content/common/user_agent.cc

   1 // Copyright 2014 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 "content/public/common/user_agent.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/string_util.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "base/sys_info.h"
  11 #include "build/build_config.h"
  12
  13 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  14 #include <sys/utsname.h>
  15 #endif
  16
  17 #if defined(OS_WIN)
  18 #include "base/win/windows_version.h"
  19 #endif
  20
  21 // Generated
  22 #include "webkit_version.h"  // NOLINT
  23
  24 namespace content {
  25
  26 namespace {
  27
  28 #if defined(OS_ANDROID)
  29 std::string GetAndroidDeviceName() {
  30   return base::SysInfo::GetDeviceName();
  31 }
  32 #endif
  33
  34 }  // namespace
  35
  36 std::string GetWebKitVersion() {
  37   return base::StringPrintf("%d.%d (%s)",
  38                             WEBKIT_VERSION_MAJOR,
  39                             WEBKIT_VERSION_MINOR,
  40                             WEBKIT_SVN_REVISION);
  41 }
  42
  43 int GetWebKitMajorVersion() {
  44   return WEBKIT_VERSION_MAJOR;
  45 }
  46
  47 int GetWebKitMinorVersion() {
  48   return WEBKIT_VERSION_MINOR;
  49 }
  50
  51 std::string GetWebKitRevision() {
  52   return WEBKIT_SVN_REVISION;
  53 }
  54
  55 std::string BuildOSCpuInfo() {
  56   std::string os_cpu;
  57
  58 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS) ||\
  59     defined(OS_ANDROID)
  60   int32 os_major_version = 0;
  61   int32 os_minor_version = 0;
  62   int32 os_bugfix_version = 0;
  63   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  64                                                &os_minor_version,
  65                                                &os_bugfix_version);
  66 #endif
  67
  68 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
  69   // Should work on any Posix system.
  70   struct utsname unixinfo;
  71   uname(&unixinfo);
  72
  73   std::string cputype;
  74   // special case for biarch systems
  75   if (strcmp(unixinfo.machine, "x86_64") == 0 &&
  76       sizeof(void*) == sizeof(int32)) {  // NOLINT
  77     cputype.assign("i686 (x86_64)");
  78   } else {
  79     cputype.assign(unixinfo.machine);
  80   }
  81 #endif
  82
  83 #if defined(OS_WIN)
  84   std::string architecture_token;
  85   base::win::OSInfo* os_info = base::win::OSInfo::GetInstance();
  86   if (os_info->wow64_status() == base::win::OSInfo::WOW64_ENABLED) {
  87     architecture_token = "; WOW64";
  88   } else {
  89     base::win::OSInfo::WindowsArchitecture windows_architecture =
  90         os_info->architecture();
  91     if (windows_architecture == base::win::OSInfo::X64_ARCHITECTURE)
  92       architecture_token = "; Win64; x64";
  93     else if (windows_architecture == base::win::OSInfo::IA64_ARCHITECTURE)
  94       architecture_token = "; Win64; IA64";
  95   }
  96 #endif
  97
  98 #if defined(OS_ANDROID)
  99   std::string android_version_str;
 100   base::StringAppendF(
 101       &android_version_str, "%d.%d", os_major_version, os_minor_version);
 102   if (os_bugfix_version != 0)
 103     base::StringAppendF(&android_version_str, ".%d", os_bugfix_version);
 104
 105   std::string android_info_str;
 106
 107   // Send information about the device.
 108   bool semicolon_inserted = false;
 109   std::string android_build_codename = base::SysInfo::GetAndroidBuildCodename();
 110   std::string android_device_name = GetAndroidDeviceName();
 111   if ("REL" == android_build_codename && android_device_name.size() > 0) {
 112     android_info_str += "; " + android_device_name;
 113     semicolon_inserted = true;
 114   }
 115
 116   // Append the build ID.
 117   std::string android_build_id = base::SysInfo::GetAndroidBuildID();
 118   if (android_build_id.size() > 0) {
 119     if (!semicolon_inserted) {
 120       android_info_str += ";";
 121     }
 122     android_info_str += " Build/" + android_build_id;
 123   }
 124 #endif
 125
 126   base::StringAppendF(
 127       &os_cpu,
 128 #if defined(OS_WIN)
 129       "Windows NT %d.%d%s",
 130       os_major_version,
 131       os_minor_version,
 132       architecture_token.c_str()
 133 #elif defined(OS_MACOSX)
 134       "Intel Mac OS X %d_%d_%d",
 135       os_major_version,
 136       os_minor_version,
 137       os_bugfix_version
 138 #elif defined(OS_CHROMEOS)
 139       "CrOS "
 140       "%s %d.%d.%d",
 141       cputype.c_str(),   // e.g. i686
 142       os_major_version,
 143       os_minor_version,
 144       os_bugfix_version
 145 #elif defined(OS_ANDROID)
 146       "Android %s%s",
 147       android_version_str.c_str(),
 148       android_info_str.c_str()
 149 #else
 150       "%s %s",
 151       unixinfo.sysname,  // e.g. Linux
 152       cputype.c_str()    // e.g. i686
 153 #endif
 154   );  // NOLINT
 155
 156   return os_cpu;
 157 }
 158
 159 std::string BuildUserAgentFromProduct(const std::string& product) {
 160   const char kUserAgentPlatform[] =
 161 #if defined(OS_WIN)
 162       "";
 163 #elif defined(OS_MACOSX)
 164       "Macintosh; ";
 165 #elif defined(USE_X11) || defined(USE_OZONE)
 166       "X11; ";           // strange, but that's what Firefox uses
 167 #elif defined(OS_ANDROID)
 168       "Linux; ";
 169 #else
 170       "Unknown; ";
 171 #endif
 172
 173   std::string os_info;
 174   base::StringAppendF(
 175       &os_info, "%s%s", kUserAgentPlatform, BuildOSCpuInfo().c_str());
 176   return BuildUserAgentFromOSAndProduct(os_info, product);
 177 }
 178
 179 std::string BuildUserAgentFromOSAndProduct(const std::string& os_info,
 180                                            const std::string& product) {
 181   // Derived from Safari's UA string.
 182   // This is done to expose our product name in a manner that is maximally
 183   // compatible with Safari, we hope!!
 184   std::string user_agent;
 185   base::StringAppendF(
 186       &user_agent,
 187       "Mozilla/5.0 (%s) AppleWebKit/%d.%d (KHTML, like Gecko) %s Safari/%d.%d",
 188       os_info.c_str(),
 189       WEBKIT_VERSION_MAJOR,
 190       WEBKIT_VERSION_MINOR,
 191       product.c_str(),
 192       WEBKIT_VERSION_MAJOR,
 193       WEBKIT_VERSION_MINOR);
 194   return user_agent;
 195 }
 196
 197 }  // namespace content