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Shared services for the lms-canvas LTI tools to interact with custom IU things
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package edu.iu.uits.lms.iuonly.config;

/*-
 * #%L
 * lms-canvas-iu-custom-services
 * %%
 * Copyright (C) 2015 - 2022 Indiana University
 * %%
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the Indiana University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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import edu.iu.uits.lms.common.it12logging.RestSecurityLoggingConfig;
import edu.iu.uits.lms.common.oauth.CustomJwtAuthenticationConverter;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;

import static edu.iu.uits.lms.iuonly.IuCustomConstants.IUCUSTOMREST_PROFILE;
import static edu.iu.uits.lms.iuonly.IuCustomConstants.READ_SCOPE;
import static edu.iu.uits.lms.iuonly.IuCustomConstants.WRITE_SCOPE;

@EnableWebSecurity
public class IuCustomRestConfiguration {
    @Configuration
    @Order(SecurityProperties.BASIC_AUTH_ORDER - 4996)
    public static class IuRestWebSecurityConfigurerAdapter extends WebSecurityConfigurerAdapter {
        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http.requestMatchers().antMatchers("/rest/iu/**")
                    .and()
                    .authorizeRequests()
                    .antMatchers("/rest/iu/file/**").permitAll()
                    .antMatchers("/rest/iu/**")
                    .access("hasAuthority('" + READ_SCOPE + "') or hasAuthority('" + WRITE_SCOPE + "')")
                    .and()
                    .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                    .and()
                    .oauth2ResourceServer()
                    .jwt().jwtAuthenticationConverter(new CustomJwtAuthenticationConverter());
            http.apply(new RestSecurityLoggingConfig());
        }
    }

    @Profile(IUCUSTOMREST_PROFILE + " & swagger")
    @Configuration
    @Order(SecurityProperties.BASIC_AUTH_ORDER - 4995)
    public static class IuApiWebSecurityConfigurerAdapter extends WebSecurityConfigurerAdapter {
        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http.requestMatchers().antMatchers("/api/iu/**")
                  .and()
                  .authorizeRequests()
                  .antMatchers("/api/iu/**").permitAll();
        }
    }
}