83 lines
2.3 KiB
Java
83 lines
2.3 KiB
Java
package com.maibu.utils;
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import lombok.NoArgsConstructor;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.UnsupportedEncodingException;
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@NoArgsConstructor
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public class Md5Utils {
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private static final String MD5 = "MD5";
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private static final String DEFAULT_ENCODING = "UTF-8";
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public static String md5(String input) {
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return md5((String) input, 1);
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}
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public static String md5(String input, int iterations) {
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try {
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return EncodeUtils.encodeHex(DigestUtils.digest(input.getBytes("UTF-8"), "MD5", (byte[]) null, iterations));
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} catch (UnsupportedEncodingException var3) {
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return "";
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}
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}
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public static byte[] md5(byte[] input) {
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return md5((byte[]) input, 1);
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}
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public static byte[] md5(byte[] input, int iterations) {
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return DigestUtils.digest(input, "MD5", (byte[]) null, iterations);
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}
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public static byte[] md5(InputStream input) throws IOException {
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return DigestUtils.digest(input, "MD5");
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}
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public static boolean isMd5(String str) {
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int cnt = 0;
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for (int i = 0; i < str.length(); ++i) {
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switch (str.charAt(i)) {
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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case 'a':
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case 'b':
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case 'c':
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case 'd':
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case 'e':
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case 'f':
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case 'A':
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case 'B':
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case 'C':
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case 'D':
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case 'E':
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case 'F':
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++cnt;
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if (32 <= cnt) return true;
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break;
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case '/':
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if ((i + 10) < str.length()) {// "/storage/"
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char ch1 = str.charAt(i + 1);
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char ch2 = str.charAt(i + 8);
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if ('/' == ch2 && ('s' == ch1 || 'S' == ch1)) return true;
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}
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default:
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cnt = 0;
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break;
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}
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}
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return false;
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}
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}
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