Difference between revisions of "Stardust/Knowledge Base/Security/Authentication/Property File Based User Login Provider"

package com.sungard.user.repo;
 
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
 
import org.eclipse.stardust.engine.core.spi.security.ExternalLoginResult;
 
public class PropertiesFileBasedExternalUserRepository implements
		ExternalUserRepository, ExternalLoginProvider {
 
	static Properties users;
	static {
		users = new Properties();
		String propFileName = "users.properties";
		InputStream inputStream = PropertiesFileBasedExternalUserRepository.class
				.getClassLoader().getResourceAsStream(propFileName);
		try {
			if (inputStream == null) {
				throw new FileNotFoundException("property file '"
						+ propFileName + "' not found in the classpath");
			}
			users.load(inputStream);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
 
	public boolean authenticateUser(String user, String pwd)
			throws RuntimeException {
		if (users.getProperty(user) != null && user.equals(pwd)) {
			// In our case, password must be same as user id
			return true;
		}
		return false;
	}
 
	public User getUser(String user) throws RuntimeException {
		if (users.getProperty(user) != null) {
			User theUser = new User();
			theUser.setAccount(user);
			theUser.setName(user);
 
			//set the user grants			
			String roles = users.getProperty(user);
			Map<String, List<String>> userRoles = new HashMap<String, List<String>>();
			StringTokenizer stringTokenizer = new StringTokenizer(roles, ",");
			while (stringTokenizer.hasMoreTokens()){
				userRoles.put(stringTokenizer.nextToken(), null);
			}
 
			theUser.setAuths(userRoles);
			return theUser;
		} else
			return null;
	}
 
	public ExternalLoginResult login(String id, String password, Map properties) {
		boolean authenticateUser = authenticateUser(id, password);
		if (authenticateUser) {
			return ExternalLoginResult.testifySuccess();
		} else {
			return ExternalLoginResult.testifyFailure(null);
		}
 
	}
 
}