58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package matching
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import (
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"strings"
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"github.com/nbutton23/zxcvbn-go/entropy"
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"github.com/nbutton23/zxcvbn-go/match"
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)
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func buildDictMatcher(dictName string, rankedDict map[string]int) func(password string) []match.Match {
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return func(password string) []match.Match {
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matches := dictionaryMatch(password, dictName, rankedDict)
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for _, v := range matches {
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v.DictionaryName = dictName
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}
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return matches
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}
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}
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func dictionaryMatch(password string, dictionaryName string, rankedDict map[string]int) []match.Match {
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var results []match.Match
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pwLower := strings.ToLower(password)
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pwLowerRunes := []rune(pwLower)
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length := len(pwLowerRunes)
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for i := 0; i < length; i++ {
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for j := i; j < length; j++ {
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word := pwLowerRunes[i : j+1]
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if val, ok := rankedDict[string(word)]; ok {
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matchDic := match.Match{Pattern: "dictionary",
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DictionaryName: dictionaryName,
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I: i,
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J: j,
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Token: string([]rune(password)[i : j+1]),
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}
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matchDic.Entropy = entropy.DictionaryEntropy(matchDic, float64(val))
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results = append(results, matchDic)
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}
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}
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}
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return results
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}
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func buildRankedDict(unrankedList []string) map[string]int {
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result := make(map[string]int)
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for i, v := range unrankedList {
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result[strings.ToLower(v)] = i + 1
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}
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return result
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}
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