fix checksum bug #2401

common/src/main/java/com/alibaba/nacos/common/utils/Md5Utils.java

@@ -15,7 +15,9 @@
  */
 package com.alibaba.nacos.common.utils;
 
-import java.io.UnsupportedEncodingException;
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 
 /**
  * MD5 generator
@@ -24,35 +26,34 @@
  */
 public class Md5Utils {
 
+    private static ThreadLocal<MessageDigest> MESSAGE_DIGEST_LOCAL = new ThreadLocal<MessageDigest>() {
+        @Override
+        protected MessageDigest initialValue() {
+            try {
+                return MessageDigest.getInstance("MD5");
+            } catch (NoSuchAlgorithmException e) {
+                return null;
+            }
+        }
+    };
+
     private static final int HEX_VALUE_COUNT = 16;
 
-    public static String getMD5(byte[] bytes) {
-        char[] hexDigits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
-        char[] str = new char[16 * 2];
-        try {
-            java.security.MessageDigest md = java.security.MessageDigest.getInstance("MD5");
-            md.update(bytes);
-            byte[] tmp = md.digest();
-            int k = 0;
-            for (int i = 0; i < HEX_VALUE_COUNT; i++) {
-                byte byte0 = tmp[i];
-                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
-                str[k++] = hexDigits[byte0 & 0xf];
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
+    public static String getMD5(byte[] bytes) throws NoSuchAlgorithmException {
+
+        MessageDigest messageDigest = MESSAGE_DIGEST_LOCAL.get();
+        if (messageDigest != null) {
+            return new BigInteger(1, messageDigest.digest(bytes)).toString(HEX_VALUE_COUNT);
         }
-        return new String(str);
+
+        throw new NoSuchAlgorithmException("MessageDigest get MD5 instance error");
     }
 
     public static String getMD5(String value, String encode) {
-        String result = "";
         try {
-            result = getMD5(value.getBytes(encode));
-        } catch (UnsupportedEncodingException e) {
-            e.printStackTrace();
+            return getMD5(value.getBytes(encode));
+        } catch (Exception e) {
+            throw new RuntimeException(e);
         }
-
-        return result;
     }
 }

config/src/main/java/com/alibaba/nacos/config/server/aspect/RequestLogAspect.java

@@ -15,11 +15,12 @@
  */
 package com.alibaba.nacos.config.server.aspect;
 
+import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.service.ConfigService;
 import com.alibaba.nacos.config.server.utils.GroupKey2;
 import com.alibaba.nacos.config.server.utils.LogUtil;
-import com.alibaba.nacos.config.server.utils.MD5;
 import com.alibaba.nacos.config.server.utils.RequestUtil;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.annotation.Around;
@@ -66,7 +67,7 @@ public class RequestLogAspect {
     public Object interfacePublishSingle(ProceedingJoinPoint pjp, HttpServletRequest request,
                                          HttpServletResponse response, String dataId, String group, String tenant,
                                          String content) throws Throwable {
-        final String md5 = content == null ? null : MD5.getInstance().getMD5String(content);
+        final String md5 = content == null ? null : Md5Utils.getMD5(content, Constants.ENCODE);
         MetricsMonitor.getPublishMonitor().incrementAndGet();
         return logClientRequest("publish", pjp, request, response, dataId, group, tenant, md5);
     }

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfoBase.java

@@ -15,7 +15,8 @@
  */
 package com.alibaba.nacos.config.server.model;
 
-import com.alibaba.nacos.config.server.utils.MD5;
+import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.config.server.constant.Constants;
 
 import java.io.PrintWriter;
 import java.io.Serializable;
@@ -46,7 +47,7 @@ public ConfigInfoBase(String dataId, String group, String content) {
         this.group = group;
         this.content = content;
         if (this.content != null) {
-            this.md5 = MD5.getInstance().getMD5String(this.content);
+            this.md5 = Md5Utils.getMD5(this.content, Constants.ENCODE);
         }
     }
 

config/src/main/java/com/alibaba/nacos/config/server/service/ConfigService.java

@@ -15,12 +15,12 @@
  */
 package com.alibaba.nacos.config.server.service;
 
+import com.alibaba.nacos.common.utils.Md5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.model.CacheItem;
 import com.alibaba.nacos.config.server.model.ConfigInfoBase;
 import com.alibaba.nacos.config.server.utils.GroupKey;
 import com.alibaba.nacos.config.server.utils.GroupKey2;
-import com.alibaba.nacos.config.server.utils.MD5;
 import com.alibaba.nacos.config.server.utils.PropertyUtil;
 import com.alibaba.nacos.config.server.utils.event.EventDispatcher;
 import org.apache.commons.lang3.StringUtils;
@@ -70,7 +70,8 @@ static public boolean dump(String dataId, String group, String tenant, String co
         }
 
