Authenticator.java

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package org.openslx.imagemaster.session;

import java.sql.SQLException;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.openslx.bwlp.thrift.iface.AuthorizationError;
import org.openslx.bwlp.thrift.iface.InvocationError;
import org.openslx.bwlp.thrift.iface.TAuthorizationException;
import org.openslx.bwlp.thrift.iface.TInvocationException;
import org.openslx.bwlp.thrift.iface.UserInfo;
import org.openslx.imagemaster.db.mappers.DbUser;
import org.openslx.imagemaster.db.models.LocalUser;

public class Authenticator
{

   private static Logger log = LogManager.getLogger( Authenticator.class );

   public static UserInfo authenticate( String username, String password ) throws TAuthorizationException, TInvocationException
   {
      String login = username;

      log.info( "Logging in with: " + login );

      LocalUser user;
      try {
         user = DbUser.forUserId( login, password );
      } catch ( SQLException e ) {
         throw new TInvocationException( InvocationError.INTERNAL_SERVER_ERROR, "Could not connect to database" );
      } // throws exception if credentials are invalid
      if ( user == null ) {
         log.debug( "Login failed: " + username );
         throw new TAuthorizationException( AuthorizationError.INVALID_CREDENTIALS, "Invalid Username or password" );
      }
      log.debug( "Login succesful: " + username );

      return user.toUserInfo();
   }
   //
}