diff --git a/pom.xml b/pom.xml
index 343450c..d53c137 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
4.0.0
cloud.tianai.captcha
tianai-captcha
- 1.0.alpha
+ 1.0.beta
tianai-captcha
滑块验证码
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/CacheSliderCaptchaTemplate.java b/src/main/java/cloud/tianai/captcha/template/slider/CacheSliderCaptchaTemplate.java
new file mode 100644
index 0000000..4f07bf5
--- /dev/null
+++ b/src/main/java/cloud/tianai/captcha/template/slider/CacheSliderCaptchaTemplate.java
@@ -0,0 +1,115 @@
+package cloud.tianai.captcha.template.slider;
+
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+
+import java.net.URL;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Queue;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+@Slf4j
+public class CacheSliderCaptchaTemplate implements SliderCaptchaTemplate {
+
+ private final ScheduledExecutorService scheduledExecutor = new ScheduledThreadPoolExecutor(1, new NamedThreadFactory("slider-captcha-queue"));
+ private Queue queue;
+ private AtomicInteger pos = new AtomicInteger(0);
+ private SliderCaptchaTemplate target;
+ private int size;
+
+
+ public CacheSliderCaptchaTemplate(SliderCaptchaTemplate target, int size) {
+ this.target = target;
+ init(size);
+ }
+
+ private void init(int z) {
+ this.size = z;
+ this.pos = new AtomicInteger(0);
+ queue = new LinkedList<>();
+ // 初始化一个队列扫描
+ scheduledExecutor.scheduleAtFixedRate(() -> {
+ while (pos.get() < this.size) {
+ int count = pos.incrementAndGet();
+ if (count > size) {
+ return;
+ }
+ SliderCaptchaInfo slideImageInfo = target.getSlideImageInfo();
+ queue.add(slideImageInfo);
+ }
+ }, 0, 100, TimeUnit.MILLISECONDS);
+ }
+
+ @SneakyThrows
+ @Override
+ public SliderCaptchaInfo getSlideImageInfo() {
+ while (true) {
+ int i = pos.get();
+ if (i > 0) {
+ if (pos.compareAndSet(i, i - 1)) {
+ SliderCaptchaInfo poll = queue.poll();
+ if (poll != null) {
+ return poll;
+ }
+ }
+ }
+ // 休眠100毫秒
+ TimeUnit.MILLISECONDS.sleep(100);
+ }
+ }
+
+
+ public static void main(String[] args) throws InterruptedException {
+ SliderCaptchaTemplate captchaTemplate = new DefaultSliderCaptchaTemplate("webp", "webp", true);
+
+ captchaTemplate = new CacheSliderCaptchaTemplate(captchaTemplate, 20);
+ TimeUnit.SECONDS.sleep(5);
+ for (int i = 0; i < 100; i++) {
+ long start = System.currentTimeMillis();
+ SliderCaptchaInfo info = captchaTemplate.getSlideImageInfo();
+ long end = System.currentTimeMillis();
+ System.out.println("耗时:" + (end - start));
+ TimeUnit.MILLISECONDS.sleep(10);
+ }
+ }
+
+ @Override
+ public void addResource(URL url) {
+ target.addResource(url);
+ }
+
+ @Override
+ public void addTemplate(Map template) {
+ target.addTemplate(template);
+ }
+
+ @Override
+ public void setResource(List resources) {
+ target.setResource(resources);
+ }
+
+ @Override
+ public void setTemplates(List> imageTemplates) {
+ target.setTemplates(imageTemplates);
+ }
+
+ @Override
+ public void deleteResource(URL resource) {
+ target.deleteResource(resource);
+ }
+
+ @Override
+ public void deleteTemplate(Map template) {
+ target.deleteTemplate(template);
+ }
+
+ @Override
+ public boolean percentageContrast(Float newPercentage, Float oriPercentage) {
+ return target.percentageContrast(newPercentage, oriPercentage);
+ }
+}
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/DefaultSliderCaptchaTemplate.java b/src/main/java/cloud/tianai/captcha/template/slider/DefaultSliderCaptchaTemplate.java
new file mode 100644
index 0000000..7b8a6e7
--- /dev/null
+++ b/src/main/java/cloud/tianai/captcha/template/slider/DefaultSliderCaptchaTemplate.java
@@ -0,0 +1,436 @@
+package cloud.tianai.captcha.template.slider;
+
+import lombok.SneakyThrows;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.Area;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.PixelGrabber;
+import java.awt.image.WritableRaster;
+import java.io.ByteArrayOutputStream;
+import java.net.URL;
+import java.util.List;
+import java.util.*;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * @Author: 天爱有情
+ * @Date 2020/5/29 8:06
+ * @Description 滑块验证码模板
+ */
+public class DefaultSliderCaptchaTemplate implements SliderCaptchaTemplate {
+
+ /**
+ * 默认的resource资源文件路径.
