我有垃圾邮件问题。一些机器人(我相信)正在绕过Google Recaptcha,并将以下字符串插入到我网站上的表单中:
dtbNPRpfcz
VvAJEXqueSKscY
有人知道我可以使用的任何JS或C#代码,这些代码很可能表明上述字符串是随机生成的吗?
如果我可以检查被填充的字段并知道其中几个可能是自动生成的,那么我可以阻止提交。
例如,上面的字符串似乎具有正常数量的ucase字符。
更新:当前正在针对某些字符串使用密码强度检查器。如果字符串高于弱字符串,则很可能是垃圾邮件。我的网络托管商说“尝试其他验证码”。
interrogate: function(e) {
var t = {};
t = this.userAgentKey(t),
t = this.languageKey(t),
t = this.screenKey(t),
t = this.timezoneKey(t),
t = this.indexedDbKey(t),
t = this.addBehaviorKey(t),
t = this.openDatabaseKey(t),
t = this.cpuClassKey(t),
t = this.platformKey(t),
t = this.doNotTrackKey(t),
t = this.pluginsKey(t),
t = this.canvasKey(t),
t = this.webglKey(t),
t = this.touchSupportKey(t),
t = this.videoKey(t),
t = this.audioKey(t),
t = this.vendorKey(t),
t = this.productKey(t),
t = this.productSubKey(t),
t = this.browserKey(t),
t = this.windowKey(t),
t = this.locationKey(t),
t.fonts = "",
t.devices = null,
this.keys = t,
this.parallel([this.fontsKey, this.devicesKey], e)