extensions/common/csp_validator_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/common/csp_validator.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 using extensions::csp_validator::ContentSecurityPolicyIsLegal;
   9 using extensions::csp_validator::ContentSecurityPolicyIsSecure;
  10 using extensions::csp_validator::ContentSecurityPolicyIsSandboxed;
  11 using extensions::Manifest;
  12
  13 TEST(ExtensionCSPValidator, IsLegal) {
  14   EXPECT_TRUE(ContentSecurityPolicyIsLegal("foo"));
  15   EXPECT_TRUE(ContentSecurityPolicyIsLegal(
  16       "default-src 'self'; script-src http://www.google.com"));
  17   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
  18       "default-src 'self';\nscript-src http://www.google.com"));
  19   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
  20       "default-src 'self';\rscript-src http://www.google.com"));
  21   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
  22       "default-src 'self';,script-src http://www.google.com"));
  23 }
  24
  25 TEST(ExtensionCSPValidator, IsSecure) {
  26   EXPECT_FALSE(
  27       ContentSecurityPolicyIsSecure(std::string(), Manifest::TYPE_EXTENSION));
  28   EXPECT_FALSE(ContentSecurityPolicyIsSecure("img-src https://google.com",
  29                                              Manifest::TYPE_EXTENSION));
  30
  31   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  32       "default-src *", Manifest::TYPE_EXTENSION));
  33   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  34       "default-src 'self'", Manifest::TYPE_EXTENSION));
  35   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  36       "default-src 'none'", Manifest::TYPE_EXTENSION));
  37   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  38       "default-src 'self' ftp://google.com", Manifest::TYPE_EXTENSION));
  39   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  40       "default-src 'self' https://google.com", Manifest::TYPE_EXTENSION));
  41
  42   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  43       "default-src *; default-src 'self'", Manifest::TYPE_EXTENSION));
  44   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  45       "default-src 'self'; default-src *", Manifest::TYPE_EXTENSION));
  46   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  47       "default-src 'self'; default-src *; script-src *; script-src 'self'",
  48        Manifest::TYPE_EXTENSION));
  49   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  50       "default-src 'self'; default-src *; script-src 'self'; script-src *",
  51       Manifest::TYPE_EXTENSION));
  52
  53   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  54       "default-src *; script-src 'self'", Manifest::TYPE_EXTENSION));
  55   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  56       "default-src *; script-src 'self'; img-src 'self'",
  57       Manifest::TYPE_EXTENSION));
  58   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  59       "default-src *; script-src 'self'; object-src 'self'",
  60       Manifest::TYPE_EXTENSION));
  61   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  62       "script-src 'self'; object-src 'self'", Manifest::TYPE_EXTENSION));
  63   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  64       "default-src 'unsafe-eval'", Manifest::TYPE_EXTENSION));
  65   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  66       "default-src 'unsafe-eval'", Manifest::TYPE_LEGACY_PACKAGED_APP));
  67
  68   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  69       "default-src 'unsafe-eval'", Manifest::TYPE_PLATFORM_APP));
  70   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  71       "default-src 'unsafe-inline'", Manifest::TYPE_EXTENSION));
  72   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  73       "default-src 'unsafe-inline' 'none'", Manifest::TYPE_EXTENSION));
  74   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  75       "default-src 'self' http://google.com", Manifest::TYPE_EXTENSION));
  76   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  77       "default-src 'self' https://google.com", Manifest::TYPE_EXTENSION));
  78   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  79       "default-src 'self' chrome://resources", Manifest::TYPE_EXTENSION));
  80   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  81       "default-src 'self' chrome-extension://aabbcc",
  82       Manifest::TYPE_EXTENSION));
  83   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
  84      "default-src 'self' chrome-extension-resource://aabbcc",
  85      Manifest::TYPE_EXTENSION));
  86   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  87       "default-src 'self' https:", Manifest::TYPE_EXTENSION));
  88   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  89       "default-src 'self' http:", Manifest::TYPE_EXTENSION));
  90   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  91       "default-src 'self' google.com", Manifest::TYPE_EXTENSION));
  92
  93   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  94       "default-src 'self' *", Manifest::TYPE_EXTENSION));
  95   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  96       "default-src 'self' *:*", Manifest::TYPE_EXTENSION));
  97   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
  98       "default-src 'self' *:*/", Manifest::TYPE_EXTENSION));
  99   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 100       "default-src 'self' *:*/path", Manifest::TYPE_EXTENSION));
 101   // "https://" is an invalid CSP, so it will be ignored by Blink.
 102   // TODO(robwu): Change to EXPECT_FALSE once http://crbug.com/434773 is fixed.