+ */
+ public static final String DEFAULT_SLIDER_IMAGE_RESOURCE_PATH = "META-INF/cut-image/resource";
+ /**
+ * 默认的template资源文件路径.
+ */
+ public static final String DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH = "META-INF/cut-image/template";
+
+ public static final String ACTIVE_IMAGE_NAME = "active.png";
+ public static final String CUT_IMAGE_NAME = "cut.png";
+ public static final String FIXED_IMAGE_NAME = "fixed.png";
+ public static final String MATRIX_IMAGE_NAME = "matrix.png";
+
+ /**
+ * resource图片.
+ */
+ private List resourceImageFiles = new ArrayList<>(20);
+ /**
+ * 模板图片.
+ */
+ private List> templateImageFiles = new ArrayList<>(2);
+
+ protected String targetFormatName = "jpeg";
+ protected String matrixFormatName = "png";
+
+ public void initDefaultResource() {
+ // 添加一些系统的资源文件
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/1.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/2.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/3.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/4.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/5.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/6.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/7.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/8.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/9.jpg")));
+ addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/10.jpg")));
+
+ // 添加一些系统的 模板文件
+ Map template1 = new HashMap<>(4);
+ template1.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/active.png")));
+ template1.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/cut.png")));
+ template1.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/fixed.png")));
+ template1.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/matrix.png")));
+ addTemplate(template1);
+
+
+ Map template2 = new HashMap<>(4);
+ template2.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/active.png")));
+ template2.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/cut.png")));
+ template2.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/fixed.png")));
+ template2.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/matrix.png")));
+ addTemplate(template2);
+
+ Map template3 = new HashMap<>(4);
+ template3.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/active.png")));
+ template3.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/cut.png")));
+ template3.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/fixed.png")));
+ template3.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/matrix.png")));
+ addTemplate(template3);
+ }
+
+
+ private final AtomicBoolean loadResources = new AtomicBoolean(false);
+
+ private String sliderImageResourcePath = DEFAULT_SLIDER_IMAGE_RESOURCE_PATH;
+ private String sliderImageTemplatePath = DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH;
+
+ public DefaultSliderCaptchaTemplate(boolean initDefaultResource) {
+ // 加载系统资源文件
+ if (initDefaultResource) {
+ initDefaultResource();
+ }
+ }
+
+ public DefaultSliderCaptchaTemplate(String targetFormatName, String matrixFormatName, boolean initDefaultResource) {
+ this.targetFormatName = targetFormatName;
+ this.matrixFormatName = matrixFormatName;
+ if (initDefaultResource) {
+ initDefaultResource();
+ }
+ }
+
+ public DefaultSliderCaptchaTemplate(String targetFormatName,
+ String matrixFormatName,
+ String sliderImageResourcePath,
+ String sliderImageTemplatePath,
+ List r,
+ List> t,
+ boolean initDefaultResource) {
+ this.targetFormatName = targetFormatName;
+ this.matrixFormatName = matrixFormatName;
+ this.sliderImageResourcePath = sliderImageResourcePath;
+ this.sliderImageTemplatePath = sliderImageTemplatePath;
+ resourceImageFiles = r;
+ templateImageFiles = t;
+ if (initDefaultResource) {
+ initDefaultResource();
+ }
+ }
+
+
+ public DefaultSliderCaptchaTemplate(List r, List> t, boolean initDefaultResource) {
+ resourceImageFiles = r;
+ templateImageFiles = t;
+ if (initDefaultResource) {
+ initDefaultResource();
+ }
+ }
+
+
+ @Override
+ public void addResource(URL url) {
+ resourceImageFiles.remove(url);
+ resourceImageFiles.add(url);
+ }
+
+ @Override
+ public void setResource(List resources) {
+ resourceImageFiles = resources;
+ }
+
+ @Override
+ public void setTemplates(List> imageTemplates) {
+ templateImageFiles = imageTemplates;
+ }
+
+ @Override
+ public void deleteResource(URL resource) {
+ resourceImageFiles.remove(resource);
+ }
+
+ @Override
+ public void deleteTemplate(Map template) {
+ templateImageFiles.remove(template);
