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-rw-r--r--synapse/federation/federation_server.py3
-rw-r--r--synapse/handlers/e2e_keys.py52
-rw-r--r--synapse/handlers/e2e_room_keys.py28
-rw-r--r--synapse/rest/client/v2_alpha/keys.py13
-rw-r--r--synapse/storage/e2e_room_keys.py14
-rw-r--r--synapse/storage/end_to_end_keys.py38
6 files changed, 141 insertions, 7 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index d216c46dfe..9286ca3202 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -43,6 +43,7 @@ from synapse.federation.persistence import TransactionActions
 from synapse.federation.units import Edu, Transaction
 from synapse.http.endpoint import parse_server_name
 from synapse.logging.context import nested_logging_context
+from synapse.logging.opentracing import log_kv, trace
 from synapse.logging.utils import log_function
 from synapse.replication.http.federation import (
     ReplicationFederationSendEduRestServlet,
@@ -507,6 +508,7 @@ class FederationServer(FederationBase):
     def on_query_user_devices(self, origin, user_id):
         return self.on_query_request("user_devices", user_id)
 
+    @trace
     @defer.inlineCallbacks
     @log_function
     def on_claim_client_keys(self, origin, content):
@@ -515,6 +517,7 @@ class FederationServer(FederationBase):
             for device_id, algorithm in device_keys.items():
                 query.append((user_id, device_id, algorithm))
 
+        log_kv({"message": "Claiming one time keys.", "user, device pairs": query})
         results = yield self.store.claim_e2e_one_time_keys(query)
 
         json_result = {}
diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py
index 1f90b0d278..056fb97acb 100644
--- a/synapse/handlers/e2e_keys.py
+++ b/synapse/handlers/e2e_keys.py
@@ -24,6 +24,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import CodeMessageException, SynapseError
 from synapse.logging.context import make_deferred_yieldable, run_in_background
+from synapse.logging.opentracing import log_kv, set_tag, tag_args, trace
 from synapse.types import UserID, get_domain_from_id
 from synapse.util import unwrapFirstError
 from synapse.util.retryutils import NotRetryingDestination
@@ -46,6 +47,7 @@ class E2eKeysHandler(object):
             "client_keys", self.on_federation_query_client_keys
         )
 
+    @trace
     @defer.inlineCallbacks
     def query_devices(self, query_body, timeout):
         """ Handle a device key query from a client
@@ -81,6 +83,9 @@ class E2eKeysHandler(object):
             else:
                 remote_queries[user_id] = device_ids
 
+        set_tag("local_key_query", local_query)
+        set_tag("remote_key_query", remote_queries)
+
         # First get local devices.
         failures = {}
         results = {}
@@ -121,6 +126,7 @@ class E2eKeysHandler(object):
                 r[user_id] = remote_queries[user_id]
 
         # Now fetch any devices that we don't have in our cache
+        @trace
         @defer.inlineCallbacks
         def do_remote_query(destination):
             """This is called when we are querying the device list of a user on
@@ -185,6 +191,8 @@ class E2eKeysHandler(object):
             except Exception as e:
                 failure = _exception_to_failure(e)
                 failures[destination] = failure
+                set_tag("error", True)
+                set_tag("reason", failure)
 
         yield make_deferred_yieldable(
             defer.gatherResults(
@@ -198,6 +206,7 @@ class E2eKeysHandler(object):
 
         return {"device_keys": results, "failures": failures}
 
+    @trace
     @defer.inlineCallbacks
     def query_local_devices(self, query):
         """Get E2E device keys for local users
@@ -210,6 +219,7 @@ class E2eKeysHandler(object):
             defer.Deferred: (resolves to dict[string, dict[string, dict]]):
                  map from user_id -> device_id -> device details
         """
+        set_tag("local_query", query)
         local_query = []
 
         result_dict = {}
@@ -217,6 +227,14 @@ class E2eKeysHandler(object):
             # we use UserID.from_string to catch invalid user ids
             if not self.is_mine(UserID.from_string(user_id)):
                 logger.warning("Request for keys for non-local user %s", user_id)
+                log_kv(
+                    {
+                        "message": "Requested a local key for a user which"
+                        " was not local to the homeserver",
+                        "user_id": user_id,
+                    }
+                )
+                set_tag("error", True)
                 raise SynapseError(400, "Not a user here")
 
             if not device_ids:
@@ -241,6 +259,7 @@ class E2eKeysHandler(object):
                     r["unsigned"]["device_display_name"] = display_name
                 result_dict[user_id][device_id] = r
 
