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-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/api/auth.py49
-rw-r--r--synapse/config/logger.py1
-rw-r--r--synapse/config/registration.py6
-rw-r--r--synapse/federation/transaction_queue.py7
-rw-r--r--synapse/handlers/auth.py41
-rw-r--r--synapse/handlers/register.py5
-rw-r--r--synapse/http/matrixfederationclient.py48
-rw-r--r--synapse/rest/client/v1/login.py28
-rw-r--r--synapse/rest/client/v1/register.py12
-rw-r--r--synapse/rest/client/v2_alpha/devices.py6
-rw-r--r--synapse/rest/client/v2_alpha/keys.py10
-rw-r--r--synapse/rest/client/v2_alpha/register.py29
-rw-r--r--synapse/rest/client/v2_alpha/sendtodevice.py2
-rw-r--r--synapse/rest/client/v2_alpha/tokenrefresh.py26
-rw-r--r--synapse/rest/media/v1/preview_url_resource.py2
-rw-r--r--synapse/storage/__init__.py1
-rw-r--r--synapse/storage/registration.py66
-rw-r--r--synapse/storage/schema/delta/39/federation_out_position.sql2
-rw-r--r--synapse/util/retryutils.py2
20 files changed, 116 insertions, 229 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 432567a110..f32c28be02 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.18.4"
+__version__ = "0.18.5-rc2"
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 69b3392735..ddab210718 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -39,6 +39,9 @@ AuthEventTypes = (
     EventTypes.ThirdPartyInvite,
 )
 
+# guests always get this device id.
+GUEST_DEVICE_ID = "guest_device"
+
 
 class Auth(object):
     """
@@ -51,17 +54,6 @@ class Auth(object):
         self.store = hs.get_datastore()
         self.state = hs.get_state_handler()
         self.TOKEN_NOT_FOUND_HTTP_STATUS = 401
-        # Docs for these currently lives at
-        # github.com/matrix-org/matrix-doc/blob/master/drafts/macaroons_caveats.rst
-        # In addition, we have type == delete_pusher which grants access only to
-        # delete pushers.
-        self._KNOWN_CAVEAT_PREFIXES = set([
-            "gen = ",
-            "guest = ",
-            "type = ",
-            "time < ",
-            "user_id = ",
-        ])
 
     @defer.inlineCallbacks
     def check_from_context(self, event, context, do_sig_check=True):
@@ -728,7 +720,8 @@ class Auth(object):
                     "user": user,
                     "is_guest": True,
                     "token_id": None,
-                    "device_id": None,
+                    # all guests get the same device id
+                    "device_id": GUEST_DEVICE_ID,
                 }
             elif rights == "delete_pusher":
                 # We don't store these tokens in the database
@@ -798,27 +791,38 @@ class Auth(object):
 
         Args:
             macaroon(pymacaroons.Macaroon): The macaroon to validate
-            type_string(str): The kind of token required (e.g. "access", "refresh",
+            type_string(str): The kind of token required (e.g. "access",
                               "delete_pusher")
             verify_expiry(bool): Whether to verify whether the macaroon has expired.
-                This should really always be True, but no clients currently implement
-                token refresh, so we can't enforce expiry yet.
             user_id (str): The user_id required
         """
         v = pymacaroons.Verifier()
+
+        # the verifier runs a test for every caveat on the macaroon, to check
+        # that it is met for the current request. Each caveat must match at
+        # least one of the predicates specified by satisfy_exact or
+        # specify_general.
         v.satisfy_exact("gen = 1")
         v.satisfy_exact("type = " + type_string)
         v.satisfy_exact("user_id = %s" % user_id)
         v.satisfy_exact("guest = true")
+
+        # verify_expiry should really always be True, but there exist access
+        # tokens in the wild which expire when they should not, so we can't
+        # enforce expiry yet (so we have to allow any caveat starting with
+        # 'time < ' in access tokens).
+        #
+        # On the other hand, short-term login tokens (as used by CAS login, for
+        # example) have an expiry time which we do want to enforce.
+
         if verify_expiry:
             v.satisfy_general(self._verify_expiry)
         else:
             v.satisfy_general(lambda c: c.startswith("time < "))
 
-        v.verify(macaroon, self.hs.config.macaroon_secret_key)
+        # access_tokens include a nonce for uniqueness: any value is acceptable
+        v.satisfy_general(lambda c: c.startswith("nonce = "))
 
