springboot中实现滑块验证demo

package com.shensu.captcha.test.demo; import com.alibaba.fastjson.JSONObject; import com.google.common.collect.Maps; import lombok.extern.slf4j.Slf4j; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.RandomUtils; import org.apache.shiro.SecurityUtils; import org.apache.shiro.authc.IncorrectCredentialsException; import org.apache.shiro.authc.UnknownAccountException; import org.apache.shiro.session.InvalidSessionException; import org.apache.shiro.session.Session; import org.apache.shiro.subject.Subject; import org.springframework.core.io.ClassPathResource; import org.springframework.stereotype.Controller; import org.springframework.util.Base64Utils; import org.springframework.util.NumberUtils; import org.springframework.web.bind.annotation.*; import javax.annotation.Resource; import java.io.*; import java.net.JarURLConnection; import java.net.URL; import java.net.URLDecoder; import java.util.*; import java.util.jar.JarEntry; import java.util.jar.JarFile; /** 1. Created by yansheng on 2014/6/29. */ @Slf4j @Controller @RequestMapping("/validate") public class ValidateController { /** * 生成验证码 * * @return */ @RequestMapping(value = "/init") @ResponseBody public JSONObject init() throws IOException { JSONObject object = new JSONObject(); /*redis实现:使用base64编码转化成字符串处理*/ // List<String> imgList = JedisUtils.getList(JedisConfig.KEY_VALIDATE_IMG); // List<String> tpllist = JedisUtils.getList(JedisConfig.KEY_VALIDATE_TPL); // if (null == imgList || imgList.size() < 1 || tpllist == null || tpllist.size() < 1) { // imgList = new ArrayList<String>(); // tpllist = new ArrayList<String>(); // initValidateResources(imgList,tpllist); // JedisUtils.setList(JedisConfig.KEY_VALIDATE_IMG,imgList,JedisConfig.JEDIS_EXPIRE*3); // JedisUtils.setList(JedisConfig.KEY_VALIDATE_TPL,tpllist,JedisConfig.JEDIS_EXPIRE*3); // } /*本地缓存实现*/ List<byte[]> imgList = ValidateCache.get(JedisConfig.KEY_VALIDATE_IMG); List<byte[]> tpllist = ValidateCache.get(JedisConfig.KEY_VALIDATE_TPL); if (null == imgList || imgList.size() < 1 || tpllist == null || tpllist.size() < 1) { imgList = new ArrayList<byte[]>(); tpllist = new ArrayList<byte[]>(); initValidateResources(imgList,tpllist); ValidateCache.set(JedisConfig.KEY_VALIDATE_IMG,imgList); ValidateCache.set(JedisConfig.KEY_VALIDATE_TPL,tpllist); } byte[] targetIS = null; byte[] templateIS = null; Random ra = new Random(); if (null != imgList){ int rd = ra.nextInt(imgList.size()); targetIS = imgList.get(rd); } if (null != tpllist){ int rd = ra.nextInt(tpllist.size()); templateIS = tpllist.get(rd); } Map<String, Object> pictureMap = null; try { pictureMap = VerifyImageUtil.pictureTemplatesCut(templateIS,targetIS , "png", "jpg"); String newImage = Base64Utils.encodeToString((byte[]) pictureMap.get("newImage")); String sourceImage = Base64Utils.encodeToString((byte[]) pictureMap.get("oriCopyImage")); int X = (int) pictureMap.get("X"); int Y = (int) pictureMap.get("Y"); object.put("newImage", newImage); object.put("sourceImage", sourceImage); //object.put("X", X); object.put("Y", Y); String token = UUID.randomUUID().toString().replaceAll("-", ""); Map<String, Object> tokenObj = new HashMap<String, Object>(); tokenObj.put("token", token); tokenObj.put("X", X); tokenObj.put("Y", Y); //token 保存2分钟 // JedisUtils.setObjectMap(JedisConfig.KEY_VALIDATE_TOKEN + ":" + token, tokenObj, 120000); object.put("token", token); } catch (Exception e) { log.error("",e); } return object; } /** * 初始化验证图形生成资源 * @param imgList * @param tpllist */ private void initValidateResources(List<byte[]> imgList, List<byte[]> tpllist) throws IOException { /*加载验证原图*/ String target = URLDecoder.decode(ValidateController.class.getClassLoader().getResource("static/image/validate/targets").getPath(),"UTF-8"); byte[] targetIS = null; byte[] templateIS = null; if (target.indexOf("!/") != -1) {//jar包 String jarPath = "jar:" + target; log.debug(jarPath); URL jarURL = new URL(jarPath); JarURLConnection jarCon = (JarURLConnection) jarURL.openConnection(); JarFile jarFile = jarCon.getJarFile(); Enumeration<JarEntry> jarEntrys = jarFile.entries(); while (jarEntrys.hasMoreElements()) { JarEntry entry = jarEntrys.nextElement(); String name = entry.getName(); if (name.startsWith("static/image/validate/targets") && !name.equals("static/image/validate/targets/") && (name.endsWith(".jpg") || name.endsWith(".png"))) { log.debug("targets=" + name); InputStream isTemplates = jarFile.getInputStream(entry); targetIS = IOUtils.toByteArray(jarFile.getInputStream(entry)); imgList.add(targetIS); } else if (name.startsWith("static/image/validate/templates") && !name.equals("static/image/validate/templates/") && (name.endsWith(".jpg") || name.endsWith(".png"))) { log.debug("templates=" + name); InputStream isTemplates = jarFile.getInputStream(entry); templateIS = IOUtils.toByteArray(jarFile.getInputStream(entry)); tpllist.add(templateIS); } } } else { File targetBaseFile = new File(target); if (null != targetBaseFile) { File[] fs = targetBaseFile.listFiles(); // Random ra = new Random(); // if (null != fs && fs.length > 0) { // int random = ra.nextInt(fs.length); // targetIS = IOUtils.toByteArray(new FileInputStream(fs[random])); // } for (File f : fs){ targetIS = IOUtils.toByteArray(new FileInputStream(f)); imgList.add(targetIS); } } /*加载切图模板*/ String template = URLDecoder.decode(ValidateController.class.getClassLoader().getResource("static/image/validate/templates").getFile(),"UTF-8"); File templateBaseFile = new File(template); if (null != templateBaseFile) { File[] fs = templateBaseFile.listFiles(); // Random ra = new Random(); // if (null != fs && fs.length > 0) { // int random = ra.nextInt(fs.length); // templateIS = IOUtils.toByteArray(new FileInputStream(fs[random])); // } for (File f : fs){ templateIS = IOUtils.toByteArray(new FileInputStream(f)); tpllist.add(templateIS); } } } log.info("initValidateResources:template size:" + tpllist.size() + "target size:" + imgList.size()); } /** * 验证方法 (有验证码的方法提交，有时候也可以带上验证参数，做后端二次验证) * * @return */ @RequestMapping(value = "check",method = RequestMethod.POST) @Respon