From 695cb6d76b838b1e4cb161bae335faa948dca12a Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期三, 27 十月 2021 13:16:19 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/dev' into satoken

---
 ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java |  109 +++++++++++++++++++++++++++++++++---------------------
 1 files changed, 67 insertions(+), 42 deletions(-)

diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java
index c096344..4a2bf30 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java
@@ -1,62 +1,87 @@
 package com.ruoyi.web.controller.common;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.util.concurrent.TimeUnit;
-import javax.servlet.http.HttpServletResponse;
+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.enums.CaptchaType;
+import com.ruoyi.common.utils.RedisUtils;
+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 io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
-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.VerifyCodeUtils;
-import com.ruoyi.common.utils.sign.Base64;
-import com.ruoyi.common.utils.uuid.IdUtils;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
 
 /**
  * 楠岃瘉鐮佹搷浣滃鐞�
- * 
- * @author ruoyi
+ *
+ * @author Lion Li
  */
+@Api(value = "楠岃瘉鐮佹搷浣滃鐞�", tags = {"楠岃瘉鐮佺鐞�"})
+@RequiredArgsConstructor(onConstructor_ = @Autowired)
 @RestController
-public class CaptchaController
-{
-    @Autowired
-    private RedisCache redisCache;
+public class CaptchaController {
+
+    private final CaptchaProperties captchaProperties;
+    private final ISysConfigService configService;
 
     /**
      * 鐢熸垚楠岃瘉鐮�
      */
+    @ApiOperation("鐢熸垚楠岃瘉鐮�")
     @GetMapping("/captchaImage")
-    public AjaxResult getCode(HttpServletResponse response) throws IOException
-    {
-        // 鐢熸垚闅忔満瀛椾覆
-        String verifyCode = VerifyCodeUtils.generateVerifyCode(4);
-        // 鍞竴鏍囪瘑
-        String uuid = IdUtils.simpleUUID();
+    public AjaxResult<Map<String, Object>> getCode() {
+        Map<String, Object> ajax = new HashMap<>();
+        boolean captchaOnOff = configService.selectCaptchaOnOff();
+        ajax.put("captchaOnOff", captchaOnOff);
+        if (!captchaOnOff) {
+            return AjaxResult.success(ajax);
+        }
+        // 淇濆瓨楠岃瘉鐮佷俊鎭�
+        String uuid = IdUtil.simpleUUID();
         String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+        // 鐢熸垚楠岃瘉鐮�
+        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();
+        RedisUtils.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+        ajax.put("uuid", uuid);
+        ajax.put("img", captcha.getImageBase64());
+        return AjaxResult.success(ajax);
+    }
 
-        redisCache.setCacheObject(verifyKey, verifyCode, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
-        // 鐢熸垚鍥剧墖
-        int w = 111, h = 36;
-        ByteArrayOutputStream stream = new ByteArrayOutputStream();
-        VerifyCodeUtils.outputImage(w, h, stream, verifyCode);
-        try
-        {
-            AjaxResult ajax = AjaxResult.success();
-            ajax.put("uuid", uuid);
-            ajax.put("img", Base64.encode(stream.toByteArray()));
-            return ajax;
-        }
-        catch (Exception e)
-        {
-            e.printStackTrace();
-            return AjaxResult.error(e.getMessage());
-        }
-        finally
-        {
-            stream.close();
+    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;
         }
     }
+
 }

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