feat: 升级 2.0.0-SNAPSHOT (Java 21/Spring Boot 3.4.5) + 旋转验证码修复 + 新增验证码类型支持

pom.xml

@@ -12,26 +12,27 @@
     <modules>
         <module>tianai-captcha</module>
         <module>tianai-captcha-springboot-starter</module>
+        <module>tianai-captcha-platform</module>
     </modules>
 
     <properties>
-        <revision>1.5.5</revision>
+        <revision>2.0.0-SNAPSHOT</revision>
-        <java.version>1.8</java.version>
+        <java.version>21</java.version>
-        <!-- 打包跳过单元测试 -->
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.release>21</maven.compiler.release>
         <skipTests>true</skipTests>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <skip.nexus>false</skip.nexus>
+        <spring-boot.version>3.4.5</spring-boot.version>
-        <serverId>ossrh</serverId>
+        <lombok.version>1.18.42</lombok.version>
-        <deplay.repository>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</deplay.repository>
+        <slf4j.version>2.0.17</slf4j.version>
-        <deplay.snapshotRepository>https://s01.oss.sonatype.org/content/repositories/snapshots</deplay.snapshotRepository>
+        <gson.version>2.13.1</gson.version>
+        <onnx-runtime.version>1.22.0</onnx-runtime.version>
 
-        <!-- 私服 -->
+        <skip.nexus>true</skip.nexus>
-        <!--        <skip.nexus>true</skip.nexus>-->
+        <serverId>ossrh</serverId>
-        <!--        <deplay.id>smart</deplay.id>-->
-        <!--        <deplay.repository>http://192.168.3.10:6061/repository/smart_hosted/</deplay.repository>-->
-        <!--        <deplay.snapshotRepository>http://192.168.3.10:6061/repository/smart_hosted/</deplay.snapshotRepository>-->
     </properties>
     <licenses>
         <license>
@@ -68,11 +69,10 @@
 
     <build>
         <plugins>
-            <!-- 统一版本号管理 -->
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>
-                <version>1.2.7</version>
+                <version>1.7.0</version>
                 <configuration>
                     <updatePomFile>true</updatePomFile>
                     <flattenMode>resolveCiFriendliesOnly</flattenMode>
@@ -96,75 +96,23 @@
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
+                <artifactId>maven-compiler-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.14.0</version>
                 <configuration>
-                    <!-- 统一生成聚合文档，解决 mvn package 时控制台发出 javadoc 警告的问题 -->
+                    <release>21</release>
-                    <aggregate>true</aggregate>
+                    <compilerArgument>-parameters</compilerArgument>
-                    <failOnError>false</failOnError>
+                    <annotationProcessorPaths>
-                    <detectLinks>false</detectLinks>
+                        <path>
-                </configuration>
+                            <groupId>org.projectlombok</groupId>
-                <executions>
+                            <artifactId>lombok</artifactId>
-                    <execution>
+                            <version>${lombok.version}</version>
-                        <id>attach-javadocs</id>
+                        </path>
-                        <goals>
+                    </annotationProcessorPaths>
-                            <goal>jar</goal>
-                        </goals>
-                        <configuration>
-                            <additionalparam>-Xdoclint:none</additionalparam>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-source-plugin</artifactId>
-                <version>2.2.1</version>
-                <executions>
-                    <execution>
-                        <id>attach-sources</id>
-                        <goals>
-                            <goal>jar-no-fork</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.5</version>
-                <executions>
-                    <execution>
-                        <id>sign-artifacts</id>
-                        <phase>verify</phase>
-                        <goals>
-                            <goal>sign</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-resources-plugin</artifactId>
-                <version>2.6</version>
-            </plugin>
-            <plugin>
-                <groupId>org.sonatype.central</groupId>
-                <artifactId>central-publishing-maven-plugin</artifactId>
-                <version>0.5.0</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <publishingServerId>ossrh</publishingServerId>
-<!--                    <tokenAuth>true</tokenAuth>-->
-                    <autoPublish>true</autoPublish>
                 </configuration>
             </plugin>
         </plugins>
         <pluginManagement>
             <plugins>
-
-
             </plugins>
         </pluginManagement>
     </build>

