diff options
| author | Daniel Lange <DLange@git.local> | 2016-03-07 15:53:16 +0100 |
|---|---|---|
| committer | Daniel Lange <DLange@git.local> | 2016-03-07 15:53:16 +0100 |
| commit | 50569114acdc64e7c7cae1498635d3f821517c30 (patch) | |
| tree | 13d6fe76af33134fbfb2286930fb6603047f9299 /calendar/lib/SabreDAV/lib/OldSabre/DAVACL | |
| parent | c210d30de6c62e7f7867bb32651349ddf455d9e6 (diff) | |
| download | roundcube_calendar-50569114acdc64e7c7cae1498635d3f821517c30.tar.gz roundcube_calendar-50569114acdc64e7c7cae1498635d3f821517c30.tar.bz2 roundcube_calendar-50569114acdc64e7c7cae1498635d3f821517c30.zip | |
Initial commit of the Faster IT roundcube_calendar plugin distribution
This includes:
* Kolab plugins 3.2.9 (calendar and libcalendaring)
* CalDAV driver 3.2.8
* .htaccess files for at least some security
* SabreDAV updated to 1.8.12 (Jan 2015 release)
* Support for CURLOPT_SSL_* settings to allow self-signed certificates
* Small fixes & improved documentation
Diffstat (limited to 'calendar/lib/SabreDAV/lib/OldSabre/DAVACL')
21 files changed, 3534 insertions, 0 deletions
diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/AbstractPrincipalCollection.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/AbstractPrincipalCollection.php new file mode 100644 index 0000000..1367037 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/AbstractPrincipalCollection.php @@ -0,0 +1,155 @@ +<?php + +namespace OldSabre\DAVACL; +use OldSabre\DAV; + +/** + * Principals Collection + * + * This is a helper class that easily allows you to create a collection that + * has a childnode for every principal. + * + * To use this class, simply implement the getChildForPrincipal method. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +abstract class AbstractPrincipalCollection extends DAV\Collection implements IPrincipalCollection { + + /** + * Node or 'directory' name. + * + * @var string + */ + protected $path; + + /** + * Principal backend + * + * @var PrincipalBackend\BackendInterface + */ + protected $principalBackend; + + /** + * If this value is set to true, it effectively disables listing of users + * it still allows user to find other users if they have an exact url. + * + * @var bool + */ + public $disableListing = false; + + /** + * Creates the object + * + * This object must be passed the principal backend. This object will + * filter all principals from a specified prefix ($principalPrefix). The + * default is 'principals', if your principals are stored in a different + * collection, override $principalPrefix + * + * + * @param PrincipalBackend\BackendInterface $principalBackend + * @param string $principalPrefix + */ + public function __construct(PrincipalBackend\BackendInterface $principalBackend, $principalPrefix = 'principals') { + + $this->principalPrefix = $principalPrefix; + $this->principalBackend = $principalBackend; + + } + + /** + * This method returns a node for a principal. + * + * The passed array contains principal information, and is guaranteed to + * at least contain a uri item. Other properties may or may not be + * supplied by the authentication backend. + * + * @param array $principalInfo + * @return IPrincipal + */ + abstract function getChildForPrincipal(array $principalInfo); + + /** + * Returns the name of this collection. + * + * @return string + */ + public function getName() { + + list(,$name) = DAV\URLUtil::splitPath($this->principalPrefix); + return $name; + + } + + /** + * Return the list of users + * + * @return array + */ + public function getChildren() { + + if ($this->disableListing) + throw new DAV\Exception\MethodNotAllowed('Listing members of this collection is disabled'); + + $children = array(); + foreach($this->principalBackend->getPrincipalsByPrefix($this->principalPrefix) as $principalInfo) { + + $children[] = $this->getChildForPrincipal($principalInfo); + + + } + return $children; + + } + + /** + * Returns a child object, by its name. + * + * @param string $name + * @throws DAV\Exception\NotFound + * @return IPrincipal + */ + public function getChild($name) { + + $principalInfo = $this->principalBackend->getPrincipalByPath($this->principalPrefix . '/' . $name); + if (!$principalInfo) throw new DAV\Exception\NotFound('Principal with name ' . $name . ' not found'); + return $this->getChildForPrincipal($principalInfo); + + } + + /** + * This method is used to search for principals matching a set of + * properties. + * + * This search is specifically used by RFC3744's principal-property-search + * REPORT. You should at least allow searching on + * http://sabredav.org/ns}email-address. + * + * The actual search should be a unicode-non-case-sensitive search. The + * keys in searchProperties are the WebDAV property names, while the values + * are the property values to search on. + * + * If multiple properties are being searched on, the search should be + * AND'ed. + * + * This method should simply return a list of 'child names', which may be + * used to call $this->getChild in the future. + * + * @param array $searchProperties + * @return array + */ + public function searchPrincipals(array $searchProperties) { + + $result = $this->principalBackend->searchPrincipals($this->principalPrefix, $searchProperties); + $r = array(); + + foreach($result as $row) { + list(, $r[]) = DAV\URLUtil::splitPath($row); + } + + return $r; + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/AceConflict.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/AceConflict.php new file mode 100644 index 0000000..a636bdc --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/AceConflict.php @@ -0,0 +1,35 @@ +<?php + +namespace OldSabre\DAVACL\Exception; + +use OldSabre\DAV; + +/** + * This exception is thrown when a client attempts to set conflicting + * permissions. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class AceConflict extends DAV\Exception\Conflict { + + /** + * Adds in extra information in the xml response. + * + * This method adds the {DAV:}no-ace-conflict element as defined in rfc3744 + * + * @param DAV\Server $server + * @param \DOMElement $errorNode + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $errorNode) { + + $doc = $errorNode->ownerDocument; + + $np = $doc->createElementNS('DAV:','d:no-ace-conflict'); + $errorNode->appendChild($np); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NeedPrivileges.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NeedPrivileges.php new file mode 100644 index 0000000..c2c3ab1 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NeedPrivileges.php @@ -0,0 +1,83 @@ +<?php + +namespace OldSabre\DAVACL\Exception; + +use OldSabre\DAV; + +/** + * NeedPrivileges + * + * The 403-need privileges is thrown when a user didn't have the appropriate + * permissions to perform an operation + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class NeedPrivileges extends DAV\Exception\Forbidden { + + /** + * The relevant uri + * + * @var string + */ + protected $uri; + + /** + * The privileges the user didn't have. + * + * @var array + */ + protected $privileges; + + /** + * Constructor + * + * @param string $uri + * @param array $privileges + */ + public function __construct($uri,array $privileges) { + + $this->uri = $uri; + $this->privileges = $privileges; + + parent::__construct('User did not have the required privileges (' . implode(',', $privileges) . ') for path "' . $uri . '"'); + + } + + /** + * Adds in extra information in the xml response. + * + * This method adds the {DAV:}need-privileges element as defined in rfc3744 + * + * @param DAV\Server $server + * @param \DOMElement $errorNode + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $errorNode) { + + $doc = $errorNode->ownerDocument; + + $np = $doc->createElementNS('DAV:','d:need-privileges'); + $errorNode->appendChild($np); + + foreach($this->privileges as $privilege) { + + $resource = $doc->createElementNS('DAV:','d:resource'); + $np->appendChild($resource); + + $resource->appendChild($doc->createElementNS('DAV:','d:href',$server->getBaseUri() . $this->uri)); + + $priv = $doc->createElementNS('DAV:','d:privilege'); + $resource->appendChild($priv); + + preg_match('/^{([^}]*)}(.*)$/',$privilege,$privilegeParts); + $priv->appendChild($doc->createElementNS($privilegeParts[1],'d:' . $privilegeParts[2])); + + + } + + } + +} + diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NoAbstract.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NoAbstract.php new file mode 100644 index 0000000..b7c78d9 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NoAbstract.php @@ -0,0 +1,35 @@ +<?php + +namespace OldSabre\DAVACL\Exception; + +use OldSabre\DAV; + +/** + * This exception is thrown when a user tries to set a privilege that's marked + * as abstract. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class NoAbstract extends DAV\Exception\PreconditionFailed { + + /** + * Adds in extra information in the xml response. + * + * This method adds the {DAV:}no-abstract element as defined in rfc3744 + * + * @param DAV\Server $server + * @param \DOMElement $errorNode + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $errorNode) { + + $doc = $errorNode->ownerDocument; + + $np = $doc->createElementNS('DAV:','d:no-abstract'); + $errorNode->appendChild($np); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotRecognizedPrincipal.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotRecognizedPrincipal.php new file mode 100644 index 0000000..c7f99e8 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotRecognizedPrincipal.php @@ -0,0 +1,35 @@ +<?php + +namespace OldSabre\DAVACL\Exception; + +use OldSabre\DAV; + +/** + * If a client tried to set a privilege assigned to a non-existant principal, + * this exception will be thrown. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class NotRecognizedPrincipal extends DAV\Exception\PreconditionFailed { + + /** + * Adds in extra information in the xml response. + * + * This method adds the {DAV:}recognized-principal element as defined in rfc3744 + * + * @param DAV\Server $server + * @param \DOMElement $errorNode + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $errorNode) { + + $doc = $errorNode->ownerDocument; + + $np = $doc->createElementNS('DAV:','d:recognized-principal'); + $errorNode->appendChild($np); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotSupportedPrivilege.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotSupportedPrivilege.php new file mode 100644 index 0000000..7e3adb6 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Exception/NotSupportedPrivilege.php @@ -0,0 +1,35 @@ +<?php + +namespace OldSabre\DAVACL\Exception; + +use OldSabre\DAV; + +/** + * If a client tried to set a privilege that doesn't exist, this exception will + * be thrown. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class NotSupportedPrivilege extends DAV\Exception\PreconditionFailed { + + /** + * Adds in extra information in the xml response. + * + * This method adds the {DAV:}not-supported-privilege element as defined in rfc3744 + * + * @param DAV\Server $server + * @param \DOMElement $errorNode + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $errorNode) { + + $doc = $errorNode->ownerDocument; + + $np = $doc->createElementNS('DAV:','d:not-supported-privilege'); + $errorNode->appendChild($np); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IACL.