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69 lines
1.5 KiB
69 lines
1.5 KiB
package main
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import (
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"fmt"
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"strings"
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"unicode"
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)
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type Validator struct {
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minLength, upper, lower, number, special int
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criteria ValidatorConf
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specialChars []rune
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}
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type ValidatorConf map[string]int
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func (vd *Validator) init(criteria ValidatorConf) {
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vd.specialChars = []rune{'[', '@', '_', '!', '#', '$', '%', '^', '&', '*', '(', ')', '<', '>', '?', '/', '\\', '|', '}', '{', '~', ':', ']'}
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vd.criteria = criteria
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}
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func (vd *Validator) validate(password string) map[string]bool {
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count := map[string]int{}
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for key, _ := range vd.criteria {
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count[key] = 0
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}
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for _, c := range password {
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count["characters"] += 1
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if unicode.IsUpper(c) {
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count["uppercase characters"] += 1
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} else if unicode.IsLower(c) {
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count["lowercase characters"] += 1
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} else if unicode.IsNumber(c) {
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count["numbers"] += 1
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} else {
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for _, s := range vd.specialChars {
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if c == s {
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count["special characters"] += 1
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}
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}
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}
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}
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results := map[string]bool{}
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for criterion, num := range count {
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if num < vd.criteria[criterion] {
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results[criterion] = false
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} else {
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results[criterion] = true
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}
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}
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return results
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}
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func (vd *Validator) getCriteria() map[string]string {
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lines := map[string]string{}
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for criterion, min := range vd.criteria {
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if min > 0 {
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text := fmt.Sprintf("Must have at least %d ", min)
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if min == 1 {
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text += strings.TrimSuffix(criterion, "s")
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} else {
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text += criterion
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}
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lines[criterion] = text
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}
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}
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return lines
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}
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