spring security MessageSecurityMetadataSourceRegistry 源码
spring security MessageSecurityMetadataSourceRegistry 代码
文件路径：/config/src/main/java/org/springframework/security/config/annotation/web/messaging/MessageSecurityMetadataSourceRegistry.java
/*
* Copyright 2002-2022 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.config.annotation.web.messaging;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.springframework.messaging.Message;
import org.springframework.messaging.simp.SimpMessageType;
import org.springframework.security.access.expression.SecurityExpressionHandler;
import org.springframework.security.config.annotation.web.configurers.RememberMeConfigurer;
import org.springframework.security.messaging.access.expression.DefaultMessageSecurityExpressionHandler;
import org.springframework.security.messaging.access.expression.ExpressionBasedMessageSecurityMetadataSourceFactory;
import org.springframework.security.messaging.access.intercept.MessageMatcherDelegatingAuthorizationManager;
import org.springframework.security.messaging.access.intercept.MessageSecurityMetadataSource;
import org.springframework.security.messaging.util.matcher.MessageMatcher;
import org.springframework.security.messaging.util.matcher.SimpDestinationMessageMatcher;
import org.springframework.security.messaging.util.matcher.SimpMessageTypeMatcher;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.Assert;
import org.springframework.util.PathMatcher;
import org.springframework.util.StringUtils;
/**
* Allows mapping security constraints using {@link MessageMatcher} to the security
* expressions.
*
* @author Rob Winch
* @since 4.0
* @deprecated Use {@link MessageMatcherDelegatingAuthorizationManager} instead
*/
@Deprecated
public class MessageSecurityMetadataSourceRegistry {
private static final String permitAll = "permitAll";
private static final String denyAll = "denyAll";
private static final String anonymous = "anonymous";
private static final String authenticated = "authenticated";
private static final String fullyAuthenticated = "fullyAuthenticated";
private static final String rememberMe = "rememberMe";
private SecurityExpressionHandler<Message<Object>> expressionHandler = new DefaultMessageSecurityExpressionHandler<>();
private final LinkedHashMap<MatcherBuilder, String> matcherToExpression = new LinkedHashMap<>();
private DelegatingPathMatcher pathMatcher = new DelegatingPathMatcher();
private boolean defaultPathMatcher = true;
/**
* Maps any {@link Message} to a security expression.
* @return the Expression to associate
*/
public Constraint anyMessage() {
return matchers(MessageMatcher.ANY_MESSAGE);
}
/**
* Maps any {@link Message} that has a null SimpMessageHeaderAccessor destination
* header (i.e. CONNECT, CONNECT_ACK, HEARTBEAT, UNSUBSCRIBE, DISCONNECT,
* DISCONNECT_ACK, OTHER)
* @return the Expression to associate
*/
public Constraint nullDestMatcher() {
return matchers(SimpDestinationMessageMatcher.NULL_DESTINATION_MATCHER);
}
/**
* Maps a {@link List} of {@link SimpDestinationMessageMatcher} instances.
* @param typesToMatch the {@link SimpMessageType} instance to match on
* @return the {@link Constraint} associated to the matchers.
*/
public Constraint simpTypeMatchers(SimpMessageType... typesToMatch) {
MessageMatcher<?>[] typeMatchers = new MessageMatcher<?>[typesToMatch.length];
for (int i = 0; i < typesToMatch.length; i++) {
SimpMessageType typeToMatch = typesToMatch[i];
typeMatchers[i] = new SimpMessageTypeMatcher(typeToMatch);
}
return matchers(typeMatchers);
}
/**
* Maps a {@link List} of {@link SimpDestinationMessageMatcher} instances without
* regard to the {@link SimpMessageType}. If no destination is found on the Message,
* then the Matcher returns false.
* @param patterns the patterns to create
* {@link org.springframework.security.messaging.util.matcher.SimpDestinationMessageMatcher}
* from. Uses
* {@link MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)} .