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IACL.php new file mode 100644 index 0000000..7e0508f --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IACL.php @@ -0,0 +1,74 @@ +<?php + +namespace OldSabre\DAVACL; +use OldSabre\DAV; + +/** + * ACL-enabled node + * + * If you want to add WebDAV ACL to a node, you must implement this class + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +interface IACL extends DAV\INode { + + /** + * Returns the owner principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + function getOwner(); + + /** + * Returns a group principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + function getGroup(); + + /** + * Returns a list of ACE's for this node. + * + * Each ACE has the following properties: + * * 'privilege', a string such as {DAV:}read or {DAV:}write. These are + * currently the only supported privileges + * * 'principal', a url to the principal who owns the node + * * 'protected' (optional), indicating that this ACE is not allowed to + * be updated. + * + * @return array + */ + function getACL(); + + /** + * Updates the ACL + * + * This method will receive a list of new ACE's as an array argument. + * + * @param array $acl + * @return void + */ + function setACL(array $acl); + + /** + * Returns the list of supported privileges for this node. + * + * The returned data structure is a list of nested privileges. + * See OldSabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple + * standard structure. + * + * If null is returned from this method, the default privilege set is used, + * which is fine for most common usecases. + * + * @return array|null + */ + function getSupportedPrivilegeSet(); + + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipal.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipal.php new file mode 100644 index 0000000..3e2c95a --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipal.php @@ -0,0 +1,77 @@ +<?php + +namespace OldSabre\DAVACL; + +use OldSabre\DAV; + +/** + * IPrincipal interface + * + * Implement this interface to define your own principals + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +interface IPrincipal extends DAV\INode { + + /** + * Returns a list of alternative urls for a principal + * + * This can for example be an email address, or ldap url. + * + * @return array + */ + function getAlternateUriSet(); + + /** + * Returns the full principal url + * + * @return string + */ + function getPrincipalUrl(); + + /** + * Returns the list of group members + * + * If this principal is a group, this function should return + * all member principal uri's for the group. + * + * @return array + */ + function getGroupMemberSet(); + + /** + * Returns the list of groups this principal is member of + * + * If this principal is a member of a (list of) groups, this function + * should return a list of principal uri's for it's members. + * + * @return array + */ + function getGroupMembership(); + + /** + * Sets a list of group members + * + * If this principal is a group, this method sets all the group members. + * The list of members is always overwritten, never appended to. + * + * This method should throw an exception if the members could not be set. + * + * @param array $principals + * @return void + */ + function setGroupMemberSet(array $principals); + + /** + * Returns the displayname + * + * This should be a human readable name for the principal. + * If none is available, return the nodename. + * + * @return string + */ + function getDisplayName(); + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipalCollection.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipalCollection.php new file mode 100644 index 0000000..13a6c53 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/IPrincipalCollection.php @@ -0,0 +1,42 @@ +<?php + +namespace OldSabre\DAVACL; + +use OldSabre\DAV; + +/** + * Principal Collection interface. + * + * Implement this interface to ensure that your principal collection can be + * searched using the principal-property-search REPORT. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +interface IPrincipalCollection extends DAV\INode { + + /** + * This method is used to search for principals matching a set of + * properties. + * + * This search is specifically used by RFC3744's principal-property-search + * REPORT. You should at least allow searching on + * http://sabredav.org/ns}email-address. + * + * The actual search should be a unicode-non-case-sensitive search. The + * keys in searchProperties are the WebDAV property names, while the values + * are the property values to search on. + * + * If multiple properties are being searched on, the search should be + * AND'ed. + * + * This method should simply return a list of 'child names', which may be + * used to call $this->getChild in the future. + * + * @param array $searchProperties + * @return array + */ + function searchPrincipals(array $searchProperties); + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Plugin.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Plugin.php new file mode 100644 index 0000000..f2cc020 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Plugin.php @@ -0,0 +1,1402 @@ +<?php + +namespace OldSabre\DAVACL; +use OldSabre\DAV; + +/** + * SabreDAV ACL Plugin + * + * This plugin provides functionality to enforce ACL permissions. + * ACL is defined in RFC3744. + * + * In addition it also provides support for the {DAV:}current-user-principal + * property, defined in RFC5397 and the {DAV:}expand-property report, as + * defined in RFC3253. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Plugin extends DAV\ServerPlugin { + + /** + * Recursion constants + * + * This only checks the base node + */ + const R_PARENT = 1; + + /** + * Recursion constants + * + * This checks every node in the tree + */ + const R_RECURSIVE = 2; + + /** + * Recursion constants + * + * This checks every parentnode in the tree, but not leaf-nodes. + */ + const R_RECURSIVEPARENTS = 3; + + /** + * Reference to server object. + * + * @var OldSabre\DAV\Server + */ + protected $server; + + /** + * List of urls containing principal collections. + * Modify this if your principals are located elsewhere. + * + * @var array + */ + public $principalCollectionSet = array( + 'principals', + ); + + /** + * By default ACL is only enforced for nodes that have ACL support (the + * ones that implement IACL). For any other node, access is + * always granted. + * + * To override this behaviour you can turn this setting off. This is useful + * if you plan to fully support ACL in the entire tree. + * + * @var bool + */ + public $allowAccessToNodesWithoutACL = true; + + /** + * By default nodes that are inaccessible by the user, can still be seen + * in directory listings (PROPFIND on parent with Depth: 1) + * + * In certain cases it's desirable to hide inaccessible nodes. Setting this + * to true will cause these nodes to be hidden from directory listings. + * + * @var bool + */ + public $hideNodesFromListings = false; + + /** + * This string is prepended to the username of the currently logged in + * user. This allows the plugin to determine the principal path based on + * the username. + * + * @var string + */ + public $defaultUsernamePath = 'principals'; + + /** + * This list of properties are the properties a client can search on using + * the {DAV:}principal-property-search report. + * + * The keys are the property names, values are descriptions. + * + * @var array + */ + public $principalSearchPropertySet = array( + '{DAV:}displayname' => 'Display name', + '{http://sabredav.org/ns}email-address' => 'Email address', + ); + + /** + * Any principal uri's added here, will automatically be added to the list + * of ACL's. They will effectively receive {DAV:}all privileges, as a + * protected privilege. + * + * @var array + */ + public $adminPrincipals = array(); + + /** + * Returns a list of features added by this plugin. + * + * This list is used in the response of a HTTP OPTIONS request. + * + * @return array + */ + public function getFeatures() { + + return array('access-control', 'calendarserver-principal-property-search'); + + } + + /** + * Returns a list of available methods for a given url + * + * @param string $uri + * @return array + */ + public function getMethods($uri) { + + return array('ACL'); + + } + + /** + * Returns a plugin name. + * + * Using this name other plugins will be able to access other plugins + * using OldSabre\DAV\Server::getPlugin + * + * @return string + */ + public function getPluginName() { + + return 'acl'; + + } + + /** + * Returns a list of reports this plugin supports. + * + * This will be used in the {DAV:}supported-report-set property. + * Note that you still need to subscribe to the 'report' event to actually + * implement them + * + * @param string $uri + * @return array + */ + public function getSupportedReportSet($uri) { + + return array( + '{DAV:}expand-property', + '{DAV:}principal-property-search', + '{DAV:}principal-search-property-set', + ); + + } + + + /** + * Checks if the current user has the specified privilege(s). + * + * You can specify a single privilege, or a list of privileges. + * This method will throw an exception if the privilege is not available + * and return true otherwise. + * + * @param string $uri + * @param array|string $privileges + * @param int $recursion + * @param bool $throwExceptions if set to false, this method won't throw exceptions. + * @throws OldSabre\DAVACL\Exception\NeedPrivileges + * @return bool + */ + public function checkPrivileges($uri, $privileges, $recursion = self::R_PARENT, $throwExceptions = true) { + + if (!is_array($privileges)) $privileges = array($privileges); + + $acl = $this->getCurrentUserPrivilegeSet($uri); + + if (is_null($acl)) { + if ($this->allowAccessToNodesWithoutACL) { + return true; + } else { + if ($throwExceptions) + throw new Exception\NeedPrivileges($uri,$privileges); + else + return false; + + } + } + + $failed = array(); + foreach($privileges as $priv) { + + if (!in_array($priv, $acl)) { + $failed[] = $priv; + } + + } + + if ($failed) { + if ($throwExceptions) + throw new Exception\NeedPrivileges($uri,$failed); + else + return false; + } + return true; + + } + + /** + * Returns the standard users' principal. + * + * This is one authorative principal url for the current user. + * This method will return null if the user wasn't logged in. + * + * @return string|null + */ + public function getCurrentUserPrincipal() { + + $authPlugin = $this->server->getPlugin('auth'); + if (is_null($authPlugin)) return null; + /** @var $authPlugin OldSabre\DAV\Auth\Plugin */ + + $userName = $authPlugin->getCurrentUser(); + if (!