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<?php |
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namespace PassGenerator; |
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/** |
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* Generate random password string according to specific configurations. |
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* It can customize password length and minimum and maximum sizes. |
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* The allowed configuration options are: |
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* - upperCase: all alphabet upper letters [A-Z] |
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* - lowerCase: all alphabet lower letters [a-z] |
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* - digits: all numbers [0-9] |
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* - special: special symbols ~,!,@,#,... |
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* - brackets: all kind of brackets (,),{,},[,] |
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* - minus: minus sign - |
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* - underline: underline sign _ |
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* - space: space character |
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* - length: password string size |
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* |
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* @property string $password the generated password |
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* @property boolean $upperCase |
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* @property boolean $lowerCase |
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* @property boolean $digits |
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* @property boolean $special |
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* @property boolean $brackets |
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* @property boolean $minus |
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* @property boolean $underline |
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* @property boolean $space |
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* @property integer $length |
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* |
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* @author Lachezar Mihaylov <[email protected]> |
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* @license https://github.com/lmihaylov2512/pass-generator/blob/master/LICENSE.md MIT License |
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*/ |
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class Generator |
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{ |
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/** |
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* @var integer default minimum password size |
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*/ |
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const DEFAULT_MIN_LENGTH = 6; |
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/** |
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* @var integer default maximum password size |
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*/ |
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const DEFAULT_MAX_LENGTH = 32; |
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/** |
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* @var Detector environment detector instance |
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*/ |
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protected $detector; |
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/** |
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* @var array default configurations (key: type => value: configuration) |
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*/ |
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protected $defaults = [ |
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'upperCase' => true, |
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'lowerCase' => true, |
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'digits' => true, |
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'special' => false, |
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'brackets' => false, |
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'minus' => false, |
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'underline' => false, |
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'space' => false, |
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'length' => 12, |
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]; |
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/** |
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* @var array data storage |
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*/ |
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protected $data; |
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/** |
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* Detect environment, apply passed configuration and generate a password, if auto generating is turn on. |
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* |
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* @param array $config configurations array |
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* @param integer $minLength custom password minimum length |
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* @param integer $maxLength custom password maximum length |
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* @param boolean $autoGenerate whether generate password after initialization |
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*/ |
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public function __construct(array $config = [], int $minLength = self::DEFAULT_MIN_LENGTH, int $maxLength = self::DEFAULT_MAX_LENGTH, bool $autoGenerate = true) |
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{ |
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//detect environment |
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$this->detector = new Detector(); |
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//apply passed configurations |
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foreach ($config as $key => $val) { |
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if (array_key_exists($key, $this->defaults)) { |
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$this->defaults[$key] = !!$val; |
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} else if (array_key_exists($val, $this->defaults)) { |
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$this->defaults[$val] = true; |
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} else if (is_numeric($val) && $val >= $minLength && $val <= $maxLength) { |
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$this->defaults['length'] = (int) $val; |
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} |
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} |
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if ($autoGenerate) { |
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$this->generate(); |
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} |
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} |
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/** |
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* Get storage value or option according passed key. |
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* |
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* @param string $name specific storage key |
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* @return mixed the response value |
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*/ |
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public function __get(string $name) |
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{ |
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if (array_key_exists($name, $this->data)) { |
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return $this->data[$name]; |
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} else if (array_key_exists($name, $this->defaults)) { |
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return $this->defaults[$name]; |
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} |
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} |
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/** |
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* Change configuration type value. |
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* |
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* @param string $name configuration type |
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* @param boolean|integer $value the new value |
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* @return void |
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*/ |
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public function __set(string $name, $value) |
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{ |
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if (array_key_exists($name, $this->defaults)) { |
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$this->defaults[$name] = ($name === 'length') ? (int) $value : !!$value; |
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} |
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} |
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/** |
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* Generate the password based on configuration array. |
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* |
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* @return string the generated password |
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*/ |
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public function generate(): string |
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{ |
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//initial initilization |
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$chars = Storage::getCharacters(); |
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$pattern = ''; |
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foreach ($this->defaults as $type => $val) { |
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if ($val && isset($chars[$type])) { |
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$pattern .= $chars[$type]; |
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} |
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} |
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$pattern = str_shuffle($pattern); |
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$max = strlen($pattern) - 1; |
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$counter = $this->defaults['length']; |
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$this->data['password'] = ''; |
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if ($max < 0) { |
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return $this->data['password']; |
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} |
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while ($counter > 0) { |
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$this->data['password'] .= $pattern[mt_rand(0, $max)]; |
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$counter--; |
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} |
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return $this->data['password']; |
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} |
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} |
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