feat: add EIP712 verification, auth service implemention and jwt gen

pkg/validate/common/common.go

@@ -0,0 +1,64 @@
+package common
+
+import (
+	"backend/pkg/errors"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func IsValidPhone(value string) (bool, error) {
+	re := regexp.MustCompile(`^(?:0|\+98|0098)(\d{10})$`)
+	result := re.FindStringSubmatch(value)
+	if len(result) > 0 {
+		return true, nil
+	}
+	return false, errors.ErrPhoneInvalid
+}
+
+func IsValidNationalID(value string) (bool, error) {
+	valueCount := len(value)
+	if valueCount < 8 {
+		return false, errors.ErrNationalIDInvalid
+	}
+
+	if valueCount >= 8 && valueCount < 10 {
+		value = strings.Repeat("0", 10-valueCount) + value
+	}
+
+	var valueSlices []uint8
+	for _, s := range value {
+		i, err := strconv.ParseInt(string(s), 10, 8)
+		if err != nil {
+			return false, errors.ErrNationalIDInvalid
+		}
+		valueSlices = append(valueSlices, uint8(i))
+	}
+
+	s := calculateNationalIDNumbers(&valueSlices)
+
+	s %= 11
+	l := valueSlices[len(value)-1]
+	if (s < 2 && s != int(l)) || (s >= 2 && int(l) != 11-s) {
+		return false, errors.ErrNationalIDInvalid
+	}
+
+	return true, nil
+}
+
+func calculateNationalIDNumbers(valueSlices *[]uint8) (sum int) {
+	var i uint8
+	for i = 10; i >= 2; i-- {
+		sum += int(i * (*valueSlices)[10-i])
+	}
+	return sum
+}
+
+func IsValidPublicKey(value string) (bool, error) {
+	if !common.IsHexAddress(value) {
+		return false, errors.ErrWalletInvalid
+	}
+	return true, nil
+}