org.springframework.security.web.server.util.matcher.PathPatternParserServerWebExchangeMatcher Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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
*
* 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.
*/
package org.springframework.security.web.server.util.matcher;
import org.springframework.http.HttpMethod;
import org.springframework.http.server.PathContainer;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.util.pattern.PathPattern;
import org.springframework.web.util.pattern.PathPatternParser;
import reactor.core.publisher.Mono;
import java.util.HashMap;
import java.util.Map;
/**
* Matches if the {@link PathPattern} matches the path within the application.
* @author Rob Winch
* @since 5.0
*/
public final class PathPatternParserServerWebExchangeMatcher implements ServerWebExchangeMatcher {
private static final PathPatternParser DEFAULT_PATTERN_PARSER = new PathPatternParser();
private final PathPattern pattern;
private final HttpMethod method;
public PathPatternParserServerWebExchangeMatcher(PathPattern pattern) {
this(pattern, null);
}
public PathPatternParserServerWebExchangeMatcher(PathPattern pattern, HttpMethod method) {
Assert.notNull(pattern, "pattern cannot be null");
this.pattern = pattern;
this.method = method;
}
public PathPatternParserServerWebExchangeMatcher(String pattern, HttpMethod method) {
Assert.notNull(pattern, "pattern cannot be null");
this.pattern = DEFAULT_PATTERN_PARSER.parse(pattern);
this.method = method;
}
public PathPatternParserServerWebExchangeMatcher(String pattern) {
this(pattern, null);
}
@Override
public Mono matches(ServerWebExchange exchange) {
ServerHttpRequest request = exchange.getRequest();
if (this.method != null && !this.method.equals(request.getMethod())) {
return MatchResult.notMatch();
}
PathContainer path = request.getPath().pathWithinApplication();
boolean match = this.pattern.matches(path);
if (!match) {
return MatchResult.notMatch();
}
Map pathVariables = this.pattern.matchAndExtract(path).getUriVariables();
Map variables = new HashMap<>(pathVariables);
return MatchResult.match(variables);
}
@Override
public String toString() {
return "PathMatcherServerWebExchangeMatcher{" +
"pattern='" + pattern + '\'' +
", method=" + method +
'}';
}
}