$userName) return null; + + return $this->defaultUsernamePath . '/' . $userName; + + } + + + /** + * Returns a list of principals that's associated to the current + * user, either directly or through group membership. + * + * @return array + */ + public function getCurrentUserPrincipals() { + + $currentUser = $this->getCurrentUserPrincipal(); + + if (is_null($currentUser)) return array(); + + return array_merge( + array($currentUser), + $this->getPrincipalMembership($currentUser) + ); + + } + + /** + * This array holds a cache for all the principals that are associated with + * a single principal. + * + * @var array + */ + protected $principalMembershipCache = array(); + + + /** + * Returns all the principal groups the specified principal is a member of. + * + * @param string $principal + * @return array + */ + public function getPrincipalMembership($mainPrincipal) { + + // First check our cache + if (isset($this->principalMembershipCache[$mainPrincipal])) { + return $this->principalMembershipCache[$mainPrincipal]; + } + + $check = array($mainPrincipal); + $principals = array(); + + while(count($check)) { + + $principal = array_shift($check); + + $node = $this->server->tree->getNodeForPath($principal); + if ($node instanceof IPrincipal) { + foreach($node->getGroupMembership() as $groupMember) { + + if (!in_array($groupMember, $principals)) { + + $check[] = $groupMember; + $principals[] = $groupMember; + + } + + } + + } + + } + + // Store the result in the cache + $this->principalMembershipCache[$mainPrincipal] = $principals; + + return $principals; + + } + + /** + * Returns the supported privilege structure for this ACL plugin. + * + * See RFC3744 for more details. Currently we default on a simple, + * standard structure. + * + * You can either get the list of privileges by a uri (path) or by + * specifying a Node. + * + * @param string|DAV\INode $node + * @return array + */ + public function getSupportedPrivilegeSet($node) { + + if (is_string($node)) { + $node = $this->server->tree->getNodeForPath($node); + } + + if ($node instanceof IACL) { + $result = $node->getSupportedPrivilegeSet(); + + if ($result) + return $result; + } + + return self::getDefaultSupportedPrivilegeSet(); + + } + + /** + * Returns a fairly standard set of privileges, which may be useful for + * other systems to use as a basis. + * + * @return array + */ + static function getDefaultSupportedPrivilegeSet() { + + return array( + 'privilege' => '{DAV:}all', + 'abstract' => true, + 'aggregates' => array( + array( + 'privilege' => '{DAV:}read', + 'aggregates' => array( + array( + 'privilege' => '{DAV:}read-acl', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}read-current-user-privilege-set', + 'abstract' => true, + ), + ), + ), // {DAV:}read + array( + 'privilege' => '{DAV:}write', + 'aggregates' => array( + array( + 'privilege' => '{DAV:}write-acl', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}write-properties', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}write-content', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}bind', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}unbind', + 'abstract' => true, + ), + array( + 'privilege' => '{DAV:}unlock', + 'abstract' => true, + ), + ), + ), // {DAV:}write + ), + ); // {DAV:}all + + } + + /** + * Returns the supported privilege set as a flat list + * + * This is much easier to parse. + * + * The returned list will be index by privilege name. + * The value is a struct containing the following properties: + * - aggregates + * - abstract + * - concrete + * + * @param string|DAV\INode $node + * @return array + */ + final public function getFlatPrivilegeSet($node) { + + $privs = $this->getSupportedPrivilegeSet($node); + + $flat = array(); + $this->getFPSTraverse($privs, null, $flat); + + return $flat; + + } + + /** + * Traverses the privilege set tree for reordering + * + * This function is solely used by getFlatPrivilegeSet, and would have been + * a closure if it wasn't for the fact I need to support PHP 5.2. + * + * @param array $priv + * @param $concrete + * @param array $flat + * @return void + */ + final private function getFPSTraverse($priv, $concrete, &$flat) { + + $myPriv = array( + 'privilege' => $priv['privilege'], + 'abstract' => isset($priv['abstract']) && $priv['abstract'], + 'aggregates' => array(), + 'concrete' => isset($priv['abstract']) && $priv['abstract']?$concrete:$priv['privilege'], + ); + + if (isset($priv['aggregates'])) + foreach($priv['aggregates'] as $subPriv) $myPriv['aggregates'][] = $subPriv['privilege']; + + $flat[$priv['privilege']] = $myPriv; + + if (isset($priv['aggregates'])) { + + foreach($priv['aggregates'] as $subPriv) { + + $this->getFPSTraverse($subPriv, $myPriv['concrete'], $flat); + + } + + } + + } + + /** + * Returns the full ACL list. + * + * Either a uri or a DAV\INode may be passed. + * + * null will be returned if the node doesn't support ACLs. + * + * @param string|DAV\INode $node + * @return array + */ + public function getACL($node) { + + if (is_string($node)) { + $node = $this->server->tree->getNodeForPath($node); + } + if (!$node instanceof IACL) { + return null; + } + $acl = $node->getACL(); + foreach($this->adminPrincipals as $adminPrincipal) { + $acl[] = array( + 'principal' => $adminPrincipal, + 'privilege' => '{DAV:}all', + 'protected' => true, + ); + } + return $acl; + + } + + /** + * Returns a list of privileges the current user has + * on a particular node. + * + * Either a uri or a DAV\INode may be passed. + * + * null will be returned if the node doesn't support ACLs. + * + * @param string|DAV\INode $node + * @return array + */ + public function getCurrentUserPrivilegeSet($node) { + + if (is_string($node)) { + $node = $this->server->tree->getNodeForPath($node); + } + + $acl = $this->getACL($node); + + if (is_null($acl)) return null; + + $principals = $this->getCurrentUserPrincipals(); + + $collected = array(); + + foreach($acl as $ace) { + + $principal = $ace['principal']; + + switch($principal) { + + case '{DAV:}owner' : + $owner = $node->getOwner(); + if ($owner && in_array($owner, $principals)) { + $collected[] = $ace; + } + break; + + + // 'all' matches for every user + case '{DAV:}all' : + + // 'authenticated' matched for every user that's logged in. + // Since it's not possible to use ACL while not being logged + // in, this is also always true. + case '{DAV:}authenticated' : + $collected[] = $ace; + break; + + // 'unauthenticated' can never occur either, so we simply + // ignore these. + case '{DAV:}unauthenticated' : + break; + + default : + if (in_array($ace['principal'], $principals)) { + $collected[] = $ace; + } + break; + + } + + + } + + // Now we deduct all aggregated privileges. + $flat = $this->getFlatPrivilegeSet($node); + + $collected2 = array(); + while(count($collected)) { + + $current = array_pop($collected); + $collected2[] = $current['privilege']; + + foreach($flat[$current['privilege']]['aggregates'] as $subPriv) { + $collected2[] = $subPriv; + $collected[] = $flat[$subPriv]; + } + + } + + return array_values(array_unique($collected2)); + + } + + /** + * Principal property search + * + * This method can search for principals matching certain values in + * properties. + * + * This method will return a list of properties for the matched properties. + * + * @param array $searchProperties The properties to search on. This is a + * key-value list. The keys are property + * names, and the values the strings to + * match them on. + * @param array $requestedProperties This is the list of properties to + * return for every match. + * @param string $collectionUri The principal collection to search on. + * If this is ommitted, the standard + * principal collection-set will be used. + * @return array This method returns an array structure similar to + * OldSabre\DAV\Server::getPropertiesForPath. Returned + * properties are index by a HTTP status code. + * + */ + public function principalSearch(array $searchProperties, array $requestedProperties, $collectionUri = null) { + + if (!is_null($collectionUri)) { + $uris = array($collectionUri); + } else { + $uris = $this->principalCollectionSet; + } + + $lookupResults = array(); + foreach($uris as $uri) { + + $principalCollection = $this->server->tree->getNodeForPath($uri); + if (!$principalCollection instanceof IPrincipalCollection) { + // Not a principal collection, we're simply going to ignore + // this. + continue; + } + + $results = $principalCollection->searchPrincipals($searchProperties); + foreach($results as $result) { + $lookupResults[] = rtrim($uri,'/') . '/' . $result; + } + + } + + $matches = array(); + + foreach($lookupResults as $lookupResult) { + + list($matches[]) = $this->server->getPropertiesForPath($lookupResult, $requestedProperties, 0); + + } + + return $matches; + + } + + /** + * Sets up the plugin + * + * This method is automatically called by the server class. + * + * @param DAV\Server $server + * @return void + */ + public function initialize(DAV\Server $server) { + + $this->server = $server; + $server->subscribeEvent('beforeGetProperties',array($this,'beforeGetProperties')); + + $server->subscribeEvent('beforeMethod', array($this,'beforeMethod'),20); + $server->subscribeEvent('beforeBind', array($this,'beforeBind'),20); + $server->subscribeEvent('beforeUnbind', array($this,'beforeUnbind'),20); + $server->subscribeEvent('updateProperties',array($this,'updateProperties')); + $server->subscribeEvent('beforeUnlock', array($this,'beforeUnlock'),20); + $server->subscribeEvent('report',array($this,'report')); + $server->subscribeEvent('unknownMethod', array($this, 'unknownMethod')); + + array_push($server->protectedProperties, + '{DAV:}alternate-URI-set', + '{DAV:}principal-URL', + '{DAV:}group-membership', + '{DAV:}principal-collection-set', + '{DAV:}current-user-principal', + '{DAV:}supported-privilege-set', + '{DAV:}current-user-privilege-set', + '{DAV:}acl', + '{DAV:}acl-restrictions', + '{DAV:}inherited-acl-set', + '{DAV:}owner', + '{DAV:}group' + ); + + // Automatically mapping nodes implementing IPrincipal to the + // {DAV:}principal resourcetype. + $server->resourceTypeMapping['OldSabre\\DAVACL\\IPrincipal'] = '{DAV:}principal'; + + // Mapping the group-member-set property to the HrefList property + // class. + $server->propertyMap['{DAV:}group-member-set'] = 'OldSabre\\DAV\\Property\\HrefList'; + + } + + + /* {{{ Event handlers */ + + /** + * Triggered before any method is handled + * + * @param string $method + * @param string $uri + * @return void + */ + public function beforeMethod($method, $uri) { + + $exists = $this->server->tree->nodeExists($uri); + + // If the node doesn't exists, none of these checks apply + if (!