move helper func in related packages

server/helpers.go

@@ -2,8 +2,6 @@ package server
 
 import (
 	"bytes"
-	"encoding/gob"
-	"github.com/akrylysov/pogreb"
 )
 
 // GetHSTSHeader returns a HSTS header with includeSubdomains & preload for MainDomainSuffix and RawDomain, or an empty
@@ -15,42 +13,3 @@ func GetHSTSHeader(host, mainDomainSuffix, rawDomain []byte) string {
 		return ""
 	}
 }
-
-func TrimHostPort(host []byte) []byte {
-	i := bytes.IndexByte(host, ':')
-	if i >= 0 {
-		return host[:i]
-	}
-	return host
-}
-
-func PogrebPut(db *pogreb.DB, name []byte, obj interface{}) {
-	var resGob bytes.Buffer
-	resEnc := gob.NewEncoder(&resGob)
-	err := resEnc.Encode(obj)
-	if err != nil {
-		panic(err)
-	}
-	err = db.Put(name, resGob.Bytes())
-	if err != nil {
-		panic(err)
-	}
-}
-
-func PogrebGet(db *pogreb.DB, name []byte, obj interface{}) bool {
-	resBytes, err := db.Get(name)
-	if err != nil {
-		panic(err)
-	}
-	if resBytes == nil {
-		return false
-	}
-
-	resGob := bytes.NewBuffer(resBytes)
-	resDec := gob.NewDecoder(resGob)
-	err = resDec.Decode(obj)
-	if err != nil {
-		panic(err)
-	}
-	return true
-}