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| package com.qcloud.cmq;
|
| import java.io.UnsupportedEncodingException;
| import java.security.InvalidKeyException;
| import java.security.NoSuchAlgorithmException;
| import javax.crypto.Mac;
| import javax.crypto.spec.SecretKeySpec;
|
| public class CMQTool {
|
| private static char[] b64c = new char[] { 'A', 'B', 'C', 'D',
| 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q',
| 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
| 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q',
| 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
| '4', '5', '6', '7', '8', '9', '+', '/' };
|
| private static final String CONTENT_CHARSET = "UTF-8";
|
| private static final String HMAC_ALGORITHM = "HmacSHA1";
| private static final String HMAC_SHA256_ALGORITHM = "HmacSHA256";
|
| public static String base64_encode(byte[] data) {
| StringBuffer sb = new StringBuffer();
| int len = data.length;
| int i = 0;
| int b1, b2, b3;
| while (i < len) {
| b1 = data[i++] & 0xff;
| if (i == len) {
| sb.append(b64c[b1 >>> 2]);
| sb.append(b64c[(b1 & 0x3) << 4]);
| sb.append("==");
| break;
| }
| b2 = data[i++] & 0xff;
| if (i == len) {
| sb.append(b64c[b1 >>> 2]);
| sb.append(b64c[((b1 & 0x03) << 4)
| | ((b2 & 0xf0) >>> 4)]);
| sb.append(b64c[(b2 & 0x0f) << 2]);
| sb.append("=");
| break;
| }
| b3 = data[i++] & 0xff;
| sb.append(b64c[b1 >>> 2]);
| sb.append(b64c[((b1 & 0x03) << 4)
| | ((b2 & 0xf0) >>> 4)]);
| sb.append(b64c[((b2 & 0x0f) << 2)
| | ((b3 & 0xc0) >>> 6)]);
| sb.append(b64c[b3 & 0x3f]);
| }
| return sb.toString();
| }
|
| public static String sign(String src, String key,String method)
| throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException
| {
| Mac mac ;
| if( method == "sha1")
| {
| mac = Mac.getInstance(HMAC_ALGORITHM);
| }
| else
| {
| mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
| }
| SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(CONTENT_CHARSET), mac.getAlgorithm());
| mac.init(secretKey);
| byte[] digest = mac.doFinal(src.getBytes(CONTENT_CHARSET));
| return new String(base64_encode(digest));
| }
|
| }
|
|
