Merge branch 'develop' into cross-signing_federation

1 files changed, 0 insertions, 194 deletions

diff --git a/synapse/storage/keys.py b/synapse/storage/keys.py
index e72f89e446..4769b21529 100644
--- a/synapse/storage/keys.py
+++ b/synapse/storage/keys.py
@@ -14,208 +14,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import itertools
 import logging
 
-import six
-
 import attr
-from signedjson.key import decode_verify_key_bytes
-
-from synapse.util import batch_iter
-from synapse.util.caches.descriptors import cached, cachedList
-
-from ._base import SQLBaseStore
 
 logger = logging.getLogger(__name__)
 
-# py2 sqlite has buffer hardcoded as only binary type, so we must use it,
-# despite being deprecated and removed in favor of memoryview
-if six.PY2:
-    db_binary_type = six.moves.builtins.buffer
-else:
-    db_binary_type = memoryview
-
 
 @attr.s(slots=True, frozen=True)
 class FetchKeyResult(object):
     verify_key = attr.ib()  # VerifyKey: the key itself
     valid_until_ts = attr.ib()  # int: how long we can use this key for
-
-
-class KeyStore(SQLBaseStore):
-    """Persistence for signature verification keys
-    """
-
-    @cached()
-    def _get_server_verify_key(self, server_name_and_key_id):
-        raise NotImplementedError()
-
-    @cachedList(
-        cached_method_name="_get_server_verify_key", list_name="server_name_and_key_ids"
-    )
-    def get_server_verify_keys(self, server_name_and_key_ids):
-        """
-        Args:
-            server_name_and_key_ids (iterable[Tuple[str, str]]):
-                iterable of (server_name, key-id) tuples to fetch keys for
-
-        Returns:
-            Deferred: resolves to dict[Tuple[str, str], FetchKeyResult|None]:
-                map from (server_name, key_id) -> FetchKeyResult, or None if the key is
-                unknown
-        """
-        keys = {}
-
-        def _get_keys(txn, batch):
-            """Processes a batch of keys to fetch, and adds the result to `keys`."""
-
-            # batch_iter always returns tuples so it's safe to do len(batch)
-            sql = (
-                "SELECT server_name, key_id, verify_key, ts_valid_until_ms "
-                "FROM server_signature_keys WHERE 1=0"
-            ) + " OR (server_name=? AND key_id=?)" * len(batch)
-
-            txn.execute(sql, tuple(itertools.chain.from_iterable(batch)))
-
-            for row in txn:
-                server_name, key_id, key_bytes, ts_valid_until_ms = row
-
-                if ts_valid_until_ms is None:
-                    # Old keys may be stored with a ts_valid_until_ms of null,
-                    # in which case we treat this as if it was set to `0`, i.e.
-                    # it won't match key requests that define a minimum
-                    # `ts_valid_until_ms`.
-                    ts_valid_until_ms = 0
-
-                res = FetchKeyResult(
-                    verify_key=decode_verify_key_bytes(key_id, bytes(key_bytes)),
-                    valid_until_ts=ts_valid_until_ms,
-                )
-                keys[(server_name, key_id)] = res
-
-        def _txn(txn):
-            for batch in batch_iter(server_name_and_key_ids, 50):
-                _get_keys(txn, batch)
-            return keys
-
-        return self.runInteraction("get_server_verify_keys", _txn)
-
-    def store_server_verify_keys(self, from_server, ts_added_ms, verify_keys):
-        """Stores NACL verification keys for remote servers.
-        Args:
-            from_server (str): Where the verification keys were looked up
-            ts_added_ms (int): The time to record that the key was added
-            verify_keys (iterable[tuple[str, str, FetchKeyResult]]):
-                keys to be stored. Each entry is a triplet of
-                (server_name, key_id, key).
-        """
-        key_values = []
-        value_values = []
-        invalidations = []
-        for server_name, key_id, fetch_result in verify_keys:
-            key_values.append((server_name, key_id))
-            value_values.append(
-                (
-                    from_server,
-                    ts_added_ms,
-                    fetch_result.valid_until_ts,
-                    db_binary_type(fetch_result.verify_key.encode()),
-                )
-            )
-            # invalidate takes a tuple corresponding to the params of
-            # _get_server_verify_key. _get_server_verify_key only takes one
-            # param, which is itself the 2-tuple (server_name, key_id).
-            invalidations.append((server_name, key_id))
-
-        def _invalidate(res):
-            f = self._get_server_verify_key.invalidate
-            for i in invalidations:
-                f((i,))
-            return res
-
-        return self.runInteraction(
-            "store_server_verify_keys",
-            self._simple_upsert_many_txn,
-            table="server_signature_keys",
-            key_names=("server_name", "key_id"),
-            key_values=key_values,
-            value_names=(
-                "from_server",
-                "ts_added_ms",
-                "ts_valid_until_ms",
-                "verify_key",
-            ),
-            value_values=value_values,
-        ).addCallback(_invalidate)
-
-    def store_server_keys_json(
-        self, server_name, key_id, from_server, ts_now_ms, ts_expires_ms, key_json_bytes
-    ):
-        """Stores the JSON bytes for a set of keys from a server
-        The JSON should be signed by the originating server, the intermediate
-        server, and by this server. Updates the value for the
-        (server_name, key_id, from_server) triplet if one already existed.
-        Args:
-            server_name (str): The name of the server.
-            key_id (str): The identifer of the key this JSON is for.
-            from_server (str): The server this JSON was fetched from.
-            ts_now_ms (int): The time now in milliseconds.
-            ts_valid_until_ms (int): The time when this json stops being valid.
-            key_json (bytes): The encoded JSON.
-        """
-        return self._simple_upsert(
-            table="server_keys_json",
-            keyvalues={
-                "server_name": server_name,
-                "key_id": key_id,
-                "from_server": from_server,
-            },
-            values={
-                "server_name": server_name,
-                "key_id": key_id,
-                "from_server": from_server,
-                "ts_added_ms": ts_now_ms,
-                "ts_valid_until_ms": ts_expires_ms,
-                "key_json": db_binary_type(key_json_bytes),
-            },
-            desc="store_server_keys_json",
-        )
-
-    def get_server_keys_json(self, server_keys):
-        """Retrive the key json for a list of server_keys and key ids.
-        If no keys are found for a given server, key_id and source then
-        that server, key_id, and source triplet entry will be an empty list.
-        The JSON is returned as a byte array so that it can be efficiently
-        used in an HTTP response.
-        Args:
-            server_keys (list): List of (server_name, key_id, source) triplets.
-        Returns:
-            Deferred[dict[Tuple[str, str, str|None], list[dict]]]:
-                Dict mapping (server_name, key_id, source) triplets to lists of dicts
-        """
-
-        def _get_server_keys_json_txn(txn):
-            results = {}
-            for server_name, key_id, from_server in server_keys:
-                keyvalues = {"server_name": server_name}
-                if key_id is not None:
-                    keyvalues["key_id"] = key_id
-                if from_server is not None:
-                    keyvalues["from_server"] = from_server
-                rows = self._simple_select_list_txn(
-                    txn,
-                    "server_keys_json",
-                    keyvalues=keyvalues,
-                    retcols=(
-                        "key_id",
-                        "from_server",
-                        "ts_added_ms",
-                        "ts_valid_until_ms",
-                        "key_json",
-                    ),
-                )
-                results[(server_name, key_id, from_server)] = rows
-            return results
-
-        return self.runInteraction("get_server_keys_json", _get_server_keys_json_txn)