         try {
-            final String md5 = MD5.getInstance().getMD5String(content);
+            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+
             if (md5.equals(ConfigService.getContentMd5(groupKey))) {
                 dumpLog.warn(
                     "[dump-ignore] ignore to save cache file. groupKey={}, md5={}, lastModifiedOld={}, "
@@ -115,7 +116,7 @@ static public boolean dumpBeta(String dataId, String group, String tenant, Strin
         }
 
         try {
-            final String md5 = MD5.getInstance().getMD5String(content);
+            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
             if (md5.equals(ConfigService.getContentBetaMd5(groupKey))) {
                 dumpLog.warn(
                     "[dump-beta-ignore] ignore to save cache file. groupKey={}, md5={}, lastModifiedOld={}, "
@@ -154,7 +155,7 @@ static public boolean dumpTag(String dataId, String group, String tenant, String
         }
 
         try {
-            final String md5 = MD5.getInstance().getMD5String(content);
+            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
             if (md5.equals(ConfigService.getContentTagMd5(groupKey, tag))) {
                 dumpLog.warn(
                     "[dump-tag-ignore] ignore to save cache file. groupKey={}, md5={}, lastModifiedOld={}, "
@@ -191,7 +192,7 @@ static public boolean dumpChange(String dataId, String group, String tenant, Str
         }
 
         try {
-            final String md5 = MD5.getInstance().getMD5String(content);
+            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
             if (!STANDALONE_MODE || PropertyUtil.isStandaloneUseMysql()) {
                 String loacalMd5 = DiskUtil.getLocalConfigMd5(dataId, group, tenant);
                 if (md5.equals(loacalMd5)) {

config/src/main/java/com/alibaba/nacos/config/server/service/DiskUtil.java

@@ -16,9 +16,9 @@
 package com.alibaba.nacos.config.server.service;
 
 import com.alibaba.nacos.common.utils.IoUtils;
+import com.alibaba.nacos.common.utils.Md5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.utils.LogUtil;
-import com.alibaba.nacos.config.server.utils.MD5;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
@@ -172,7 +172,7 @@ static public String getConfig(String dataId, String group, String tenant)
 
     static public String getLocalConfigMd5(String dataId, String group, String tenant)
         throws IOException {
-        return MD5.getInstance().getMD5String(getConfig(dataId, group, tenant));
+        return Md5Utils.getMD5(getConfig(dataId, group, tenant), Constants.ENCODE);
     }
 
     static public File heartBeatFile() {

config/src/main/java/com/alibaba/nacos/config/server/service/PersistService.java

@@ -15,11 +15,12 @@
  */
 package com.alibaba.nacos.config.server.service;
 
+import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.enums.FileTypeEnum;
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.config.server.model.*;
 import com.alibaba.nacos.config.server.utils.LogUtil;
-import com.alibaba.nacos.config.server.utils.MD5;
 import com.alibaba.nacos.config.server.utils.PaginationHelper;
 import com.alibaba.nacos.config.server.utils.ParamUtils;
 import com.alibaba.nacos.config.server.utils.event.EventDispatcher;
@@ -537,7 +538,7 @@ public void addConfigInfo4Beta(ConfigInfo configInfo, String betaIps,
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         try {
-            String md5 = MD5.getInstance().getMD5String(configInfo.getContent());
+            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "INSERT INTO config_info_beta(data_id,group_id,tenant_id,app_name,content,md5,beta_ips,src_ip,"
                     + "src_user,gmt_create,gmt_modified) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -563,7 +564,7 @@ public void addConfigInfo4Tag(ConfigInfo configInfo, String tag, String srcIp, S
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
         try {
-            String md5 = MD5.getInstance().getMD5String(configInfo.getContent());
+            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "INSERT INTO config_info_tag(data_id,group_id,tenant_id,tag_id,app_name,content,md5,src_ip,src_user,"
                     + "gmt_create,gmt_modified) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -627,7 +628,7 @@ public void updateConfigInfo4Beta(ConfigInfo configInfo, String srcIp, String sr
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         try {
-            String md5 = MD5.getInstance().getMD5String(configInfo.getContent());
+            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "UPDATE config_info_beta SET content=?, md5 = ?, src_ip=?,src_user=?,gmt_modified=?,app_name=? WHERE "
                     + "data_id=? AND group_id=? AND tenant_id=?",
@@ -653,7 +654,7 @@ public void updateConfigInfo4Tag(ConfigInfo configInfo, String tag, String srcIp
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
         try {
-            String md5 = MD5.getInstance().getMD5String(configInfo.getContent());
+            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "UPDATE config_info_tag SET content=?, md5 = ?, src_ip=?,src_user=?,gmt_modified=?,app_name=? WHERE "
                     + "data_id=? AND group_id=? AND tenant_id=? AND tag_id=?",
@@ -2694,7 +2695,7 @@ private long addConfigInfoAtomic(final String srcIp, final String srcUser, final
         final String type = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("type");
         final String schema = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("schema");
 
-        final String md5Tmp = MD5.getInstance().getMD5String(configInfo.getContent());
+        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
 
         KeyHolder keyHolder = new GeneratedKeyHolder();
 