+        log_kv(results)
         return result_dict
 
     @defer.inlineCallbacks
@@ -251,6 +270,7 @@ class E2eKeysHandler(object):
         res = yield self.query_local_devices(device_keys_query)
         return {"device_keys": res}
 
+    @trace
     @defer.inlineCallbacks
     def claim_one_time_keys(self, query, timeout):
         local_query = []
@@ -265,6 +285,9 @@ class E2eKeysHandler(object):
                 domain = get_domain_from_id(user_id)
                 remote_queries.setdefault(domain, {})[user_id] = device_keys
 
+        set_tag("local_key_query", local_query)
+        set_tag("remote_key_query", remote_queries)
+
         results = yield self.store.claim_e2e_one_time_keys(local_query)
 
         json_result = {}
@@ -276,8 +299,10 @@ class E2eKeysHandler(object):
                         key_id: json.loads(json_bytes)
                     }
 
+        @trace
         @defer.inlineCallbacks
         def claim_client_keys(destination):
+            set_tag("destination", destination)
             device_keys = remote_queries[destination]
             try:
                 remote_result = yield self.federation.claim_client_keys(
@@ -290,6 +315,8 @@ class E2eKeysHandler(object):
             except Exception as e:
                 failure = _exception_to_failure(e)
                 failures[destination] = failure
+                set_tag("error", True)
+                set_tag("reason", failure)
 
         yield make_deferred_yieldable(
             defer.gatherResults(
@@ -313,9 +340,11 @@ class E2eKeysHandler(object):
             ),
         )
 
+        log_kv({"one_time_keys": json_result, "failures": failures})
         return {"one_time_keys": json_result, "failures": failures}
 
     @defer.inlineCallbacks
+    @tag_args
     def upload_keys_for_user(self, user_id, device_id, keys):
 
         time_now = self.clock.time_msec()
@@ -329,6 +358,13 @@ class E2eKeysHandler(object):
                 user_id,
                 time_now,
             )
+            log_kv(
+                {
+                    "message": "Updating device_keys for user.",
+                    "user_id": user_id,
+                    "device_id": device_id,
+                }
+            )
             # TODO: Sign the JSON with the server key
             changed = yield self.store.set_e2e_device_keys(
                 user_id, device_id, time_now, device_keys
@@ -336,12 +372,24 @@ class E2eKeysHandler(object):
             if changed:
                 # Only notify about device updates *if* the keys actually changed
                 yield self.device_handler.notify_device_update(user_id, [device_id])
-
+        else:
+            log_kv({"message": "Not updating device_keys for user", "user_id": user_id})
         one_time_keys = keys.get("one_time_keys", None)
         if one_time_keys:
+            log_kv(
+                {
+                    "message": "Updating one_time_keys for device.",
+                    "user_id": user_id,
+                    "device_id": device_id,
+                }
+            )
             yield self._upload_one_time_keys_for_user(
                 user_id, device_id, time_now, one_time_keys
             )
+        else:
+            log_kv(
+                {"message": "Did not update one_time_keys", "reason": "no keys given"}
+            )
 
         # the device should have been registered already, but it may have been
         # deleted due to a race with a DELETE request. Or we may be using an
@@ -352,6 +400,7 @@ class E2eKeysHandler(object):
 
         result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
 
+        set_tag("one_time_key_counts", result)
         return {"one_time_key_counts": result}
 
     @defer.inlineCallbacks
@@ -395,6 +444,7 @@ class E2eKeysHandler(object):
                     (algorithm, key_id, encode_canonical_json(key).decode("ascii"))
                 )
 