tianai-captcha-springboot-starter/pom.xml

@@ -17,7 +17,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>2.2.7.RELEASE</version>
+                <version>${spring-boot.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -25,9 +25,7 @@
     </dependencyManagement>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>21</java.version>
-        <commons-lang3.version>3.7</commons-lang3.version>
-        <!-- 打包跳过单元测试 -->
         <skipTests>true</skipTests>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -43,7 +41,6 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
@@ -65,18 +62,14 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <optional>true</optional>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>cloud.tianai.captcha</groupId>
             <artifactId>tianai-captcha</artifactId>
             <version>${revision}</version>
         </dependency>
-
-        <!--        <dependency>-->
-        <!--            <groupId>jakarta.validation</groupId>-->
-        <!--            <artifactId>jakarta.validation-api</artifactId>-->
-        <!--        </dependency>-->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
@@ -87,20 +80,22 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.14.0</version>
                 <configuration>
-                    <source>8</source>
+                    <release>21</release>
-                    <target>8</target>
                     <compilerArgument>-parameters</compilerArgument>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
                 </configuration>
             </plugin>
-
         </plugins>
     </build>
 </project>

tianai-captcha/pom.xml

@@ -13,25 +13,23 @@
     <url>https://gitee.com/tianai/tianai-captcha</url>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>21</java.version>
-        <!-- 打包跳过单元测试 -->
         <skipTests>true</skipTests>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>
 
-
     <dependencies>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.42</version>
+            <version>${lombok.version}</version>
-            <optional>true</optional>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.30</version>
+            <version>${slf4j.version}</version>
         </dependency>
     </dependencies>
 
@@ -40,10 +38,17 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.14.0</version>
                 <configuration>
-                    <source>8</source>
+                    <release>21</release>
-                    <target>8</target>
                     <compilerArgument>-parameters</compilerArgument>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
                 </configuration>
             </plugin>
         </plugins>

tianai-captcha/src/main/java/cloud/tianai/captcha/application/DefaultImageCaptchaApplication.java

@@ -167,6 +167,9 @@ public class DefaultImageCaptchaApplication implements ImageCaptchaApplication {
         verificationVO.setBackgroundImageHeight(imageCaptchaInfo.getBackgroundImageHeight());
         verificationVO.setTemplateImageWidth(imageCaptchaInfo.getTemplateImageWidth());
         verificationVO.setTemplateImageHeight(imageCaptchaInfo.getTemplateImageHeight());
+        if (imageCaptchaInfo instanceof cloud.tianai.captcha.generator.common.model.dto.RotateImageCaptchaInfo) {
+            verificationVO.setDegree(((cloud.tianai.captcha.generator.common.model.dto.RotateImageCaptchaInfo) imageCaptchaInfo).getDegree());
+        }
         verificationVO.setData(imageCaptchaInfo.getData() == null ? null : imageCaptchaInfo.getData().getViewData());
         verificationVO.setId(id);
         return ApiResponse.ofSuccess(verificationVO);

tianai-captcha/src/main/java/cloud/tianai/captcha/application/vo/ImageCaptchaVO.java

@@ -31,6 +31,8 @@ public class ImageCaptchaVO implements Serializable {
     private Integer templateImageWidth;
     /** 滑动图片高度.*/
     private Integer templateImageHeight;
+    /** 旋转验证码初始角度（仅ROTATE类型）.*/
+    private Double degree;
     /** data 扩展数据.*/
     private Object data;
 }

tianai-captcha/src/main/java/cloud/tianai/captcha/common/constant/CaptchaTypeConstant.java

@@ -1,18 +1,20 @@
 package cloud.tianai.captcha.common.constant;
 
