SpringBoot使用druid的密码加密
1.springboot默认连接池
习惯使用springboot的小伙伴通过开始学习springboot链接数据库时,都会尝试着官方文档来 学习,所以springboot默认支持的数据库连接池c3p0和 dhcp,大家应该都很熟悉了吧,只需要在.propeties文件中配置下数据库连接字符串即可,默认采用c3p0链接池进行连接数据库,但是今天我着重记录的并非官方默认支持的链接池,而是集成性能不错的阿里数据源druid。
2.阿里连接池druid介绍
Druid介绍
Druid是一个JDBC组件,druid 是阿里开源在 github 上面的数据库连接池,它包括三部分:
* DruidDriver 代理Driver,能够提供基于Filter-Chain模式的插件体系。
* DruidDataSource 高效可管理的数据库连接池。
* SQLParser 专门解析 sql 语句
Druid 有什么优点?
1. 可以监控数据库访问性能,Druid内置提供了一个功能强大的StatFilter插件,能够详细统计SQL的执行性能,这对于线上分析数据库访问性能有帮助。
2. 替换DBCP和C3P0。Druid提供了一个高效、功能强大、可扩展性好的数据库连接池。
3. 数据库密码加密。直接把数据库密码写在配置文件中,这是不好的行为,容易导致安全问题。DruidDruiver和DruidDataSource都支持PasswordCallback。
4. SQL执行日志,Druid提供了不同的LogFilter,能够支持Common-Logging、Log4j和JdkLog,你可以按需要选择相应的LogFilter,监控你应用的数据库访问情况。
5. 扩展JDBC,如果你要对JDBC层有编程的需求,可以通过Druid提供的Filter-Chain机制,很方便编写JDBC层的扩展插件
3.druid加解密浅析
java -cp druid-1.0.16.jar com.alibaba.druid.filter.config.ConfigTools you_password
- privateKey:MIIBVgIBADANBgkqhkiG9w0BAQEFAASCAUAwggE8AgEAAkEA6+4avFnQKP+O7bu5YnxWoOZjv3no4aFV558HTPDoXs6EGD0HP7RzzhGPOKmpLQ1BbA5viSht+aDdaxXp6SvtMQIDAQABAkAeQt4fBo4SlCTrDUcMANLDtIlax/I87oqsONOg5M2JS0jNSbZuAXDv7/YEGEtMKuIESBZh7pvVG8FV531/fyOZAiEA+POkE+QwVbUfGyeugR6IGvnt4yeOwkC3bUoATScsN98CIQDynBXC8YngDNwZ62QPX+ONpqCel6g8NO9VKC+ETaS87wIhAKRouxZL38PqfqV/WlZ5ZGd0YS9gA360IK8zbOmHEkO/AiEAsES3iuvzQNYXFL3x9Tm2GzT1fkSx9wx+12BbJcVD7AECIQCD3Tv9S+AgRhQoNcuaSDNluVrL/B/wOmJRLqaOVJLQGg==
- publicKey:MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAOvuGrxZ0Cj/ju27uWJ8VqDmY7956OGhVeefB0zw6F7OhBg9Bz+0c84RjzipqS0NQWwOb4kobfmg3WsV6ekr7TECAwEAAQ==
通过加密时使用的命令我们不难看出druid对数据库密码加解密用的是configFilter这个类,所以在配置数据源链接时务必将该filter添加上,否则始终会抛出数据库连接异常,而druid是有重试机制的,默认重试30次,如果数据库做了限制频繁账号尝试连接的话,该账号有可能被锁定,导致线上数据库写入出现问题,所以缺了这样的配置实用加密连接还是蛮恐怖的,直接影响线上环境。
4.springboot使用druid(废话少说直接上代码)
- <dependency>
- <groupId>com.alibaba</groupId>
- <artifactId>druid</artifactId>
- <version>1.0.20</version>
- </dependency>
- # 驱动配置信息
- spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
- spring.datasource.url = jdbc:mysql://127.0.0.1:3306/myspringboot
- spring.datasource.username = your account
- spring.datasource.password = your encryt password
- spring.datasource.driverClassName = com.mysql.jdbc.Driver
- # 连接池的配置信息
- # 初始化大小,最小,最大
- spring.datasource.initialSize=5
- spring.datasource.minIdle=5
- spring.datasource.maxActive=20
- # 配置获取连接等待超时的时间
- spring.datasource.maxWait=60000
- # 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒
- spring.datasource.timeBetweenEvictionRunsMillis=60000
- # 配置一个连接在池中最小生存的时间,单位是毫秒
- spring.datasource.minEvictableIdleTimeMillis=300000
- spring.datasource.validationQuery=SELECT 1 FROM DUAL
- spring.datasource.testWhileIdle=true
- spring.datasource.testOnBorrow=false
- spring.datasource.testOnReturn=false
- # 打开PSCache,并且指定每个连接上PSCache的大小
- spring.datasource.poolPreparedStatements=true
- spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
- # 配置监控统计拦截的filters,去掉后监控界面sql无法统计,'wall'用于防火墙
- spring.datasource.filters=config,stat,wall,log4j
- # 通过connectProperties属性来打开mergeSql功能;慢SQL记录
- spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000;config.decrpt=true;config.decrypt.key=your public key
- /**
- * Created by wk on 2018/1/10.