+        log_kv({"message": "Inserting new one_time_keys.", "keys": new_keys})
         yield self.store.add_e2e_one_time_keys(user_id, device_id, time_now, new_keys)
 
 
diff --git a/synapse/handlers/e2e_room_keys.py b/synapse/handlers/e2e_room_keys.py
index 41b871fc59..a9d80f708c 100644
--- a/synapse/handlers/e2e_room_keys.py
+++ b/synapse/handlers/e2e_room_keys.py
@@ -26,6 +26,7 @@ from synapse.api.errors import (
     StoreError,
     SynapseError,
 )
+from synapse.logging.opentracing import log_kv, trace
 from synapse.util.async_helpers import Linearizer
 
 logger = logging.getLogger(__name__)
@@ -49,6 +50,7 @@ class E2eRoomKeysHandler(object):
         # changed.
         self._upload_linearizer = Linearizer("upload_room_keys_lock")
 
+    @trace
     @defer.inlineCallbacks
     def get_room_keys(self, user_id, version, room_id=None, session_id=None):
         """Bulk get the E2E room keys for a given backup, optionally filtered to a given
@@ -84,8 +86,10 @@ class E2eRoomKeysHandler(object):
                 user_id, version, room_id, session_id
             )
 
+            log_kv(results)
             return results
 
+    @trace
     @defer.inlineCallbacks
     def delete_room_keys(self, user_id, version, room_id=None, session_id=None):
         """Bulk delete the E2E room keys for a given backup, optionally filtered to a given
@@ -107,6 +111,7 @@ class E2eRoomKeysHandler(object):
         with (yield self._upload_linearizer.queue(user_id)):
             yield self.store.delete_e2e_room_keys(user_id, version, room_id, session_id)
 
+    @trace
     @defer.inlineCallbacks
     def upload_room_keys(self, user_id, version, room_keys):
         """Bulk upload a list of room keys into a given backup version, asserting
@@ -186,7 +191,14 @@ class E2eRoomKeysHandler(object):
             session_id(str): the session whose room_key we're setting
             room_key(dict): the room_key being set
         """
-
+        log_kv(
+            {
+                "message": "Trying to upload room key",
+                "room_id": room_id,
+                "session_id": session_id,
+                "user_id": user_id,
+            }
+        )
         # get the room_key for this particular row
         current_room_key = None
         try:
@@ -195,14 +207,23 @@ class E2eRoomKeysHandler(object):
             )
         except StoreError as e:
             if e.code == 404:
-                pass
+                log_kv(
+                    {
+                        "message": "Room key not found.",
+                        "room_id": room_id,
+                        "user_id": user_id,
+                    }
+                )
             else:
                 raise
 
         if self._should_replace_room_key(current_room_key, room_key):
+            log_kv({"message": "Replacing room key."})
             yield self.store.set_e2e_room_key(
                 user_id, version, room_id, session_id, room_key
             )
+        else:
+            log_kv({"message": "Not replacing room_key."})
 
     @staticmethod
     def _should_replace_room_key(current_room_key, room_key):
@@ -236,6 +257,7 @@ class E2eRoomKeysHandler(object):
                 return False
         return True
 
+    @trace
     @defer.inlineCallbacks
     def create_version(self, user_id, version_info):
         """Create a new backup version.  This automatically becomes the new
@@ -294,6 +316,7 @@ class E2eRoomKeysHandler(object):
                     raise
             return res
 
+    @trace
     @defer.inlineCallbacks
     def delete_version(self, user_id, version=None):
         """Deletes a given version of the user's e2e_room_keys backup
@@ -314,6 +337,7 @@ class E2eRoomKeysHandler(object):
                 else:
                     raise
 
+    @trace
     @defer.inlineCallbacks
     def update_version(self, user_id, version, version_info):
         """Update the info about a given version of the user's backup
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index 6008adec7c..b218a3f334 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -24,6 +24,7 @@ from synapse.http.servlet import (
     parse_json_object_from_request,
     parse_string,
 )
+from synapse.logging.opentracing import log_kv, set_tag, trace_using_operation_name
 from synapse.types import StreamToken
 
 from ._base import client_patterns
@@ -68,6 +69,7 @@ class KeyUploadServlet(RestServlet):
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
 
