com.xingyuv.captcha.service.impl.ClickWordCaptchaServiceImpl Maven / Gradle / Ivy
/*
*Copyright © 2018 anji-plus
*安吉加加信息技术有限公司
*http://www.anji-plus.com
*All rights reserved.
*/
package com.xingyuv.captcha.service.impl;
import com.xingyuv.captcha.model.common.CaptchaTypeEnum;
import com.xingyuv.captcha.model.common.Const;
import com.xingyuv.captcha.model.common.RepCodeEnum;
import com.xingyuv.captcha.model.common.ResponseModel;
import com.xingyuv.captcha.model.vo.CaptchaVO;
import com.xingyuv.captcha.model.vo.PointVO;
import com.xingyuv.captcha.util.*;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.util.List;
import java.util.*;
/**
* 点选文字验证码
*
* Created by raodeming on 2019/12/25.
*/
public class ClickWordCaptchaServiceImpl extends AbstractCaptchaService {
public static String HAN_ZI = "\u7684\u4e00\u4e86\u662f\u6211\u4e0d\u5728\u4eba\u4eec\u6709\u6765\u4ed6\u8fd9\u4e0a\u7740\u4e2a\u5730\u5230\u5927\u91cc\u8bf4\u5c31\u53bb\u5b50\u5f97\u4e5f\u548c\u90a3\u8981\u4e0b\u770b\u5929\u65f6\u8fc7\u51fa\u5c0f\u4e48\u8d77\u4f60\u90fd\u628a\u597d\u8fd8\u591a\u6ca1\u4e3a\u53c8\u53ef\u5bb6\u5b66\u53ea\u4ee5\u4e3b\u4f1a\u6837\u5e74\u60f3\u751f\u540c\u8001\u4e2d\u5341\u4ece\u81ea\u9762\u524d\u5934\u9053\u5b83\u540e\u7136\u8d70\u5f88\u50cf\u89c1\u4e24\u7528\u5979\u56fd\u52a8\u8fdb\u6210\u56de\u4ec0\u8fb9\u4f5c\u5bf9\u5f00\u800c\u5df1\u4e9b\u73b0\u5c71\u6c11\u5019\u7ecf\u53d1\u5de5\u5411\u4e8b\u547d\u7ed9\u957f\u6c34\u51e0\u4e49\u4e09\u58f0\u4e8e\u9ad8\u624b\u77e5\u7406\u773c\u5fd7\u70b9\u5fc3\u6218\u4e8c\u95ee\u4f46\u8eab\u65b9\u5b9e\u5403\u505a\u53eb\u5f53\u4f4f\u542c\u9769\u6253\u5462\u771f\u5168\u624d\u56db\u5df2\u6240\u654c\u4e4b\u6700\u5149\u4ea7\u60c5\u8def\u5206\u603b\u6761\u767d\u8bdd\u4e1c\u5e2d\u6b21\u4eb2\u5982\u88ab\u82b1\u53e3\u653e\u513f\u5e38\u6c14\u4e94\u7b2c\u4f7f\u5199\u519b\u5427\u6587\u8fd0\u518d\u679c\u600e\u5b9a\u8bb8\u5feb\u660e\u884c\u56e0\u522b\u98de\u5916\u6811\u7269\u6d3b\u90e8\u95e8\u65e0\u5f80\u8239\u671b\u65b0\u5e26\u961f\u5148\u529b\u5b8c\u5374\u7ad9\u4ee3\u5458\u673a\u66f4\u4e5d\u60a8\u6bcf\u98ce\u7ea7\u8ddf\u7b11\u554a\u5b69\u4e07\u5c11\u76f4\u610f\u591c\u6bd4\u9636\u8fde\u8f66\u91cd\u4fbf\u6597\u9a6c\u54ea\u5316\u592a\u6307\u53d8\u793e\u4f3c\u58eb\u8005\u5e72\u77f3\u6ee1\u65e5\u51b3\u767e\u539f\u62ff\u7fa4\u7a76\u5404\u516d\u672c\u601d\u89e3\u7acb\u6cb3\u6751\u516b\u96be\u65e9\u8bba\u5417\u6839\u5171\u8ba9\u76f8\u7814\u4eca\u5176\u4e66\u5750\u63a5\u5e94\u5173\u4fe1\u89c9\u6b65\u53cd\u5904\u8bb0\u5c06\u5343\u627e\u4e89\u9886\u6216\u5e08\u7ed3\u5757\u8dd1\u8c01\u8349\u8d8a\u5b57\u52a0\u811a\u7d27\u7231\u7b49\u4e60\u9635\u6015\u6708\u9752\u534a\u706b\u6cd5\u9898\u5efa\u8d76\u4f4d\u5531\u6d77\u4e03\u5973\u4efb\u4ef6\u611f\u51c6\u5f20\u56e2\u5c4b\u79bb\u8272\u8138\u7247\u79d1\u5012\u775b\u5229\u4e16\u521a\u4e14\u7531\u9001\u5207\u661f\u5bfc\u665a\u8868\u591f\u6574\u8ba4\u54cd\u96ea\u6d41\u672a\u573a\u8be5\u5e76\u5e95\u6df1\u523b\u5e73\u4f1f\u5fd9\u63d0\u786e\u8fd1\u4eae\u8f7b\u8bb2\u519c\u53e4\u9ed1\u544a\u754c\u62c9\u540d\u5440\u571f\u6e05\u9633\u7167\u529e\u53f2\u6539