getNoteTxt

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.1</version>
+		<version>3.0.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.flagnote</groupId>
@@ -15,7 +15,7 @@
 	<description>Demo project for Spring Boot</description>
 	<properties>
 		<java.version>17</java.version>
-		<spring-cloud.version>2022.0.0</spring-cloud.version>
+		<spring-cloud.version>2022.0.1</spring-cloud.version>
 	</properties>
 	<dependencies>
 		<dependency>

src/main/java/com/flagnote/note/controller/NoteController.java

@@ -21,6 +21,7 @@ import com.flagnote.note.entity.NoteMeta;
 import com.flagnote.note.service.NoteService;
 import com.flagnote.note.utils.BizKeyUtils;
 
+import cn.hutool.core.util.ZipUtil;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.extern.slf4j.Slf4j;
 
@@ -125,4 +126,10 @@ public class NoteController {
 		return key;
 	}
 	
+	@RequestMapping(value = "/note/{key:[abcdefghijkmnopqrstuvwxyz23456789]{16}}.txt", method = RequestMethod.GET, produces = MediaType.TEXT_PLAIN_VALUE)
+	public String getNoteText(@PathVariable("key") String key) {
+		return noteService.getNoteText(key);
+	}
+	
+
 }

src/main/java/com/flagnote/note/service/NoteService.java

@@ -10,4 +10,6 @@ public interface NoteService {
 
 	void deleteNote(String key);
 
+	String getNoteText(String key);
+
 }

src/main/java/com/flagnote/note/service/NoteServiceImpl.java

@@ -1,5 +1,8 @@
 package com.flagnote.note.service;
 
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
 import java.util.Date;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -10,8 +13,13 @@ import com.flagnote.note.repository.NoteMongoRepository;
 import com.flagnote.note.utils.BizKeyUtils;
 import com.flagnote.note.utils.SecretUtils;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.ByteUtil;
+import cn.hutool.core.util.CharUtil;
+import cn.hutool.core.util.CharsetUtil;
+import cn.hutool.core.util.ZipUtil;
 
 @Service
 public class NoteServiceImpl implements NoteService {
@@ -45,6 +53,15 @@ public class NoteServiceImpl implements NoteService {
 		return note;
 	}
 
+	@Override
+	public String getNoteText(String key) {
+		Note note = this.getNote(key);
+		if (null == note || ArrayUtil.isEmpty(note.getTextBytes())) {
+			return null;
+		}
+		return desNote(key, note);
+	}
+
 	@Override
 	public void saveNote(Note note) {
 		String mixKey = BizKeyUtils.mixKey(note.getKey());
@@ -66,11 +83,29 @@ public class NoteServiceImpl implements NoteService {
 	public void deleteNote(String key) {
 		String mixKey = BizKeyUtils.mixKey(key);
 		Note note = noteMongoRepository.findById(mixKey).orElse(null);
-
 		if (null != note && ArrayUtil.isNotEmpty(note.getTextBytes())) {
 			note.setState(0);
 			note.setTextBytes(null);
 			noteMongoRepository.save(note);
 		}
 	}
+
+	private String desNote(String key, Note note) {
+		if(null==note.getTextBytes()) {
+			return null;
+		}
+		String secretKey = BizKeyUtils.getSecretKey(key, "");
+		
+		byte[] asebts = ZipUtil.unGzip(note.getTextBytes());
+		Charset cs = CharsetUtil.CHARSET_UTF_8;
+	    ByteBuffer bb = ByteBuffer.allocate(asebts.length);
+	    bb.put(asebts).flip();
+	    CharBuffer cb = cs.decode(bb);
+		String result = SecretUtils.aesDecode(new String(cb.array()), secretKey);
+		if (result.startsWith("FLAGNOTE#")) {
+			return result.substring(9);
+		}
+		return "";
+	}
+
 }

src/main/java/com/flagnote/note/utils/BizKeyUtils.java

@@ -4,6 +4,7 @@ import java.io.UnsupportedEncodingException;
 import java.util.Date;
 
 import org.springframework.util.DigestUtils;
+import org.springframework.util.StringUtils;
 
 public class BizKeyUtils {
 
@@ -94,9 +95,14 @@ public class BizKeyUtils {
 	
 
 	public static String getSecretKey(String key, String password) {
-		return md5(key + md5(MIX_STRING + password));
+		  if (!StringUtils.hasText(password)) {
+			    password = key;
+		  }
+		  String aesString = SecretUtils.aesEncode(password, key);
+		  return md5(aesString+"_F1agn0te");
 	}
 	
+	
 	public static void main(String[] args) {
 		
 		int c = 0;

src/main/java/com/flagnote/note/utils/SecretUtils.java

@@ -1,21 +1,55 @@
 package com.flagnote.note.utils;
 
+import java.io.UnsupportedEncodingException;
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 
+import cn.hutool.core.codec.Base64;
+import cn.hutool.core.util.HexUtil;
 import cn.hutool.crypto.Mode;
 import cn.hutool.crypto.Padding;
 import cn.hutool.crypto.symmetric.AES;
 
 public class SecretUtils {
 
-	private static AES aes = new AES(Mode.ECB, Padding.PKCS5Padding,
+	private static AES aesNote = new AES(Mode.ECB, Padding.PKCS5Padding,
 			new SecretKeySpec("b9t3pzbmybc66cba".getBytes(), "AES"));
 	
+	
 	public static byte[] encodeNote(byte[] text) {
-		return aes.encrypt(text);
+		return aesNote.encrypt(text);
 	}
 
 	public static byte[] decodeNote(byte[] text) {
-		return aes.decrypt(text);
+		return aesNote.decrypt(text);
 	}
+	
+	public static String aesEncode(String word,String keyWord) {
+		AES aes = new AES(Mode.ECB, Padding.PKCS5Padding,
+				new SecretKeySpec(keyWord.getBytes(), "AES"));
+		return aes.encryptHex(word);
+	}
+	
+	public static String aesDecode(String word,String keyWord) {
+		AES aes = new AES(Mode.ECB, Padding.PKCS5Padding,
+				new SecretKeySpec(keyWord.getBytes(), "AES"));
+		return new String(aes.decrypt(HexUtil.decodeHex(word)));
+	}
+	
+	public static void main(String[] args) {
+		System.out.println(aesEncode("kaxfn73w2492eb2a","kaxfn73w2492eb2a"));;
+		 AES aesNote = new AES(Mode.ECB, Padding.PKCS5Padding,
+					new SecretKeySpec("kaxfn73w2492eb2a".getBytes(), "AES"));
+		 System.out.println(aesNote.encryptBase64("kaxfn73w2492eb2a"));
+		 System.out.println(new String(aesNote.decrypt(Base64.decode("ycaXaJnQZz9sq/3ezdEB66s4rZv9POL4Q9HRIOWtQPo="))));
+	}
+
 }