Fix (#1176)

apps/sim/app/api/files/presigned/route.ts

@@ -5,6 +5,7 @@ import { v4 as uuidv4 } from 'uuid'
 import { getSession } from '@/lib/auth'
 import { createLogger } from '@/lib/logs/console/logger'
 import { getStorageProvider, isUsingCloudStorage } from '@/lib/uploads'
+import { isImageFileType } from '@/lib/uploads/file-utils'
 // Dynamic imports for storage clients to avoid client-side bundling
 import {
   BLOB_CHAT_CONFIG,
@@ -112,6 +113,12 @@ export async function POST(request: NextRequest) {
       if (!sessionUserId?.trim()) {
         throw new ValidationError('Authenticated user session is required for copilot uploads')
       }
+      // Only allow image uploads for copilot
+      if (!isImageFileType(contentType)) {
+        throw new ValidationError(
+          'Only image files (JPEG, PNG, GIF, WebP, SVG) are allowed for copilot uploads'
+        )
+      }
     }
 
     if (!isUsingCloudStorage()) {

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/user-input/user-input.tsx

@@ -420,6 +420,12 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
 
       // Process files one by one
       for (const file of Array.from(fileList)) {
+        // Only accept image files
+        if (!file.type.startsWith('image/')) {
+          logger.warn(`File ${file.name} is not an image. Only image files are allowed.`)
+          continue
+        }
+
         // Create a preview URL for images
         let previewUrl: string | undefined
         if (file.type.startsWith('image/')) {
@@ -2526,7 +2532,7 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
             type='file'
             onChange={handleFileChange}
             className='hidden'
-            accept='.pdf,.doc,.docx,.txt,.md,.png,.jpg,.jpeg,.gif'
+            accept='image/*'
             multiple
             disabled={disabled || isLoading}
           />

apps/sim/lib/sim-agent/constants.ts

@@ -1 +1 @@
-export const SIM_AGENT_API_URL_DEFAULT = 'https://staging.agent.sim.ai'
+export const SIM_AGENT_API_URL_DEFAULT = 'https://agent.sim.ai'

apps/sim/lib/uploads/file-utils.ts

@@ -60,6 +60,21 @@ export function isSupportedFileType(mimeType: string): boolean {
   return mimeType.toLowerCase() in MIME_TYPE_MAPPING
 }
 
+/**
+ * Check if a MIME type is an image type (for copilot uploads)
+ */
+export function isImageFileType(mimeType: string): boolean {
+  const imageTypes = [
+    'image/jpeg',
+    'image/jpg',
+    'image/png',
+    'image/gif',
+    'image/webp',
+    'image/svg+xml',
+  ]
+  return imageTypes.includes(mimeType.toLowerCase())
+}
+
 /**
  * Convert a file buffer to base64
  */