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|
<?php
/*
+----------------------------------------------------------------------+
| Uploadprogress extension |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Ben Ramsey (ramsey@php.net) |
+----------------------------------------------------------------------+
*/
// If the client did not include an identifier in their request, then we cannot
// look up information about the upload, so we return a "not found" error. This
// is only for the sake of example and does not imply this is how your
// application should behave.
$identifier = filter_input(INPUT_GET, 'identifier', FILTER_SANITIZE_STRING);
$fieldName = filter_input(INPUT_GET, 'fieldName', FILTER_SANITIZE_STRING);
if ($identifier === null || $fieldName === null) {
header('HTTP/1.1 404 Not Found');
exit;
}
// Retrieve information about the file and the contents received so far.
// 4KB should be enough to read the MIME type of the file.
$info = uploadprogress_get_info($identifier);
$contents = uploadprogress_get_contents($identifier, $fieldName, 4096);
if (!$info || !$contents) {
header('HTTP/1.1 500 Internal Server Error');
header('Content-Type: application/json');
$errors =[];
if (!$info) {
$errors[] = 'Received ' . var_export($info, true) . ' when calling uploadprogress_get_info()';
}
if (!$contents) {
$errors[] = 'Received ' . var_export($contents, true) . ' when calling uploadprogress_get_contents()';
}
echo json_encode([
'error' => 'An error occurred.',
'messages' => $errors,
]);
exit;
}
// Get the MIME type of the bytes uploaded, using the Fileinfo extension.
$finfo = new finfo(FILEINFO_MIME_TYPE);
$detectedMimeType = $finfo->buffer($contents);
$info = array_merge($info, [
'detectedMimeType' => $detectedMimeType,
]);
// In our example, we respond with the uploadprogress information, as well as
// the detected MIME type from the initial bytes uploaded (if we can detect it).
header('HTTP/1.1 200 OK');
header('Content-Type: application/json');
echo json_encode($info);
|
