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Add RDAP support for deleted domains and filtering by registrar
This CL adds the functionality for domain searches. Entities and nameservers have already been handled by previous CLs. Deleted items can only be seen by admins, and by registrars viewing their own deleted items. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=172097922
This commit is contained in:
mountford
jianglai
parent
048ae4b4ba
commit
03087ddc85
9 changed files with 769 additions and 281 deletions
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@ -19,7 +19,7 @@ import static google.registry.model.index.ForeignKeyIndex.loadAndGetKey;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import static google.registry.request.Action.Method.GET;
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import static google.registry.request.Action.Method.HEAD;
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import static google.registry.util.DateTimeUtils.END_OF_TIME;
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import static google.registry.util.DateTimeUtils.START_OF_TIME;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableMap;
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@ -28,7 +28,6 @@ import com.google.common.collect.Iterables;
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import com.google.common.primitives.Booleans;
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import com.googlecode.objectify.Key;
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import com.googlecode.objectify.cmd.Query;
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import google.registry.model.EppResourceUtils;
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import google.registry.model.domain.DomainResource;
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import google.registry.model.host.HostResource;
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import google.registry.rdap.RdapJsonFormatter.BoilerplateType;
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@ -156,33 +155,20 @@ public class RdapDomainSearchAction extends RdapActionBase {
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* characters (e.g. "ex*"), to avoid queries for all domains in the system. If the TLD is present,
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* the initial string is not required (e.g. "*.tld" is valid), because the search will be
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* restricted to a single TLD.
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*
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* <p>Searches which include deleted entries are effectively treated as if they have a wildcard,
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* since the same name can return multiple results.
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*/
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private RdapSearchResults searchByDomainName(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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// Handle queries without a wildcard -- just load by foreign key.
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if (!partialStringQuery.getHasWildcard()) {
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DomainResource domainResource =
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loadByForeignKey(DomainResource.class, partialStringQuery.getInitialString(), now);
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ImmutableList<DomainResource> results = (domainResource == null)
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? ImmutableList.<DomainResource>of()
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: ImmutableList.of(domainResource);
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return makeSearchResults(results, now);
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// Handle queries with a wildcard and no initial string.
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} else if (partialStringQuery.getInitialString().isEmpty()) {
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if (partialStringQuery.getSuffix() == null) {
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throw new UnprocessableEntityException(
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"Initial search string is required for wildcard domain searches without a TLD suffix");
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}
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// Since we aren't searching on fullyQualifiedDomainName, we can perform our one allowed
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// inequality query on deletion time.
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Query<DomainResource> query = ofy().load()
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.type(DomainResource.class)
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.filter("tld", partialStringQuery.getSuffix())
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.filter("deletionTime >", now)
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.limit(rdapResultSetMaxSize + 1);
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return makeSearchResults(query.list(), now);
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// Handle queries with a wildcard and an initial string.
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} else {
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// Handle queries without a wildcard -- just load by foreign key. We can't do this if deleted
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// entries are included, because there may be multiple nameservers with the same name.
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if (!partialStringQuery.getHasWildcard() && !shouldIncludeDeleted()) {
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return searchByDomainNameWithoutWildcard(partialStringQuery, now);
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}
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// Handle queries with a wildcard and initial search string. We require either a TLD or an
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// initial string at least MIN_INITIAL_STRING_LENGTH long.
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if (!partialStringQuery.getInitialString().isEmpty()) {
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if ((partialStringQuery.getSuffix() == null)
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&& (partialStringQuery.getInitialString().length()
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< RdapSearchPattern.MIN_INITIAL_STRING_LENGTH)) {
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@ -192,44 +178,64 @@ public class RdapDomainSearchAction extends RdapActionBase {
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+ " without a TLD suffix",
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RdapSearchPattern.MIN_INITIAL_STRING_LENGTH));
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}
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// We can't query for undeleted domains as part of the query itself; that would require an
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// inequality query on deletion time, and we are already using inequality queries on
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// fullyQualifiedDomainName. So we instead pick an arbitrary limit of
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// RESULT_SET_SIZE_SCALING_FACTOR times the result set size limit, fetch up to that many, and
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// weed out all deleted domains. If there still isn't a full result set's worth of domains, we
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// give up and return just the ones we found.
