WindowsRuntime一次设置User-Agent无须每次请求修改User-Agent

发表于： 2023年4月15日 2023年4月15日
分类： Windows
230 views

public static class UserAgent
    {
        const int URLMON_OPTION_USERAGENT = 0x10000001;

        [DllImport("urlmon.dll", CharSet = CharSet.Ansi)]
        private static extern int UrlMkSetSessionOption(int dwOption, string pBuffer, int dwBufferLength, int dwReserved);

        [DllImport("urlmon.dll", CharSet = CharSet.Ansi)]
        private static extern int UrlMkGetSessionOption(int dwOption, StringBuilder pBuffer, int dwBufferLength, ref int pdwBufferLength, int dwReserved);

        public static string GetUserAgent()
        {
            int capacity = 255;
            var buf = new StringBuilder(capacity);
            int length = 0;

            UrlMkGetSessionOption(URLMON_OPTION_USERAGENT, buf, capacity, ref length, 0);

            return buf.ToString();
        }

        public static void SetUserAgent(string agent)
        {
            var hr = UrlMkSetSessionOption(URLMON_OPTION_USERAGENT, agent, agent.Length, 0);
            var ex = Marshal.GetExceptionForHR(hr);
            if (null != ex)
            {
                throw ex;
            }
        }

        public static void AppendUserAgent(string suffix)
        {
            SetUserAgent(GetUserAgent() + suffix);
        }
    }

public static class UserAgent

{

const int URLMON_OPTION_USERAGENT = 0x10000001;

[DllImport("urlmon.dll", CharSet = CharSet.Ansi)]

private static extern int UrlMkSetSessionOption(int dwOption, string pBuffer, int dwBufferLength, int dwReserved);

[DllImport("urlmon.dll", CharSet = CharSet.Ansi)]

private static extern int UrlMkGetSessionOption(int dwOption, StringBuilder pBuffer, int dwBufferLength, ref int pdwBufferLength, int dwReserved);

public static string GetUserAgent()

{

int capacity = 255;

var buf = new StringBuilder(capacity);

int length = 0;

UrlMkGetSessionOption(URLMON_OPTION_USERAGENT, buf, capacity, ref length, 0);

return buf.ToString();

}

public static void SetUserAgent(string agent)

{

var hr = UrlMkSetSessionOption(URLMON_OPTION_USERAGENT, agent, agent.Length, 0);

var ex = Marshal.GetExceptionForHR(hr);

if (null != ex)

{

throw ex;

}

public static void AppendUserAgent(string suffix)

{

SetUserAgent(GetUserAgent() + suffix);

}

然后在应用启动位置使用

UserAgent.SetUserAgent("Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; Microsoft; Lumia 950) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15254");

1	UserAgent.SetUserAgent("Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; Microsoft; Lumia 950) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15254");

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alex

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