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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Plugs.HTTPSecurityPlugTest do
use Pleroma.Web.ConnCase
alias Pleroma.Config
alias Plug.Conn
describe "http security enabled" do
setup do: clear_config([:http_security, :enabled], true)
test "it sends CSP headers when enabled", %{conn: conn} do
conn = get(conn, "/api/v1/instance")
refute Conn.get_resp_header(conn, "x-xss-protection") == []
refute Conn.get_resp_header(conn, "x-permitted-cross-domain-policies") == []
refute Conn.get_resp_header(conn, "x-frame-options") == []
refute Conn.get_resp_header(conn, "x-content-type-options") == []
refute Conn.get_resp_header(conn, "x-download-options") == []
refute Conn.get_resp_header(conn, "referrer-policy") == []
refute Conn.get_resp_header(conn, "content-security-policy") == []
end
test "it sends STS headers when enabled", %{conn: conn} do
clear_config([:http_security, :sts], true)
conn = get(conn, "/api/v1/instance")
refute Conn.get_resp_header(conn, "strict-transport-security") == []
refute Conn.get_resp_header(conn, "expect-ct") == []
end
test "it does not send STS headers when disabled", %{conn: conn} do
clear_config([:http_security, :sts], false)
conn = get(conn, "/api/v1/instance")
assert Conn.get_resp_header(conn, "strict-transport-security") == []
assert Conn.get_resp_header(conn, "expect-ct") == []
end
test "referrer-policy header reflects configured value", %{conn: conn} do
resp = get(conn, "/api/v1/instance")
assert Conn.get_resp_header(resp, "referrer-policy") == ["same-origin"]
clear_config([:http_security, :referrer_policy], "no-referrer")
resp = get(conn, "/api/v1/instance")
assert Conn.get_resp_header(resp, "referrer-policy") == ["no-referrer"]
end
test "it sends `report-to` & `report-uri` CSP response headers", %{conn: conn} do
conn = get(conn, "/api/v1/instance")
[csp] = Conn.get_resp_header(conn, "content-security-policy")
assert csp =~ ~r|report-uri https://endpoint.com;report-to csp-endpoint;|
[reply_to] = Conn.get_resp_header(conn, "reply-to")
assert reply_to ==
"{\"endpoints\":[{\"url\":\"https://endpoint.com\"}],\"group\":\"csp-endpoint\",\"max-age\":10886400}"
end
test "default values for img-src and media-src with disabled media proxy", %{conn: conn} do
conn = get(conn, "/api/v1/instance")
[csp] = Conn.get_resp_header(conn, "content-security-policy")
assert csp =~ "media-src 'self' https:;"
assert csp =~ "img-src 'self' data: blob: https:;"
end
end
describe "img-src and media-src" do
setup do
clear_config([:http_security, :enabled], true)
clear_config([:media_proxy, :enabled], true)
clear_config([:media_proxy, :proxy_opts, :redirect_on_failure], false)
end
test "media_proxy with base_url", %{conn: conn} do
url = "https://example.com"
clear_config([:media_proxy, :base_url], url)
assert_media_img_src(conn, url)
end
test "upload with base url", %{conn: conn} do
url = "https://example2.com"
clear_config([Pleroma.Upload, :base_url], url)
assert_media_img_src(conn, url)
end
test "with S3 public endpoint", %{conn: conn} do
url = "https://example3.com"
clear_config([Pleroma.Uploaders.S3, :public_endpoint], url)
assert_media_img_src(conn, url)
end
test "with captcha endpoint", %{conn: conn} do
clear_config([Pleroma.Captcha.Mock, :endpoint], "https://captcha.com")
assert_media_img_src(conn, "https://captcha.com")
end
test "with media_proxy whitelist", %{conn: conn} do
clear_config([:media_proxy, :whitelist], ["https://example6.com", "https://example7.com"])
assert_media_img_src(conn, "https://example7.com https://example6.com")
end
# TODO: delete after removing support bare domains for media proxy whitelist
test "with media_proxy bare domains whitelist (deprecated)", %{conn: conn} do
clear_config([:media_proxy, :whitelist], ["example4.com", "example5.com"])
assert_media_img_src(conn, "example5.com example4.com")
end
end
defp assert_media_img_src(conn, url) do
conn = get(conn, "/api/v1/instance")
[csp] = Conn.get_resp_header(conn, "content-security-policy")
assert csp =~ "media-src 'self' #{url};"
assert csp =~ "img-src 'self' data: blob: #{url};"
end
test "it does not send CSP headers when disabled", %{conn: conn} do
clear_config([:http_security, :enabled], false)
conn = get(conn, "/api/v1/instance")
assert Conn.get_resp_header(conn, "x-xss-protection") == []
assert Conn.get_resp_header(conn, "x-permitted-cross-domain-policies") == []
assert Conn.get_resp_header(conn, "x-frame-options") == []
assert Conn.get_resp_header(conn, "x-content-type-options") == []
assert Conn.get_resp_header(conn, "x-download-options") == []
assert Conn.get_resp_header(conn, "referrer-policy") == []
assert Conn.get_resp_header(conn, "content-security-policy") == []
end
end
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