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// TODO(b/31546493): Add metrics to figure out how well this works.
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List<DomainResource> domainList = new ArrayList<>();
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Query<DomainResource> query = ofy().load()
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.type(DomainResource.class)
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.filter("fullyQualifiedDomainName <", partialStringQuery.getNextInitialString())
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.filter("fullyQualifiedDomainName >=", partialStringQuery.getInitialString());
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if (partialStringQuery.getSuffix() != null) {
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query = query.filter("tld", partialStringQuery.getSuffix());
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}
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// Query the domains directly, rather than the foreign keys, because then we have an index on
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// TLD if we need it.
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int numFetched = 0;
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for (DomainResource domain :
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query.limit(RESULT_SET_SIZE_SCALING_FACTOR * rdapResultSetMaxSize)) {
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numFetched++;
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if (EppResourceUtils.isActive(domain, now)) {
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if (domainList.size() >= rdapResultSetMaxSize) {
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return makeSearchResults(
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ImmutableList.copyOf(domainList), IncompletenessWarningType.TRUNCATED, now);
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}
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domainList.add(domain);
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}
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}
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return makeSearchResults(
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domainList,
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((numFetched == RESULT_SET_SIZE_SCALING_FACTOR * rdapResultSetMaxSize)
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&& (domainList.size() < rdapResultSetMaxSize))
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? IncompletenessWarningType.MIGHT_BE_INCOMPLETE
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: IncompletenessWarningType.NONE,
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now);
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return searchByDomainNameWithInitialString(partialStringQuery, now);
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}
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if (partialStringQuery.getSuffix() == null) {
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throw new UnprocessableEntityException(
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"Initial search string is required for wildcard domain searches without a TLD suffix");
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}
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return searchByDomainNameByTld(partialStringQuery.getSuffix(), now);
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}
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/**
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* Searches for domains by domain name without a wildcard or interest in deleted entries.
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*/
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private RdapSearchResults searchByDomainNameWithoutWildcard(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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DomainResource domainResource =
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loadByForeignKey(DomainResource.class, partialStringQuery.getInitialString(), now);
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ImmutableList<DomainResource> results =
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((domainResource == null) || !shouldBeVisible(domainResource, now))
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? ImmutableList.<DomainResource>of()
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: ImmutableList.of(domainResource);
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return makeSearchResults(results, now);
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}
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/** Searches for domains by domain name with an initial string, wildcard and possible suffix. */
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private RdapSearchResults searchByDomainNameWithInitialString(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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// We can't query for undeleted domains as part of the query itself; that would require an
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// inequality query on deletion time, and we are already using inequality queries on
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// fullyQualifiedDomainName. So we instead pick an arbitrary limit of
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// RESULT_SET_SIZE_SCALING_FACTOR times the result set size limit, fetch up to that many, and
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// weed out all deleted domains. If there still isn't a full result set's worth of domains, we
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// give up and return just the ones we found. Don't use queryItems, because it checks that the
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// initial string is at least a certain length, which we don't need in this case. Query the
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// domains directly, rather than the foreign keys, because then we have an index on TLD if we
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// need it.
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// TODO(b/31546493): Add metrics to figure out how well this works.
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Query<DomainResource> query =
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ofy()
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.load()
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.type(DomainResource.class)
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.filter("fullyQualifiedDomainName <", partialStringQuery.getNextInitialString())
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.filter("fullyQualifiedDomainName >=", partialStringQuery.getInitialString())
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.limit(RESULT_SET_SIZE_SCALING_FACTOR * rdapResultSetMaxSize);
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if (partialStringQuery.getSuffix() != null) {
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query = query.filter("tld", partialStringQuery.getSuffix());
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}
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// Always check for visibility, because we couldn't look at the deletionTime in the query.
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return makeSearchResults(getMatchingResources(query, true, now), now);
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}
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/** Searches for domains by domain name with a TLD suffix. */
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private RdapSearchResults searchByDomainNameByTld(String tld, DateTime now) {
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// Since we aren't searching on fullyQualifiedDomainName, we can perform our one allowed
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// inequality query on deletion time.
