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-rw-r--r--synapse/rest/client/transactions.py42
-rw-r--r--synapse/rest/client/v1/presence.py8
-rw-r--r--synapse/rest/client/v2_alpha/sync.py4
-rw-r--r--synapse/rest/consent/consent_resource.py26
4 files changed, 49 insertions, 31 deletions
diff --git a/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py
index fceca2edeb..20fa6678ef 100644
--- a/synapse/rest/client/transactions.py
+++ b/synapse/rest/client/transactions.py
@@ -19,6 +19,7 @@ import logging
 
 from synapse.api.auth import get_access_token_from_request
 from synapse.util.async import ObservableDeferred
+from synapse.util.logcontext import make_deferred_yieldable, run_in_background
 
 logger = logging.getLogger(__name__)
 
@@ -80,27 +81,26 @@ class HttpTransactionCache(object):
         Returns:
             Deferred which resolves to a tuple of (response_code, response_dict).
         """
-        try:
-            return self.transactions[txn_key][0].observe()
-        except (KeyError, IndexError):
-            pass  # execute the function instead.
-
-        deferred = fn(*args, **kwargs)
-
-        # if the request fails with a Twisted failure, remove it
-        # from the transaction map. This is done to ensure that we don't
-        # cache transient errors like rate-limiting errors, etc.
-        def remove_from_map(err):
-            self.transactions.pop(txn_key, None)
-            return err
-        deferred.addErrback(remove_from_map)
-
-        # We don't add any other errbacks to the raw deferred, so we ask
-        # ObservableDeferred to swallow the error. This is fine as the error will
-        # still be reported to the observers.
-        observable = ObservableDeferred(deferred, consumeErrors=True)
-        self.transactions[txn_key] = (observable, self.clock.time_msec())
-        return observable.observe()
+        if txn_key in self.transactions:
+            observable = self.transactions[txn_key][0]
+        else:
+            # execute the function instead.
+            deferred = run_in_background(fn, *args, **kwargs)
+
+            observable = ObservableDeferred(deferred)
+            self.transactions[txn_key] = (observable, self.clock.time_msec())
+
+            # if the request fails with an exception, remove it
+            # from the transaction map. This is done to ensure that we don't
+            # cache transient errors like rate-limiting errors, etc.
+            def remove_from_map(err):
+                self.transactions.pop(txn_key, None)
+                # we deliberately do not propagate the error any further, as we
+                # expect the observers to have reported it.
+
+            deferred.addErrback(remove_from_map)
+
+        return make_deferred_yieldable(observable.observe())
 
     def _cleanup(self):
         now = self.clock.time_msec()
diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
index 4a73813c58..647994bd53 100644
--- a/synapse/rest/client/v1/presence.py
+++ b/synapse/rest/client/v1/presence.py
@@ -23,6 +23,8 @@ from synapse.handlers.presence import format_user_presence_state
 from synapse.http.servlet import parse_json_object_from_request
 from .base import ClientV1RestServlet, client_path_patterns
 
+from six import string_types
+
 import logging
 
 logger = logging.getLogger(__name__)
@@ -71,7 +73,7 @@ class PresenceStatusRestServlet(ClientV1RestServlet):
 
             if "status_msg" in content:
                 state["status_msg"] = content.pop("status_msg")
-                if not isinstance(state["status_msg"], basestring):
+                if not isinstance(state["status_msg"], string_types):
                     raise SynapseError(400, "status_msg must be a string.")
 
             if content:
@@ -129,7 +131,7 @@ class PresenceListRestServlet(ClientV1RestServlet):
 
         if "invite" in content:
             for u in content["invite"]:
-                if not isinstance(u, basestring):
+                if not isinstance(u, string_types):
                     raise SynapseError(400, "Bad invite value.")
                 if len(u) == 0:
                     continue
@@ -140,7 +142,7 @@ class PresenceListRestServlet(ClientV1RestServlet):
 
         if "drop" in content:
             for u in content["drop"]:
-                if not isinstance(u, basestring):
+                if not isinstance(u, string_types):
                     raise SynapseError(400, "Bad drop value.")
                 if len(u) == 0:
                     continue
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index eb91c0b293..a291cffbf1 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -85,6 +85,7 @@ class SyncRestServlet(RestServlet):
         self.clock = hs.get_clock()
         self.filtering = hs.get_filtering()
         self.presence_handler = hs.get_presence_handler()
+        self._server_notices_sender = hs.get_server_notices_sender()
 
     @defer.inlineCallbacks
     def on_GET(self, request):
@@ -149,6 +150,9 @@ class SyncRestServlet(RestServlet):
         else:
             since_token = None
 
+        # send any outstanding server notices to the user.
+        yield self._server_notices_sender.on_user_syncing(user.to_string())
+
         affect_presence = set_presence != PresenceState.OFFLINE
 
         if affect_presence:
diff --git a/synapse/rest/consent/consent_resource.py b/synapse/rest/consent/consent_resource.py
index d791302278..724911d1e6 100644
--- a/synapse/rest/consent/consent_resource.py
+++ b/synapse/rest/consent/consent_resource.py
@@ -95,8 +95,8 @@ class ConsentResource(Resource):
         # this is required by the request_handler wrapper
         self.clock = hs.get_clock()
 
-        consent_config = hs.config.consent_config
-        if consent_config is None:
+        self._default_consent_version = hs.config.user_consent_version
+        if self._default_consent_version is None:
             raise ConfigError(
                 "Consent resource is enabled but user_consent section is "
                 "missing in config file.",
@@ -104,7 +104,7 @@ class ConsentResource(Resource):
 
         # daemonize changes the cwd to /, so make the path absolute now.
         consent_template_directory = path.abspath(
-            consent_config["template_dir"],
+            hs.config.user_consent_template_dir,
         )
         if not path.isdir(consent_template_directory):
             raise ConfigError(
@@ -114,9 +114,10 @@ class ConsentResource(Resource):
             )
 
         loader = jinja2.FileSystemLoader(consent_template_directory)
-        self._jinja_env = jinja2.Environment(loader=loader)
-
-        self._default_consent_verison = consent_config["default_version"]
+        self._jinja_env = jinja2.Environment(
+            loader=loader,
+            autoescape=jinja2.select_autoescape(['html', 'htm', 'xml']),
+        )
 
         if hs.config.form_secret is None:
             raise ConfigError(
@@ -131,6 +132,7 @@ class ConsentResource(Resource):
         return NOT_DONE_YET
 
     @wrap_html_request_handler
+    @defer.inlineCallbacks
     def _async_render_GET(self, request):
         """
         Args:
@@ -138,16 +140,26 @@ class ConsentResource(Resource):
         """
 
         version = parse_string(request, "v",
-                               default=self._default_consent_verison)
+                               default=self._default_consent_version)
         username = parse_string(request, "u", required=True)
         userhmac = parse_string(request, "h", required=True)
 
         self._check_hash(username, userhmac)
 
+        if username.startswith('@'):
+            qualified_user_id = username
+        else:
+            qualified_user_id = UserID(username, self.hs.hostname).to_string()
+
+        u = yield self.store.get_user_by_id(qualified_user_id)
+        if u is None:
+            raise NotFoundError("Unknown user")
+
         try:
             self._render_template(
                 request, "%s.html" % (version,),
                 user=username, userhmac=userhmac, version=version,
+                has_consented=(u["consent_version"] == version),
             )
         except TemplateNotFound:
             raise NotFoundError("Unknown policy version")