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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-05-23 16:04:30 +0100
committerGitHub <noreply@github.com>2018-05-23 16:04:30 +0100
commit2f7008d4eb63043147d1525ad57cf5a4578dcc3b (patch)
treee8d8b097aa8f180dfc3671a4781d39aa8ab88be4
parentfix typo (diff)
parentSupport for putting %(consent_uri)s in messages (diff)
downloadsynapse-2f7008d4eb63043147d1525ad57cf5a4578dcc3b.tar.xz
Merge pull request #3271 from matrix-org/rav/consent_uri_in_messages
Support for putting %(consent_uri)s in messages
-rw-r--r--synapse/config/consent_config.py11
-rw-r--r--synapse/handlers/message.py5
-rw-r--r--synapse/server_notices/consent_server_notices.py41
3 files changed, 50 insertions, 7 deletions
diff --git a/synapse/config/consent_config.py b/synapse/config/consent_config.py
index 44c4711e6c..ddcd305f4c 100644
--- a/synapse/config/consent_config.py
+++ b/synapse/config/consent_config.py
@@ -43,10 +43,13 @@ DEFAULT_CONFIG = """\
 #   version: 1.0
 #   server_notice_content:
 #     msgtype: m.text
-#     body: |
-#       Pls do consent kthx
-#   block_events_error: |
-#     You can't send any messages until you consent to the privacy policy.
+#     body: >-
+#       To continue using this homeserver you must review and agree to the
+#       terms and conditions at %(consent_uri)s
+#   block_events_error: >-
+#     To continue using this homeserver you must review and agree to the
+#     terms and conditions at %(consent_uri)s
+#
 """
 
 
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index c3adbc6c95..0886607023 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -575,8 +575,11 @@ class EventCreationHandler(object):
             return
 
         consent_uri = self._consent_uri_builder.build_user_consent_uri(user_id)
+        msg = self.config.block_events_without_consent_error % {
+            'consent_uri': consent_uri,
+        }
         raise ConsentNotGivenError(
-            msg=self.config.block_events_without_consent_error,
+            msg=msg,
             consent_uri=consent_uri,
         )
 
diff --git a/synapse/server_notices/consent_server_notices.py b/synapse/server_notices/consent_server_notices.py
index 440f6b1cd4..a709802856 100644
--- a/synapse/server_notices/consent_server_notices.py
+++ b/synapse/server_notices/consent_server_notices.py
@@ -14,10 +14,13 @@
 # limitations under the License.
 import logging
 
+from six import (iteritems, string_types)
 from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
+from synapse.api.urls import ConsentURIBuilder
 from synapse.config import ConfigError
+from synapse.types import get_localpart_from_id
 
 logger = logging.getLogger(__name__)
 
@@ -52,6 +55,8 @@ class ConsentServerNotices(object):
                     "key.",
                 )
 
+            self._consent_uri_builder = ConsentURIBuilder(hs.config)
+
     @defer.inlineCallbacks
     def maybe_send_server_notice_to_user(self, user_id):
         """Check if we need to send a notice to this user, and does so if so
@@ -81,10 +86,18 @@ class ConsentServerNotices(object):
                 # we've already sent a notice to the user
                 return
 
-            # need to send a message
+            # need to send a message.
             try:
+                consent_uri = self._consent_uri_builder.build_user_consent_uri(
+                    get_localpart_from_id(user_id),
+                )
+                content = copy_with_str_subst(
+                    self._server_notice_content, {
+                        'consent_uri': consent_uri,
+                    },
+                )
                 yield self._server_notices_manager.send_notice(
-                    user_id, self._server_notice_content,
+                    user_id, content,
                 )
                 yield self._store.user_set_consent_server_notice_sent(
                     user_id, self._current_consent_version,
@@ -93,3 +106,27 @@ class ConsentServerNotices(object):
                 logger.error("Error sending server notice about user consent: %s", e)
         finally:
             self._users_in_progress.remove(user_id)
+
+
+def copy_with_str_subst(x, substitutions):
+    """Deep-copy a structure, carrying out string substitions on any strings
+
+    Args:
+        x (object): structure to be copied
+        substitutions (object): substitutions to be made - passed into the
+            string '%' operator
+
+    Returns:
+        copy of x
+    """
+    if isinstance(x, string_types):
+        return x % substitutions
+    if isinstance(x, dict):
+        return {
+            k: copy_with_str_subst(v, substitutions) for (k, v) in iteritems(x)
+        }
+    if isinstance(x, (list, tuple)):
+        return [copy_with_str_subst(y) for y in x]
+
+    # assume it's uninterested and can be shallow-copied.
+    return x