Google验证码

请求

网页

响应：

• data-sitekey="6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-"：私钥

api.js

anchor

请求参数：

• ar=1
• k=6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-：私钥
• co=aHR0cHM6Ly9nb29nbGUuY29tOjQ0Mw..：验证码网站URL的Base64，例如：https://www.aaa.com:443
• hl=zh-CN
• v=iSHzt4kCrNgSxGUYDFqaZAL9：混淆过的JS版本
• size=normal
• cb=dn2whut2nhw0

响应内容：

<input type="hidden" id="recaptcha-token" 
	value="03AGdBq26h-Yys0fZyzqHF8DKAgB..." />

recaptcha.anchor.Main.init(
[
    "input",
    ["bgdata", "", "--- base 64 1----", "-- base 64 2 ---"],
    null,
    ["conf", null, "6LdopwsUAAAAAJPA9Ku3yxEhZ2N0b-3acJG963IZ", 0, null, null, null, 0, [21], [-2184048]], 
    "https://www.expedia.com:443", 
    [
        "ctask", 
        [
              ["hctask", "817947a8", "9e33d87da08dc5734dfe7a10ff9188e251d392ac7d8f15bf12666f7a3d67143d", 0, 100], 
              ["hctask", "b782658f", "0f5561259718b69ceb00a64bdbb06f275288ae846140fd000c8cdaf1eda355c6", 0, 100], 
              ["hctask", "8cecf1ef", "a18cf88a3cd8ba210150426dd42b17a2a6f79bb18e05c96d081476fb69d1c005", 0, 100]
        ]
    ], 
    [1, 2, 1], 
    null, null, null, 0, 3600, 
    [
        "https://www.google.cn/intl/zh-CN/policies/privacy/", 
        "https://www.google.cn/intl/zh-CN/policies/terms/"
    ], 
    "Uvgis1h/QuPHj/2Ir3aB8HDsrcXMfgi+OxN5Jtqx8LM\\u003d", 
    0, 0, null, 0, 
    1599546072698
]
    );

reload

勾选验证码

请求body：

<CAN>iSHzt4kCrNgSxGUYDFqaZAL9<DC2>            // 混淆过的JS版本
<xF9>03AGdBq26h-Yys0fZyzqHF8DKAgBrVag5f71GUCoINaAdX5PwiY... // recaptcha-token
<SUB>[88,20,67]" 	                            // ???
<xBO>!..............*<tab>371230959<x82>      // ???
<SOH><xDF><DC1>04i7IVt1V3Ivhl-WuI4VIzyTbHa47x07Wgthq8nH6rA2 // ???
<STX>fi:<xC2><STX>                            // ???
5ACgh5JOi0DJwx_mJ-                            // ???