fix(uploads): cap formdata fallback at 100MB; drop unused size param

Author: waleedlatif1

apps/sim/app/api/workspaces/[id]/files/register/route.test.ts

@@ -170,7 +170,6 @@ describe('POST /api/workspaces/[id]/files/register', () => {
       key: VALID_KEY,
       originalName: 'video.mp4',
       contentType: 'video/mp4',
-      size: 10 * 1024 * 1024,
     })
 
     expect(posthogServerMockFns.mockCaptureServerEvent).toHaveBeenCalledWith(

apps/sim/app/api/workspaces/[id]/files/register/route.ts

@@ -33,7 +33,7 @@ export const POST = withRouteHandler(
     if (!parsed.success) return parsed.response
     const { params, body } = parsed.data
     const workspaceId = params.id
-    const { key, name, size, contentType } = body
+    const { key, name, contentType } = body
 
     const permission = await getUserEntityPermissions(userId, 'workspace', workspaceId)
     if (permission !== 'admin' && permission !== 'write') {
@@ -56,7 +56,6 @@ export const POST = withRouteHandler(
         key,
         originalName: name,
         contentType,
-        size,
       })
 
       if (created) {

apps/sim/app/api/workspaces/[id]/files/route.ts

@@ -15,7 +15,7 @@ import {
   listWorkspaceFiles,
   uploadWorkspaceFile,
 } from '@/lib/uploads/contexts/workspace'
-import { MAX_WORKSPACE_FILE_SIZE } from '@/lib/uploads/shared/types'
+import { MAX_WORKSPACE_FORMDATA_FILE_SIZE } from '@/lib/uploads/shared/types'
 import { getUserEntityPermissions } from '@/lib/workspaces/permissions/utils'
 import { verifyWorkspaceMembership } from '@/app/api/workflows/utils'
 
@@ -130,10 +130,10 @@ export const POST = withRouteHandler(
 
       const fileName = rawFile.name || 'untitled.md'
 
-      if (rawFile.size > MAX_WORKSPACE_FILE_SIZE) {
+      if (rawFile.size > MAX_WORKSPACE_FORMDATA_FILE_SIZE) {
         return NextResponse.json(
           {
-            error: `File size exceeds maximum of ${MAX_WORKSPACE_FILE_SIZE} bytes (${(rawFile.size / (1024 * 1024)).toFixed(2)}MB)`,
+            error: `File size exceeds maximum of ${MAX_WORKSPACE_FORMDATA_FILE_SIZE} bytes (${(rawFile.size / (1024 * 1024)).toFixed(2)}MB)`,
           },
           { status: 413 }
         )

apps/sim/lib/uploads/contexts/workspace/workspace-file-manager.ts

@@ -290,10 +290,8 @@ export async function registerUploadedWorkspaceFile(params: {
   key: string
   originalName: string
   contentType: string
-  /** Caller-supplied size; verified against storage HEAD when cloud storage is configured. */
-  size: number
 }): Promise<RegisterUploadedWorkspaceFileResult> {
-  const { workspaceId, userId, key, originalName, contentType, size } = params
+  const { workspaceId, userId, key, originalName, contentType } = params
 
   if (!hasCloudStorage()) {
     throw new Error('Direct-upload registration requires cloud storage')

apps/sim/lib/uploads/shared/types.ts

@@ -5,6 +5,12 @@
  */
 export const MAX_WORKSPACE_FILE_SIZE = 5 * 1024 * 1024 * 1024
 
+/**
+ * Cap on the legacy FormData upload route, which buffers the whole file in
+ * worker memory. Direct-to-storage uploads use {@link MAX_WORKSPACE_FILE_SIZE}.
+ */
+export const MAX_WORKSPACE_FORMDATA_FILE_SIZE = 100 * 1024 * 1024
+
 export type StorageContext =
   | 'knowledge-base'
   | 'chat'