com.github.lsqlebai.utils.DigestUtils.kt Maven / Gradle / Ivy
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An kotlin server common jar
package com.github.lsqlebai.utils
import org.apache.commons.codec.digest.DigestUtils
import java.io.DataInputStream
import java.io.InputStream
import java.io.UnsupportedEncodingException
import java.net.URL
import java.nio.charset.Charset
import java.security.DigestException
import java.security.MessageDigest
import java.security.NoSuchAlgorithmException
import java.util.*
object DigestUtils {
val ENCODING = "UTF-8"
val DIGEST_KEY = "AVuu7SWwv99YCbb11IHlk5ONlq77YXba3HLlp57RRvu99Bbe13HHkk55RQuu99i3"
fun decodeBase64(data: String): String {
val _data = data.toByteArray()
try {
return String(Base64.getDecoder().decode(_data), Charset.forName(ENCODING))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun decodeBase64(data: String, encoding: String): String {
val _date = data.toByteArray()
try {
return String(Base64.getDecoder().decode(_date), Charset.forName(encoding))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun encodeBase64(data: String): String {
val _date = data.toByteArray()
try {
return String(Base64.getEncoder().encode(_date), Charset.forName(ENCODING))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun encodeBase64ToByte(data: ByteArray): ByteArray {
try {
return Base64.getEncoder().encode(data)
} catch (e: Exception) {
throw DigestException("encoding unknow", e)
}
}
fun encodeBase64(date: ByteArray): String {
try {
return String(Base64.getEncoder().encode(date), Charset.forName(ENCODING))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun decodeBase64(date: ByteArray): ByteArray {
return Base64.getDecoder().decode(date)
}
fun encodeBase64(data: String, encoding: String): String {
val _date = data.toByteArray()
try {
return String(Base64.getEncoder().encode(_date), Charset.forName(encoding))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun encodeBase64(data: String, byteEncoding: String, encoding: String): String {
try {
val _date = data.toByteArray(charset(byteEncoding))
return String(Base64.getEncoder().encode(_date), Charset.forName(encoding))
} catch (e: UnsupportedEncodingException) {
throw DigestException("encoding unknow", e)
}
}
fun randomCode(digit:Int = 6):String {
val random = Random()
var sb = StringBuilder()
for (i in 1..digit)
sb.append(random.nextInt(10))
return sb.toString()
}
//
// public static String md5(String data) {
// String _date = M.md5Hex(data);
// return _date;
// }
//
// public static String md5(byte[] data) {
// String _date = org.apache.commons.codec.digest.DigestUtils.md5Hex(data);
// return _date;
// }
//
// public static String md5(InputStream data) {
// String _date = null;
// try {
// _date = org.apache.commons.codec.digest.DigestUtils.md5Hex(data);
// } catch (IOException e) {
// e.printStackTrace();
// }
// return _date;
// }
//
//
// public static String sha1(String data) {
// return org.apache.commons.codec.digest.DigestUtils.sha1Hex(data);
// }
//
//
// public static String urlEncode(String data, String encoding) {
// try {
// return URLEncoder.encode(data, encoding);
// } catch (UnsupportedEncodingException e) {
// throw new DigestException("encoding unknow", e);
// }
// }
//
// public static String urlDecode(String data, String encoding) {
// try {
// return URLDecoder.decode(data, encoding);
// } catch (UnsupportedEncodingException e) {
// throw new DigestException("encoding unknow", e);
// }
// }
// @Throws(Exception::class)
// @JvmStatic
// fun main(args: Array) {
//
// val s = "3296ea6b33ea7c126c0f6e3078dcf378kgcloud"
// val s1 = getMD5(s)
// println(s1)
//
//
// }
/**
* 对字符串md5加密(小写+字母)
*
* @param str 传入要加密的字符串
* @return MD5加密后的字符串
*/
fun getMD5(data: String): String {
var cacheKey: String
try {
val mDigest = MessageDigest.getInstance("MD5")
mDigest.update(data.toByteArray())
cacheKey = bytesToHexString(mDigest.digest())
} catch (e: NoSuchAlgorithmException) {
cacheKey = data.hashCode().toString()
}
return cacheKey
}
fun bytesToHexString(bytes: ByteArray): String {
val sb = StringBuilder()
for (aByte in bytes) {
val hex = Integer.toHexString(0xFF and aByte.toInt())
if (hex.length == 1) {
sb.append('0')
}
sb.append(hex)
}
return sb.toString()
}
/**
* 对字符串md5加密(大写+数字)
*
* @param s 传入要加密的字符串
* @return MD5加密后的字符串
*/
fun MD5(s: String): String? {
val hexDigits = charArrayOf('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F')
try {
val btInput = s.toByteArray()
// 获得MD5摘要算法的 MessageDigest 对象
val mdInst = MessageDigest.getInstance("MD5")
// 使用指定的字节更新摘要
mdInst.update(btInput)
// 获得密文
val md = mdInst.digest()
// 把密文转换成十六进制的字符串形式
val j = md.size
val str = CharArray(j * 2)
var k = 0
for (i in 0 until j) {
val byte0 = md[i].toInt()
str[k++] = hexDigits[byte0.ushr(4) and 0xf]
str[k++] = hexDigits[byte0 and 0xf]
}
return String(str)
} catch (e: Exception) {
e.printStackTrace()
return null
}
}
fun randomStr(length:Int = 10): String {
//定义一个字符串（A-Z，a-z，0-9）即62位；
val str = "zxcvbnmlkjhgfdsaqwertyuiopQWERTYUIOPASDFGHJKLZXCVBNM1234567890"
//由Random生成随机数
val random = Random()
val sb = StringBuffer()
//长度为几就循环几次
for (i in 0 until length) {
//产生0-61的数字
val number = random.nextInt(62)
//将产生的数字通过length次承载到sb中
sb.append(str[number])
}
//将承载的字符转换成字符串
return sb.toString()
}
/**
* 获取远程url文件的MD5值
*/
fun getMd5Hex(url: URL): String {
var urlIS: InputStream? = null
var dataInputStream: DataInputStream? = null
try {
val urlIS = url.openStream()
val dataInputStream = DataInputStream(urlIS);
return DigestUtils.md5Hex(dataInputStream);
} catch (e: Exception) {
throw e
} finally {
dataInputStream?.close();
urlIS?.close()
}
}
}
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