/*
 * (C) Copyright 2017-2020 OpenVidu (https://openvidu.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package io.openvidu.server.core;

import org.apache.commons.lang3.RandomStringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import io.openvidu.java.client.ConnectionProperties;
import io.openvidu.java.client.ConnectionType;
import io.openvidu.java.client.KurentoOptions;
import io.openvidu.java.client.OpenViduRole;
import io.openvidu.server.OpenViduServer;
import io.openvidu.server.config.OpenviduBuildInfo;
import io.openvidu.server.config.OpenviduConfig;
import io.openvidu.server.coturn.CoturnCredentialsService;
import io.openvidu.server.coturn.TurnCredentials;

public class TokenGenerator {

	@Autowired
	private CoturnCredentialsService coturnCredentialsService;

	@Autowired
	protected OpenviduConfig openviduConfig;

	@Autowired
	protected OpenviduBuildInfo openviduBuildConfig;

	public Token generateToken(String sessionId, String serverMetadata, boolean record, OpenViduRole role,
			KurentoOptions kurentoOptions) throws Exception {
		String token = OpenViduServer.wsUrl;
		token += "?sessionId=" + sessionId;
		token += "&token=" + IdentifierPrefixes.TOKEN_ID + RandomStringUtils.randomAlphabetic(1).toUpperCase()
				+ RandomStringUtils.randomAlphanumeric(15);
		TurnCredentials turnCredentials = null;
		if (this.openviduConfig.isTurnadminAvailable()) {
			turnCredentials = coturnCredentialsService.createUser();
		}
		ConnectionProperties connectionProperties = new ConnectionProperties.Builder().type(ConnectionType.WEBRTC)
				.data(serverMetadata).record(record).role(role).kurentoOptions(kurentoOptions).build();
		return new Token(token, sessionId, connectionProperties, turnCredentials);
	}
}

@@ -1821,16 +1821,145 @@
 ic(15);%0A
+%0A%09%09// REMOVE AFTER RELEASE 2.16.0%0A%09%09token = compatibilityWithOpenViduBrowser2150(token, role);%0A%09%09// REMOVE AFTER RELEASE 2.16.0%0A%0A
 %09%09TurnCr
@@ -2388,11 +2388,711 @@
 als);%0A%09%7D
+%0A%0A%09// REMOVE AFTER RELEASE 2.16.0%0A%09private String compatibilityWithOpenViduBrowser2150(String token, OpenViduRole role) %7B%0A%09%09token += %22&role=%22 + role.name();%0A%09%09token += %22&version=%22 + openviduBuildConfig.getOpenViduServerVersion();%0A%09%09TurnCredentials turnCredentials = null;%0A%09%09if (this.openviduConfig.isTurnadminAvailable()) %7B%0A%09%09%09try %7B%0A%09%09%09%09turnCredentials = coturnCredentialsService.createUser();%0A%09%09%09%7D catch (Exception e) %7B%0A%09%09%09%09e.printStackTrace();%0A%09%09%09%7D%0A%09%09%09if (turnCredentials != null) %7B%0A%09%09%09%09token += %22&coturnIp=%22 + openviduConfig.getCoturnIp();%0A%09%09%09%09token += %22&turnUsername=%22 + turnCredentials.getUsername();%0A%09%09%09%09token += %22&turnCredential=%22 + turnCredentials.getCredential();%0A%09%09%09%7D%0A%09%09%7D%0A%09%09return token;%0A%09%7D
 %0A%7D%0A

support openvidu-browser 2.15.0