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<?php |
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namespace Firesphere\BootstrapMFA\Extensions; |
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use DateTime; |
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use Firesphere\BootstrapMFA\Authenticators\BootstrapMFAAuthenticator; |
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use Firesphere\BootstrapMFA\Models\BackupCode; |
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use Firesphere\BootstrapMFA\Providers\BootstrapMFAProvider; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\Forms\CheckboxField; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\LiteralField; |
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use SilverStripe\Forms\Tab; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\ORM\DataList; |
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use SilverStripe\ORM\FieldType\DBDatetime; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Security\PasswordEncryptor; |
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use SilverStripe\Security\Security; |
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use SilverStripe\SiteConfig\SiteConfig; |
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/** |
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* Class MemberExtension |
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* |
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* @package Firesphere\BootstrapMFA |
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* @property Member|MemberExtension $owner |
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* @property boolean $MFAEnabled |
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* @property string $PrimaryMFA |
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* @property string $BackupCodeSalt |
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* @method DataList|BackupCode[] BackupCodes() |
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*/ |
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class MemberExtension extends DataExtension |
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{ |
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/** |
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* @var array |
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*/ |
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private static $db = [ |
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'MFAEnabled' => 'Boolean(false)', |
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'PrimaryMFA' => 'Varchar(255)', |
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'BackupCodeSalt' => 'Varchar(255)' |
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]; |
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/** |
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* @var array |
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*/ |
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private static $has_many = [ |
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'BackupCodes' => BackupCode::class |
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]; |
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/** |
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* @var bool |
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*/ |
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public $updateMFA = false; |
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/** |
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* @param FieldList $fields |
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*/ |
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public function updateCMSFields(FieldList $fields) |
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{ |
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// Force the updateMFA value of this field. This resolves that when it's checked and submitted |
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// The checkbox stays checked. |
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$this->updateMFA = false; |
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$fields->removeByName(['BackupCodes', 'PrimaryMFA', 'BackupCodeSalt']); |
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$session = Controller::curr()->getRequest()->getSession(); |
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$rootTabSet = $fields->fieldByName('Root'); |
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// We need to push the tab for unit tests |
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$tab = Tab::create( |
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'MFA', |
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_t(self::class . '.MFATAB', 'Multi Factor Authentication') |
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); |
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$rootTabSet->push( |
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$tab |
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); |
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$fields->addFieldToTab( |
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'Root.MFA', |
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$enabled = CheckboxField::create('MFAEnabled', _t(self::class . '.MFAEnabled', 'MFA Enabled')) |
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); |
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$fields->addFieldToTab( |
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'Root.MFA', |
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CheckboxField::create('updateMFA', _t(self::class . '.RESETMFA', 'Reset MFA codes')) |
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); |
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if ($session->get('tokens')) { |
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$field = LiteralField::create('tokens', $session->get('tokens')); |
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$fields->addFieldToTab('Root.MFA', $field); |
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$session->clear('tokens'); |
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} |
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} |
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/** |
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* Force enable MFA on the member if needed |
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*/ |
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public function onBeforeWrite() |
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{ |
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if (!$this->owner->MFAEnabled && SiteConfig::current_site_config()->ForceMFA) { |
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$this->owner->MFAEnabled = true; |
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$this->owner->updateMFA = true; |
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} |
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if (!$this->owner->BackupCodeSalt || $this->owner->updateMFA) { |
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$algorithm = Security::config()->get('password_encryption_algorithm'); |
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$encryptor = PasswordEncryptor::create_for_algorithm($algorithm); |
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// No password. It's not even used in the salt generation |
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$this->owner->BackupCodeSalt = $encryptor->salt(''); |
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} |
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} |
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/** |
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* |
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* @throws \Psr\Container\NotFoundExceptionInterface |
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* @throws \SilverStripe\ORM\ValidationException |
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*/ |
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public function onAfterWrite() |
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{ |
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parent::onAfterWrite(); |
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if ($this->owner->updateMFA) { |
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/** @var BootstrapMFAProvider $provider */ |
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$provider = Injector::inst()->get(BootstrapMFAProvider::class); |
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$provider->setMember($this->owner); |
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$provider->updateTokens(); |
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} |
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} |
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/** |
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* Check if a member is in grace period based on Created, date or enforcement |
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* @return bool |
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* @throws \Exception |
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*/ |
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public function isInGracePeriod() |
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{ |
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/** @var Member|MemberExtension $member */ |
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$member = $this->owner; |
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// If MFA is enabled on the member, we're always using it |
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if ($member->MFAEnabled) { |
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return false; |
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} |
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/** @var SiteConfig|SiteConfigExtension $config */ |
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$config = SiteConfig::current_site_config(); |
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// If MFA is not enforced, we're in an endless grace period |
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if ($config->ForceMFA === null) { |
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return true; |
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} |
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// Default the grace start day |
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$graceStartDay = ($member->Created > $config->ForceMFA) ? $member->Created : $config->ForceMFA; |
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$graceStartDay = new DateTime($graceStartDay); |
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$gracePeriodInDays = Config::inst()->get(BootstrapMFAAuthenticator::class, 'grace_period'); |
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$nowDate = new DateTime(DBDatetime::now()->Format(DBDatetime::ISO_DATE)); |
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$daysSinceGraceStart = $nowDate->diff($graceStartDay)->days; |
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return $daysSinceGraceStart < $gracePeriodInDays; |
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} |
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} |
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Firesphere /
silverstripe-bootstrapmfa
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