QTom
d869ac95fa
- TTL 改为 7 天，配合 24 小时自动续期保持活跃账号永不过期 - 版本升级时采用合并语义，仅更新请求中实际存在的字段 - 添加产品名验证防止浏览器 UA 误判为更新版本
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package repository
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/Wei-Shaw/sub2api/internal/service"
|
|
"github.com/redis/go-redis/v9"
|
|
)
|
|
|
|
const (
|
|
fingerprintKeyPrefix = "fingerprint:"
|
|
fingerprintTTL = 7 * 24 * time.Hour // 7天，配合每24小时懒续期可保持活跃账号永不过期
|
|
maskedSessionKeyPrefix = "masked_session:"
|
|
maskedSessionTTL = 15 * time.Minute
|
|
)
|
|
|
|
// fingerprintKey generates the Redis key for account fingerprint cache.
|
|
func fingerprintKey(accountID int64) string {
|
|
return fmt.Sprintf("%s%d", fingerprintKeyPrefix, accountID)
|
|
}
|
|
|
|
// maskedSessionKey generates the Redis key for masked session ID cache.
|
|
func maskedSessionKey(accountID int64) string {
|
|
return fmt.Sprintf("%s%d", maskedSessionKeyPrefix, accountID)
|
|
}
|
|
|
|
type identityCache struct {
|
|
rdb *redis.Client
|
|
}
|
|
|
|
func NewIdentityCache(rdb *redis.Client) service.IdentityCache {
|
|
return &identityCache{rdb: rdb}
|
|
}
|
|
|
|
func (c *identityCache) GetFingerprint(ctx context.Context, accountID int64) (*service.Fingerprint, error) {
|
|
key := fingerprintKey(accountID)
|
|
val, err := c.rdb.Get(ctx, key).Result()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var fp service.Fingerprint
|
|
if err := json.Unmarshal([]byte(val), &fp); err != nil {
|
|
return nil, err
|
|
}
|
|
return &fp, nil
|
|
}
|
|
|
|
func (c *identityCache) SetFingerprint(ctx context.Context, accountID int64, fp *service.Fingerprint) error {
|
|
key := fingerprintKey(accountID)
|
|
val, err := json.Marshal(fp)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return c.rdb.Set(ctx, key, val, fingerprintTTL).Err()
|
|
}
|
|
|
|
func (c *identityCache) GetMaskedSessionID(ctx context.Context, accountID int64) (string, error) {
|
|
key := maskedSessionKey(accountID)
|
|
val, err := c.rdb.Get(ctx, key).Result()
|
|
if err != nil {
|
|
if err == redis.Nil {
|
|
return "", nil
|
|
}
|
|
return "", err
|
|
}
|
|
return val, nil
|
|
}
|
|
|
|
func (c *identityCache) SetMaskedSessionID(ctx context.Context, accountID int64, sessionID string) error {
|
|
key := maskedSessionKey(accountID)
|
|
return c.rdb.Set(ctx, key, sessionID, maskedSessionTTL).Err()
|
|
}
|