Remove dependency on Joda-Time from the user source profile example.

Author: jvanhill

user-source-profile/pom.xml

@@ -15,7 +15,7 @@
     </modules>
 
     <properties>
-        <ignition-platform-version>8.3.0-rc1</ignition-platform-version>
+        <ignition-platform-version>8.3.0</ignition-platform-version>
         <ignition-sdk-version>${ignition-platform-version}</ignition-sdk-version>
         <module-name>MongoDB User Source Example</module-name>
         <module-description>Adds an example user source backed by MongoDB to Ignition.</module-description>

user-source-profile/user-source-gateway/src/main/java/com/inductiveautomation/ignition/examples/usersource/mongodb/MongoDbUserSource.java

@@ -27,12 +27,11 @@
 import org.apache.log4j.Level;
 import org.bson.Document;
 import org.bson.conversions.Bson;
-import org.joda.time.DateTime;
-import org.joda.time.Days;
 
 import javax.annotation.Nonnull;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 /**
@@ -264,13 +263,9 @@ private boolean isPasswordInvalid(Document document, String pwd, boolean bypassE
         // Password is valid, now check if the password is expired
         if (settings.passwordMaxAge() > 0 && !bypassExpiration) {
             long pwdTimestamp = document.getLong(KEY_PASSWORD_DATE);
-            if (pwdTimestamp > 0) {
-                DateTime passwordCreatedOn = new DateTime(pwdTimestamp);
-                DateTime now = DateTime.now();
-                int days = Days.daysBetween(passwordCreatedOn.toLocalDate(), now.toLocalDate()).getDays();
-                if (days > settings.passwordMaxAge()) {
-                    throw new PasswordExpiredException(getName(), uname);
-                }
+            long pwdExpiration = pwdTimestamp + TimeUnit.DAYS.toMillis(settings.passwordMaxAge());
+            if (pwdTimestamp > 0 && System.currentTimeMillis() >= pwdExpiration) {
+                throw new PasswordExpiredException(getName(), uname);
             }
         }