| | |
| | | package com.ruoyi.web.controller.common; |
| | | |
| | | import java.awt.image.BufferedImage; |
| | | import java.io.IOException; |
| | | import java.util.concurrent.TimeUnit; |
| | | import javax.annotation.Resource; |
| | | import javax.imageio.ImageIO; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.beans.factory.annotation.Value; |
| | | import org.springframework.util.FastByteArrayOutputStream; |
| | | import org.springframework.web.bind.annotation.GetMapping; |
| | | import org.springframework.web.bind.annotation.RestController; |
| | | import com.google.code.kaptcha.Producer; |
| | | import cn.hutool.captcha.AbstractCaptcha; |
| | | import cn.hutool.captcha.generator.CodeGenerator; |
| | | import cn.hutool.core.convert.Convert; |
| | | import cn.hutool.core.util.IdUtil; |
| | | import com.ruoyi.common.constant.Constants; |
| | | import com.ruoyi.common.core.domain.AjaxResult; |
| | | import com.ruoyi.common.core.redis.RedisCache; |
| | | import com.ruoyi.common.utils.sign.Base64; |
| | | import com.ruoyi.common.utils.uuid.IdUtils; |
| | | import com.ruoyi.common.enums.CaptchaType; |
| | | import com.ruoyi.common.utils.StringUtils; |
| | | import com.ruoyi.common.utils.reflect.ReflectUtils; |
| | | import com.ruoyi.common.utils.spring.SpringUtils; |
| | | import com.ruoyi.framework.config.properties.CaptchaProperties; |
| | | import com.ruoyi.system.service.ISysConfigService; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.web.bind.annotation.GetMapping; |
| | | import org.springframework.web.bind.annotation.RestController; |
| | | |
| | | import java.util.HashMap; |
| | | import java.util.Map; |
| | | import java.util.concurrent.TimeUnit; |
| | | |
| | | /** |
| | | * 验证码操作处理 |
| | | * |
| | | * |
| | | * @author ruoyi |
| | | */ |
| | | @RestController |
| | | public class CaptchaController |
| | | { |
| | | @Resource(name = "captchaProducer") |
| | | private Producer captchaProducer; |
| | | public class CaptchaController { |
| | | |
| | | @Resource(name = "captchaProducerMath") |
| | | private Producer captchaProducerMath; |
| | | @Autowired |
| | | private RedisCache redisCache; |
| | | |
| | | @Autowired |
| | | private RedisCache redisCache; |
| | | |
| | | // 验证码类型 |
| | | @Value("${ruoyi.captchaType}") |
| | | private String captchaType; |
| | | @Autowired |
| | | private CaptchaProperties captchaProperties; |
| | | |
| | | /** |
| | | * 生成验证码 |
| | | */ |
| | | @GetMapping("/captchaImage") |
| | | public AjaxResult getCode(HttpServletResponse response) throws IOException |
| | | { |
| | | // 保存验证码信息 |
| | | String uuid = IdUtils.simpleUUID(); |
| | | String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid; |
| | | @Autowired |
| | | private ISysConfigService configService; |
| | | |
| | | String capStr = null, code = null; |
| | | BufferedImage image = null; |
| | | /** |
| | | * 生成验证码 |
| | | */ |
| | | @GetMapping("/captchaImage") |
| | | public AjaxResult getCode() { |
| | | Map<String, Object> ajax = new HashMap<>(); |
| | | boolean captchaOnOff = configService.selectCaptchaOnOff(); |
| | | ajax.put("captchaOnOff", captchaOnOff); |
| | | if (!captchaOnOff) { |
| | | return AjaxResult.success(ajax); |
| | | } |
| | | // 保存验证码信息 |
| | | String uuid = IdUtil.simpleUUID(); |
| | | String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid; |
| | | // 生成验证码 |
| | | CaptchaType captchaType = captchaProperties.getType(); |
| | | boolean isMath = CaptchaType.MATH == captchaType; |
| | | Integer length = isMath ? captchaProperties.getNumberLength() : captchaProperties.getCharLength(); |
| | | CodeGenerator codeGenerator = ReflectUtils.newInstance(captchaType.getClazz(), length); |
| | | AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz()); |
| | | captcha.setGenerator(codeGenerator); |
| | | captcha.createCode(); |
| | | String code = isMath ? getCodeResult(captcha.getCode()) : captcha.getCode(); |
| | | redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES); |
| | | ajax.put("uuid", uuid); |
| | | ajax.put("img", captcha.getImageBase64()); |
| | | return AjaxResult.success(ajax); |
| | | } |
| | | |
| | | // 生成验证码 |
| | | if ("math".equals(captchaType)) |
| | | { |
| | | String capText = captchaProducerMath.createText(); |
| | | capStr = capText.substring(0, capText.lastIndexOf("@")); |
| | | code = capText.substring(capText.lastIndexOf("@") + 1); |
| | | image = captchaProducerMath.createImage(capStr); |
| | | } |
| | | else if ("char".equals(captchaType)) |
| | | { |
| | | capStr = code = captchaProducer.createText(); |
| | | image = captchaProducer.createImage(capStr); |
| | | } |
| | | private String getCodeResult(String capStr) { |
| | | int numberLength = captchaProperties.getNumberLength(); |
| | | int a = Convert.toInt(StringUtils.substring(capStr, 0, numberLength).trim()); |
| | | char operator = capStr.charAt(numberLength); |
| | | int b = Convert.toInt(StringUtils.substring(capStr, numberLength + 1, numberLength + 1 + numberLength).trim()); |
| | | switch (operator) { |
| | | case '*': |
| | | return Convert.toStr(a * b); |
| | | case '+': |
| | | return Convert.toStr(a + b); |
| | | case '-': |
| | | return Convert.toStr(a - b); |
| | | default: |
| | | return StringUtils.EMPTY; |
| | | } |
| | | } |
| | | |
| | | redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES); |
| | | // 转换流信息写出 |
| | | FastByteArrayOutputStream os = new FastByteArrayOutputStream(); |
| | | try |
| | | { |
| | | ImageIO.write(image, "jpg", os); |
| | | } |
| | | catch (IOException e) |
| | | { |
| | | return AjaxResult.error(e.getMessage()); |
| | | } |
| | | |
| | | AjaxResult ajax = AjaxResult.success(); |
| | | ajax.put("uuid", uuid); |
| | | ajax.put("img", Base64.encode(os.toByteArray())); |
| | | return ajax; |
| | | } |
| | | } |