-        v = pymacaroons.Verifier()
-        v.satisfy_general(self._verify_recognizes_caveats)
         v.verify(macaroon, self.hs.config.macaroon_secret_key)
 
     def _verify_expiry(self, caveat):
@@ -829,15 +833,6 @@ class Auth(object):
         now = self.hs.get_clock().time_msec()
         return now < expiry
 
-    def _verify_recognizes_caveats(self, caveat):
-        first_space = caveat.find(" ")
-        if first_space < 0:
-            return False
-        second_space = caveat.find(" ", first_space + 1)
-        if second_space < 0:
-            return False
-        return caveat[:second_space + 1] in self._KNOWN_CAVEAT_PREFIXES
-
     @defer.inlineCallbacks
     def _look_up_user_by_access_token(self, token):
         ret = yield self.store.get_user_by_access_token(token)
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index dc68683fbc..ec72c95436 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -50,6 +50,7 @@ handlers:
   console:
     class: logging.StreamHandler
     formatter: precise
+    filters: [context]
 
 loggers:
     synapse:
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index cc3f879857..87e500c97a 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -32,7 +32,6 @@ class RegistrationConfig(Config):
             )
 
         self.registration_shared_secret = config.get("registration_shared_secret")
-        self.user_creation_max_duration = int(config["user_creation_max_duration"])
 
         self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
         self.trusted_third_party_id_servers = config["trusted_third_party_id_servers"]
@@ -55,11 +54,6 @@ class RegistrationConfig(Config):
         # secret, even if registration is otherwise disabled.
         registration_shared_secret: "%(registration_shared_secret)s"
 
-        # Sets the expiry for the short term user creation in
-        # milliseconds. For instance the bellow duration is two weeks
-        # in milliseconds.
-        user_creation_max_duration: 1209600000
-
         # Set the number of bcrypt rounds used to generate password hash.
         # Larger numbers increase the work factor needed to generate the hash.
         # The default number of rounds is 12.
diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py
index c94c74a67e..51b656d74a 100644
--- a/synapse/federation/transaction_queue.py
+++ b/synapse/federation/transaction_queue.py
@@ -462,6 +462,13 @@ class TransactionQueue(object):
                     code = e.code
                     response = e.response
 
+                    if e.code == 429 or 500 <= e.code:
+                        logger.info(
+                            "TX [%s] {%s} got %d response",
+                            destination, txn_id, code
+                        )
+                        raise e
+
                 logger.info(
                     "TX [%s] {%s} got %d response",
                     destination, txn_id, code
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 51e7616fcc..3b146f09d6 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -388,12 +388,10 @@ class AuthHandler(BaseHandler):
         return self._check_password(user_id, password)
 
     @defer.inlineCallbacks
-    def get_login_tuple_for_user_id(self, user_id, device_id=None,
-                                    initial_display_name=None):
+    def get_access_token_for_user_id(self, user_id, device_id=None,
+                                     initial_display_name=None):
         """
-        Gets login tuple for the user with the given user ID.
-
-        Creates a new access/refresh token for the user.
+        Creates a new access token for the user with the given user ID.
 
         The user is assumed to have been authenticated by some other
         machanism (e.g. CAS), and the user_id converted to the canonical case.
@@ -408,16 +406,13 @@ class AuthHandler(BaseHandler):
             initial_display_name (str): display name to associate with the
                device if it needs re-registering
         Returns:
-            A tuple of:
               The access token for the user's session.
-              The refresh token for the user's session.
         Raises:
             StoreError if there was a problem storing the token.
             LoginError if there was an authentication problem.
         """
         logger.info("Logging in user %s on device %s", user_id, device_id)
         access_token = yield self.issue_access_token(user_id, device_id)
-        refresh_token = yield self.issue_refresh_token(user_id, device_id)
 
         # the device *should* have been registered before we got here; however,
         # it's possible we raced against a DELETE operation. The thing we
@@ -428,7 +423,7 @@ class AuthHandler(BaseHandler):
                 user_id, device_id, initial_display_name
             )
 
-        defer.returnValue((access_token, refresh_token))
+        defer.returnValue(access_token)
 
     @defer.inlineCallbacks
     def check_user_exists(self, user_id):
@@ -539,35 +534,19 @@ class AuthHandler(BaseHandler):
                                                   device_id)
         defer.returnValue(access_token)
 