- */
- @Configuration
- @ConfigurationProperties(prefix="spring.datasources")
- public class DataSourceConfig {
- private Logger logger = LoggerFactory.getLogger(DataSourceConfig.class);
- private String type;
- private String url;
- private String driverClassName;
- private String username;
- private String password;
- private Integer initialSize;
- private Integer minIdle;
- private Integer maxActive;
- private Integer maxWait;
- private Integer timeBetweenEvictionRunsMillis;
- private Integer minEvictableIdleTimeMillis;
- private String validationQuery;
- private Boolean testWhileIdle;
- private Boolean testOnBorrow;
- private Boolean testOnReturn;
- private Boolean poolPreparedStatements;
- private Integer maxPoolPreparedStatementPerConnectionSize;
- private String filters;
- private String connectionProperties;
- public String getDriverClassName() {
- return driverClassName;
- }
- public void setDriverClassName(String driverClassName) {
- this.driverClassName = driverClassName;
- }
- public String getType() {
- return type;
- }
- public void setType(String type) {
- this.type = type;
- }
- public String getUrl() {
- return url;
- }
- public void setUrl(String url) {
- this.url = url;
- }
- public String getUsername() {
- return username;
- }
- public void setUsername(String username) {
- this.username = username;
- }
- public String getPassword() {
- return password;
- }
- public void setPassword(String password) {
- this.password = password;
- }
- public Integer getInitialSize() {
- return initialSize;
- }
- public void setInitialSize(Integer initialSize) {
- this.initialSize = initialSize;
- }
- public Integer getMinIdle() {
- return minIdle;
- }
- public void setMinIdle(Integer minIdle) {
- this.minIdle = minIdle;
- }
- public Integer getMaxActive() {
- return maxActive;
- }
- public void setMaxActive(Integer maxActive) {
- this.maxActive = maxActive;
- }
- public Integer getMaxWait() {
- return maxWait;
- }
- public void setMaxWait(Integer maxWait) {
- this.maxWait = maxWait;
- }
- public Integer getTimeBetweenEvictionRunsMillis() {
- return timeBetweenEvictionRunsMillis;
- }
- public void setTimeBetweenEvictionRunsMillis(Integer timeBetweenEvictionRunsMillis) {
- this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
- }
- public Integer getMinEvictableIdleTimeMillis() {
- return minEvictableIdleTimeMillis;
- }
- public void setMinEvictableIdleTimeMillis(Integer minEvictableIdleTimeMillis) {
- this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
- }
- public String getValidationQuery() {
- return validationQuery;
- }
- public void setValidationQuery(String validationQuery) {
- this.validationQuery = validationQuery;
- }
- public Boolean getTestWhileIdle() {
- return testWhileIdle;
- }
- public void setTestWhileIdle(Boolean testWhileIdle) {
- this.testWhileIdle = testWhileIdle;
- }
- public Boolean getTestOnBorrow() {
- return testOnBorrow;
- }
- public void setTestOnBorrow(Boolean testOnBorrow) {
- this.testOnBorrow = testOnBorrow;
- }
- public Boolean getTestOnReturn() {
- return testOnReturn;
- }
- public void setTestOnReturn(Boolean testOnReturn) {
- this.testOnReturn = testOnReturn;
- }
- public Boolean getPoolPreparedStatements() {
- return poolPreparedStatements;
- }
- public void setPoolPreparedStatements(Boolean poolPreparedStatements) {
- this.poolPreparedStatements = poolPreparedStatements;
- }
- public Integer getMaxPoolPreparedStatementPerConnectionSize() {
- return maxPoolPreparedStatementPerConnectionSize;
- }
- public void setMaxPoolPreparedStatementPerConnectionSize(Integer maxPoolPreparedStatementPerConnectionSize) {
- this.maxPoolPreparedStatementPerConnectionSize = maxPoolPreparedStatementPerConnectionSize;
- }
- public String getFilters() {
- return filters;
- }
- public void setFilters(String filters) {
- this.filters = filters;
- }
- public String getConnectionProperties() {
- return connectionProperties;
- }
- public void setConnectionProperties(String connectionProperties) {
- this.connectionProperties = connectionProperties;
- }
- @Bean
- public ServletRegistrationBean druidServlet() {
- ServletRegistrationBean reg = new ServletRegistrationBean();
- reg.setServlet(new StatViewServlet());
- reg.addUrlMappings("/druid/*");
- reg.addInitParameter("loginUsername", username);
- reg.addInitParameter("loginPassword", password);
- return reg;
- }
