세션키를 자체 발급하도록 수정

session/common.go

@@ -1,6 +1,11 @@
 package session
 
 import (
+	"encoding/binary"
+	"encoding/hex"
+	"math/rand"
+	"time"
+
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"repositories.action2quare.com/ayo/gocommon"
 )
@@ -18,3 +23,58 @@ type Authorization struct {
 	Uid      string `bson:"u" json:"u"`
 	Email    string `bson:"em" json:"em"`
 }
+
+type Provider interface {
+	New(*Authorization) (string, error)
+	Delete(primitive.ObjectID) error
+	Query(string) (*Authorization, error)
+}
+
+type Consumer interface {
+	Query(string) (*Authorization, error)
+	Touch(string) (*Authorization, error)
+}
+
+type storagekey string
+type publickey string
+
+var r = rand.New(rand.NewSource(time.Now().UnixNano()))
+
+func make_storagekey(acc primitive.ObjectID) storagekey {
+	bs := [4]byte{}
+	binary.LittleEndian.PutUint32(bs[:], r.Uint32())
+
+	return storagekey(acc.Hex() + hex.EncodeToString(bs[2:]))
+}
+
+func storagekey_to_publickey(sk storagekey) publickey {
+	bs, _ := hex.DecodeString(string(sk))
+
+	acc := bs[:12]
+	cs := bs[12:]
+
+	encoded := [14]byte{}
+	for i, v := range acc[:] {
+		encoded[i] = (v ^ cs[0]) ^ cs[1]
+	}
+	encoded[12] = cs[0]
+	encoded[13] = cs[1]
+
+	return publickey(hex.EncodeToString(encoded[:]))
+}
+
+func publickey_to_storagekey(pk publickey) storagekey {
+	bs, _ := hex.DecodeString(string(pk))
+
+	acc := bs[:12]
+	cs := bs[12:]
+
+	decoded := [14]byte{}
+	for i, v := range acc[:] {
+		decoded[i] = (v ^ cs[1]) ^ cs[0]
+	}
+	decoded[12] = cs[0]
+	decoded[13] = cs[1]
+
+	return storagekey(hex.EncodeToString(decoded[:]))
+}