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<?php |
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namespace kalanis\kw_auth\Mode; |
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use kalanis\kw_auth\AuthException; |
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use kalanis\kw_auth\Interfaces\IKauTranslations; |
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use kalanis\kw_auth\Interfaces\IMode; |
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use kalanis\kw_auth\Traits\TLang; |
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/** |
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* Class KwOrig |
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* @package kalanis\kw_auth\Mode |
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* older kwcms style of password hashing |
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*/ |
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class KwOrig implements IMode |
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{ |
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use TLang; |
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/** @var string */ |
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protected $salt = ''; |
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public function __construct(string $salt, ?IKauTranslations $lang = null) |
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{ |
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$this->setAuLang($lang); |
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$this->salt = $salt; |
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} |
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public function check(string $pass, string $hash): bool |
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{ |
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return $hash == $this->hashPassword($pass); |
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} |
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public function hash(string $pass, ?string $method = null): string |
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{ |
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return $this->hashPassword($pass); |
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} |
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/** |
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* @param string $input |
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* @throws AuthException |
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* @return string |
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*/ |
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protected function hashPassword(string $input): string |
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{ |
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return base64_encode(bin2hex($this->makeHash($this->passSalt($input)))); |
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} |
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private function passSalt(string $input): string |
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{ |
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$ln = strlen($input); |
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# pass is too long and salt too short |
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$salt = (strlen($this->salt) < ($ln*5)) |
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? str_repeat($this->salt, 5) |
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: $this->salt ; |
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return substr($salt, $ln, $ln) |
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. substr($input,0, intval($ln/2)) |
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. substr($salt,$ln*2, $ln) |
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. substr($input, intval($ln/2)) |
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. substr($salt,$ln*3, $ln); |
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} |
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/** |
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* @param string $word |
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* @throws AuthException |
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* @return string |
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*/ |
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private function makeHash(string $word): string |
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{ |
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if (function_exists('hash')) { |
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return strval(hash('sha256', $word)); |
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} |
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// @codeCoverageIgnoreStart |
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throw new AuthException($this->getAuLang()->kauHashFunctionNotFound()); |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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alex-kalanis /
kw_auth