+    @trace_using_operation_name("upload_keys")
     @defer.inlineCallbacks
     def on_POST(self, request, device_id):
         requester = yield self.auth.get_user_by_req(request, allow_guest=True)
@@ -78,6 +80,14 @@ class KeyUploadServlet(RestServlet):
             # passing the device_id here is deprecated; however, we allow it
             # for now for compatibility with older clients.
             if requester.device_id is not None and device_id != requester.device_id:
+                set_tag("error", True)
+                log_kv(
+                    {
+                        "message": "Client uploading keys for a different device",
+                        "logged_in_id": requester.device_id,
+                        "key_being_uploaded": device_id,
+                    }
+                )
                 logger.warning(
                     "Client uploading keys for a different device "
                     "(logged in as %s, uploading for %s)",
@@ -178,10 +188,11 @@ class KeyChangesServlet(RestServlet):
         requester = yield self.auth.get_user_by_req(request, allow_guest=True)
 
         from_token_string = parse_string(request, "from")
+        set_tag("from", from_token_string)
 
         # We want to enforce they do pass us one, but we ignore it and return
         # changes after the "to" as well as before.
-        parse_string(request, "to")
+        set_tag("to", parse_string(request, "to"))
 
         from_token = StreamToken.from_string(from_token_string)
 
diff --git a/synapse/storage/e2e_room_keys.py b/synapse/storage/e2e_room_keys.py
index b1901404af..be2fe2bab6 100644
--- a/synapse/storage/e2e_room_keys.py
+++ b/synapse/storage/e2e_room_keys.py
@@ -18,6 +18,7 @@ import json
 from twisted.internet import defer
 
 from synapse.api.errors import StoreError
+from synapse.logging.opentracing import log_kv, trace
 
 from ._base import SQLBaseStore
 
@@ -94,7 +95,16 @@ class EndToEndRoomKeyStore(SQLBaseStore):
             },
             lock=False,
         )
+        log_kv(
+            {
+                "message": "Set room key",
+                "room_id": room_id,
+                "session_id": session_id,
+                "room_key": room_key,
+            }
+        )
 
+    @trace
     @defer.inlineCallbacks
     def get_e2e_room_keys(self, user_id, version, room_id=None, session_id=None):
         """Bulk get the E2E room keys for a given backup, optionally filtered to a given
@@ -153,6 +163,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
 
         return sessions
 
+    @trace
     @defer.inlineCallbacks
     def delete_e2e_room_keys(self, user_id, version, room_id=None, session_id=None):
         """Bulk delete the E2E room keys for a given backup, optionally filtered to a given
@@ -236,6 +247,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
             "get_e2e_room_keys_version_info", _get_e2e_room_keys_version_info_txn
         )
 
+    @trace
     def create_e2e_room_keys_version(self, user_id, info):
         """Atomically creates a new version of this user's e2e_room_keys store
         with the given version info.
@@ -276,6 +288,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
             "create_e2e_room_keys_version_txn", _create_e2e_room_keys_version_txn
         )
 
+    @trace
     def update_e2e_room_keys_version(self, user_id, version, info):
         """Update a given backup version
 
@@ -292,6 +305,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
             desc="update_e2e_room_keys_version",
         )
 
+    @trace
     def delete_e2e_room_keys_version(self, user_id, version=None):
         """Delete a given backup version of the user's room keys.
         Doesn't delete their actual key data.
diff --git a/synapse/storage/end_to_end_keys.py b/synapse/storage/end_to_end_keys.py
index 1e07474e70..33e3a84933 100644
--- a/synapse/storage/end_to_end_keys.py
+++ b/synapse/storage/end_to_end_keys.py
@@ -18,12 +18,14 @@ from canonicaljson import encode_canonical_json
 
 from twisted.internet import defer
 
+from synapse.logging.opentracing import log_kv, set_tag, trace
 from synapse.util.caches.descriptors import cached
 
 from ._base import SQLBaseStore, db_to_json
 
 
 class EndToEndKeyWorkerStore(SQLBaseStore):
+    @trace
     @defer.inlineCallbacks
     def get_e2e_device_keys(
         self, query_list, include_all_devices=False, include_deleted_devices=False
@@ -40,6 +42,7 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
             Dict mapping from user-id to dict mapping from device_id to
             dict containing "key_json", "device_display_name".
         """
+        set_tag("query_list", query_list)
         if not query_list:
             return {}
 