-/**
- * @Author: 天爱有情
- * @date 2021/8/7 17:14
- * @Description 滑块类型
- */
 public interface CaptchaTypeConstant {
 
-    /** 滑块. */
     String SLIDER = "SLIDER";
-    /** 旋转. */
+    String SLIDER_V2 = "SLIDER_V2";
     String ROTATE = "ROTATE";
-    /** 拼接. */
     String CONCAT = "CONCAT";
-    /** 文字图片点选. */
     String WORD_IMAGE_CLICK = "WORD_IMAGE_CLICK";
+    String ICON_CLICK = "ICON_CLICK";
+    String WORD_ORDER_CLICK = "WORD_ORDER_CLICK";
+    String CURVE_SLIDER = "CURVE_SLIDER";
+    String CURVE_SLIDER_V2 = "CURVE_SLIDER_V2";
+    String CURVE_SLIDER_V3 = "CURVE_SLIDER_V3";
+    String ANGLE = "ANGLE";
+    String SCRATCH = "SCRATCH";
+    String JIGSAW = "JIGSAW";
+    String CURVE_DRAW = "CURVE_DRAW";
+    String PROOF_OF_WORK = "PROOF_OF_WORK";
 }

tianai-captcha/src/main/java/cloud/tianai/captcha/generator/impl/MultiImageCaptchaGenerator.java

@@ -47,14 +47,21 @@ public class MultiImageCaptchaGenerator extends AbstractImageCaptchaGenerator {
 
     @Override
     protected void doInit() {
-        // 滑块验证码
         addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(SLIDER, StandardSliderImageCaptchaGenerator::new));
-        // 旋转验证码
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(SLIDER_V2, EnhancedSliderImageCaptchaGenerator::new));
         addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(ROTATE, StandardRotateImageCaptchaGenerator::new));
-        // 拼接验证码
         addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(CONCAT, StandardConcatImageCaptchaGenerator::new));
-        // 点选文字验证码
         addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(WORD_IMAGE_CLICK, StandardWordClickImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(ICON_CLICK, IconClickImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(WORD_ORDER_CLICK, WordOrderClickImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(CURVE_SLIDER, CurveSliderImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(ANGLE, AngleRotateImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(SCRATCH, ScratchImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(JIGSAW, JigsawImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(CURVE_SLIDER_V2, CurveSliderV2ImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(CURVE_SLIDER_V3, CurveSliderV3ImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(CURVE_DRAW, CurveDrawImageCaptchaGenerator::new));
+        addImageCaptchaGeneratorProvider(new CommonImageCaptchaGeneratorProvider(PROOF_OF_WORK, ProofOfWorkCaptchaGenerator::new));
     }
 
     public void addImageCaptchaGeneratorProvider(ImageCaptchaGeneratorProvider provider) {

tianai-captcha/src/main/java/cloud/tianai/captcha/generator/impl/StandardRotateImageCaptchaGenerator.java

@@ -60,6 +60,14 @@ public class StandardRotateImageCaptchaGenerator extends AbstractImageCaptchaGen
         Optional<BufferedImage> maskTemplateOptional = getTemplateImageOfOptional(templateResource, TEMPLATE_MASK_IMAGE_NAME);
         if (maskTemplateOptional.isPresent()) {
             maskTemplate = maskTemplateOptional.get();
+        } else {
+            // 没有mask.png时，生成实心圆形蒙版（alpha=255），确保切出完整图片内容
+            maskTemplate = new BufferedImage(fixedTemplate.getWidth(), fixedTemplate.getHeight(), java.awt.image.BufferedImage.TYPE_INT_ARGB);
+            java.awt.Graphics2D gMask = maskTemplate.createGraphics();
+            gMask.setRenderingHint(java.awt.RenderingHints.KEY_ANTIALIASING, java.awt.RenderingHints.VALUE_ANTIALIAS_ON);
+            gMask.setColor(new java.awt.Color(255, 255, 255, 255));
+            gMask.fillOval(0, 0, fixedTemplate.getWidth(), fixedTemplate.getHeight());
+            gMask.dispose();
         }
 
         // 算出居中的x和y
@@ -68,21 +76,10 @@ public class StandardRotateImageCaptchaGenerator extends AbstractImageCaptchaGen
 
         // 抠图部分
         BufferedImage cutImage = CaptchaImageUtils.cutImage(background, maskTemplate, x, y);
-        BufferedImage rotateFixed = fixedTemplate;
+        // 随机x，转换为角度
-        BufferedImage rotateActive = activeTemplate;
-        if (param.getObfuscate()) {
-            int randomDegree = randomInt(10, 350);
-            rotateFixed = CaptchaImageUtils.rotateImage(fixedTemplate, randomDegree);
-            randomDegree = randomInt(10, 350);
-            rotateActive = CaptchaImageUtils.rotateImage(activeTemplate, randomDegree);
-        }
-        CaptchaImageUtils.overlayImage(background, rotateFixed, x, y);
-        CaptchaImageUtils.overlayImage(cutImage, rotateActive, 0, 0);
-        // 随机旋转抠图部分
-        // 随机x， 转换为角度
         int randomX = randomInt(fixedTemplate.getWidth() + 10, background.getWidth() - 10);
         double degree = 360d - randomX / ((background.getWidth()) / 360d);
-        // 旋转的透明图片是一张正方形的
+        // 模板图：窄条透明画布，切片居中旋转放置（官方方式）
         BufferedImage matrixTemplate = CaptchaImageUtils.createTransparentImage(cutImage.getWidth(), background.getHeight());
         CaptchaImageUtils.centerOverlayAndRotateImage(matrixTemplate, cutImage, degree);
 

tianai-captcha/src/main/java/cloud/tianai/captcha/validator/impl/SimpleImageCaptchaValidator.java

@@ -53,6 +53,9 @@ public class SimpleImageCaptchaValidator implements ImageCaptchaValidator, Slide
         CaptchaTypeClassifier.addSliderCaptchaType(CaptchaTypeConstant.ROTATE);
         CaptchaTypeClassifier.addSliderCaptchaType(CaptchaTypeConstant.SLIDER);
         CaptchaTypeClassifier.addClickCaptchaType(CaptchaTypeConstant.WORD_IMAGE_CLICK);
+        CaptchaTypeClassifier.addClickCaptchaType(CaptchaTypeConstant.ICON_CLICK);
+        CaptchaTypeClassifier.addClickCaptchaType(CaptchaTypeConstant.WORD_ORDER_CLICK);
+        CaptchaTypeClassifier.addJigsawCaptchaType(CaptchaTypeConstant.JIGSAW);
     }
 
     public SimpleImageCaptchaValidator(float defaultTolerant) {
@@ -119,6 +122,25 @@ public class SimpleImageCaptchaValidator implements ImageCaptchaValidator, Slide
         if (CaptchaTypeClassifier.isSliderCaptcha(type)) {
             // 滑动验证码
             addPercentage(imageCaptchaInfo, map);
+        } else if (CaptchaTypeConstant.CURVE_DRAW.equals(type)) {
+            // 曲线绘制验证码
+            if (expand == null) {
+                throw new IllegalArgumentException("曲线绘制验证码扩展数据为空， info=" + imageCaptchaInfo);
+            }
+            try {
+                cloud.tianai.captcha.generator.impl.CurveDrawImageCaptchaGenerator.CurveDrawData curveData =
+                        (cloud.tianai.captcha.generator.impl.CurveDrawImageCaptchaGenerator.CurveDrawData) expand;
+                StringBuilder sb = new StringBuilder();
+                for (java.awt.geom.Point2D.Double point : curveData.getSamplePoints()) {
+                    sb.append(calcPercentage((float) point.x, imageCaptchaInfo.getBackgroundImageWidth()))
+                            .append(",")
+                            .append(calcPercentage((float) point.y, imageCaptchaInfo.getBackgroundImageHeight()))
+                            .append(";");
+                }
+                map.put(PERCENTAGE_KEY, sb.toString());
+            } catch (Exception e) {
+                throw new IllegalArgumentException("曲线绘制验证码扩展数据转换失败， info=" + imageCaptchaInfo, e);
+            }
         } else if (CaptchaTypeClassifier.isClickCaptcha(type)) {
             // 图片点选验证码
             if (expand == null) {
@@ -158,6 +180,15 @@ public class SimpleImageCaptchaValidator implements ImageCaptchaValidator, Slide
         } else if (CaptchaTypeClassifier.isJigsawCaptcha(type)) {
             // 拼图验证码
             map.put(PERCENTAGE_KEY, expand);
+        } else if (CaptchaTypeConstant.SCRATCH.equals(type)) {
+            // 刮刮卡验证码 - 存储需要刮开的百分比阈值
+            String threshold = (expand != null) ? String.valueOf(expand) : "50";
+            map.put(PERCENTAGE_KEY, threshold);
+        } else if (CaptchaTypeConstant.PROOF_OF_WORK.equals(type)) {
+            // 工作量证明验证码 - 存储challenge和difficulty
+            if (expand != null) {
+                map.put("pow_data", expand);
+            }
         }
     }
 
@@ -236,12 +267,21 @@ public class SimpleImageCaptchaValidator implements ImageCaptchaValidator, Slide
         if (CaptchaTypeClassifier.isSliderCaptcha(type)) {
             // 滑动类型验证码
             return doValidSliderCaptcha(imageCaptchaTrack, imageCaptchaValidData, tolerant, type);
+        } else if (CaptchaTypeConstant.CURVE_DRAW.equals(type)) {
+            // 曲线绘制验证码
+            return doValidCurveDrawCaptcha(imageCaptchaTrack, imageCaptchaValidData, tolerant);
         } else if (CaptchaTypeClassifier.isClickCaptcha(type)) {
             // 点选类型验证码
             return doValidClickCaptcha(imageCaptchaTrack, imageCaptchaValidData, tolerant, type);
         } else if (CaptchaTypeClassifier.isJigsawCaptcha(type)) {
             // 拼图类型验证码
             return doValidJigsawCaptcha(imageCaptchaTrack, imageCaptchaValidData, tolerant, type);
+        } else if (CaptchaTypeConstant.SCRATCH.equals(type)) {
+            // 刮刮卡验证码
+            return doValidScratchCaptcha(imageCaptchaTrack, imageCaptchaValidData, tolerant);
+        } else if (CaptchaTypeConstant.PROOF_OF_WORK.equals(type)) {
+            // 工作量证明验证码
+            return doValidProofOfWork(imageCaptchaTrack, imageCaptchaValidData);
         }
         // 不支持的类型
         log.warn("校验验证码警告， 不支持的验证码类型:{}, 请手动扩展 cloud.tianai.captcha.validator.impl.SimpleImageCaptchaValidator.doValid 进行校验扩展", type);
@@ -254,7 +294,115 @@ public class SimpleImageCaptchaValidator implements ImageCaptchaValidator, Slide
         }
         String posArr = (String) imageCaptchaTrack.getData();
         String successPosStr = imageCaptchaValidData.getString(PERCENTAGE_KEY, null);
-        return successPosStr.equals(posArr);
+        return successPosStr != null && successPosStr.equals(posArr);
+    }
+
+    /**
+     * 校验刮刮卡验证码
+     * 检查用户刮开的面积是否超过阈值
+     */
+    public boolean doValidScratchCaptcha(ImageCaptchaTrack imageCaptchaTrack,
+                                          AnyMap imageCaptchaValidData,
+                                          Float tolerant) {
+        // data 字段存储刮开百分比 (0-100)
+        if (imageCaptchaTrack.getData() == null) {
+            return false;
+        }
+        int scratchPercent;
+        try {
+            scratchPercent = Integer.parseInt(String.valueOf(imageCaptchaTrack.getData()));
+        } catch (NumberFormatException e) {
+            return false;
+        }
+        // 阈值默认50%
+        String thresholdStr = imageCaptchaValidData.getString(PERCENTAGE_KEY, "50");
+        int threshold = 50;
+        try {
+            threshold = Integer.parseInt(thresholdStr);
+        } catch (NumberFormatException ignored) {}
+        return scratchPercent >= threshold;
+    }
+
+    /**
+     * 校验工作量证明验证码
+     * 检查用户提交的nonce是否满足SHA-256前导零要求
+     */
+    public boolean doValidProofOfWork(ImageCaptchaTrack imageCaptchaTrack,
+                                       AnyMap imageCaptchaValidData) {
+        if (imageCaptchaTrack.getData() == null) {
+            return false;
+        }
