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<?php |
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namespace SilverStripe\MFA\Extension; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\MFA\Authenticator\ChangePasswordHandler; |
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use SilverStripe\MFA\FormField\RegisteredMFAMethodListField; |
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use SilverStripe\MFA\Method\MethodInterface; |
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use SilverStripe\MFA\Model\RegisteredMethod; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\ORM\HasManyList; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Security\Permission; |
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use SilverStripe\Security\PermissionProvider; |
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use SilverStripe\Security\Security; |
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/** |
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* Extend Member to add relationship to registered methods and track some specific preferences |
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* |
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* @method RegisteredMethod[]|HasManyList RegisteredMFAMethods |
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* @property MethodInterface DefaultRegisteredMethod |
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* @property string DefaultRegisteredMethodID |
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* @property bool HasSkippedMFARegistration |
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* @property Member|MemberMFAExtension owner |
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*/ |
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class MemberMFAExtension extends DataExtension implements PermissionProvider |
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{ |
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const MFA_ADMINISTER_REGISTERED_METHODS = 'MFA_ADMINISTER_REGISTERED_METHODS'; |
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private static $has_many = [ |
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'RegisteredMFAMethods' => RegisteredMethod::class, |
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]; |
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private static $db = [ |
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'DefaultRegisteredMethodID' => 'Int', |
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'HasSkippedMFARegistration' => 'Boolean', |
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]; |
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/** |
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* Accessor for the `DefaultRegisteredMethod` property |
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* |
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* This is replicating the usual functionality of a has_one relation but does it like this so we can ensure the same |
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* instance of the MethodInterface is provided regardless if you access it through the has_one or the has_many. |
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* |
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* @return MethodInterface |
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*/ |
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public function getDefaultRegisteredMethod() |
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{ |
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return $this->owner->RegisteredMFAMethods()->byId($this->owner->DefaultRegisteredMethodID); |
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} |
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public function updateCMSFields(FieldList $fields) |
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{ |
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$fields->removeByName(['DefaultRegisteredMethodID', 'HasSkippedMFARegistration', 'RegisteredMFAMethods']); |
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if (!$this->currentUserCanViewMFAConfig() || !$this->owner->exists()) { |
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return $fields; |
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} |
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$fields->addFieldToTab( |
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'Root.Main', |
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$methodListField = RegisteredMFAMethodListField::create( |
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'MFASettings', |
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_t(__CLASS__ . '.MFA_SETTINGS_FIELD_LABEL', 'Multi Factor Authentication settings (MFA)'), |
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$this->owner |
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) |
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); |
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if (!$this->currentUserCanEditMFAConfig()) { |
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$methodListField->setReadonly(true); |
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} |
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return $fields; |
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} |
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/** |
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* Determines whether the logged in user has sufficient permission to see the MFA config for this Member. |
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* |
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* @return bool |
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*/ |
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public function currentUserCanViewMFAConfig() |
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{ |
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return (Permission::check(self::MFA_ADMINISTER_REGISTERED_METHODS) |
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|| $this->currentUserCanEditMFAConfig()); |
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} |
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/** |
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* Determines whether the logged in user has sufficient permission to modify the MFA config for this Member. |
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* Note that this is different from being able to _reset_ the config (which administrators can do). |
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* |
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* @return bool |
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*/ |
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public function currentUserCanEditMFAConfig() |
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{ |
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return (Security::getCurrentUser() && Security::getCurrentUser()->ID === $this->owner->ID); |
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} |
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/** |
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* Provides the MFA view/reset permission for selection in the permission list in the CMS. |
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* |
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* @return array |
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*/ |
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public function providePermissions() |
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{ |
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$label = _t( |
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__CLASS__ . '.MFA_PERMISSION_LABEL', |
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'View/reset MFA configuration for other members' |
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); |
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$category = _t( |
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'SilverStripe\\Security\\Permission.PERMISSIONS_CATEGORY', |
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'Roles and access permissions' |
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); |
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$description = _t( |
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__CLASS__ . '.MFA_PERMISSION_DESCRIPTION', |
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'Ability to view and reset registered MFA methods for other members.' |
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. ' Requires the "Access to \'Security\' section" permission.' |
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); |
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return [ |
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self::MFA_ADMINISTER_REGISTERED_METHODS => [ |
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'name' => $label, |
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'category' => $category, |
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'help' => $description, |
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'sort' => 200, |
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], |
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]; |
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} |
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/** |
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* Clear any temporary multi-factor authentication related session keys when a member is successfully logged in. |
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*/ |
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public function afterMemberLoggedIn() |
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{ |
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if (!Controller::has_curr()) { |
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return; |
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} |
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Controller::curr() |
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->getRequest() |
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->getSession() |
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->clear(ChangePasswordHandler::MFA_VERIFIED_ON_CHANGE_PASSWORD); |
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} |
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} |
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silverstripe /
silverstripe-mfa
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