org.springframework.security.web.server.authorization.DelegatingReactiveAuthorizationManager Maven / Gradle / Ivy
/*
* Copyright 2002-2020 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.security.web.server.authorization;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.core.log.LogMessage;
import org.springframework.security.authorization.AuthorizationDecision;
import org.springframework.security.authorization.ReactiveAuthorizationManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.server.util.matcher.ServerWebExchangeMatcher.MatchResult;
import org.springframework.security.web.server.util.matcher.ServerWebExchangeMatcherEntry;
import org.springframework.web.server.ServerWebExchange;
/**
* @author Rob Winch
* @author Mathieu Ouellet
* @since 5.0
*/
public final class DelegatingReactiveAuthorizationManager implements ReactiveAuthorizationManager {
private static final Log logger = LogFactory.getLog(DelegatingReactiveAuthorizationManager.class);
private final List>> mappings;
private DelegatingReactiveAuthorizationManager(
List>> mappings) {
this.mappings = mappings;
}
@Override
public Mono check(Mono authentication, ServerWebExchange exchange) {
return Flux.fromIterable(this.mappings)
.concatMap((mapping) -> mapping.getMatcher()
.matches(exchange)
.filter(MatchResult::isMatch)
.map(MatchResult::getVariables)
.flatMap((variables) -> {
logger.debug(LogMessage.of(() -> "Checking authorization on '"
+ exchange.getRequest().getPath().pathWithinApplication() + "' using "
+ mapping.getEntry()));
return mapping.getEntry().check(authentication, new AuthorizationContext(exchange, variables));
}))
.next()
.defaultIfEmpty(new AuthorizationDecision(false));
}
public static DelegatingReactiveAuthorizationManager.Builder builder() {
return new DelegatingReactiveAuthorizationManager.Builder();
}
public static final class Builder {
private final List>> mappings = new ArrayList<>();
private Builder() {
}
public DelegatingReactiveAuthorizationManager.Builder add(
ServerWebExchangeMatcherEntry> entry) {
this.mappings.add(entry);
return this;
}
public DelegatingReactiveAuthorizationManager build() {
return new DelegatingReactiveAuthorizationManager(this.mappings);
}
}
}