+        String nonce = String.valueOf(imageCaptchaTrack.getData());
+        Object powData = imageCaptchaValidData.get("pow_data");
+        if (powData == null) {
+            return false;
+        }
+        // pow_data is the PoWData object from the generator
+        try {
+            cloud.tianai.captcha.generator.impl.ProofOfWorkCaptchaGenerator.PoWData data =
+                    (cloud.tianai.captcha.generator.impl.ProofOfWorkCaptchaGenerator.PoWData) powData;
+            return cloud.tianai.captcha.generator.impl.ProofOfWorkCaptchaGenerator.verifyProof(
+                    data.challenge, data.difficulty, nonce);
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    /**
+     * 校验曲线绘制验证码
+     * 检查用户绘制的路径是否经过预期曲线的采样点附近
+     */
+    public boolean doValidCurveDrawCaptcha(ImageCaptchaTrack imageCaptchaTrack,
+                                            AnyMap imageCaptchaValidData,
+                                            Float tolerant) {
+        String validStr = imageCaptchaValidData.getString(PERCENTAGE_KEY, null);
+        if (ObjectUtils.isEmpty(validStr)) {
+            return false;
+        }
+        String[] splitArr = validStr.split(";");
+        List<ImageCaptchaTrack.Track> trackList = imageCaptchaTrack.getTrackList();
+        if (trackList == null || trackList.isEmpty()) {
+            return false;
+        }
+        // 取出所有 MOVE 类型的轨迹点（用户的绘制路径）
+        List<ImageCaptchaTrack.Track> drawTrackList = trackList
+                .stream()
+                .filter(t -> TrackTypeConstant.MOVE.equalsIgnoreCase(t.getType()))
+                .collect(Collectors.toList());
+        if (drawTrackList.isEmpty()) {
+            return false;
+        }
+        // 对每个预期采样点，检查用户路径中是否有接近的点
+        int matchedCount = 0;
+        int bgWidth = imageCaptchaTrack.getBgImageWidth();
+        int bgHeight = imageCaptchaTrack.getBgImageHeight();
+        for (String posStr : splitArr) {
+            if (ObjectUtils.isEmpty(posStr)) {
+                continue;
+            }
+            String[] posArr = posStr.split(",");
+            if (posArr.length < 2) {
+                continue;
+            }
+            float xPercentage = Float.parseFloat(posArr[0]);
+            float yPercentage = Float.parseFloat(posArr[1]);
+            // 检查用户路径中是否有接近该采样点的位置
+            boolean matched = false;
+            for (ImageCaptchaTrack.Track track : drawTrackList) {
+                float calcXPercentage = calcPercentage(track.getX(), bgWidth);
+                float calcYPercentage = calcPercentage(track.getY(), bgHeight);
+                if (checkPercentage(calcXPercentage, xPercentage, tolerant)
+                        && checkPercentage(calcYPercentage, yPercentage, tolerant)) {
+                    matched = true;
+                    break;
+                }
+            }
+            if (matched) {
+                matchedCount++;
+            }
+        }
+        // 如果匹配率超过 70% 则通过
+        return (double) matchedCount / splitArr.length >= 0.7;
     }
 
     /**