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自定义字符串验证码生成器

This commit is contained in:
weiweiw 2024-11-13 15:22:12 +08:00
parent 6a6d1d4c5e
commit 03e730319e
4 changed files with 49 additions and 7 deletions
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4
bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/ip/IpUtils.java
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@ -72,10 +72,6 @@ public class IpUtils
ip = request.getHeader("X-Real-IP");
}
if (ip == null || ip.length() == 0 || IP_UNKNOWN.equalsIgnoreCase(ip)){
ip = request.getRemoteAddr();
}
String remoteAddr = request.getRemoteAddr();
if (!StringUtils.isEmpty(ip) && !StringUtils.isEmpty(remoteAddr) && !ObjectUtils.isEmpty(trustedProxy)) {
//使用代理的情况下确定代理是可信的

6
bonus-gateway/src/main/java/com/bonus/gateway/config/CaptchaConfig.java
View File

@ -32,10 +32,12 @@ public class CaptchaConfig
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_SIZE, "40");
// KAPTCHA_SESSION_KEY
properties.setProperty(KAPTCHA_SESSION_CONFIG_KEY, "kaptchaCode");
// 验证码文本字符长度 默认为5
properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "6");
// // 验证码文本字符长度 默认为5,这个在自定义文本生成器里定义
// properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
// 验证码文本字体样式 默认为new Font("Arial", 1, fontSize), new Font("Courier", 1, fontSize)
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Arial,Courier");
properties.setProperty(KAPTCHA_TEXTPRODUCER_IMPL, "com.bonus.gateway.config.MixedTextCreator");
// 图片样式 水纹com.google.code.kaptcha.impl.WaterRipple 鱼眼com.google.code.kaptcha.impl.FishEyeGimpy 阴影com.google.code.kaptcha.impl.ShadowGimpy
// properties.setProperty(KAPTCHA_OBSCURIFICATOR_IMPL, "com.google.code.kaptcha.impl.ShadowGimpy");
Config config = new Config(properties);

2
bonus-gateway/src/main/java/com/bonus/gateway/config/KaptchaTextCreator.java
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@ -4,7 +4,7 @@ import java.util.Random;
import com.google.code.kaptcha.text.impl.DefaultTextCreator;
/**
* 验证码文本生成器
* 数学计算验证码文本生成器
*
* @author bonus
*/

44
bonus-gateway/src/main/java/com/bonus/gateway/config/MixedTextCreator.java Normal file
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@ -0,0 +1,44 @@
package com.bonus.gateway.config;
import com.google.code.kaptcha.text.TextProducer;
import java.util.Random;
public class MixedTextCreator implements TextProducer {
private static final String NUMBERS = "23456789";
private static final String LETTERS = "abcdefghijkmnopqrstuvwxyz";
private final Random random = new Random();
@Override
public String getText() {
// 确保至少包含2个数字和2个字母
StringBuilder text = new StringBuilder(6);
// 添加2个随机数字
for (int i = 0; i < 2; i++) {
text.append(NUMBERS.charAt(random.nextInt(NUMBERS.length())));
}
// 添加2个随机字母
for (int i = 0; i < 2; i++) {
text.append(LETTERS.charAt(random.nextInt(LETTERS.length())));
}
// 添加剩余2个随机字符（可以是数字或字母）
String allChars = NUMBERS + LETTERS;
for (int i = 0; i < 2; i++) {
text.append(allChars.charAt(random.nextInt(allChars.length())));
}
// 打乱字符顺序
char[] chars = text.toString().toCharArray();
for (int i = chars.length - 1; i > 0; i--) {
int index = random.nextInt(i + 1);
char temp = chars[index];
chars[index] = chars[i];
chars[i] = temp;
}
return new String(chars);
}
}