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Merge pull request #909 from matrix-org/erikj/shared_secret

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Add an admin option to shared secret registration (breaks backwards compat)
This commit is contained in:
Erik Johnston 2016-07-06 14:08:51 +01:00 committed by GitHub
commit f0c06ac65c
4 changed files with 74 additions and 34 deletions
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32
scripts/register_new_matrix_user
View file

@ -25,18 +25,26 @@ import urllib2
import yaml
def request_registration(user, password, server_location, shared_secret):
def request_registration(user, password, server_location, shared_secret, admin=False):
mac = hmac.new(
key=shared_secret,
msg=user,
digestmod=hashlib.sha1,
).hexdigest()
)
mac.update(user)
mac.update("\x00")
mac.update(password)
mac.update("\x00")
mac.update("admin" if admin else "notadmin")
mac = mac.hexdigest()
data = {
"user": user,
"password": password,
"mac": mac,
"type": "org.matrix.login.shared_secret",
"admin": admin,
}
server_location = server_location.rstrip("/")
@ -68,7 +76,7 @@ def request_registration(user, password, server_location, shared_secret):
sys.exit(1)
def register_new_user(user, password, server_location, shared_secret):
def register_new_user(user, password, server_location, shared_secret, admin):
if not user:
try:
default_user = getpass.getuser()
@ -99,7 +107,14 @@ def register_new_user(user, password, server_location, shared_secret):
print "Passwords do not match"
sys.exit(1)
request_registration(user, password, server_location, shared_secret)
if not admin:
admin = raw_input("Make admin [no]: ")
if admin in ("y", "yes", "true"):
admin = True
else:
admin = False
request_registration(user, password, server_location, shared_secret, bool(admin))
if __name__ == "__main__":
@ -119,6 +134,11 @@ if __name__ == "__main__":
default=None,
help="New password for user. Will prompt if omitted.",
)
parser.add_argument(
"-a", "--admin",
action="store_true",
help="Register new user as an admin. Will prompt if omitted.",
)
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument(
@ -151,4 +171,4 @@ if __name__ == "__main__":
else:
secret = args.shared_secret
register_new_user(args.user, args.password, args.server_url, secret)
register_new_user(args.user, args.password, args.server_url, secret, args.admin)

4
synapse/handlers/register.py
View file

@ -90,7 +90,8 @@ class RegistrationHandler(BaseHandler):
password=None,
generate_token=True,
guest_access_token=None,
make_guest=False
make_guest=False,
admin=False,
):
"""Registers a new client on the server.
@ -141,6 +142,7 @@ class RegistrationHandler(BaseHandler):
# If the user was a guest then they already have a profile
None if was_guest else user.localpart
),
admin=admin,
)
else:
# autogen a sequential user ID

20
synapse/rest/client/v1/register.py
View file

@ -324,6 +324,14 @@ class RegisterRestServlet(ClientV1RestServlet):
raise SynapseError(400, "Shared secret registration is not enabled")
user = register_json["user"].encode("utf-8")
password = register_json["password"].encode("utf-8")
admin = register_json.get("admin", None)
# Its important to check as we use null bytes as HMAC field separators
if "\x00" in user:
raise SynapseError(400, "Invalid user")
if "\x00" in password:
raise SynapseError(400, "Invalid password")
# str() because otherwise hmac complains that 'unicode' does not
# have the buffer interface
@ -331,17 +339,21 @@ class RegisterRestServlet(ClientV1RestServlet):
want_mac = hmac.new(
key=self.hs.config.registration_shared_secret,
msg=user,
digestmod=sha1,
).hexdigest()
password = register_json["password"].encode("utf-8")
)
want_mac.update(user)
want_mac.update("\x00")
want_mac.update(password)
want_mac.update("\x00")
want_mac.update("admin" if admin else "notadmin")
want_mac = want_mac.hexdigest()
if compare_digest(want_mac, got_mac):
handler = self.handlers.registration_handler
user_id, token = yield handler.register(
localpart=user,
password=password,
admin=bool(admin),
)
self._remove_session(session)
defer.returnValue({

52
synapse/storage/registration.py
View file

@ -77,7 +77,7 @@ class RegistrationStore(SQLBaseStore):
@defer.inlineCallbacks
def register(self, user_id, token, password_hash,
was_guest=False, make_guest=False, appservice_id=None,
create_profile_with_localpart=None):
create_profile_with_localpart=None, admin=False):
"""Attempts to register an account.
Args:
@ -104,6 +104,7 @@ class RegistrationStore(SQLBaseStore):
make_guest,
appservice_id,
create_profile_with_localpart,
admin
)
self.get_user_by_id.invalidate((user_id,))
self.is_guest.invalidate((user_id,))
@ -118,6 +119,7 @@ class RegistrationStore(SQLBaseStore):
make_guest,
appservice_id,
create_profile_with_localpart,
admin,
):
now = int(self.clock.time())
@ -125,29 +127,33 @@ class RegistrationStore(SQLBaseStore):
try:
if was_guest:
txn.execute("UPDATE users SET"
" password_hash = ?,"
" upgrade_ts = ?,"
" is_guest = ?"
" WHERE name = ?",
[password_hash, now, 1 if make_guest else 0, user_id])
self._simple_update_one_txn(
txn,
"users",
keyvalues={
"name": user_id,
},
updatevalues={
"password_hash": password_hash,
"upgrade_ts": now,
"is_guest": 1 if make_guest else 0,
"appservice_id": appservice_id,
"admin": 1 if admin else 0,
}
)
else:
txn.execute("INSERT INTO users "
"("
" name,"
" password_hash,"
" creation_ts,"
" is_guest,"
" appservice_id"
") "
"VALUES (?,?,?,?,?)",
[
user_id,
password_hash,
now,
1 if make_guest else 0,
appservice_id,
])
self._simple_insert_txn(
txn,
"users",
values={
"name": user_id,
"password_hash": password_hash,
"creation_ts": now,
"is_guest": 1 if make_guest else 0,
"appservice_id": appservice_id,
"admin": 1 if admin else 0,
}
)
except self.database_engine.module.IntegrityError:
raise StoreError(
400, "User ID already taken.", errcode=Codes.USER_IN_USE