81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package reflector
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/bluele/gcache"
|
|
"github.com/lbryio/lbry.go/v2/extras/errors"
|
|
"golang.org/x/sync/singleflight"
|
|
)
|
|
|
|
const protectedListURL = "https://api.odysee.com/file/list_protected"
|
|
|
|
type ProtectedContent struct {
|
|
SDHash string `json:"sd_hash"`
|
|
ClaimID string `json:"claim_id"`
|
|
}
|
|
|
|
var protectedCache = gcache.New(10).Expiration(2 * time.Minute).Build()
|
|
|
|
func GetProtectedContent() (interface{}, error) {
|
|
cachedVal, err := protectedCache.Get("protected")
|
|
if err == nil && cachedVal != nil {
|
|
return cachedVal.(map[string]bool), nil
|
|
}
|
|
|
|
method := "GET"
|
|
var r struct {
|
|
Success bool `json:"success"`
|
|
Error string `json:"error"`
|
|
Data []ProtectedContent `json:"data"`
|
|
}
|
|
|
|
client := &http.Client{}
|
|
req, err := http.NewRequest(method, protectedListURL, nil)
|
|
|
|
if err != nil {
|
|
return nil, errors.Err(err)
|
|
}
|
|
res, err := client.Do(req)
|
|
if err != nil {
|
|
return nil, errors.Err(err)
|
|
}
|
|
defer func() { _ = res.Body.Close() }()
|
|
if res.StatusCode != http.StatusOK {
|
|
return nil, errors.Err("unexpected status code %d", res.StatusCode)
|
|
}
|
|
if err = json.NewDecoder(res.Body).Decode(&r); err != nil {
|
|
return nil, errors.Err(err)
|
|
}
|
|
|
|
if !r.Success {
|
|
return nil, errors.Prefix("file/list_protected API call", r.Error)
|
|
}
|
|
|
|
protectedMap := make(map[string]bool, len(r.Data))
|
|
for _, pc := range r.Data {
|
|
protectedMap[pc.SDHash] = true
|
|
}
|
|
err = protectedCache.Set("protected", protectedMap)
|
|
if err != nil {
|
|
return protectedMap, errors.Err(err)
|
|
}
|
|
return protectedMap, nil
|
|
}
|
|
|
|
var sf = singleflight.Group{}
|
|
|
|
func IsProtected(sdHash string) bool {
|
|
val, err, _ := sf.Do("protected", GetProtectedContent)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
cachedMap, ok := val.(map[string]bool)
|
|
if !ok {
|
|
return false
|
|
}
|
|
|
|
return cachedMap[sdHash]
|
|
}
|