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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.plum.base;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import javax.security.enterprise.credential.Credential;

import com.appslandia.common.base.Out;
import com.appslandia.common.utils.CollectionUtils;

/**
 *
 * @author Loc Ha
 *
 */
@ApplicationScoped
public class MemUserPasswordIdentityStore extends IdentityStoreBase {

	@Inject
	protected MemUserDatabase memUserDatabase;

	@Override
	public Class getCredentialType() {
		return MemUserPasswordCredential.class;
	}

	@Override
	protected PrincipalGroups doValidate(Credential credential, Out invalidCode) {
		MemUserPasswordCredential usernamePasswordCredential = (MemUserPasswordCredential) credential;

		MemUser user = this.memUserDatabase.getUser(usernamePasswordCredential.getCaller());
		if (user == null) {
			invalidCode.value = CredentialInvalidResult.CREDENTIAL_INVALID.getInvalidCode();
			return null;
		}
		// Password
		if (!this.memUserDatabase.verifyPassword(usernamePasswordCredential.getPasswordAsString(), user.getPassword())) {
			invalidCode.value = CredentialInvalidResult.CREDENTIAL_INVALID.getInvalidCode();
			return null;
		}
		return new PrincipalGroups(new MemPrincipal(user), CollectionUtils.toSet(user.getRoles()));
	}
}