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function file_download_headers in Drupal 6

Same name and namespace in other branches
  1. 7 includes/file.inc \file_download_headers()

Retrieves headers for a private file download.

Calls all module implementations of hook_file_download() to retrieve headers for files by the module that originally provided the file. The presence of returned headers indicates the current user has access to the file.

Parameters

$filepath: The path for the file whose headers should be retrieved.

Return value

If access is allowed, headers for the file, suitable for passing to file_transfer(). If access is not allowed, an empty array will be returned.

See also

file_transfer()

file_download_access()

hook_file_downlaod()

Related topics

2 calls to file_download_headers()
file_download in includes/file.inc
Call modules that implement hook_file_download() to find out if a file is accessible and what headers it should be transferred with. If a module returns -1 drupal_access_denied() will be returned. If one or more modules returned headers the download…
file_download_access in includes/file.inc
Checks that the current user has access to a particular file.

File

includes/file.inc, line 1006
API for handling file uploads and server file management.

Code

function file_download_headers($filepath) {
  $headers = module_invoke_all('file_download', $filepath);
  if (in_array(-1, $headers)) {

    // Throw away the headers received so far.
    $headers = array();
  }
  return $headers;
}