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<?php |
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/** |
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* @copyright Copyright (c) Flipbox Digital Limited |
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*/ |
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namespace flipbox\saml\sp\services\login; |
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use craft\elements\User as UserElement; |
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use craft\helpers\StringHelper; |
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use craft\models\UserGroup; |
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use flipbox\saml\sp\Saml; |
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use SAML2\Assertion; |
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use yii\base\UserException; |
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/** |
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* Class UserGroups |
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* @package flipbox\saml\sp\services |
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*/ |
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class UserGroups |
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{ |
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/** |
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* @param string $groupName |
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* @return UserGroup |
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* @throws UserException |
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* @throws \craft\errors\WrongEditionException |
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*/ |
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protected function findOrCreate($groupName): UserGroup |
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{ |
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$groupHandle = StringHelper::camelCase($groupName); |
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if (! $userGroup = \Craft::$app->getUserGroups()->getGroupByHandle($groupHandle)) { |
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if (! \Craft::$app->getUserGroups()->saveGroup( |
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$userGroup = new UserGroup( |
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[ |
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'name' => $groupName, |
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'handle' => $groupHandle, |
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] |
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) |
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) |
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) { |
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throw new UserException("Error saving new group {$groupHandle}"); |
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} |
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} |
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return $userGroup; |
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} |
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/** |
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* @param UserElement $user |
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* @param Assertion $assertion |
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* @return bool |
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* @throws UserException |
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* @throws \craft\errors\WrongEditionException |
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*/ |
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public function syncByAssertion(UserElement $user, Assertion $assertion) |
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{ |
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/** |
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* Nothing to do, move on |
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*/ |
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if (false === Saml::getInstance()->getSettings()->syncGroups) { |
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return true; |
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} |
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$groupNames = Saml::getInstance()->getSettings()->groupAttributeNames; |
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$groups = []; |
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/** |
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* Make sure there is an attribute statement |
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*/ |
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if (! $assertion->getAttributes()) { |
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Saml::debug( |
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'No attribute statement found, moving on.' |
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); |
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return true; |
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} |
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foreach ($assertion->getAttributes() as $attributeName => $attributeValue) { |
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Saml::debug( |
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sprintf( |
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'Is attribute group? "%s" in %s', |
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$attributeName, |
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json_encode($groupNames) |
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) |
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); |
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/** |
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* Is there a group name match? |
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* Match the attribute name to the specified name in the plugin settings |
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*/ |
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if (in_array($attributeName, $groupNames)) { |
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/** |
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* Loop thru all of the attributes values because they could have multiple values. |
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* Example XML: |
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* <saml2:Attribute Name="groups" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"> |
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* <saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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* xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string"> |
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* craft_admin |
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* </saml2:AttributeValue> |
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* <saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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* xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string"> |
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* craft_member |
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* </saml2:AttributeValue> |
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* </saml2:Attribute> |
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*/ |
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if (! is_array($attributeValue)) { |
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$attributeValue = [$attributeValue]; |
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} |
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foreach ($attributeValue as $values) { |
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if ($group = $this->findOrCreate($values)) { |
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Saml::debug( |
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sprintf( |
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'Assigning group: %s', |
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$group->name |
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) |
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); |
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$groups[] = $group->id; |
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} |
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} |
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} |
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} |
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/** |
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* just return if this is empty |
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*/ |
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if (empty($groups)) { |
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return true; |
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} |
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/** |
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* Get existing groups |
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*/ |
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$existingGroupIds = array_map( |
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function ($group) { |
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return (int)$group->id; |
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}, |
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$user->getGroups() |
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); |
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return \Craft::$app->getUsers()->assignUserToGroups( |
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$user->id, |
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array_unique( |
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array_merge( |
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$existingGroupIds, |
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$groups |
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) |
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) |
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); |
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} |
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/** |
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* @param UserElement $user |
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* @return bool|null |
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*/ |
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public function assignDefaultGroups(\craft\elements\User $user) |
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{ |
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$groups = array_merge( |
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$user->getGroups(), |
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$newGroups = $this->getDefaultGroups() |
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); |
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/** |
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* if it's not empty add the groups |
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*/ |
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if (! empty($newGroups)) { |
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$groupIds = array_map( |
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function ($group) { |
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return (int)$group->id; |
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}, |
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$groups |
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); |
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if (\Craft::$app->getUsers()->assignUserToGroups($user->id, array_unique($groupIds))) { |
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$user->setGroups($groups); |
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} |
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} |
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return null; |
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} |
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/** |
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* @return array |
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*/ |
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public function getDefaultGroups() |
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{ |
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$groups = []; |
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foreach (Saml::getInstance()->getSettings()->defaultGroupAssignments as $groupId) { |
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$groups[$groupId] = \Craft::$app->getUserGroups()->getGroupById($groupId); |
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} |
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return $groups; |
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} |
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} |
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flipboxfactory /
saml-sp
