Change UserPolicy to PUBLIC on WHOIS and EPP endpoints

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=193407195

docs/proxy-setup.md

@@ -145,15 +145,6 @@ oAuth:
     - <client_id>
 ```
 
-This service account also needs to be an ["App Engine Admin"](https://github.com/google/nomulus/blob/3dfd141e0fed650b5eb2631b4345220355221b77/java/google/registry/request/auth/UserAuthInfo.java#L31),
-which means it needs to granted a role like "Project Viewer":
-
-```bash
-$ gcloud add-iam-binding <nomulus-project> \
- --member=serviceAccount:<service-account-email> \
- --role=roles/viewer
- ```
-
 ### Setup nameservers
 
 The terraform output (run `terraform output` in the environment folder to show
@@ -325,15 +316,6 @@ oAuth:
 
 Redeploy Nomulus for the change to take effect.
 
-The project that hosts Nomulus also needs to add this service account as a
-project viewer so that OAuth protected endpoints like `/_dr/epp` and
-`/_dr/whois` can be accessed by the proxy:
-
-```bash
-$ gcloud projects add-iam-policy-binding <project-id> \
---member serviceAccount:<service-account-email> --role roles/viewer
-```
-
 Also bind the "Logs Writer" and role to the proxy service account so that it can
 write logs to [Stackdriver Logging](https://cloud.google.com/logging/).
 

java/google/registry/flows/EppTlsAction.java

@@ -29,7 +29,7 @@ import javax.servlet.http.HttpSession;
 @Action(
   path = "/_dr/epp",
   method = Method.POST,
-  auth = Auth.AUTH_INTERNAL_OR_ADMIN
+  auth = Auth.AUTH_PUBLIC_OR_INTERNAL
 )
 public class EppTlsAction implements Runnable {
 

java/google/registry/proxy/terraform/example_config.tf

@@ -9,7 +9,6 @@ terraform {
 module "proxy" {
   source                   = "../../modules"
   proxy_project_name       = "YOUR_PROXY_PROJECT"
-  nomulus_project_name     = "YOUR_NOMULUS_GPROJECT"
   gcr_project_name         = "YOUR_GCR_PROJECT"
   proxy_domain_name        = "YOUR_PROXY_DOMAIN"
   proxy_certificate_bucket = "YOU_CERTIFICATE_BUCKET"

java/google/registry/proxy/terraform/modules/iam.tf

@@ -3,12 +3,6 @@ resource "google_service_account" "proxy_service_account" {
   display_name = "Nomulus proxy service account"
 }
 
-resource "google_project_iam_member" "nomulus_project_viewer" {
-  project = "${var.nomulus_project_name}"
-  role    = "roles/viewer"
-  member  = "serviceAccount:${google_service_account.proxy_service_account.email}"
-}
-
 resource "google_project_iam_member" "gcr_storage_viewer" {
   project = "${var.gcr_project_name}"
   role    = "roles/storage.objectViewer"

java/google/registry/proxy/terraform/modules/input.tf

@@ -1,9 +1,6 @@
 # GCP project in which the proxy runs.
 variable "proxy_project_name" {}
 
-# GCP project in which Nomulus runs.
-variable "nomulus_project_name" {}
-
 # GCP project from which the proxy image is pulled.
 variable "gcr_project_name" {}
 

java/google/registry/request/auth/Auth.java

@@ -56,6 +56,17 @@ public enum Auth {
       AuthLevel.USER,
       UserPolicy.PUBLIC),
 
+  /**
+   * Allows anyone access, as long as they use OAuth to authenticate.
+   *
+   * Also allows access from App Engine task-queue. Note that OAuth client ID still needs to be
+   * whitelisted in the config file for OAuth-based authentication to succeed.
+   */
+  AUTH_PUBLIC_OR_INTERNAL(
+      ImmutableList.of(AuthMethod.INTERNAL, AuthMethod.API),
+      AuthLevel.APP,
+      UserPolicy.PUBLIC),
+
   /**
    * Allows only admins or App Engine task-queue access.
    */

java/google/registry/whois/WhoisAction.java

@@ -49,7 +49,7 @@ import org.joda.time.DateTime;
  * @see WhoisHttpAction
  * @see <a href="http://www.ietf.org/rfc/rfc3912.txt">RFC 3912: WHOIS Protocol Specification</a>
  */
-@Action(path = "/_dr/whois", method = POST, auth = Auth.AUTH_INTERNAL_OR_ADMIN)
+@Action(path = "/_dr/whois", method = POST, auth = Auth.AUTH_PUBLIC_OR_INTERNAL)
 public class WhoisAction implements Runnable {
 
   private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();

javatests/google/registry/module/frontend/testdata/frontend_routing.txt

@@ -1,6 +1,6 @@
 PATH                     CLASS                       METHODS  OK AUTH_METHODS        MIN  USER_POLICY
-/_dr/epp                 EppTlsAction                POST     n  INTERNAL,API        APP  ADMIN
-/_dr/whois               WhoisAction                 POST     n  INTERNAL,API        APP  ADMIN
+/_dr/epp                 EppTlsAction                POST     n  INTERNAL,API        APP  PUBLIC
+/_dr/whois               WhoisAction                 POST     n  INTERNAL,API        APP  PUBLIC
 /check                   CheckApiAction              GET      n  INTERNAL            NONE PUBLIC
 /rdap/autnum/(*)         RdapAutnumAction            GET,HEAD n  INTERNAL            NONE PUBLIC
 /rdap/domain/(*)         RdapDomainAction            GET,HEAD n  INTERNAL,API,LEGACY NONE PUBLIC