-    @defer.inlineCallbacks
-    def issue_refresh_token(self, user_id, device_id=None):
-        refresh_token = self.generate_refresh_token(user_id)
-        yield self.store.add_refresh_token_to_user(user_id, refresh_token,
-                                                   device_id)
-        defer.returnValue(refresh_token)
-
-    def generate_access_token(self, user_id, extra_caveats=None,
-                              duration_in_ms=(60 * 60 * 1000)):
+    def generate_access_token(self, user_id, extra_caveats=None):
         extra_caveats = extra_caveats or []
         macaroon = self._generate_base_macaroon(user_id)
         macaroon.add_first_party_caveat("type = access")
-        now = self.hs.get_clock().time_msec()
-        expiry = now + duration_in_ms
-        macaroon.add_first_party_caveat("time < %d" % (expiry,))
+        # Include a nonce, to make sure that each login gets a different
+        # access token.
+        macaroon.add_first_party_caveat("nonce = %s" % (
+            stringutils.random_string_with_symbols(16),
+        ))
         for caveat in extra_caveats:
             macaroon.add_first_party_caveat(caveat)
         return macaroon.serialize()
 
-    def generate_refresh_token(self, user_id):
-        m = self._generate_base_macaroon(user_id)
-        m.add_first_party_caveat("type = refresh")
-        # Important to add a nonce, because otherwise every refresh token for a
-        # user will be the same.
-        m.add_first_party_caveat("nonce = %s" % (
-            stringutils.random_string_with_symbols(16),
-        ))
-        return m.serialize()
-
     def generate_short_term_login_token(self, user_id, duration_in_ms=(2 * 60 * 1000)):
         macaroon = self._generate_base_macaroon(user_id)
         macaroon.add_first_party_caveat("type = login")
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 7e119f13b1..886fec8701 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -369,7 +369,7 @@ class RegistrationHandler(BaseHandler):
         defer.returnValue(data)
 
     @defer.inlineCallbacks
-    def get_or_create_user(self, requester, localpart, displayname, duration_in_ms,
+    def get_or_create_user(self, requester, localpart, displayname,
                            password_hash=None):
         """Creates a new user if the user does not exist,
         else revokes all previous access tokens and generates a new one.
@@ -399,8 +399,7 @@ class RegistrationHandler(BaseHandler):
 
         user = UserID(localpart, self.hs.hostname)
         user_id = user.to_string()
-        token = self.auth_handler().generate_access_token(
-            user_id, None, duration_in_ms)
+        token = self.auth_handler().generate_access_token(user_id)
 
         if need_register:
             yield self.store.register(
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index d0556ae347..d5970c05a8 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -33,6 +33,7 @@ from synapse.api.errors import (
 
 from signedjson.sign import sign_json
 
+import cgi
 import simplejson as json
 import logging
 import random
@@ -292,12 +293,7 @@ class MatrixFederationHttpClient(object):
 
         if 200 <= response.code < 300:
             # We need to update the transactions table to say it was sent?
-            c_type = response.headers.getRawHeaders("Content-Type")
-
-            if "application/json" not in c_type:
-                raise RuntimeError(
-                    "Content-Type not application/json"
-                )
+            check_content_type_is_json(response.headers)
 
         body = yield preserve_context_over_fn(readBody, response)
         defer.returnValue(json.loads(body))
@@ -342,12 +338,7 @@ class MatrixFederationHttpClient(object):
 
         if 200 <= response.code < 300:
             # We need to update the transactions table to say it was sent?
-            c_type = response.headers.getRawHeaders("Content-Type")
-
-            if "application/json" not in c_type:
-                raise RuntimeError(
-                    "Content-Type not application/json"
-                )
+            check_content_type_is_json(response.headers)
 
         body = yield preserve_context_over_fn(readBody, response)
 
@@ -400,12 +391,7 @@ class MatrixFederationHttpClient(object):
 
         if 200 <= response.code < 300:
             # We need to update the transactions table to say it was sent?
-            c_type = response.headers.getRawHeaders("Content-Type")
-
-            if "application/json" not in c_type:
-                raise RuntimeError(
-                    "Content-Type not application/json"
-                )
+            check_content_type_is_json(response.headers)
 
         body = yield preserve_context_over_fn(readBody, response)
 
