2025-07-24 15:46:32 +08:00

80 lines
2.9 KiB
Go

// Copyright © 2024 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package signal
import (
"context"
"time"
)
const (
SignalPreKeyCollection = "signal_prekeys"
)
// SignalPreKey represents one-time prekeys for Signal protocol
type SignalPreKey struct {
UserID string `bson:"user_id" json:"userID"`
DeviceID int32 `bson:"device_id" json:"deviceID"`
KeyID uint32 `bson:"key_id" json:"keyID"`
PublicKey []byte `bson:"public_key" json:"publicKey"`
Used bool `bson:"used" json:"used"`
CreatedTime time.Time `bson:"created_time" json:"createdTime"`
UsedTime *time.Time `bson:"used_time,omitempty" json:"usedTime,omitempty"`
}
type SignalPreKeyModelInterface interface {
// Create creates a new prekey record
Create(ctx context.Context, prekey *SignalPreKey) error
// CreateBatch creates multiple prekey records in batch
CreateBatch(ctx context.Context, prekeys []*SignalPreKey) error
// GetAvailable retrieves an available (unused) prekey for a user/device
GetAvailable(ctx context.Context, userID string, deviceID int32) (*SignalPreKey, error)
// MarkUsed marks a prekey as used
MarkUsed(ctx context.Context, userID string, deviceID int32, keyID uint32) error
// Delete removes a prekey
Delete(ctx context.Context, userID string, deviceID int32, keyID uint32) error
// DeleteAllByUserDevice removes all prekeys for a user/device
DeleteAllByUserDevice(ctx context.Context, userID string, deviceID int32) error
// CountAvailable returns the count of available prekeys for a user/device
CountAvailable(ctx context.Context, userID string, deviceID int32) (int64, error)
// GetByKeyID retrieves a specific prekey by key ID
GetByKeyID(ctx context.Context, userID string, deviceID int32, keyID uint32) (*SignalPreKey, error)
// CleanupUsed removes used prekeys older than the specified duration
CleanupUsed(ctx context.Context, olderThan time.Duration) (int64, error)
}
func (SignalPreKey) TableName() string {
return SignalPreKeyCollection
}
// Indexes returns the indexes for the collection
func (SignalPreKey) Indexes() []string {
return []string{
"user_id",
"user_id_device_id", // compound index for (user_id, device_id)
"user_id_device_id_key_id", // compound unique index for (user_id, device_id, key_id)
"user_id_device_id_used", // compound index for (user_id, device_id, used)
"used_time",
"created_time",
}
}