1: <?php
  2: 
  3: /**
  4:  * Pry Framework
  5:  *
  6:  * LICENSE
  7:  *
  8:  * This source file is subject to the new BSD license that is bundled
  9:  * with this package in the file LICENSE.txt.
 10:  * 
 11:  */
 12: namespace Pry\Auth;
 13: /**
 14:  * Outils utiles pour la gestion d'authentification
 15:  * @category Pry
 16:  * @package Auth
 17:  * @version 1.0.0 
 18:  * @author Olivier ROGER <oroger.fr>
 19:  *       
 20:  *
 21:  */
 22: class Util
 23: {
 24: 
 25:     /**
 26:      * Calcul la complexité d'un mot de passe
 27:      * Basé sur système d'ajout et suppression de point :
 28:      *
 29:      * minuscule = +(longeur-nbMinuscule)*nbMinuscule
 30:      * majuscule = +((longeur-nbMajus)*nbMajus)+3
 31:      * chiffre   = +nbChiffre*4
 32:      * Autre     = +nbAutre*8
 33:      *
 34:      * Retrait de point :
 35:      *
 36:      * - nbMinusculeConsecutive*2
 37:      * - nbMajConsecutive*2
 38:      * - nbChiffreConsec*2
 39:      * - nbAutreCharConsec
 40:      * - nbCharIdentique*3
 41:      *
 42:      * On peut juger les mdp comme suit 0-33 : mauvais; 33-66 : moyen; 66-100 : bon; 100+ : Excellent
 43:      *
 44:      * @param string $pass Mot de passe
 45:      * @return int
 46:      */
 47:     public static function passwordComplexity($pass)
 48:     {
 49: 
 50:         $longeur            = mb_strlen($pass);
 51:         $numMin             = 0;
 52:         $numMaj             = 0;
 53:         $numChiffre         = 0;
 54:         $numOther           = 0;
 55:         $consecMinLetter    = 0;
 56:         $consecMajLetter    = 0;
 57:         $consecNum          = 0;
 58:         $consecChar         = 0;
 59:         $sameChar           = 0;
 60: 
 61:         if ($longeur > 2)
 62:         {
 63:             for ($i = 0; $i < $longeur; $i++) {
 64:                 if ($pass[$i] >= 'a' && $pass[$i] <= 'z')
 65:                 {
 66:                     $numMin++;
 67:                     if ($i > 0 && ($pass[$i - 1] >= 'a' && $pass[$i - 1] <= 'z'))
 68:                         $consecMinLetter++;
 69:                 }
 70:                 elseif ($pass[$i] >= 'A' && $pass[$i] <= 'Z')
 71:                 {
 72:                     $numMaj++;
 73:                     if ($i > 0 && ($pass[$i - 1] >= 'A' && $pass[$i - 1] <= 'Z'))
 74:                         $consecMajLetter++;
 75:                 }
 76:                 elseif ($pass[$i] >= 0 && $pass[$i] <= 9)
 77:                 {
 78:                     $numChiffre++;
 79:                     if ($i > 0 && ($pass[$i - 1] >= 0 && $pass[$i - 1] <= 9))
 80:                         $consecNum++;
 81:                 }
 82:                 else
 83:                 {
 84:                     $numOther++;
 85:                     if ($i > 0 && !preg_match('/^([a-zA-Z0-9]+)$/', $pass[$i - 1]))
 86:                         $consecChar++;
 87:                 }
 88: 
 89:                 if ($i > 0 && $pass[$i] == $pass[$i - 1])
 90:                     $sameChar++;
 91:             }
 92:             $positiveScore = ($longeur * 2) + (($longeur - $numMin) * $numMin) + ((($longeur - $numMaj) * $numMaj) + 3) +
 93:                     ($numChiffre * 4) + ($numOther * 8);
 94:             $score = $positiveScore - (($consecMinLetter * 2) + ($consecMajLetter * 2) + ($consecNum * 2) + $consecChar +
 95:                     ($sameChar * 3));
 96:             return $score;
 97:         }
 98:         else
 99:         {
100:             return 0;
101:         }
102:     }
103: }
104: 
105: ?>