我正在尝试发布以从 c# 代码中重新捕获。
var data = new NameValueCollection
{
{ "privatekey", "my key" },
{ "remoteip ", "" },
{ "challenge ", model.recaptcha_challenge_field },
{ "response ", model.recaptcha_response_field }
};
using (var client = new WebClient())
{
var response = client.UploadValues("http://www.google.com/recaptcha/api/verify", data: data);
var result = ASCIIEncoding.ASCII.GetString(response);
}
当我这样做时,结果正在返回
false invalid-request-cookie
我需要设置远程IP吗?还有什么问题?
更新
https://developers.google.com/recaptcha/docs/verify说错误意味着:
页面html的值如下:
<INPUT id=recaptcha_challenge_field value=03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ type=hidden name=recaptcha_challenge_field />
在我发回的对象中,如下所示:
“recaptcha_challenge_field=03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ&recaptcha_response_field=re
嗯+很多”
当我在服务器上得到它时,值是
03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ
因此,如果我们将所有 3 个值并排放置,我们将得到:
03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ
03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ
03AHJ_VusdI2SY_P2iM3VICgLmOw-7CE7F6zmOwvwfya4L8Jeiok_rCwVmHFJwJHxlelhp8By_QTA7SNF58fwijij5rxBLqgpoI3nuWy6S0HGL7U7lk_35aazPfaMyVwbeWuWJyxJ0DqjwDwrByD4AY70O0qlaTnCUxQ
通过调用以下命令生成页面上的重新捕获:
Recaptcha.create("pub key",
"myDiv",
{
theme: "clean",
callback: Recaptcha.focus_response_field
}
);