From 3a47fb81856937bf470f7ad8a5de8e25e2443f6f Mon Sep 17 00:00:00 2001
From: KNKIM <knkim@digitalship.co.kr>
Date: Tue, 3 Aug 2021 11:39:03 +0900
Subject: [PATCH] =?UTF-8?q?=EB=8B=A4=EC=9A=B4=EB=A1=9C=EB=93=9C=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EB=B3=B4=EC=99=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 data/fileupload/bbs/qna/.gitignore            |   8 +-
 ...052436092_0A84FA72B1B1478ABEB285536B81B587 | Bin 10519 -> 10178 bytes
 ...052436092_F1DB407F181A4B8AAA0859E56D4EDB57 | Bin 10519 -> 10165 bytes
 ...052436092_F1F06656D13C451BA42E21B4028F3838 | Bin 10519 -> 0 bytes
 .../nlib/cmm/fileupload/DownloadView.java     |  13 +--
 .../cmm/fileupload/FileUploadController.java  |  95 ++++++++++++++----
 src/main/java/nlib/util/FileUtil.java         |  10 ++
 .../springmvc/dispatcher-servlet.xml          |   8 ++
 8 files changed, 102 insertions(+), 32 deletions(-)
 delete mode 100644 data/fileupload/bbs/qna/F20210802052436092_F1F06656D13C451BA42E21B4028F3838

diff --git a/data/fileupload/bbs/qna/.gitignore b/data/fileupload/bbs/qna/.gitignore
index eedfeaba..f861d22d 100644
--- a/data/fileupload/bbs/qna/.gitignore
+++ b/data/fileupload/bbs/qna/.gitignore
@@ -1,4 +1,4 @@
-/F20210716045132766_5A30C3D2F8AB44A6867D76329E4502E2
-/F20210716045132766_B48A0FCFBE2D46D290B31DDECB61DA9B
-/F20210716045247870_C228F5BAD6894E66A50B48F63CA8916C
-/F20210716045247870_E8D7EB4610604852982585486F9BAD5A
+/*
+!/F20210802052436092_0A84FA72B1B1478ABEB285536B81B587
+!/F20210802052436092_F1DB407F181A4B8AAA0859E56D4EDB57
+
diff --git a/data/fileupload/bbs/qna/F20210802052436092_0A84FA72B1B1478ABEB285536B81B587 b/data/fileupload/bbs/qna/F20210802052436092_0A84FA72B1B1478ABEB285536B81B587
index be14bd8a064cc64c487917ae3a143c3ef6b45c62..8eed248cc767bed53cdbe4b77b69f0c263376043 100644
GIT binary patch
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diff --git a/data/fileupload/bbs/qna/F20210802052436092_F1DB407F181A4B8AAA0859E56D4EDB57 b/data/fileupload/bbs/qna/F20210802052436092_F1DB407F181A4B8AAA0859E56D4EDB57
index be14bd8a064cc64c487917ae3a143c3ef6b45c62..d852d8f3c54e614947233435719b9dfbeebd1685 100644
GIT binary patch
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diff --git a/src/main/java/nlib/cmm/fileupload/DownloadView.java b/src/main/java/nlib/cmm/fileupload/DownloadView.java
index 052ba1a9..fab3f7c7 100644
--- a/src/main/java/nlib/cmm/fileupload/DownloadView.java
+++ b/src/main/java/nlib/cmm/fileupload/DownloadView.java
@@ -23,27 +23,28 @@ public class DownloadView extends AbstractView {
 		File file = (File)model.get("downloadFile");
         if(file != null) {
             String fileName =(String)model.get("fname");
+            String encfileName = null;
             String userAgent = request.getHeader("User-Agent");
             
             if(userAgent.indexOf("MSIE") > -1 || userAgent.indexOf("Trident") > -1){
-                //fileName = URLEncoder.encode(file.getName(), "utf-8").replaceAll("\\+", "%20");;
+            	encfileName = URLEncoder.encode(fileName, "utf-8").replaceAll("\\+", "%20");;
             }else if(userAgent.indexOf("Chrome") > -1) {
             	StringBuffer sb = new StringBuffer();
-            	for(int i=0; i<file.getName().length(); i++) {
-            		char c = file.getName().charAt(i);
+            	for(int i=0; i<fileName.length(); i++) {
+            		char c = fileName.charAt(i);
             		if(c > '~') {
             			sb.append(URLEncoder.encode(""+c, "UTF-8"));
             		}else {
             			sb.append(c);
             		}
             	}
-            	//fileName = sb.toString();
+            	encfileName = sb.toString();
             }else {
-            	//fileName = new String(file.getName().getBytes("utf-8"));
+            	encfileName = new String(fileName.getBytes("utf-8"));
             }
             response.setContentType(getContentType());
             response.setContentLength((int)file.length());
-            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\";");
+            response.setHeader("Content-Disposition", "attachment; filename=\"" + encfileName + "\";");
             response.setHeader("Content-Transfer-Encoding", "binary");
             
