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-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/api/auth.py25
-rw-r--r--synapse/config/_base.py44
-rw-r--r--synapse/handlers/auth.py2
4 files changed, 47 insertions, 26 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index f0eac97bab..5a83f5f3ec 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.11.0"
+__version__ = "0.11.0-r1"
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 8111b34428..4a13f7e2e1 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -587,10 +587,7 @@ class Auth(object):
     def _get_user_from_macaroon(self, macaroon_str):
         try:
             macaroon = pymacaroons.Macaroon.deserialize(macaroon_str)
-            self.validate_macaroon(
-                macaroon, "access",
-                [lambda c: c.startswith("time < ")]
-            )
+            self.validate_macaroon(macaroon, "access", False)
 
             user_prefix = "user_id = "
             user = None
@@ -638,22 +635,34 @@ class Auth(object):
                 errcode=Codes.UNKNOWN_TOKEN
             )
 
-    def validate_macaroon(self, macaroon, type_string, additional_validation_functions):
+    def validate_macaroon(self, macaroon, type_string, verify_expiry):
+        """
+        validate that a Macaroon is understood by and was signed by this server.
+
+        Args:
+            macaroon(pymacaroons.Macaroon): The macaroon to validate
+            type_string(str): The kind of token this is (e.g. "access", "refresh")
+            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.
+        """
         v = pymacaroons.Verifier()
         v.satisfy_exact("gen = 1")
         v.satisfy_exact("type = " + type_string)
         v.satisfy_general(lambda c: c.startswith("user_id = "))
         v.satisfy_exact("guest = true")
+        if verify_expiry:
+            v.satisfy_general(self._verify_expiry)
+        else:
+            v.satisfy_general(lambda c: c.startswith("time < "))
 
-        for validation_function in additional_validation_functions:
-            v.satisfy_general(validation_function)
         v.verify(macaroon, self.hs.config.macaroon_secret_key)
 
         v = pymacaroons.Verifier()
         v.satisfy_general(self._verify_recognizes_caveats)
         v.verify(macaroon, self.hs.config.macaroon_secret_key)
 
-    def verify_expiry(self, caveat):
+    def _verify_expiry(self, caveat):
         prefix = "time < "
         if not caveat.startswith(prefix):
             return False
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
index c18e0bdbb8..d0c9972445 100644
--- a/synapse/config/_base.py
+++ b/synapse/config/_base.py
@@ -25,18 +25,29 @@ class ConfigError(Exception):
     pass
 
 
-class Config(object):
+# We split these messages out to allow packages to override with package
+# specific instructions.
+MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS = """\
+Please opt in or out of reporting anonymized homeserver usage statistics, by
+setting the `report_stats` key in your config file to either True or False.
+"""
+
+MISSING_REPORT_STATS_SPIEL = """\
+We would really appreciate it if you could help our project out by reporting
+anonymized usage statistics from your homeserver. Only very basic aggregate
+data (e.g. number of users) will be reported, but it helps us to track the
+growth of the Matrix community, and helps us to make Matrix a success, as well
+as to convince other networks that they should peer with us.
+
+Thank you.
+"""
+
+MISSING_SERVER_NAME = """\
+Missing mandatory `server_name` config option.
+"""
 
-    stats_reporting_begging_spiel = (
-        "We would really appreciate it if you could help our project out by"
-        " reporting anonymized usage statistics from your homeserver. Only very"
-        " basic aggregate data (e.g. number of users) will be reported, but it"
-        " helps us to track the growth of the Matrix community, and helps us to"
-        " make Matrix a success, as well as to convince other networks that they"
-        " should peer with us."
-        "\nThank you."
-    )
 
+class Config(object):
     @staticmethod
     def parse_size(value):
         if isinstance(value, int) or isinstance(value, long):
@@ -215,7 +226,7 @@ class Config(object):
             if config_args.report_stats is None:
                 config_parser.error(
                     "Please specify either --report-stats=yes or --report-stats=no\n\n" +
-                    cls.stats_reporting_begging_spiel
+                    MISSING_REPORT_STATS_SPIEL
                 )
             if not config_files:
                 config_parser.error(
@@ -290,6 +301,10 @@ class Config(object):
             yaml_config = cls.read_config_file(config_file)
             specified_config.update(yaml_config)
 
+        if "server_name" not in specified_config:
+            sys.stderr.write("\n" + MISSING_SERVER_NAME + "\n")
+            sys.exit(1)
+
         server_name = specified_config["server_name"]
         _, config = obj.generate_config(
             config_dir_path=config_dir_path,
@@ -299,11 +314,8 @@ class Config(object):
         config.update(specified_config)
         if "report_stats" not in config:
             sys.stderr.write(
-                "Please opt in or out of reporting anonymized homeserver usage "
-                "statistics, by setting the report_stats key in your config file "
-                " ( " + config_path + " ) " +
-                "to either True or False.\n\n" +
-                Config.stats_reporting_begging_spiel + "\n")
+                "\n" + MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + "\n" +
+                MISSING_REPORT_STATS_SPIEL + "\n")
             sys.exit(1)
 
         if generate_keys:
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index be157e2bb7..e64b67cdfd 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -407,7 +407,7 @@ class AuthHandler(BaseHandler):
         try:
             macaroon = pymacaroons.Macaroon.deserialize(login_token)
             auth_api = self.hs.get_auth()
-            auth_api.validate_macaroon(macaroon, "login", [auth_api.verify_expiry])
+            auth_api.validate_macaroon(macaroon, "login", True)
             return self._get_user_from_macaroon(macaroon)
         except (pymacaroons.exceptions.MacaroonException, TypeError, ValueError):
             raise AuthError(401, "Invalid token", errcode=Codes.UNKNOWN_TOKEN)