Skip to content
This repository has been archived by the owner on Apr 26, 2024. It is now read-only.

Commit

Permalink
Convert identity handler to async/await.
Browse files Browse the repository at this point in the history
  • Loading branch information
clokep committed May 22, 2020
1 parent 2901f54 commit 82c5b70
Show file tree
Hide file tree
Showing 3 changed files with 47 additions and 63 deletions.
1 change: 1 addition & 0 deletions changelog.d/7561.misc
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Convert the identity handler to async/await.
94 changes: 39 additions & 55 deletions synapse/handlers/identity.py
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,6 @@
from signedjson.sign import verify_signed_json
from unpaddedbase64 import decode_base64

from twisted.internet import defer
from twisted.internet.error import TimeoutError

from synapse.api.errors import (
Expand Down Expand Up @@ -60,8 +59,7 @@ def __init__(self, hs):
self.federation_http_client = hs.get_http_client()
self.hs = hs

@defer.inlineCallbacks
def threepid_from_creds(self, id_server, creds):
async def threepid_from_creds(self, id_server, creds):
"""
Retrieve and validate a threepid identifier from a "credentials" dictionary against a
given identity server
Expand Down Expand Up @@ -97,7 +95,7 @@ def threepid_from_creds(self, id_server, creds):
url = id_server + "/_matrix/identity/api/v1/3pid/getValidated3pid"

try:
data = yield self.http_client.get_json(url, query_params)
data = await self.http_client.get_json(url, query_params)
except TimeoutError:
raise SynapseError(500, "Timed out contacting identity server")
except HttpResponseException as e:
Expand All @@ -120,8 +118,7 @@ def threepid_from_creds(self, id_server, creds):
logger.info("%s reported non-validated threepid: %s", id_server, creds)
return None

@defer.inlineCallbacks
def bind_threepid(
async def bind_threepid(
self, client_secret, sid, mxid, id_server, id_access_token=None, use_v2=True
):
"""Bind a 3PID to an identity server
Expand Down Expand Up @@ -161,12 +158,12 @@ def bind_threepid(
try:
# Use the blacklisting http client as this call is only to identity servers
# provided by a client
data = yield self.blacklisting_http_client.post_json_get_json(
data = await self.blacklisting_http_client.post_json_get_json(
bind_url, bind_data, headers=headers
)

# Remember where we bound the threepid
yield self.store.add_user_bound_threepid(
await self.store.add_user_bound_threepid(
user_id=mxid,
medium=data["medium"],
address=data["address"],
Expand All @@ -185,13 +182,12 @@ def bind_threepid(
return data

logger.info("Got 404 when POSTing JSON %s, falling back to v1 URL", bind_url)
res = yield self.bind_threepid(
res = await self.bind_threepid(
client_secret, sid, mxid, id_server, id_access_token, use_v2=False
)
return res

@defer.inlineCallbacks
def try_unbind_threepid(self, mxid, threepid):
async def try_unbind_threepid(self, mxid, threepid):
"""Attempt to remove a 3PID from an identity server, or if one is not provided, all
identity servers we're aware the binding is present on
Expand All @@ -211,7 +207,7 @@ def try_unbind_threepid(self, mxid, threepid):
if threepid.get("id_server"):
id_servers = [threepid["id_server"]]
else:
id_servers = yield self.store.get_id_servers_user_bound(
id_servers = await self.store.get_id_servers_user_bound(
user_id=mxid, medium=threepid["medium"], address=threepid["address"]
)

