Java 将Http基本身份验证添加到servletRequest
我有一个Java 将Http基本身份验证添加到servletRequest,java,http,servlets,basic-authentication,request-headers,Java,Http,Servlets,Basic Authentication,Request Headers,我有一个ProxyServlet来处理从我的应用程序发送到另一台服务器(使用HTTP基本身份验证)的请求,我想在Servlet触发实际请求之前手动添加头,这样用户就不必输入任何凭据 我使用HttpServletRequestWrapper public class DataServlet extends ProxyServlet { @Override protected void service(HttpServletRequest servletRequest, HttpServle
ProxyServlet
来处理从我的应用程序发送到另一台服务器(使用HTTP基本身份验证)的请求,我想在Servlet触发实际请求之前手动添加头,这样用户就不必输入任何凭据
我使用HttpServletRequestWrapper
public class DataServlet extends ProxyServlet {
@Override
protected void service(HttpServletRequest servletRequest, HttpServletResponse servletResponse)
throws ServletException, IOException {
final SystemCredentials credentials = new SystemCredentials("username", "password");
HttpServletRequestWrapper wrap = new HttpServletRequestWrapper(servletRequest){
@Override
public String getHeader(String name) {
if (name.equals("Authorization")){
String encoding = Base64.getEncoder().encodeToString((credentials.getUser().concat(":").concat(credentials.getPassword()).getBytes()));
return "Basic " + encoding;
} else
return super.getHeader(name);
}
};
super.service(wrap, servletResponse);
}
}
它似乎不起作用,当我尝试访问它时,会显示一个弹出窗口并要求提供远程服务器的凭据
My web.xml包含
<servlet>
<servlet-name>data</servlet-name>
<servlet-class>foo.package.servlet.DataServlet</servlet-class>
<init-param>
<param-name>targetUri</param-name>
<param-value>http://fooServer/DataServer</param-value>
</init-param>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>data</servlet-name>
<url-pattern>/DataServer/*</url-pattern>
</servlet-mapping>
数据
foo.package.servlet.DataServlet
塔格图里
http://fooServer/DataServer
真的
数据
/数据服务器/*
有没有其他方法可以让这一切顺利进行
谢谢 解决方案是覆盖方法
getHeader(字符串名称)
,getHeaders(字符串名称)
和getHeaderNames()
,如下所示。这还取决于实现如何查找头。在本例中,ProxyServlet
正在通过枚举getHeaders(字符串名称)
进行查找
HttpServletRequestWrapper-wrap=新的HttpServletRequestWrapper(servletRequest){
@凌驾
公共字符串getHeader(字符串名称){
if(name.equals(HttpHeaders.AUTHORIZATION)){
字符串编码=Base64.getEncoder().encodeToString((credentials.getUser().concat(“:”).concat(credentials.getPassword()).getBytes());
返回“基本”+编码;
}
返回super.getHeader(name);
}
@凌驾
公共枚举getHeaders(字符串名称){
if(name.equals(HttpHeaders.AUTHORIZATION)){
List temp=new ArrayList();
字符串编码=Base64.getEncoder().encodeToString((credentials.getUser().concat(“:”).concat(credentials.getPassword()).getBytes());
临时添加(“基本”+编码);
返回集合。枚举(临时);
}
返回super.getHeaders(名称);
}
@凌驾
公共枚举getHeaderNames(){
//TODO自动生成的方法存根
List temp=Collections.List(super.getHeaderNames());
临时添加(HttpHeaders.AUTHORIZATION);
返回集合。枚举(临时);
}
};
HttpServletRequestWrapper wrap = new HttpServletRequestWrapper(servletRequest){
@Override
public String getHeader(String name) {
if (name.equals(HttpHeaders.AUTHORIZATION)){
String encoding = Base64.getEncoder().encodeToString((credentials.getUser().concat(":").concat(credentials.getPassword()).getBytes()));
return "Basic " + encoding;
}
return super.getHeader(name);
}
@Override
public Enumeration<String> getHeaders(String name) {
if (name.equals(HttpHeaders.AUTHORIZATION)){
List<String> temp = new ArrayList<>();
String encoding = Base64.getEncoder().encodeToString((credentials.getUser().concat(":").concat(credentials.getPassword()).getBytes()));
temp.add("Basic " + encoding);
return Collections.enumeration(temp);
}
return super.getHeaders(name);
}
@Override
public Enumeration<String> getHeaderNames() {
// TODO Auto-generated method stub
List<String> temp = Collections.list(super.getHeaderNames());
temp.add(HttpHeaders.AUTHORIZATION);
return Collections.enumeration(temp);
}
};