$exists) return; + + switch($method) { + + case 'GET' : + case 'HEAD' : + case 'OPTIONS' : + // For these 3 we only need to know if the node is readable. + $this->checkPrivileges($uri,'{DAV:}read'); + break; + + case 'PUT' : + case 'LOCK' : + case 'UNLOCK' : + // This method requires the write-content priv if the node + // already exists, and bind on the parent if the node is being + // created. + // The bind privilege is handled in the beforeBind event. + $this->checkPrivileges($uri,'{DAV:}write-content'); + break; + + + case 'PROPPATCH' : + $this->checkPrivileges($uri,'{DAV:}write-properties'); + break; + + case 'ACL' : + $this->checkPrivileges($uri,'{DAV:}write-acl'); + break; + + case 'COPY' : + case 'MOVE' : + // Copy requires read privileges on the entire source tree. + // If the target exists write-content normally needs to be + // checked, however, we're deleting the node beforehand and + // creating a new one after, so this is handled by the + // beforeUnbind event. + // + // The creation of the new node is handled by the beforeBind + // event. + // + // If MOVE is used beforeUnbind will also be used to check if + // the sourcenode can be deleted. + $this->checkPrivileges($uri,'{DAV:}read',self::R_RECURSIVE); + + break; + + } + + } + + /** + * Triggered before a new node is created. + * + * This allows us to check permissions for any operation that creates a + * new node, such as PUT, MKCOL, MKCALENDAR, LOCK, COPY and MOVE. + * + * @param string $uri + * @return void + */ + public function beforeBind($uri) { + + list($parentUri,$nodeName) = DAV\URLUtil::splitPath($uri); + $this->checkPrivileges($parentUri,'{DAV:}bind'); + + } + + /** + * Triggered before a node is deleted + * + * This allows us to check permissions for any operation that will delete + * an existing node. + * + * @param string $uri + * @return void + */ + public function beforeUnbind($uri) { + + list($parentUri,$nodeName) = DAV\URLUtil::splitPath($uri); + $this->checkPrivileges($parentUri,'{DAV:}unbind',self::R_RECURSIVEPARENTS); + + } + + /** + * Triggered before a node is unlocked. + * + * @param string $uri + * @param DAV\Locks\LockInfo $lock + * @TODO: not yet implemented + * @return void + */ + public function beforeUnlock($uri, DAV\Locks\LockInfo $lock) { + + + } + + /** + * Triggered before properties are looked up in specific nodes. + * + * @param string $uri + * @param DAV\INode $node + * @param array $requestedProperties + * @param array $returnedProperties + * @TODO really should be broken into multiple methods, or even a class. + * @return bool + */ + public function beforeGetProperties($uri, DAV\INode $node, &$requestedProperties, &$returnedProperties) { + + // Checking the read permission + if (!$this->checkPrivileges($uri,'{DAV:}read',self::R_PARENT,false)) { + + // User is not allowed to read properties + if ($this->hideNodesFromListings) { + return false; + } + + // Marking all requested properties as '403'. + foreach($requestedProperties as $key=>$requestedProperty) { + unset($requestedProperties[$key]); + $returnedProperties[403][$requestedProperty] = null; + } + return; + + } + + /* Adding principal properties */ + if ($node instanceof IPrincipal) { + + if (false !== ($index = array_search('{DAV:}alternate-URI-set', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}alternate-URI-set'] = new DAV\Property\HrefList($node->getAlternateUriSet()); + + } + if (false !== ($index = array_search('{DAV:}principal-URL', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}principal-URL'] = new DAV\Property\Href($node->getPrincipalUrl() . '/'); + + } + if (false !== ($index = array_search('{DAV:}group-member-set', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}group-member-set'] = new DAV\Property\HrefList($node->getGroupMemberSet()); + + } + if (false !== ($index = array_search('{DAV:}group-membership', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}group-membership'] = new DAV\Property\HrefList($node->getGroupMembership()); + + } + + if (false !== ($index = array_search('{DAV:}displayname', $requestedProperties))) { + + $returnedProperties[200]['{DAV:}displayname'] = $node->getDisplayName(); + + } + + } + if (false !== ($index = array_search('{DAV:}principal-collection-set', $requestedProperties))) { + + unset($requestedProperties[$index]); + $val = $this->principalCollectionSet; + // Ensuring all collections end with a slash + foreach($val as $k=>$v) $val[$k] = $v . '/'; + $returnedProperties[200]['{DAV:}principal-collection-set'] = new DAV\Property\HrefList($val); + + } + if (false !== ($index = array_search('{DAV:}current-user-principal', $requestedProperties))) { + + unset($requestedProperties[$index]); + if ($url = $this->getCurrentUserPrincipal()) { + $returnedProperties[200]['{DAV:}current-user-principal'] = new Property\Principal(Property\Principal::HREF, $url . '/'); + } else { + $returnedProperties[200]['{DAV:}current-user-principal'] = new Property\Principal(Property\Principal::UNAUTHENTICATED); + } + + } + if (false !== ($index = array_search('{DAV:}supported-privilege-set', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}supported-privilege-set'] = new Property\SupportedPrivilegeSet($this->getSupportedPrivilegeSet($node)); + + } + if (false !== ($index = array_search('{DAV:}current-user-privilege-set', $requestedProperties))) { + + if (!$this->checkPrivileges($uri, '{DAV:}read-current-user-privilege-set', self::R_PARENT, false)) { + $returnedProperties[403]['{DAV:}current-user-privilege-set'] = null; + unset($requestedProperties[$index]); + } else { + $val = $this->getCurrentUserPrivilegeSet($node); + if (!is_null($val)) { + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}current-user-privilege-set'] = new Property\CurrentUserPrivilegeSet($val); + } + } + + } + + /* The ACL property contains all the permissions */ + if (false !== ($index = array_search('{DAV:}acl', $requestedProperties))) { + + if (!$this->checkPrivileges($uri, '{DAV:}read-acl', self::R_PARENT, false)) { + + unset($requestedProperties[$index]); + $returnedProperties[403]['{DAV:}acl'] = null; + + } else { + + $acl = $this->getACL($node); + if (!is_null($acl)) { + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}acl'] = new Property\Acl($this->getACL($node)); + } + + } + + } + + /* The acl-restrictions property contains information on how privileges + * must behave. + */ + if (false !== ($index = array_search('{DAV:}acl-restrictions', $requestedProperties))) { + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}acl-restrictions'] = new Property\AclRestrictions(); + } + + /* Adding ACL properties */ + if ($node instanceof IACL) { + + if (false !== ($index = array_search('{DAV:}owner', $requestedProperties))) { + + unset($requestedProperties[$index]); + $returnedProperties[200]['{DAV:}owner'] = new DAV\Property\Href($node->getOwner() . '/'); + + } + + } + + } + + /** + * This method intercepts PROPPATCH methods and make sure the + * group-member-set is updated correctly. + * + * @param array $propertyDelta + * @param array $result + * @param DAV\INode $node + * @return bool + */ + public function updateProperties(&$propertyDelta, &$result, DAV\INode $node) { + + if (!array_key_exists('{DAV:}group-member-set', $propertyDelta)) + return; + + if (is_null($propertyDelta['{DAV:}group-member-set'])) { + $memberSet = array(); + } elseif ($propertyDelta['{DAV:}group-member-set'] instanceof DAV\Property\HrefList) { + $memberSet = array_map( + array($this->server,'calculateUri'), + $propertyDelta['{DAV:}group-member-set']->getHrefs() + ); + } else { + throw new DAV\Exception('The group-member-set property MUST be an instance of OldSabre\DAV\Property\HrefList or null'); + } + + if (!($node instanceof IPrincipal)) { + $result[403]['{DAV:}group-member-set'] = null; + unset($propertyDelta['{DAV:}group-member-set']); + + // Returning false will stop the updateProperties process + return false; + } + + $node->setGroupMemberSet($memberSet); + // We must also clear our cache, just in case + + $this->principalMembershipCache = array(); + + $result[200]['{DAV:}group-member-set'] = null; + unset($propertyDelta['{DAV:}group-member-set']); + + } + + /** + * This method handles HTTP REPORT requests + * + * @param string $reportName + * @param \DOMNode $dom + * @return bool + */ + public function report($reportName, $dom) { + + switch($reportName) { + + case '{DAV:}principal-property-search' : + $this->principalPropertySearchReport($dom); + return false; + case '{DAV:}principal-search-property-set' : + $this->principalSearchPropertySetReport($dom); + return false; + case '{DAV:}expand-property' : + $this->expandPropertyReport($dom); + return false; + + } + + } + + /** + * This event is triggered for any HTTP method that is not known by the + * webserver. + * + * @param string $method + * @param string $uri + * @return bool + */ + public function unknownMethod($method, $uri) { + + if ($method!=='ACL') return; + + $this->httpACL($uri); + return false; + + } + + /** + * This method is responsible for handling the 'ACL' event. + * + * @param string $uri + * @return void + */ + public function httpACL($uri) { + + $body = $this->server->httpRequest->getBody(true); + $dom = DAV\XMLUtil::loadDOMDocument($body); + + $newAcl = + Property\Acl::unserialize($dom->firstChild) + ->getPrivileges(); + + // Normalizing urls + foreach($newAcl as $k=>$newAce) { + $newAcl[$k]['principal'] = $this->server->calculateUri($newAce['principal']); + } + + $node = $this->server->tree->getNodeForPath($uri); + + if (!($node instanceof IACL)) { + throw new DAV\Exception\MethodNotAllowed('This node does not support the ACL method'); + } + + $oldAcl = $this->getACL($node); + + $supportedPrivileges = $this->getFlatPrivilegeSet($node); + + /* Checking if protected principals from the existing principal set are + not overwritten. */ + foreach($oldAcl as $oldAce) { + + if (!isset($oldAce['protected']) || !$oldAce['protected']) continue; + + $found = false; + foreach($newAcl as $newAce) { + if ( + $newAce['privilege'] === $oldAce['privilege'] && + $newAce['principal'] === $oldAce['principal'] && + $newAce['protected'] + ) + $found = true; + } + + if (!$found) + throw new Exception\AceConflict('This resource contained a protected {DAV:}ace, but this privilege did not occur in the ACL request'); + + } + + foreach($newAcl as $newAce) { + + // Do we recognize the privilege + if (!isset($supportedPrivileges[$newAce['privilege']])) { + throw new Exception\NotSupportedPrivilege('The privilege you specified (' . $newAce['privilege'] . ') is not recognized by this server'); + } + + if ($supportedPrivileges[$newAce['privilege']]['abstract']) { + throw new Exception\NoAbstract('The privilege you specified (' . $newAce['privilege'] . ') is an abstract privilege'); + } + + // Looking up the principal + try { + $principal = $this->server->tree->getNodeForPath($newAce['principal']); + } catch (DAV\Exception\NotFound $e) { + throw new Exception\NotRecognizedPrincipal('The specified principal (' . $newAce['principal'] . ') does not exist'); + } + if (!