69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
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package matching
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import (
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"github.com/nbutton23/zxcvbn-go/entropy"
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"github.com/nbutton23/zxcvbn-go/match"
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"strings"
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)
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func l33tMatch(password string) []match.Match {
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substitutions := relevantL33tSubtable(password)
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permutations := getAllPermutationsOfLeetSubstitutions(password, substitutions)
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var matches []match.Match
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for _, permutation := range permutations {
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for _, mather := range DICTIONARY_MATCHERS {
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matches = append(matches, mather(permutation)...)
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}
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}
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for _, match := range matches {
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match.Entropy += entropy.ExtraLeetEntropy(match, password)
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match.DictionaryName = match.DictionaryName + "_3117"
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}
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return matches
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}
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func getAllPermutationsOfLeetSubstitutions(password string, substitutionsMap map[string][]string) []string {
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var permutations []string
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for index, char := range password {
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for value, splice := range substitutionsMap {
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for _, sub := range splice {
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if string(char) == sub {
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var permutation string
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permutation = password[:index] + value + password[index+1:]
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permutations = append(permutations, permutation)
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if index < len(permutation) {
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tempPermutations := getAllPermutationsOfLeetSubstitutions(permutation[index+1:], substitutionsMap)
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for _, temp := range tempPermutations {
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permutations = append(permutations, permutation[:index+1]+temp)
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}
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}
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}
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}
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}
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}
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return permutations
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}
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func relevantL33tSubtable(password string) map[string][]string {
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relevantSubs := make(map[string][]string)
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for key, values := range L33T_TABLE.Graph {
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for _, value := range values {
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if strings.Contains(password, value) {
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relevantSubs[key] = append(relevantSubs[key], value)
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}
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}
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}
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return relevantSubs
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}
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