* @return the {@link Constraint} that is associated to the {@link MessageMatcher}
* @see MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)
*/
public Constraint simpDestMatchers(String... patterns) {
return simpDestMatchers(null, patterns);
}
/**
* Maps a {@link List} of {@link SimpDestinationMessageMatcher} instances that match
* on {@code SimpMessageType.MESSAGE}. If no destination is found on the Message, then
* the Matcher returns false.
* @param patterns the patterns to create
* {@link org.springframework.security.messaging.util.matcher.SimpDestinationMessageMatcher}
* from. Uses
* {@link MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)}.
* @return the {@link Constraint} that is associated to the {@link MessageMatcher}
* @see MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)
*/
public Constraint simpMessageDestMatchers(String... patterns) {
return simpDestMatchers(SimpMessageType.MESSAGE, patterns);
}
/**
* Maps a {@link List} of {@link SimpDestinationMessageMatcher} instances that match
* on {@code SimpMessageType.SUBSCRIBE}. If no destination is found on the Message,
* then the Matcher returns false.
* @param patterns the patterns to create
* {@link org.springframework.security.messaging.util.matcher.SimpDestinationMessageMatcher}
* from. Uses
* {@link MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)}.
* @return the {@link Constraint} that is associated to the {@link MessageMatcher}
* @see MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)
*/
public Constraint simpSubscribeDestMatchers(String... patterns) {
return simpDestMatchers(SimpMessageType.SUBSCRIBE, patterns);
}
/**
* Maps a {@link List} of {@link SimpDestinationMessageMatcher} instances. If no
* destination is found on the Message, then the Matcher returns false.
* @param type the {@link SimpMessageType} to match on. If null, the
* {@link SimpMessageType} is not considered for matching.
* @param patterns the patterns to create
* {@link org.springframework.security.messaging.util.matcher.SimpDestinationMessageMatcher}
* from. Uses
* {@link MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)}.
* @return the {@link Constraint} that is associated to the {@link MessageMatcher}
* @see MessageSecurityMetadataSourceRegistry#simpDestPathMatcher(PathMatcher)
*/
private Constraint simpDestMatchers(SimpMessageType type, String... patterns) {
List<MatcherBuilder> matchers = new ArrayList<>(patterns.length);
for (String pattern : patterns) {
matchers.add(new PathMatcherMessageMatcherBuilder(pattern, type));
}
return new Constraint(matchers);
}
/**
* The {@link PathMatcher} to be used with the
* {@link MessageSecurityMetadataSourceRegistry#simpDestMatchers(String...)}. The
* default is to use the default constructor of {@link AntPathMatcher}.
* @param pathMatcher the {@link PathMatcher} to use. Cannot be null.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization.
*/
public MessageSecurityMetadataSourceRegistry simpDestPathMatcher(PathMatcher pathMatcher) {
Assert.notNull(pathMatcher, "pathMatcher cannot be null");
this.pathMatcher.setPathMatcher(pathMatcher);
this.defaultPathMatcher = false;
return this;
}
/**
* Determines if the {@link #simpDestPathMatcher(PathMatcher)} has been explicitly
* set.
* @return true if {@link #simpDestPathMatcher(PathMatcher)} has been explicitly set,
* else false.
*/
protected boolean isSimpDestPathMatcherConfigured() {
return !this.defaultPathMatcher;
}
/**
* Maps a {@link List} of {@link MessageMatcher} instances to a security expression.
* @param matchers the {@link MessageMatcher} instances to map.
* @return The {@link Constraint} that is associated to the {@link MessageMatcher}
* instances
*/
public Constraint matchers(MessageMatcher<?>... matchers) {
List<MatcherBuilder> builders = new ArrayList<>(matchers.length);
for (MessageMatcher<?> matcher : matchers) {
builders.add(new PreBuiltMatcherBuilder(matcher));
}
return new Constraint(builders);
}
/**
* The {@link SecurityExpressionHandler} to be used. The default is to use
* {@link DefaultMessageSecurityExpressionHandler}.
* @param expressionHandler the {@link SecurityExpressionHandler} to use. Cannot be
* null.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization.
