/*
 * Copyright 2020-2030 码匠君<herodotus@aliyun.com>
 *
 * Dante Engine licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Dante Engine 是 Dante Cloud 系统核心组件库，采用 APACHE LICENSE 2.0 开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1. 请不要删除和修改根目录下的LICENSE文件。
 * 2. 请不要删除和修改 Dante Engine 源码头部的版权声明。
 * 3. 请保留源码和相关描述文件的项目出处，作者声明等。
 * 4. 分发源码时候，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 5. 在修改包名，模块名称，项目代码等时，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 6. 若您的项目无法满足以上几点，可申请商业授权
 */

package org.dromara.dante.oauth2.authentication.configurer;

import org.dromara.dante.oauth2.authentication.provider.OAuth2FormLoginAuthenticationProvider;
import org.dromara.dante.oauth2.authentication.response.OAuth2FormLoginAuthenticationFailureHandler;
import org.dromara.dante.oauth2.commons.properties.OAuth2AuthenticationProperties;
import org.dromara.dante.security.definition.CaptchaProcessor;
import org.dromara.dante.web.support.crypto.DigitalEnvelopeProcessor;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.web.HttpSecurityBuilder;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.web.authentication.RememberMeServices;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.context.SecurityContextRepository;

/**
 * <p>Description: OAuth2 Form Login Configurer </p>
 * <p>
 * 使用此种方式，相当于额外增加了一种表单登录方式。因此对原有的 http.formlogin进行的配置，对当前此种方式的配置并不生效。
 *
 * @author : gengwei.zheng
 * @date : 2022/4/12 13:29
 * @see org.springframework.security.config.annotation.web.configurers.AbstractAuthenticationFilterConfigurer
 */
public class OAuth2FormLoginSecureConfigurer<H extends HttpSecurityBuilder<H>> extends AbstractHttpConfigurer<OAuth2FormLoginSecureConfigurer<H>, H> {

    private final UserDetailsService userDetailsService;
    private final RememberMeServices rememberMeServices;
    private final OAuth2AuthenticationProperties authenticationProperties;
    private final CaptchaProcessor captchaProcessor;
    private final DigitalEnvelopeProcessor digitalEnvelopeProcessor;

    public OAuth2FormLoginSecureConfigurer(UserDetailsService userDetailsService, RememberMeServices rememberMeServices, OAuth2AuthenticationProperties authenticationProperties, CaptchaProcessor captchaProcessor, DigitalEnvelopeProcessor digitalEnvelopeProcessor) {
        this.userDetailsService = userDetailsService;
        this.rememberMeServices = rememberMeServices;
        this.authenticationProperties = authenticationProperties;
        this.captchaProcessor = captchaProcessor;
        this.digitalEnvelopeProcessor = digitalEnvelopeProcessor;
    }

    @Override
    public void configure(H httpSecurity) {

        AuthenticationManager authenticationManager = httpSecurity.getSharedObject(AuthenticationManager.class);
        SecurityContextRepository securityContextRepository = httpSecurity.getSharedObject(SecurityContextRepository.class);

        OAuth2FormLoginAuthenticationFilter filter = getOAuth2FormLoginAuthenticationFilter(authenticationManager, this.digitalEnvelopeProcessor, securityContextRepository);
        filter.setRememberMeServices(rememberMeServices);

        OAuth2FormLoginAuthenticationProvider provider = new OAuth2FormLoginAuthenticationProvider(captchaProcessor, userDetailsService);
        provider.setHideUserNotFoundExceptions(false);

        httpSecurity
                .authenticationProvider(provider)
                .addFilterBefore(filter, UsernamePasswordAuthenticationFilter.class);
    }

    private OAuth2FormLoginAuthenticationFilter getOAuth2FormLoginAuthenticationFilter(AuthenticationManager authenticationManager, DigitalEnvelopeProcessor digitalEnvelopeProcessor, SecurityContextRepository securityContextRepository) {
        OAuth2FormLoginAuthenticationFilter filter = new OAuth2FormLoginAuthenticationFilter(authenticationManager, digitalEnvelopeProcessor);
        filter.setUsernameParameter(getFormLogin().getUsernameParameter());
        filter.setPasswordParameter(getFormLogin().getPasswordParameter());
        filter.setAuthenticationDetailsSource(new OAuth2FormLoginWebAuthenticationDetailSource(authenticationProperties, digitalEnvelopeProcessor));
        filter.setAuthenticationFailureHandler(new OAuth2FormLoginAuthenticationFailureHandler(getFormLogin().getFailureUrl()));
        filter.setSecurityContextRepository(securityContextRepository);
        return filter;
    }

    private OAuth2AuthenticationProperties.FormLogin getFormLogin() {
        return authenticationProperties.getFormLogin();
    }
}