+ }
+
+ @Override
+ public void addTemplate(Map template) {
+ templateImageFiles.remove(template);
+ templateImageFiles.add(template);
+ }
+
+ private static ClassLoader getClassLoader() {
+ ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+ if (classLoader == null) {
+ classLoader = DefaultSliderCaptchaTemplate.getClassLoader();
+ }
+ if (classLoader == null) {
+ classLoader = ClassLoader.getSystemClassLoader();
+ }
+ return classLoader;
+ }
+
+ @Override
+ public SliderCaptchaInfo getSlideImageInfo() {
+ return getSlideImageInfo(this.targetFormatName, this.matrixFormatName);
+ }
+
+
+ @SneakyThrows
+ public SliderCaptchaInfo getSlideImageInfo(String targetFormatName, String matrixFormatName) {
+ URL resourceImage = getRandomResourceImage();
+ Map templateImages = getRandomTemplateImages();
+
+ BufferedImage cutBackground = warpFile2BufferedImage(resourceImage);
+ // 拷贝一份图片
+ BufferedImage targetBackground = deepCopyBufferedImage(cutBackground);
+
+ BufferedImage fixedTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, FIXED_IMAGE_NAME));
+ BufferedImage activeTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, ACTIVE_IMAGE_NAME));
+ BufferedImage matrixTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, MATRIX_IMAGE_NAME));
+// BufferedImage cutTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, CUT_IMAGE_NAME));
+
+ // 获取随机的 x 和 y 轴
+ int randomX = ThreadLocalRandom.current().nextInt(targetBackground.getWidth() - fixedTemplate.getWidth() * 2) + fixedTemplate.getWidth();
+ int randomY = ThreadLocalRandom.current().nextInt(targetBackground.getHeight() - fixedTemplate.getHeight());
+
+ coverImage(targetBackground, fixedTemplate, randomX, randomY);
+ BufferedImage cutImage = cutImage(cutBackground, fixedTemplate, randomX, randomY);
+ coverImage(cutImage, activeTemplate, 0, 0);
+ coverImage(matrixTemplate, cutImage, 0, randomY);
+ // 计算滑块百分比
+ Float xPercent = (float) randomX / targetBackground.getWidth();
+
+ String backGroundImageBase64 = transformBase64(targetBackground, targetFormatName);
+ String sliderImageBase64 = transformBase64(matrixTemplate, matrixFormatName);
+
+ return SliderCaptchaInfo.of(randomX, xPercent, randomY, backGroundImageBase64, sliderImageBase64);
+ }
+
+ /**
+ * 百分比对比
+ *
+ * @param newPercentage 用户百分比
+ * @param oriPercentage 原百分比
+ * @return true 成功 false 失败
+ */
+ @Override
+ public boolean percentageContrast(Float newPercentage, Float oriPercentage) {
+ if (newPercentage == null || Float.isNaN(newPercentage) || Float.isInfinite(newPercentage)
+ || oriPercentage == null || Float.isNaN(oriPercentage) || Float.isInfinite(oriPercentage)) {
+ return false;
+ }
+ // 容错值
+ float tolerant = 0.02f;
+ float maxTolerant = oriPercentage + tolerant;
+ float minTolerant = oriPercentage - tolerant;
+ return newPercentage >= minTolerant && newPercentage <= maxTolerant;
+ }
+
+
+ private String transformBase64(BufferedImage bufferedImage, String formatName) {
+ byte[] data = null;
+ try (ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream()) {
+ ImageIO.write(bufferedImage, formatName, byteArrayOutputStream);
+ //转换成字节码
+ data = byteArrayOutputStream.toByteArray();
+ } catch (Exception e) {
+ System.out.println(e.getMessage());
+ }
+ String base64 = Base64.getEncoder().encodeToString(data);
+ return "data:image/" + formatName + ";base64,".concat(base64);
+ }
+
+
+ /**
+ * 通过模板图片抠图（不透明部分）
+ *
+ * @param origin 源图片
+ * @param template 模板图片
+ * @param x 坐标轴x
+ * @param y 坐标轴y
+ * @return BufferedImage
+ */
+ @SneakyThrows
+ private static BufferedImage cutImage(BufferedImage origin, BufferedImage template, int x, int y) {
+ int bw = template.getWidth(null);
+ int bh = template.getHeight(null);
+ int lw = origin.getWidth(null);
+ int lh = origin.getHeight(null);
+ //得到透明的区域(人物轮廓)
+ Shape imageShape = getImageShape(template, false);
+ //合成后的图片
+ BufferedImage image = new BufferedImage(bw, bh, BufferedImage.TYPE_INT_ARGB);
+ Graphics2D graphics = image.createGraphics();
+ //设置画布为透明
+ image = graphics.getDeviceConfiguration().createCompatibleImage(bw, bh, Transparency.TRANSLUCENT);
+ graphics.dispose();
+ Graphics2D graphics2 = image.createGraphics();
+ //取交集(限制可以画的范围为shape的范围)
+ graphics2.clip(imageShape);
+ //抗锯齿
+ graphics2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+ graphics2.setStroke(new BasicStroke(5, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
+ graphics2.drawImage(origin, -x, -y, lw, lh, null);
+ graphics2.dispose();
+ return image;
+ }
+
+
+ /**
+ * 深度拷贝图片
+ *
