[英]How to do Rest Authentication with JAX-RS
我正在寻找关于如何保护我的休息根资源的一些指示
@Path("/employee")
public class EmployeeResource {
@GET
@Produces("text/html")
public String get(
@QueryParam("name") String empname,
@QueryParam("sn") String sn) {
// Return a data back.
}
}
我已阅读有关基本认证和OAuth的帖子,我知道这个概念,但我正在寻找如何在代码中实现它的方法。
谢谢
声明一个拦截器:
<bean id="securityInterceptor" class="AuthenticatorInterceptor">
<property name="users">
<map>
<entry key="someuser" value="somepassword"/>
</map>
</property>
然后使用它:
<jaxrs:server address="/">
<jaxrs:inInterceptors>
<ref bean="securityInterceptor"/>
</jaxrs:inInterceptors>
(etc)
然后你的AuthenticationInterceptor,顺序如下:
import java.util.Map;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseInterceptor;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.configuration.security.AuthorizationPolicy;
import org.apache.cxf.interceptor.Interceptor;
import org.springframework.beans.factory.annotation.Required;
public class AuthenticatorInterceptor extends AbstractPhaseInterceptor<Message> {
private Map<String,String> users;
@Required
public void setUsers(Map<String, String> users) {
this.users = users;
}
public AuthenticatorInterceptor() {
super(Phase.RECEIVE);
}
public void handleMessage(Message message) {
AuthorizationPolicy policy = message.get(AuthorizationPolicy.class);
if (policy == null) {
System.out.println("User attempted to log in with no credentials");
throw new RuntimeException("Denied");
}
String expectedPassword = users.get(policy.getUserName());
if (expectedPassword == null || !expectedPassword.equals(policy.getPassword())) {
throw new RuntimeException("Denied");
}
}
}
以更方便的方式定义可接受的凭证留给读者练习。
我知道的方法是添加到您的webapp的web.xml
。 最低限度,我认为你需要添加:
<!-- Specifies what and how to protect *part* of a webapp -->
<security-constraint>
<!-- WHAT TO PROTECT -->
<web-resource-collection>
<web-resource-name>employee-related-urls</web-resource-name>
<!-- You might need to list other patterns too with more of these -->
<url-pattern>/employee/*</url-pattern>
</web-resource-collection>
<!-- WHO IS ALLOWED IN -->
<auth-constraint>
<!-- I assume something sensible here! -->
<role-name>employee</role-name>
</auth-constraint>
<!-- HOW TO PROTECT THE REQUESTS AND RESPONSES -->
<user-data-constraint>
<!-- Force HTTPS (or equivalent, in a formal sense) -->
<transport-guarantee>CONFIDENTIAL</transport-guarantee>
</user-data-constraint>
</security-constraint>
<!-- HOW TO WORK OUT WHO IS ASKING -->
<login-config>
<!-- This is how to specify BASIC HTTP auth; look up docs for OAuth yourself -->
<auth-method>BASIC</auth-method>
<!-- Omit the next element to use the container's default -->
<realm-name>site</realm-name>
</login-config>
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