\u5386\u8f6c\u753b\u9020\u5634\u6b64\u6cbb\u5317\u5fc5\u670d\u96e8\u7a7f\u5185\u8bc6\u9a8c\u4f20\u4e1a\u83dc\u722c\u7761\u5174\u5f62\u91cf\u54b1\u89c2\u82e6\u4f53\u4f17\u901a\u51b2\u5408\u7834\u53cb\u5ea6\u672f\u996d\u516c\u65c1\u623f\u6781\u5357\u67aa\u8bfb\u6c99\u5c81\u7ebf\u91ce\u575a\u7a7a\u6536\u7b97\u81f3\u653f\u57ce\u52b3\u843d\u94b1\u7279\u56f4\u5f1f\u80dc\u6559\u70ed\u5c55\u5305\u6b4c\u7c7b\u6e10\u5f3a\u6570\u4e61\u547c\u6027\u97f3\u7b54\u54e5\u9645\u65e7\u795e\u5ea7\u7ae0\u5e2e\u5566\u53d7\u7cfb\u4ee4\u8df3\u975e\u4f55\u725b\u53d6\u5165\u5cb8\u6562\u6389\u5ffd\u79cd\u88c5\u9876\u6025\u6797\u505c\u606f\u53e5\u533a\u8863\u822c\u62a5\u53f6\u538b\u6162\u53d4\u80cc\u7ec6";
protected static String clickWordFontStr = "NotoSerif-Light.ttf";
protected Font clickWordFont;//点选文字字体
/**
* 点选文字 字体总个数
*/
private int wordTotalCount = 4;
/**
* 点选文字 字体颜色是否随机
*/
private boolean fontColorRandom = Boolean.TRUE;
@Override
public String captchaType() {
return CaptchaTypeEnum.CLICKWORD.getCodeValue();
}
@Override
public void init(Properties config) {
super.init(config);
clickWordFontStr = config.getProperty(Const.CAPTCHA_FONT_TYPE, "SourceHanSansCN-Normal.otf");
try {
int size = Integer.parseInt(config.getProperty(Const.CAPTCHA_FONT_SIZE, HAN_ZI_SIZE + ""));
boolean exists = clickWordFontStr.toLowerCase().endsWith(".ttf")
|| clickWordFontStr.toLowerCase().endsWith(".ttc")
|| clickWordFontStr.toLowerCase().endsWith(".otf");
if (exists) {
this.clickWordFont = Font.createFont(Font.TRUETYPE_FONT,
Objects.requireNonNull(getClass().getResourceAsStream("/fonts/" + clickWordFontStr)))
.deriveFont(Font.BOLD, size);
} else {
int style = Integer.parseInt(config.getProperty(Const.CAPTCHA_FONT_STYLE, Font.BOLD + ""));
this.clickWordFont = new Font(clickWordFontStr, style, size);
}
} catch (Exception ex) {
logger.error("load font error:{}", ex);
}
this.wordTotalCount = Integer.parseInt(config.getProperty(Const.CAPTCHA_WORD_COUNT, "4"));
}
@Override
public void destroy(Properties config) {
logger.info("start-clear-history-data-", captchaType());
}
@Override
public ResponseModel get(CaptchaVO captchaVO) {
ResponseModel r = super.get(captchaVO);
if (!validatedReq(r)) {
return r;
}
BufferedImage bufferedImage = ImageUtils.getPicClick();
if (null == bufferedImage) {
logger.error("滑动底图未初始化成功，请检查路径");
return ResponseModel.errorMsg(RepCodeEnum.API_CAPTCHA_BASEMAP_NULL);
}
CaptchaVO imageData = getImageData(bufferedImage);
if (StringUtils.isBlank(imageData.getOriginalImageBase64())) {
return ResponseModel.errorMsg(RepCodeEnum.API_CAPTCHA_ERROR);
}
return ResponseModel.successData(imageData);
}
@Override
public ResponseModel check(CaptchaVO captchaVO) {
ResponseModel r = super.check(captchaVO);
if (!validatedReq(r)) {
return r;
}
//取坐标信息
String codeKey = String.format(REDIS_CAPTCHA_KEY, captchaVO.getToken());
if (!CaptchaServiceFactory.getCache(cacheType).exists(codeKey)) {
return ResponseModel.errorMsg(RepCodeEnum.API_CAPTCHA_INVALID);
}
String s = CaptchaServiceFactory.getCache(cacheType).get(codeKey);
//验证码只用一次，即刻失效