+ * @param bi 原图片
+ * @return BufferedImage
+ */
+ public static BufferedImage deepCopyBufferedImage(BufferedImage bi) {
+ ColorModel cm = bi.getColorModel();
+ boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
+ WritableRaster raster = bi.copyData(bi.getRaster().createCompatibleWritableRaster());
+ return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
+ }
+
+ /**
+ * 将Image图像中的透明/不透明部分转换为Shape图形
+ *
+ * @param img 图片信息
+ * @param transparent 是否透明
+ * @return Shape
+ * @throws InterruptedException 异常
+ */
+ public static Shape getImageShape(Image img, boolean transparent) throws InterruptedException {
+ ArrayList x = new ArrayList<>();
+ ArrayList y = new ArrayList<>();
+ int width = img.getWidth(null);
+ int height = img.getHeight(null);
+
+ // 首先获取图像所有的像素信息
+ PixelGrabber pgr = new PixelGrabber(img, 0, 0, -1, -1, true);
+ pgr.grabPixels();
+ int[] pixels = (int[]) pgr.getPixels();
+
+ // 循环像素
+ for (int i = 0; i < pixels.length; i++) {
+ // 筛选，将不透明的像素的坐标加入到坐标ArrayList x和y中
+ int alpha = (pixels[i] >> 24) & 0xff;
+ if (alpha != 0) {
+ x.add(i % width > 0 ? i % width - 1 : 0);
+ y.add(i % width == 0 ? (i == 0 ? 0 : i / width - 1) : i / width);
+ }
+ }
+
+ // 建立图像矩阵并初始化(0为透明,1为不透明)
+ int[][] matrix = new int[height][width];
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < width; j++) {
+ matrix[i][j] = 0;
+ }
+ }
+
+ // 导入坐标ArrayList中的不透明坐标信息
+ for (int c = 0; c < x.size(); c++) {
+ matrix[y.get(c)][x.get(c)] = 1;
+ }
+
+ /*
+ * 逐一水平"扫描"图像矩阵的每一行，将透明（这里也可以取不透明的）的像素生成为Rectangle，
+ * 再将每一行的Rectangle通过Area类的rec对象进行合并， 最后形成一个完整的Shape图形
+ */
+ Area rec = new Area();
+ int temp = 0;
+ //生成Shape时是1取透明区域还是取非透明区域的flag
+ int flag = transparent ? 0 : 1;
+
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < width; j++) {
+ if (matrix[i][j] == flag) {
+ if (temp == 0) {
+ temp = j;
+ }
+ if (j == width) {
+ if (temp == 0) {
+ rec.add(new Area(new Rectangle(j, i, 1, 1)));
+ } else {
+ rec.add(new Area(new Rectangle(temp, i, j - temp, 1)));
+ temp = 0;
+ }
+ }
+ } else {
+ if (temp != 0) {
+ rec.add(new Area(new Rectangle(temp, i, j - temp, 1)));
+ temp = 0;
+ }
+ }
+ }
+ temp = 0;
+ }
+ return rec;
+ }
+
+ /**
+ * 图片覆盖（覆盖图压缩到width*height大小，覆盖到底图上）
+ *
+ * @param baseBufferedImage 底图
+ * @param coverBufferedImage 覆盖图
+ * @param x 起始x轴
+ * @param y 起始y轴
+ */
+ private static void coverImage(BufferedImage baseBufferedImage, BufferedImage coverBufferedImage,
+ int x, int y) {
+ // 创建Graphics2D对象，用在底图对象上绘图
+ Graphics2D g2d = baseBufferedImage.createGraphics();
+ // 绘制
+ g2d.drawImage(coverBufferedImage, x, y, coverBufferedImage.getWidth(), coverBufferedImage.getHeight(), null);
+ // 释放图形上下文使用的系统资源
+ g2d.dispose();
+ }
+
+ private URL getTemplateFile(Map templateImages, String imageName) {
+ URL url = templateImages.get(imageName);
+ if (url == null) {
+ throw new IllegalArgumentException("查找模板异常， 该模板下未找到 ");
+ }
+ return url;
+ }
+
+ private Map getRandomTemplateImages() {
+ if (templateImageFiles.size() == 1) {
+ return templateImageFiles.get(0);
+ }
+ int templateNo = ThreadLocalRandom.current().nextInt(templateImageFiles.size());
+ return templateImageFiles.get(templateNo);
+ }
+
+ @SneakyThrows
+ private static BufferedImage warpFile2BufferedImage(URL resourceImage) {
+ if (resourceImage == null) {
+ throw new IllegalArgumentException("包装文件到 BufferedImage 失败， file不能为空");
+ }
+ return ImageIO.read(resourceImage);
+ }
+
+ private URL getRandomResourceImage() {
+ int targetNo = ThreadLocalRandom.current().nextInt(resourceImageFiles.size());
+ return resourceImageFiles.get(targetNo);
+ }
+
+// public static void main(String[] args) throws InterruptedException {
+// DefaultSliderCaptchaTemplate sliderCaptchaTemplate = new DefaultSliderCaptchaTemplate();
+// // 生成滑块图片
+// SliderCaptchaInfo slideImageInfo = sliderCaptchaTemplate.getSlideImageInfo();
+// // 获取背景图片的base64
+// String backgroundImage = slideImageInfo.getBackgroundImage();
+// // 获取滑块图片
+// slideImageInfo.getSliderImage();
+// // 获取滑块被背景图片的百分比， (校验图片使用)
+// Float xPercent = slideImageInfo.getXPercent();
+// }
+}
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/NamedThreadFactory.java b/src/main/java/cloud/tianai/captcha/template/slider/NamedThreadFactory.java
new file mode 100644
index 0000000..a9d6e19
--- /dev/null
+++ b/src/main/java/cloud/tianai/captcha/template/slider/NamedThreadFactory.java
@@ -0,0 +1,44 @@
+package cloud.tianai.captcha.template.slider;
+
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A ThreadFactory that allows for custom thread names.
