From 8f38dc2e7f9dc7272c6882fff369be5e43dc711a Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Wed, 23 Aug 2023 14:32:27 +0200
Subject: [feature] Add rate limit exceptions option, use ISO8601 for rate
 limit reset (#2151)

* start updating rate limiting, add exceptions

* tests, comments, tidying up

* add rate limiting exceptions to example config

* envparsing

* nolint

* apply kimbediff

* add examples
---
 internal/middleware/contentsecuritypolicy_test.go | 75 +++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 internal/middleware/contentsecuritypolicy_test.go

(limited to 'internal/middleware/contentsecuritypolicy_test.go')

diff --git a/internal/middleware/contentsecuritypolicy_test.go b/internal/middleware/contentsecuritypolicy_test.go
new file mode 100644
index 000000000..fad05931b
--- /dev/null
+++ b/internal/middleware/contentsecuritypolicy_test.go
@@ -0,0 +1,75 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package middleware_test
+
+import (
+	"testing"
+
+	"github.com/superseriousbusiness/gotosocial/internal/middleware"
+)
+
+func TestBuildContentSecurityPolicy(t *testing.T) {
+	type cspTest struct {
+		extraURLs []string
+		expected  string
+	}
+
+	for _, test := range []cspTest{
+		{
+			extraURLs: nil,
+			expected:  "default-src 'self'; object-src 'none'; img-src 'self' blob:; media-src 'self'",
+		},
+		{
+			extraURLs: []string{
+				"https://some-bucket-provider.com",
+			},
+			expected: "default-src 'self'; object-src 'none'; img-src 'self' blob: https://some-bucket-provider.com; media-src 'self' https://some-bucket-provider.com",
+		},
+		{
+			extraURLs: []string{
+				"https://some-bucket-provider.com:6969",
+			},
+			expected: "default-src 'self'; object-src 'none'; img-src 'self' blob: https://some-bucket-provider.com:6969; media-src 'self' https://some-bucket-provider.com:6969",
+		},
+		{
+			extraURLs: []string{
+				"http://some-bucket-provider.com:6969",
+			},
+			expected: "default-src 'self'; object-src 'none'; img-src 'self' blob: http://some-bucket-provider.com:6969; media-src 'self' http://some-bucket-provider.com:6969",
+		},
+		{
+			extraURLs: []string{
+				"https://s3.nl-ams.scw.cloud",
+			},
+			expected: "default-src 'self'; object-src 'none'; img-src 'self' blob: https://s3.nl-ams.scw.cloud; media-src 'self' https://s3.nl-ams.scw.cloud",
+		},
+		{
+			extraURLs: []string{
+				"https://s3.nl-ams.scw.cloud",
+				"https://s3.somewhere.else.example.org",
+			},
+			expected: "default-src 'self'; object-src 'none'; img-src 'self' blob: https://s3.nl-ams.scw.cloud https://s3.somewhere.else.example.org; media-src 'self' https://s3.nl-ams.scw.cloud https://s3.somewhere.else.example.org",
+		},
+	} {
+		csp := middleware.BuildContentSecurityPolicy(test.extraURLs...)
+		if csp != test.expected {
+			t.Logf("expected '%s', got '%s'", test.expected, csp)
+			t.Fail()
+		}
+	}
+}
-- 
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