Initial QSfera import

Server/vendor/github.com/trustelem/zxcvbn/matching/dictionary.go

@@ -0,0 +1,61 @@
+package matching
+
+import (
+	"strings"
+
+	"github.com/trustelem/zxcvbn/match"
+)
+
+type dictionaryMatch struct {
+	rankedDictionaries map[string]rankedDictionnary
+}
+
+func (dm dictionaryMatch) Matches(password string) []*match.Match {
+	var results []*match.Match
+
+	for dictionaryName, rankedDict := range dm.rankedDictionaries {
+		for i := range password {
+			for delta := range password[i:] {
+				j := i + delta
+				word := strings.ToLower(password[i : j+1])
+				if val, ok := rankedDict[word]; ok {
+					matchDic := &match.Match{
+						Pattern:        "dictionary",
+						I:              i,
+						J:              j,
+						Token:          password[i : j+1],
+						MatchedWord:    word,
+						Rank:           val,
+						DictionaryName: dictionaryName,
+					}
+
+					results = append(results, matchDic)
+				}
+			}
+		}
+	}
+
+	match.Sort(results)
+	return results
+}
+
+func (dm dictionaryMatch) withDict(name string, d rankedDictionnary) dictionaryMatch {
+	rd2 := make(map[string]rankedDictionnary, len(dm.rankedDictionaries)+1)
+	for k, v := range dm.rankedDictionaries {
+		rd2[k] = v
+	}
+	rd2[name] = d
+	return dictionaryMatch{rankedDictionaries: rd2}
+}
+
+type rankedDictionnary map[string]int
+
+func buildRankedDict(unrankedList []string) rankedDictionnary {
+	result := make(rankedDictionnary)
+
+	for i, v := range unrankedList {
+		result[strings.ToLower(v)] = i + 1
+	}
+
+	return result
+}