79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package validators
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import (
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"regexp"
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)
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var (
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hasUpper = regexp.MustCompile(`[A-Z]`)
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hasLower = regexp.MustCompile(`[a-z]`)
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hasNumber = regexp.MustCompile(`[0-9]`)
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hasSpecial = regexp.MustCompile(`[!@#$%^&*(),.?":{}|<>]`)
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)
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// PasswordValidator valide la force d'un mot de passe
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type PasswordValidator struct {
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MinLength int
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}
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// NewPasswordValidator crée une nouvelle instance de PasswordValidator
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func NewPasswordValidator() *PasswordValidator {
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return &PasswordValidator{MinLength: 12}
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}
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// PasswordStrength représente le résultat de la validation d'un mot de passe
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type PasswordStrength struct {
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Valid bool
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Score int
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Details []string
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}
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// Validate valide la force d'un mot de passe selon les règles définies
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func (v *PasswordValidator) Validate(password string) (PasswordStrength, error) {
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strength := PasswordStrength{
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Valid: true,
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Details: []string{},
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}
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// Length check
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if len(password) < v.MinLength {
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strength.Valid = false
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strength.Details = append(strength.Details,
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"Password must be at least 12 characters long")
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return strength, nil
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}
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// Upper case check
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if !hasUpper.MatchString(password) {
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strength.Valid = false
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strength.Details = append(strength.Details, "Must contain uppercase letter")
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} else {
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strength.Score++
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}
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// Lower case check
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if !hasLower.MatchString(password) {
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strength.Valid = false
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strength.Details = append(strength.Details, "Must contain lowercase letter")
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} else {
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strength.Score++
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}
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// Number check
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if !hasNumber.MatchString(password) {
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strength.Valid = false
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strength.Details = append(strength.Details, "Must contain number")
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} else {
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strength.Score++
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}
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// Special character check
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if !hasSpecial.MatchString(password) {
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strength.Valid = false
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strength.Details = append(strength.Details, "Must contain special character")
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} else {
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strength.Score++
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}
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return strength, nil
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}
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