@@ -2903,7 +2904,7 @@ private void updateConfigInfoAtomic(final ConfigInfo configInfo, final String sr
                                         final Timestamp time, Map<String, Object> configAdvanceInfo) {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
-        final String md5Tmp = MD5.getInstance().getMD5String(configInfo.getContent());
+        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
         String desc = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("desc");
         String use = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("use");
         String effect = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("effect");
@@ -3060,7 +3061,7 @@ private void insertConfigHistoryAtomic(long id, ConfigInfo configInfo, String sr
                                            final Timestamp time, String ops) {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
-        final String md5Tmp = MD5.getInstance().getMD5String(configInfo.getContent());
+        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
         try {
             jt.update(
                 "INSERT INTO his_config_info (id,data_id,group_id,tenant_id,app_name,content,md5,src_ip,src_user,gmt_modified,op_type) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -3354,8 +3355,7 @@ public Boolean completeMd5() {
                     String md5InDb = cf.getMd5();
                     final String content = cf.getContent();
                     final String tenant = cf.getTenant();
-                    final String md5 = MD5.getInstance().getMD5String(
-                        content);
+                    final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
                     if (StringUtils.isBlank(md5InDb)) {
                         try {
                             updateMd5(cf.getDataId(), cf.getGroup(), tenant, md5, new Timestamp(cf.getLastModified()));

config/src/main/java/com/alibaba/nacos/config/server/service/dump/DumpService.java

@@ -16,6 +16,7 @@
 package com.alibaba.nacos.config.server.service.dump;
 
 import com.alibaba.nacos.common.utils.IoUtils;
+import com.alibaba.nacos.common.utils.Md5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.manager.TaskManager;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
@@ -346,7 +347,8 @@ public void run() {
                         ConfigInfo cf = MergeTaskProcessor.merge(dataId, group, tenant, datumList);
                         String aggrContent = cf.getContent();
                         String localContentMD5 = ConfigService.getContentMd5(GroupKey.getKey(dataId, group));
-                        String aggrConetentMD5 = MD5.getInstance().getMD5String(aggrContent);
+                        String aggrConetentMD5 = Md5Utils.getMD5(aggrContent, Constants.ENCODE);
+
                         if (!StringUtils.equals(localContentMD5, aggrConetentMD5)) {
                             persistService.insertOrUpdate(null, null, cf, time, null, false);
                             log.info("[merge-ok] {}, {}, size={}, length={}, md5={}, content={}", dataId, group,

config/src/main/java/com/alibaba/nacos/config/server/service/dump/DumpTask.java

@@ -15,6 +15,8 @@
  */
 package com.alibaba.nacos.config.server.service.dump;
 
+import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.manager.AbstractTask;
 import com.alibaba.nacos.config.server.manager.TaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
@@ -28,7 +30,6 @@
 import com.alibaba.nacos.config.server.service.trace.ConfigTraceService;
 import com.alibaba.nacos.config.server.utils.GroupKey2;
 import com.alibaba.nacos.config.server.utils.LogUtil;
-import com.alibaba.nacos.config.server.utils.MD5;
 import org.apache.commons.lang3.StringUtils;
 
 import java.sql.Timestamp;
@@ -264,7 +265,7 @@ public boolean process(String taskType, AbstractTask task) {
                         cf.getLastModified(), cf.getType());
 
                     final String content = cf.getContent();
-                    final String md5 = MD5.getInstance().getMD5String(content);
+                    final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
                     LogUtil.dumpLog.info("[dump-all-ok] {}, {}, length={}, md5={}",
                         GroupKey2.getKey(cf.getDataId(), cf.getGroup()), cf.getLastModified(), content.length(), md5);
                 }
@@ -409,7 +410,7 @@ public boolean process(String taskType, AbstractTask task) {
             boolean result = ConfigService.dumpChange(cf.getDataId(), cf.getGroup(), cf.getTenant(),
                 cf.getContent(), cf.getLastModified());
             final String content = cf.getContent();
-            final String md5 = MD5.getInstance().getMD5String(content);
+            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
             LogUtil.defaultLog.info(
                 "[dump-change-ok] {}, {}, length={}, md5={}",
                 new Object[] {

config/src/main/java/com/alibaba/nacos/config/server/service/trace/ConfigTraceService.java

@@ -15,9 +15,10 @@
  */
 package com.alibaba.nacos.config.server.service.trace;
 
+import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.utils.LogUtil;
-import com.alibaba.nacos.config.server.utils.MD5;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
@@ -61,7 +62,8 @@ public static void logPersistenceEvent(String dataId, String group, String tenan
         }
         //localIp | dataid | group | tenant | requestIpAppName | ts | handleIp | event | type | [delayed = -1] | ext
         // (md5)
-        String md5 = content == null ? null : MD5.getInstance().getMD5String(content);
+        String md5 = content == null ? null : Md5Utils.getMD5(content, Constants.ENCODE);
+
         LogUtil.traceLog.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", LOCAL_IP, dataId, group, tenant,
             requestIpAppName, ts, handleIp, "persist", type, -1, md5);
     }