Expand All @@ -221,14 +217,13 @@ def try_unbind_threepid(self, mxid, threepid):

changed = True
for id_server in id_servers:
changed &= yield self.try_unbind_threepid_with_id_server(
changed &= await self.try_unbind_threepid_with_id_server(
mxid, threepid, id_server
)

return changed

@defer.inlineCallbacks
def try_unbind_threepid_with_id_server(self, mxid, threepid, id_server):
async def try_unbind_threepid_with_id_server(self, mxid, threepid, id_server):
"""Removes a binding from an identity server
Args:
Expand Down Expand Up @@ -266,7 +261,7 @@ def try_unbind_threepid_with_id_server(self, mxid, threepid, id_server):
try:
# Use the blacklisting http client as this call is only to identity servers
# provided by a client
yield self.blacklisting_http_client.post_json_get_json(
await self.blacklisting_http_client.post_json_get_json(
url, content, headers
)
changed = True
Expand All @@ -281,7 +276,7 @@ def try_unbind_threepid_with_id_server(self, mxid, threepid, id_server):
except TimeoutError:
raise SynapseError(500, "Timed out contacting identity server")

yield self.store.remove_user_bound_threepid(
await self.store.remove_user_bound_threepid(
user_id=mxid,
medium=threepid["medium"],
address=threepid["address"],
Expand Down Expand Up @@ -376,8 +371,7 @@ async def send_threepid_validation(

return session_id

@defer.inlineCallbacks
def requestEmailToken(
async def requestEmailToken(
self, id_server, email, client_secret, send_attempt, next_link=None
):
"""
Expand Down Expand Up @@ -412,7 +406,7 @@ def requestEmailToken(
)

try:
data = yield self.http_client.post_json_get_json(
data = await self.http_client.post_json_get_json(
id_server + "/_matrix/identity/api/v1/validate/email/requestToken",
params,
)
Expand All @@ -423,8 +417,7 @@ def requestEmailToken(
except TimeoutError:
raise SynapseError(500, "Timed out contacting identity server")

@defer.inlineCallbacks
def requestMsisdnToken(
async def requestMsisdnToken(
self,
id_server,
country,
Expand Down Expand Up @@ -466,7 +459,7 @@ def requestMsisdnToken(
)

try:
data = yield self.http_client.post_json_get_json(
data = await self.http_client.post_json_get_json(
id_server + "/_matrix/identity/api/v1/validate/msisdn/requestToken",
params,
)
Expand All @@ -487,8 +480,7 @@ def requestMsisdnToken(
)
return data

@defer.inlineCallbacks
def validate_threepid_session(self, client_secret, sid):
async def validate_threepid_session(self, client_secret, sid):
"""Validates a threepid session with only the client secret and session ID
Tries validating against any configured account_threepid_delegates as well as locally.
Expand All @@ -510,12 +502,12 @@ def validate_threepid_session(self, client_secret, sid):
# Try to validate as email
if self.hs.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
# Ask our delegated email identity server
validation_session = yield self.threepid_from_creds(
validation_session = await self.threepid_from_creds(
self.hs.config.account_threepid_delegate_email, threepid_creds
)
elif self.hs.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
# Get a validated session matching these details
validation_session = yield self.store.get_threepid_validation_session(
validation_session = await self.store.get_threepid_validation_session(
"email", client_secret, sid=sid, validated=True
)

Expand All @@ -525,14 +517,13 @@ def validate_threepid_session(self, client_secret, sid):
# Try to validate as msisdn
if self.hs.config.account_threepid_delegate_msisdn:
# Ask our delegated msisdn identity server
validation_session = yield self.threepid_from_creds(
validation_session = await self.threepid_from_creds(
self.hs.config.account_threepid_delegate_msisdn, threepid_creds
)

return validation_session

@defer.inlineCallbacks
def proxy_msisdn_submit_token(self, id_server, client_secret, sid, token):
async def proxy_msisdn_submit_token(self, id_server, client_secret, sid, token):
"""Proxy a POST submitToken request to an identity server for verification purposes
Args:
Expand All @@ -553,20 +544,17 @@ def proxy_msisdn_submit_token(self, id_server, client_secret, sid, token):
body = {"client_secret": client_secret, "sid": sid, "token": token}

try:
return (
yield self.http_client.post_json_get_json(
id_server + "/_matrix/identity/api/v1/validate/msisdn/submitToken",
body,
)
return await self.http_client.post_json_get_json(
id_server + "/_matrix/identity/api/v1/validate/msisdn/submitToken",
body,
)
except TimeoutError:
raise SynapseError(500, "Timed out contacting identity server")
except HttpResponseException as e:
logger.warning("Error contacting msisdn account_threepid_delegate: %s", e)
raise SynapseError(400, "Error contacting the identity server")

