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新增谷歌账号验证工具类

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This commit is contained in:
yutou
2020-09-28 18:31:56 +08:00
parent 75c563c714
commit 11bbd3642e
5 changed files with 182 additions and 163 deletions
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157
src/main/java/com/yutou/tools/Tools/GoogleAccount.java Normal file
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@@ -0,0 +1,157 @@
package com.yutou.tools.Tools;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Scanner;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base32;
import org.apache.commons.codec.binary.Base64;
public class GoogleAccount {
// 生成的key长度( Generate secret key length)
public static final int SECRET_SIZE = 10;
public static final String SEED = "g8GjEvTbW5oVSV7avL47357438reyhreyuryetredLDVKs2m0QN7vxRs2im5MDaNCWGmcD2rvcZx";
// Java实现随机数算法
public static final String RANDOM_NUMBER_ALGORITHM = "SHA1PRNG";
// 最多可偏移的时间
int window_size = 3; // default 3 - max 17
/**
* set the windows size. This is an integer value representing the number of
* 30 second windows we allow The bigger the window, the more tolerant of
* clock skew we are.
*
* @param s window size - must be >=1 and <=17. Other values are ignored
*/
public void setWindowSize(int s) {
if (s >= 1 && s <= 17)
window_size = s;
}
/**
* Generate a random secret key. This must be saved by the server and
* associated with the users account to verify the code displayed by Google
* Authenticator. The user must register this secret on their device.
* 生成一个随机秘钥
*
* @return secret key
*/
public static String generateSecretKey() {
SecureRandom sr = null;
try {
sr = SecureRandom.getInstance(RANDOM_NUMBER_ALGORITHM);
sr.setSeed(Base64.decodeBase64(SEED));
byte[] buffer = sr.generateSeed(SECRET_SIZE);
Base32 codec = new Base32();
byte[] bEncodedKey = codec.encode(buffer);
String encodedKey = new String(bEncodedKey);
return encodedKey;
} catch (NoSuchAlgorithmException e) {
// should never occur... configuration error
}
return null;
}
/**
* Return a URL that generates and displays a QR barcode. The user scans
* this bar code with the Google Authenticator application on their
* smartphone to register the auth code. They can also manually enter the
* secret if desired
*
* @param user user id (e.g. fflinstone)
* @param host host or system that the code is for (e.g. myapp.com)
* @param secret the secret that was previously generated for this user
* @return the URL for the QR code to scan
*/
public static String getQRBarcodeURL(String user, String host, String secret) {
String format = "http://www.google.com/chart?chs=200x200&chld=M%%7C0&cht=qr&chl=otpauth://totp/%s@%s?secret=%s";
return String.format(format, user, host, secret);
}
/**
* 生成一个google身份验证器，识别的字符串，只需要把该方法返回值生成二维码扫描就可以了。
*
* @param user 账号
* @param secret 密钥
* @return
*/
public static String getQRBarcode(String user, String secret) {
String format = "otpauth://totp/%s?secret=%s";
return String.format(format, user, secret);
}
/**
* Check the code entered by the user to see if it is valid 验证code是否合法
*
* @param secret The users secret.
* @param code The code displayed on the users device
* @param timeMsec The time in msec (System.currentTimeMillis() for example)
* @return
*/
public boolean check_code(String secret, long code, long timeMsec) {
Base32 codec = new Base32();
byte[] decodedKey = codec.decode(secret);
// convert unix msec time into a 30 second "window"
// this is per the TOTP spec (see the RFC for details)
long t = (timeMsec / 1000L) / 30L;
// Window is used to check codes generated in the near past.