             OutputStream out = response.getOutputStream();
diff --git a/src/main/java/nlib/cmm/fileupload/FileUploadController.java b/src/main/java/nlib/cmm/fileupload/FileUploadController.java
index e3501e34..a4e65e58 100644
--- a/src/main/java/nlib/cmm/fileupload/FileUploadController.java
+++ b/src/main/java/nlib/cmm/fileupload/FileUploadController.java
@@ -76,7 +76,22 @@ public class FileUploadController {
 	 * 첨부파일 임시 저장 위치 
 	 */
 	private String FILEUPLOAD_TEMP_SUBPATH = nlibProperty.getProperty("fileupload.temp.subpath");
+
+	/**
+	 * 경로 부적합 오류 메시지 
+	 */
+	private static final String MSG_NOT_VALID_FILE_PATH = "파일 경로가 부적합합니다. 관리자에게 문의하여 주시기 바랍니다."; 
+
 	
+	/**
+	 * 파일업로드(Ajax) 처리
+	 * - 화면 : Javascript Free Open Framework DropZone 사용 
+	 * 
+	 * @param multiRequest
+	 * @param subPathKey
+	 * @param response : 파일정보를 담은 JSON String  
+	 * @return
+	 */
 	@ResponseBody
 	@RequestMapping(value="/fileupload/uploadFilesAjax.do", produces="application/json")
 	public ResponseEntity uploadFilesAjax(
@@ -84,22 +99,47 @@ public class FileUploadController {
 			, @RequestParam("subPathKey") String subPathKey
 			, HttpServletResponse response) {
 		
-		// TODO : 권한 체크 추가할 것 
+		String message = null;
 		
+		// TODO : 권한 체크 추가할 것 
 		List<FileVO> result = new ArrayList<FileVO>();
 		
 		try {
 
 			// 최상위 위치 
-			if(FileUtil.isNotValid(FILEUPLOAD_BASE_PATH)) throw new Exception("첨부파일이 저장되는 최상위 위치값이 적절하지 않습니다.");
+			if(FileUtil.isEmpty(FILEUPLOAD_BASE_PATH)) {
+				message = "첨부파일이 저장되는 최상위 위치정보값이 정확하지 않습니다.";
+				log.error(message + " : FILEUPLOAD_BASE_PATH 값 부재");
+				ErrorMessage errorMessage = new ErrorMessage("ERROR", message);
+				return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMessage);
+			}
 			
 			// 서브 위치 
-			if(StringUtil.isEmpty(subPathKey)) throw new Exception("첨부파일이 저장되는 위치정보값이 정확하지 않습니다.");
+			if(StringUtil.isEmpty(subPathKey)) {
+				message = "첨부파일이 저장되는 하위 위치정보값이 정확하지 않습니다.";
+				log.error(message + " : 매개변수 subPathKey 값 부재");
+				ErrorMessage errorMessage = new ErrorMessage("ERROR", message);
+				return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMessage);
+			}
 			String subPath = nlibProperty.getProperty(subPathKey);
-			if(FileUtil.isNotValid(subPath)) throw new Exception("첨부파일 서브 위치값이 적절하지 않습니다.");
+			if(StringUtil.isEmpty(subPath)) {
+				message = "첨부파일이 저장되는 하위 위치정보값을 찾을 수 없습니다.";
+				log.error(message + " : 매개변수 subPathKey의 속성값 부재");
+				ErrorMessage errorMessage = new ErrorMessage("ERROR", message);
+				return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMessage);
+			}
 			
+			// 위치정보 적합 확인 
+			if(FileUtil.isNotValid(FILEUPLOAD_BASE_PATH + subPath)) {
+				message = MSG_NOT_VALID_FILE_PATH;
+				log.error(message + " : " + (FILEUPLOAD_BASE_PATH + subPath));
+				ErrorMessage errorMessage = new ErrorMessage("ERROR", message);
+				return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMessage);
+			}
+			
+			// 파일 업로드 처리 
 			final Map<String, MultipartFile> files = multiRequest.getFileMap();
-			log.debug("uploadFilesAjax : 진입 " + (files == null ? " files null " : files.size()));
+			log.debug("uploadFilesAjax : 진입 > 파일수 = " + (files == null ? " files null " : files.size()));
 			
 			File dir = new File(FILEUPLOAD_BASE_PATH + subPath);
 			if(!dir.exists() || !dir.isDirectory()) dir.mkdirs();
@@ -119,37 +159,30 @@ public class FileUploadController {
 					String orginFileName = file.getOriginalFilename();
 
 					//--------------------------------------
-					// 원 파일명이 없는 경우 처리
+					// 원 파일명이 없는 경우 처리 SKIP 
 					// (첨부가 되지 않은 input file type)
 					//--------------------------------------
-					if ("".equals(orginFileName)) {
+					if (orginFileName == null || "".equals(orginFileName)) {
 						continue;
 					}
-					////------------------------------------
 
 					int index = orginFileName.lastIndexOf(".");
-					//String fileName = orginFileName.substring(0, index);
-					String fileExt = orginFileName.substring(index + 1);
-					//String newName = KeyStr + getTimeStamp() + fileKey;
+					String fileExt = (index < 1 ? "" : orginFileName.substring(index + 1));
 					String newName = UUID.getPhysicalFileName();
 					long size = file.getSize();
 					
