| #!/usr/bin/env python3 |
| import json |
| import os |
| import sys |
| |
| file = __file__.split(':/cygwin')[-1] |
| http_root = os.path.dirname(os.path.dirname(os.path.abspath(os.path.dirname(file)))) |
| sys.path.insert(0, http_root) |
| |
| from urllib.parse import unquote, unquote_to_bytes |
| |
| query = os.environ.get('QUERY_STRING', '') |
| split_query = {} |
| for pair in query.split('&'): |
| split_query[unquote(pair.split('=')[0])] = '='.join(pair.split('=')[1:]) |
| |
| sys.stdout.write('Content-Type: text/html\r\n') |
| |
| origin = split_query.get('origin', 'none') |
| if origin != 'none' and '%00' not in origin: |
| sys.stdout.write('Access-Control-Allow-Origin: ') |
| sys.stdout.flush() |
| sys.stdout.buffer.write(unquote_to_bytes(origin)) |
| sys.stdout.write('\r\n') |
| |
| headers = split_query.get('headers') |
| if headers: |
| sys.stdout.write('Access-Control-Allow-Headers: ') |
| sys.stdout.flush() |
| sys.stdout.buffer.write(unquote_to_bytes(headers)) |
| sys.stdout.write('\r\n') |
| |
| methods = split_query.get('methods') |
| if methods: |
| sys.stdout.write('Access-Control-Allow-Methods: ') |
| sys.stdout.flush() |
| sys.stdout.buffer.write(unquote_to_bytes(methods)) |
| sys.stdout.write('\r\n') |
| |
| sys.stdout.write('\r\n') |
| |
| headers = {} |
| headers['get_value'] = unquote(split_query.get('get_value', '')) |
| for headername, headervalue in os.environ.items(): |
| if headername in ['CONTENT_TYPE', 'CONTENT_LENGTH']: |
| headers[headername.lower().replace('_', '-')] = headervalue |
| if not headername.startswith('HTTP_'): |
| continue |
| headers[headername[5:].lower().replace('_', '-')] = headervalue |
| |
| sys.stdout.write(json.dumps(headers)) |