+ */
+public class NamedThreadFactory implements ThreadFactory {
+
+ private static final AtomicInteger THREAD_INDEX = new AtomicInteger(0);
+
+ private final String basename;
+ private final boolean daemon;
+
+ /**
+ * Creates a new instance of the factory.
+ *
+ * @param basename Basename of a new tread created by this factory.
+ */
+ public NamedThreadFactory(final String basename) {
+ this(basename, true);
+ }
+
+ /**
+ * Creates a new instance of the factory.
+ *
+ * @param basename Basename of a new tread created by this factory.
+ * @param daemon If true, marks new thread as a daemon thread
+ */
+ public NamedThreadFactory(final String basename, final boolean daemon) {
+
+ this.basename = basename;
+ this.daemon = daemon;
+ }
+
+ @Override
+ public Thread newThread(final Runnable runnable) {
+
+ final Thread thread = new Thread(runnable, basename + "-" + THREAD_INDEX.getAndIncrement());
+ thread.setDaemon(daemon);
+ return thread;
+ }
+}
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaResource.java b/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaResource.java
new file mode 100644
index 0000000..760386d
--- /dev/null
+++ b/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaResource.java
@@ -0,0 +1,54 @@
+package cloud.tianai.captcha.template.slider;
+
+import java.net.URL;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @Author: 天爱有情
+ * @date 2020/10/19 18:38
+ * @Description 滑块验证码资源
+ */
+public interface SliderCaptchaResource {
+ /**
+ * 添加资源
+ *
+ * @param url url
+ */
+ void addResource(URL url);
+
+ /**
+ * 添加模板
+ *
+ * @param template template
+ */
+ void addTemplate(Map template);
+
+ /**
+ * 设置资源
+ *
+ * @param resources resources
+ */
+ void setResource(List resources);
+
+ /**
+ * 设置模板
+ *
+ * @param imageTemplates imageTemplates
+ */
+ void setTemplates(List> imageTemplates);
+
+ /**
+ * 删除资源
+ *
+ * @param resource resource
+ */
+ void deleteResource(URL resource);
+
+ /**
+ * 删除模板
+ *
+ * @param template template
+ */
+ void deleteTemplate(Map template);
+}
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaTemplate.java b/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaTemplate.java
index 76f89bc..ffafc48 100644
--- a/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaTemplate.java
+++ b/src/main/java/cloud/tianai/captcha/template/slider/SliderCaptchaTemplate.java
@@ -1,181 +1,18 @@
package cloud.tianai.captcha.template.slider;
-import lombok.SneakyThrows;
-
-import javax.imageio.ImageIO;
-import java.awt.*;
-import java.awt.geom.Area;
-import java.awt.image.BufferedImage;
-import java.awt.image.ColorModel;
-import java.awt.image.PixelGrabber;
-import java.awt.image.WritableRaster;
-import java.io.ByteArrayOutputStream;
-import java.math.BigDecimal;
-import java.net.URL;
-import java.util.List;
-import java.util.*;
-import java.util.concurrent.ThreadLocalRandom;
-import java.util.concurrent.atomic.AtomicBoolean;
-
/**
* @Author: 天爱有情
- * @Date 2020/5/29 8:06
+ * @date 2020/10/19 18:37
* @Description 滑块验证码模板
*/
-public class SliderCaptchaTemplate {
+public interface SliderCaptchaTemplate extends SliderCaptchaResource {
- /** 默认的resource资源文件路径.*/
- public static final String DEFAULT_SLIDER_IMAGE_RESOURCE_PATH = "META-INF/cut-image/resource";
- /** 默认的template资源文件路径.*/
- public static final String DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH = "META-INF/cut-image/template";
-
- public static final String ACTIVE_IMAGE_NAME = "active.png";
- public static final String CUT_IMAGE_NAME = "cut.png";
- public static final String FIXED_IMAGE_NAME = "fixed.png";
- public static final String MATRIX_IMAGE_NAME = "matrix.png";
-
- /** resource图片.*/
- private static List resourceImageFiles = new ArrayList<>(20);
- /** 模板图片.*/
- private static List> templateImageFiles = new ArrayList<>(2);
-
- static {
- // 添加一些系统的资源文件
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/1.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/2.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/3.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/4.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/5.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/6.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/7.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/8.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/9.jpg")));
