77 lines
4.5 KiB
Go
77 lines
4.5 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import (
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"context"
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"encoding/json"
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"github.com/matrix-org/dendrite/keyserver/api"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database interface {
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// ExistingOneTimeKeys returns a map of keyIDWithAlgorithm to key JSON for the given parameters. If no keys exist with this combination
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// of user/device/key/algorithm 4-uple then it is omitted from the map. Returns an error when failing to communicate with the database.
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ExistingOneTimeKeys(ctx context.Context, userID, deviceID string, keyIDsWithAlgorithms []string) (map[string]json.RawMessage, error)
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// StoreOneTimeKeys persists the given one-time keys.
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StoreOneTimeKeys(ctx context.Context, keys api.OneTimeKeys) (*api.OneTimeKeysCount, error)
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// OneTimeKeysCount returns a count of all OTKs for this device.
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OneTimeKeysCount(ctx context.Context, userID, deviceID string) (*api.OneTimeKeysCount, error)
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// DeviceKeysJSON populates the KeyJSON for the given keys. If any proided `keys` have a `KeyJSON` or `StreamID` already then it will be replaced.
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DeviceKeysJSON(ctx context.Context, keys []api.DeviceMessage) error
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// StoreLocalDeviceKeys persists the given keys. Keys with the same user ID and device ID will be replaced. An empty KeyJSON removes the key
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// for this (user, device).
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// The `StreamID` for each message is set on successful insertion. In the event the key already exists, the existing StreamID is set.
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// Returns an error if there was a problem storing the keys.
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StoreLocalDeviceKeys(ctx context.Context, keys []api.DeviceMessage) error
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// StoreRemoteDeviceKeys persists the given keys. Keys with the same user ID and device ID will be replaced. An empty KeyJSON removes the key
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// for this (user, device). Does not modify the stream ID for keys. User IDs in `clearUserIDs` will have all their device keys deleted prior
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// to insertion - use this when you have a complete snapshot of a user's keys in order to track device deletions correctly.
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StoreRemoteDeviceKeys(ctx context.Context, keys []api.DeviceMessage, clearUserIDs []string) error
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// PrevIDsExists returns true if all prev IDs exist for this user.
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PrevIDsExists(ctx context.Context, userID string, prevIDs []int) (bool, error)
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// DeviceKeysForUser returns the device keys for the device IDs given. If the length of deviceIDs is 0, all devices are selected.
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// If there are some missing keys, they are omitted from the returned slice. There is no ordering on the returned slice.
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DeviceKeysForUser(ctx context.Context, userID string, deviceIDs []string) ([]api.DeviceMessage, error)
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// ClaimKeys based on the 3-uple of user_id, device_id and algorithm name. Returns the keys claimed. Returns no error if a key
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// cannot be claimed or if none exist for this (user, device, algorithm), instead it is omitted from the returned slice.
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ClaimKeys(ctx context.Context, userToDeviceToAlgorithm map[string]map[string]string) ([]api.OneTimeKeys, error)
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// StoreKeyChange stores key change metadata after the change has been sent to Kafka. `userID` is the the user who has changed
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// their keys in some way.
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StoreKeyChange(ctx context.Context, partition int32, offset int64, userID string) error
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// KeyChanges returns a list of user IDs who have modified their keys from the offset given (exclusive) to the offset given (inclusive).
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// A to offset of sarama.OffsetNewest means no upper limit.
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// Returns the offset of the latest key change.
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KeyChanges(ctx context.Context, partition int32, fromOffset, toOffset int64) (userIDs []string, latestOffset int64, err error)
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// StaleDeviceLists returns a list of user IDs ending with the domains provided who have stale device lists.
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// If no domains are given, all user IDs with stale device lists are returned.
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StaleDeviceLists(ctx context.Context, domains []gomatrixserverlib.ServerName) ([]string, error)
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// MarkDeviceListStale sets the stale bit for this user to isStale.
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MarkDeviceListStale(ctx context.Context, userID string, isStale bool) error
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}
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