123 lines
3.9 KiB
Groovy
123 lines
3.9 KiB
Groovy
/*
|
|
BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
|
|
|
|
Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
|
|
|
|
This program is free software; you can redistribute it and/or modify it under the
|
|
terms of the GNU Lesser General Public License as published by the Free Software
|
|
Foundation; either version 3.0 of the License, or (at your option) any later
|
|
version.
|
|
|
|
BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License along
|
|
with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package org.bigbluebutton
|
|
|
|
import grails.transaction.Transactional
|
|
import java.util.Map
|
|
import javax.crypto.spec.SecretKeySpec
|
|
import javax.crypto.Mac
|
|
import org.apache.commons.codec.binary.Base64
|
|
|
|
@Transactional
|
|
class LtiService {
|
|
|
|
def endPoint = "localhost"
|
|
def consumers = "demo:welcome"
|
|
def mode = "simple"
|
|
|
|
Map<String, String> consumerMap
|
|
|
|
def retrieveBasicLtiEndpoint() {
|
|
return endPoint
|
|
}
|
|
|
|
private Map<String, String> getConsumer(consumerId) {
|
|
Map<String, String> consumer = null
|
|
|
|
if( this.consumerMap.containsKey(consumerId) ){
|
|
consumer = new HashMap<String, String>()
|
|
consumer.put("key", consumerId)
|
|
consumer.put("secret", this.consumerMap.get(consumerId))
|
|
}
|
|
|
|
return consumer
|
|
}
|
|
|
|
private void initConsumerMap(){
|
|
this.consumerMap = new HashMap<String, String>()
|
|
String[] consumers = this.consumers.split(",")
|
|
//for( int i=0; i < consumers.length; i++){
|
|
if ( consumers.length > 0 ){
|
|
int i = 0;
|
|
String[] consumer = consumers[i].split(":")
|
|
if( consumer.length == 2 ){
|
|
this.consumerMap.put(consumer[0], consumer[1])
|
|
}
|
|
}
|
|
}
|
|
|
|
public String sign(String sharedSecret, String data) throws Exception {
|
|
Mac mac = setKey(sharedSecret)
|
|
|
|
// Signed String must be BASE64 encoded.
|
|
byte[] signBytes = mac.doFinal(data.getBytes("UTF8"))
|
|
String signature = encodeBase64(signBytes)
|
|
return signature;
|
|
}
|
|
|
|
private Mac setKey(String sharedSecret) throws Exception {
|
|
Mac mac = Mac.getInstance("HmacSHA1")
|
|
byte[] keyBytes = sharedSecret.getBytes("UTF8")
|
|
SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA1")
|
|
mac.init(signingKey)
|
|
return mac
|
|
}
|
|
|
|
private String encodeBase64(byte[] signBytes) {
|
|
return Base64.encodeBase64URLSafeString(signBytes)
|
|
}
|
|
|
|
def logParameters(Object params) {
|
|
log.debug "----------------------------------"
|
|
for( param in params ) log.debug "${param.getKey()}=${param.getValue()}"
|
|
log.debug "----------------------------------"
|
|
}
|
|
|
|
def boolean isSSLEnabled(String query) {
|
|
def sslEnabled = false
|
|
|
|
try {
|
|
// open connection
|
|
StringBuilder urlStr = new StringBuilder(query)
|
|
URL url = new URL(urlStr.toString())
|
|
HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection()
|
|
httpConnection.setUseCaches(false)
|
|
httpConnection.setDoOutput(true)
|
|
httpConnection.setRequestMethod("GET")
|
|
httpConnection.connect()
|
|
|
|
int responseCode = httpConnection.getResponseCode()
|
|
if (responseCode == HttpURLConnection.HTTP_OK) {
|
|
sslEnabled = true
|
|
} else {
|
|
log.debug("HTTPERROR: Message=" + "BBB server responded with HTTP status code " + responseCode)
|
|
}
|
|
|
|
} catch(IOException e) {
|
|
log.debug("IOException: Message=" + e.getMessage())
|
|
} catch(IllegalArgumentException e) {
|
|
log.debug("IllegalArgumentException: Message=" + e.getMessage())
|
|
} catch(Exception e) {
|
|
log.debug("Exception: Message=" + e.getMessage())
|
|
}
|
|
|
|
return sslEnabled
|
|
}
|
|
|
|
}
|