@@ -525,3 +511,29 @@ def _flatten_response_never_received(e):
         )
     else:
         return "%s: %s" % (type(e).__name__, e.message,)
+
+
+def check_content_type_is_json(headers):
+    """
+    Check that a set of HTTP headers have a Content-Type header, and that it
+    is application/json.
+
+    Args:
+        headers (twisted.web.http_headers.Headers): headers to check
+
+    Raises:
+        RuntimeError if the
+
+    """
+    c_type = headers.getRawHeaders("Content-Type")
+    if c_type is None:
+        raise RuntimeError(
+            "No Content-Type header"
+        )
+
+    c_type = c_type[0]  # only the first header
+    val, options = cgi.parse_header(c_type)
+    if val != "application/json":
+        raise RuntimeError(
+            "Content-Type not application/json: was '%s'" % c_type
+        )
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index 345018a8fc..093bc072f4 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -137,16 +137,13 @@ class LoginRestServlet(ClientV1RestServlet):
             password=login_submission["password"],
         )
         device_id = yield self._register_device(user_id, login_submission)
-        access_token, refresh_token = (
-            yield auth_handler.get_login_tuple_for_user_id(
-                user_id, device_id,
-                login_submission.get("initial_device_display_name")
-            )
+        access_token = yield auth_handler.get_access_token_for_user_id(
+            user_id, device_id,
+            login_submission.get("initial_device_display_name"),
         )
         result = {
             "user_id": user_id,  # may have changed
             "access_token": access_token,
-            "refresh_token": refresh_token,
             "home_server": self.hs.hostname,
             "device_id": device_id,
         }
@@ -161,16 +158,13 @@ class LoginRestServlet(ClientV1RestServlet):
             yield auth_handler.validate_short_term_login_token_and_get_user_id(token)
         )
         device_id = yield self._register_device(user_id, login_submission)
-        access_token, refresh_token = (
-            yield auth_handler.get_login_tuple_for_user_id(
-                user_id, device_id,
-                login_submission.get("initial_device_display_name")
-            )
+        access_token = yield auth_handler.get_access_token_for_user_id(
+            user_id, device_id,
+            login_submission.get("initial_device_display_name"),
         )
         result = {
             "user_id": user_id,  # may have changed
             "access_token": access_token,
-            "refresh_token": refresh_token,
             "home_server": self.hs.hostname,
             "device_id": device_id,
         }
@@ -207,16 +201,14 @@ class LoginRestServlet(ClientV1RestServlet):
             device_id = yield self._register_device(
                 registered_user_id, login_submission
             )
-            access_token, refresh_token = (
-                yield auth_handler.get_login_tuple_for_user_id(
-                    registered_user_id, device_id,
-                    login_submission.get("initial_device_display_name")
-                )
+            access_token = yield auth_handler.get_access_token_for_user_id(
+                registered_user_id, device_id,
+                login_submission.get("initial_device_display_name"),
             )
+
             result = {
                 "user_id": registered_user_id,
                 "access_token": access_token,
-                "refresh_token": refresh_token,
                 "home_server": self.hs.hostname,
             }
         else:
diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1/register.py
index b5a76fefac..ecf7e311a9 100644
--- a/synapse/rest/client/v1/register.py
+++ b/synapse/rest/client/v1/register.py
@@ -384,7 +384,6 @@ class CreateUserRestServlet(ClientV1RestServlet):
     def __init__(self, hs):
         super(CreateUserRestServlet, self).__init__(hs)
         self.store = hs.get_datastore()
-        self.direct_user_creation_max_duration = hs.config.user_creation_max_duration
         self.handlers = hs.get_handlers()
 
     @defer.inlineCallbacks
@@ -418,18 +417,8 @@ class CreateUserRestServlet(ClientV1RestServlet):
         if "displayname" not in user_json:
             raise SynapseError(400, "Expected 'displayname' key.")
 
-        if "duration_seconds" not in user_json:
-            raise SynapseError(400, "Expected 'duration_seconds' key.")
-
         localpart = user_json["localpart"].encode("utf-8")
         displayname = user_json["displayname"].encode("utf-8")
-        duration_seconds = 0
-        try:
-            duration_seconds = int(user_json["duration_seconds"])
-        except ValueError:
-            raise SynapseError(400, "Failed to parse 'duration_seconds'")
-        if duration_seconds > self.direct_user_creation_max_duration:
-            duration_seconds = self.direct_user_creation_max_duration
         password_hash = user_json["password_hash"].encode("utf-8") \
             if user_json.get("password_hash") else None
 
