Created
March 31, 2011 12:03
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A safe(r) upload
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| <?php | |
| if (isset($_FILES['file'])) { | |
| $file = $_FILES['file']; | |
| // what the browser says | |
| $type = $file['type']; | |
| // what the file ready is | |
| $finfo = new finfo(FILEINFO_MIME); | |
| $file['mimetype'] = $finfo->file($file['tmp_name']); | |
| unlink($file['tmp_name']); | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <meta charset=utf-8> | |
| <title>Safe(r) upload</title> | |
| <?php if (isset($file)): ?> | |
| <pre><?php print_r($file) ?></pre> | |
| <?php endif ?> | |
| <form method=POST action="" enctype="multipart/form-data"> | |
| <input type=file name=file> | |
| <input type=submit> | |
| </form> |
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| import magic | |
| from webob import Request, Response | |
| from wsgiref.simple_server import make_server | |
| def application(environ, start_response): | |
| req = Request(environ, charset='utf-8') | |
| if req.POST: | |
| file = req.POST.get('file') | |
| data = '''<pre> | |
| filename: %s | |
| type: %s | |
| mimetype: %s | |
| </pre>''' | |
| data = data % (file.filename, | |
| file.type, | |
| magic.from_buffer(file.file.read(1024), mime=True)) | |
| file.file.seek(0) | |
| else: | |
| data = '' | |
| resp = Response( | |
| ''' | |
| <!DOCTYPE html> | |
| <html> | |
| <meta charset=utf-8> | |
| <title>Safe(r) upload</title> | |
| %s | |
| <form method=POST action="" enctype="multipart/form-data"> | |
| <input type=file name=file> | |
| <input type=submit> | |
| </form> | |
| ''' % (data) | |
| ) | |
| return resp(environ, start_response) | |
| if __name__ == '__main__': | |
| httpd = make_server('', 8000, application) | |
| try: | |
| httpd.serve_forever() | |
| except KeyboardInterrupt: | |
| print '^C' |
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