ApsaraVideo Live:トークンベースの認証

/**
 * Generate a token by using the appid, appkey, channelId, userId, nonce, and timestamp parameters.
 *
 * @param appid     The application ID. You can view the ID on the details page of your application in the ApsaraVideo Live console. 
 * @param appkey    The AppKey. You can view the key on the details page of your application in the ApsaraVideo Live console. 
 * @param channelId The channel ID.
 * @param userId    The user ID.
 * @return token
 */
public static String createBase64Token(String appid, String appkey, String channelId, String userId) {
    /* Set the timestamp to no greater than 24 hours from the current time. */
    long timestamp = Calendar.getInstance().add(Calendar.HOUR_OF_DAY, 24).getTimeInMillis() / 1000;
    String stringBuilder = appid +
            appkey +
            channelId +
            userId +
            timestamp;
    String token = getSHA256(stringBuilder);
    JSONObject tokenJson = new JSONObject();
    tokenJson.put("appid", appid);
    tokenJson.put("channelid", channelId);
    tokenJson.put("userid", userId);
    tokenJson.put("nonce", "");
    tokenJson.put("timestamp", timestamp);
    tokenJson.put("gslb",new String[]{"https://gw.rtn.aliyuncs.com"});
    tokenJson.put("token", token);
    String base64Token = Base64.encodeToString(JSON.toJSONBytes(tokenJson),Base64.NO_WRAP);
	return base64Token;
}

/**
 * Obtain a signature.
 *
 * @param str The Base64-encoded string.
 * @return The signature that is returned.
 */
public static String getSHA256(String str) {
    MessageDigest messageDigest;
    String encodestr = "";
    try {
        messageDigest = MessageDigest.getInstance("SHA-256");
        messageDigest.update(str.getBytes("UTF-8"));
        encodestr = byte2Hex(messageDigest.digest());
    } catch (NoSuchAlgorithmException | UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return encodestr;
}

private static String byte2Hex(byte[] bytes) {
    StringBuilder stringBuffer = new StringBuilder();
    String temp = null;
    for (byte aByte : bytes) {
        temp = Integer.toHexString(aByte & 0xFF);
        if (temp.length() == 1) {
            stringBuffer.append("0");
        }
        stringBuffer.append(temp);
    }
    return stringBuffer.toString();
}

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import hashlib
import datetime
import time
import base64
import json

def create_token(app_id, app_key, channel_id, user_id, timestamp):
    h = hashlib.sha256()
    h.update(str(app_id))
    h.update(str(app_key))
    h.update(str(channel_id))
    h.update(str(user_id))
    h.update(str(timestamp))
    token = h.hexdigest()
    return token

def main():
    app_id = 'xxxxxx'
    app_key = 'xxxxxxxx'
    channel_id = 'abcChannel'
    user_id = 'abcUser1'
    expire = datetime.datetime.now() + datetime.timedelta(days=1)
    timestamp = int(time.mktime(expire.timetuple()))
    # timestamp = 1699423634
    token = create_token(app_id, app_key, channel_id, user_id, timestamp)
    print(token)
    jsonToken = {'appid':app_id,
                 'channelid':channel_id,
                 'userid':user_id,
                 'nonce':'',
                 'timestamp':timestamp,
                 'gslb':['https://gw.rtn.aliyuncs.com'],
                 'token':token
                }
    # String base64Token = Base64.encodeToString(JSON.toJSONBytes(tokenJson),Base64.NO_WRAP);
    print(json.dumps(jsonToken))
    base64Token = base64.b64encode(json.dumps(jsonToken).encode())
    print(base64Token)

if __name__ == '__main__':
    main()

/**
 * Generate a token based on the appid, appkey, channelId, userId, nonce, and timestamp parameters.
 *
 * @param appid     The application ID. You can view the ID on the details page of your application in the ApsaraVideo Live console. 
 * @param appkey    The AppKey. You can view the key on the details page of your application in the ApsaraVideo Live console. 
 * @param channelId The channel ID.
 * @param userId    The user ID.
 * @param timestamp The expiration timestamp.
 * @return token
 */
public static String createToken(String appid, String appkey, String channelId, String userId) {
    /* Set the timestamp to no greater than 24 hours from the current time. */
    long timestamp = Calendar.getInstance().add(Calendar.HOUR_OF_DAY, 24).getTimeInMillis() / 1000;
    String stringBuilder = appid +
            appkey +
            channelId +
            userId +
            timestamp;
    return getSHA256(stringBuilder);
}

/**
 * Obtain a signature.
 *
 * @param str The Base64-encoded string.
 * @return The signature that is returned.
 */
public static String getSHA256(String str) {
    MessageDigest messageDigest;
    String encodestr = "";
    try {
        messageDigest = MessageDigest.getInstance("SHA-256");
        messageDigest.update(str.getBytes("UTF-8"));
        encodestr = byte2Hex(messageDigest.digest());
    } catch (NoSuchAlgorithmException | UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return encodestr;
}

private static String byte2Hex(byte[] bytes) {
    StringBuilder stringBuffer = new StringBuilder();
    String temp = null;
    for (byte aByte : bytes) {
        temp = Integer.toHexString(aByte & 0xFF);
        if (temp.length() == 1) {
            stringBuffer.append("0");
        }
        stringBuffer.append(temp);
    }
    return stringBuffer.toString();
}

// The values of appId, channelId, userId, nonce, timestamp, and token must be the same as the values on the server side.
// username is an identifier used for troubleshooting purposes.
AliRtcAuthInfo userInfo = new AliRtcAuthInfo();
userInfo.setAppId("xxx");
userInfo.setChannelId("xxx");
userInfo.setUserId("xxx");
userInfo.setNonce("xxx");
userInfo.setTimestamp(xxx);
userInfo.setGslb(new String[]{"https://gw.rtn.aliyuncs.com"});
userInfo.setToken("xxx");
mAliRtcEngine.joinChannel(userInfo, "username");

Show Objective-C sample code for iOS
// The values of appId, channelId, userId, nonce, timestamp, and token must be the same as the values on the server side.
// username is an identifier used for troubleshooting purposes.
AliRtcAuthInfo *authInfo = [[AliRtcAuthInfo alloc] init];
NSMutableArray *gslb = [[NSMutableArray alloc] init];
[gslb addObject:@"https://gw.rtn.aliyuncs.com"];
authInfo.appId = @"xxx";
authInfo.channelId   = @"xxx";
authInfo.userId   = @"xxx";
authInfo.nonce = @"";
authInfo.timestamp = xxxxx;
authInfo.gslb = gslb;
authInfo.token = @"";
[self.engine joinChannel:authInfo name:@"username" onResultWithUserId:nil];