Fix federation_client to send the right Host

This appears to have stopped working since matrix.org moved to cloudflare. The
Host header should match the name of the server, not whatever is in the SRV
record.
This commit is contained in:
Richard van der Hoff 2018-06-07 18:14:08 +01:00
parent 187a546bff
commit 96bad44f87

View File

@ -18,14 +18,22 @@
from __future__ import print_function
import argparse
from urlparse import urlparse, urlunparse
import nacl.signing
import json
import base64
import requests
import sys
from requests.adapters import HTTPAdapter
import srvlookup
import yaml
# uncomment the following to enable debug logging of http requests
#from httplib import HTTPConnection
#HTTPConnection.debuglevel = 1
def encode_base64(input_bytes):
"""Encode bytes as a base64 string without any padding."""
@ -113,17 +121,6 @@ def read_signing_keys(stream):
return keys
def lookup(destination, path):
if ":" in destination:
return "https://%s%s" % (destination, path)
else:
try:
srv = srvlookup.lookup("matrix", "tcp", destination)[0]
return "https://%s:%d%s" % (srv.host, srv.port, path)
except:
return "https://%s:%d%s" % (destination, 8448, path)
def request_json(method, origin_name, origin_key, destination, path, content):
if method is None:
if content is None:
@ -152,13 +149,19 @@ def request_json(method, origin_name, origin_key, destination, path, content):
authorization_headers.append(bytes(header))
print ("Authorization: %s" % header, file=sys.stderr)
dest = lookup(destination, path)
dest = "matrix://%s%s" % (destination, path)
print ("Requesting %s" % dest, file=sys.stderr)
result = requests.request(
s = requests.Session()
s.mount("matrix://", MatrixConnectionAdapter())
result = s.request(
method=method,
url=dest,
headers={"Authorization": authorization_headers[0]},
headers={
"Host": destination,
"Authorization": authorization_headers[0]
},
verify=False,
data=content,
)
@ -242,5 +245,39 @@ def read_args_from_config(args):
args.signing_key_path = config['signing_key_path']
class MatrixConnectionAdapter(HTTPAdapter):
@staticmethod
def lookup(s):
if s[-1] == ']':
# ipv6 literal (with no port)
return s, 8448
if ":" in s:
out = s.rsplit(":",1)
try:
port = int(out[1])
except ValueError:
raise ValueError("Invalid host:port '%s'" % s)
return out[0], port
try:
srv = srvlookup.lookup("matrix", "tcp", s)[0]
return srv.host, srv.port
except:
return s, 8448
def get_connection(self, url, proxies=None):
parsed = urlparse(url)
(host, port) = self.lookup(parsed.netloc)
netloc = "%s:%d" % (host, port)
print("Connecting to %s" % (netloc,), file=sys.stderr)
url = urlunparse((
"https", netloc, parsed.path, parsed.params, parsed.query,
parsed.fragment,
))
return super(MatrixConnectionAdapter, self).get_connection(url, proxies)
if __name__ == "__main__":
main()