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