Fix Helpers.IsOnRightMachine

Author: artemlos

pom.xml

@@ -4,7 +4,7 @@
   <groupId>io.cryptolens</groupId>
   <artifactId>cryptolens</artifactId>
   <packaging>jar</packaging>
-  <version>1.8-STABLE</version>
+  <version>1.9-STABLE</version>
   <name>cryptolens</name>
   <description>A client api to access Cryptolens Licensing API.</description>
   <url>https://github.com/cryptolens/cryptolens-java</url>

src/main/java/io/cryptolens/methods/Helpers.java

@@ -119,10 +119,11 @@ public static boolean IsOnRightMachine(LicenseKey license, String machineCode, b
         }
 
         if(isFloatingLicense) {
-            if(license.ActivatedMachines.size() == 1 &&
-                    (license.ActivatedMachines.get(0).Mid.substring(9).equals(current_mid) ||
-                            allowOverdraft && license.ActivatedMachines.get(0).Mid.substring(19).equals(current_mid))) {
-                return true;
+            for (ActivatedMachine machine : license.ActivatedMachines) {
+                if((machine.Mid.length() >= 9 && machine.Mid.substring(9).equals(current_mid) ||
+                        allowOverdraft && machine.Mid.length() >= 19 && machine.Mid.substring(19).equals(current_mid))) {
+                    return true;
+                }
             }
         } else {