Refactoring for HomeKit client

pkg/hap/helpers.go

@@ -0,0 +1,90 @@
+package hap
+
+import (
+	"crypto/rand"
+	"crypto/sha512"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+const DeviceAID = 1 // TODO: fix someday
+
+func GenerateID(name string) string {
+	sum := sha512.Sum512([]byte(name))
+	return fmt.Sprintf(
+		"%02X:%02X:%02X:%02X:%02X:%02X",
+		sum[0], sum[1], sum[2], sum[3], sum[4], sum[5],
+	)
+}
+
+func GenerateUUID() string {
+	//12345678-9012-3456-7890-123456789012
+	data := make([]byte, 16)
+	_, _ = rand.Read(data)
+	s := hex.EncodeToString(data)
+	return s[:8] + "-" + s[8:12] + "-" + s[12:16] + "-" + s[16:20] + "-" + s[20:]
+}
+
+type PairVerifyPayload struct {
+	Method        byte   `tlv8:"0,optional"`
+	Identifier    string `tlv8:"1,optional"`
+	PublicKey     []byte `tlv8:"3,optional"`
+	EncryptedData []byte `tlv8:"5,optional"`
+	State         byte   `tlv8:"6,optional"`
+	Status        byte   `tlv8:"7,optional"`
+	Signature     []byte `tlv8:"10,optional"`
+}
+
+//func (c *Character) Unmarshal(value interface{}) error {
+//	switch c.Format {
+//	case characteristic.FormatTLV8:
+//		data, err := base64.StdEncoding.DecodeString(c.Value.(string))
+//		if err != nil {
+//			return err
+//		}
+//		return tlv8.Unmarshal(data, value)
+//	}
+//	return nil
+//}
+
+//func (c *Character) Marshal(value interface{}) error {
+//	switch c.Format {
+//	case characteristic.FormatTLV8:
+//		data, err := tlv8.Marshal(value)
+//		if err != nil {
+//			return err
+//		}
+//		c.Value = base64.StdEncoding.EncodeToString(data)
+//	}
+//	return nil
+//}
+
+func (c *Character) String() string {
+	data, err := json.Marshal(c)
+	if err != nil {
+		return "ERROR"
+	}
+	return string(data)
+}
+
+func UnmarshalEvent(res *http.Response) (char *Character, err error) {
+	var data []byte
+	if data, err = io.ReadAll(res.Body); err != nil {
+		return
+	}
+
+	ch := Characters{}
+	if err = json.Unmarshal(data, &ch); err != nil {
+		return
+	}
+
+	if len(ch.Characters) > 1 {
+		panic("not implemented")
+	}
+
+	char = ch.Characters[0]
+	return
+}