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301 lines
9.3 KiB
Elixir
301 lines
9.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.ReverseProxyTest do
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use Pleroma.Web.ConnCase, async: true
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import ExUnit.CaptureLog
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import Mox
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alias Pleroma.ReverseProxy
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alias Pleroma.ReverseProxy.ClientMock
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setup_all do
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{:ok, _} = Registry.start_link(keys: :unique, name: Pleroma.ReverseProxy.ClientMock)
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:ok
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end
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setup :verify_on_exit!
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defp user_agent_mock(user_agent, invokes) do
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json = Jason.encode!(%{"user-agent": user_agent})
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ClientMock
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|> expect(:request, fn :get, url, _, _, _ ->
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Registry.register(Pleroma.ReverseProxy.ClientMock, url, 0)
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{:ok, 200,
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[
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{"content-type", "application/json"},
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{"content-length", byte_size(json) |> to_string()}
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], %{url: url}}
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end)
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|> expect(:stream_body, invokes, fn %{url: url} ->
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case Registry.lookup(Pleroma.ReverseProxy.ClientMock, url) do
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[{_, 0}] ->
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Registry.update_value(Pleroma.ReverseProxy.ClientMock, url, &(&1 + 1))
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{:ok, json}
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[{_, 1}] ->
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Registry.unregister(Pleroma.ReverseProxy.ClientMock, url)
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:done
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end
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end)
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end
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describe "user-agent" do
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test "don't keep", %{conn: conn} do
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user_agent_mock("hackney/1.15.1", 2)
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conn = ReverseProxy.call(conn, "/user-agent")
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assert json_response(conn, 200) == %{"user-agent" => "hackney/1.15.1"}
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end
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test "keep", %{conn: conn} do
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user_agent_mock(Pleroma.Application.user_agent(), 2)
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conn = ReverseProxy.call(conn, "/user-agent-keep", keep_user_agent: true)
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assert json_response(conn, 200) == %{"user-agent" => Pleroma.Application.user_agent()}
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end
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end
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test "closed connection", %{conn: conn} do
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ClientMock
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|> expect(:request, fn :get, "/closed", _, _, _ -> {:ok, 200, [], %{}} end)
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|> expect(:stream_body, fn _ -> {:error, :closed} end)
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|> expect(:close, fn _ -> :ok end)
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conn = ReverseProxy.call(conn, "/closed")
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assert conn.halted
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end
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describe "max_body " do
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test "length returns error if content-length more than option", %{conn: conn} do
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user_agent_mock("hackney/1.15.1", 0)
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assert capture_log(fn ->
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ReverseProxy.call(conn, "/user-agent", max_body_length: 4)
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end) =~
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"[error] Elixir.Pleroma.ReverseProxy: request to \"/user-agent\" failed: :body_too_large"
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end
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defp stream_mock(invokes, with_close? \\ false) do
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ClientMock
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|> expect(:request, fn :get, "/stream-bytes/" <> length, _, _, _ ->
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Registry.register(Pleroma.ReverseProxy.ClientMock, "/stream-bytes/" <> length, 0)
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{:ok, 200, [{"content-type", "application/octet-stream"}],
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%{url: "/stream-bytes/" <> length}}
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end)
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|> expect(:stream_body, invokes, fn %{url: "/stream-bytes/" <> length} ->
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max = String.to_integer(length)
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case Registry.lookup(Pleroma.ReverseProxy.ClientMock, "/stream-bytes/" <> length) do
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[{_, current}] when current < max ->
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Registry.update_value(
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Pleroma.ReverseProxy.ClientMock,
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"/stream-bytes/" <> length,
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&(&1 + 10)
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)
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{:ok, "0123456789"}
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[{_, ^max}] ->
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Registry.unregister(Pleroma.ReverseProxy.ClientMock, "/stream-bytes/" <> length)
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:done
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end
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end)
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if with_close? do
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expect(ClientMock, :close, fn _ -> :ok end)
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end
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end
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test "max_body_length returns error if streaming body more than that option", %{conn: conn} do
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stream_mock(3, true)
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assert capture_log(fn ->
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ReverseProxy.call(conn, "/stream-bytes/50", max_body_length: 30)
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end) =~
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"[warn] Elixir.Pleroma.ReverseProxy request to /stream-bytes/50 failed while reading/chunking: :body_too_large"
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end
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end
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describe "HEAD requests" do
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test "common", %{conn: conn} do
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ClientMock
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|> expect(:request, fn :head, "/head", _, _, _ ->
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{:ok, 200, [{"content-type", "text/html; charset=utf-8"}]}
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end)
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conn = ReverseProxy.call(Map.put(conn, :method, "HEAD"), "/head")
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assert html_response(conn, 200) == ""
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end
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end
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defp error_mock(status) when is_integer(status) do
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ClientMock
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|> expect(:request, fn :get, "/status/" <> _, _, _, _ ->
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{:error, status}
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end)
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end
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describe "returns error on" do
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test "500", %{conn: conn} do
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error_mock(500)
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capture_log(fn -> ReverseProxy.call(conn, "/status/500") end) =~
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"[error] Elixir.Pleroma.ReverseProxy: request to /status/500 failed with HTTP status 500"
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end
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test "400", %{conn: conn} do
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error_mock(400)
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capture_log(fn -> ReverseProxy.call(conn, "/status/400") end) =~
