A Class to validate password strength











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What would be the best approach to write this class.



This class validates 3 types of passwords,




  1. Normal

  2. Medium

  3. Strong


Github Link





<?php namespace aziRules;


use aziArguments;
use aziRulesContractsRuleInterface;

/**
* Class Password
*
* @package aziRules
*/
class Password implements RuleInterface
{
const NORMAL = 'normal';
const MEDIUM = 'medium';
const STRONG = 'strong';

protected $message = null;

/**
* @param $field
* @param $password
* @param Arguments $args
* @return mixed
*/
public function validate($field, $password, Arguments $args)
{
$type = $args->getVariables();

if ($type && $type != self::NORMAL) {
return $this->is($type[ 0 ], $password);
}

return $this->isNormal($password);
}

/**
* @param $strength
* @param $password
* @return bool
*/
public function is($strength, $password)
{
$method = sprintf("is%s", ucwords($strength));
return call_user_func([$this, $method], $password);
}

/**
* @param $password
* @return bool
*/
public function isNormal($password)
{
if (strlen($password) < 8) {
$this->message = '{field} must be at least 8 characters long';
return false;
}

if (!preg_match("#[a-zA-Z]#", $password)) {
$this->message = '{field} must contain at least one letter';
return false;
}


return true;
}

/**
* Checks a strong password
*
* @param $password
* @return bool
*/
public function isStrong($password)
{
if (!$this->isMedium($password)) {
return false;
}

if (!preg_match("#[!@#$%^&*()_+-=[]{};':"\|,.<>/?]+#", $password)) {
$this->message = '{field} must contain at least special character';
return false;
}

return true;
}

/**
* @param $password
* @return bool
*/
public function isMedium($password)
{
if (!$this->isNormal($password)) {
return false;
}

if (!preg_match("#[a-z]#", $password)) {
$this->message = '{field} must contain at least one lowercase letter';
return false;
}

if (!preg_match("#[A-Z]#", $password)) {
$this->message = '{field} must contain at least one uppercase letter';
return false;
}

return true;
}

/**
* @return mixed
*/
public function message()
{
if ($this->message) {
return $this->message;
}

return "{field} must be a good password";
}
}









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    up vote
    0
    down vote

    favorite












    What would be the best approach to write this class.



    This class validates 3 types of passwords,




    1. Normal

    2. Medium

    3. Strong


    Github Link





    <?php namespace aziRules;


    use aziArguments;
    use aziRulesContractsRuleInterface;

    /**
    * Class Password
    *
    * @package aziRules
    */
    class Password implements RuleInterface
    {
    const NORMAL = 'normal';
    const MEDIUM = 'medium';
    const STRONG = 'strong';

    protected $message = null;

    /**
    * @param $field
    * @param $password
    * @param Arguments $args
    * @return mixed
    */
    public function validate($field, $password, Arguments $args)
    {
    $type = $args->getVariables();

    if ($type && $type != self::NORMAL) {
    return $this->is($type[ 0 ], $password);
    }

    return $this->isNormal($password);
    }

    /**
    * @param $strength
    * @param $password
    * @return bool
    */
    public function is($strength, $password)
    {
    $method = sprintf("is%s", ucwords($strength));
    return call_user_func([$this, $method], $password);
    }

    /**
    * @param $password
    * @return bool
    */
    public function isNormal($password)
    {
    if (strlen($password) < 8) {
    $this->message = '{field} must be at least 8 characters long';
    return false;
    }

    if (!preg_match("#[a-zA-Z]#", $password)) {
    $this->message = '{field} must contain at least one letter';
    return false;
    }


    return true;
    }

    /**
    * Checks a strong password
    *
    * @param $password
    * @return bool
    */
    public function isStrong($password)
    {
    if (!$this->isMedium($password)) {
    return false;
    }

    if (!preg_match("#[!@#$%^&*()_+-=[]{};':"\|,.<>/?]+#", $password)) {
    $this->message = '{field} must contain at least special character';
    return false;
    }

    return true;
    }

    /**
    * @param $password
    * @return bool
    */
    public function isMedium($password)
    {
    if (!$this->isNormal($password)) {
    return false;
    }

    if (!preg_match("#[a-z]#", $password)) {
    $this->message = '{field} must contain at least one lowercase letter';
    return false;
    }

    if (!preg_match("#[A-Z]#", $password)) {
    $this->message = '{field} must contain at least one uppercase letter';
    return false;
    }

    return true;
    }

    /**
    * @return mixed
    */
    public function message()
    {
    if ($this->message) {
    return $this->message;
    }

    return "{field} must be a good password";
    }
    }









    share|improve this question


























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      What would be the best approach to write this class.



