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Module for Spring Security which enables application to use Superfly authentication/authorization declaratively through Spring Security

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package com.payneteasy.superfly.security;

import java.util.Collections;
import java.util.Map;

import org.springframework.beans.factory.annotation.Required;
import org.springframework.security.authentication.AuthenticationServiceException;
import org.springframework.security.authentication.BadCredentialsException;

import com.payneteasy.superfly.api.SSOAction;
import com.payneteasy.superfly.api.SSORole;
import com.payneteasy.superfly.api.SSOUser;
import com.payneteasy.superfly.security.authentication.SSOUserAndSelectedRoleAuthenticationToken;
import com.payneteasy.superfly.security.authentication.SSOUserTransportAuthenticationToken;
import com.payneteasy.superfly.security.authentication.UsernamePasswordAuthRequestInfoAuthenticationToken;
import com.payneteasy.superfly.security.mapbuilder.ActionsMapBuilder;

/**
 * Authentication provider which does not use Superfly server at all. It may
 * be useful for fast development.
 * 
 * @author Roman Puchkovskiy
 */
public class SuperflyMockAuthenticationProvider extends AbstractSuperflyAuthenticationProvider {
	
	private String username;
	private String password;
	private ActionsMapBuilder actionsMapBuilder;
	
	private Map cachedActionsMap;

	@Required
	public void setUsername(String username) {
		this.username = username;
	}

	@Required
	public void setPassword(String password) {
		this.password = password;
	}

	@Required
	public void setActionsMapBuilder(ActionsMapBuilder actionsMapBuilder) {
		this.actionsMapBuilder = actionsMapBuilder;
	}

	@Override
	protected SSOUser doAuthenticate(
			UsernamePasswordAuthRequestInfoAuthenticationToken authRequest,
			String username, String password) {
		boolean ok = this.username.equals(username) && this.password.equals(password);
		
		if (!ok) {
			throw new BadCredentialsException("Bad password");
		}

		SSOUser ssoUser;
		try {
			ssoUser = new SSOUser(username, buildActionsMap(username), buildPreferences());
		} catch (Exception e) {
			throw new AuthenticationServiceException("Cannot collect action descriptions", e);
		}
		return ssoUser;
	}

	protected Map buildActionsMap(String username) throws Exception {
		if (cachedActionsMap == null) {
			cachedActionsMap = actionsMapBuilder.build();
		}
		return cachedActionsMap;
	}
	
	protected Map buildPreferences() {
		return Collections.emptyMap();
	}

	@SuppressWarnings("rawtypes")
	public boolean supports(Class authentication) {
		return UsernamePasswordAuthRequestInfoAuthenticationToken.class.isAssignableFrom(authentication)
				|| SSOUserTransportAuthenticationToken.class.isAssignableFrom(authentication)
				|| SSOUserAndSelectedRoleAuthenticationToken.class.isAssignableFrom(authentication);
	}

}