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Query<DomainResource> query =
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queryItems(
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DomainResource.class, "tld", tld, shouldIncludeDeleted(), rdapResultSetMaxSize + 1);
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return makeSearchResults(getMatchingResources(query, shouldIncludeDeleted(), now), now);
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}
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/**
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@ -237,6 +243,9 @@ public class RdapDomainSearchAction extends RdapActionBase {
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*
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* <p>This is a two-step process: get a list of host references by host name, and then look up
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* domains by host reference.
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*
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* <p>The includeDeleted parameter does NOT cause deleted nameservers to be searched, only deleted
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* domains which used to be connected to an undeleted nameserver.
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*/
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private RdapSearchResults searchByNameserverLdhName(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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@ -259,62 +268,106 @@ public class RdapDomainSearchAction extends RdapActionBase {
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*/
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private Iterable<Key<HostResource>> getNameserverRefsByLdhName(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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// Handle queries without a wildcard; just load the host by foreign key in the usual way.
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// Handle queries without a wildcard.
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if (!partialStringQuery.getHasWildcard()) {
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Key<HostResource> hostKey = loadAndGetKey(
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HostResource.class, partialStringQuery.getInitialString(), now);
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if (hostKey == null) {
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return ImmutableList.of();
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} else {
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return ImmutableList.of(hostKey);
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}
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// Handle queries with a wildcard.
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return getNameserverRefsByLdhNameWithoutWildcard(partialStringQuery, now);
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}
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// Handle queries with a wildcard and suffix (specifying a suprerordinate domain).
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if (partialStringQuery.getSuffix() != null) {
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return getNameserverRefsByLdhNameWithSuffix(partialStringQuery, now);
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}
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// If there's no suffix, query the host resources. Query the resources themselves, rather than
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// the foreign key indexes, because then we have an index on fully qualified host name and
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// deletion time, so we can check the deletion status in the query itself. The initial string
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// must be present, to avoid querying every host in the system. This restriction is enforced by
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// {@link queryItems}.
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//
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// Only return the first 1000 nameservers. This could result in an incomplete result set if
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// a search asks for something like "ns*", but we need to enforce a limit in order to avoid
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// arbitrarily long-running queries.
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Query<HostResource> query =
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queryItems(
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HostResource.class,
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"fullyQualifiedHostName",
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partialStringQuery,
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false, /* includeDeleted */
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MAX_NAMESERVERS_IN_FIRST_STAGE);
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Optional<String> desiredRegistrar = getDesiredRegistrar();
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if (desiredRegistrar.isPresent()) {
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query = query.filter("currentSponsorClientId", desiredRegistrar.get());
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}
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return query.keys();
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}
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/** Assembles a list of {@link HostResource} keys by name when the pattern has no wildcard. */
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private Iterable<Key<HostResource>> getNameserverRefsByLdhNameWithoutWildcard(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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// If we need to check the sponsoring registrar, we need to load the resource rather than just
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// the key.
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Optional<String> desiredRegistrar = getDesiredRegistrar();
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if (desiredRegistrar.isPresent()) {
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HostResource host =
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loadByForeignKey(
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HostResource.class,
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partialStringQuery.getInitialString(),
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shouldIncludeDeleted() ? START_OF_TIME : now);
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return ((host == null)
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|| !desiredRegistrar.get().equals(host.getPersistedCurrentSponsorClientId()))
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? ImmutableList.of()
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: ImmutableList.of(Key.create(host));
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} else {
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// If there is a suffix, it must be a domain that we manage. That way, we can look up the
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// domain and search through the subordinate hosts. This is more efficient, and lets us permit
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// wildcard searches with no initial string.
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if (partialStringQuery.getSuffix() != null) {
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DomainResource domainResource = loadByForeignKey(
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DomainResource.class, partialStringQuery.getSuffix(), now);
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if (domainResource == null) {
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// Don't allow wildcards with suffixes which are not domains we manage. That would risk a
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// table scan in some easily foreseeable cases.
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throw new UnprocessableEntityException(
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"A suffix in a lookup by nameserver name must be an in-bailiwick domain");
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}
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ImmutableList.Builder<Key<HostResource>> builder = new ImmutableList.Builder<>();
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for (String fqhn : ImmutableSortedSet.copyOf(domainResource.getSubordinateHosts())) {
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// We can't just check that the host name starts with the initial query string, because
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// then the query ns.exam*.example.com would match against nameserver ns.example.com.
