From af8d62e5e20b8a8d131bdf326b7d2304d0a96b88 Mon Sep 17 00:00:00 2001
From: PowderSnow <1109835296@qq.com>
Date: Mon, 13 May 2024 03:21:59 +0800
Subject: [PATCH] update ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java. 目前报”验证码已失效“的场景是uuid为空,应通过判断captcha是否为null得出验证码是否已过期的结果。

---
 ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java |   65 +++++++++++++++++++++++++-------
 1 files changed, 50 insertions(+), 15 deletions(-)

diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java
index 3af3f25..bc5fc7f 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java
@@ -3,18 +3,21 @@
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
+import javax.annotation.Resource;
 import javax.imageio.ImageIO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.FastByteArrayOutputStream;
 import com.google.code.kaptcha.Producer;
+import com.ruoyi.common.core.constant.CacheConstants;
 import com.ruoyi.common.core.constant.Constants;
 import com.ruoyi.common.core.exception.CaptchaException;
-import com.ruoyi.common.core.utils.IdUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.sign.Base64;
+import com.ruoyi.common.core.utils.uuid.IdUtils;
 import com.ruoyi.common.core.web.domain.AjaxResult;
 import com.ruoyi.common.redis.service.RedisService;
+import com.ruoyi.gateway.config.properties.CaptchaProperties;
 import com.ruoyi.gateway.service.ValidateCodeService;
 
 /**
@@ -25,28 +28,55 @@
 @Service
 public class ValidateCodeServiceImpl implements ValidateCodeService
 {
-    @Autowired
-    private Producer producer;
+    @Resource(name = "captchaProducer")
+    private Producer captchaProducer;
+
+    @Resource(name = "captchaProducerMath")
+    private Producer captchaProducerMath;
 
     @Autowired
     private RedisService redisService;
+
+    @Autowired
+    private CaptchaProperties captchaProperties;
 
     /**
      * 生成验证码
      */
     @Override
-    public AjaxResult createCapcha() throws IOException, CaptchaException
+    public AjaxResult createCaptcha() throws IOException, CaptchaException
     {
-        // 生成验证码
-        String capText = producer.createText();
-        String capStr = capText.substring(0, capText.lastIndexOf("@"));
-        String verifyCode = capText.substring(capText.lastIndexOf("@") + 1);
-        BufferedImage image = producer.createImage(capStr);
+        AjaxResult ajax = AjaxResult.success();
+        boolean captchaEnabled = captchaProperties.getEnabled();
+        ajax.put("captchaEnabled", captchaEnabled);
+        if (!captchaEnabled)
+        {
+            return ajax;
+        }
+
         // 保存验证码信息
         String uuid = IdUtils.simpleUUID();
-        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
 
-        redisService.setCacheObject(verifyKey, verifyCode, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+        String capStr = null, code = null;
+        BufferedImage image = null;
+
+        String captchaType = captchaProperties.getType();
+        // 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);
+        }
+
+        redisService.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
         // 转换流信息写出
         FastByteArrayOutputStream os = new FastByteArrayOutputStream();
         try
@@ -58,7 +88,6 @@
             return AjaxResult.error(e.getMessage());
         }
 
-        AjaxResult ajax = AjaxResult.success();
         ajax.put("uuid", uuid);
         ajax.put("img", Base64.encode(os.toByteArray()));
         return ajax;
@@ -68,7 +97,7 @@
      * 校验验证码
      */
     @Override
-    public void checkCapcha(String code, String uuid) throws CaptchaException
+    public void checkCaptcha(String code, String uuid) throws CaptchaException
     {
         if (StringUtils.isEmpty(code))
         {
@@ -76,10 +105,16 @@
         }
         if (StringUtils.isEmpty(uuid))
         {
+            throw new CaptchaException("uuid不能为空");
+        }
+        
+        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
+        String captcha = redisService.getCacheObject(verifyKey);
+        if (captcha == null)
+        {
             throw new CaptchaException("验证码已失效");
         }
-        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
-        String captcha = redisService.getCacheObject(verifyKey);
+
         redisService.deleteObject(verifyKey);
 
         if (!code.equalsIgnoreCase(captcha))

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