Begin refactoring backfilling and preparation operations into setup and start adding encryption metadata to models

backend/src/models/integrationAuth.ts

@@ -14,6 +14,9 @@ import {
   INTEGRATION_CIRCLECI,
   INTEGRATION_TRAVISCI,
   INTEGRATION_SUPABASE,
+  ALGORITHM_AES_256_GCM,
+  ENCODING_SCHEME_UTF8,
+  ENCODING_SCHEME_BASE64
 } from "../variables";
 
 export interface IIntegrationAuth extends Document {
@@ -31,6 +34,9 @@ export interface IIntegrationAuth extends Document {
   accessCiphertext?: string;
   accessIV?: string;
   accessTag?: string;
+  algorithm?: 'aes-256-gcm';
+  keySize?: 256;
+  keyEncoding: 'utf8' | 'base64';
   accessExpiresAt?: Date;
 }
 
@@ -109,6 +115,24 @@ const integrationAuthSchema = new Schema<IIntegrationAuth>(
       type: Date,
       select: false,
     },
+    algorithm: { // the encryption algorithm used
+      type: String,
+      enum: [ALGORITHM_AES_256_GCM],
+      required: true
+    },
+    keySize: { // the size of the key used in the algorithm
+        type: Number,
+        enum: [256],
+        required: true
+    },
+    keyEncoding: {
+        type: String,
+        enum: [
+            ENCODING_SCHEME_UTF8,
+            ENCODING_SCHEME_BASE64
+        ],
+        required: true
+    }
   },
   {
     timestamps: true,