AOP files

Author: vijayanasokan

login/src/main/java/com/glaum/login/configuration/AuthAspect.java

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+package com.glaum.login.configuration;
+
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.reflect.MethodSignature;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.glaum.login.entity.permission;
+import com.glaum.login.service.AuthorizationImpl;
+import com.google.common.collect.Lists;
+
+import groovy.util.logging.Slf4j;
+
+@Slf4j
+@Aspect
+@Component
+public class AuthAspect {
+@Autowired
+   AuthorizationImpl authBean;
+
+
+   
+  @Before("@annotation(Authorized) && args(httpSession,request,res) ")
+   public static void before(JoinPoint jt,HttpSession httpSession,HttpServletRequest request,HttpServletResponse res){
+	 
+	  boolean authper=false;
+	  String roleid=""; 
+      List<permission> lstobj=Lists.newArrayList(); 
+      int bit=-1;
+      
+      MethodSignature signature = (MethodSignature) jt.getSignature();
+      Method method = signature.getMethod();
+      
+      Authorized objauth=method.getAnnotation(Authorized.class);
+      String[] arrofpermission = objauth.keys();
+      System.out.println("printing aspect val"+((Arrays.toString(arrofpermission))));   
+      
+      
+
+      
+      for (Field f : httpSession.getClass().getDeclaredFields()) {
+          f.setAccessible(true);
+          Object o;
+          try {
+             HttpSession s= (HttpSession) f.get(httpSession);	              
+             lstobj= (List<com.glaum.login.entity.permission>) s.getAttribute("permissionval");
+             roleid=s.getAttribute("roleid").toString();
+          } catch (Exception e) {
+              o = e;
+          }	           
+      }
+     // System.out.println("role"+roleid);
+      for(String s:arrofpermission)
+      {
+      for (permission per : lstobj) {
+          if (per.getname().equalsIgnoreCase(s)) {
+          	bit=per.getbit();          	
+          	if((Integer.parseInt(roleid) & bit) == bit)
+          	{
+          		authper=true;
+          	}
+          }
+      }
+      }
+//	System.out.println((Integer.parseInt(roleid) & bit) == bit);
+//      authper=((Integer.parseInt(roleid) & bit) == bit);
+      if(!authper)
+		try {
+			res.sendRedirect(request.getContextPath() + "/accessdenied");
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+   } 
+//   
+
+
+
+
+   
+}

login/src/main/java/com/glaum/login/configuration/Authorized.java

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+package com.glaum.login.configuration;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD) // can use in method only.
+public @interface Authorized {
+
+  public boolean enabled() default true;
+
+public String[] keys();
+
+
+}