*/
public MessageSecurityMetadataSourceRegistry expressionHandler(
SecurityExpressionHandler<Message<Object>> expressionHandler) {
Assert.notNull(expressionHandler, "expressionHandler cannot be null");
this.expressionHandler = expressionHandler;
return this;
}
/**
* Allows subclasses to create creating a {@link MessageSecurityMetadataSource}.
*
* <p>
* This is not exposed so as not to confuse users of the API, which should never
* invoke this method.
* </p>
* @return the {@link MessageSecurityMetadataSource} to use
*/
protected MessageSecurityMetadataSource createMetadataSource() {
LinkedHashMap<MessageMatcher<?>, String> matcherToExpression = new LinkedHashMap<>();
for (Map.Entry<MatcherBuilder, String> entry : this.matcherToExpression.entrySet()) {
matcherToExpression.put(entry.getKey().build(), entry.getValue());
}
return ExpressionBasedMessageSecurityMetadataSourceFactory
.createExpressionMessageMetadataSource(matcherToExpression, this.expressionHandler);
}
/**
* Allows determining if a mapping was added.
*
* <p>
* This is not exposed so as not to confuse users of the API, which should never need
* to invoke this method.
* </p>
* @return true if a mapping was added, else false
*/
protected boolean containsMapping() {
return !this.matcherToExpression.isEmpty();
}
private static String hasAnyRole(String... authorities) {
String anyAuthorities = StringUtils.arrayToDelimitedString(authorities, "','ROLE_");
return "hasAnyRole('ROLE_" + anyAuthorities + "')";
}
private static String hasRole(String role) {
Assert.notNull(role, "role cannot be null");
if (role.startsWith("ROLE_")) {
throw new IllegalArgumentException(
"role should not start with 'ROLE_' since it is automatically inserted. Got '" + role + "'");
}
return "hasRole('ROLE_" + role + "')";
}
private static String hasAuthority(String authority) {
return "hasAuthority('" + authority + "')";
}
private static String hasAnyAuthority(String... authorities) {
String anyAuthorities = StringUtils.arrayToDelimitedString(authorities, "','");
return "hasAnyAuthority('" + anyAuthorities + "')";
}
/**
* Represents the security constraint to be applied to the {@link MessageMatcher}
* instances.
*/
public final class Constraint {
private final List<? extends MatcherBuilder> messageMatchers;
/**
* Creates a new instance
* @param messageMatchers the {@link MessageMatcher} instances to map to this
* constraint
*/
private Constraint(List<? extends MatcherBuilder> messageMatchers) {
Assert.notEmpty(messageMatchers, "messageMatchers cannot be null or empty");
this.messageMatchers = messageMatchers;
}
/**
* Shortcut for specifying {@link Message} instances require a particular role. If
* you do not want to have "ROLE_" automatically inserted see
* {@link #hasAuthority(String)}.
* @param role the role to require (i.e. USER, ADMIN, etc). Note, it should not
* start with "ROLE_" as this is automatically inserted.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry hasRole(String role) {
return access(MessageSecurityMetadataSourceRegistry.hasRole(role));
}
/**
* Shortcut for specifying {@link Message} instances require any of a number of
* roles. If you do not want to have "ROLE_" automatically inserted see
* {@link #hasAnyAuthority(String...)}
* @param roles the roles to require (i.e. USER, ADMIN, etc). Note, it should not
* start with "ROLE_" as this is automatically inserted.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry hasAnyRole(String... roles) {
return access(MessageSecurityMetadataSourceRegistry.hasAnyRole(roles));
}
/**
* Specify that {@link Message} instances require a particular authority.
* @param authority the authority to require (i.e. ROLE_USER, ROLE_ADMIN, etc).
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry hasAuthority(String authority) {
return access(MessageSecurityMetadataSourceRegistry.hasAuthority(authority));
}
/**
* Specify that {@link Message} instances requires any of a number authorities.
* @param authorities the requests require at least one of the authorities (i.e.
* "ROLE_USER","ROLE_ADMIN" would mean either "ROLE_USER" or "ROLE_ADMIN" is
* required).
