install go2rtc on bob

installs_on_host/go2rtc/pkg/tuya/helper.go

@@ -0,0 +1,69 @@
+package tuya
+
+import (
+	"crypto/md5"
+	cryptoRand "crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/hex"
+	"encoding/pem"
+	"errors"
+	"net/http"
+	"net/http/cookiejar"
+	"regexp"
+	"time"
+
+	"golang.org/x/net/publicsuffix"
+)
+
+func EncryptPassword(password, pbKey string) (string, error) {
+	// Hash password with MD5
+	hasher := md5.New()
+	hasher.Write([]byte(password))
+	hashedPassword := hex.EncodeToString(hasher.Sum(nil))
+
+	// Decode PEM public key
+	block, _ := pem.Decode([]byte("-----BEGIN PUBLIC KEY-----\n" + pbKey + "\n-----END PUBLIC KEY-----"))
+	if block == nil {
+		return "", errors.New("failed to decode PEM block")
+	}
+
+	pubKey, err := x509.ParsePKIXPublicKey(block.Bytes)
+	if err != nil {
+		return "", err
+	}
+
+	rsaPubKey, ok := pubKey.(*rsa.PublicKey)
+	if !ok {
+		return "", errors.New("not an RSA public key")
+	}
+
+	// Encrypt with RSA
+	encrypted, err := rsa.EncryptPKCS1v15(cryptoRand.Reader, rsaPubKey, []byte(hashedPassword))
+	if err != nil {
+		return "", err
+	}
+
+	// Convert to hex string
+	return hex.EncodeToString(encrypted), nil
+}
+
+func IsEmailAddress(input string) bool {
+	emailRegex := regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
+	return emailRegex.MatchString(input)
+}
+
+func CreateHTTPClientWithSession() *http.Client {
+	jar, err := cookiejar.New(&cookiejar.Options{
+		PublicSuffixList: publicsuffix.List,
+	})
+
+	if err != nil {
+		return nil
+	}
+
+	return &http.Client{
+		Timeout: 30 * time.Second,
+		Jar:     jar,
+	}
+}