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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.container.http;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.component.chain.dependencies.Dependencies;
import com.yahoo.component.chain.model.ChainedComponentModel;
import com.yahoo.config.model.api.ContainerEndpoint;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig;
import com.yahoo.vespa.model.clients.ContainerDocumentApi;
import com.yahoo.vespa.model.container.ContainerCluster;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig.DefaultRule.Action.Enum.ALLOW;
import static com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig.Rule.Action.Enum.BLOCK;
import static com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig.Rule.Methods.Enum.DELETE;
import static com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig.Rule.Methods.Enum.POST;
import static com.yahoo.vespa.config.jdisc.http.filter.RuleBasedFilterConfig.Rule.Methods.Enum.PUT;
/**
* @author mortent
*/
public class BlockFeedGlobalEndpointsFilter extends Filter implements RuleBasedFilterConfig.Producer {
private final Set<ContainerEndpoint> endpoints;
private final boolean dryRun;
public BlockFeedGlobalEndpointsFilter(Set<ContainerEndpoint> endpoints, boolean dryRun) {
super(createFilterComponentModel());
this.endpoints = Set.copyOf(endpoints);
this.dryRun = dryRun;
}
@Override
public void getConfig(RuleBasedFilterConfig.Builder builder) {
Set<String> hostNames = endpoints.stream()
.flatMap(e -> e.names().stream())
.collect(Collectors.toCollection(() -> new LinkedHashSet<>()));
if(hostNames.size() > 0) {
Collection<String> hostnamesSorted = hostNames.stream().sorted().toList();
RuleBasedFilterConfig.Rule.Builder rule = new RuleBasedFilterConfig.Rule.Builder()
.hostNames(hostnamesSorted)
.pathExpressions(ContainerCluster.RESERVED_URI_PREFIX + "/{*}")
.pathExpressions(ContainerDocumentApi.DOCUMENT_V1_PREFIX + "/{*}")
.methods(List.of(PUT, POST, DELETE))
.action(BLOCK)
.name("block-feed-global-endpoints")
.blockResponseMessage("Feed to global endpoints are not allowed")
.blockResponseCode(405)
.blockResponseHeaders(new RuleBasedFilterConfig.Rule.BlockResponseHeaders.Builder()
.name("Allow")
.value("GET, OPTIONS, HEAD"));
builder.rule(rule);
}
builder.dryrun(dryRun);
builder.defaultRule.action(ALLOW);
}
private static ChainedComponentModel createFilterComponentModel() {
return new ChainedComponentModel(
new BundleInstantiationSpecification(
new ComponentSpecification("com.yahoo.jdisc.http.filter.security.rule.RuleBasedRequestFilter"),
null,
new ComponentSpecification("jdisc-security-filters")),
Dependencies.emptyDependencies());
}
}
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