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5098b03af4
This change replaces all Ref objects in the code with Key objects. These are
stored in datastore as the same object (raw datastore keys), so this is not
a model change.
Our best practices doc says to use Keys not Refs because:
* The .get() method obscures what's actually going on
- Much harder to visually audit the code for datastore loads
- Hard to distinguish Ref<T> get()'s from Optional get()'s and Supplier get()'s
* Implicit ofy().load() offers much less control
- Antipattern for ultimate goal of making Ofy injectable
- Can't control cache use or batch loading without making ofy() explicit anyway
* Serialization behavior is surprising and could be quite dangerous/incorrect
- Can lead to serialization errors. If it actually worked "as intended",
it would lead to a Ref<> on a serialized object being replaced upon
deserialization with a stale copy of the old value, which could potentially
break all kinds of transactional expectations
* Having both Ref<T> and Key<T> introduces extra boilerplate everywhere
- E.g. helper methods all need to have Ref and Key overloads, or you need to
call .key() to get the Key<T> for every Ref<T> you want to pass in
- Creating a Ref<T> is more cumbersome, since it doesn't have all the create()
overloads that Key<T> has, only create(Key<T>) and create(Entity) - no way to
create directly from kind+ID/name, raw Key, websafe key string, etc.
(Note that Refs are treated specially by Objectify's @Load method and Keys are not;
we don't use that feature, but it is the one advantage Refs have over Keys.)
The direct impetus for this change is that I am trying to audit our use of memcache,
and the implicit .get() calls to datastore were making that very hard.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=131965491
65 lines
2.4 KiB
Java
65 lines
2.4 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.model.domain;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import com.googlecode.objectify.Key;
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import com.googlecode.objectify.annotation.Embed;
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import google.registry.model.EppResource;
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import google.registry.model.contact.ContactResource;
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import google.registry.model.eppcommon.AuthInfo;
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/** A version of authInfo specifically for domains. */
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@Embed
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public class DomainAuthInfo extends AuthInfo {
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public static DomainAuthInfo create(PasswordAuth pw) {
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DomainAuthInfo instance = new DomainAuthInfo();
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instance.pw = pw;
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return instance;
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}
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@Override
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public void verifyAuthorizedFor(EppResource eppResource) throws BadAuthInfoException {
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DomainBase domain = (DomainBase) eppResource;
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checkNotNull(getPw());
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if (getRepoId() != null) {
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// Make sure the repo id matches one of the contacts on the domain.
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Key<ContactResource> foundContact = null;
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for (Key<ContactResource> contact : domain.getReferencedContacts()) {
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String contactRepoId = contact.getName();
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if (getRepoId().equals(contactRepoId)) {
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foundContact = contact;
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break;
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}
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}
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if (foundContact == null) {
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throw new BadAuthInfoException();
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}
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// Check if the password provided matches the password on the referenced contact.
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if (!ofy().load().key(foundContact).now().getAuthInfo().getPw().getValue().equals(
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getPw().getValue())) {
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throw new BadAuthInfoException();
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}
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} else {
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// If not repository ID is specified, then check the password against the domain's password.
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if (!domain.getAuthInfo().getPw().getValue().equals(getPw().getValue())) {
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throw new BadAuthInfoException();
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}
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}
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}
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}
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