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<?php |
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namespace ElliotSawyer\TOTPAuthenticator; |
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use Firesphere\BootstrapMFA\Providers\BootstrapMFAProvider; |
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use Firesphere\BootstrapMFA\Providers\MFAProvider; |
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use lfkeitel\phptotp\Base32; |
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use lfkeitel\phptotp\Totp; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\ORM\ValidationException; |
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use SilverStripe\ORM\ValidationResult; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Security\PasswordEncryptor_NotFoundException; |
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use ElliotSawyer\TOTPAuthenticator\TOTPAuthenticator; |
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/** |
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* Class TOTPProvider |
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* @package ElliotSawyer\TOTPAuthenticator |
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*/ |
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class TOTPProvider extends BootstrapMFAProvider implements MFAProvider |
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{ |
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/** |
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* @param string $token |
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* @param null $result |
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* @return bool|Member |
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* @throws ValidationException |
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* @throws PasswordEncryptor_NotFoundException |
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* @throws \Exception |
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*/ |
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public function verifyToken($token, &$result = null) |
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{ |
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if (!$result) { |
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$result = Injector::inst()->get(ValidationResult::class); |
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} |
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$member = $this->getMember(); |
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if ($member && $member->ID) { |
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if (!$token) { |
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$result->addError(_t(self::class . '.INVALIDORMISSINGTOKEN', 'Invalid or missing second factor token')); |
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} else { |
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$secret = Base32::decode($member->TOTPSecret); |
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$algorithm = TOTPAuthenticator::get_algorithm(); |
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$totp = new Totp($algorithm); |
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$key = $totp->GenerateToken($secret); |
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$user_submitted_key = $token; |
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if ($user_submitted_key !== $key) { |
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$result->addError( |
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_t(self::class . '.INVALIDORMISSINGTOKEN', 'Invalid or missing second factor token') |
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); |
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} else { |
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return $this->member; |
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} |
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} |
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} |
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return parent::verifyToken($token, $result); |
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} |
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} |
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elliot-sawyer /
totp-authenticator
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