Close #179

Author: Open Lowcode SAS

src/org/openlowcode/server/runtime/ServerConnection.java

@@ -834,6 +834,7 @@ public void setLoginWithContextAction(ActionExecution action, SActionData action
 			StringWriter stringwriter = new StringWriter();
 			MessageBufferedWriter embeddedactionwriter = new MessageBufferedWriter(
 					new BufferedWriter(stringwriter, 100000), false);
+			embeddedactionwriter.setAESCommunicator(OLcServer.getServer().getAESCommunicator());
 			embeddedactionwriter.startNewMessage();
 			embeddedactionwriter.startStructure("CONTEXT");
 			embeddedactionwriter.addStringField("NAME", actionname);

src/org/openlowcode/tools/enc/AESCommunicator.java

@@ -64,6 +64,7 @@ public AESCommunicator(SecretKey secretkey) throws Exception {
 	 */
 	public byte[] zipandencrypt(String message) throws Exception {
 		try {
+			if (message==null) return null;
 			byte[] messagebinary = message.getBytes("UTF-8");
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			deflater.setInput(messagebinary);
@@ -91,6 +92,7 @@ public byte[] zipandencrypt(String message) throws Exception {
 	 */
 	public String decryptandunzip(byte[] encryptedmessage) throws Exception {
 		try {
+			if (encryptedmessage==null) return null;
 			byte[] decryptedzipcontent = decryptaescipher.doFinal(encryptedmessage);
 			inflater.setInput(decryptedzipcontent);
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();