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| | |
| | | package com.hx.mybatis.aes.springbean; |
| | | |
| | | import com.gitee.sunchenbin.mybatis.actable.annotation.Table; |
| | | import com.hx.common.annotations.MysqlHexAes; |
| | | import com.hx.util.StringUtils; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | import org.springframework.stereotype.Component; |
| | | |
| | | import javax.annotation.PostConstruct; |
| | | import javax.annotation.Resource; |
| | | import java.io.File; |
| | | import java.io.FileFilter; |
| | | import java.io.IOException; |
| | | import java.lang.reflect.Field; |
| | | import java.net.JarURLConnection; |
| | | import java.net.URL; |
| | | import java.net.URLDecoder; |
| | | import java.util.*; |
| | | import java.util.jar.JarEntry; |
| | | import java.util.jar.JarFile; |
| | | |
| | | /** |
| | | * 获取指定包里面的AES秘钥 |
| | | */ |
| | | @Component |
| | | public class VariableAesKey { |
| | | |
| | | //log4j日志 |
| | | private static Logger logger = LoggerFactory.getLogger(VariableAesKey.class.getName()); |
| | | |
| | | @Resource |
| | | private ConstantBean constantBean; |
| | | |
| | | /**是否已经启动完*/ |
| | | public static int isRun = 0; |
| | | |
| | | /**存储所有AES的秘钥*/ |
| | | public static Map<String,String> aesKeys = new HashMap<>(); |
| | | /**根据表明来存储AES秘钥*/ |
| | | public static Map<String,Map<String,String>> aesKeysTable = new HashMap<>(); |
| | | |
| | | /**固定的aes秘钥*/ |
| | | public static String AES_KEY = null; |
| | | |
| | | /**存储AES秘钥*/ |
| | | public static void setAesKey(String aesKeyFild,String aesKey){ |
| | | aesKeys.put(aesKeyFild,aesKey); |
| | | } |
| | | /**获取AES秘钥*/ |
| | | public static String getAesKey(String aesKeyFild){ |
| | | if(aesKeyFild == null){ |
| | | return AES_KEY; |
| | | } |
| | | if(StringUtils.isEmpty(aesKeys.get(aesKeyFild))){ |
| | | return AES_KEY; |
| | | }else { |
| | | return aesKeys.get(aesKeyFild); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 项目启动就执行后就执行该方法 |
| | | */ |
| | | @PostConstruct |
| | | public void VariableAesKey(){ |
| | | |
| | | isRun = 1; |
| | | //项目启动的时候填入 |
| | | logger.info("扫描获取AES的包:" + constantBean.getPackPath()); |
| | | AES_KEY = constantBean.getFixedAesKey(); |
| | | if(!StringUtils.isEmpty(constantBean.getPackPath())){ |
| | | Set<Class<?>> classes = classData(constantBean.getPackPath()); |
| | | logger.info("扫描获取AES的包classes:" + classes.size()); |
| | | Map<String,String> aesKeysFild = new HashMap<>(); |
| | | boolean isAes = false; |
| | | String tableName = null; |
| | | |
| | | for(Class<?> cl:classes){ |
| | | //表名称 |
| | | boolean hasAnnotation = cl.isAnnotationPresent(Table.class); |
| | | if(!hasAnnotation){ |
| | | continue; |
| | | } |
| | | Table table = cl.getAnnotation(Table.class); |
| | | tableName = table.name(); |
| | | |
| | | aesKeysFild = new HashMap<>(); |
| | | isAes = false; |
| | | |
| | | // 取得本类的全部属性 |
| | | Field[] fields = cl.getDeclaredFields(); |
| | | fields = getPatentFields(fields,cl); |
| | | for (Field field:fields) { |
| | | // 判断方法中是否有指定注解类型的注解 |
| | | hasAnnotation = field.isAnnotationPresent(MysqlHexAes.class); |
| | | if (hasAnnotation) { |
| | | // 根据注解类型返回方法的指定类型注解 |
| | | MysqlHexAes mysqlHexAes = field.getAnnotation(MysqlHexAes.class); |
| | | |
| | | //String aesKeyField = mysqlHexAes.aesKeyField(); |
| | | String aesKey = mysqlHexAes.aesKey(); |
| | | |
| | | if(StringUtils.isEmpty(aesKey)){ |
| | | aesKey = constantBean.getFixedAesKey(); |
| | | if(StringUtils.isEmpty(aesKey)){ |
| | | throw new RuntimeException("mysql的AES秘钥不能为空:"+field.getName()); |
| | | } |
| | | } |
| | | String key = aesKeys.get(field.getName()); |
| | | if(StringUtils.isEmpty(key)){ |
| | | aesKeys.put(field.getName(),aesKey); |
| | | aesKeysFild.put(field.getName(),aesKey); |
| | | isAes = true; |
| | | }else{ |
| | | isAes = true; |
| | | aesKeysFild.put(field.getName(),aesKey); |
| | | if(!aesKey.equals(key)){ |
| | | throw new RuntimeException("字段/定义的AES秘钥字段【"+field.getName()+"】多个一样,但是AES秘钥不一样"); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | if(isAes){ |
| | | aesKeysTable.put(tableName,aesKeysFild); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | /**获取包下面的所有文件*/ |
| | | public static Set<Class<?>> classData(String packPath){ |
| | | Set<Class<?>> classes = new LinkedHashSet(); |
| | | String[] split = packPath.split(",|;"); |
| | | String[] var3 = split; |
| | | int var4 = split.length; |
| | | |
| | | label82: |
| | | for(int var5 = 0; var5 < var4; ++var5) { |
| | | String pack = var3[var5]; |
| | | boolean recursive = true; |
| | | String packageName = pack; |
