From 70231ff29a5021c01cb31f2c19033defc22c81dd Mon Sep 17 00:00:00 2001
From: fengxiang <110431245@qq.com>
Date: Fri, 02 Feb 2018 09:10:37 +0800
Subject: [PATCH] 安全跨域设置

---
 src/main/java/com/moral/controller/ScreenController.java |   64 ++++++++++++++++++++++++++++----
 1 files changed, 56 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/moral/controller/ScreenController.java b/src/main/java/com/moral/controller/ScreenController.java
index 8765b4d..6a1e617 100644
--- a/src/main/java/com/moral/controller/ScreenController.java
+++ b/src/main/java/com/moral/controller/ScreenController.java
@@ -5,8 +5,7 @@
 import static com.moral.common.util.ResourceUtil.getValue;
 import static com.moral.common.util.WebUtils.getParametersStartingWith;
 
-import java.io.IOException;
-import java.io.InputStreamReader;
+import java.io.*;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -14,14 +13,14 @@
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
 
+import com.moral.common.xml.Version;
+import org.apache.commons.net.ftp.FTPClient;
+import org.dom4j.Document;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.redis.core.RedisTemplate;
-import org.springframework.web.bind.annotation.CrossOrigin;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONReader;
@@ -33,6 +32,7 @@
 import com.moral.service.DeviceService;
 import com.moral.service.HistoryService;
 import com.moral.service.MachineActivateService;
+import org.xml.sax.InputSource;
 
 /**
  * The Class ScreenController.������������
@@ -213,4 +213,52 @@
 		return new ResultBean<Integer>(result);
 	}
 
+	/*********************************************
+	 * ������������������������������������
+	 *********************************************/
+	private String fileName = "Version.xml";
+	private String ip = "121.40.92.176";
+	private String userName = "ftp_user";
+	private String userPwd = "qwer1234";
+	private int port = 21;
+	private String path = "/";
+
+	@RequestMapping(value = "/upgrade", method = RequestMethod.GET)
+	public Version index() {
+		Version version = new Version();
+		FTPClient ftpClient = new FTPClient();
+		try {
+			ftpClient.connect(ip, port);
+			ftpClient.login(userName, userPwd);
+			ftpClient.changeWorkingDirectory(path);
+			//ftpClient.enterRemotePassiveMode();
+			ftpClient.enterLocalPassiveMode();
+			InputStream ins = ftpClient.retrieveFileStream(fileName);
+			BufferedReader reader = new BufferedReader(new InputStreamReader(ins,"utf-8"));
+			String line;
+			StringBuilder builder = new StringBuilder();
+			while ((line = reader.readLine()) != null) {
+				builder.append(line);
+			}
+			reader.close();
+			if (ins != null) {
+				ins.close();
+			}
+			ftpClient.getReply();
+			String content = builder.toString();
+			if(ftpClient.isConnected()) {
+				ftpClient.logout();
+				ftpClient.disconnect();
+			}
+			SAXReader saxReader = new SAXReader();
+			Document document = saxReader.read(new InputSource(new ByteArrayInputStream(content.getBytes("utf-8"))));
+			Element root = document.getRootElement();
+			version.setVer(root.element("Ver").getText());
+			version.setFileName(root.element("FileName").getText());
+			version.setFileMD5Hash(root.element("FileMD5Hash").getText());
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return version;
+	}
 }

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