- @Bean
- public FilterRegistrationBean filterRegistrationBean() {
- FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
- filterRegistrationBean.setFilter(new WebStatFilter());
- filterRegistrationBean.addUrlPatterns("/*");
- filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
- filterRegistrationBean.addInitParameter("profileEnable", "true");
- return filterRegistrationBean;
- }
- @Bean
- @Primary
- public DataSource druidDataSource() {
- DruidDataSource datasource = new DruidDataSource();
- datasource.setUrl(url);
- datasource.setUsername(username);
- datasource.setPassword(password);
- datasource.setDriverClassName(driverClassName);
- datasource.setInitialSize(initialSize);
- datasource.setMinIdle(minIdle);
- datasource.setMaxActive(maxActive);
- datasource.setMaxWait(maxWait);
- datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
- datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
- datasource.setValidationQuery(validationQuery);
- datasource.setTestWhileIdle(testWhileIdle);
- datasource.setTestOnBorrow(testOnBorrow);
- datasource.setTestOnReturn(testOnReturn);
- String paramArray[] = connectionProperties.split(";");
- datasource.setConnectionProperties(connectionProperties);
- try {
- datasource.setFilters(filters);
- } catch (SQLException e) {
- logger.error("druid configuration initialization filter", e);
- }
- return datasource;
- }
- }
2.或者直接用druid-spring-boot-starter druid-spring-boot-starter项目
- <dependency>
- <groupId>com.alibaba</groupId>
- <artifactId>druid-spring-boot-starter</artifactId>
- <version>1.1.0</version>
- </dependency>
######Druid数据源配置###### | |
# JDBC配置 | |
spring.datasource.druid.url= # 或spring.datasource.url= | |
spring.datasource.druid.username= # 或spring.datasource.username= | |
spring.datasource.druid.password= # 或spring.datasource.password= | |
spring.datasource.druid.driver-class-name= #或 spring.datasource.driver-class-name= | |
# 连接池配置,下面配置说明请参考Druid Github Wiki,配置_DruidDataSource参考配置 | |
spring.datasource.druid.initial-size= | |
spring.datasource.druid.max-active= | |
spring.datasource.druid.min-idle= | |
spring.datasource.druid.max-wait= | |
spring.datasource.druid.pool-prepared-statements= | |
spring.datasource.druid.max-pool-prepared-statement-per-connection-size= | |
spring.datasource.druid.max-open-prepared-statements= #等价于上面的max-pool-prepared-statement-per-connection-size | |
spring.datasource.druid.validation-query= | |
spring.datasource.druid.validation-query-timeout= | |
spring.datasource.druid.test-on-borrow= | |
spring.datasource.druid.test-on-return= | |
spring.datasource.druid.test-while-idle= | |
spring.datasource.druid.time-between-eviction-runs-millis= | |
spring.datasource.druid.min-evictable-idle-time-millis= | |
spring.datasource.druid.max-evictable-idle-time-millis= | |
spring.datasource.druid.filters= #默认值stat,配置多个英文逗号分隔 | |
... | |
# 更多配置属性见 DruidDataSource 内成员变量(只要有set方法便支持),或者根据IDE提示,或者查看官方文档 | |
######Druid监控配置###### | |
#下面配置说明请参考Druid Github Wiki,配置_配置WebStatFilter | |
spring.datasource.druid.web-stat-filter.enabled= #是否启用StatFilter默认值true | |
spring.datasource.druid.web-stat-filter.url-pattern= | |
spring.datasource.druid.web-stat-filter.exclusions= | |
spring.datasource.druid.web-stat-filter.session-stat-enable= | |
spring.datasource.druid.web-stat-filter.session-stat-max-count= | |
spring.datasource.druid.web-stat-filter.principal-session-name= | |
spring.datasource.druid.web-stat-filter.principal-cookie-name= | |
spring.datasource.druid.web-stat-filter.profile-enable= | |
#下面配置说明请参考Druid Github Wiki,配置_StatViewServlet配置 | |
spring.datasource.druid.stat-view-servlet.enabled= #是否启用StatViewServlet默认值true | |
spring.datasource.druid.stat-view-servlet.url-pattern= | |
spring.datasource.druid.stat-view-servlet.reset-enable= | |
spring.datasource.druid.stat-view-servlet.login-username= | |
spring.datasource.druid.stat-view-servlet.login-password= | |
spring.datasource.druid.stat-view-servlet.allow= | |
spring.datasource.druid.stat-view-servlet.deny= | |
#下面配置说明请参考Druid Github Wiki,配置_Druid和Spring关联监控配置 | |
spring.datasource.druid.aop-patterns= #Spring监控AOP切入点,如x.y.z.service.*,配置多个英文逗号分隔 | |
#如果spring.datasource.druid.aop-patterns要代理的类没有定义interface请设置spring.aop.proxy-target-class=true |
原文连接:https://blog.csdn.net/ikownyou/article/details/79022560
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