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![Dan Brown](/assets/img/avatar_default.png)
- Prevents authenticated responses being visible when back button pressed in browser. - Previously, 'no-cache, private' was added by default by Symfony which would have prevents proxy cache issues but this adds no-store and a max-age option to also invalidate all caching. Thanks to @haxatron via huntr.dev Ref: https://huntr.dev/bounties/6cda9df9-4987-4e1c-b48f-855b6901ef53/
143 lines
4.8 KiB
PHP
143 lines
4.8 KiB
PHP
<?php
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namespace Tests;
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use BookStack\Util\CspService;
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class SecurityHeaderTest extends TestCase
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{
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public function test_cookies_samesite_lax_by_default()
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{
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$resp = $this->get('/');
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foreach ($resp->headers->getCookies() as $cookie) {
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$this->assertEquals('lax', $cookie->getSameSite());
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}
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}
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public function test_cookies_samesite_none_when_iframe_hosts_set()
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{
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$this->runWithEnv('ALLOWED_IFRAME_HOSTS', 'http://example.com', function () {
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$resp = $this->get('/');
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foreach ($resp->headers->getCookies() as $cookie) {
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$this->assertEquals('none', $cookie->getSameSite());
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}
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});
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}
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public function test_secure_cookies_controlled_by_app_url()
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{
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$this->runWithEnv('APP_URL', 'http://example.com', function () {
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$resp = $this->get('/');
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foreach ($resp->headers->getCookies() as $cookie) {
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$this->assertFalse($cookie->isSecure());
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}
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});
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$this->runWithEnv('APP_URL', 'https://example.com', function () {
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$resp = $this->get('/');
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foreach ($resp->headers->getCookies() as $cookie) {
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$this->assertTrue($cookie->isSecure());
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}
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});
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}
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public function test_iframe_csp_self_only_by_default()
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{
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$resp = $this->get('/');
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$frameHeader = $this->getCspHeader($resp, 'frame-ancestors');
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$this->assertEquals('frame-ancestors \'self\'', $frameHeader);
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}
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public function test_iframe_csp_includes_extra_hosts_if_configured()
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{
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$this->runWithEnv('ALLOWED_IFRAME_HOSTS', 'https://a.example.com https://b.example.com', function () {
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$resp = $this->get('/');
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$frameHeader = $this->getCspHeader($resp, 'frame-ancestors');
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$this->assertNotEmpty($frameHeader);
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$this->assertEquals('frame-ancestors \'self\' https://a.example.com https://b.example.com', $frameHeader);
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});
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}
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public function test_script_csp_set_on_responses()
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{
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$resp = $this->get('/');
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$scriptHeader = $this->getCspHeader($resp, 'script-src');
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$this->assertStringContainsString('\'strict-dynamic\'', $scriptHeader);
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$this->assertStringContainsString('\'nonce-', $scriptHeader);
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}
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public function test_script_csp_nonce_matches_nonce_used_in_custom_head()
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{
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$this->setSettings(['app-custom-head' => '<script>console.log("cat");</script>']);
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$resp = $this->get('/login');
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$scriptHeader = $this->getCspHeader($resp, 'script-src');
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$nonce = app()->make(CspService::class)->getNonce();
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$this->assertStringContainsString('nonce-' . $nonce, $scriptHeader);
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$resp->assertSee('<script nonce="' . $nonce . '">console.log("cat");</script>');
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}
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public function test_script_csp_nonce_changes_per_request()
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{
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$resp = $this->get('/');
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$firstHeader = $this->getCspHeader($resp, 'script-src');
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$this->refreshApplication();
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$resp = $this->get('/');
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$secondHeader = $this->getCspHeader($resp, 'script-src');
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$this->assertNotEquals($firstHeader, $secondHeader);
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}
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public function test_allow_content_scripts_settings_controls_csp_script_headers()
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{
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config()->set('app.allow_content_scripts', true);
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$resp = $this->get('/');
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$scriptHeader = $this->getCspHeader($resp, 'script-src');
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$this->assertEmpty($scriptHeader);
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config()->set('app.allow_content_scripts', false);
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$resp = $this->get('/');
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$scriptHeader = $this->getCspHeader($resp, 'script-src');
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$this->assertNotEmpty($scriptHeader);
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}
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public function test_object_src_csp_header_set()
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{
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$resp = $this->get('/');
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$scriptHeader = $this->getCspHeader($resp, 'object-src');
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$this->assertEquals('object-src \'self\'', $scriptHeader);
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}
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public function test_base_uri_csp_header_set()
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{
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$resp = $this->get('/');
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$scriptHeader = $this->getCspHeader($resp, 'base-uri');
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$this->assertEquals('base-uri \'self\'', $scriptHeader);
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}
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public function test_cache_control_headers_are_strict_on_responses_when_logged_in()
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{
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$this->asEditor();
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$resp = $this->get('/');
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$resp->assertHeader('Cache-Control', 'max-age=0, no-store, private');
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$resp->assertHeader('Pragma', 'no-cache');
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$resp->assertHeader('Expires', 'Sun, 12 Jul 2015 19:01:00 GMT');
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}
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/**
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* Get the value of the first CSP header of the given type.
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*/
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protected function getCspHeader(TestResponse $resp, string $type): string
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{
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$cspHeaders = collect($resp->headers->all('Content-Security-Policy'));
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return $cspHeaders->filter(function ($val) use ($type) {
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return strpos($val, $type) === 0;
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})->first() ?? '';
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}
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}
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