@@ -57,9 +60,13 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
 
         return results
 
+    @trace
     def _get_e2e_device_keys_txn(
         self, txn, query_list, include_all_devices=False, include_deleted_devices=False
     ):
+        set_tag("include_all_devices", include_all_devices)
+        set_tag("include_deleted_devices", include_deleted_devices)
+
         query_clauses = []
         query_params = []
 
@@ -104,6 +111,7 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
             for user_id, device_id in deleted_devices:
                 result.setdefault(user_id, {})[device_id] = None
 
+        log_kv(result)
         return result
 
     @defer.inlineCallbacks
@@ -129,8 +137,9 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
             keyvalues={"user_id": user_id, "device_id": device_id},
             desc="add_e2e_one_time_keys_check",
         )
-
-        return {(row["algorithm"], row["key_id"]): row["key_json"] for row in rows}
+        result = {(row["algorithm"], row["key_id"]): row["key_json"] for row in rows}
+        log_kv({"message": "Fetched one time keys for user", "one_time_keys": result})
+        return result
 
     @defer.inlineCallbacks
     def add_e2e_one_time_keys(self, user_id, device_id, time_now, new_keys):
@@ -146,6 +155,9 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
         """
 
         def _add_e2e_one_time_keys(txn):
+            set_tag("user_id", user_id)
+            set_tag("device_id", device_id)
+            set_tag("new_keys", new_keys)
             # We are protected from race between lookup and insertion due to
             # a unique constraint. If there is a race of two calls to
             # `add_e2e_one_time_keys` then they'll conflict and we will only
@@ -202,6 +214,11 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
         """
 
         def _set_e2e_device_keys_txn(txn):
+            set_tag("user_id", user_id)
+            set_tag("device_id", device_id)
+            set_tag("time_now", time_now)
+            set_tag("device_keys", device_keys)
+
             old_key_json = self._simple_select_one_onecol_txn(
                 txn,
                 table="e2e_device_keys_json",
@@ -215,6 +232,7 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
             new_key_json = encode_canonical_json(device_keys).decode("utf-8")
 
             if old_key_json == new_key_json:
+                log_kv({"Message": "Device key already stored."})
                 return False
 
             self._simple_upsert_txn(
@@ -223,7 +241,7 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
                 keyvalues={"user_id": user_id, "device_id": device_id},
                 values={"ts_added_ms": time_now, "key_json": new_key_json},
             )
-
+            log_kv({"message": "Device keys stored."})
             return True
 
         return self.runInteraction("set_e2e_device_keys", _set_e2e_device_keys_txn)
@@ -231,6 +249,7 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
     def claim_e2e_one_time_keys(self, query_list):
         """Take a list of one time keys out of the database"""
 
+        @trace
         def _claim_e2e_one_time_keys(txn):
             sql = (
                 "SELECT key_id, key_json FROM e2e_one_time_keys_json"
@@ -252,7 +271,13 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
                 " AND key_id = ?"
             )
             for user_id, device_id, algorithm, key_id in delete:
+                log_kv(
+                    {
+                        "message": "Executing claim e2e_one_time_keys transaction on database."
+                    }
+                )
                 txn.execute(sql, (user_id, device_id, algorithm, key_id))
+                log_kv({"message": "finished executing and invalidating cache"})
                 self._invalidate_cache_and_stream(
                     txn, self.count_e2e_one_time_keys, (user_id, device_id)
                 )
@@ -262,6 +287,13 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
 
     def delete_e2e_keys_by_device(self, user_id, device_id):
         def delete_e2e_keys_by_device_txn(txn):
+            log_kv(
+                {
+                    "message": "Deleting keys for device",
+                    "device_id": device_id,
+                    "user_id": user_id,
+                }
+            )
             self._simple_delete_txn(
                 txn,
                 table="e2e_device_keys_json",