($principal instanceof IPrincipal)) { + throw new Exception\NotRecognizedPrincipal('The specified uri (' . $newAce['principal'] . ') is not a principal'); + } + + } + $node->setACL($newAcl); + + } + + /* }}} */ + + /* Reports {{{ */ + + /** + * The expand-property report is defined in RFC3253 section 3-8. + * + * This report is very similar to a standard PROPFIND. The difference is + * that it has the additional ability to look at properties containing a + * {DAV:}href element, follow that property and grab additional elements + * there. + * + * Other rfc's, such as ACL rely on this report, so it made sense to put + * it in this plugin. + * + * @param \DOMElement $dom + * @return void + */ + protected function expandPropertyReport($dom) { + + $requestedProperties = $this->parseExpandPropertyReportRequest($dom->firstChild->firstChild); + $depth = $this->server->getHTTPDepth(0); + $requestUri = $this->server->getRequestUri(); + + $result = $this->expandProperties($requestUri,$requestedProperties,$depth); + + $dom = new \DOMDocument('1.0','utf-8'); + $dom->formatOutput = true; + $multiStatus = $dom->createElement('d:multistatus'); + $dom->appendChild($multiStatus); + + // Adding in default namespaces + foreach($this->server->xmlNamespaces as $namespace=>$prefix) { + + $multiStatus->setAttribute('xmlns:' . $prefix,$namespace); + + } + + foreach($result as $response) { + $response->serialize($this->server, $multiStatus); + } + + $xml = $dom->saveXML(); + $this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8'); + $this->server->httpResponse->sendStatus(207); + $this->server->httpResponse->sendBody($xml); + + } + + /** + * This method is used by expandPropertyReport to parse + * out the entire HTTP request. + * + * @param \DOMElement $node + * @return array + */ + protected function parseExpandPropertyReportRequest($node) { + + $requestedProperties = array(); + do { + + if (DAV\XMLUtil::toClarkNotation($node)!=='{DAV:}property') continue; + + if ($node->firstChild) { + + $children = $this->parseExpandPropertyReportRequest($node->firstChild); + + } else { + + $children = array(); + + } + + $namespace = $node->getAttribute('namespace'); + if (!$namespace) $namespace = 'DAV:'; + + $propName = '{'.$namespace.'}' . $node->getAttribute('name'); + $requestedProperties[$propName] = $children; + + } while ($node = $node->nextSibling); + + return $requestedProperties; + + } + + /** + * This method expands all the properties and returns + * a list with property values + * + * @param array $path + * @param array $requestedProperties the list of required properties + * @param int $depth + * @return array + */ + protected function expandProperties($path, array $requestedProperties, $depth) { + + $foundProperties = $this->server->getPropertiesForPath($path, array_keys($requestedProperties), $depth); + + $result = array(); + + foreach($foundProperties as $node) { + + foreach($requestedProperties as $propertyName=>$childRequestedProperties) { + + // We're only traversing if sub-properties were requested + if(count($childRequestedProperties)===0) continue; + + // We only have to do the expansion if the property was found + // and it contains an href element. + if (!array_key_exists($propertyName,$node[200])) continue; + + if ($node[200][$propertyName] instanceof DAV\Property\IHref) { + $hrefs = array($node[200][$propertyName]->getHref()); + } elseif ($node[200][$propertyName] instanceof DAV\Property\HrefList) { + $hrefs = $node[200][$propertyName]->getHrefs(); + } + + $childProps = array(); + foreach($hrefs as $href) { + $childProps = array_merge($childProps, $this->expandProperties($href, $childRequestedProperties, 0)); + } + $node[200][$propertyName] = new DAV\Property\ResponseList($childProps); + + } + $result[] = new DAV\Property\Response($node['href'], $node); + + } + + return $result; + + } + + /** + * principalSearchPropertySetReport + * + * This method responsible for handing the + * {DAV:}principal-search-property-set report. This report returns a list + * of properties the client may search on, using the + * {DAV:}principal-property-search report. + * + * @param \DOMDocument $dom + * @return void + */ + protected function principalSearchPropertySetReport(\DOMDocument $dom) { + + $httpDepth = $this->server->getHTTPDepth(0); + if ($httpDepth!==0) { + throw new DAV\Exception\BadRequest('This report is only defined when Depth: 0'); + } + + if ($dom->firstChild->hasChildNodes()) + throw new DAV\Exception\BadRequest('The principal-search-property-set report element is not allowed to have child elements'); + + $dom = new \DOMDocument('1.0','utf-8'); + $dom->formatOutput = true; + $root = $dom->createElement('d:principal-search-property-set'); + $dom->appendChild($root); + // Adding in default namespaces + foreach($this->server->xmlNamespaces as $namespace=>$prefix) { + + $root->setAttribute('xmlns:' . $prefix,$namespace); + + } + + $nsList = $this->server->xmlNamespaces; + + foreach($this->principalSearchPropertySet as $propertyName=>$description) { + + $psp = $dom->createElement('d:principal-search-property'); + $root->appendChild($psp); + + $prop = $dom->createElement('d:prop'); + $psp->appendChild($prop); + + $propName = null; + preg_match('/^{([^}]*)}(.*)$/',$propertyName,$propName); + + $currentProperty = $dom->createElement($nsList[$propName[1]] . ':' . $propName[2]); + $prop->appendChild($currentProperty); + + $descriptionElem = $dom->createElement('d:description'); + $descriptionElem->setAttribute('xml:lang','en'); + $descriptionElem->appendChild($dom->createTextNode($description)); + $psp->appendChild($descriptionElem); + + + } + + $this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8'); + $this->server->httpResponse->sendStatus(200); + $this->server->httpResponse->sendBody($dom->saveXML()); + + } + + /** + * principalPropertySearchReport + * + * This method is responsible for handing the + * {DAV:}principal-property-search report. This report can be used for + * clients to search for groups of principals, based on the value of one + * or more properties. + * + * @param \DOMDocument $dom + * @return void + */ + protected function principalPropertySearchReport(\DOMDocument $dom) { + + list($searchProperties, $requestedProperties, $applyToPrincipalCollectionSet) = $this->parsePrincipalPropertySearchReportRequest($dom); + + $uri = null; + if (!$applyToPrincipalCollectionSet) { + $uri = $this->server->getRequestUri(); + } + $result = $this->principalSearch($searchProperties, $requestedProperties, $uri); + + $prefer = $this->server->getHTTPPRefer(); + + $this->server->httpResponse->sendStatus(207); + $this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8'); + $this->server->httpResponse->setHeader('Vary','Brief,Prefer'); + $this->server->httpResponse->sendBody($this->server->generateMultiStatus($result, $prefer['return-minimal'])); + + } + + /** + * parsePrincipalPropertySearchReportRequest + * + * This method parses the request body from a + * {DAV:}principal-property-search report. + * + * This method returns an array with two elements: + * 1. an array with properties to search on, and their values + * 2. a list of propertyvalues that should be returned for the request. + * + * @param \DOMDocument $dom + * @return array + */ + protected function parsePrincipalPropertySearchReportRequest($dom) { + + $httpDepth = $this->server->getHTTPDepth(0); + if ($httpDepth!==0) { + throw new DAV\Exception\BadRequest('This report is only defined when Depth: 0'); + } + + $searchProperties = array(); + + $applyToPrincipalCollectionSet = false; + + // Parsing the search request + foreach($dom->firstChild->childNodes as $searchNode) { + + if (DAV\XMLUtil::toClarkNotation($searchNode) == '{DAV:}apply-to-principal-collection-set') { + $applyToPrincipalCollectionSet = true; + } + + if (DAV\XMLUtil::toClarkNotation($searchNode)!=='{DAV:}property-search') + continue; + + $propertyName = null; + $propertyValue = null; + + foreach($searchNode->childNodes as $childNode) { + + switch(DAV\XMLUtil::toClarkNotation($childNode)) { + + case '{DAV:}prop' : + $property = DAV\XMLUtil::parseProperties($searchNode); + reset($property); + $propertyName = key($property); + break; + + case '{DAV:}match' : + $propertyValue = $childNode->textContent; + break; + + } + + + } + + if (is_null($propertyName) || is_null($propertyValue)) + throw new DAV\Exception\BadRequest('Invalid search request. propertyname: ' . $propertyName . '. propertvvalue: ' . $propertyValue); + + $searchProperties[$propertyName] = $propertyValue; + + } + + return array($searchProperties, array_keys(DAV\XMLUtil::parseProperties($dom->firstChild)), $applyToPrincipalCollectionSet); + + } + + + /* }}} */ + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Principal.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Principal.php new file mode 100644 index 0000000..a78733d --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Principal.php @@ -0,0 +1,281 @@ +<?php + +namespace OldSabre\DAVACL; + +use OldSabre\DAV; + +/** + * Principal class + * + * This class is a representation of a simple principal + * + * Many WebDAV specs require a user to show up in the directory + * structure. + * + * This principal also has basic ACL settings, only allowing the principal + * access it's own principal. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Principal extends DAV\Node implements IPrincipal, DAV\IProperties, IACL { + + /** + * Struct with principal information. + * + * @var array + */ + protected $principalProperties; + + /** + * Principal backend + * + * @var PrincipalBackend\BackendInterface + */ + protected $principalBackend; + + /** + * Creates the principal object + * + * @param IPrincipalBackend $principalBackend + * @param array $principalProperties + */ + public function __construct(PrincipalBackend\BackendInterface $principalBackend, array $principalProperties = array()) { + + if (!isset($principalProperties['uri'])) { + throw new DAV\Exception('The principal properties must at least contain the \'uri\' key'); + } + $this->principalBackend = $principalBackend; + $this->principalProperties = $principalProperties; + + } + + /** + * Returns the full principal url + * + * @return string + */ + public function getPrincipalUrl() { + + return $this->principalProperties['uri']; + + } + + /** + * Returns a list of alternative urls for a principal + * + * This can for example be an email address, or ldap url. + * + * @return array + */ + public function getAlternateUriSet() { + + $uris = array(); + if (isset($this->principalProperties['{DAV:}alternate-URI-set'])) { + + $uris = $this->principalProperties['{DAV:}alternate-URI-set']; + + } + + if (isset($this->principalProperties['{http://sabredav.org/ns}email-address'])) { + $uris[] = 'mailto:' . $this->principalProperties['{http://sabredav.org/ns}email-address']; + } + + return array_unique($uris); + + } + + /** + * Returns the list of group members + * + * If this principal is a group, this function should return + * all member principal uri's for the group. + * + * @return array + */ + public function getGroupMemberSet() { + + return $this->principalBackend->getGroupMemberSet($this->principalProperties['uri']); + + } + + /** + * Returns the list of groups this principal is member of + * + * If this principal is a member of a (list of) groups, this function + * should return a list of principal uri's for it's members. + * + * @return array + */ + public function getGroupMembership() { + + return $this->principalBackend->getGroupMemberShip($this->principalProperties['uri']); + + } + + + /** + * Sets a list of group members + * + * If this principal is a group, this method sets all