如何以编程方式登录j_security_check [英] How to programatically login to j_security_check

问题描述

我有一个使用 j_security_check 的JSP Web应用程序。如果我知道用户名和密码，是否可以通过JSP页面以编程方式将特定用户登录到 j_security_check ？我试图以这种方式将变量作为URL参数传递...

I have a JSP web application which uses j_security_check. Is it possible to login a specific user to j_security_check programatically via a JSP page if I know the userid and password? I tried to pass the variables as URL parameters this way...

response.sendRedirect(www.mydomain.com/j_security_check?j_username=someUserName&j_password=somePassword )

...但它不起作用。有没有办法做到这一点？

...but it doesnt work. Is there any way to do it?

编辑：
这里是我的登录页面，现在可以正常工作。出于安全原因，我修剪了一些代码。

here is my login page which works fine right now. I trimmed some of the code for security reasons.

    <form name="signon" method="post" action="/j_security_check">
      <table width="100%" cellpadding="4" cellspacing="0">

        <tr>
          <td valign="top" colspan="4">
            <h2><%= UI.tr(null, "login_details") %>
            </h2>
          </td>
        </tr>

        <tr>
          <td valign="top" width="150px">
            <%= UI.tr(null, "login_id") %>
          </td>
          <td valign="top" width="150px">
            <%= UI.tr(null, "login_pass") %>
          </td>
          <td valign="top" width="150px">
            <%= UI.tr(null, "login_token_or_captcha") %>
          </td>
          <td width="100%">&nbsp;</td>
        </tr>


        <tr>

          <%
            if (logins == null) {
          %>
          <td>
            <input type="hidden" name="j_uri" value="/index.jsp">
            <input type="text" id="username" name="j_username" size="16" style="width: 150px;" autocomplete="off" <%= username == null ? "" : "disabled value='" + username + "'" %> onblur="return checkCaptcha();">
          </td>
          <%
          } else {
          %>
          <td>
            <select name="j_username" style="width: 150px;">
              <%
                for (Login login : logins) {
              %>
              <option><%= login.getUsername() %>
              </option>
              <%
                }
              %>
            </select>
          </td>
          <%
            }
          %>
          <td><input type="password" name="j_password" size="16" style="width: 150px;">                </td>
          <td><input type="text" id="mypw" name="mypw" size="16" autocomplete="off" style="width: 150px;"></td>
          <td><input class="submit" type="submit" name="submit" value="<%= UI.tr(null, "login_submit") %>"></td>
        </tr>




<tr>
  <td valign="top" colspan="4">
    <%-- <%
    if("registry.nic.hn".equals(request.getServerName())) {
    %>
    <!-- GARTH - put whatever you want here for .HN -->
    &nbsp;
    <% } else { %> --%>
        <h2><%= UI.tr(null, "login_news") %>
        </h2>
        <div><%= HTMLFormat.addBreaks(SiteConf.getSiteConf().getNews()) %>
        </div>
    <%-- <% } %>     --%>
  </td>
</tr>

推荐答案

以下代码适用于JSP文件：

The following code works for me in the JSP file:

String url = "j_security_check?j_username=" + username + "&j_password=" + password;
String redirectUrl = response.encodeRedirectURL(url);
response.sendRedirect(redirectUrl);

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