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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/jedib0t/go-passwords/passphrase" | ||
| "github.com/jedib0t/go-passwords/passphrase/dictionaries" | ||
| ) | ||
|
|
||
| var ( | ||
| flagCapitalized = flag.Bool("capitalize", false, "Capitalize all words?") | ||
| flagDictionary = flag.String("dictionary", "", "Path to dictionary file (default: built-in English words)") | ||
| flagHelp = flag.Bool("help", false, "Display this Help text") | ||
| flagNumPassphrases = flag.Int("num-passphrases", 10, "Number of passphrases to generate") | ||
| flagNumWords = flag.Int("num-words", 3, "Number of words in Passphrase") | ||
| flagPrintIndex = flag.Bool("index", false, "Print Index Value (1-indexed)") | ||
| flagSeed = flag.Uint64("seed", 0, "Seed value for non-sequenced mode (ignored if zero)") | ||
| flagWithNumber = flag.Bool("with-number", false, "Inject random number suffix?") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
| if *flagHelp { | ||
| printHelp() | ||
| os.Exit(0) | ||
| } | ||
|
|
||
| dictionary := dictionaries.English() | ||
| if *flagDictionary != "" { | ||
| bytes, err := os.ReadFile(*flagDictionary) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
| dictionary = strings.Split(string(bytes), "\n") | ||
| } | ||
| numWords := *flagNumWords | ||
| if numWords < 2 { | ||
| fmt.Printf("ERROR: value of --num-words way too low: %#v\n", numWords) | ||
| os.Exit(1) | ||
| } else if numWords > 16 { | ||
| fmt.Printf("ERROR: value of --num-words way too high: %#v\n", numWords) | ||
| os.Exit(1) | ||
| } | ||
| printIndex := *flagPrintIndex | ||
| seed := *flagSeed | ||
| if seed == 0 { | ||
| seed = uint64(time.Now().UnixNano()) | ||
| } | ||
|
|
||
| generator, err := passphrase.NewGenerator( | ||
| passphrase.WithCapitalizedWords(*flagCapitalized), | ||
| passphrase.WithDictionary(dictionary), | ||
| passphrase.WithNumWords(numWords), | ||
| passphrase.WithNumber(*flagWithNumber), | ||
| ) | ||
| if err != nil { | ||
| fmt.Printf("ERROR: failed to instantiate generator: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| generator.SetSeed(seed) | ||
|
|
||
| for idx := 0; idx < *flagNumPassphrases; idx++ { | ||
| if printIndex { | ||
| fmt.Printf("%d\t", idx+1) | ||
| } | ||
| fmt.Println(generator.Generate()) | ||
| } | ||
| } | ||
|
|
||
| func printHelp() { | ||
| fmt.Println(`passphrase-generator: Generate random passphrases. | ||
| Examples: | ||
| * passphrase-generator | ||
| // generate 10 passphrases | ||
| * passphrase-generator --capitalize --num-words=4 --with-number | ||
| // generate 10 passphrases with 4 words capitalized and with a number in there | ||
| Flags:`) | ||
| flag.PrintDefaults() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package dictionaries | ||
|
|
||
| import ( | ||
| _ "embed" // for embedding dictionary files | ||
| "sort" | ||
| "strings" | ||
| "sync" | ||
| ) | ||
|
|
||
| //go:embed english.txt | ||
| var englishTxtRaw string | ||
|
|
||
| var ( | ||
| englishWords []string | ||
| englishOnce sync.Once | ||
| ) | ||
|
|
||
| func init() { | ||
| englishOnce.Do(func() { | ||
| englishTxtRaw = strings.ReplaceAll(englishTxtRaw, "\r", "") | ||
| englishWords = strings.Split(englishTxtRaw, "\n") | ||
| sort.Strings(englishWords) | ||
| }) | ||
| } | ||
|
|
||
| // English returns all known English words. | ||
| func English() []string { | ||
| rsp := make([]string, len(englishWords)) | ||
| for idx := range rsp { | ||
| rsp[idx] = englishWords[idx] | ||
| } | ||
| return rsp | ||
| } |
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