67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
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package irisutils
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import (
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"regexp"
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"github.com/go-playground/validator/v10"
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)
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type ValidationError struct {
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Field string `json:"field"`
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Tag string `json:"tag"`
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}
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var Validator = validator.New()
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var usernamePattern *regexp.Regexp
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var alphaNumExtra *regexp.Regexp
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var passNumber *regexp.Regexp
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var passLower *regexp.Regexp
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var passUpper *regexp.Regexp
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var passSign *regexp.Regexp
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func init() {
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usernamePattern = regexp.MustCompile(`^[a-zA-Z][a-zA-Z0-9\._-]{4,}$`)
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passNumber = regexp.MustCompile(`.*\d.*`)
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passLower = regexp.MustCompile(`.*[a-z].*`)
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passUpper = regexp.MustCompile(`.*[A-Z].*`)
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passSign = regexp.MustCompile(`.*[*\.!@#$%^&\(\)\{\}\[\]:";'<>,?/~_\+\-=|\\]+.*`)
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alphaNumExtra = regexp.MustCompile(`^[a-zA-Z0-9_\-\.]*$`)
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Validator.RegisterValidation("username", ValidateUsername)
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Validator.RegisterValidation("password", ValidatePassword)
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Validator.RegisterValidation("alphaNumExtra", ValidateAlphaNumExtra)
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}
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func ValidateAlphaNumExtra(fl validator.FieldLevel) bool {
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return alphaNumExtra.MatchString(fl.Field().String())
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}
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func ValidateUsername(fl validator.FieldLevel) bool {
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return usernamePattern.MatchString(fl.Field().String())
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}
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func ValidatePassword(fl validator.FieldLevel) bool {
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count := 0
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pass := fl.Field().String()
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if len(pass) >= 6 && len(pass) <= 256 {
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if passNumber.MatchString(pass) {
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count++
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}
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if passLower.MatchString(pass) {
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count++
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}
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if passUpper.MatchString(pass) {
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count++
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}
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if passSign.MatchString(pass) {
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count++
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}
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}
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return count >= 3
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}
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