gopasscheck

[unmaintained] password strength checking utility
git clone git://mcdim.xyz/gopasscheck.git
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masks.go (3488B)

      1 package main
      2 
      3 import (
      4 	"fmt"
      5 	"regexp"
      6 )
      7 
      8 func must_match(regex string, pass string) bool {
      9 	match, _ := regexp.MatchString(regex, pass)
     10 	return match
     11 }
     12 
     13 
     14 func mask_test(pass string) { // according to pipal
     15 
     16 	str := " Password matches common mask "
     17 	var found bool
     18 
     19 	if (must_match("^[A-Za-z]{1,}$", pass)) {
     20 		fmt.Printf(RED + "[!]" + str + "^alpha{1,}$ (only letters)\n" + RESET)
     21 		found = true
     22 	}
     23 
     24 	if (must_match("^[0-9]{1,}$", pass)) {
     25 		fmt.Printf(RED + "[!]" + str + "^num{1,}$ (only numbers)\n" + RESET)
     26 		found = true
     27 	}
     28 
     29 	if (must_match("^[A-Za-z]{1,}[0-9]{1,}$", pass)) {
     30 		fmt.Printf(YEL + "[-]" + str + "^alpha{1,}num{1,}$\n" + RESET)
     31 		found = true
     32 	}
     33 
     34 	if (must_match("^[0-9]{1,}[A-Za-z]{1,}$", pass)) {
     35 		fmt.Printf(YEL + "[-]" + str + "^num{1,}alpha{1,}$\n" + RESET)
     36 		found = true
     37 	}
     38 
     39 	if (must_match("^[0-9]{1,}[^A-Za-z0-9]{1,}$", pass)) {
     40 		fmt.Printf(YEL + "[-]" + str + "^num{1,}symbol{1,}$\n" + RESET)
     41 		found = true
     42 	}
     43 
     44 	if (must_match("^[A-Za-z]{1,}[0-9]{1,}[^A-Za-z0-9]{1,}$", pass)) {
     45 		fmt.Printf(YEL + "[-]" + str + "^alpha{1,}num{1,}symbol{1,}$\n" + RESET)
     46 		found = true
     47 	}
     48 
     49 	if (must_match("[^A-Za-z0-9]{1,}$", pass)) {
     50 		fmt.Printf(BLUE + "[~]" + str + "any{1,}symbol{1,}$\n" + RESET)
     51 		found = true
     52 	}
     53 
     54 	if (must_match("^[A-Za-z]{1,}\\.[0-9]{1,}$", pass)) {
     55 		fmt.Printf(BLUE + "[~]" + str + "^letter{1,}\\.num{1,}$\n" + RESET)
     56 		found = true
     57 	}
     58 
     59 	if (must_match("^[0-9]{1,}\\.[A-Za-z]{1,}$", pass)) {
     60 		fmt.Printf(BLUE + "[~]" + str + "^num{1,}\\.char{1,}$\n" + RESET)
     61 		found = true
     62 	}
     63 
     64 	if (must_match("^[0-9]{1,}\\.[^A-Za-z0-9]{1,}$", pass)) {
     65 		fmt.Printf(BLUE + "[~]" + str + "^num{1,}\\.symbol{1,}$\n" + RESET)
     66 		found = true
     67 	}
     68 
     69 	if (must_match("^[^A-Za-z0-9]{1,}\\.[0-9]{1,}$", pass)) {
     70 		fmt.Printf(BLUE + "[~]" + str + "^num{1,}\\.symbol{1,}$\n" + RESET)
     71 		found = true
     72 	}
     73 
     74 	if (must_match("^[A-Za-z]{1,}123$", pass)) {
     75 		fmt.Printf(YEL + "[-]" + str + "^alpha{1,}123$\n" + RESET)
     76 		found = true
     77 	}
     78 
     79 	if (must_match("[A-Za-z]{1,}1$", pass)) {
     80 		fmt.Printf(BLUE + "[~]" + str + "*1$\n" + RESET)
     81 		found = true
     82 	}
     83 
     84 	if (must_match("123$", pass)) {
     85 		fmt.Printf(BLUE + "[~]" + str + "*123$\n" + RESET)
     86 		found = true
     87 	}
     88 
     89 	if (!found) {
     90 		fmt.Printf(GREEN + "[+] Password does not match any common mask\n" + RESET)
     91 	}
     92 }
     93 
     94 func popular_characters_test(pass string) { //according to lykan
     95 
     96 	var found bool
     97 
     98 	if (must_match("^[^A-Za-z]*[Aa][^A-Za-z]*$", pass)) {
     99 		fmt.Printf(YEL + "[-] Passowrd's only letter is the most common letter in passwords\n" + RESET)
    100 		found = true
    101 	}
    102 
    103 	if (must_match("^[^A-Za-z]*[Ee][^A-Za-z]*$", pass)) {
    104 		fmt.Printf(YEL + "[-] Passowrd's only letter is the second most common letter in passwords\n" + RESET)
    105 		found = true
    106 	}
    107 
    108 	if (must_match("^[^0-9]*1[^0-9]*$", pass)) {
    109 		fmt.Printf(YEL + "[-] Passowrd's only number is the most common number in passwords\n" + RESET)
    110 		found = true
    111 	}
    112 
    113 	if (must_match("^[^0-9]*0[^0-9]*$", pass)) {
    114 		fmt.Printf(YEL + "[-] Passowrd's only number is the second most common number in passwords\n" + RESET)
    115 		found = true
    116 	}
    117 
    118 	if (must_match("^[A-Za-z0-9]*\\.[A-Za-z0-9]*$", pass)) {
    119 		fmt.Printf(YEL + "[-] Passowrd's only symbol is the most common symbol in passwords\n" + RESET)
    120 		found = true
    121 	}
    122 
    123 	if (must_match("^[A-Za-z0-9]*-[A-Za-z0-9]*$", pass)) {
    124 		fmt.Printf(YEL + "[-] Passowrd's only symbol is the second most common symbol in passwords\n" + RESET)
    125 		found = true
    126 	}
    127 
    128 	if (!found) {
    129 		fmt.Printf(GREEN + "[+] Password does not overuse popular characters\n" + RESET)
    130 	}
    131 }