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sign_request -> build_auth_headers (#4408)

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Just got very confused about the fact that the headers are only an output, not
an input.
This commit is contained in:
Richard van der Hoff 2019-01-17 12:40:09 +00:00 committed by GitHub
parent 3982a6ee07
commit 9feb5d0b71
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 15 deletions
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1
changelog.d/4408.misc Normal file
View File

@ -0,0 +1 @@
Refactor 'sign_request' as 'build_auth_headers'

9
synapse/handlers/identity.py
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@ -167,18 +167,21 @@ class IdentityHandler(BaseHandler):
"mxid": mxid,
"threepid": threepid,
}
headers = {}
# we abuse the federation http client to sign the request, but we have to send it
# using the normal http client since we don't want the SRV lookup and want normal
# 'browser-like' HTTPS.
self.federation_http_client.sign_request(
auth_headers = self.federation_http_client.build_auth_headers(
destination=None,
method='POST',
url_bytes='/_matrix/identity/api/v1/3pid/unbind'.encode('ascii'),
headers_dict=headers,
content=content,
destination_is=id_server,
)
headers = {
b"Authorization": auth_headers,
}
try:
yield self.http_client.post_json_get_json(
url,

23
synapse/http/matrixfederationclient.py
View File

@ -298,9 +298,9 @@ class MatrixFederationHttpClient(object):
json = request.get_json()
if json:
headers_dict[b"Content-Type"] = [b"application/json"]
self.sign_request(
auth_headers = self.build_auth_headers(
destination_bytes, method_bytes, url_to_sign_bytes,
headers_dict, json,
json,
)
data = encode_canonical_json(json)
producer = FileBodyProducer(
@ -309,11 +309,12 @@ class MatrixFederationHttpClient(object):
)
else:
producer = None
self.sign_request(
auth_headers = self.build_auth_headers(
destination_bytes, method_bytes, url_to_sign_bytes,
headers_dict,
)
headers_dict[b"Authorization"] = auth_headers
logger.info(
"{%s} [%s] Sending request: %s %s",
request.txn_id, request.destination, request.method,
@ -440,24 +441,23 @@ class MatrixFederationHttpClient(object):
defer.returnValue(response)
def sign_request(self, destination, method, url_bytes, headers_dict,
content=None, destination_is=None):
def build_auth_headers(
self, destination, method, url_bytes, content=None, destination_is=None,
):
"""
Signs a request by adding an Authorization header to headers_dict
Builds the Authorization headers for a federation request
Args:
destination (bytes|None): The desination home server of the request.
May be None if the destination is an identity server, in which case
destination_is must be non-None.
method (bytes): The HTTP method of the request
url_bytes (bytes): The URI path of the request
headers_dict (dict[bytes, list[bytes]]): Dictionary of request headers to
append to
content (object): The body of the request
destination_is (bytes): As 'destination', but if the destination is an
identity server
Returns:
None
list[bytes]: a list of headers to be added as "Authorization:" headers
"""
request = {
"method": method,
@ -484,8 +484,7 @@ class MatrixFederationHttpClient(object):
self.server_name, key, sig,
)).encode('ascii')
)
headers_dict[b"Authorization"] = auth_headers
return auth_headers
@defer.inlineCallbacks
def put_json(self, destination, path, args={}, data={},