验证码优化

opsli-base-support/opsli-core/pom.xml

@@ -54,10 +54,10 @@
             <version>3.3.1</version>
         </dependency>
 
-        <!-- kaptcha -->
+        <!-- captcha -->
         <dependency>
-            <groupId>com.github.axet</groupId>
+            <groupId>com.github.whvcse</groupId>
-            <artifactId>kaptcha</artifactId>
+            <artifactId>easy-captcha</artifactId>
         </dependency>
 
         <!-- JWT -->

opsli-base-support/opsli-core/src/main/java/org/opsli/core/autoconfigure/conf/KaptchaConfig.java

@@ -1,49 +0,0 @@
-/**
- * Copyright 2020 OPSLI 快速开发平台 https://www.opsli.com
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package org.opsli.core.autoconfigure.conf;
-
-import com.google.code.kaptcha.impl.DefaultKaptcha;
-import com.google.code.kaptcha.util.Config;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import java.util.Properties;
-
-
-/**
- * 生成验证码配置
- *
- * @author 孙志强
-
- * @date 2017-04-20 19:22
- */
-@Configuration
-public class KaptchaConfig {
-
-    @Bean
-    public DefaultKaptcha producer() {
-        Properties properties = new Properties();
-        properties.put("kaptcha.border", "no");
-        properties.put("kaptcha.textproducer.font.color", "black");
-        properties.put("kaptcha.textproducer.char.space", "10");
-        properties.put("kaptcha.textproducer.char.string", "1234567890");
-        properties.put("kaptcha.textproducer.char.length", "4");
-        Config config = new Config(properties);
-        DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
-        defaultKaptcha.setConfig(config);
-        return defaultKaptcha;
-    }
-}

opsli-base-support/opsli-core/src/main/java/org/opsli/core/autoconfigure/conf/ShiroConfig.java

@@ -91,7 +91,7 @@ public class ShiroConfig {
         filterMap.put("/sys/login", "anon");
         filterMap.put("/sys/publicKey", "anon");
         filterMap.put("/sys/slipCount", "anon");
-        filterMap.put("/captcha.jpg", "anon");
+        filterMap.put("/captcha*", "anon");
 
         // 导出Excel\模版 不做自动拦截 手动拦截
         filterMap.put(apiPathProperties.getGlobalPrefix() + "/**/exportExcel", "anon");

opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/CaptchaUtil.java

@@ -15,11 +15,14 @@
  */
 package org.opsli.core.utils;
 
-import com.google.code.kaptcha.Producer;
+import cn.hutool.core.util.RandomUtil;
+import com.google.common.collect.Lists;
+import com.wf.captcha.ArithmeticCaptcha;
+import com.wf.captcha.GifCaptcha;
+import com.wf.captcha.SpecCaptcha;
+import com.wf.captcha.base.Captcha;
 import org.apache.commons.lang3.StringUtils;
-import org.opsli.common.constants.CacheConstants;
 import org.opsli.common.exception.TokenException;
-import org.opsli.common.utils.Props;
 import org.opsli.core.cache.local.CacheUtil;
 import org.opsli.core.msg.TokenMsg;
 import org.opsli.plugins.redis.RedisPlugin;
@@ -28,10 +31,12 @@ import org.springframework.context.annotation.Lazy;
 import org.springframework.core.annotation.Order;
 import org.springframework.stereotype.Component;
 
-import java.awt.image.BufferedImage;
+import java.io.OutputStream;
+import java.util.List;
 
 import static org.opsli.common.constants.OrderConstants.UTIL_ORDER;
 
+
 /**
  * 验证码
  *
@@ -41,7 +46,16 @@ import static org.opsli.common.constants.OrderConstants.UTIL_ORDER;
 @Component
 @Order(UTIL_ORDER)
 @Lazy(false)
-public class CaptchaUtil{
+public class CaptchaUtil {
+
+    /** 验证码宽度 */
+    private static final int CAPTCHA_WIDTH = 180;
+    /** 验证码高度 */
+    private static final int CAPTCHA_HEIGHT = 58;
+    /** 验证码位数 */
+    private static final int CAPTCHA_LEN = 4;
+    /** 验证码策略 */
+    private static final List<CaptchaStrategy> CAPTCHA_STRATEGY_LIST;
 
