com.hp.autonomy.frontend.configuration.authentication.DefaultLoginAuthenticationProvider.java Source code

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Here is the source code for com.hp.autonomy.frontend.configuration.authentication.DefaultLoginAuthenticationProvider.java

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/*
 * Copyright 2014-2015 Hewlett-Packard Development Company, L.P.
 * Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License.
 */
package com.hp.autonomy.frontend.configuration.authentication;

import com.hp.autonomy.frontend.configuration.ConfigService;
import com.hp.autonomy.frontend.configuration.LoginTypes;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.authority.SimpleGrantedAuthority;

import java.util.Arrays;

public class DefaultLoginAuthenticationProvider implements AuthenticationProvider {

    private final String roleDefault;

    private final ConfigService<? extends AuthenticationConfig<?>> configService;

    public DefaultLoginAuthenticationProvider(final ConfigService<? extends AuthenticationConfig<?>> configService,
            final String roleDefault) {
        this.roleDefault = roleDefault;
        this.configService = configService;
    }

    @Override
    public Authentication authenticate(final Authentication authentication) throws AuthenticationException {
        final com.hp.autonomy.frontend.configuration.authentication.Authentication<?> authenticationConfig = configService
                .getConfig().getAuthentication();

        if (!LoginTypes.DEFAULT.equalsIgnoreCase(authenticationConfig.getMethod())) {
            return null;
        }

        final UsernameAndPassword defaultLogin = authenticationConfig.getDefaultLogin();

        final String username = authentication.getName();
        final String password = authentication.getCredentials().toString();

        if (defaultLogin.getUsername().equals(username) && defaultLogin.getPassword().equals(password)) {
            return new UsernamePasswordAuthenticationToken(username, password,
                    Arrays.asList(new SimpleGrantedAuthority(roleDefault)));
        } else {
            throw new BadCredentialsException("Access is denied");
        }
    }

    @Override
    public boolean supports(final Class<?> authentication) {
        return UsernamePasswordAuthenticationToken.class == authentication;
    }
}