@defer.inlineCallbacks
def lookup_3pid(self, id_server, medium, address, id_access_token=None):
async def lookup_3pid(self, id_server, medium, address, id_access_token=None):
"""Looks up a 3pid in the passed identity server.
Args:
Expand All @@ -582,7 +570,7 @@ def lookup_3pid(self, id_server, medium, address, id_access_token=None):
"""
if id_access_token is not None:
try:
results = yield self._lookup_3pid_v2(
results = await self._lookup_3pid_v2(
id_server, id_access_token, medium, address
)
return results
Expand All @@ -601,10 +589,9 @@ def lookup_3pid(self, id_server, medium, address, id_access_token=None):
logger.warning("Error when looking up hashing details: %s", e)
return None

return (yield self._lookup_3pid_v1(id_server, medium, address))
return await self._lookup_3pid_v1(id_server, medium, address)

@defer.inlineCallbacks
def _lookup_3pid_v1(self, id_server, medium, address):
async def _lookup_3pid_v1(self, id_server, medium, address):
"""Looks up a 3pid in the passed identity server using v1 lookup.
Args:
Expand All @@ -617,15 +604,15 @@ def _lookup_3pid_v1(self, id_server, medium, address):
str: the matrix ID of the 3pid, or None if it is not recognized.
"""
try:
data = yield self.blacklisting_http_client.get_json(
data = await self.blacklisting_http_client.get_json(
"%s%s/_matrix/identity/api/v1/lookup" % (id_server_scheme, id_server),
{"medium": medium, "address": address},
)

if "mxid" in data:
if "signatures" not in data:
raise AuthError(401, "No signatures on 3pid binding")
yield self._verify_any_signature(data, id_server)
await self._verify_any_signature(data, id_server)
return data["mxid"]
except TimeoutError:
raise SynapseError(500, "Timed out contacting identity server")
Expand All @@ -634,8 +621,7 @@ def _lookup_3pid_v1(self, id_server, medium, address):

return None

@defer.inlineCallbacks
def _lookup_3pid_v2(self, id_server, id_access_token, medium, address):
async def _lookup_3pid_v2(self, id_server, id_access_token, medium, address):
"""Looks up a 3pid in the passed identity server using v2 lookup.
Args:
Expand All @@ -650,7 +636,7 @@ def _lookup_3pid_v2(self, id_server, id_access_token, medium, address):
"""
# Check what hashing details are supported by this identity server
try:
hash_details = yield self.blacklisting_http_client.get_json(
hash_details = await self.blacklisting_http_client.get_json(
"%s%s/_matrix/identity/v2/hash_details" % (id_server_scheme, id_server),
{"access_token": id_access_token},
)
Expand Down Expand Up @@ -717,7 +703,7 @@ def _lookup_3pid_v2(self, id_server, id_access_token, medium, address):
headers = {"Authorization": create_id_access_token_header(id_access_token)}

try:
lookup_results = yield self.blacklisting_http_client.post_json_get_json(
lookup_results = await self.blacklisting_http_client.post_json_get_json(
"%s%s/_matrix/identity/v2/lookup" % (id_server_scheme, id_server),
{
"addresses": [lookup_value],
Expand Down Expand Up @@ -745,13 +731,12 @@ def _lookup_3pid_v2(self, id_server, id_access_token, medium, address):
mxid = lookup_results["mappings"].get(lookup_value)
return mxid

@defer.inlineCallbacks
def _verify_any_signature(self, data, server_hostname):
async def _verify_any_signature(self, data, server_hostname):
if server_hostname not in data["signatures"]:
raise AuthError(401, "No signature from server %s" % (server_hostname,))
for key_name, signature in data["signatures"][server_hostname].items():
try:
key_data = yield self.blacklisting_http_client.get_json(
key_data = await self.blacklisting_http_client.get_json(
"%s%s/_matrix/identity/api/v1/pubkey/%s"
% (id_server_scheme, server_hostname, key_name)
)
Expand All @@ -770,8 +755,7 @@ def _verify_any_signature(self, data, server_hostname):
)
return