     /** 缓存前缀 */
     private static final String PREFIX = "temp:captcha:";
@@ -49,55 +63,69 @@ public class CaptchaUtil{
     private static final int TIME_OUT = 300;
     /** Redis插件 */
     private static RedisPlugin redisPlugin;
-    /** 谷歌验证码 */
+
-    private static  Producer producer;
+    static {
+        CAPTCHA_STRATEGY_LIST = Lists.newArrayListWithCapacity(3);
+        CAPTCHA_STRATEGY_LIST.add(new CaptchaStrategyBySpec());
+        CAPTCHA_STRATEGY_LIST.add(new CaptchaStrategyByGif());
+        CAPTCHA_STRATEGY_LIST.add(new CaptchaStrategyByArithmetic());
+    }
 
     /**
      * 获得验证码
-     * @param uuid UUID
+     *
-     * @return BufferedImage
+     * @param uuid
+     * @return
      */
-    public static BufferedImage getCaptcha(String uuid) {
+    public static void createCaptcha(String uuid, OutputStream out) {
-        if(StringUtils.isBlank(uuid)){
+        if (StringUtils.isBlank(uuid)) {
             throw new RuntimeException("uuid不能为空");
         }
 
-        //生成文字验证码
+        // 随机生成验证码
-        String code = producer.createText();
+        int randomInt = RandomUtil.randomInt(0, CAPTCHA_STRATEGY_LIST.size());
 
-        boolean ret = redisPlugin.put(CacheUtil.getPrefixName() + PREFIX + uuid, code, TIME_OUT);
+        // 获得验证码生成策略
+        CaptchaStrategy captchaStrategy = CAPTCHA_STRATEGY_LIST.get(randomInt);
 
+        // 生成验证码
+        Captcha captcha = captchaStrategy.createCaptcha();
+
+        // 保存至缓存
+        boolean ret = redisPlugin.put(CacheUtil.getPrefixName() + PREFIX + uuid, captcha.text(), TIME_OUT);
         if(ret){
-            return producer.createImage(code);
+            // 输出
+            captcha.out(out);
         }
-        return null;
     }
 
     /**
      * 校验验证码
-     * @param uuid UUID
+     *
-     * @param code CODE
+     * @param uuid
+     * @param code
+     * @return
      */
     public static void validate(String uuid, String code) {
         // 判断UUID 是否为空
-        if(StringUtils.isEmpty(uuid)){
+        if (StringUtils.isEmpty(uuid)) {
             throw new TokenException(TokenMsg.EXCEPTION_CAPTCHA_UUID_NULL);
         }
 
         // 判断 验证码是否为空
-        if(StringUtils.isEmpty(code)){
+        if (StringUtils.isEmpty(code)) {
             throw new TokenException(TokenMsg.EXCEPTION_CAPTCHA_CODE_NULL);
         }
 
         // 验证码
         String codeTemp = (String) redisPlugin.get(CacheUtil.getPrefixName() + PREFIX + uuid);
-        if(StringUtils.isEmpty(codeTemp)){
+        if (StringUtils.isEmpty(codeTemp)) {
             throw new TokenException(TokenMsg.EXCEPTION_CAPTCHA_NULL);
         }
 
         // 验证 验证码是否正确
         boolean captchaFlag = codeTemp.equalsIgnoreCase(code);
-        if(!captchaFlag){
+        if (!captchaFlag) {
             throw new TokenException(TokenMsg.EXCEPTION_CAPTCHA_ERROR);
         }
     }
@@ -105,11 +133,12 @@ public class CaptchaUtil{
 
     /**
      * 删除验证码
-     * @param uuid UUID
+     *
-     * @return boolean
+     * @param uuid
+     * @return
      */
     public static boolean delCaptcha(String uuid) {
-        if(StringUtils.isEmpty(uuid)){
+        if (StringUtils.isEmpty(uuid)) {
             return false;
         }
 
