1 files changed, 79 insertions, 0 deletions
diff --git a/test/plugs/http_security_plug_test.exs b/test/plugs/http_security_plug_test.exs
new file mode 100644
index 000000000..169c3b3a8
--- /dev/null
+++ b/test/plugs/http_security_plug_test.exs
@@ -0,0 +1,79 @@
+defmodule Pleroma.Web.Plugs.HTTPSecurityPlugTest do
+  use Pleroma.Web.ConnCase
+  alias Pleroma.Config
+  alias Plug.Conn
+
+  test "it sends CSP headers when enabled", %{conn: conn} do
+    Config.put([:http_security, :enabled], true)
+
+    conn =
+      conn
+      |> get("/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 does not send CSP headers when disabled", %{conn: conn} do
+    Config.put([:http_security, :enabled], false)
+
+    conn =
+      conn
+      |> get("/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
+
+  test "it sends STS headers when enabled", %{conn: conn} do
+    Config.put([:http_security, :enabled], true)
+    Config.put([:http_security, :sts], true)
+
+    conn =
+      conn
+      |> get("/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
+    Config.put([:http_security, :enabled], true)
+    Config.put([:http_security, :sts], false)
+
+    conn =
+      conn
+      |> get("/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
+    Config.put([:http_security, :enabled], true)
+
+    conn =
+      conn
+      |> get("/api/v1/instance")
+
+    assert Conn.get_resp_header(conn, "referrer-policy") == ["same-origin"]
+
+    Config.put([:http_security, :referrer_policy], "no-referrer")
+
+    conn =
+      build_conn()
+      |> get("/api/v1/instance")
+
+    assert Conn.get_resp_header(conn, "referrer-policy") == ["no-referrer"]
+  end
+end