the group members. + * The list of members is always overwritten, never appended to. + * + * This method should throw an exception if the members could not be set. + * + * @param array $groupMembers + * @return void + */ + public function setGroupMemberSet(array $groupMembers) { + + $this->principalBackend->setGroupMemberSet($this->principalProperties['uri'], $groupMembers); + + } + + + /** + * Returns this principals name. + * + * @return string + */ + public function getName() { + + $uri = $this->principalProperties['uri']; + list(, $name) = DAV\URLUtil::splitPath($uri); + return $name; + + } + + /** + * Returns the name of the user + * + * @return string + */ + public function getDisplayName() { + + if (isset($this->principalProperties['{DAV:}displayname'])) { + return $this->principalProperties['{DAV:}displayname']; + } else { + return $this->getName(); + } + + } + + /** + * Returns a list of properties + * + * @param array $requestedProperties + * @return array + */ + public function getProperties($requestedProperties) { + + $newProperties = array(); + foreach($requestedProperties as $propName) { + + if (isset($this->principalProperties[$propName])) { + $newProperties[$propName] = $this->principalProperties[$propName]; + } + + } + + return $newProperties; + + } + + /** + * Updates this principals properties. + * + * @param array $mutations + * @see OldSabre\DAV\IProperties::updateProperties + * @return bool|array + */ + public function updateProperties($mutations) { + + return $this->principalBackend->updatePrincipal($this->principalProperties['uri'], $mutations); + + } + + /** + * Returns the owner principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + public function getOwner() { + + return $this->principalProperties['uri']; + + + } + + /** + * Returns a group principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + public function getGroup() { + + return null; + + } + + /** + * Returns a list of ACE's for this node. + * + * Each ACE has the following properties: + * * 'privilege', a string such as {DAV:}read or {DAV:}write. These are + * currently the only supported privileges + * * 'principal', a url to the principal who owns the node + * * 'protected' (optional), indicating that this ACE is not allowed to + * be updated. + * + * @return array + */ + public function getACL() { + + return array( + array( + 'privilege' => '{DAV:}read', + 'principal' => $this->getPrincipalUrl(), + 'protected' => true, + ), + ); + + } + + /** + * Updates the ACL + * + * This method will receive a list of new ACE's. + * + * @param array $acl + * @return void + */ + public function setACL(array $acl) { + + throw new DAV\Exception\MethodNotAllowed('Updating ACLs is not allowed here'); + + } + + /** + * Returns the list of supported privileges for this node. + * + * The returned data structure is a list of nested privileges. + * See OldSabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple + * standard structure. + * + * If null is returned from this method, the default privilege set is used, + * which is fine for most common usecases. + * + * @return array|null + */ + public function getSupportedPrivilegeSet() { + + return null; + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/AbstractBackend.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/AbstractBackend.php new file mode 100644 index 0000000..1be74c7 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/AbstractBackend.php @@ -0,0 +1,18 @@ +<?php + +namespace OldSabre\DAVACL\PrincipalBackend; + +/** + * Abstract Principal Backend + * + * Currently this class has no function. It's here for consistency and so we + * have a non-bc-breaking way to add a default generic implementation to + * functions we may add in the future. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +abstract class AbstractBackend implements BackendInterface { + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/BackendInterface.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/BackendInterface.php new file mode 100644 index 0000000..52a00b3 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/BackendInterface.php @@ -0,0 +1,153 @@ +<?php + +namespace OldSabre\DAVACL\PrincipalBackend; + +/** + * Implement this interface to create your own principal backends. + * + * Creating backends for principals is entirely optional. You can also + * implement OldSabre\DAVACL\IPrincipal directly. This interface is used solely by + * OldSabre\DAVACL\AbstractPrincipalCollection. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +interface BackendInterface { + + /** + * Returns a list of principals based on a prefix. + * + * This prefix will often contain something like 'principals'. You are only + * expected to return principals that are in this base path. + * + * You are expected to return at least a 'uri' for every user, you can + * return any additional properties if you wish so. Common properties are: + * {DAV:}displayname + * {http://sabredav.org/ns}email-address - This is a custom SabreDAV + * field that's actually injected in a number of other properties. If + * you have an email address, use this property. + * + * @param string $prefixPath + * @return array + */ + function getPrincipalsByPrefix($prefixPath); + + /** + * Returns a specific principal, specified by it's path. + * The returned structure should be the exact same as from + * getPrincipalsByPrefix. + * + * @param string $path + * @return array + */ + function getPrincipalByPath($path); + + /** + * Updates one ore more webdav properties on a principal. + * + * The list of mutations is supplied as an array. Each key in the array is + * a propertyname, such as {DAV:}displayname. + * + * Each value is the actual value to be updated. If a value is null, it + * must be deleted. + * + * This method should be atomic. It must either completely succeed, or + * completely fail. Success and failure can simply be returned as 'true' or + * 'false'. + * + * It is also possible to return detailed failure information. In that case + * an array such as this should be returned: + * + * array( + * 200 => array( + * '{DAV:}prop1' => null, + * ), + * 201 => array( + * '{DAV:}prop2' => null, + * ), + * 403 => array( + * '{DAV:}prop3' => null, + * ), + * 424 => array( + * '{DAV:}prop4' => null, + * ), + * ); + * + * In this previous example prop1 was successfully updated or deleted, and + * prop2 was succesfully created. + * + * prop3 failed to update due to '403 Forbidden' and because of this prop4 + * also could not be updated with '424 Failed dependency'. + * + * This last example was actually incorrect. While 200 and 201 could appear + * in 1 response, if there's any error (403) the other properties should + * always fail with 423 (failed dependency). + * + * But anyway, if you don't want to scratch your head over this, just + * return true or false. + * + * @param string $path + * @param array $mutations + * @return array|bool + */ + function updatePrincipal($path, $mutations); + + /** + * This method is used to search for principals matching a set of + * properties. + * + * This search is specifically used by RFC3744's principal-property-search + * REPORT. You should at least allow searching on + * http://sabredav.org/ns}email-address. + * + * The actual search should be a unicode-non-case-sensitive search. The + * keys in searchProperties are the WebDAV property names, while the values + * are the property values to search on. + * + * If multiple properties are being searched on, the search should be + * AND'ed. + * + * This method should simply return an array with full principal uri's. + * + * If somebody attempted to search on a property the backend does not + * support, you should simply return 0 results. + * + * You can also just return 0 results if you choose to not support + * searching at all, but keep in mind that this may stop certain features + * from working. + * + * @param string $prefixPath + * @param array $searchProperties + * @return array + */ + function searchPrincipals($prefixPath, array $searchProperties); + + /** + * Returns the list of members for a group-principal + * + * @param string $principal + * @return array + */ + function getGroupMemberSet($principal); + + /** + * Returns the list of groups a principal is a member of + * + * @param string $principal + * @return array + */ + function getGroupMembership($principal); + + /** + * Updates the list of group members for a group principal. + * + * The principals should be passed as a list of uri's. + * + * @param string $principal + * @param array $members + * @return void + */ + function setGroupMemberSet($principal, array $members); + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/PDO.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/PDO.php new file mode 100644 index 0000000..92e8417 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalBackend/PDO.php @@ -0,0 +1,428 @@ +<?php + +namespace OldSabre\DAVACL\PrincipalBackend; + +use OldSabre\DAV; +use OldSabre\DAVACL; + +/** + * PDO principal backend + * + * + * This backend assumes all principals are in a single collection. The default collection + * is 'principals/', but this can be overriden. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class PDO extends AbstractBackend { + + /** + * pdo + * + * @var PDO + */ + protected $pdo; + + /** + * PDO table name for 'principals' + * + * @var string + */ + protected $tableName; + + /** + * PDO table name for 'group members' + * + * @var string + */ + protected $groupMembersTableName; + + /** + * A list of additional fields to support + * + * @var array + */ + protected $fieldMap = array( + + /** + * This property can be used to display the users' real name. + */ + '{DAV:}displayname' => array( + 'dbField' => 'displayname', + ), + + /** + * This property is actually used by the CardDAV plugin, where it gets + * mapped to {http://calendarserver.orgi/ns/}me-card. + * + * The reason we don't straight-up use that property, is because + * me-card is defined as a property on the users' addressbook + * collection. + */ + '{http://sabredav.org/ns}vcard-url' => array( + 'dbField' => 'vcardurl', + ), + /** + * This is the users' primary email-address. + */ + '{http://sabredav.org/ns}email-address' => array( + 'dbField' => 'email', + ), + ); + + /** + * Sets up the backend. + * + * @param PDO $pdo + * @param string $tableName + * @param string $groupMembersTableName + */ + public function __construct(\PDO $pdo, $tableName = 'principals', $groupMembersTableName = 'groupmembers') { + + $this->pdo = $pdo; + $this->tableName = $tableName; + $this->groupMembersTableName = $groupMembersTableName; + + } + + + /** + * Returns a list of principals based on a prefix. + * + * This prefix will often contain something like 'principals'. You are only + * expected to return principals that are in this base path. + * + * You are expected to return at least a 'uri' for every user, you can + * return any additional properties if you wish so. Common properties are: + * {DAV:}displayname + * {http://sabredav.org/ns}email-address - This is a custom SabreDAV + * field that's actualy injected in a number of other properties. If + * you have an email address, use this property. + * + * @param string $prefixPath + * @return array + */ + public function getPrincipalsByPrefix($prefixPath) { + + $fields = array( + 'uri', + ); + + foreach($this->fieldMap as $key=>$value) { + $fields[] = $value['dbField']; + } + $result = $this->pdo->query('SELECT '.implode(',', $fields).' FROM '. $this->tableName); + + $principals = array(); + + while($row = $result->fetch(\PDO::FETCH_ASSOC)) { + + // Checking if the principal is in the prefix + list($rowPrefix) = DAV\URLUtil::splitPath($row['uri']); + if ($rowPrefix !