ricochet-go/vendor/github.com/nbutton23/zxcvbn-go/matching/leet.go

69 lines
1.7 KiB
Go

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