- addResource(getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/10.jpg")));
-
- // 添加一些系统的 模板文件
- Map template1 = new HashMap<>(4);
- template1.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/active.png")));
- template1.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/cut.png")));
- template1.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/fixed.png")));
- template1.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/1/matrix.png")));
- addTemplate(template1);
-
-
- Map template2 = new HashMap<>(4);
- template2.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/active.png")));
- template2.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/cut.png")));
- template2.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/fixed.png")));
- template2.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/2/matrix.png")));
- addTemplate(template2);
-
- Map template3 = new HashMap<>(4);
- template3.put(ACTIVE_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/active.png")));
- template3.put(CUT_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/cut.png")));
- template3.put(FIXED_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/fixed.png")));
- template3.put(MATRIX_IMAGE_NAME, getClassLoader().getResource(DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH.concat("/3/matrix.png")));
- addTemplate(template3);
-
- }
-
-
-
- private final AtomicBoolean loadResources = new AtomicBoolean(false);
-
- private String sliderImageResourcePath = DEFAULT_SLIDER_IMAGE_RESOURCE_PATH;
- private String sliderImageTemplatePath = DEFAULT_SLIDER_IMAGE_TEMPLATE_PATH;
-
- public SliderCaptchaTemplate() {
- // 加载系统资源文件
- }
-
-
- public SliderCaptchaTemplate(String sliderImageResourcePath, String sliderImageTemplatePath) {
- this.sliderImageResourcePath = sliderImageResourcePath;
- this.sliderImageTemplatePath = sliderImageTemplatePath;
- // 加载系统资源文件
- }
-
- public SliderCaptchaTemplate(List r, List> t) {
- resourceImageFiles = r;
- templateImageFiles = t;
- }
-
- public static void addResource(URL url) {
- resourceImageFiles.remove(url);
- resourceImageFiles.add(url);
- }
-
- public static void setResource(List resources) {
- resourceImageFiles = resources;
- }
-
- public static void setTemplates(List> imageTemplates) {
- templateImageFiles = imageTemplates;
- }
-
- public static void deleteResource(URL resource) {
- resourceImageFiles.remove(resource);
- }
-
- public static void deleteTemplate(Map template) {
- templateImageFiles.remove(template);
- }
-
- public static void addTemplate(Map template) {
- templateImageFiles.remove(template);
- templateImageFiles.add(template);
- }
-
- private static ClassLoader getClassLoader() {
- ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
- if (classLoader == null) {
- classLoader = SliderCaptchaTemplate.getClassLoader();
- }
- if (classLoader == null) {
- classLoader = ClassLoader.getSystemClassLoader();
- }
- return classLoader;
- }
-
- public SliderCaptchaInfo getSlideImageInfo(){
- return getSlideImageInfo("jpg", "png");
- }
-
- public SliderCaptchaInfo getSlideImageInfoForWebp(){
- return getSlideImageInfo("webp", "webp");
- }
-
-
- @SneakyThrows
- public SliderCaptchaInfo getSlideImageInfo(String targetFormatName, String matrixFormatName) {
- URL resourceImage = getRandomResourceImage();
- Map templateImages = getRandomTemplateImages();
-
- BufferedImage cutBackground = warpFile2BufferedImage(resourceImage);
- // 拷贝一份图片
- BufferedImage targetBackground = deepCopyBufferedImage(cutBackground);
-
- BufferedImage fixedTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, FIXED_IMAGE_NAME));
- BufferedImage activeTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, ACTIVE_IMAGE_NAME));
- BufferedImage matrixTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, MATRIX_IMAGE_NAME));
-// BufferedImage cutTemplate = warpFile2BufferedImage(getTemplateFile(templateImages, CUT_IMAGE_NAME));
