feat: support new auth methods for Tenants

- New Time scalar type is implemented on the Server
- Single Sign-On keys can now be generated
- Single Sign-On keys can be regenerated
- Single Sign-On keys now store the date they were generated on.
- Initial implementation of `AuthenticationTargetFilter`'s

src/core/server/services/tenant/index.ts

@@ -5,6 +5,7 @@ import { GQLSettingsInput } from "talk-server/graph/tenant/schema/__generated__/
 import {
   createTenant,
   CreateTenantInput,
+  regenerateTenantSSOKey,
   Tenant,
   updateTenant,
 } from "talk-server/models/tenant";
@@ -76,3 +77,24 @@ export async function canInstall(cache: TenantCache) {
 export async function isInstalled(cache: TenantCache) {
   return (await cache.count()) > 0;
 }
+
+/**
+ * regenerateSSOKey will regenerate the Single Sign-On key for the specified
+ * Tenant and notify all other Tenant's connected that the Tenant was updated.
+ */
+export async function regenerateSSOKey(
+  mongo: Db,
+  redis: Redis,
+  cache: TenantCache,
+  tenant: Tenant
+) {
+  const updatedTenant = await regenerateTenantSSOKey(mongo, tenant.id);
+  if (!updatedTenant) {
+    return null;
+  }
+
+  // Update the tenant cache.
+  await cache.update(redis, updatedTenant);
+
+  return updatedTenant;
+}