| | | String packageDirName = pack.replace('.', '/'); |
| | | |
| | | try { |
| | | Enumeration dirs = Thread.currentThread().getContextClassLoader().getResources(packageDirName); |
| | | |
| | | while(true) { |
| | | label75: |
| | | while(true) { |
| | | if (!dirs.hasMoreElements()) { |
| | | continue label82; |
| | | } |
| | | |
| | | URL url = (URL)dirs.nextElement(); |
| | | String protocol = url.getProtocol(); |
| | | if ("file".equals(protocol)) { |
| | | System.err.println("file类型的扫描:" + pack); |
| | | String filePath = URLDecoder.decode(url.getFile(), "UTF-8"); |
| | | findAndAddClassesInPackageByFile(packageName, filePath, recursive, classes); |
| | | } else if ("jar".equals(protocol)) { |
| | | System.err.println("jar类型的扫描"); |
| | | |
| | | try { |
| | | JarFile jar = ((JarURLConnection)url.openConnection()).getJarFile(); |
| | | Enumeration entries = jar.entries(); |
| | | |
| | | while(true) { |
| | | JarEntry entry; |
| | | String name; |
| | | int idx; |
| | | do { |
| | | do { |
| | | if (!entries.hasMoreElements()) { |
| | | continue label75; |
| | | } |
| | | |
| | | entry = (JarEntry)entries.nextElement(); |
| | | name = entry.getName(); |
| | | if (name.charAt(0) == '/') { |
| | | name = name.substring(1); |
| | | } |
| | | } while(!name.startsWith(packageDirName)); |
| | | |
| | | idx = name.lastIndexOf(47); |
| | | if (idx != -1) { |
| | | packageName = name.substring(0, idx).replace('/', '.'); |
| | | } |
| | | } while(idx == -1 && !recursive); |
| | | |
| | | if (name.endsWith(".class") && !entry.isDirectory()) { |
| | | String className = name.substring(packageName.length() + 1, name.length() - 6); |
| | | |
| | | try { |
| | | classes.add(Class.forName(packageName + '.' + className)); |
| | | } catch (ClassNotFoundException var20) { |
| | | var20.printStackTrace(); |
| | | } |
| | | } |
| | | } |
| | | } catch (IOException var21) { |
| | | var21.printStackTrace(); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } catch (IOException var22) { |
| | | var22.printStackTrace(); |
| | | } |
| | | } |
| | | |
| | | return classes; |
| | | } |
| | | |
| | | /** |
| | | * 以文件的形式来获取包下的所有Class |
| | | * |
| | | * @param packageName |
| | | * @param packagePath |
| | | * @param recursive |
| | | * @param classes |
| | | */ |
| | | public static void findAndAddClassesInPackageByFile( |
| | | String packageName, |
| | | String packagePath, |
| | | final boolean recursive, |
| | | Set<Class<?>> classes){ |
| | | // 获取此包的目录 建立一个File |
| | | File dir = new File(packagePath); |
| | | // 如果不存在或者 也不是目录就直接返回 |
| | | if (!dir.exists() || !dir.isDirectory()) { |
| | | // log.warn("用户定义包名 " + packageName + " 下没有任何文件"); |
| | | return; |
| | | } |
| | | // 如果存在 就获取包下的所有文件 包括目录 |
| | | File[] dirfiles = dir.listFiles(new FileFilter(){ |
| | | // 自定义过滤规则 如果可以循环(包含子目录) 或则是以.class结尾的文件(编译好的java类文件) |
| | | @Override |
| | | public boolean accept(File file){ |
| | | return (recursive && file.isDirectory()) || (file.getName().endsWith(".class")); |
| | | } |
| | | }); |
| | | // 循环所有文件 |
| | | for (File file : dirfiles){ |
| | | // 如果是目录 则继续扫描 |
| | | if (file.isDirectory()) { |
| | | findAndAddClassesInPackageByFile(packageName + "." + file.getName(), file.getAbsolutePath(), recursive, classes); |
| | | }else{ |
| | | // 如果是java类文件 去掉后面的.class 只留下类名 |
| | | String className = file.getName().substring(0, file.getName().length() - 6); |
| | | try{ |
| | | // 添加到集合中去 |
| | | // classes.add(Class.forName(packageName + '.' + |
| | | // className)); |
| | | // 经过回复同学的提醒,这里用forName有一些不好,会触发static方法,没有使用classLoader的load干净 |
| | | classes.add(Thread.currentThread().getContextClassLoader().loadClass(packageName + '.' + className)); |
| | | }catch (ClassNotFoundException e){ |
| | | // log.error("添加用户自定义视图类错误 找不到此类的.class文件"); |
| | | e.printStackTrace(); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 获取父类的字段 |
| | | * @param fields |
| | | * @param clas |
| | | * @return |
| | | */ |
| | | public static Field[] getPatentFields(Field[] fields,Class<?> clas){ |
| | | if (clas.getSuperclass() != null) { |
| | | Class clsSup = clas.getSuperclass(); |
| | | List<Field> fieldList = new ArrayList<Field>(); |
| | | fieldList.addAll(Arrays.asList(fields)); |
| | | fieldList.addAll(Arrays.asList(clsSup.getDeclaredFields())); |
| | | fields = new Field[fieldList.size()]; |
| | | int i = 0; |
| | | for (Object field : fieldList.toArray()) { |
| | | fields[i] = (Field) field; |
| | | i++; |
| | | } |
| | | fields = getPatentFields(fields,clsSup); |
| | | } |
| | | return fields; |
| | | } |
| | | |
| | | |
| | | } |