io.agora.signal.SignalingToken Maven / Gradle / Ivy
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package io.agora.signal;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Date;
public class SignalingToken {
public static String getToken(String appId, String certificate, String account, int expiredTsInSeconds) throws NoSuchAlgorithmException {
StringBuilder digest_String = new StringBuilder().append(account).append(appId).append(certificate).append(expiredTsInSeconds);
MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(digest_String.toString().getBytes());
byte[] output = md5.digest();
String token = hexlify(output);
String token_String = new StringBuilder().append("1").append(":").append(appId).append(":").append(expiredTsInSeconds).append(":").append(token).toString();
return token_String;
}
public static String hexlify(byte[] data) {
char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
char[] toDigits = DIGITS_LOWER;
int l = data.length;
char[] out = new char[l << 1];
// two characters form the hex value.
for (int i = 0, j = 0; i < l; i++) {
out[j++] = toDigits[(0xF0 & data[i]) >>> 4];
out[j++] = toDigits[0x0F & data[i]];
}
return String.valueOf(out);
}
}