http signatures for authentication
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# so we don't really know if the instance will have broken federation after
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# we turn on authorized_fetch_mode.
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#
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# to "check" this is a signed fetch, verify if method is GET
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if conn.method == "GET" do
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actor_host = URI.parse(actor_id).host
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case @cachex.get(:request_signatures_cache, actor_host) do
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{:ok, nil} ->
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Logger.debug("Successful signature from #{actor_host}")
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Instances.set_request_signatures(actor_host)
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@cachex.put(:request_signatures_cache, actor_host, true)
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{:ok, true} ->
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:noop
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any ->
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Logger.warning(
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"expected request signature cache to return a boolean, instead got #{inspect(any)}"
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)
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end
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end
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conn
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end
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defp maybe_require_signature(conn), do: conn
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defp signature_host(conn) do
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with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
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{:ok, actor_id} <- Signature.key_id_to_actor_id(kid) do
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actor_id
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else
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e ->
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{:error, e}
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end
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end
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end
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