Function uploadLargeFilesToProvider

apps/sim/providers/file-attachments.server.ts:108–133

(
  request: ProviderRequest,
  providerId: ProviderId | string
)

 * and BYOK keys both work.
 */
export async function uploadLargeFilesToProvider(
  request: ProviderRequest,
  providerId: ProviderId | string
): Promise<void> {
  if (getProviderFileStrategy(providerId) !== 'files-api') return

  const groups = groupUploadableFiles(request.messages)
  if (groups.length === 0) return

  const maxBytes = getProviderAttachmentMaxBytes(providerId)
  const ai = providerId === 'google' ? new GoogleGenAI({ apiKey: request.apiKey }) : null

  for (const group of groups) {
    const [representative] = group
    await assertFileAccessForUpload(representative, request.userId)
    if (providerId === 'openai') {
      await uploadOpenAIFile(representative, request.apiKey, maxBytes, request.abortSignal)
    } else if (ai) {
      await uploadGeminiFile(representative, ai, maxBytes, request.abortSignal)
    }
    for (const file of group) {
      file.providerFileId = representative.providerFileId
      file.providerFileUri = representative.providerFileUri
    }
  }
}

/**
 * Verifies the caller may read this file before its bytes are uploaded to a provider. Enforced