@@ -438,7 +427,6 @@ class CreateUserRestServlet(ClientV1RestServlet):
             requester=requester,
             localpart=localpart,
             displayname=displayname,
-            duration_in_ms=(duration_seconds * 1000),
             password_hash=password_hash
         )
 
diff --git a/synapse/rest/client/v2_alpha/devices.py b/synapse/rest/client/v2_alpha/devices.py
index 3ba0b0fc07..a1feaf3d54 100644
--- a/synapse/rest/client/v2_alpha/devices.py
+++ b/synapse/rest/client/v2_alpha/devices.py
@@ -39,7 +39,7 @@ class DevicesRestServlet(servlet.RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
         devices = yield self.device_handler.get_devices_by_user(
             requester.user.to_string()
         )
@@ -63,7 +63,7 @@ class DeviceRestServlet(servlet.RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, device_id):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
         device = yield self.device_handler.get_device(
             requester.user.to_string(),
             device_id,
@@ -99,7 +99,7 @@ class DeviceRestServlet(servlet.RestServlet):
 
     @defer.inlineCallbacks
     def on_PUT(self, request, device_id):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
 
         body = servlet.parse_json_object_from_request(request)
         yield self.device_handler.update_device(
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index f185f9a774..08b7c99d57 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -65,7 +65,7 @@ class KeyUploadServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, device_id):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
         user_id = requester.user.to_string()
         body = parse_json_object_from_request(request)
 
@@ -150,7 +150,7 @@ class KeyQueryServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, user_id, device_id):
-        yield self.auth.get_user_by_req(request)
+        yield self.auth.get_user_by_req(request, allow_guest=True)
         timeout = parse_integer(request, "timeout", 10 * 1000)
         body = parse_json_object_from_request(request)
         result = yield self.e2e_keys_handler.query_devices(body, timeout)
@@ -158,7 +158,7 @@ class KeyQueryServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id, device_id):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
         timeout = parse_integer(request, "timeout", 10 * 1000)
         auth_user_id = requester.user.to_string()
         user_id = user_id if user_id else auth_user_id
@@ -204,7 +204,7 @@ class OneTimeKeyServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id, device_id, algorithm):
-        yield self.auth.get_user_by_req(request)
+        yield self.auth.get_user_by_req(request, allow_guest=True)
         timeout = parse_integer(request, "timeout", 10 * 1000)
         result = yield self.e2e_keys_handler.claim_one_time_keys(
             {"one_time_keys": {user_id: {device_id: algorithm}}},
@@ -214,7 +214,7 @@ class OneTimeKeyServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, user_id, device_id, algorithm):
-        yield self.auth.get_user_by_req(request)
+        yield self.auth.get_user_by_req(request, allow_guest=True)
         timeout = parse_integer(request, "timeout", 10 * 1000)
         body = parse_json_object_from_request(request)
         result = yield self.e2e_keys_handler.claim_one_time_keys(
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 6cfb20866b..3e7a285e10 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -15,6 +15,7 @@
 
 from twisted.internet import defer
 
+import synapse
 from synapse.api.auth import get_access_token_from_request, has_access_token
 from synapse.api.constants import LoginType
 from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError
@@ -100,12 +101,14 @@ class RegisterRestServlet(RestServlet):
     def on_POST(self, request):
         yield run_on_reactor()
 
+        body = parse_json_object_from_request(request)
+
         kind = "user"
         if "kind" in request.args:
             kind = request.args["kind"][0]
 
         if kind == "guest":
-            ret = yield self._do_guest_registration()
+            ret = yield self._do_guest_registration(body)
             defer.returnValue(ret)
             return
         elif kind != "user":
@@ -113,8 +116,6 @@ class RegisterRestServlet(RestServlet):
                 "Do not understand membership kind: %s" % (kind,)
             )
 
-        body = parse_json_object_from_request(request)
-
         # we do basic sanity checks here because the auth layer will store these
         # in sessions. Pull out the username/password provided to us.
         desired_password = None
@@ -373,8 +374,7 @@ class RegisterRestServlet(RestServlet):
     def _create_registration_details(self, user_id, params):
         """Complete registration of newly-registered user
 
-        Allocates device_id if one was not given; also creates access_token
-        and refresh_token.
+        Allocates device_id if one was not given; also creates access_token.
 
