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#! /usr/bin/env python3
# SPDX-FileCopyrightText: 2022 The Tor Project, Inc.
#
# SPDX-License-Identifier: BSD-3-Clause
import argparse
import logging
import os
import random
import ssl
import time
from aiohttp import hdrs, web
HERE_PATH = os.path.dirname(os.path.abspath(__file__))
CERT_PATH = os.path.join(HERE_PATH, "data")
RESPONSE_HEADERS = {"Content-Type": "application/octet-stream"}
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
print(logger.__dict__)
async def handle(request):
logger.debug("Request headers: %s.", request.headers)
if request.method == "GET":
logger.info("GET request with http_range: %s.", request.http_range)
if (
request.http_range.start is not None
and request.http_range.stop is not None
):
length = request.http_range.stop - request.http_range.start
# From python 3.9 replace by random.randbytes.
random_bytes = bytes(
[random.randrange(0, 256) for _ in range(0, length)]
)
return web.Response(
body=random_bytes, content_type="application/octet-stream"
)
return web.Response(body=None, content_type="application/octet-stream")
if request.method == "HEAD":
logger.info("HEAD request.")
return web.Response(
body=None,
content_type="application/octet-stream",
headers={"Content-Length": str(1024**3)},
)
if request.method == "POST":
logger.debug("Method POST")
return await handle_post_multipart(request)
async def handle_post_multipart(request):
"""
Examples:
1. HTTP POST via Content-Type multipart/form-data RFC 2388 as a file
upload::
curl -F "data=@20Mb.zero" https://localhost:28888 -O
Server receive headers::
'Host': 'localhost:28888',
'User-Agent': 'curl/7.74.0',
'Accept': '*/*',
'Content-Length': '20971730',
'Content-Type': 'multipart/form-data;
boundary=------------------------b194991f7a742a17',
And reading data server receives headers::
'Content-Disposition': 'form-data; name="data"; filename="20Mb.zero"',
'Content-Type': 'application/octet-stream',
'_boundary': b'--------------------------b194991f7a742a17',
'_content': <StreamReader 81758 bytes>,
2. HTTP POST via Content-Type multipart/form-data RFC 2388 as a raw (text)
field upload::
curl -F "data=<20Mb.zero" https://localhost:28888 -O
Server receives headers::
'Host': 'localhost:28888',
'User-Agent': 'curl/7.74.0',
'Accept': '*/*',
'Content-Length': '20971663',
'Content-Type': 'multipart/form-data;
boundary=------------------------48c320a9e28750c6',
'Expect': '100-continue'
And reading data server receives headers::
'Content-Disposition': 'form-data; name="data"',
'_boundary': b'--------------------------48c320a9e28750c6',
'_content': <StreamReader 81825 bytes>,
3. HTTP POST as HTTP MQTT binary::
curl -k --data-binary "@20Mb.zero" https://localhost:28888/post -O
It raises: ``multipart/* content type expected``.
"""
name = ""
try:
reader = await request.multipart()
logger.debug("reader %s", reader.__dict__)
expected_size = reader.headers.get(hdrs.CONTENT_LENGTH, None)
logger.debug("expected size %s", expected_size)
expected_type = reader.headers.get(hdrs.CONTENT_TYPE, None)
logger.debug("expected type %s", expected_type)
size = 0
while True:
logger.debug("next")
part = await reader.next()
if part is None:
break
logger.debug("part %s", part.__dict__)
filename = part.filename
logger.debug("filename: %s", filename)
name = part.name
logger.debug("name %s", name)
# logger.debug(part.__dict__)
start = time.monotonic()
filedata = await part.read(decode=False)
end = time.monotonic()
logger.debug("part.read %s", end - start)
size += len(filedata)
logger.debug("size filedata %s", size)
except Exception as ex:
logger.warning("Wrong multipart request: %s", ex)
return web.Response(status=400)
logger.debug("finished")
return web.Response(
text="successfully uploaded {} sized of {}\n" "".format(name, size)
)
def main():
parser = argparse.ArgumentParser(description="aiohttp server example")
parser.add_argument("-l", "--host", default="127.0.0.1")
parser.add_argument("-p", "--port", default=28888)
parser.add_argument(
"-k", "--certkey", default=os.path.join(CERT_PATH, "localhost.key")
)
parser.add_argument(
"-c", "--certfile", default=os.path.join(CERT_PATH, "localhost.crt")
)
args = parser.parse_args()
app = web.Application()
app.add_routes(
[
web.get("/", handle),
web.post("/", handle),
]
)
ssl_context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
ssl_context.load_cert_chain(args.certfile, args.certkey)
web.run_app(app, host=args.host, port=args.port, ssl_context=ssl_context)
if __name__ == "__main__":
main()
|