 103   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 104       "default-src 'self' https://", Manifest::TYPE_EXTENSION));
 105   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 106       "default-src 'self' https://*:*", Manifest::TYPE_EXTENSION));
 107   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 108       "default-src 'self' https://*:*/", Manifest::TYPE_EXTENSION));
 109   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 110       "default-src 'self' https://*:*/path", Manifest::TYPE_EXTENSION));
 111   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 112       "default-src 'self' https://*.com", Manifest::TYPE_EXTENSION));
 113   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 114       "default-src 'self' https://*.*.google.com/", Manifest::TYPE_EXTENSION));
 115   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 116       "default-src 'self' https://*.*.google.com:*/",
 117       Manifest::TYPE_EXTENSION));
 118   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 119       "default-src 'self' https://www.*.google.com/",
 120       Manifest::TYPE_EXTENSION));
 121   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 122       "default-src 'self' https://www.*.google.com:*/",
 123       Manifest::TYPE_EXTENSION));
 124   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 125       "default-src 'self' chrome://*", Manifest::TYPE_EXTENSION));
 126   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 127       "default-src 'self' chrome-extension://*", Manifest::TYPE_EXTENSION));
 128
 129   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 130       "default-src 'self' https://*.google.com", Manifest::TYPE_EXTENSION));
 131   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 132       "default-src 'self' https://*.google.com:1", Manifest::TYPE_EXTENSION));
 133   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 134       "default-src 'self' https://*.google.com:*", Manifest::TYPE_EXTENSION));
 135   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 136       "default-src 'self' https://*.google.com:1/", Manifest::TYPE_EXTENSION));
 137   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 138       "default-src 'self' https://*.google.com:*/", Manifest::TYPE_EXTENSION));
 139
 140   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 141       "default-src 'self' http://127.0.0.1", Manifest::TYPE_EXTENSION));
 142   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 143       "default-src 'self' http://localhost", Manifest::TYPE_EXTENSION));
 144   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 145       "default-src 'self' http://lOcAlHoSt", Manifest::TYPE_EXTENSION));
 146   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 147       "default-src 'self' http://127.0.0.1:9999", Manifest::TYPE_EXTENSION));
 148   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 149       "default-src 'self' http://localhost:8888", Manifest::TYPE_EXTENSION));
 150   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 151       "default-src 'self' http://127.0.0.1.example.com",
 152       Manifest::TYPE_EXTENSION));
 153   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 154       "default-src 'self' http://localhost.example.com",
 155       Manifest::TYPE_EXTENSION));
 156
 157   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 158       "default-src 'self' blob:", Manifest::TYPE_EXTENSION));
 159   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 160       "default-src 'self' blob:http://example.com/XXX",
 161       Manifest::TYPE_EXTENSION));
 162   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 163       "default-src 'self' filesystem:", Manifest::TYPE_EXTENSION));
 164   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
 165       "default-src 'self' filesystem:http://example.com/XXX",
 166       Manifest::TYPE_EXTENSION));
 167
 168   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 169       "default-src 'self' https://*.googleapis.com", Manifest::TYPE_EXTENSION));
 170   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 171       "default-src 'self' https://x.googleapis.com", Manifest::TYPE_EXTENSION));
 172   // "chrome-extension://" is an invalid CSP and ignored by Blink, but extension
 173   // authors have been using this string anyway, so we cannot refuse this string
 174   // until extensions can be loaded with an invalid CSP. http://crbug.com/434773
 175   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
 176      "default-src 'self' chrome-extension://", Manifest::TYPE_EXTENSION));
 177 }
 178
 179 TEST(ExtensionCSPValidator, IsSandboxed) {
 180   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(std::string(),
 181                                                 Manifest::TYPE_EXTENSION));
 182   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed("img-src https://google.com",
 183                                                 Manifest::TYPE_EXTENSION));
 184
 185   // Sandbox directive is required.
 186   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 187       "sandbox", Manifest::TYPE_EXTENSION));
 188
 189   // Additional sandbox tokens are OK.
 190   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 191       "sandbox allow-scripts", Manifest::TYPE_EXTENSION));
 192   // Except for allow-same-origin.
 193   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
 194       "sandbox allow-same-origin", Manifest::TYPE_EXTENSION));
 195
 196   // Additional directives are OK.
 197   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 198       "sandbox; img-src https://google.com", Manifest::TYPE_EXTENSION));
 199
 200   // Extensions allow navigation, platform apps don't.
 201   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 202       "sandbox allow-top-navigation", Manifest::TYPE_EXTENSION));
 203   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
 204       "sandbox allow-top-navigation", Manifest::TYPE_PLATFORM_APP));
 205
 206   // Popups are OK.
 207   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 208       "sandbox allow-popups", Manifest::TYPE_EXTENSION));
 209   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
 210       "sandbox allow-popups", Manifest::TYPE_PLATFORM_APP));
 211 }