== $prefixPath) continue; + + $principal = array( + 'uri' => $row['uri'], + ); + foreach($this->fieldMap as $key=>$value) { + if ($row[$value['dbField']]) { + $principal[$key] = $row[$value['dbField']]; + } + } + $principals[] = $principal; + + } + + return $principals; + + } + + /** + * Returns a specific principal, specified by it's path. + * The returned structure should be the exact same as from + * getPrincipalsByPrefix. + * + * @param string $path + * @return array + */ + public function getPrincipalByPath($path) { + + $fields = array( + 'id', + 'uri', + ); + + foreach($this->fieldMap as $key=>$value) { + $fields[] = $value['dbField']; + } + $stmt = $this->pdo->prepare('SELECT '.implode(',', $fields).' FROM '. $this->tableName . ' WHERE uri = ?'); + $stmt->execute(array($path)); + + $row = $stmt->fetch(\PDO::FETCH_ASSOC); + if (!$row) return; + + $principal = array( + 'id' => $row['id'], + 'uri' => $row['uri'], + ); + foreach($this->fieldMap as $key=>$value) { + if ($row[$value['dbField']]) { + $principal[$key] = $row[$value['dbField']]; + } + } + return $principal; + + } + + /** + * Updates one ore more webdav properties on a principal. + * + * The list of mutations is supplied as an array. Each key in the array is + * a propertyname, such as {DAV:}displayname. + * + * Each value is the actual value to be updated. If a value is null, it + * must be deleted. + * + * This method should be atomic. It must either completely succeed, or + * completely fail. Success and failure can simply be returned as 'true' or + * 'false'. + * + * It is also possible to return detailed failure information. In that case + * an array such as this should be returned: + * + * array( + * 200 => array( + * '{DAV:}prop1' => null, + * ), + * 201 => array( + * '{DAV:}prop2' => null, + * ), + * 403 => array( + * '{DAV:}prop3' => null, + * ), + * 424 => array( + * '{DAV:}prop4' => null, + * ), + * ); + * + * In this previous example prop1 was successfully updated or deleted, and + * prop2 was succesfully created. + * + * prop3 failed to update due to '403 Forbidden' and because of this prop4 + * also could not be updated with '424 Failed dependency'. + * + * This last example was actually incorrect. While 200 and 201 could appear + * in 1 response, if there's any error (403) the other properties should + * always fail with 423 (failed dependency). + * + * But anyway, if you don't want to scratch your head over this, just + * return true or false. + * + * @param string $path + * @param array $mutations + * @return array|bool + */ + public function updatePrincipal($path, $mutations) { + + $updateAble = array(); + foreach($mutations as $key=>$value) { + + // We are not aware of this field, we must fail. + if (!isset($this->fieldMap[$key])) { + + $response = array( + 403 => array( + $key => null, + ), + 424 => array(), + ); + + // Adding the rest to the response as a 424 + foreach($mutations as $subKey=>$subValue) { + if ($subKey !== $key) { + $response[424][$subKey] = null; + } + } + return $response; + } + + $updateAble[$this->fieldMap[$key]['dbField']] = $value; + + } + + // No fields to update + $query = "UPDATE " . $this->tableName . " SET "; + + $first = true; + foreach($updateAble as $key => $value) { + if (!$first) { + $query.= ', '; + } + $first = false; + $query.= "$key = :$key "; + } + $query.='WHERE uri = :uri'; + $stmt = $this->pdo->prepare($query); + $updateAble['uri'] = $path; + $stmt->execute($updateAble); + + return true; + + } + + /** + * This method is used to search for principals matching a set of + * properties. + * + * This search is specifically used by RFC3744's principal-property-search + * REPORT. You should at least allow searching on + * http://sabredav.org/ns}email-address. + * + * The actual search should be a unicode-non-case-sensitive search. The + * keys in searchProperties are the WebDAV property names, while the values + * are the property values to search on. + * + * If multiple properties are being searched on, the search should be + * AND'ed. + * + * This method should simply return an array with full principal uri's. + * + * If somebody attempted to search on a property the backend does not + * support, you should simply return 0 results. + * + * You can also just return 0 results if you choose to not support + * searching at all, but keep in mind that this may stop certain features + * from working. + * + * @param string $prefixPath + * @param array $searchProperties + * @return array + */ + public function searchPrincipals($prefixPath, array $searchProperties) { + + $query = 'SELECT uri FROM ' . $this->tableName . ' WHERE 1=1 '; + $values = array(); + foreach($searchProperties as $property => $value) { + + switch($property) { + + case '{DAV:}displayname' : + $query.=' AND displayname LIKE ?'; + $values[] = '%' . $value . '%'; + break; + case '{http://sabredav.org/ns}email-address' : + $query.=' AND email LIKE ?'; + $values[] = '%' . $value . '%'; + break; + default : + // Unsupported property + return array(); + + } + + } + $stmt = $this->pdo->prepare($query); + $stmt->execute($values); + + $principals = array(); + while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) { + + // Checking if the principal is in the prefix + list($rowPrefix) = DAV\URLUtil::splitPath($row['uri']); + if ($rowPrefix !== $prefixPath) continue; + + $principals[] = $row['uri']; + + } + + return $principals; + + } + + /** + * Returns the list of members for a group-principal + * + * @param string $principal + * @return array + */ + public function getGroupMemberSet($principal) { + + $principal = $this->getPrincipalByPath($principal); + if (!$principal) throw new DAV\Exception('Principal not found'); + + $stmt = $this->pdo->prepare('SELECT principals.uri as uri FROM '.$this->groupMembersTableName.' AS groupmembers LEFT JOIN '.$this->tableName.' AS principals ON groupmembers.member_id = principals.id WHERE groupmembers.principal_id = ?'); + $stmt->execute(array($principal['id'])); + + $result = array(); + while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) { + $result[] = $row['uri']; + } + return $result; + + } + + /** + * Returns the list of groups a principal is a member of + * + * @param string $principal + * @return array + */ + public function getGroupMembership($principal) { + + $principal = $this->getPrincipalByPath($principal); + if (!$principal) throw new DAV\Exception('Principal not found'); + + $stmt = $this->pdo->prepare('SELECT principals.uri as uri FROM '.$this->groupMembersTableName.' AS groupmembers LEFT JOIN '.$this->tableName.' AS principals ON groupmembers.principal_id = principals.id WHERE groupmembers.member_id = ?'); + $stmt->execute(array($principal['id'])); + + $result = array(); + while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) { + $result[] = $row['uri']; + } + return $result; + + } + + /** + * Updates the list of group members for a group principal. + * + * The principals should be passed as a list of uri's. + * + * @param string $principal + * @param array $members + * @return void + */ + public function setGroupMemberSet($principal, array $members) { + + // Grabbing the list of principal id's. + $stmt = $this->pdo->prepare('SELECT id, uri FROM '.$this->tableName.' WHERE uri IN (? ' . str_repeat(', ? ', count($members)) . ');'); + $stmt->execute(array_merge(array($principal), $members)); + + $memberIds = array(); + $principalId = null; + + while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) { + if ($row['uri'] == $principal) { + $principalId = $row['id']; + } else { + $memberIds[] = $row['id']; + } + } + if (!$principalId) throw new DAV\Exception('Principal not found'); + + // Wiping out old members + $stmt = $this->pdo->prepare('DELETE FROM '.$this->groupMembersTableName.' WHERE principal_id = ?;'); + $stmt->execute(array($principalId)); + + foreach($memberIds as $memberId) { + + $stmt = $this->pdo->prepare('INSERT INTO '.$this->groupMembersTableName.' (principal_id, member_id) VALUES (?, ?);'); + $stmt->execute(array($principalId, $memberId)); + + } + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalCollection.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalCollection.php new file mode 100644 index 0000000..7cee8dc --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/PrincipalCollection.php @@ -0,0 +1,33 @@ +<?php + +namespace OldSabre\DAVACL; + +/** + * Principals Collection + * + * This collection represents a list of users. + * The users are instances of OldSabre\DAVACL\Principal + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class PrincipalCollection extends AbstractPrincipalCollection { + + /** + * This method returns a node for a principal. + * + * The passed array contains principal information, and is guaranteed to + * at least contain a uri item. Other properties may or may not be + * supplied by the authentication backend. + * + * @param array $principal + * @return \OldSabre\DAV\INode + */ + public function getChildForPrincipal(array $principal) { + + return new Principal($this->principalBackend, $principal); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Acl.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Acl.php new file mode 100644 index 0000000..33f5c2e --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Acl.php @@ -0,0 +1,211 @@ +<?php + +namespace OldSabre\DAVACL\Property; + +use OldSabre\DAV; + +/** + * This class represents the {DAV:}acl property + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Acl extends DAV\Property { + + /** + * List of privileges + * + * @var array + */ + private $privileges; + + /** + * Whether or not the server base url is required to be prefixed when + * serializing the property. + * + * @var boolean + */ + private $prefixBaseUrl; + + /** + * Constructor + * + * This object requires a structure similar to the return value from + * OldSabre\DAVACL\Plugin::getACL(). + * + * Each privilege is a an array with at least a 'privilege' property, and a + * 'principal' property. A privilege may have a 'protected' property as + * well. + * + * The prefixBaseUrl should be set to false, if the supplied principal urls + * are already full urls. If this is kept to true, the servers base url + * will automatically be prefixed. + * + * @param bool $prefixBaseUrl + * @param array $privileges + */ + public function __construct(array $privileges, $prefixBaseUrl = true) { + + $this->privileges = $privileges; + $this->prefixBaseUrl = $prefixBaseUrl; + + } + + /** + * Returns the list of privileges for this property + * + * @return array + */ + public function getPrivileges() { + + return $this->privileges; + + } + + /** + * Serializes the property into a DOMElement + * + * @param DAV\Server $server + * @param \DOMElement $node + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $node) { + + $doc = $node->ownerDocument; + foreach($this->privileges as $ace) { + + $this->serializeAce($doc, $node, $ace, $server); + + } + + } + + /** + * Unserializes the {DAV:}acl xml element. + * + * @param \DOMElement $dom + * @return Acl + */ + static public function unserialize(\DOMElement $dom) { + + $privileges = array(); + $xaces = $dom->getElementsByTagNameNS('urn:DAV','ace'); + for($ii=0; $ii < $xaces->length; $ii++) { + + $xace = $xaces->item($ii); + $principal = $xace->getElementsByTagNameNS('urn:DAV','principal'); + if ($principal->length !