From ac6c86ddd482721e7011dcb727e4099b8cdf84b1 Mon Sep 17 00:00:00 2001
From: Alexander Alexeev
Date: Sun, 11 Dec 2016 00:52:57 +0700
Subject: anonymous user support

---
 .../src/main/java/com/juick/util/UserUtils.java    | 27 +++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

(limited to 'juick-server/src/main/java/com/juick/util')

diff --git a/juick-server/src/main/java/com/juick/util/UserUtils.java b/juick-server/src/main/java/com/juick/util/UserUtils.java
index ba1bd1ab..ddeedbbd 100644
--- a/juick-server/src/main/java/com/juick/util/UserUtils.java
+++ b/juick-server/src/main/java/com/juick/util/UserUtils.java
@@ -1,6 +1,11 @@
 package com.juick.util;
 
-import java.security.Principal;
+import com.juick.User;
+import com.juick.entity.AnonymUser;
+import com.juick.server.security.entities.JuickUser;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
 import java.util.Random;
 
 /**
@@ -22,7 +27,23 @@ public class UserUtils {
         return sb.toString();
     }
 
-    public static String getUsername(final Principal principal, final String defaultUsername) {
-        return principal == null ? defaultUsername : principal.getName();
+    public static Authentication getAuthentication() {
+        return SecurityContextHolder.getContext().getAuthentication();
+    }
+
+    public static Object getPrincipal(final Authentication authentication) {
+        return authentication == null ? null : authentication.getPrincipal();
+    }
+
+    public static User getCurrentUser() {
+        Object principal = getPrincipal(getAuthentication());
+
+        if (principal instanceof JuickUser)
+            return ((JuickUser) principal).getUser();
+
+        if (principal instanceof User)
+            return (User) principal;
+
+        return AnonymUser.INSTANCE;
     }
 }
-- 
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