DB 마이그레이션 스크립트 재생성 및 간단한 이미지/비디오 뷰어 구현

src/lib/server/db/file.ts

@@ -21,6 +21,7 @@ export interface NewFileParams {
   mekVersion: number;
   encDek: string;
   dekVersion: Date;
+  contentType: string;
   encContentIv: string;
   encName: string;
   encNameIv: string;
@@ -137,6 +138,7 @@ export const registerNewFile = async (params: NewFileParams) => {
       createdAt: now,
       userId: params.userId,
       mekVersion: params.mekVersion,
+      contentType: params.contentType,
       encDek: params.encDek,
       dekVersion: params.dekVersion,
       encContentIv: params.encContentIv,

src/lib/server/db/schema/file.ts

@@ -47,6 +47,7 @@ export const file = sqliteTable(
     mekVersion: integer("master_encryption_key_version").notNull(),
     encDek: text("encrypted_data_encryption_key").notNull().unique(), // Base64
     dekVersion: integer("data_encryption_key_version", { mode: "timestamp_ms" }).notNull(),
+    contentType: text("content_type").notNull(),
     encContentIv: text("encrypted_content_iv").notNull(), // Base64
     encName: ciphertext("encrypted_name").notNull(),
   },

src/lib/server/schemas/file.ts

@@ -1,3 +1,4 @@
+import mime from "mime";
 import { z } from "zod";
 
 export const fileRenameRequest = z.object({
@@ -12,6 +13,10 @@ export const fileInfoResponse = z.object({
   mekVersion: z.number().int().positive(),
   dek: z.string().base64().nonempty(),
   dekVersion: z.date(),
+  contentType: z
+    .string()
+    .nonempty()
+    .refine((value) => mime.getExtension(value) !== null), // MIME type
   contentIv: z.string().base64().nonempty(),
   name: z.string().base64().nonempty(),
   nameIv: z.string().base64().nonempty(),
@@ -23,6 +28,10 @@ export const fileUploadRequest = z.object({
   mekVersion: z.number().int().positive(),
   dek: z.string().base64().nonempty(),
   dekVersion: z.coerce.date(),
+  contentType: z
+    .string()
+    .nonempty()
+    .refine((value) => mime.getExtension(value) !== null), // MIME type
   contentIv: z.string().base64().nonempty(),
   name: z.string().base64().nonempty(),
   nameIv: z.string().base64().nonempty(),

src/lib/server/services/file.ts

@@ -83,6 +83,7 @@ export const getFileInformation = async (userId: number, fileId: number) => {
     mekVersion: file.mekVersion,
     encDek: file.encDek,
     dekVersion: file.dekVersion,
+    contentType: file.contentType,
     encContentIv: file.encContentIv,
     encName: file.encName,
   };