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| | | package com.ruoyi.web.controller.common; |
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| | | |
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| | | import cn.dev33.satoken.annotation.SaIgnore; |
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| | | import cn.hutool.captcha.AbstractCaptcha; |
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| | | import cn.hutool.captcha.generator.CodeGenerator; |
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| | | import cn.hutool.core.convert.Convert; |
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| | | import cn.hutool.core.util.IdUtil; |
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| | | import cn.hutool.core.util.RandomUtil; |
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| | | import com.ruoyi.common.annotation.Anonymous; |
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| | | import com.ruoyi.common.constant.CacheConstants; |
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| | | import com.ruoyi.common.constant.Constants; |
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| | | import com.ruoyi.common.core.domain.R; |
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| | | import com.ruoyi.system.service.ISysConfigService; |
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| | | import lombok.RequiredArgsConstructor; |
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| | | import lombok.extern.slf4j.Slf4j; |
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| | | import org.springframework.expression.Expression; |
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| | | import org.springframework.expression.ExpressionParser; |
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| | | import org.springframework.expression.spel.standard.SpelExpressionParser; |
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| | | import org.springframework.validation.annotation.Validated; |
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| | | import org.springframework.web.bind.annotation.GetMapping; |
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| | | import org.springframework.web.bind.annotation.RestController; |
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| | | |
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| | | import javax.validation.constraints.NotBlank; |
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| | | import jakarta.validation.constraints.NotBlank; |
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| | | import java.time.Duration; |
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| | | import java.util.HashMap; |
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| | | import java.util.Map; |
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| | |
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| | | * |
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| | | * @author Lion Li |
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| | | */ |
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| | | @Anonymous |
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| | | @SaIgnore |
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| | | @Slf4j |
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| | | @Validated |
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| | | @RequiredArgsConstructor |
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| | |
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| | | AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz()); |
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| | | captcha.setGenerator(codeGenerator); |
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| | | captcha.createCode(); |
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| | | String code = isMath ? getCodeResult(captcha.getCode()) : captcha.getCode(); |
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| | | String code = captcha.getCode(); |
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| | | if (isMath) { |
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| | | ExpressionParser parser = new SpelExpressionParser(); |
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| | | Expression exp = parser.parseExpression(StringUtils.remove(code, "=")); |
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| | | code = exp.getValue(String.class); |
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| | | } |
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| | | RedisUtils.setCacheObject(verifyKey, code, Duration.ofMinutes(Constants.CAPTCHA_EXPIRATION)); |
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| | | ajax.put("uuid", uuid); |
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| | | ajax.put("img", captcha.getImageBase64()); |
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| | | return R.ok(ajax); |
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| | | } |
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| | | |
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| | | private String getCodeResult(String capStr) { |
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| | | int numberLength = captchaProperties.getNumberLength(); |
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| | | int a = Convert.toInt(StringUtils.substring(capStr, 0, numberLength).trim()); |
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| | | char operator = capStr.charAt(numberLength); |
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| | | int b = Convert.toInt(StringUtils.substring(capStr, numberLength + 1, numberLength + 1 + numberLength).trim()); |
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| | | switch (operator) { |
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| | | case '*': |
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| | | return Convert.toStr(a * b); |
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| | | case '+': |
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| | | return Convert.toStr(a + b); |
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| | | case '-': |
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| | | return Convert.toStr(a - b); |
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| | | default: |
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| | | return StringUtils.EMPTY; |
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| | | } |
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| | | } |
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| | | |
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| | | } |
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