zxcvbn-go/matching/matching.go

83 lines
2.6 KiB
Go

package matching
import (
"sort"
"github.com/nbutton23/zxcvbn-go/adjacency"
"github.com/nbutton23/zxcvbn-go/frequency"
"github.com/nbutton23/zxcvbn-go/match"
)
var (
dictionaryMatchers []match.Matcher
matchers []match.Matcher
adjacencyGraphs []adjacency.Graph
l33tTable adjacency.Graph
sequences map[string]string
)
func init() {
loadFrequencyList()
}
// Omnimatch runs all matchers against the password
func Omnimatch(password string, userInputs []string, filters ...func(match.Matcher) bool) (matches []match.Match) {
//Can I run into the issue where nil is not equal to nil?
if dictionaryMatchers == nil || adjacencyGraphs == nil {
loadFrequencyList()
}
if userInputs != nil {
userInputMatcher := buildDictMatcher("user_inputs", buildRankedDict(userInputs))
matches = userInputMatcher(password)
}
for _, matcher := range matchers {
shouldBeFiltered := false
for i := range filters {
if filters[i](matcher) {
shouldBeFiltered = true
break
}
}
if !shouldBeFiltered {
matches = append(matches, matcher.MatchingFunc(password)...)
}
}
sort.Sort(match.Matches(matches))
return matches
}
func loadFrequencyList() {
for n, list := range frequency.Lists {
dictionaryMatchers = append(dictionaryMatchers, match.Matcher{MatchingFunc: buildDictMatcher(n, buildRankedDict(list.List)), ID: n})
}
l33tTable = adjacency.GraphMap["l33t"]
adjacencyGraphs = append(adjacencyGraphs, adjacency.GraphMap["qwerty"])
adjacencyGraphs = append(adjacencyGraphs, adjacency.GraphMap["dvorak"])
adjacencyGraphs = append(adjacencyGraphs, adjacency.GraphMap["keypad"])
adjacencyGraphs = append(adjacencyGraphs, adjacency.GraphMap["macKeypad"])
//l33tFilePath, _ := filepath.Abs("adjacency/L33t.json")
//L33T_TABLE = adjacency.GetAdjancencyGraphFromFile(l33tFilePath, "l33t")
sequences = make(map[string]string)
sequences["lower"] = "abcdefghijklmnopqrstuvwxyz"
sequences["upper"] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
sequences["digits"] = "0123456789"
matchers = append(matchers, dictionaryMatchers...)
matchers = append(matchers, match.Matcher{MatchingFunc: spatialMatch, ID: spatialMatcherName})
matchers = append(matchers, match.Matcher{MatchingFunc: repeatMatch, ID: repeatMatcherName})
matchers = append(matchers, match.Matcher{MatchingFunc: sequenceMatch, ID: sequenceMatcherName})
matchers = append(matchers, match.Matcher{MatchingFunc: l33tMatch, ID: L33TMatcherName})
matchers = append(matchers, match.Matcher{MatchingFunc: dateSepMatcher, ID: dateSepMatcherName})
matchers = append(matchers, match.Matcher{MatchingFunc: dateWithoutSepMatch, ID: dateWithOutSepMatcherName})
}