CaptchaServiceFactory.getCache(cacheType).delete(codeKey);
List point = null;
List point1 = null;
String pointJson = null;
/**
* [
* {
* "x": 85.0,
* "y": 34.0
* },
* {
* "x": 129.0,
* "y": 56.0
* },
* {
* "x": 233.0,
* "y": 27.0
* }
* ]
*/
try {
point = JsonUtil.parseArray(s, PointVO.class);
//aes解密
pointJson = decrypt(captchaVO.getPointJson(), point.get(0).getSecretKey());
point1 = JsonUtil.parseArray(pointJson, PointVO.class);
} catch (Exception e) {
logger.error("验证码坐标解析失败", e);
afterValidateFail(captchaVO);
return ResponseModel.errorMsg(e.getMessage());
}
for (int i = 0; i < point.size(); i++) {
if (point.get(i).x - HAN_ZI_SIZE > point1.get(i).x
|| point1.get(i).x > point.get(i).x + HAN_ZI_SIZE
|| point.get(i).y - HAN_ZI_SIZE > point1.get(i).y
|| point1.get(i).y > point.get(i).y + HAN_ZI_SIZE) {
afterValidateFail(captchaVO);
return ResponseModel.errorMsg(RepCodeEnum.API_CAPTCHA_COORDINATE_ERROR);
}
}
//校验成功，将信息存入缓存
String secretKey = point.get(0).getSecretKey();
String value;
try {
value = AESUtil.aesEncrypt(captchaVO.getToken().concat("---").concat(pointJson), secretKey);
} catch (Exception e) {
logger.error("AES加密失败", e);
afterValidateFail(captchaVO);
return ResponseModel.errorMsg(e.getMessage());
}
String secondKey = String.format(REDIS_SECOND_CAPTCHA_KEY, value);
CaptchaServiceFactory.getCache(cacheType).set(secondKey, captchaVO.getToken(), EXPIRESIN_THREE);
captchaVO.setResult(true);
captchaVO.resetClientFlag();
return ResponseModel.successData(captchaVO);
}
@Override
public ResponseModel verification(CaptchaVO captchaVO) {
/*if (captchaVO == null) {
return RepCodeEnum.NULL_ERROR.parseError("captchaVO");
}
if (StringUtils.isEmpty(captchaVO.getCaptchaVerification())) {
return RepCodeEnum.NULL_ERROR.parseError("captchaVerification");
}*/
ResponseModel r = super.verification(captchaVO);
if (!validatedReq(r)) {
return r;
}
try {
String codeKey = String.format(REDIS_SECOND_CAPTCHA_KEY, captchaVO.getCaptchaVerification());
if (!CaptchaServiceFactory.getCache(cacheType).exists(codeKey)) {
return ResponseModel.errorMsg(RepCodeEnum.API_CAPTCHA_INVALID);
}
//二次校验取值后，即刻失效
CaptchaServiceFactory.getCache(cacheType).delete(codeKey);
} catch (Exception e) {
logger.error("验证码坐标解析失败", e);
return ResponseModel.errorMsg(e.getMessage());
}
return ResponseModel.success();
}
public int getWordTotalCount() {
return wordTotalCount;
}
public void setWordTotalCount(int wordTotalCount) {
this.wordTotalCount = wordTotalCount;
}
public boolean isFontColorRandom() {
return fontColorRandom;
}
public void setFontColorRandom(boolean fontColorRandom) {
this.fontColorRandom = fontColorRandom;
}
private CaptchaVO getImageData(BufferedImage backgroundImage) {
CaptchaVO dataVO = new CaptchaVO();
List wordList = new ArrayList();
List pointList = new ArrayList<>();
Graphics backgroundGraphics = backgroundImage.getGraphics();
int width = backgroundImage.getWidth();
int height = backgroundImage.getHeight();
int wordCount = getWordTotalCount();
//定义随机1到arr.length某一个字不参与校验
int num = RandomUtils.getRandomInt(1, wordCount);