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"[error] Elixir.Pleroma.ReverseProxy: request to /status/400 failed with HTTP status 400"
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end
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test "204", %{conn: conn} do
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ClientMock
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|> expect(:request, fn :get, "/status/204", _, _, _ -> {:ok, 204, [], %{}} end)
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capture_log(fn ->
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conn = ReverseProxy.call(conn, "/status/204")
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assert conn.resp_body == "Request failed: No Content"
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assert conn.halted
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end) =~
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"[error] Elixir.Pleroma.ReverseProxy: request to \"/status/204\" failed with HTTP status 204"
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end
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end
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test "streaming", %{conn: conn} do
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stream_mock(21)
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conn = ReverseProxy.call(conn, "/stream-bytes/200")
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assert conn.state == :chunked
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assert byte_size(conn.resp_body) == 200
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assert Plug.Conn.get_resp_header(conn, "content-type") == ["application/octet-stream"]
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end
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defp headers_mock(_) do
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ClientMock
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|> expect(:request, fn :get, "/headers", headers, _, _ ->
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Registry.register(Pleroma.ReverseProxy.ClientMock, "/headers", 0)
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{:ok, 200, [{"content-type", "application/json"}], %{url: "/headers", headers: headers}}
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end)
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|> expect(:stream_body, 2, fn %{url: url, headers: headers} ->
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case Registry.lookup(Pleroma.ReverseProxy.ClientMock, url) do
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[{_, 0}] ->
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Registry.update_value(Pleroma.ReverseProxy.ClientMock, url, &(&1 + 1))
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headers = for {k, v} <- headers, into: %{}, do: {String.capitalize(k), v}
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{:ok, Jason.encode!(%{headers: headers})}
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[{_, 1}] ->
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Registry.unregister(Pleroma.ReverseProxy.ClientMock, url)
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:done
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end
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end)
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:ok
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end
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describe "keep request headers" do
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setup [:headers_mock]
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test "header passes", %{conn: conn} do
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conn =
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Plug.Conn.put_req_header(
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conn,
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"accept",
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"text/html"
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)
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|> ReverseProxy.call("/headers")
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%{"headers" => headers} = json_response(conn, 200)
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assert headers["Accept"] == "text/html"
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end
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test "header is filtered", %{conn: conn} do
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conn =
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Plug.Conn.put_req_header(
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conn,
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"accept-language",
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"en-US"
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)
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|> ReverseProxy.call("/headers")
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%{"headers" => headers} = json_response(conn, 200)
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refute headers["Accept-Language"]
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end
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end
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test "returns 400 on non GET, HEAD requests", %{conn: conn} do
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conn = ReverseProxy.call(Map.put(conn, :method, "POST"), "/ip")
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assert conn.status == 400
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end
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describe "cache resp headers" do
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test "returns headers", %{conn: conn} do
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ClientMock
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|> expect(:request, fn :get, "/cache/" <> ttl, _, _, _ ->
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{:ok, 200, [{"cache-control", "public, max-age=" <> ttl}], %{}}
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end)
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|> expect(:stream_body, fn _ -> :done end)
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conn = ReverseProxy.call(conn, "/cache/10")
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assert {"cache-control", "public, max-age=10"} in conn.resp_headers
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end
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test "add cache-control", %{conn: conn} do
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ClientMock
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|> expect(:request, fn :get, "/cache", _, _, _ ->
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{:ok, 200, [{"ETag", "some ETag"}], %{}}
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end)
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|> expect(:stream_body, fn _ -> :done end)
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conn = ReverseProxy.call(conn, "/cache")
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assert {"cache-control", "public"} in conn.resp_headers
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end
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end
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defp disposition_headers_mock(headers) do
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ClientMock
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|> expect(:request, fn :get, "/disposition", _, _, _ ->
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Registry.register(Pleroma.ReverseProxy.ClientMock, "/disposition", 0)
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{:ok, 200, headers, %{url: "/disposition"}}
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end)
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|> expect(:stream_body, 2, fn %{url: "/disposition"} ->
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case Registry.lookup(Pleroma.ReverseProxy.ClientMock, "/disposition") do
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[{_, 0}] ->
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Registry.update_value(Pleroma.ReverseProxy.ClientMock, "/disposition", &(&1 + 1))
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{:ok, ""}
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[{_, 1}] ->
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Registry.unregister(Pleroma.ReverseProxy.ClientMock, "/disposition")
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:done
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end
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end)
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end
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describe "response content disposition header" do
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test "not atachment", %{conn: conn} do
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disposition_headers_mock([
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{"content-type", "image/gif"},
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{"content-length", 0}
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])
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conn = ReverseProxy.call(conn, "/disposition")
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assert {"content-type", "image/gif"} in conn.resp_headers
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end
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test "with content-disposition header", %{conn: conn} do
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disposition_headers_mock([
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{"content-disposition", "attachment; filename=\"filename.jpg\""},
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{"content-length", 0}
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])
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conn = ReverseProxy.call(conn, "/disposition")
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assert {"content-disposition", "attachment; filename=\"filename.jpg\""} in conn.resp_headers
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end
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end
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end
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