@defer.inlineCallbacks
def ask_id_server_for_third_party_invite(
async def ask_id_server_for_third_party_invite(
self,
requester,
id_server,
Expand Down Expand Up @@ -844,7 +828,7 @@ def ask_id_server_for_third_party_invite(
# Attempt a v2 lookup
url = base_url + "/v2/store-invite"
try:
data = yield self.blacklisting_http_client.post_json_get_json(
data = await self.blacklisting_http_client.post_json_get_json(
url,
invite_config,
{"Authorization": create_id_access_token_header(id_access_token)},
Expand All @@ -864,7 +848,7 @@ def ask_id_server_for_third_party_invite(
url = base_url + "/api/v1/store-invite"

try:
data = yield self.blacklisting_http_client.post_json_get_json(
data = await self.blacklisting_http_client.post_json_get_json(
url, invite_config
)
except TimeoutError:
Expand All @@ -882,7 +866,7 @@ def ask_id_server_for_third_party_invite(
# types. This is especially true with old instances of Sydent, see
# https://github.com/matrix-org/sydent/pull/170
try:
data = yield self.blacklisting_http_client.post_urlencoded_get_json(
data = await self.blacklisting_http_client.post_urlencoded_get_json(
url, invite_config
)
except HttpResponseException as e:
Expand Down
15 changes: 7 additions & 8 deletions synapse/handlers/ui_auth/checkers.py
Original file line number Diff line number Diff line change
Expand Up @@ -138,8 +138,7 @@ def __init__(self, hs):
self.hs = hs
self.store = hs.get_datastore()

@defer.inlineCallbacks
def _check_threepid(self, medium, authdict):
async def _check_threepid(self, medium, authdict):
if "threepid_creds" not in authdict:
raise LoginError(400, "Missing threepid_creds", Codes.MISSING_PARAM)

Expand All @@ -155,18 +154,18 @@ def _check_threepid(self, medium, authdict):
raise SynapseError(
400, "Phone number verification is not enabled on this homeserver"
)
threepid = yield identity_handler.threepid_from_creds(
threepid = await identity_handler.threepid_from_creds(
self.hs.config.account_threepid_delegate_msisdn, threepid_creds
)
elif medium == "email":
if self.hs.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
assert self.hs.config.account_threepid_delegate_email
threepid = yield identity_handler.threepid_from_creds(
threepid = await identity_handler.threepid_from_creds(
self.hs.config.account_threepid_delegate_email, threepid_creds
)
elif self.hs.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
threepid = None
row = yield self.store.get_threepid_validation_session(
row = await self.store.get_threepid_validation_session(
medium,
threepid_creds["client_secret"],
sid=threepid_creds["sid"],
Expand All @@ -181,7 +180,7 @@ def _check_threepid(self, medium, authdict):
}

# Valid threepid returned, delete from the db
yield self.store.delete_threepid_session(threepid_creds["sid"])
await self.store.delete_threepid_session(threepid_creds["sid"])
else:
raise SynapseError(
400, "Email address verification is not enabled on this homeserver"
Expand Down Expand Up @@ -220,7 +219,7 @@ def is_enabled(self):
)

def check_auth(self, authdict, clientip):
return self._check_threepid("email", authdict)
return defer.ensureDeferred(self._check_threepid("email", authdict))


class MsisdnAuthChecker(UserInteractiveAuthChecker, _BaseThreepidAuthChecker):
Expand All @@ -234,7 +233,7 @@ def is_enabled(self):
return bool(self.hs.config.account_threepid_delegate_msisdn)

def check_auth(self, authdict, clientip):
return self._check_threepid("msisdn", authdict)
return defer.ensureDeferred(self._check_threepid("msisdn", authdict))


INTERACTIVE_AUTH_CHECKERS = [
Expand Down

0 comments on commit 82c5b70

Please sign in to comment.