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<?php namespace Anomaly\Streams\Platform\Support; |
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use Anomaly\UsersModule\Role\Contract\RoleInterface; |
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use Anomaly\UsersModule\User\Contract\UserInterface; |
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use Illuminate\Config\Repository; |
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use Illuminate\Contracts\Auth\Guard; |
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use Illuminate\Http\Request; |
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class Authorizer |
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{ |
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/** |
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* The auth utility. |
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* |
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* @var null|Guard |
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*/ |
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protected $guard = null; |
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/** |
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* The guest role. |
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* |
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* @var RoleInterface |
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*/ |
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protected $guest; |
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/** |
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* The config repository. |
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* |
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* @var Repository |
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*/ |
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protected $config; |
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/** |
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* The request object. |
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* |
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* @var Request |
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*/ |
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protected $request; |
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/** |
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* Create a new Authorizer instance. |
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* |
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* @param Guard $guard |
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* @param Repository $config |
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* @param Request $request |
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*/ |
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public function __construct(Guard $guard, Repository $config, Request $request) |
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{ |
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$this->guard = $guard; |
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$this->config = $config; |
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$this->request = $request; |
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} |
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/** |
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* Authorize a user against a permission. |
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* |
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* @param $permission |
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* @param UserInterface $user |
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* @return bool |
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*/ |
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public function authorize($permission, UserInterface $user = null) |
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{ |
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if (!$user) { |
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$user = $this->guard->user(); |
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} |
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if (!$user) { |
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$user = $this->request->user(); |
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} |
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if (!$user && $guest = $this->getGuest()) { |
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return $guest->hasPermission($permission); |
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} |
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if (!$user) { |
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return false; |
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} |
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return $this->checkPermission($permission, $user); |
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} |
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/** |
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* Authorize a user against any permission. |
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* |
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* @param array $permissions |
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* @param UserInterface $user |
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* @param bool $strict |
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* @return bool |
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*/ |
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View Code Duplication |
public function authorizeAny(array $permissions, UserInterface $user = null, $strict = false) |
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{ |
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if (!$user) { |
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$user = $this->guard->user(); |
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} |
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if (!$user) { |
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return !$strict; |
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} |
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foreach ($permissions as $permission) { |
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if ($this->checkPermission($permission, $user)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Authorize a user against all permission. |
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* |
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* @param array $permissions |
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* @param UserInterface $user |
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* @param bool $strict |
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* @return bool |
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*/ |
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View Code Duplication |
public function authorizeAll(array $permissions, UserInterface $user = null, $strict = false) |
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{ |
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if (!$user) { |
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$user = $this->guard->user(); |
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} |
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if (!$user) { |
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return !$strict; |
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} |
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foreach ($permissions as $permission) { |
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if (!$this->checkPermission($permission, $user)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Return a user's permission. |
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* |
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* @param $permission |
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* @param UserInterface $user |
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* @return bool |
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*/ |
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protected function checkPermission($permission, UserInterface $user) |
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{ |
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/* |
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* No permission, let it proceed. |
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*/ |
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if (!$permission) { |
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return true; |
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} |
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/* |
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* If the permission does not actually exist |
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* then we cant really do anything with it. |
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*/ |
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if (str_is('*::*.*', $permission) && !ends_with($permission, '*')) { |
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$parts = explode('.', str_replace('::', '.', $permission)); |
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$end = array_pop($parts); |
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$group = array_pop($parts); |
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$parts = explode('::', $permission); |
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// If it does not exist, we are authorized. |
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if (!in_array($end, (array)$this->config->get($parts[0] . '::permissions.' . $group))) { |
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return true; |
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} |
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} elseif (ends_with($permission, '*')) { |
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$parts = explode('::', $permission); |
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$addon = array_shift($parts); |
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/* |
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* Check vendor.module.slug::group.* |
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* then check vendor.module.slug::* |
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*/ |
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if (str_is('*.*.*::*.*.*', $permission)) { |
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$end = trim(substr($permission, strpos($permission, '::') + 2), '.*'); |
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if (!$permissions = $this->config->get($addon . '::permissions.' . $end)) { |
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return true; |
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} else { |
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return $user->hasAnyPermission($permissions); |
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} |
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} elseif (str_is('*.*.*::*.*', $permission)) { |
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$end = trim(substr($permission, strpos($permission, '::') + 2), '.*'); |
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View Code Duplication |
if (!$permissions = $this->config->get($addon . '::permissions.' . $end)) { |
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return true; |
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} else { |
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$check = []; |
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foreach ($permissions as &$permission) { |
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$check[] = $addon . '::' . $end . '.' . $permission; |
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} |
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return $user->hasAnyPermission($check); |
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} |
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View Code Duplication |
} else { |
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if (!$permissions = $this->config->get($addon . '::permissions')) { |
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return true; |
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} else { |
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$check = []; |
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foreach ($permissions as $group => &$permission) { |
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foreach ($permission as $access) { |
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$check[] = $addon . '::' . $group . '.' . $access; |
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} |
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} |
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return $user->hasAnyPermission($check); |
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} |
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} |
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} else { |
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$parts = explode('::', $permission); |
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$end = array_pop($parts); |
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if (!in_array($end, (array)$this->config->get($parts[0] . '::permissions'))) { |
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return true; |
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} |
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} |
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// Check if the user actually has permission. |
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if (!$user || !$user->hasPermission($permission)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Get the guest role. |
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* |
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* @return RoleInterface |
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*/ |
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public function getGuest() |
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{ |
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return $this->guest; |
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} |
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/** |
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* Set the guest role. |
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* |
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* @param RoleInterface $guest |
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* @return $this |
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*/ |
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public function setGuest(RoleInterface $guest) |
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{ |
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$this->guest = $guest; |
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return $this; |
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} |
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} |
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