package com.cloudroam.common.configuration;
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import com.cloudroam.common.util.CaptchaUtil;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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/**
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* @author
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*
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* 登录图形验证码配置类
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*
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*/
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@Slf4j
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@Getter
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@Setter
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@Component
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@ConfigurationProperties(prefix = "login-captcha")
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public class LoginCaptchaProperties {
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/**
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* aes 密钥
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*/
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private String secret = CaptchaUtil.getRandomString(32);
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/**
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* aes 偏移量
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*/
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private String iv = CaptchaUtil.getRandomString(16);
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/**
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* 启用验证码
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*/
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private Boolean enabled = Boolean.FALSE;
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public void setSecret(String secret) {
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final long ivLen1 = 16;
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final long ivLen2 = 24;
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final long ivLen3 = 32;
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if (StringUtils.hasText(secret)) {
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byte[] bytes = secret.getBytes();
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if (bytes.length == ivLen1 || bytes.length == ivLen2 || bytes.length == ivLen3) {
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this.secret = secret;
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} else {
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log.warn("AES密钥必须为128/192/256bit，输入的密钥为{}bit，已启用随机密钥{}", bytes.length * 8, this.secret);
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}
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}
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}
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public void setIv(String iv) {
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final long ivLen = 16;
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if (StringUtils.hasText(iv)) {
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byte[] bytes = iv.getBytes();
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if (bytes.length == ivLen) {
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this.iv = iv;
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} else {
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log.warn("AES初始向量必须为128bit，输入的密钥为{}bit，已启用随机向量{}", bytes.length * 8, this.iv);
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}
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}
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}
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}
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