package com.xiaopeng.account.service.impl;
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import com.google.code.kaptcha.Producer;
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import com.xiaopeng.account.config.properties.CaptchaProperties;
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import com.xiaopeng.account.service.IValidateCodeService;
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import com.xiaopeng.common.core.constant.CacheConstants;
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import com.xiaopeng.common.core.constant.Constants;
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import com.xiaopeng.common.core.exception.CaptchaException;
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import com.xiaopeng.common.core.utils.sign.Base64;
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import com.xiaopeng.common.core.utils.uuid.IdUtils;
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import com.xiaopeng.common.core.web.domain.AjaxResult;
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import com.xiaopeng.common.redis.service.RedisService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.util.FastByteArrayOutputStream;
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import javax.annotation.Resource;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.util.concurrent.TimeUnit;
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/**
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* 验证码实现处理
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*
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* @author ruoyi
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*/
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@Service
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public class ValidateCodeServiceImpl implements IValidateCodeService {
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@Resource(name = "captchaProducer")
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private Producer captchaProducer;
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@Resource(name = "captchaProducerMath")
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private Producer captchaProducerMath;
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@Autowired
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private RedisService redisService;
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@Autowired
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private CaptchaProperties captchaProperties;
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@Override
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public AjaxResult createCaptcha() throws IOException, CaptchaException {
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AjaxResult ajax = AjaxResult.success();
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boolean captchaEnabled = Boolean.TRUE.equals(captchaProperties.getEnabled());
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ajax.put("captchaEnabled", captchaEnabled);
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if (!captchaEnabled) {
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return ajax;
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}
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String uuid = IdUtils.simpleUUID();
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String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
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String capStr = null;
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String code = null;
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BufferedImage image = null;
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String captchaType = captchaProperties.getType();
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if ("math".equals(captchaType)) {
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String capText = captchaProducerMath.createText();
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capStr = capText.substring(0, capText.lastIndexOf("@"));
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code = capText.substring(capText.lastIndexOf("@") + 1);
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image = captchaProducerMath.createImage(capStr);
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} else {
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capStr = captchaProducer.createText();
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code = capStr;
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image = captchaProducer.createImage(capStr);
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}
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redisService.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
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FastByteArrayOutputStream os = new FastByteArrayOutputStream();
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try {
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ImageIO.write(image, "jpg", os);
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} catch (IOException e) {
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return AjaxResult.error(e.getMessage());
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}
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ajax.put("uuid", uuid);
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ajax.put("img", Base64.encode(os.toByteArray()));
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return ajax;
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}
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}
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