Function getCorsInstructions

src/utils/urlCloudStorage.ts:150–205

(provider: CloudProvider)

 * Get provider-specific CORS setup instructions.
 */
export function getCorsInstructions(provider: CloudProvider): string {
  switch (provider) {
    case 's3':
      return `AWS S3 CORS Configuration:
1. Go to your S3 bucket in the AWS Console
2. Navigate to Permissions -> CORS configuration
3. Add a CORS rule allowing your origin:
   [
     {
       "AllowedOrigins": ["*"],
       "AllowedMethods": ["GET", "HEAD"],
       "AllowedHeaders": ["*"],
       "ExposeHeaders": ["Content-Length", "Content-Type"],
       "MaxAgeSeconds": 3600
     }
   ]
4. Save the configuration`;

    case 'gcs':
      return `Google Cloud Storage CORS Configuration:
1. Create a cors.json file:
   [
     {
       "origin": ["*"],
       "method": ["GET", "HEAD"],
       "responseHeader": ["Content-Type", "Content-Length"],
       "maxAgeSeconds": 3600
     }
   ]
2. Apply using gsutil:
   gsutil cors set cors.json gs://YOUR_BUCKET_NAME`;

    case 'r2':
      return `Cloudflare R2 CORS Configuration:
1. Go to your R2 bucket in Cloudflare Dashboard
2. Navigate to Settings -> CORS Policy
3. Add a CORS rule:
   - Allowed Origins: * (or your specific domain)
   - Allowed Methods: GET, HEAD
   - Allowed Headers: *
   - Max Age: 3600
4. Save the configuration`;

    case 'dropbox':
      return `Dropbox Sharing Setup:
1. Right-click the file/folder in Dropbox
2. Select "Share" -> "Copy link"
3. Ensure link access is set to "Anyone with the link"

Note: Dropbox automatically handles CORS for shared links.
If you're getting errors, ensure:
- The file is shared publicly (not restricted)
- The link hasn't expired
- You're using a file link, not a folder link`;
  }
}