Spring MVC使用POST重定向
Spring MVC使用POST重定向
提问于 2020-09-20 01:37:59
I am trying to redirect a user to external url to complete the transaction and this website is based SAML based authentication and accepts SAMLResponse as a post parameter. Below is my controller able to get the values in the logs-控制器-
@RequestMapping(value="/redirect", method = { RequestMethod.GET, RequestMethod.POST })
public String redirect(HttpServletRequest request, HttpServletResponse response, RedirectAttributes redirectAttrs) {
String samlRes = String.valueOf(request.getSession().getAttribute("STRRESPONSE"));
byte[] base64samlRes = Base64.encode(samlRes.getBytes());
redirectAttrs.addAttribute("SAMLResponse", base64samlRes);
L.debug("Redirecting " + samlRes);
L.debug("Redirecting Base64 Encoder " + new String(base64samlRes, Charset.forName("UTF-8")));
return "redirect";-控制器结束
and using the below html to post the external website.. I am seeing the browser the html title but it is not loading the external portal and values in the html is also null- HTML自动提交
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Redirect Payment Portal</title>
</head>
<body>
<ul>
<li>SamlResponse: "${SAMLResponse}"</li>
</ul>
<form name="myRedirectForm" action="<external url>" method="post">
<input name="SAMLResponse" type="hidden" value="${SAMLResponse}" />
<noscript>
<input type="submit" value="Click here to continue" />
</noscript>
</form>
<script type="text/javascript">
$(document).ready(function() {
document.myRedirectForm.submit();
});
</script>
</body>
</html>=====================结束超文本标记语言
我错过了什么吗？
回答 2
Stack Overflow用户
发布于 2020-09-20 12:18:45
我可以通过修改值[${SAMLResponse}]来检索html格式的值，但是表单没有被提交
Stack Overflow用户
发布于 2020-09-21 05:12:32
最后，通过以下更新解决了这个问题
-HTML-修改以下行
<input name="SAMLResponse" type="hidden" value="${SAMLResponse}" />
to
<input name="SAMLResponse" type="hidden" th:value="${SAMLResponse}" />-结束HTML
-控制器更改
@RequestMapping(value="/redirect", method = { RequestMethod.GET, RequestMethod.POST })
public ModelAndView redirect(HttpServletRequest request, HttpServletResponse response, Model model) {
String samlRes = String.valueOf(request.getSession().getAttribute("STRRESPONSE"));
byte[] base64samlRes = Base64.encode(samlRes.getBytes());
model.addAttribute("SAMLResponse", new String(base64samlRes, Charset.forName("UTF-8"));
L.debug("Redirecting " + samlRes);
L.debug("Redirecting Base64 Encoder " + new String(base64samlRes, Charset.forName("UTF-8")));
return new ModelAndView ("redirect");-控制器更改结束
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原文链接：
https://stackoverflow.com/questions/63971641
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