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if (partialStringQuery.matches(fqhn)) {
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Key<HostResource> hostKey = loadAndGetKey(HostResource.class, fqhn, now);
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if (hostKey != null) {
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builder.add(hostKey);
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} else {
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logger.warningfmt("Host key unexpectedly null");
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}
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Key<HostResource> hostKey =
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loadAndGetKey(
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HostResource.class,
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partialStringQuery.getInitialString(),
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shouldIncludeDeleted() ? START_OF_TIME : now);
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return (hostKey == null) ? ImmutableList.of() : ImmutableList.of(hostKey);
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}
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}
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/** Assembles a list of {@link HostResource} keys by name using a superordinate domain suffix. */
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private Iterable<Key<HostResource>> getNameserverRefsByLdhNameWithSuffix(
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final RdapSearchPattern partialStringQuery, final DateTime now) {
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// The suffix must be a domain that we manage. That way, we can look up the domain and search
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// through the subordinate hosts. This is more efficient, and lets us permit wildcard searches
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// with no initial string.
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DomainResource domainResource =
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loadByForeignKey(
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DomainResource.class,
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partialStringQuery.getSuffix(),
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shouldIncludeDeleted() ? START_OF_TIME : now);
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if (domainResource == null) {
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// Don't allow wildcards with suffixes which are not domains we manage. That would risk a
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// table scan in some easily foreseeable cases.
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throw new UnprocessableEntityException(
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"A suffix in a lookup by nameserver name must be a domain defined in the system");
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}
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Optional<String> desiredRegistrar = getDesiredRegistrar();
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ImmutableList.Builder<Key<HostResource>> builder = new ImmutableList.Builder<>();
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for (String fqhn : ImmutableSortedSet.copyOf(domainResource.getSubordinateHosts())) {
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// We can't just check that the host name starts with the initial query string, because
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// then the query ns.exam*.example.com would match against nameserver ns.example.com.
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if (partialStringQuery.matches(fqhn)) {
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if (desiredRegistrar.isPresent()) {
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HostResource host =
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loadByForeignKey(
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HostResource.class, fqhn, shouldIncludeDeleted() ? START_OF_TIME : now);
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if ((host != null)
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&& desiredRegistrar.get().equals(host.getPersistedCurrentSponsorClientId())) {
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builder.add(Key.create(host));
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}
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} else {
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Key<HostResource> hostKey =
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loadAndGetKey(HostResource.class, fqhn, shouldIncludeDeleted() ? START_OF_TIME : now);
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if (hostKey != null) {
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builder.add(hostKey);
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} else {
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logger.warningfmt("Host key unexpectedly null");
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}
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}
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return builder.build();
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// If there's no suffix, query the host resources. Query the resources themselves, rather than
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// the foreign key indexes, because then we have an index on fully qualified host name and
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// deletion time, so we can check the deletion status in the query itself. There are no
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// pending deletes for hosts, so we can call queryUndeleted. In this case, the initial string
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// must be present, to avoid querying every host in the system. This restriction is enforced
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// by queryUndeleted().
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} else {
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// Only return the first 1000 nameservers. This could result in an incomplete result set if
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// a search asks for something like "ns*", but we need to enforce a limit in order to avoid
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// arbitrarily long-running queries.
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return queryItems(
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HostResource.class,
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"fullyQualifiedHostName",
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partialStringQuery,
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false, /* includeDeleted */
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MAX_NAMESERVERS_IN_FIRST_STAGE)
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.keys();
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}
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}
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return builder.build();
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}
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/**
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@ -329,18 +382,24 @@ public class RdapDomainSearchAction extends RdapActionBase {
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* IP. To avoid this, fetch only the first 1000 nameservers. In all normal circumstances, this
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* should be orders of magnitude more than there actually are. But it could result in us missing
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* some domains.
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*
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* <p>The includeDeleted parameter does NOT cause deleted nameservers to be searched, only deleted
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* domains which used to be connected to an undeleted nameserver.
