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https://github.com/theupdateframework/python-tuf
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73 lines
1.8 KiB
Python
Executable file
73 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright 2012 - 2017, New York University and the TUF contributors
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# SPDX-License-Identifier: MIT OR Apache-2.0
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"""
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<Program Name>
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slow_retrieval_server.py
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<Author>
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Konstantin Andrianov.
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<Started>
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March 13, 2012.
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<Copyright>
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See LICENSE-MIT OR LICENSE for licensing information.
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<Purpose>
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Server that throttles data by sending one byte at a time (specified time
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interval 'DELAY'). The server is used in 'test_slow_retrieval_attack.py'.
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"""
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# Help with Python 3 compatibility, where the print statement is a function, an
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# implicit relative import is invalid, and the '/' operator performs true
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# division. Example: print 'hello world' raises a 'SyntaxError' exception.
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from __future__ import print_function
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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import os
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import sys
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import time
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import six
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# HTTP request handler.
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class Handler(six.moves.BaseHTTPServer.BaseHTTPRequestHandler):
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# Overwrite do_GET.
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def do_GET(self):
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current_dir = os.getcwd()
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try:
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filepath = os.path.join(current_dir, self.path.lstrip('/'))
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data = None
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with open(filepath, 'r') as fileobj:
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data = fileobj.read()
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self.send_response(200)
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self.send_header('Content-length', str(len(data)))
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self.end_headers()
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# Before sending any data, the server does nothing for a long time.
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DELAY = 40
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time.sleep(DELAY)
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self.wfile.write((data.encode('utf-8')))
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except IOError as e:
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self.send_error(404, 'File Not Found!')
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if __name__ == '__main__':
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server_address = ('localhost', 0)
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httpd = six.moves.BaseHTTPServer.HTTPServer(server_address, Handler)
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port_message = 'bind succeeded, server port is: ' \
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+ str(httpd.server_address[1])
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print(port_message)
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httpd.serve_forever()
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