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- <?php
- define ('SAVE_DIR', "${_SERVER['DOCUMENT_ROOT']}/drafts/");
-
- $json = getParamJSON ();
-
- if (!(isset ($json['data'])))
- {
- sendResult (false, 'Empty query Parameter: data');
-
- exit (1);
- }
-
- if (!(preg_match ('/^data:image\/png;base64,/', $json['data'])))
- {
- sendResult (false, 'Not Allow data type: data');
-
- exit (1);
- }
-
- $data = $json['data'];
- $data = str_replace ('data:image/png;base64,', '', $data);
- $data = str_replace (' ', '+', $data);
- $image = base64_decode ($data);
-
- $file = sprintf ('%s.png', $_GET['id']);
- $result = file_put_contents (SAVE_DIR . $file, $image, LOCK_EX);
-
- setcookie ('backup', $file, time () + 60 * 60 * 24 * 30);
-
-
- function
- getParamJSON ():
- array
- {
- $buff = file_get_contents ('php://input');
- $json = json_decode ($buff, true);
-
- return ($json);
- }
-
- function
- sendResult (
- $status,
- $data):
- string
- {
- header ('Access-Control-Allow-Origin: *');
- header ('Access-Control-Allow-Headers: *');
-
- echo json_encode(["status" => $status,
- "result" => $data]);
- }
- ?>
-
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