refactor(server): zod int validation (#28804)

server/src/repositories/database.repository.ts

@@ -24,7 +24,7 @@ import { DB } from 'src/schema';
 import { immich_uuid_v7 } from 'src/schema/functions';
 import { ExtensionVersion, VectorExtension } from 'src/types';
 import { vectorIndexQuery } from 'src/utils/database';
-import { isValidInteger } from 'src/validation';
+import z from 'zod';
 
 export let cachedVectorExtension: VectorExtension | undefined;
 export async function getVectorExtension(runner: Kysely<DB>): Promise<VectorExtension> {
@@ -292,7 +292,13 @@ export class DatabaseRepository {
     `.execute(this.db);
 
     const dimSize = rows[0]?.dimsize;
-    if (!isValidInteger(dimSize, { min: 1, max: 2 ** 16 })) {
+    if (
+      !z
+        .int()
+        .min(1)
+        .max(2 ** 16)
+        .safeParse(dimSize).success
+    ) {
       this.logger.warn(`Could not retrieve dimension size of column '${column}' in table '${table}', assuming 512`);
       return 512;
     }
@@ -300,7 +306,13 @@ export class DatabaseRepository {
   }
 
   async setDimensionSize(dimSize: number): Promise<void> {
-    if (!isValidInteger(dimSize, { min: 1, max: 2 ** 16 })) {
+    if (
+      !z
+        .int()
+        .min(1)
+        .max(2 ** 16)
+        .safeParse(dimSize).success
+    ) {
       throw new Error(`Invalid CLIP dimension size: ${dimSize}`);
     }
 

server/src/repositories/search.repository.ts

@@ -8,7 +8,7 @@ import { DB } from 'src/schema';
 import { AssetExifTable } from 'src/schema/tables/asset-exif.table';
 import { anyUuid, searchAssetBuilder, withExifInner } from 'src/utils/database';
 import { paginationHelper } from 'src/utils/pagination';
-import { isValidInteger } from 'src/validation';
+import z from 'zod';
 
 export interface SearchAssetIdOptions {
   checksum?: Buffer;
@@ -278,7 +278,7 @@ export class SearchRepository {
     ],
   })
   searchSmart(pagination: SearchPaginationOptions, options: SmartSearchOptions) {
-    if (!isValidInteger(pagination.size, { min: 1, max: 1000 })) {
+    if (!z.int().min(1).max(1000).safeParse(pagination.size).success) {
       throw new Error(`Invalid value for 'size': ${pagination.size}`);
     }
 
@@ -313,7 +313,7 @@ export class SearchRepository {
     ],
   })
   searchFaces({ userIds, embedding, numResults, maxDistance, hasPerson, minBirthDate }: FaceEmbeddingSearch) {
-    if (!isValidInteger(numResults, { min: 1, max: 1000 })) {
+    if (!z.int().min(1).max(1000).safeParse(numResults).success) {
       throw new Error(`Invalid value for 'numResults': ${numResults}`);
     }
 

server/src/validation.ts

@@ -125,11 +125,6 @@ const FilenameParamSchema = z.object({
 
 export class FilenameParamDto extends createZodDto(FilenameParamSchema) {}
 
-export const isValidInteger = (value: number, options: { min?: number; max?: number }): value is number => {
-  const { min = Number.MIN_SAFE_INTEGER, max = Number.MAX_SAFE_INTEGER } = options;
-  return Number.isInteger(value) && value >= min && value <= max;
-};
-
 /**
  * Unified email validation
  * Converts email strings to lowercase and validates against HTML5 email regex