我在经典asp中从谷歌实施ReCaptcha时遇到了问题。 Captcha显示在我的表单之下,但是当我提交表单时,即使验证码字段留空或错误,它也始终被接受。
这是我在第一个“表单”页面中使用的代码。 就在页面顶部我就是这样:
<%
recaptcha_challenge_field = Request("recaptcha_challenge_field")
recaptcha_response_field = Request("recaptcha_response_field")
recaptcha_public_key = "mykeyofcourse" ' your public key
recaptcha_private_key = "and here the private one" ' your private key
' returns the HTML for the widget
function recaptcha_challenge_writer()
recaptcha_challenge_writer = _
"<script type=""text/javascript"">" & _
"var RecaptchaOptions = {" & _
" theme : 'red'," & _
" tabindex : 0" & _
"};" & _
"</script>" & _
"<script type=""text/javascript"" src=""http://www.google.com/recaptcha/api/challenge?k=" & recaptcha_public_key & """></script>" & _
"<noscript>" & _
"<iframe src=""http://www.google.com/recaptcha/api/noscript?k=" & recaptcha_public_key & """ frameborder=""1""></iframe><>" & _
"<textarea name=""recaptcha_challenge_field"" rows=""3"" cols=""40""></textarea>" & _
"<input type=""hidden"" name=""recaptcha_response_field""value=""manual_challenge"">" & _
“”
end function
' returns "" if correct, otherwise it returns the error response
function recaptcha_confirm(rechallenge,reresponse)
Dim VarString
VarString = _
"privatekey=" & recaptcha_private_key & _
"&remoteip=" & Request.ServerVariables("REMOTE_ADDR") & _
"&challenge=" & rechallenge & _
"&response=" & reresponse
Dim objXmlHttp
Set objXmlHttp = Server.CreateObject("Msxml2.ServerXMLHTTP")
objXmlHttp.open "POST", "https://www.google.com/recaptcha/api/verify", False
objXmlHttp.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
objXmlHttp.send VarString
Dim ResponseString
ResponseString = split(objXmlHttp.responseText, vblf)
Set objXmlHttp = Nothing
if ResponseString(0) = "true" then
'They answered correctly
recaptcha_confirm = ""
else
'They answered incorrectly
recaptcha_confirm = ResponseString(1)
end if
end function
server_response = ""
newCaptcha = True
if (recaptcha_challenge_field <> "" or recaptcha_response_field <> "") then
server_response = recaptcha_confirm(recaptcha_challenge_field, recaptcha_response_field)
newCaptcha = False
end if
%>
在我的表单中,在提交按钮上方,我有这段代码:
<%=recaptcha_challenge_writer()%>
现在到检查表单的ASP页面。 在页面顶部,我有这个:
如果server_response&lt;&gt; “或”newCaptcha然后 ERREUR = “OUI” 其他 ERREUR = “非” 结束如果
response.write“erreur:”&amp; erreur
但是......无论验证码字段的价值是多少,erreur总是=非。 知道我做错了什么
提前致谢