Function handleCloudProxy

apps/sim/app/api/files/serve/[...path]/route.ts:220–285

(
  cloudKey: string,
  userId: string,
  raw = false,
  versioned = false,
  signal: AbortSignal | undefined = undefined
)

}

async function handleCloudProxy(
  cloudKey: string,
  userId: string,
  raw = false,
  versioned = false,
  signal: AbortSignal | undefined = undefined
): Promise<NextResponse> {
  const ownerKey = `user:${userId}`
  try {
    const context = inferContextFromKey(cloudKey)
    logger.info(`Inferred context: ${context} from key pattern: ${cloudKey}`)

    const hasAccess = await verifyFileAccess(
      cloudKey,
      userId,
      undefined, // customConfig
      context, // context
      false // isLocal
    )

    if (!hasAccess) {
      logger.warn('Unauthorized cloud file access attempt', { userId, key: cloudKey, context })
      throw new FileNotFoundError(`File not found: ${cloudKey}`)
    }

    let rawBuffer: Buffer

    if (context === 'copilot') {
      rawBuffer = await CopilotFiles.downloadCopilotFile(cloudKey)
    } else {
      rawBuffer = await downloadFile({
        key: cloudKey,
        context,
      })
    }

    const segment = cloudKey.split('/').pop() || 'download'
    const displayName = stripStorageKeyPrefix(segment)
    const workspaceId = getWorkspaceIdForCompile(cloudKey)
    const { buffer: fileBuffer, contentType } = await compileDocumentIfNeeded(
      rawBuffer,
      displayName,
      workspaceId,
      raw,
      ownerKey,
      signal
    )

    logger.info('Cloud file served', {
      userId,
      key: cloudKey,
      size: fileBuffer.length,
      context,
    })

    return createFileResponse({
      buffer: fileBuffer,
      contentType,