         Args:
             (str) user_id: full canonical @user:id
@@ -385,8 +385,8 @@ class RegisterRestServlet(RestServlet):
         """
         device_id = yield self._register_device(user_id, params)
 
-        access_token, refresh_token = (
-            yield self.auth_handler.get_login_tuple_for_user_id(
+        access_token = (
+            yield self.auth_handler.get_access_token_for_user_id(
                 user_id, device_id=device_id,
                 initial_display_name=params.get("initial_device_display_name")
             )
@@ -396,7 +396,6 @@ class RegisterRestServlet(RestServlet):
             "user_id": user_id,
             "access_token": access_token,
             "home_server": self.hs.hostname,
-            "refresh_token": refresh_token,
             "device_id": device_id,
         })
 
@@ -421,20 +420,28 @@ class RegisterRestServlet(RestServlet):
         )
 
     @defer.inlineCallbacks
-    def _do_guest_registration(self):
+    def _do_guest_registration(self, params):
         if not self.hs.config.allow_guest_access:
             defer.returnValue((403, "Guest access is disabled"))
         user_id, _ = yield self.registration_handler.register(
             generate_token=False,
             make_guest=True
         )
+
+        # we don't allow guests to specify their own device_id, because
+        # we have nowhere to store it.
+        device_id = synapse.api.auth.GUEST_DEVICE_ID
+        initial_display_name = params.get("initial_device_display_name")
+        self.device_handler.check_device_registered(
+            user_id, device_id, initial_display_name
+        )
+
         access_token = self.auth_handler.generate_access_token(
             user_id, ["guest = true"]
         )
-        # XXX the "guest" caveat is not copied by /tokenrefresh. That's ok
-        # so long as we don't return a refresh_token here.
         defer.returnValue((200, {
             "user_id": user_id,
+            "device_id": device_id,
             "access_token": access_token,
             "home_server": self.hs.hostname,
         }))
diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
index ac660669f3..d607bd2970 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -50,7 +50,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
 
     @defer.inlineCallbacks
     def _put(self, request, message_type, txn_id):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_guest=True)
 
         content = parse_json_object_from_request(request)
 
diff --git a/synapse/rest/client/v2_alpha/tokenrefresh.py b/synapse/rest/client/v2_alpha/tokenrefresh.py
index 0d312c91d4..6e76b9e9c2 100644
--- a/synapse/rest/client/v2_alpha/tokenrefresh.py
+++ b/synapse/rest/client/v2_alpha/tokenrefresh.py
@@ -15,8 +15,8 @@
 
 from twisted.internet import defer
 
-from synapse.api.errors import AuthError, StoreError, SynapseError
-from synapse.http.servlet import RestServlet, parse_json_object_from_request
+from synapse.api.errors import AuthError
+from synapse.http.servlet import RestServlet
 
 from ._base import client_v2_patterns
 
@@ -30,30 +30,10 @@ class TokenRefreshRestServlet(RestServlet):
 
     def __init__(self, hs):
         super(TokenRefreshRestServlet, self).__init__()
-        self.hs = hs
-        self.store = hs.get_datastore()
 
     @defer.inlineCallbacks
     def on_POST(self, request):
-        body = parse_json_object_from_request(request)
-        try:
-            old_refresh_token = body["refresh_token"]
-            auth_handler = self.hs.get_auth_handler()
-            refresh_result = yield self.store.exchange_refresh_token(
-                old_refresh_token, auth_handler.generate_refresh_token
-            )
-            (user_id, new_refresh_token, device_id) = refresh_result
-            new_access_token = yield auth_handler.issue_access_token(
-                user_id, device_id
-            )
-            defer.returnValue((200, {
-                "access_token": new_access_token,
-                "refresh_token": new_refresh_token,
-            }))
-        except KeyError:
-            raise SynapseError(400, "Missing required key 'refresh_token'.")
-        except StoreError:
-            raise AuthError(403, "Did not recognize refresh token")
+        raise AuthError(403, "tokenrefresh is no longer supported.")
 
 
 def register_servlets(hs, http_server):
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 33f35fb44e..6a5a57102f 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -543,5 +543,5 @@ def summarize_paragraphs(text_nodes, min_size=200, max_size=500):
 
