48 lines
1.5 KiB
Go
Executable file
48 lines
1.5 KiB
Go
Executable file
/*
|
|
ScheduleTogether Backend
|
|
Copyright (C) 2024, Zervó Zadachin
|
|
|
|
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License version 3
|
|
as published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License version 3 for more details.
|
|
|
|
This program incorporates external libraries for certain functionalities.
|
|
These libraries are covered by their respective licenses, and their usage
|
|
agreements are as outlined in their respective documentation or source
|
|
code.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package validation
|
|
|
|
import (
|
|
"fmt"
|
|
"regexp"
|
|
)
|
|
|
|
// ValidateEmail checks if the provided email address is valid
|
|
func ValidateEmail(email string) error {
|
|
// regex from https://golangcode.com/validate-email-address/
|
|
emailRegex := `^[a-zA-Z0-9.!#$%&'*+/=?^_` + "`" + `{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$`
|
|
|
|
// compile the regex
|
|
emailRegexCompiled, err := regexp.Compile(emailRegex)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if !emailRegexCompiled.MatchString(email) {
|
|
return fmt.Errorf("provided email address is not valid")
|
|
}
|
|
|
|
return nil
|
|
}
|