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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package certcache | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/redis/go-redis/v9" | ||
| "golang.org/x/crypto/acme/autocert" | ||
| ) | ||
|
|
||
| type RedisCache struct { | ||
| r redis.Cmdable | ||
| pfx string | ||
| } | ||
|
|
||
| func NewRedisCache(r redis.Cmdable, prefix string) *RedisCache { | ||
| return &RedisCache{ | ||
| r: r, | ||
| pfx: prefix, | ||
| } | ||
| } | ||
|
|
||
| func (r *RedisCache) Get(ctx context.Context, key string) ([]byte, error) { | ||
| res, err := r.r.Get(ctx, r.pfx+key).Bytes() | ||
| if err != nil { | ||
| if err == redis.Nil { | ||
| return nil, autocert.ErrCacheMiss | ||
| } | ||
| return nil, err | ||
| } | ||
| return res, nil | ||
| } | ||
|
|
||
| func (r *RedisCache) Put(ctx context.Context, key string, data []byte) error { | ||
| return r.r.Set(ctx, r.pfx+key, data, 0).Err() | ||
| } | ||
|
|
||
| func (r *RedisCache) Delete(ctx context.Context, key string) error { | ||
| return r.r.Del(ctx, r.pfx+key).Err() | ||
| } | ||
|
|
||
| func RedisCacheFromURL(url string, prefix string) (*RedisCache, error) { | ||
| opts, err := redis.ParseURL(url) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| r := redis.NewClient(opts) | ||
| return NewRedisCache(r, prefix), nil | ||
| } | ||
|
|
||
| func RedisClusterCacheFromURL(url string, prefix string) (*RedisCache, error) { | ||
| opts, err := redis.ParseClusterURL(url) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| r := redis.NewClusterClient(opts) | ||
| return NewRedisCache(r, prefix), nil | ||
| } |
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