mirror of
https://github.com/pocket-id/pocket-id.git
synced 2025-12-11 15:53:04 +03:00
27 lines
844 B
Go
27 lines
844 B
Go
package dto
|
|
|
|
import (
|
|
"log"
|
|
"regexp"
|
|
|
|
"github.com/gin-gonic/gin/binding"
|
|
"github.com/go-playground/validator/v10"
|
|
)
|
|
|
|
var validateUsername validator.Func = func(fl validator.FieldLevel) bool {
|
|
// [a-zA-Z0-9] : The username must start with an alphanumeric character
|
|
// [a-zA-Z0-9_.@-]* : The rest of the username can contain alphanumeric characters, dots, underscores, hyphens, and "@" symbols
|
|
// [a-zA-Z0-9]$ : The username must end with an alphanumeric character
|
|
regex := "^[a-zA-Z0-9][a-zA-Z0-9_.@-]*[a-zA-Z0-9]$"
|
|
matched, _ := regexp.MatchString(regex, fl.Field().String())
|
|
return matched
|
|
}
|
|
|
|
func init() {
|
|
if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
|
|
if err := v.RegisterValidation("username", validateUsername); err != nil {
|
|
log.Fatalf("Failed to register custom validation: %v", err)
|
|
}
|
|
}
|
|
}
|