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-rw-r--r--synapse/api/auth.py15
-rwxr-xr-xsynapse/app/homeserver.py1
-rw-r--r--synapse/config/emailconfig.py11
-rw-r--r--synapse/rest/client/v2_alpha/account.py19
-rw-r--r--synapse/rest/client/v2_alpha/account_validity.py2
-rw-r--r--synapse/storage/__init__.py44
6 files changed, 64 insertions, 28 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 0c6c93a87b..79e2808dc5 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -184,11 +184,22 @@ class Auth(object):
         return event_auth.get_public_keys(invite_event)
 
     @defer.inlineCallbacks
-    def get_user_by_req(self, request, allow_guest=False, rights="access"):
+    def get_user_by_req(
+        self,
+        request,
+        allow_guest=False,
+        rights="access",
+        allow_expired=False,
+    ):
         """ Get a registered user's ID.
 
         Args:
             request - An HTTP request with an access_token query parameter.
+            allow_expired - Whether to allow the request through even if the account is
+                expired. If true, Synapse will still require an access token to be
+                provided but won't check if the account it belongs to has expired. This
+                works thanks to /login delivering access tokens regardless of accounts'
+                expiration.
         Returns:
             defer.Deferred: resolves to a ``synapse.types.Requester`` object
         Raises:
@@ -229,7 +240,7 @@ class Auth(object):
             is_guest = user_info["is_guest"]
 
             # Deny the request if the user account has expired.
-            if self._account_validity.enabled:
+            if self._account_validity.enabled and not allow_expired:
                 user_id = user.to_string()
                 expiration_ts = yield self.store.get_expiration_ts_for_user(user_id)
                 if expiration_ts is not None and self.clock.time_msec() >= expiration_ts:
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index df524a23dd..811b547dd3 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -541,6 +541,7 @@ def run(hs):
         stats["total_room_count"] = room_count
 
         stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
+        stats["monthly_active_users"] = yield hs.get_datastore().count_monthly_users()
         stats["daily_active_rooms"] = yield hs.get_datastore().count_daily_active_rooms()
         stats["daily_messages"] = yield hs.get_datastore().count_daily_messages()
 
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index ae04252906..86018dfcce 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -19,15 +19,12 @@ from __future__ import print_function
 
 # This file can't be called email.py because if it is, we cannot:
 import email.utils
-import logging
 import os
 
 import pkg_resources
 
 from ._base import Config, ConfigError
 
-logger = logging.getLogger(__name__)
-
 
 class EmailConfig(Config):
     def read_config(self, config):
@@ -85,10 +82,12 @@ class EmailConfig(Config):
         self.email_password_reset_behaviour = (
             "remote" if email_trust_identity_server_for_password_resets else "local"
         )
+        self.password_resets_were_disabled_due_to_email_config = False
         if self.email_password_reset_behaviour == "local" and email_config == {}:
-            logger.warn(
-                "User password resets have been disabled due to lack of email config"
-            )
+            # We cannot warn the user this has happened here
+            # Instead do so when a user attempts to reset their password
+            self.password_resets_were_disabled_due_to_email_config = True
+
             self.email_password_reset_behaviour = "off"
 
         # Get lifetime of a validation token in milliseconds
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index e4c63b69b9..7cfd7ae7dc 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -68,7 +68,13 @@ class EmailPasswordRequestTokenRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_POST(self, request):
         if self.config.email_password_reset_behaviour == "off":
-            raise SynapseError(400, "Password resets have been disabled on this server")
+            if self.config.password_resets_were_disabled_due_to_email_config:
+                logger.warn(
+                    "User password resets have been disabled due to lack of email config"
+                )
+            raise SynapseError(
+                400, "Email-based password resets have been disabled on this server",
+            )
 
         body = parse_json_object_from_request(request)
 
@@ -196,9 +202,6 @@ class MsisdnPasswordRequestTokenRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request):
-        if not self.config.email_password_reset_behaviour == "off":
-            raise SynapseError(400, "Password resets have been disabled on this server")
-
         body = parse_json_object_from_request(request)
 
         assert_params_in_dict(body, [
@@ -251,6 +254,14 @@ class PasswordResetSubmitTokenServlet(RestServlet):
                 400,
                 "This medium is currently not supported for password resets",
             )
+        if self.config.email_password_reset_behaviour == "off":
+            if self.config.password_resets_were_disabled_due_to_email_config:
+                logger.warn(
+                    "User password resets have been disabled due to lack of email config"
+                )
+            raise SynapseError(
+                400, "Email-based password resets have been disabled on this server",
+            )
 
         sid = parse_string(request, "sid")
         client_secret = parse_string(request, "client_secret")
diff --git a/synapse/rest/client/v2_alpha/account_validity.py b/synapse/rest/client/v2_alpha/account_validity.py
index 55c4ed5660..63bdc33564 100644
--- a/synapse/rest/client/v2_alpha/account_validity.py
+++ b/synapse/rest/client/v2_alpha/account_validity.py
@@ -79,7 +79,7 @@ class AccountValiditySendMailServlet(RestServlet):
         if not self.account_validity.renew_by_email_enabled:
             raise AuthError(403, "Account renewal via email is disabled on this server.")
 
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, allow_expired=True)
         user_id = requester.user.to_string()
         yield self.account_activity_handler.send_renewal_email_to_user(user_id)
 
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 71316f7d09..0ca6f6121f 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -279,23 +279,37 @@ class DataStore(
         """
         Counts the number of users who used this homeserver in the last 24 hours.
         """
+        yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
+        return self.runInteraction("count_daily_users", self._count_users, yesterday,)
 
-        def _count_users(txn):
-            yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
-
-            sql = """
-                SELECT COALESCE(count(*), 0) FROM (
-                    SELECT user_id FROM user_ips
-                    WHERE last_seen > ?
-                    GROUP BY user_id
-                ) u
-            """
-
-            txn.execute(sql, (yesterday,))
-            count, = txn.fetchone()
-            return count
+    def count_monthly_users(self):
+        """
+        Counts the number of users who used this homeserver in the last 30 days.
+        Note this method is intended for phonehome metrics only and is different
+        from the mau figure in synapse.storage.monthly_active_users which,
+        amongst other things, includes a 3 day grace period before a user counts.
+        """
+        thirty_days_ago = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
+        return self.runInteraction(
+            "count_monthly_users",
+            self._count_users,
+            thirty_days_ago,
+        )
 
-        return self.runInteraction("count_users", _count_users)
+    def _count_users(self, txn, time_from):
+        """
+        Returns number of users seen in the past time_from period
+        """
+        sql = """
+            SELECT COALESCE(count(*), 0) FROM (
+                SELECT user_id FROM user_ips
+                WHERE last_seen > ?
+                GROUP BY user_id
+            ) u
+        """
+        txn.execute(sql, (time_from,))
+        count, = txn.fetchone()
+        return count
 
     def count_r30_users(self):
         """