Пример #1
0
 /**
  * Triggered before properties are looked up in specific nodes.
  *
  * @param DAV\PropFind $propFind
  * @param DAV\INode $node
  * @param array $requestedProperties
  * @param array $returnedProperties
  * @TODO really should be broken into multiple methods, or even a class.
  * @return bool
  */
 function propFind(DAV\PropFind $propFind, DAV\INode $node)
 {
     $path = $propFind->getPath();
     // Checking the read permission
     if (!$this->checkPrivileges($path, '{DAV:}read', self::R_PARENT, false)) {
         // User is not allowed to read properties
         // Returning false causes the property-fetching system to pretend
         // that the node does not exist, and will cause it to be hidden
         // from listings such as PROPFIND or the browser plugin.
         if ($this->hideNodesFromListings) {
             return false;
         }
         // Otherwise we simply mark every property as 403.
         foreach ($propFind->getRequestedProperties() as $requestedProperty) {
             $propFind->set($requestedProperty, null, 403);
         }
         return;
     }
     /* Adding principal properties */
     if ($node instanceof IPrincipal) {
         $propFind->handle('{DAV:}alternate-URI-set', function () use($node) {
             return new DAV\Property\HrefList($node->getAlternateUriSet());
         });
         $propFind->handle('{DAV:}principal-URL', function () use($node) {
             return new DAV\Property\Href($node->getPrincipalUrl() . '/');
         });
         $propFind->handle('{DAV:}group-member-set', function () use($node) {
             $members = $node->getGroupMemberSet();
             foreach ($members as $k => $member) {
                 $members[$k] = rtrim($member, '/') . '/';
             }
             return new DAV\Property\HrefList($members);
         });
         $propFind->handle('{DAV:}group-membership', function () use($node) {
             $members = $node->getGroupMembership();
             foreach ($members as $k => $member) {
                 $members[$k] = rtrim($member, '/') . '/';
             }
             return new DAV\Property\HrefList($members);
         });
         $propFind->handle('{DAV:}displayname', [$node, 'getDisplayName']);
     }
     $propFind->handle('{DAV:}principal-collection-set', function () {
         $val = $this->principalCollectionSet;
         // Ensuring all collections end with a slash
         foreach ($val as $k => $v) {
             $val[$k] = $v . '/';
         }
         return new DAV\Property\HrefList($val);
     });
     $propFind->handle('{DAV:}current-user-principal', function () {
         if ($url = $this->getCurrentUserPrincipal()) {
             return new Property\Principal(Property\Principal::HREF, $url . '/');
         } else {
             return new Property\Principal(Property\Principal::UNAUTHENTICATED);
         }
     });
     $propFind->handle('{DAV:}supported-privilege-set', function () use($node) {
         return new Property\SupportedPrivilegeSet($this->getSupportedPrivilegeSet($node));
     });
     $propFind->handle('{DAV:}current-user-privilege-set', function () use($node, $propFind, $path) {
         if (!$this->checkPrivileges($path, '{DAV:}read-current-user-privilege-set', self::R_PARENT, false)) {
             $propFind->set('{DAV:}current-user-privilege-set', null, 403);
         } else {
             $val = $this->getCurrentUserPrivilegeSet($node);
             if (!is_null($val)) {
                 return new Property\CurrentUserPrivilegeSet($val);
             }
         }
     });
     $propFind->handle('{DAV:}acl', function () use($node, $propFind, $path) {
         /* The ACL property contains all the permissions */
         if (!$this->checkPrivileges($path, '{DAV:}read-acl', self::R_PARENT, false)) {
             $propFind->set('{DAV:}acl', null, 403);
         } else {
             $acl = $this->getACL($node);
             if (!is_null($acl)) {
                 return new Property\Acl($this->getACL($node));
             }
         }
     });
     $propFind->handle('{DAV:}acl-restrictions', function () {
         return new Property\AclRestrictions();
     });
     /* Adding ACL properties */
     if ($node instanceof IACL) {
         $propFind->handle('{DAV:}owner', function () use($node) {
             return new DAV\Property\Href($node->getOwner() . '/');
         });
     }
 }