         # We always add an ellipsis because at the very least
         # we chopped mid paragraph.
-        description = new_desc.strip() + "…"
+        description = new_desc.strip() + u"…"
     return description if description else None
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 9996f195a0..db146ed348 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -120,7 +120,6 @@ class DataStore(RoomMemberStore, RoomStore,
         self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")
         self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id")
         self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id")
-        self._refresh_tokens_id_gen = IdGenerator(db_conn, "refresh_tokens", "id")
         self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id")
         self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id")
         self._push_rules_enable_id_gen = IdGenerator(db_conn, "push_rules_enable", "id")
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index e404fa72de..983a8ec52b 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -68,31 +68,6 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
             desc="add_access_token_to_user",
         )
 
-    @defer.inlineCallbacks
-    def add_refresh_token_to_user(self, user_id, token, device_id=None):
-        """Adds a refresh token for the given user.
-
-        Args:
-            user_id (str): The user ID.
-            token (str): The new refresh token to add.
-            device_id (str): ID of the device to associate with the access
-               token
-        Raises:
-            StoreError if there was a problem adding this.
-        """
-        next_id = self._refresh_tokens_id_gen.get_next()
-
-        yield self._simple_insert(
-            "refresh_tokens",
-            {
-                "id": next_id,
-                "user_id": user_id,
-                "token": token,
-                "device_id": device_id,
-            },
-            desc="add_refresh_token_to_user",
-        )
-
     def register(self, user_id, token=None, password_hash=None,
                  was_guest=False, make_guest=False, appservice_id=None,
                  create_profile_with_localpart=None, admin=False):
@@ -353,47 +328,6 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
             token
         )
 
-    def exchange_refresh_token(self, refresh_token, token_generator):
-        """Exchange a refresh token for a new one.
-
-        Doing so invalidates the old refresh token - refresh tokens are single
-        use.
-
-        Args:
-            refresh_token (str): The refresh token of a user.
-            token_generator (fn: str -> str): Function which, when given a
-                user ID, returns a unique refresh token for that user. This
-                function must never return the same value twice.
-        Returns:
-            tuple of (user_id, new_refresh_token, device_id)
-        Raises:
-            StoreError if no user was found with that refresh token.
-        """
-        return self.runInteraction(
-            "exchange_refresh_token",
-            self._exchange_refresh_token,
-            refresh_token,
-            token_generator
-        )
-
-    def _exchange_refresh_token(self, txn, old_token, token_generator):
-        sql = "SELECT user_id, device_id FROM refresh_tokens WHERE token = ?"
-        txn.execute(sql, (old_token,))
-        rows = self.cursor_to_dict(txn)
-        if not rows:
-            raise StoreError(403, "Did not recognize refresh token")
-        user_id = rows[0]["user_id"]
-        device_id = rows[0]["device_id"]
-
-        # TODO(danielwh): Maybe perform a validation on the macaroon that
-        # macaroon.user_id == user_id.
-
-        new_token = token_generator(user_id)
-        sql = "UPDATE refresh_tokens SET token = ? WHERE token = ?"
-        txn.execute(sql, (new_token, old_token,))
-
-        return user_id, new_token, device_id
-
     @defer.inlineCallbacks
     def is_server_admin(self, user):
         res = yield self._simple_select_one_onecol(
diff --git a/synapse/storage/schema/delta/39/federation_out_position.sql b/synapse/storage/schema/delta/39/federation_out_position.sql
index edbd8e132f..5af814290b 100644
--- a/synapse/storage/schema/delta/39/federation_out_position.sql
+++ b/synapse/storage/schema/delta/39/federation_out_position.sql
@@ -19,4 +19,4 @@
  );
 
  INSERT INTO federation_stream_position (type, stream_id) VALUES ('federation', -1);
- INSERT INTO federation_stream_position (type, stream_id) VALUES ('events', -1);
+ INSERT INTO federation_stream_position (type, stream_id) SELECT 'events', coalesce(max(stream_ordering), -1) FROM events;
diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py
index 46ef5a8ec7..e2de7fce91 100644
--- a/synapse/util/retryutils.py
+++ b/synapse/util/retryutils.py
@@ -123,7 +123,7 @@ class RetryDestinationLimiter(object):
     def __exit__(self, exc_type, exc_val, exc_tb):
         valid_err_code = False
         if exc_type is not None and issubclass(exc_type, CodeMessageException):
-            valid_err_code = 0 <= exc_val.code < 500
+            valid_err_code = exc_val.code != 429 and 0 <= exc_val.code < 500
 
         if exc_type is None or valid_err_code:
             # We connected successfully.
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-22 08:35:51 +0000