@@ -118,16 +147,61 @@ public class CaptchaUtil{
     }
 
 
-
     // ==========================
 
     @Autowired
-    public  void setRedisPlugin(RedisPlugin redisPlugin) {
+    public void setRedisPlugin(RedisPlugin redisPlugin) {
         CaptchaUtil.redisPlugin = redisPlugin;
     }
 
-    @Autowired
+
-    public  void setProducer(Producer producer) {
+    // ======================
-        CaptchaUtil.producer = producer;
+
+    public interface CaptchaStrategy{
+
+        /**
+         * 生成验证码对象
+         * @return Captcha
+         */
+        Captcha createCaptcha();
+
     }
+
+    /**
+     * 数字英文混合验证码 静态
+     */
+    private static class CaptchaStrategyBySpec implements CaptchaStrategy{
+        @Override
+        public Captcha createCaptcha() {
+            // 生成验证码
+            SpecCaptcha captcha = new SpecCaptcha(CAPTCHA_WIDTH, CAPTCHA_HEIGHT, CAPTCHA_LEN);
+            captcha.setCharType(Captcha.TYPE_DEFAULT);
+            return captcha;
+        }
+    }
+
+    /**
+     * 数字英文混合验证码 动态
+     */
+    private static class CaptchaStrategyByGif implements CaptchaStrategy{
+        @Override
+        public Captcha createCaptcha() {
+            // 生成验证码
+            GifCaptcha captcha = new GifCaptcha(CAPTCHA_WIDTH, CAPTCHA_HEIGHT, CAPTCHA_LEN);
+            captcha.setCharType(Captcha.TYPE_DEFAULT);
+            return captcha;
+        }
+    }
+
+    /**
+     * 算数验证码 动态
+     */
+    private static class CaptchaStrategyByArithmetic implements CaptchaStrategy{
+        @Override
+        public Captcha createCaptcha() {
+            // 生成验证码
+            return new ArithmeticCaptcha(CAPTCHA_WIDTH, CAPTCHA_HEIGHT);
+        }
+    }
+
 }

opsli-modulars/opsli-modulars-system/src/main/java/org/opsli/modulars/system/login/web/LoginRestController.java

@@ -183,21 +183,13 @@ public class LoginRestController {
      */
     @Limiter(alertType = AlertType.ALERT)
     @ApiOperation(value = "验证码", notes = "验证码")
-    @GetMapping("captcha.jpg")
+    @GetMapping("captcha")
     public void captcha(String uuid, HttpServletResponse response) throws IOException {
-        response.setHeader("Cache-Control", "no-store, no-cache");
+        ServletOutputStream out = response.getOutputStream();
-        response.setContentType("image/jpeg");
+        if(out != null){
-
+            response.setHeader("Cache-Control", "no-store, no-cache");
-        try {
+            //生成图片验证码
-            //获取图片验证码
+            CaptchaUtil.createCaptcha(uuid, out);
-            BufferedImage image = CaptchaUtil.getCaptcha(uuid);
-            if(image != null){
-                ServletOutputStream out = response.getOutputStream();
-                ImageIO.write(image, "jpg", out);
-                IOUtils.closeQuietly(out);
-            }
-        }catch (RuntimeException e){
-            OutputStreamUtil.exceptionResponse(e.getMessage(), response);
         }
     }
 

pom.xml

@@ -71,7 +71,7 @@
         <oshi.version>3.9.1</oshi.version>
         <jna.version>4.5.2</jna.version>
         <ehcache.version>3.9.0</ehcache.version>
-        <kaptcha.version>0.0.9</kaptcha.version>
+        <captcha.version>1.6.2</captcha.version>
         <shiro.version>1.6.0</shiro.version>
         <bouncycastle.version>1.68</bouncycastle.version>
 
@@ -102,14 +102,13 @@
                 <scope>import</scope>
             </dependency>
 
-            <!-- kaptcha -->
+            <!-- captcha -->
             <dependency>
-                <groupId>com.github.axet</groupId>
+                <groupId>com.github.whvcse</groupId>
-                <artifactId>kaptcha</artifactId>
+                <artifactId>easy-captcha</artifactId>
-                <version>${kaptcha.version}</version>
+                <version>${captcha.version}</version>
             </dependency>
 
-
             <!-- JWT -->
             <dependency>
                 <groupId>com.auth0</groupId>