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry hasAnyAuthority(String... authorities) {
return access(MessageSecurityMetadataSourceRegistry.hasAnyAuthority(authorities));
}
/**
* Specify that Messages are allowed by anyone.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry permitAll() {
return access(permitAll);
}
/**
* Specify that Messages are allowed by anonymous users.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry anonymous() {
return access(anonymous);
}
/**
* Specify that Messages are allowed by users that have been remembered.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
* @see RememberMeConfigurer
*/
public MessageSecurityMetadataSourceRegistry rememberMe() {
return access(rememberMe);
}
/**
* Specify that Messages are not allowed by anyone.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry denyAll() {
return access(denyAll);
}
/**
* Specify that Messages are allowed by any authenticated user.
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry authenticated() {
return access(authenticated);
}
/**
* Specify that Messages are allowed by users who have authenticated and were not
* "remembered".
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
* @see RememberMeConfigurer
*/
public MessageSecurityMetadataSourceRegistry fullyAuthenticated() {
return access(fullyAuthenticated);
}
/**
* Allows specifying that Messages are secured by an arbitrary expression
* @param attribute the expression to secure the URLs (i.e. "hasRole('ROLE_USER')
* and hasRole('ROLE_SUPER')")
* @return the {@link MessageSecurityMetadataSourceRegistry} for further
* customization
*/
public MessageSecurityMetadataSourceRegistry access(String attribute) {
for (MatcherBuilder messageMatcher : this.messageMatchers) {
MessageSecurityMetadataSourceRegistry.this.matcherToExpression.put(messageMatcher, attribute);
}
return MessageSecurityMetadataSourceRegistry.this;
}
}
private static final class PreBuiltMatcherBuilder implements MatcherBuilder {
private MessageMatcher<?> matcher;
private PreBuiltMatcherBuilder(MessageMatcher<?> matcher) {
this.matcher = matcher;
}
@Override
public MessageMatcher<?> build() {
return this.matcher;
}
}
private final class PathMatcherMessageMatcherBuilder implements MatcherBuilder {
private final String pattern;
private final SimpMessageType type;
private PathMatcherMessageMatcherBuilder(String pattern, SimpMessageType type) {
this.pattern = pattern;
this.type = type;
}
@Override
public MessageMatcher<?> build() {
if (this.type == null) {
return new SimpDestinationMessageMatcher(this.pattern,
MessageSecurityMetadataSourceRegistry.this.pathMatcher);
}
if (SimpMessageType.MESSAGE == this.type) {
return SimpDestinationMessageMatcher.createMessageMatcher(this.pattern,
MessageSecurityMetadataSourceRegistry.this.pathMatcher);
}
if (SimpMessageType.SUBSCRIBE == this.type) {
return SimpDestinationMessageMatcher.createSubscribeMatcher(this.pattern,
MessageSecurityMetadataSourceRegistry.this.pathMatcher);
}
throw new IllegalStateException(this.type + " is not supported since it does not have a destination");
}
}
private interface MatcherBuilder {
MessageMatcher<?> build();
}
static class DelegatingPathMatcher implements PathMatcher {
private PathMatcher delegate = new AntPathMatcher();
@Override
public boolean isPattern(String path) {
return this.delegate.isPattern(path);
}
@Override
public boolean match(String pattern, String path) {
return this.delegate.match(pattern, path);
}
@Override
public boolean matchStart(String pattern, String path) {
return this.delegate.matchStart(pattern, path);
}
@Override
public String extractPathWithinPattern(String pattern, String path) {
return this.delegate.extractPathWithinPattern(pattern, path);
}
@Override
public Map<String, String> extractUriTemplateVariables(String pattern, String path) {
return this.delegate.extractUriTemplateVariables(pattern, path);
}
@Override
public Comparator<String> getPatternComparator(String path) {
return this.delegate.getPatternComparator(path);
}
@Override
public String combine(String pattern1, String pattern2) {
return this.delegate.combine(pattern1, pattern2);
}
void setPathMatcher(PathMatcher pathMatcher) {
this.delegate = pathMatcher;
}
}
}
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