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* change for compute password strength.

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This commit is contained in:
wangyidong
2015-11-06 14:30:55 +08:00
parent 5f70edfbfd
commit e2c77e381c
11 changed files with 58 additions and 63 deletions
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module/user/model.php
+9 -27
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@@ -991,54 +991,36 @@ class userModel extends model
$strength = 0;
$length = strlen($password);
if(strtolower($password) != $password) $strength += 1;
if(strtoupper($password) == $password) $strength += 1;
if($length >= 4 && $length <= 7)
{
$strength += 1;
}
elseif($length >= 8 && $length <= 15)
{
$strength += 2;
}
elseif($length >= 16 && $length <= 35)
{
$strength += 3;
}
elseif($length > 35)
{
$strength += 4;
}
$uniqueChars = '';
$complexity = array();
$chars = str_split($password);
foreach($chars as $letter)
{
$asc = ord($letter);
if($asc >= 48 && $asc <= 57)
{
$strength += 2;
$complexity[2] = 2;
}
elseif($asc >= 65 && $asc <= 90)
{
$strength += 2;
$complexity[1] = 2;
}
elseif($asc >= 97 && $asc <= 122)
{
$strength += 1;
$complexity[0] = 1;
}
else
{
$strength += 3;
$complexity[3] = 3;
}
if(strpos($uniqueChars, $letter) === false) $uniqueChars .= $letter;
}
$strength += strlen($uniqueChars) * 2;
if(strlen($uniqueChars) > 4)$strength += strlen($uniqueChars) - 4;
$strength += array_sum($complexity) + (2 * (count($complexity) - 1));
if($length < 6 and $strength >= 10) $strength = 9;
$strength = $strength > 89 ? 89 : $strength;
$strength = $strength > 29 ? 29 : $strength;
$strength = floor($strength / 10);
$strength = floor($strength / 3);
return $strength;
}