misc: modified encryption/decryption of external kms config

backend/src/db/migrations/20240716063111_add-org-kms-data-key.ts

@@ -0,0 +1,21 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasKmsDataKeyCol = await knex.schema.hasColumn(TableName.Organization, "kmsEncryptedDataKey");
+  await knex.schema.alterTable(TableName.Organization, (tb) => {
+    if (!hasKmsDataKeyCol) {
+      tb.binary("kmsEncryptedDataKey");
+    }
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const hasKmsDataKeyCol = await knex.schema.hasColumn(TableName.Organization, "kmsEncryptedDataKey");
+  await knex.schema.alterTable(TableName.Organization, (t) => {
+    if (hasKmsDataKeyCol) {
+      t.dropColumn("kmsEncryptedDataKey");
+    }
+  });
+}

backend/src/db/schemas/organizations.ts

@@ -5,6 +5,8 @@
 
 import { z } from "zod";
 
+import { zodBuffer } from "@app/lib/zod";
+
 import { TImmutableDBKeys } from "./models";
 
 export const OrganizationsSchema = z.object({
@@ -16,7 +18,8 @@ export const OrganizationsSchema = z.object({
   updatedAt: z.date(),
   authEnforced: z.boolean().default(false).nullable().optional(),
   scimEnabled: z.boolean().default(false).nullable().optional(),
-  kmsDefaultKeyId: z.string().uuid().nullable().optional()
+  kmsDefaultKeyId: z.string().uuid().nullable().optional(),
+  kmsEncryptedDataKey: zodBuffer.nullable().optional()
 });
 
 export type TOrganizations = z.infer<typeof OrganizationsSchema>;