Set currentWords = getRandomWords(wordCount);
String secretKey = null;
if (captchaAesStatus) {
secretKey = AESUtil.getKey();
}
/*for (int i = 0; i < wordCount; i++) {
String word;
do {
word = RandomUtils.getRandomHan(HAN_ZI);
currentWords.add(word);
} while (!currentWords.contains(word));*/
int i = 0;
for (String word : currentWords) {
//随机字体坐标
PointVO point = randomWordPoint(width, height, i, wordCount);
point.setSecretKey(secretKey);
//随机字体颜色
if (isFontColorRandom()) {
backgroundGraphics.setColor(new Color(RandomUtils.getRandomInt(1, 255),
RandomUtils.getRandomInt(1, 255), RandomUtils.getRandomInt(1, 255)));
} else {
backgroundGraphics.setColor(Color.BLACK);
}
//设置角度
AffineTransform affineTransform = new AffineTransform();
affineTransform.rotate(Math.toRadians(RandomUtils.getRandomInt(-45, 45)), 0, 0);
Font rotatedFont = clickWordFont.deriveFont(affineTransform);
backgroundGraphics.setFont(rotatedFont);
backgroundGraphics.drawString(word, point.getX(), point.getY());
if ((num - 1) != i) {
wordList.add(word);
pointList.add(point);
}
i++;
}
backgroundGraphics.setFont(waterMarkFont);
backgroundGraphics.setColor(Color.white);
backgroundGraphics.drawString(waterMark, width - getEnOrChLength(waterMark), height - (HAN_ZI_SIZE / 2) + 7);
//创建合并图片
BufferedImage combinedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics combinedGraphics = combinedImage.getGraphics();
combinedGraphics.drawImage(backgroundImage, 0, 0, null);
dataVO.setOriginalImageBase64(ImageUtils.getImageToBase64Str(backgroundImage).replaceAll("\r|\n", ""));
//pointList信息不传到前端，只做后端check校验
//dataVO.setPointList(pointList);
dataVO.setWordList(wordList);
dataVO.setToken(RandomUtils.getUUID());
dataVO.setSecretKey(secretKey);
//将坐标信息存入redis中
String codeKey = String.format(REDIS_CAPTCHA_KEY, dataVO.getToken());
CaptchaServiceFactory.getCache(cacheType).set(codeKey, JsonUtil.toJSONString(pointList), EXPIRESIN_SECONDS);
// base64StrToImage(getImageToBase64Str(backgroundImage), "D:\\点击.png");
return dataVO;
}
private Set getRandomWords(int wordCount) {
Set words = new HashSet<>();
int size = HAN_ZI.length();
for (; ; ) {
String t = HAN_ZI.charAt(RandomUtils.getRandomInt(size)) + "";
words.add(t);
if (words.size() >= wordCount) {
break;
}
}
return words;
}
/**
* 随机字体循环排序下标
*
* @param imageWidth 图片宽度
* @param imageHeight 图片高度
* @param wordSortIndex 字体循环排序下标(i)
* @param wordCount 字数量
* @return PointVO
*/
private static PointVO randomWordPoint(int imageWidth, int imageHeight, int wordSortIndex, int wordCount) {
int avgWidth = imageWidth / (wordCount + 1);
int x, y;
if (avgWidth < HAN_ZI_SIZE_HALF) {
x = RandomUtils.getRandomInt(1 + HAN_ZI_SIZE_HALF, imageWidth);
} else {
if (wordSortIndex == 0) {
x = RandomUtils.getRandomInt(1 + HAN_ZI_SIZE_HALF, avgWidth * (wordSortIndex + 1) - HAN_ZI_SIZE_HALF);
} else {
x = RandomUtils.getRandomInt(avgWidth * wordSortIndex + HAN_ZI_SIZE_HALF, avgWidth * (wordSortIndex + 1) - HAN_ZI_SIZE_HALF);
}
}
y = RandomUtils.getRandomInt(HAN_ZI_SIZE, imageHeight - HAN_ZI_SIZE);
return new PointVO(x, y, null);
}
}