权限调整

ruoyi-common/src/main/java/com/ruoyi/common/utils/ShiroUtils.java

@@ -0,0 +1,86 @@
+package com.ruoyi.common.utils;
+
+import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.crypto.SecureRandomNumberGenerator;
+import org.apache.shiro.session.Session;
+import org.apache.shiro.subject.Subject;
+import org.apache.shiro.subject.PrincipalCollection;
+import org.apache.shiro.subject.SimplePrincipalCollection;
+import com.ruoyi.common.core.domain.entity.SysUser;
+import com.ruoyi.common.utils.bean.BeanUtils;
+
+/**
+ * shiro 工具类
+ * 
+ * @author ruoyi
+ */
+public class ShiroUtils
+{
+    public static Subject getSubject()
+    {
+        return SecurityUtils.getSubject();
+    }
+
+    public static Session getSession()
+    {
+        return SecurityUtils.getSubject().getSession();
+    }
+
+    public static void logout()
+    {
+        getSubject().logout();
+    }
+
+    public static SysUser getSysUser()
+    {
+        SysUser user = null;
+        Object obj = getSubject().getPrincipal();
+        if (StringUtils.isNotNull(obj))
+        {
+            user = new SysUser();
+            BeanUtils.copyBeanProp(user, obj);
+        }
+        return user;
+    }
+
+    public static void setSysUser(SysUser user)
+    {
+        Subject subject = getSubject();
+        PrincipalCollection principalCollection = subject.getPrincipals();
+        String realmName = principalCollection.getRealmNames().iterator().next();
+        PrincipalCollection newPrincipalCollection = new SimplePrincipalCollection(user, realmName);
+        // 重新加载Principal
+        subject.runAs(newPrincipalCollection);
+    }
+
+    public static Long getUserId()
+    {
+        return getSysUser().getUserId().longValue();
+    }
+
+    public static String getLoginName()
+    {
+        return getSysUser().getLoginName();
+    }
+
+    public static String getIp()
+    {
+        return getSubject().getSession().getHost();
+    }
+
+    public static String getSessionId()
+    {
+        return String.valueOf(getSubject().getSession().getId());
+    }
+
+    /**
+     * 生成随机盐
+     */
+    public static String randomSalt()
+    {
+        // 一个Byte占两个字节，此处生成的3字节，字符串长度为6
+        SecureRandomNumberGenerator secureRandom = new SecureRandomNumberGenerator();
+        String hex = secureRandom.nextBytes(3).toHex();
+        return hex;
+    }
+}