add signup resolver

server/utils/verificationToken.go

@@ -0,0 +1,49 @@
+package utils
+
+import (
+	"time"
+
+	"github.com/golang-jwt/jwt"
+	"github.com/yauthdev/yauth/server/constants"
+)
+
+type UserInfo struct {
+	Email string `json:"email"`
+}
+
+type CustomClaimsExample struct {
+	*jwt.StandardClaims
+	TokenType string `json:"token_type"`
+	UserInfo
+}
+
+// TODO convert tokenType to enum
+func CreateVerificationToken(email string, tokenType string) (string, error) {
+	t := jwt.New(jwt.GetSigningMethod(constants.JWT_TYPE))
+
+	t.Claims = &CustomClaimsExample{
+		&jwt.StandardClaims{
+
+			ExpiresAt: time.Now().Add(time.Minute * 30).Unix(),
+		},
+		tokenType,
+		UserInfo{Email: email},
+	}
+
+	return t.SignedString([]byte(constants.JWT_SECRET))
+}
+
+func VerifyVerificationToken(email string, tokenType string) (string, error) {
+	t := jwt.New(jwt.GetSigningMethod(constants.JWT_TYPE))
+
+	t.Claims = &CustomClaimsExample{
+		&jwt.StandardClaims{
+
+			ExpiresAt: time.Now().Add(time.Minute * 30).Unix(),
+		},
+		tokenType,
+		UserInfo{Email: email},
+	}
+
+	return t.SignedString([]byte(constants.JWT_SECRET))
+}