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      1 // Copyright (c) 2012 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 "base/bind.h"
      6 #include "base/callback.h"
      7 #include "base/command_line.h"
      8 #include "base/memory/ref_counted.h"
      9 #include "base/message_loop/message_loop.h"
     10 #include "chrome/browser/prefs/browser_prefs.h"
     11 #include "chrome/browser/prefs/pref_service_mock_factory.h"
     12 #include "chrome/browser/prefs/pref_service_syncable.h"
     13 #include "chrome/browser/prefs/proxy_config_dictionary.h"
     14 #include "chrome/browser/prefs/proxy_prefs.h"
     15 #include "chrome/common/chrome_switches.h"
     16 #include "chrome/common/pref_names.h"
     17 #include "components/policy/core/common/external_data_fetcher.h"
     18 #include "components/policy/core/common/mock_configuration_policy_provider.h"
     19 #include "components/policy/core/common/policy_map.h"
     20 #include "components/policy/core/common/policy_service_impl.h"
     21 #include "components/pref_registry/pref_registry_syncable.h"
     22 #include "policy/policy_constants.h"
     23 #include "testing/gtest/include/gtest/gtest.h"
     24 
     25 using ::testing::Return;
     26 using ::testing::_;
     27 
     28 namespace policy {
     29 
     30 namespace {
     31 
     32 void assertProxyMode(const ProxyConfigDictionary& dict,
     33                      ProxyPrefs::ProxyMode expected_mode) {
     34   ProxyPrefs::ProxyMode actual_mode;
     35   ASSERT_TRUE(dict.GetMode(&actual_mode));
     36   EXPECT_EQ(expected_mode, actual_mode);
     37 }
     38 
     39 void assertProxyServer(const ProxyConfigDictionary& dict,
     40                        const std::string& expected) {
     41   std::string actual;
     42   if (!expected.empty()) {
     43     ASSERT_TRUE(dict.GetProxyServer(&actual));
     44     EXPECT_EQ(expected, actual);
     45   } else {
     46     EXPECT_FALSE(dict.GetProxyServer(&actual));
     47   }
     48 }
     49 
     50 void assertPacUrl(const ProxyConfigDictionary& dict,
     51                   const std::string& expected) {
     52   std::string actual;
     53   if (!expected.empty()) {
     54     ASSERT_TRUE(dict.GetPacUrl(&actual));
     55     EXPECT_EQ(expected, actual);
     56   } else {
     57     EXPECT_FALSE(dict.GetPacUrl(&actual));
     58   }
     59 }
     60 
     61 void assertBypassList(const ProxyConfigDictionary& dict,
     62                       const std::string& expected) {
     63   std::string actual;
     64   if (!expected.empty()) {
     65     ASSERT_TRUE(dict.GetBypassList(&actual));
     66     EXPECT_EQ(expected, actual);
     67   } else {
     68     EXPECT_FALSE(dict.GetBypassList(&actual));
     69   }
     70 }
     71 
     72 void assertProxyModeWithoutParams(const ProxyConfigDictionary& dict,
     73                                   ProxyPrefs::ProxyMode proxy_mode) {
     74   assertProxyMode(dict, proxy_mode);
     75   assertProxyServer(dict, std::string());
     76   assertPacUrl(dict, std::string());
     77   assertBypassList(dict, std::string());
     78 }
     79 
     80 }  // namespace
     81 
     82 class ProxyPolicyTest : public testing::Test {
     83  protected:
     84   ProxyPolicyTest()
     85       : command_line_(CommandLine::NO_PROGRAM) {}
     86 
     87   virtual void SetUp() OVERRIDE {
     88     EXPECT_CALL(provider_, IsInitializationComplete(_))
     89         .WillRepeatedly(Return(true));
     90 
     91     PolicyServiceImpl::Providers providers;
     92     providers.push_back(&provider_);
     93     policy_service_.reset(new PolicyServiceImpl(providers));
     94     provider_.Init();
     95   }
     96 
     97   virtual void TearDown() OVERRIDE {
     98     provider_.Shutdown();
     99   }
    100 
    101   scoped_ptr<PrefService> CreatePrefService(bool with_managed_policies) {
    102     PrefServiceMockFactory factory;
    103     factory.SetCommandLine(&command_line_);
    104     if (with_managed_policies)
    105       factory.SetManagedPolicies(policy_service_.get());
    106     scoped_refptr<user_prefs::PrefRegistrySyncable> registry(
    107         new user_prefs::PrefRegistrySyncable);
    108     scoped_ptr<PrefServiceSyncable> prefs =
    109         factory.CreateSyncable(registry.get());
    110     chrome::RegisterUserProfilePrefs(registry.get());
    111     return prefs.PassAs<PrefService>();
    112   }
    113 
    114   base::MessageLoop loop_;
    115   CommandLine command_line_;
    116   MockConfigurationPolicyProvider provider_;
    117   scoped_ptr<PolicyServiceImpl> policy_service_;
    118 };
    119 
    120 TEST_F(ProxyPolicyTest, OverridesCommandLineOptions) {
    121   command_line_.AppendSwitchASCII(switches::kProxyBypassList, "123");
    122   command_line_.AppendSwitchASCII(switches::kProxyServer, "789");
    123   base::Value* mode_name =
    124       new base::StringValue(ProxyPrefs::kFixedServersProxyModeName);
    125   PolicyMap policy;
    126   policy.Set(key::kProxyMode, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
    127              mode_name, NULL);
    128   policy.Set(key::kProxyBypassList,
    129              POLICY_LEVEL_MANDATORY,
    130              POLICY_SCOPE_USER,
    131              new base::StringValue("abc"),
    132              NULL);
    133   policy.Set(key::kProxyServer,
    134              POLICY_LEVEL_MANDATORY,
    135              POLICY_SCOPE_USER,
    136              new base::StringValue("ghi"),
    137              NULL);
    138   provider_.UpdateChromePolicy(policy);
    139 
    140   // First verify that command-line options are set correctly when
    141   // there is no policy in effect.
    142   scoped_ptr<PrefService> prefs(CreatePrefService(false));
    143   ProxyConfigDictionary dict(prefs->GetDictionary(prefs::kProxy));
    144   assertProxyMode(dict, ProxyPrefs::MODE_FIXED_SERVERS);
    145   assertProxyServer(dict, "789");
    146   assertPacUrl(dict, std::string());
    147   assertBypassList(dict, "123");
    148 
    149   // Try a second time time with the managed PrefStore in place, the
    150   // manual proxy policy should have removed all traces of the command
    151   // line and replaced them with the policy versions.
    152   prefs = CreatePrefService(true);
    153   ProxyConfigDictionary dict2(prefs->GetDictionary(prefs::kProxy));
    154   assertProxyMode(dict2, ProxyPrefs::MODE_FIXED_SERVERS);
    155   assertProxyServer(dict2, "ghi");
    156   assertPacUrl(dict2, std::string());
    157   assertBypassList(dict2, "abc");
    158 }
    159 
    160 TEST_F(ProxyPolicyTest, OverridesUnrelatedCommandLineOptions) {
    161   command_line_.AppendSwitchASCII(switches::kProxyBypassList, "123");
    162   command_line_.AppendSwitchASCII(switches::kProxyServer, "789");
    163   base::Value* mode_name =
    164       new base::StringValue(ProxyPrefs::kAutoDetectProxyModeName);
    165   PolicyMap policy;
    166   policy.Set(key::kProxyMode, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
    167              mode_name, NULL);
    168   provider_.UpdateChromePolicy(policy);
    169 
    170   // First verify that command-line options are set correctly when
    171   // there is no policy in effect.
    172   scoped_ptr<PrefService> prefs = CreatePrefService(false);
    173   ProxyConfigDictionary dict(prefs->GetDictionary(prefs::kProxy));
    174   assertProxyMode(dict, ProxyPrefs::MODE_FIXED_SERVERS);
    175   assertProxyServer(dict, "789");
    176   assertPacUrl(dict, std::string());
    177   assertBypassList(dict, "123");
    178 
    179   // Try a second time time with the managed PrefStore in place, the
    180   // no proxy policy should have removed all traces of the command
    181   // line proxy settings, even though they were not the specific one
    182   // set in policy.
    183   prefs = CreatePrefService(true);
    184   ProxyConfigDictionary dict2(prefs->GetDictionary(prefs::kProxy));
    185   assertProxyModeWithoutParams(dict2, ProxyPrefs::MODE_AUTO_DETECT);
    186 }
    187 
    188 TEST_F(ProxyPolicyTest, OverridesCommandLineNoProxy) {
    189   command_line_.AppendSwitch(switches::kNoProxyServer);
    190   base::Value* mode_name =
    191       new base::StringValue(ProxyPrefs::kAutoDetectProxyModeName);
    192   PolicyMap policy;
    193   policy.Set(key::kProxyMode, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
    194              mode_name, NULL);
    195   provider_.UpdateChromePolicy(policy);
    196 
    197   // First verify that command-line options are set correctly when
    198   // there is no policy in effect.
    199   scoped_ptr<PrefService> prefs = CreatePrefService(false);
    200   ProxyConfigDictionary dict(prefs->GetDictionary(prefs::kProxy));
    201   assertProxyModeWithoutParams(dict, ProxyPrefs::MODE_DIRECT);
    202 
    203   // Try a second time time with the managed PrefStore in place, the
    204   // auto-detect should be overridden. The default pref store must be
    205   // in place with the appropriate default value for this to work.
    206   prefs = CreatePrefService(true);
    207   ProxyConfigDictionary dict2(prefs->GetDictionary(prefs::kProxy));
    208   assertProxyModeWithoutParams(dict2, ProxyPrefs::MODE_AUTO_DETECT);
    209 }
    210 
    211 TEST_F(ProxyPolicyTest, OverridesCommandLineAutoDetect) {
    212   command_line_.AppendSwitch(switches::kProxyAutoDetect);
    213   base::Value* mode_name =
    214       new base::StringValue(ProxyPrefs::kDirectProxyModeName);
    215   PolicyMap policy;
    216   policy.Set(key::kProxyMode, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
    217              mode_name, NULL);
    218   provider_.UpdateChromePolicy(policy);
    219 
    220   // First verify that the auto-detect is set if there is no managed
    221   // PrefStore.
    222   scoped_ptr<PrefService> prefs = CreatePrefService(false);
    223   ProxyConfigDictionary dict(prefs->GetDictionary(prefs::kProxy));
    224   assertProxyModeWithoutParams(dict, ProxyPrefs::MODE_AUTO_DETECT);
    225 
    226   // Try a second time time with the managed PrefStore in place, the
    227   // auto-detect should be overridden. The default pref store must be
    228   // in place with the appropriate default value for this to work.
    229   prefs = CreatePrefService(true);
    230   ProxyConfigDictionary dict2(prefs->GetDictionary(prefs::kProxy));
    231   assertProxyModeWithoutParams(dict2, ProxyPrefs::MODE_DIRECT);
    232 }
    233 
    234 }  // namespace policy
    235