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|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.ReverseProxyTest do
use Pleroma.Web.ConnCase
import ExUnit.CaptureLog
import Mox
alias Pleroma.ReverseProxy
alias Plug.Conn
describe "reverse proxy" do
test "do not track successful request", %{conn: conn} do
url = "/success"
Tesla.Mock.mock(fn %{url: ^url} ->
%Tesla.Env{
status: 200,
body: ""
}
end)
conn = ReverseProxy.call(conn, url)
assert conn.status == 200
assert Cachex.get(:failed_proxy_url_cache, url) == {:ok, nil}
end
test "use Pleroma's user agent in the request; don't pass the client's", %{conn: conn} do
wanted_headers = [{"user-agent", Pleroma.Application.user_agent()}]
Tesla.Mock.mock(fn %{url: "/user-agent", headers: ^wanted_headers} ->
%Tesla.Env{
status: 200,
body: ""
}
end)
conn =
conn
|> Plug.Conn.put_req_header("user-agent", "fake/1.0")
|> ReverseProxy.call("/user-agent")
assert response(conn, 200)
end
test "closed connection", %{conn: conn} do
ClientMock
|> expect(:request, fn :get, "/closed", _, _, _ -> {:ok, 200, [], %{}} end)
|> expect(:stream_body, fn _ -> {:error, :closed} end)
|> expect(:close, fn _ -> :ok end)
conn = ReverseProxy.call(conn, "/closed")
assert conn.halted
end
end
describe "max_body" do
test "length returns error if content-length more than option", %{conn: conn} do
assert capture_log(fn ->
ReverseProxy.call(conn, "/huge-file", max_body_length: 4)
end) =~
"[error] Elixir.Pleroma.ReverseProxy: request to \"/huge-file\" failed: :body_too_large"
assert {:ok, true} == Cachex.get(:failed_proxy_url_cache, "/huge-file")
assert capture_log(fn ->
ReverseProxy.call(conn, "/huge-file", max_body_length: 4)
end) == ""
end
end
describe "HEAD requests" do
test "common", %{conn: conn} do
ClientMock
|> expect(:request, fn :head, "/head", _, _, _ ->
{:ok, 200, [{"content-type", "text/html; charset=utf-8"}]}
end)
conn = ReverseProxy.call(Map.put(conn, :method, "HEAD"), "/head")
assert html_response(conn, 200) == ""
end
end
describe "returns error on" do
test "500", %{conn: conn} do
url = "/status/500"
capture_log(fn -> ReverseProxy.call(conn, url) end) =~
"[error] Elixir.Pleroma.ReverseProxy: request to /status/500 failed with HTTP status 500"
assert Cachex.get(:failed_proxy_url_cache, url) == {:ok, true}
{:ok, ttl} = Cachex.ttl(:failed_proxy_url_cache, url)
assert ttl <= 60_000
end
test "400", %{conn: conn} do
url = "/status/400"
capture_log(fn -> ReverseProxy.call(conn, url) end) =~
"[error] Elixir.Pleroma.ReverseProxy: request to /status/400 failed with HTTP status 400"
assert Cachex.get(:failed_proxy_url_cache, url) == {:ok, true}
assert Cachex.ttl(:failed_proxy_url_cache, url) == {:ok, nil}
end
test "403", %{conn: conn} do
url = "/status/403"
capture_log(fn ->
ReverseProxy.call(conn, url, failed_request_ttl: :timer.seconds(120))
end) =~
"[error] Elixir.Pleroma.ReverseProxy: request to /status/403 failed with HTTP status 403"
{:ok, ttl} = Cachex.ttl(:failed_proxy_url_cache, url)
assert ttl > 100_000
end
end
describe "keep request headers" do
# setup [:headers_mock]
test "header passes", %{conn: conn} do
conn =
Conn.put_req_header(
conn,
"accept",
"text/html"
)
|> ReverseProxy.call("/headers")
%{"headers" => headers} = json_response(conn, 200)
assert headers["Accept"] == "text/html"
end
test "header is filtered", %{conn: conn} do
conn =
Conn.put_req_header(
conn,
"accept-language",
"en-US"
)
|> ReverseProxy.call("/headers")
%{"headers" => headers} = json_response(conn, 200)
refute headers["Accept-Language"]
end
end
test "returns 400 on non GET, HEAD requests", %{conn: conn} do
conn = ReverseProxy.call(Map.put(conn, :method, "POST"), "/ip")
assert conn.status == 400
end
describe "cache resp headers" do
test "add cache-control", %{conn: conn} do
ClientMock
|> expect(:request, fn :get, "/cache", _, _, _ ->
{:ok, 200, [{"ETag", "some ETag"}], %{}}
end)
|> expect(:stream_body, fn _ -> :done end)
conn = ReverseProxy.call(conn, "/cache")
assert {"cache-control", "public, max-age=1209600"} in conn.resp_headers
end
end
describe "response content disposition header" do
test "not atachment", %{conn: conn} do
# disposition_headers_mock([
# {"content-type", "image/gif"},
# {"content-length", "0"}
# ])
conn = ReverseProxy.call(conn, "/disposition")
assert {"content-type", "image/gif"} in conn.resp_headers
end
test "with content-disposition header", %{conn: conn} do
# disposition_headers_mock([
# {"content-disposition", "attachment; filename=\"filename.jpg\""},
# {"content-length", "0"}
# ])
conn = ReverseProxy.call(conn, "/disposition")
assert {"content-disposition", "attachment; filename=\"filename.jpg\""} in conn.resp_headers
end
end
end
|