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*/
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private RdapSearchResults searchByNameserverIp(
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final InetAddress inetAddress, final DateTime now) {
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return searchByNameserverRefs(
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ofy()
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.load()
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.type(HostResource.class)
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.filter("inetAddresses", inetAddress.getHostAddress())
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.filter("deletionTime", END_OF_TIME)
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.limit(MAX_NAMESERVERS_IN_FIRST_STAGE)
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.keys(),
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now);
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Query<HostResource> query =
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queryItems(
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HostResource.class,
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"inetAddresses",
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inetAddress.getHostAddress(),
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false,
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MAX_NAMESERVERS_IN_FIRST_STAGE);
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Optional<String> desiredRegistrar = getDesiredRegistrar();
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if (desiredRegistrar.isPresent()) {
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query = query.filter("currentSponsorClientId", desiredRegistrar.get());
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}
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return searchByNameserverRefs(query.keys(), now);
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}
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/**
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@ -360,12 +419,14 @@ public class RdapDomainSearchAction extends RdapActionBase {
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int numHostKeysSearched = 0;
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for (List<Key<HostResource>> chunk : Iterables.partition(hostKeys, 30)) {
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numHostKeysSearched += chunk.size();
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for (DomainResource domain : ofy().load()
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Query<DomainResource> query = ofy().load()
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.type(DomainResource.class)
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.filter("nsHosts in", chunk)
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.filter("deletionTime >", now)
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.limit(rdapResultSetMaxSize + 1)) {
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if (!domains.contains(domain)) {
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.filter("nsHosts in", chunk);
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if (!shouldIncludeDeleted()) {
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query = query.filter("deletionTime >", now);
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}
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for (DomainResource domain : query.limit(rdapResultSetMaxSize + 1)) {
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if (!domains.contains(domain) && isAuthorized(domain, now)) {
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if (domains.size() >= rdapResultSetMaxSize) {
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return makeSearchResults(
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ImmutableList.copyOf(domains), IncompletenessWarningType.TRUNCATED, now);
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@ -387,6 +448,17 @@ public class RdapDomainSearchAction extends RdapActionBase {
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return makeSearchResults(domains, IncompletenessWarningType.NONE, now);
|
||||
}
|
||||
|
||||
/** Output JSON from data in an {@link RdapResourcesAndIncompletenessWarningType} object. */
|
||||
private RdapSearchResults makeSearchResults(
|
||||
RdapResourcesAndIncompletenessWarningType<DomainResource>
|
||||
resourcesAndIncompletenessWarningType,
|
||||
DateTime now) {
|
||||
return makeSearchResults(
|
||||
resourcesAndIncompletenessWarningType.resources(),
|
||||
resourcesAndIncompletenessWarningType.incompletenessWarningType(),
|
||||
now);
|
||||
}
|
||||
|
||||
/**
|
||||
* Output JSON for a list of domains.
|
||||
*
|
||||
|
|
@ -401,12 +473,19 @@ public class RdapDomainSearchAction extends RdapActionBase {
|
|||
OutputDataType outputDataType =
|
||||
(domains.size() > 1) ? OutputDataType.SUMMARY : OutputDataType.FULL;
|
||||
RdapAuthorization authorization = getAuthorization();
|
||||
ImmutableList.Builder<ImmutableMap<String, Object>> jsonBuilder = new ImmutableList.Builder<>();
|
||||
List<ImmutableMap<String, Object>> jsonList = new ArrayList<>();
|
||||
for (DomainResource domain : domains) {
|
||||
jsonBuilder.add(
|
||||
jsonList.add(
|
||||
rdapJsonFormatter.makeRdapJsonForDomain(
|
||||
domain, false, rdapLinkBase, rdapWhoisServer, now, outputDataType, authorization));
|
||||
if (jsonList.size() >= rdapResultSetMaxSize) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return RdapSearchResults.create(jsonBuilder.build(), incompletenessWarningType);
|
||||
return RdapSearchResults.create(
|
||||
ImmutableList.copyOf(jsonList),
|
||||
(jsonList.size() < domains.size())
|
||||
? IncompletenessWarningType.TRUNCATED
|
||||
: incompletenessWarningType);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue