chrome/browser/prefs/command_line_pref_store.cc

   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 "chrome/browser/prefs/command_line_pref_store.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/files/file_path.h"
  11 #include "base/logging.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/string_split.h"
  14 #include "base/values.h"
  15 #include "chrome/browser/prefs/proxy_config_dictionary.h"
  16 #include "chrome/common/chrome_switches.h"
  17 #include "chrome/common/pref_names.h"
  18 #include "ui/base/ui_base_switches.h"
  19
  20 #if defined(OS_CHROMEOS)
  21 #include "chromeos/chromeos_switches.h"
  22 #endif
  23
  24 const CommandLinePrefStore::StringSwitchToPreferenceMapEntry
  25     CommandLinePrefStore::string_switch_map_[] = {
  26       { switches::kLang, prefs::kApplicationLocale },
  27       { data_reduction_proxy::switches::kDataReductionProxy,
  28           data_reduction_proxy::prefs::kDataReductionProxy },
  29       { switches::kSSLVersionMin, prefs::kSSLVersionMin },
  30       { switches::kSSLVersionMax, prefs::kSSLVersionMax },
  31       { switches::kSSLVersionFallbackMin, prefs::kSSLVersionFallbackMin },
  32 };
  33
  34 const CommandLinePrefStore::PathSwitchToPreferenceMapEntry
  35     CommandLinePrefStore::path_switch_map_[] = {
  36       { switches::kDiskCacheDir, prefs::kDiskCacheDir },
  37 };
  38
  39 const CommandLinePrefStore::BooleanSwitchToPreferenceMapEntry
  40     CommandLinePrefStore::boolean_switch_map_[] = {
  41       { switches::kDisable3DAPIs, prefs::kDisable3DAPIs, true },
  42       { switches::kEnableCloudPrintProxy, prefs::kCloudPrintProxyEnabled,
  43           true },
  44       { switches::kAllowOutdatedPlugins, prefs::kPluginsAllowOutdated, true },
  45       { switches::kAlwaysAuthorizePlugins, prefs::kPluginsAlwaysAuthorize,
  46           true },
  47       { switches::kNoPings, prefs::kEnableHyperlinkAuditing, false },
  48       { switches::kNoReferrers, prefs::kEnableReferrers, false },
  49       { switches::kAllowRunningInsecureContent,
  50         prefs::kWebKitAllowRunningInsecureContent, true },
  51       { switches::kNoDisplayingInsecureContent,
  52         prefs::kWebKitAllowDisplayingInsecureContent, false },
  53       { switches::kAllowCrossOriginAuthPrompt,
  54         prefs::kAllowCrossOriginAuthPrompt, true },
  55       { switches::kDisablePrintPreview, prefs::kPrintPreviewDisabled, true },
  56 #if defined(OS_CHROMEOS)
  57       { chromeos::switches::kEnableTouchpadThreeFingerClick,
  58           prefs::kEnableTouchpadThreeFingerClick, true },
  59 #endif
  60       { switches::kDisableAsyncDns, prefs::kBuiltInDnsClientEnabled, false },
  61       { switches::kEnableAsyncDns, prefs::kBuiltInDnsClientEnabled, true },
  62 };
  63
  64 const CommandLinePrefStore::IntegerSwitchToPreferenceMapEntry
  65     CommandLinePrefStore::integer_switch_map_[] = {
  66       { switches::kDiskCacheSize, prefs::kDiskCacheSize },
  67       { switches::kMediaCacheSize, prefs::kMediaCacheSize },
  68     };
  69
  70 CommandLinePrefStore::CommandLinePrefStore(
  71     const base::CommandLine* command_line)
  72     : command_line_(command_line) {
  73   ApplySimpleSwitches();
  74   ApplyProxyMode();
  75   ValidateProxySwitches();
  76   ApplySSLSwitches();
  77   ApplyBackgroundModeSwitches();
  78 }
  79
  80 CommandLinePrefStore::~CommandLinePrefStore() {}
  81
  82 bool CommandLinePrefStore::ValidateProxySwitches() {
  83   if (command_line_->HasSwitch(switches::kNoProxyServer) &&
  84       (command_line_->HasSwitch(switches::kProxyAutoDetect) ||
  85        command_line_->HasSwitch(switches::kProxyServer) ||
  86        command_line_->HasSwitch(switches::kProxyPacUrl) ||
  87        command_line_->HasSwitch(switches::kProxyBypassList))) {
  88     LOG(WARNING) << "Additional command-line proxy switches specified when --"
  89                  << switches::kNoProxyServer << " was also specified.";
  90     return false;
  91   }
  92   return true;
  93 }
  94
  95 void CommandLinePrefStore::ApplySimpleSwitches() {
  96   // Look for each switch we know about and set its preference accordingly.
  97   for (size_t i = 0; i < arraysize(string_switch_map_); ++i) {
  98     if (command_line_->HasSwitch(string_switch_map_[i].switch_name)) {
  99       SetValue(string_switch_map_[i].preference_path,
 100                new base::StringValue(command_line_->GetSwitchValueASCII(
 101                    string_switch_map_[i].switch_name)));
 102     }
 103   }
 104
 105   for (size_t i = 0; i < arraysize(path_switch_map_); ++i) {
 106     if (command_line_->HasSwitch(path_switch_map_[i].switch_name)) {
 107       SetValue(path_switch_map_[i].preference_path,
 108                new base::StringValue(command_line_->GetSwitchValuePath(
 109                    path_switch_map_[i].switch_name).value()));
 110     }
 111   }
 112
 113   for (size_t i = 0; i < arraysize(integer_switch_map_); ++i) {
 114     if (command_line_->HasSwitch(integer_switch_map_[i].switch_name)) {
 115       std::string str_value = command_line_->GetSwitchValueASCII(
 116           integer_switch_map_[i].switch_name);
 117       int int_value = 0;
 118       if (!base::StringToInt(str_value, &int_value)) {
 119         LOG(ERROR) << "The value " << str_value << " of "
 120                    << integer_switch_map_[i].switch_name
 121                    << " can not be converted to integer, ignoring!";
 122         continue;
 123       }
 124       SetValue(integer_switch_map_[i].preference_path,
 125                new base::FundamentalValue(int_value));
 126     }
 127   }
 128
 129   for (size_t i = 0; i < arraysize(boolean_switch_map_); ++i) {
 130     if (command_line_->HasSwitch(boolean_switch_map_[i].switch_name)) {
 131       SetValue(boolean_switch_map_[i].preference_path,
 132                new base::FundamentalValue(boolean_switch_map_[i].set_value));
 133     }
 134   }
 135 }
 136
 137 void CommandLinePrefStore::ApplyProxyMode() {
 138   if (command_line_->HasSwitch(switches::kNoProxyServer)) {
 139     SetValue(prefs::kProxy,
 140              ProxyConfigDictionary::CreateDirect());
 141   } else if (command_line_->HasSwitch(switches::kProxyPacUrl)) {
 142     std::string pac_script_url =
 143         command_line_->GetSwitchValueASCII(switches::kProxyPacUrl);
 144     SetValue(prefs::kProxy,
 145              ProxyConfigDictionary::CreatePacScript(pac_script_url, false));
 146   } else if (command_line_->HasSwitch(switches::kProxyAutoDetect)) {
 147     SetValue(prefs::kProxy,
 148              ProxyConfigDictionary::CreateAutoDetect());
 149   } else if (command_line_->HasSwitch(switches::kProxyServer)) {
 150     std::string proxy_server =
 151         command_line_->GetSwitchValueASCII(switches::kProxyServer);
 152     std::string bypass_list =
 153         command_line_->GetSwitchValueASCII(switches::kProxyBypassList);
 154     SetValue(prefs::kProxy,
 155              ProxyConfigDictionary::CreateFixedServers(proxy_server,
 156                                                        bypass_list));
 157   }
 158 }
 159
 160 void CommandLinePrefStore::ApplySSLSwitches() {
 161   if (command_line_->HasSwitch(switches::kCipherSuiteBlacklist)) {
 162     std::string cipher_suites =
 163         command_line_->GetSwitchValueASCII(switches::kCipherSuiteBlacklist);
 164     std::vector<std::string> cipher_strings;
 165     base::SplitString(cipher_suites, ',', &cipher_strings);
 166     base::ListValue* list_value = new base::ListValue();
 167     for (std::vector<std::string>::const_iterator it = cipher_strings.begin();
 168          it != cipher_strings.end(); ++it) {
 169       list_value->Append(new base::StringValue(*it));
 170     }
 171     SetValue(prefs::kCipherSuiteBlacklist, list_value);
 172   }
 173 }
 174
 175 void CommandLinePrefStore::ApplyBackgroundModeSwitches() {
 176   if (command_line_->HasSwitch(switches::kDisableExtensions))
 177     SetValue(prefs::kBackgroundModeEnabled, new base::FundamentalValue(false));
 178 }