RDAP: Add link to static TOS page

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=219332975

java/google/registry/config/RegistryConfig.java

@@ -1225,6 +1225,18 @@ public final class RegistryConfig {
       return ImmutableList.copyOf(Splitter.on('\n').split(config.registryPolicy.rdapTos));
     }
 
+    /**
+     * Link to static Web page with RDAP terms of service. Displayed in RDAP responses.
+     *
+     * @see google.registry.rdap.RdapJsonFormatter
+     */
+    @Provides
+    @Config("rdapTosStaticUrl")
+    @Nullable
+    public static String provideRdapTosStaticUrl(RegistryConfigSettings config) {
+      return config.registryPolicy.rdapTosStaticUrl;
+    }
+
     /**
      * Returns the help text to be used by RDAP.
      *
@@ -1235,11 +1247,15 @@ public final class RegistryConfig {
     @Provides
     @Config("rdapHelpMap")
     public static ImmutableMap<String, RdapNoticeDescriptor> provideRdapHelpMap(
-        @Config("rdapTos") ImmutableList<String> rdapTos) {
+        @Config("rdapTos") ImmutableList<String> rdapTos,
+        @Config("rdapTosStaticUrl") @Nullable String rdapTosStaticUrl) {
       return new ImmutableMap.Builder<String, RdapNoticeDescriptor>()
-          .put("/", RdapNoticeDescriptor.builder()
+          .put(
+              "/",
+              RdapNoticeDescriptor.builder()
                   .setTitle("RDAP Help")
-              .setDescription(ImmutableList.of(
+                  .setDescription(
+                      ImmutableList.of(
                           "domain/XXXX",
                           "nameserver/XXXX",
                           "entity/XXXX",
@@ -1252,12 +1268,16 @@ public final class RegistryConfig {
                           "entities?handle=XXXX",
                           "help/XXXX"))
                   .setLinkValueSuffix("help/")
-              .setLinkHrefUrlString("https://github.com/google/nomulus/blob/master/docs/rdap.md")
+                  .setLinkHrefUrlString(
+                      "https://github.com/google/nomulus/blob/master/docs/rdap.md")
                   .build())
-          .put("/tos", RdapNoticeDescriptor.builder()
+          .put(
+              "/tos",
+              RdapNoticeDescriptor.builder()
                   .setTitle("RDAP Terms of Service")
                   .setDescription(rdapTos)
                   .setLinkValueSuffix("help/tos")
+                  .setLinkHrefUrlString(rdapTosStaticUrl)
                   .build())
           .build();
     }

java/google/registry/config/RegistryConfigSettings.java

@@ -88,6 +88,7 @@ public class RegistryConfigSettings {
     public String reservedTermsExportDisclaimer;
     public String whoisDisclaimer;
     public String rdapTos;
+    public String rdapTosStaticUrl;
     public String spec11EmailBodyTemplate;
   }
 

java/google/registry/config/files/default-config.yaml

@@ -145,6 +145,10 @@ registryPolicy:
 
     We reserve the right to modify this agreement at any time.
 
+  # Link to static Web page with RDAP terms of service. Displayed in RDAP
+  # responses. If null, no static Web page link is generated.
+  rdapTosStaticUrl: null
+
   # Body of the spec 11 email sent to registrars.
   # Items in braces are to be replaced.
   spec11EmailBodyTemplate: |