-
- // 获取随机的 x 和 y 轴
- int randomX = ThreadLocalRandom.current().nextInt(targetBackground.getWidth() - fixedTemplate.getWidth() * 2) + fixedTemplate.getWidth();
- int randomY =ThreadLocalRandom.current().nextInt(targetBackground.getHeight() - fixedTemplate.getHeight());
-
- coverImage(targetBackground, fixedTemplate, randomX, randomY);
- BufferedImage cutImage = cutImage(cutBackground, fixedTemplate, randomX, randomY);
- coverImage(cutImage, activeTemplate, 0, 0);
- coverImage(matrixTemplate, cutImage, 0, randomY);
- // 计算滑块百分比
- Float xPercent = (float) randomX / targetBackground.getWidth();
-
- String backGroundImageBase64 = transformBase64(targetBackground, targetFormatName);
- String sliderImageBase64 = transformBase64(matrixTemplate, matrixFormatName);
-
- return SliderCaptchaInfo.of(randomX, xPercent, randomY, backGroundImageBase64, sliderImageBase64);
- }
+ /**
+ * 获取滑块验证码
+ *
+ * @return SliderCaptchaInfo
+ */
+ SliderCaptchaInfo getSlideImageInfo();
/**
* 百分比对比
@@ -184,213 +21,5 @@ public class SliderCaptchaTemplate {
* @param oriPercentage 原百分比
* @return true 成功 false 失败
*/
- public boolean percentageContrast(Float newPercentage, Float oriPercentage) {
- if (newPercentage == null || Float.isNaN(newPercentage) || Float.isInfinite(newPercentage)
- || oriPercentage == null || Float.isNaN(oriPercentage) || Float.isInfinite(oriPercentage)) {
- return false;
- }
- // 容错值
- float tolerant = 0.02f;
- float maxTolerant = oriPercentage + tolerant;
- float minTolerant = oriPercentage - tolerant;
- return newPercentage >= minTolerant && newPercentage <= maxTolerant;
- }
-
-
- private String transformBase64(BufferedImage bufferedImage, String formatName) {
- byte[] data = null;
- try (ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream()) {
- ImageIO.write(bufferedImage, formatName, byteArrayOutputStream);
- //转换成字节码
- data = byteArrayOutputStream.toByteArray();
- } catch (Exception e) {
- System.out.println(e.getMessage());
- }
- String base64 = Base64.getEncoder().encodeToString(data);
- return "data:image/"+formatName+";base64,".concat(base64);
- }
-
-
- /**
- * 通过模板图片抠图（不透明部分）
- *
- * @param origin 源图片
- * @param template 模板图片
- * @param x 坐标轴x
- * @param y 坐标轴y
- * @return BufferedImage
- */
- @SneakyThrows
- private static BufferedImage cutImage(BufferedImage origin, BufferedImage template, int x, int y) {
- int bw = template.getWidth(null);
- int bh = template.getHeight(null);
- int lw = origin.getWidth(null);
- int lh = origin.getHeight(null);
- //得到透明的区域(人物轮廓)
- Shape imageShape = getImageShape(template, false);
- //合成后的图片
- BufferedImage image = new BufferedImage(bw, bh, BufferedImage.TYPE_INT_ARGB);
- Graphics2D graphics = image.createGraphics();
- //设置画布为透明
- image = graphics.getDeviceConfiguration().createCompatibleImage(bw, bh, Transparency.TRANSLUCENT);
- graphics.dispose();
- Graphics2D graphics2 = image.createGraphics();
- //取交集(限制可以画的范围为shape的范围)
- graphics2.clip(imageShape);
- //抗锯齿
- graphics2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
- graphics2.setStroke(new BasicStroke(5, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
- graphics2.drawImage(origin, -x, -y, lw, lh, null);
- graphics2.dispose();
- return image;
- }
-
-
- /**
- * 深度拷贝图片
- * @param bi 原图片
- * @return BufferedImage
- */
- public static BufferedImage deepCopyBufferedImage(BufferedImage bi) {
- ColorModel cm = bi.getColorModel();
- boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
- WritableRaster raster = bi.copyData(bi.getRaster().createCompatibleWritableRaster());
- return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
- }
-
- /**
- * 将Image图像中的透明/不透明部分转换为Shape图形
- *
- * @param img 图片信息
- * @param transparent 是否透明
- * @return Shape
- * @throws InterruptedException 异常
- */
- public static Shape getImageShape(Image img, boolean transparent) throws InterruptedException {
- ArrayList x = new ArrayList<>();
- ArrayList y = new ArrayList<>();
- int width = img.getWidth(null);
- int height = img.getHeight(null);
-
- // 首先获取图像所有的像素信息
- PixelGrabber pgr = new PixelGrabber(img, 0, 0, -1, -1, true);
