Add sanbdoxed_pages to allow extension/app pages to be served in a sandboxed, unique origin

chrome/common/extensions/csp_validator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/extensions/csp_validator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::csp_validator::ContentSecurityPolicyIsLegal;
 using extensions::csp_validator::ContentSecurityPolicyIsSecure;
+using extensions::csp_validator::ContentSecurityPolicyIsSandboxed;
+using extensions::Extension;
 
 TEST(ExtensionCSPValidator, IsLegal) {
   EXPECT_TRUE(ContentSecurityPolicyIsLegal("foo"));
   EXPECT_TRUE(ContentSecurityPolicyIsLegal(
       "default-src 'self'; script-src http://www.google.com"));
   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
       "default-src 'self';\nscript-src http://www.google.com"));
   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
       "default-src 'self';\rscript-src http://www.google.com"));
 }
@@ skipping 48 matching lines @@
       "default-src 'self' http:"));
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src 'self' https://*"));
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src 'self' *"));
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src 'self' google.com"));
   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
       "default-src 'self' https://*.google.com"));
 }
+
+TEST(ExtensionCSPValidator, IsSandboxed) {
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed("", Extension::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
+      "img-src https://google.com", Extension::TYPE_EXTENSION));
+
+  // Sandbox directive is required.
+  EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
+      "sandbox", Extension::TYPE_EXTENSION));
+
+  // Additional sandbox tokens are OK.
+  EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-scripts", Extension::TYPE_EXTENSION));
+  // Except for allow-same-origin.
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-same-origin", Extension::TYPE_EXTENSION));
+
+  // Additional directives are OK.
+  EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
+      "sandbox; img-src https://google.com", Extension::TYPE_EXTENSION));
+
+  // Extensions allow navigation and popups, platform apps don't.
+  EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-top-navigation", Extension::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-top-navigation", Extension::TYPE_PLATFORM_APP));
+  EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-popups", Extension::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
+      "sandbox allow-popups", Extension::TYPE_PLATFORM_APP));
+}