// You can use this value to tune how far you're willing to go.
for (int i = -window_size; i <= window_size; ++i) {
long hash;
try {
hash = verify_code(decodedKey, t + i);
} catch (Exception e) {
// Yes, this is bad form - but
// the exceptions thrown would be rare and a static
// configuration problem
e.printStackTrace();
throw new RuntimeException(e.getMessage());
// return false;
}
if (hash == code) {
return true;
}
}
// The validation code is invalid.
return false;
}
private static int verify_code(byte[] key, long t) throws NoSuchAlgorithmException, InvalidKeyException {
byte[] data = new byte[8];
long value = t;
for (int i = 8; i-- > 0; value >>>= 8) {
data[i] = (byte) value;
}
SecretKeySpec signKey = new SecretKeySpec(key, "HmacSHA1");
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(signKey);
byte[] hash = mac.doFinal(data);
int offset = hash[20 - 1] & 0xF;
// We're using a long because Java hasn't got unsigned int.
long truncatedHash = 0;
for (int i = 0; i < 4; ++i) {
truncatedHash <<= 8;
// We are dealing with signed bytes:
// we just keep the first byte.
truncatedHash |= (hash[offset + i] & 0xFF);
}
truncatedHash &= 0x7FFFFFFF;
truncatedHash %= 1000000;
return (int) truncatedHash;
}
public static void main(String[] args) {
String secret=GoogleAccount.generateSecretKey();
String qrcode = GoogleAccount.getQRBarcode("yutou", secret);
System.out.println("qrcode:" + qrcode + ",key:" + secret);
while (true){
String code=new Scanner(System.in).nextLine();
GoogleAccount account=new GoogleAccount();
boolean check=account.check_code(secret,Long.parseLong(code),System.currentTimeMillis());
System.out.println("验证结果:"+check);
}
}
}

30
src/main/java/com/yutou/tools/utils/RedisTools.java
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@@ -16,6 +16,7 @@ import redis.clients.jedis.JedisPubSub;
import javax.accessibility.AccessibleAction;
public class RedisTools {
private static boolean isNotInstallRedis = false;
private static String host;
private static int port;
public static int TOKEN_TIMEOUT_DEFAULT = 360;
@@ -35,6 +36,9 @@ public class RedisTools {
public static boolean set(int dbIndex, String key, String value) {
try {
if (isNotInstallRedis) {
return false;
}
Jedis jedis = getRedis();
jedis.select(dbIndex);
String ret = jedis.set(key, value);
@@ -54,6 +58,9 @@ public class RedisTools {
public static boolean set(String key, String value, int timeout) {
try {
if (isNotInstallRedis) {
return false;
}
Jedis jedis = getRedis();
if (timeout == -1) {
jedis.set(key, value);
@@ -71,6 +78,9 @@ public class RedisTools {
public static String get(String key, int dbIndex) {
String value = "-999";
if (isNotInstallRedis) {
return value;
}
Jedis jedis = null;
try {
jedis = getRedis();
@@ -92,6 +102,9 @@ public class RedisTools {
}
public static boolean remove(String key) {
if (isNotInstallRedis) {
return false;
}
Jedis jedis = getRedis();
Long i = jedis.del(key);
jedis.close();
@@ -121,6 +134,9 @@ public class RedisTools {
}
public static boolean exists(String key, String value) {
if (isNotInstallRedis) {
return false;
}
Jedis jedis = getRedis();
boolean flag = value.equals(jedis.get(key));
jedis.close();
@@ -150,6 +166,9 @@ public class RedisTools {
}
private static Jedis getPoolRedis() {
if (isNotInstallRedis) {
return null;
}
JedisPoolConfig poolConfig = new JedisPoolConfig();
poolConfig.setMaxIdle(0);
poolConfig.setMaxWaitMillis(1000);
@@ -178,7 +197,8 @@ public class RedisTools {
@Override
public void run() {
Jedis jedis = getPoolRedis();
jedis.psubscribe(new Consumer(), "*");
if (jedis != null)
jedis.psubscribe(new Consumer(), "*");
}
}).start();
@@ -191,12 +211,12 @@ public class RedisTools {
System.out.println("onPMessage: channel=" + channel + " msg=" + message + " pattern=" + pattern);
switch (channel) {
case "system":
switch (message){
switch (message) {
case "openPC":
system("openPC",null);
system("openPC", null);
break;
case "updateIP":
system("updateIP",null);
system("updateIP", null);
break;
}
break;
@@ -226,7 +246,7 @@ public class RedisTools {
exec = value;
break;
case "updateIP":
exec="python3 /media/yutou/4t/public/Python/tools/ip.py";
exec = "python3 /media/yutou/4t/public/Python/tools/ip.py";
break;
}
if (exec != null) {