- pgr.grabPixels();
- int[] pixels = (int[]) pgr.getPixels();
-
- // 循环像素
- for (int i = 0; i < pixels.length; i++) {
- // 筛选，将不透明的像素的坐标加入到坐标ArrayList x和y中
- int alpha = (pixels[i] >> 24) & 0xff;
- if (alpha != 0) {
- x.add(i % width > 0 ? i % width - 1 : 0);
- y.add(i % width == 0 ? (i == 0 ? 0 : i / width - 1) : i / width);
- }
- }
-
- // 建立图像矩阵并初始化(0为透明,1为不透明)
- int[][] matrix = new int[height][width];
- for (int i = 0; i < height; i++) {
- for (int j = 0; j < width; j++) {
- matrix[i][j] = 0;
- }
- }
-
- // 导入坐标ArrayList中的不透明坐标信息
- for (int c = 0; c < x.size(); c++) {
- matrix[y.get(c)][x.get(c)] = 1;
- }
-
- /*
- * 逐一水平"扫描"图像矩阵的每一行，将透明（这里也可以取不透明的）的像素生成为Rectangle，
- * 再将每一行的Rectangle通过Area类的rec对象进行合并， 最后形成一个完整的Shape图形
- */
- Area rec = new Area();
- int temp = 0;
- //生成Shape时是1取透明区域还是取非透明区域的flag
- int flag = transparent ? 0 : 1;
-
- for (int i = 0; i < height; i++) {
- for (int j = 0; j < width; j++) {
- if (matrix[i][j] == flag) {
- if (temp == 0) {
- temp = j;
- }
- if (j == width) {
- if (temp == 0) {
- rec.add(new Area(new Rectangle(j, i, 1, 1)));
- } else {
- rec.add(new Area(new Rectangle(temp, i, j - temp, 1)));
- temp = 0;
- }
- }
- } else {
- if (temp != 0) {
- rec.add(new Area(new Rectangle(temp, i, j - temp, 1)));
- temp = 0;
- }
- }
- }
- temp = 0;
- }
- return rec;
- }
-
- /**
- * 图片覆盖（覆盖图压缩到width*height大小，覆盖到底图上）
- *
- * @param baseBufferedImage 底图
- * @param coverBufferedImage 覆盖图
- * @param x 起始x轴
- * @param y 起始y轴
- */
- private static void coverImage(BufferedImage baseBufferedImage, BufferedImage coverBufferedImage,
- int x, int y) {
- // 创建Graphics2D对象，用在底图对象上绘图
- Graphics2D g2d = baseBufferedImage.createGraphics();
- // 绘制
- g2d.drawImage(coverBufferedImage, x, y, coverBufferedImage.getWidth(), coverBufferedImage.getHeight(), null);
- // 释放图形上下文使用的系统资源
- g2d.dispose();
- }
-
- private URL getTemplateFile(Map templateImages, String imageName) {
- URL url = templateImages.get(imageName);
- if (url == null) {
- throw new IllegalArgumentException("查找模板异常， 该模板下未找到 ");
- }
- return url;
- }
-
- private Map getRandomTemplateImages() {
- if (templateImageFiles.size() == 1) {
- return templateImageFiles.get(0);
- }
- int templateNo = ThreadLocalRandom.current().nextInt(templateImageFiles.size());
- return templateImageFiles.get(templateNo);
- }
-
- @SneakyThrows
- private static BufferedImage warpFile2BufferedImage(URL resourceImage) {
- if (resourceImage == null) {
- throw new IllegalArgumentException("包装文件到 BufferedImage 失败， file不能为空");
- }
- return ImageIO.read(resourceImage);
- }
-
- private URL getRandomResourceImage() {
- int targetNo = ThreadLocalRandom.current().nextInt(resourceImageFiles.size());
- return resourceImageFiles.get(targetNo);
- }
-
- public static void main(String[] args) {
- SliderCaptchaTemplate sliderCaptchaTemplate = new SliderCaptchaTemplate();
- // 生成滑块图片
- SliderCaptchaInfo slideImageInfo = sliderCaptchaTemplate.getSlideImageInfo();
- // 获取背景图片的base64
- String backgroundImage = slideImageInfo.getBackgroundImage();
- // 获取滑块图片
- slideImageInfo.getSliderImage();
- // 获取滑块被背景图片的百分比， (校验图片使用)
- Float xPercent = slideImageInfo.getXPercent();
- }
+ boolean percentageContrast(Float newPercentage, Float oriPercentage);
}
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/exception/SliderCaptchaException.java b/src/main/java/cloud/tianai/captcha/template/slider/exception/SliderCaptchaException.java
new file mode 100644
index 0000000..8a276de
--- /dev/null
+++ b/src/main/java/cloud/tianai/captcha/template/slider/exception/SliderCaptchaException.java
@@ -0,0 +1,22 @@
+package cloud.tianai.captcha.template.slider.exception;
+
+public class SliderCaptchaException extends RuntimeException{
+ public SliderCaptchaException() {
+ }
+
+ public SliderCaptchaException(String message) {
+ super(message);
+ }
+
+ public SliderCaptchaException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public SliderCaptchaException(Throwable cause) {
+ super(cause);
+ }
+
+ public SliderCaptchaException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+ super(message, cause, enableSuppression, writableStackTrace);
+ }
+}