运行钴时,我可以从日志中看到用户代理:
[0101/000230:INFO:application.cc(690)] User Agent: Mozilla/5.0 (DirectFB; Linux x86_64) Cobalt/4.13031-qa (unlike Gecko) Starboard/1
那么它从何而来呢?有没有办法改变它?
默认用户代理在以下文件中设置,您可以进行检查:
https://cobalt.googlesource.com/cobalt/+/e9b4b99dab6e774b8b6e63add74c352cc5dd395a/src/cobalt/network/user_agent_string_factory.cc
std::string UserAgentStringFactory::CreateUserAgentString() {
// Cobalt's user agent contains the following sections:
// Mozilla/5.0 (ChromiumStylePlatform)
// Cobalt/Version.BuildNumber-BuildConfiguration (unlike Gecko)
// Starboard/APIVersion,
// Device/FirmwareVersion (Brand, Model, ConnectionType)
// Mozilla/5.0 (ChromiumStylePlatform)
std::string user_agent =
base::StringPrintf("Mozilla/5.0 (%s)", CreatePlatformString().c_str());
// Cobalt/Version.BuildNumber-BuildConfiguration (unlike Gecko)
base::StringAppendF(&user_agent, " Cobalt/%s.%s-%s (unlike Gecko)",
COBALT_VERSION, COBALT_BUILD_VERSION_NUMBER,
kBuildConfiguration);
// Starboard/APIVersion,
if (!starboard_version_.empty()) {
base::StringAppendF(&user_agent, " %s", starboard_version_.c_str());
}
// Device/FirmwareVersion (Brand, Model, ConnectionType)
if (youtube_tv_info_) {
base::StringAppendF(
&user_agent, ", %s_%s_%s/%s (%s, %s, %s)",
youtube_tv_info_->network_operator.value_or("").c_str(),
CreateDeviceTypeString().c_str(),
youtube_tv_info_->chipset_model_number.value_or("").c_str(),
youtube_tv_info_->firmware_version.value_or("").c_str(),
youtube_tv_info_->brand.c_str(), youtube_tv_info_->model.c_str(),
CreateConnectionTypeString().c_str());
}
return user_agent;
}
如果您的SbSystemGetDeviceType()
适用于SystemDeviceTypeIsTv()
(在文件 user_agent_string_factory_starboard.cc
中(,您可以通过实现 SbSystemGetProperty()
+ 某些SbSystemGet()
函数的某些字段来自定义 UA。
这是一个典型的例子:
Mozilla/5.0 (1( 钴/11.119147-金(与壁虎不同( 右舷/8, 2_8_6/5 (3, 4, 7(
哪里
- kSbSystemPropertyPlatformName
- kSbSystemPropertyNetworkOperatorName
- kSb系统属性制造商名称
- kSb系统属性模型名称
- kSb系统属性固件版本
- kSb系统属性芯片组型号
- SbSystemGetConnectionType((
- SbSystemGetDeviceType((