-					log.debug("FILE UPLOAD : File New Name=" + newName);
-
 					if (!"".equals(orginFileName)) {
 						filePath = FILEUPLOAD_BASE_PATH + subPath + "/" + newName;
 						log.debug("FILE UPLOAD : filePath=" + filePath);
 						
-						file.transferTo(new File(EgovWebUtil.filePathBlackList(filePath)));
+						file.transferTo(new File(FileUtil.filePathBlackList(filePath)));
 					}
 					
 					fvo = new FileVO();
 					fvo.setFileExtsn(fileExt);
-					//fvo.setFileStreCours(storePathString);
 					fvo.setFileMg(Long.toString(size));
 					fvo.setOrignlFileNm(orginFileName);
 					fvo.setStreFileNm(newName);
-					//fvo.setAtchFileId(atchFileIdString);
 					fvo.setFileSn(String.valueOf(fileKey));
 
 					result.add(fvo);
@@ -172,25 +205,43 @@ public class FileUploadController {
 		} catch (JsonProcessingException e) {
 			json = null;
 			e.printStackTrace();
+			ErrorMessage errorMessage = new ErrorMessage("ERROR", "JSON 변환 처리에 실패하였습니다 : " + e.toString());
+			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMessage);
 		}
 
 		HttpHeaders responseHeaders = new HttpHeaders();
-	    //responseHeaders.set("Content-Type", "application/json; charset=UTF-8");
-		
 	    ResponseEntity ret = ResponseEntity.ok().headers(responseHeaders).body(json);
 		return ret;
 	}
-
+	
+	/**
+	 * 파일 다운로드를 처리한다. 
+	 * 
+	 * @param params
+	 * @param mv
+	 * @return
+	 * @throws Exception
+	 */
 	@RequestMapping(value="/fileupload/downloadFiles.do")
-	public ModelAndView download(@RequestParam HashMap<Object, Object> params, ModelAndView mv) {
+	public ModelAndView download(@RequestParam HashMap<Object, Object> params, ModelAndView mv) throws Exception {
+		
+		// TODO 권한 설정 기능 추가 필요 
+		
 		String fid = (String) params.get("fid");
 		String fname = (String) params.get("fname");
 		String subPath = nlibProperty.getProperty((String) params.get("subPathKey"));
 		
 		String fullPath = FILEUPLOAD_BASE_PATH + "/" + subPath + "/" + fid;
-		File file = new File(fullPath);
+		if(FileUtil.isNotValid(fullPath)) {
+			throw new Exception(MSG_NOT_VALID_FILE_PATH);
+		}
 		
-		mv.setViewName("downloadView");
+		File file = new File(FileUtil.filePathBlackList(fullPath));
+		if(!file.isFile()) {
+			throw new Exception("파일 정보가 부적합합니다. 관리자에게 문의하여 주시기 바랍니다.");
+		}
+		
+		mv.setViewName("downloadView"); // dispatcher-servlet.xml내 BeanNameViewResolver 정의 
 		mv.addObject("downloadFile", file);
 		mv.addObject("fname", fname);
 		
diff --git a/src/main/java/nlib/util/FileUtil.java b/src/main/java/nlib/util/FileUtil.java
index 027dcf30..571e223f 100644
--- a/src/main/java/nlib/util/FileUtil.java
+++ b/src/main/java/nlib/util/FileUtil.java
@@ -1,5 +1,6 @@
 package nlib.util;
 
+import egovframework.com.cmm.EgovWebUtil;
 import egovframework.com.utl.fcc.service.EgovStringUtil;
 
 /**
@@ -50,4 +51,13 @@ public class FileUtil extends EgovStringUtil {
 		return !isValid(pathOrFilename);
 	}
 	
+	/**
+	 * 파일 경로 문자열에서 보안 문제가 되는 문자를 제거하여 리턴한다.
+	 * 
+	 * @param path
+	 * @return
+	 */
+	public static String filePathBlackList(String path) {
+		return EgovWebUtil.filePathBlackList(path);
+	}
 }
diff --git a/src/main/webapp/WEB-INF/config/egovframework/springmvc/dispatcher-servlet.xml b/src/main/webapp/WEB-INF/config/egovframework/springmvc/dispatcher-servlet.xml
index 087a7bf6..92966eb0 100644
--- a/src/main/webapp/WEB-INF/config/egovframework/springmvc/dispatcher-servlet.xml
+++ b/src/main/webapp/WEB-INF/config/egovframework/springmvc/dispatcher-servlet.xml
@@ -82,4 +82,12 @@
 	<!-- /For Pagination Tag -->
 
     <!-- <mvc:view-controller path="/cmmn/validator.do" view-name="cmmn/validator"/> -->
+    
+    <!-- 파일다운로드 -->
+    <bean class="org.springframework.web.servlet.view.BeanNameViewResolver">
+              <property name="order" value="0"/>
+    </bean>
+    <bean id="downloadView" class="nlib.cmm.fileupload.DownloadView"/>
+    
+
 </beans>
\ No newline at end of file