      This class validates 3 types of passwords,




      1. Normal

      2. Medium

      3. Strong


      Github Link





      <?php namespace aziRules;


      use aziArguments;
      use aziRulesContractsRuleInterface;

      /**
      * Class Password
      *
      * @package aziRules
      */
      class Password implements RuleInterface
      {
      const NORMAL = 'normal';
      const MEDIUM = 'medium';
      const STRONG = 'strong';

      protected $message = null;

      /**
      * @param $field
      * @param $password
      * @param Arguments $args
      * @return mixed
      */
      public function validate($field, $password, Arguments $args)
      {
      $type = $args->getVariables();

      if ($type && $type != self::NORMAL) {
      return $this->is($type[ 0 ], $password);
      }

      return $this->isNormal($password);
      }

      /**
      * @param $strength
      * @param $password
      * @return bool
      */
      public function is($strength, $password)
      {
      $method = sprintf("is%s", ucwords($strength));
      return call_user_func([$this, $method], $password);
      }

      /**
      * @param $password
      * @return bool
      */
      public function isNormal($password)
      {
      if (strlen($password) < 8) {
      $this->message = '{field} must be at least 8 characters long';
      return false;
      }

      if (!preg_match("#[a-zA-Z]#", $password)) {
      $this->message = '{field} must contain at least one letter';
      return false;
      }


      return true;
      }

      /**
      * Checks a strong password
      *
      * @param $password
      * @return bool
      */
      public function isStrong($password)
      {
      if (!$this->isMedium($password)) {
      return false;
      }

      if (!preg_match("#[!@#$%^&*()_+-=[]{};':"\|,.<>/?]+#", $password)) {
      $this->message = '{field} must contain at least special character';
      return false;
      }

      return true;
      }

      /**
      * @param $password
      * @return bool
      */
      public function isMedium($password)
      {
      if (!$this->isNormal($password)) {
      return false;
      }

      if (!preg_match("#[a-z]#", $password)) {
      $this->message = '{field} must contain at least one lowercase letter';
      return false;
      }

      if (!preg_match("#[A-Z]#", $password)) {
      $this->message = '{field} must contain at least one uppercase letter';
      return false;
      }

      return true;
      }

      /**
      * @return mixed
      */
      public function message()
      {
      if ($this->message) {
      return $this->message;
      }

      return "{field} must be a good password";
      }
      }









      share|improve this question















      What would be the best approach to write this class.



      This class validates 3 types of passwords,




      1. Normal

      2. Medium

      3. Strong


      Github Link





      <?php namespace aziRules;


      use aziArguments;
      use aziRulesContractsRuleInterface;

      /**
      * Class Password
      *
      * @package aziRules
      */
      class Password implements RuleInterface
      {
      const NORMAL = 'normal';
      const MEDIUM = 'medium';
      const STRONG = 'strong';

      protected $message = null;

      /**
      * @param $field
      * @param $password
      * @param Arguments $args
      * @return mixed
      */
      public function validate($field, $password, Arguments $args)
      {
      $type = $args->getVariables();

      if ($type && $type != self::NORMAL) {
      return $this->is($type[ 0 ], $password);
      }

      return $this->isNormal($password);
      }

      /**
      * @param $strength
      * @param $password
      * @return bool
      */
      public function is($strength, $password)
      {
      $method = sprintf("is%s", ucwords($strength));
      return call_user_func([$this, $method], $password);
      }

      /**
      * @param $password
      * @return bool
      */
      public function isNormal($password)
      {
      if (strlen($password) < 8) {
      $this->message = '{field} must be at least 8 characters long';
      return false;
      }

      if (!preg_match("#[a-zA-Z]#", $password)) {
      $this->message = '{field} must contain at least one letter';
      return false;
      }


      return true;
      }

      /**
      * Checks a strong password
      *
      * @param $password
      * @return bool
      */
      public function isStrong($password)
      {
      if (!$this->isMedium($password)) {
      return false;
      }

      if (!preg_match("#[!@#$%^&*()_+-=[]{};':"\|,.<>/?]+#", $password)) {
      $this->message = '{field} must contain at least special character';
      return false;
      }

      return true;
      }

      /**
      * @param $password
      * @return bool
      */
      public function isMedium($password)
      {
      if (!$this->isNormal($password)) {
      return false;
      }

      if (!preg_match("#[a-z]#", $password)) {
      $this->message = '{field} must contain at least one lowercase letter';
      return false;
      }

      if (!preg_match("#[A-Z]#", $password)) {
      $this->message = '{field} must contain at least one uppercase letter';
      return false;
      }

      return true;
      }

      /**
      * @return mixed
      */
      public function message()
      {
      if ($this->message) {
      return $this->message;
      }

      return "{field} must be a good password";
      }
      }






      php validation






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      edited 21 mins ago

























      asked 31 mins ago









      Azeem Hassni

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