== 1) { + throw new DAV\Exception\BadRequest('Each {DAV:}ace element must have one {DAV:}principal element'); + } + $principal = Principal::unserialize($principal->item(0)); + + switch($principal->getType()) { + case Principal::HREF : + $principal = $principal->getHref(); + break; + case Principal::AUTHENTICATED : + $principal = '{DAV:}authenticated'; + break; + case Principal::UNAUTHENTICATED : + $principal = '{DAV:}unauthenticated'; + break; + case Principal::ALL : + $principal = '{DAV:}all'; + break; + + } + + $protected = false; + + if ($xace->getElementsByTagNameNS('urn:DAV','protected')->length > 0) { + $protected = true; + } + + $grants = $xace->getElementsByTagNameNS('urn:DAV','grant'); + if ($grants->length < 1) { + throw new DAV\Exception\NotImplemented('Every {DAV:}ace element must have a {DAV:}grant element. {DAV:}deny is not yet supported'); + } + $grant = $grants->item(0); + + $xprivs = $grant->getElementsByTagNameNS('urn:DAV','privilege'); + for($jj=0; $jj<$xprivs->length; $jj++) { + + $xpriv = $xprivs->item($jj); + + $privilegeName = null; + + for ($kk=0;$kk<$xpriv->childNodes->length;$kk++) { + + $childNode = $xpriv->childNodes->item($kk); + if ($t = DAV\XMLUtil::toClarkNotation($childNode)) { + $privilegeName = $t; + break; + } + } + if (is_null($privilegeName)) { + throw new DAV\Exception\BadRequest('{DAV:}privilege elements must have a privilege element contained within them.'); + } + + $privileges[] = array( + 'principal' => $principal, + 'protected' => $protected, + 'privilege' => $privilegeName, + ); + + } + + } + + return new self($privileges); + + } + + /** + * Serializes a single access control entry. + * + * @param \DOMDocument $doc + * @param \DOMElement $node + * @param array $ace + * @param DAV\Server $server + * @return void + */ + private function serializeAce($doc,$node,$ace, DAV\Server $server) { + + $xace = $doc->createElementNS('DAV:','d:ace'); + $node->appendChild($xace); + + $principal = $doc->createElementNS('DAV:','d:principal'); + $xace->appendChild($principal); + switch($ace['principal']) { + case '{DAV:}authenticated' : + $principal->appendChild($doc->createElementNS('DAV:','d:authenticated')); + break; + case '{DAV:}unauthenticated' : + $principal->appendChild($doc->createElementNS('DAV:','d:unauthenticated')); + break; + case '{DAV:}all' : + $principal->appendChild($doc->createElementNS('DAV:','d:all')); + break; + default: + $principal->appendChild($doc->createElementNS('DAV:','d:href',($this->prefixBaseUrl?$server->getBaseUri():'') . $ace['principal'] . '/')); + } + + $grant = $doc->createElementNS('DAV:','d:grant'); + $xace->appendChild($grant); + + $privParts = null; + + preg_match('/^{([^}]*)}(.*)$/',$ace['privilege'],$privParts); + + $xprivilege = $doc->createElementNS('DAV:','d:privilege'); + $grant->appendChild($xprivilege); + + $xprivilege->appendChild($doc->createElementNS($privParts[1],'d:'.$privParts[2])); + + if (isset($ace['protected']) && $ace['protected']) + $xace->appendChild($doc->createElement('d:protected')); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/AclRestrictions.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/AclRestrictions.php new file mode 100644 index 0000000..f9485ef --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/AclRestrictions.php @@ -0,0 +1,34 @@ +<?php + +namespace OldSabre\DAVACL\Property; + +use OldSabre\DAV; + +/** + * AclRestrictions property + * + * This property represents {DAV:}acl-restrictions, as defined in RFC3744. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class AclRestrictions extends DAV\Property { + + /** + * Serializes the property into a DOMElement + * + * @param DAV\Server $server + * @param \DOMElement $elem + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $elem) { + + $doc = $elem->ownerDocument; + + $elem->appendChild($doc->createElementNS('DAV:','d:grant-only')); + $elem->appendChild($doc->createElementNS('DAV:','d:no-invert')); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/CurrentUserPrivilegeSet.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/CurrentUserPrivilegeSet.php new file mode 100644 index 0000000..e364121 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/CurrentUserPrivilegeSet.php @@ -0,0 +1,124 @@ +<?php + +namespace OldSabre\DAVACL\Property; + +use OldSabre\DAV; + +/** + * CurrentUserPrivilegeSet + * + * This class represents the current-user-privilege-set property. When + * requested, it contain all the privileges a user has on a specific node. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class CurrentUserPrivilegeSet extends DAV\Property { + + /** + * List of privileges + * + * @var array + */ + private $privileges; + + /** + * Creates the object + * + * Pass the privileges in clark-notation + * + * @param array $privileges + */ + public function __construct(array $privileges) { + + $this->privileges = $privileges; + + } + + /** + * Serializes the property in the DOM + * + * @param DAV\Server $server + * @param \DOMElement $node + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $node) { + + $doc = $node->ownerDocument; + foreach($this->privileges as $privName) { + + $this->serializePriv($doc,$node,$privName); + + } + + } + + /** + * Returns true or false, whether the specified principal appears in the + * list. + * + * @return bool + */ + public function has($privilegeName) { + + return in_array($privilegeName, $this->privileges); + + } + + /** + * Serializes one privilege + * + * @param \DOMDocument $doc + * @param \DOMElement $node + * @param string $privName + * @return void + */ + protected function serializePriv($doc,$node,$privName) { + + $xp = $doc->createElementNS('DAV:','d:privilege'); + $node->appendChild($xp); + + $privParts = null; + preg_match('/^{([^}]*)}(.*)$/',$privName,$privParts); + + $xp->appendChild($doc->createElementNS($privParts[1],'d:'.$privParts[2])); + + } + + /** + * Unserializes the {DAV:}current-user-privilege-set element. + * + * @param DOMElement $node + * @return CurrentUserPrivilegeSet + */ + static public function unserialize(\DOMElement $node) { + + $result = array(); + + $xprivs = $node->getElementsByTagNameNS('urn:DAV','privilege'); + + for($jj=0; $jj<$xprivs->length; $jj++) { + + $xpriv = $xprivs->item($jj); + + $privilegeName = null; + + for ($kk=0;$kk<$xpriv->childNodes->length;$kk++) { + + $childNode = $xpriv->childNodes->item($kk); + if ($t = DAV\XMLUtil::toClarkNotation($childNode)) { + $privilegeName = $t; + break; + } + } + + $result[] = $privilegeName; + + } + + return new self($result); + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Principal.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Principal.php new file mode 100644 index 0000000..fbf7c1f --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/Principal.php @@ -0,0 +1,161 @@ +<?php + +namespace OldSabre\DAVACL\Property; +use OldSabre\DAV; + +/** + * Principal property + * + * The principal property represents a principal from RFC3744 (ACL). + * The property can be used to specify a principal or pseudo principals. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Principal extends DAV\Property implements DAV\Property\IHref { + + /** + * To specify a not-logged-in user, use the UNAUTHENTICATED principal + */ + const UNAUTHENTICATED = 1; + + /** + * To specify any principal that is logged in, use AUTHENTICATED + */ + const AUTHENTICATED = 2; + + /** + * Specific principals can be specified with the HREF + */ + const HREF = 3; + + /** + * Everybody, basically + */ + const ALL = 4; + + /** + * Principal-type + * + * Must be one of the UNAUTHENTICATED, AUTHENTICATED or HREF constants. + * + * @var int + */ + private $type; + + /** + * Url to principal + * + * This value is only used for the HREF principal type. + * + * @var string + */ + private $href; + + /** + * Creates the property. + * + * The 'type' argument must be one of the type constants defined in this class. + * + * 'href' is only required for the HREF type. + * + * @param int $type + * @param string|null $href + */ + public function __construct($type, $href = null) { + + $this->type = $type; + + if ($type===self::HREF && is_null($href)) { + throw new DAV\Exception('The href argument must be specified for the HREF principal type.'); + } + $this->href = $href; + + } + + /** + * Returns the principal type + * + * @return int + */ + public function getType() { + + return $this->type; + + } + + /** + * Returns the principal uri. + * + * @return string + */ + public function getHref() { + + return $this->href; + + } + + /** + * Serializes the property into a DOMElement. + * + * @param DAV\Server $server + * @param \DOMElement $node + * @return void + */ + public function serialize(DAV\Server $server, \DOMElement $node) { + + $prefix = $server->xmlNamespaces['DAV:']; + switch($this->type) { + + case self::UNAUTHENTICATED : + $node->appendChild( + $node->ownerDocument->createElement($prefix . ':unauthenticated') + ); + break; + case self::AUTHENTICATED : + $node->appendChild( + $node->ownerDocument->createElement($prefix . ':authenticated') + ); + break; + case self::HREF : + $href = $node->ownerDocument->createElement($prefix . ':href'); + $href->nodeValue = $server->getBaseUri() . DAV\URLUtil::encodePath($this->href); + $node->appendChild($href); + break; + + } + + } + + /** + * Deserializes a DOM element into a property object. + * + * @param \DOMElement $dom + * @return Principal + */ + static public function unserialize(\DOMElement $dom) { + + $parent = $dom->firstChild; + while(!DAV\XMLUtil::toClarkNotation($parent)) { + $parent = $parent->nextSibling; + } + + switch(DAV\XMLUtil::toClarkNotation($parent)) { + + case '{DAV:}unauthenticated' : + return new self(self::UNAUTHENTICATED); + case '{DAV:}authenticated' : + return new self(self::AUTHENTICATED); + case '{DAV:}href': + return new self(self::HREF, $parent->textContent); + case '{DAV:}all': + return new self(self::ALL); + default : + throw new DAV\Exception\BadRequest('Unexpected element (' . DAV\XMLUtil::toClarkNotation($parent) . '). Could not deserialize'); + + } + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/SupportedPrivilegeSet.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/SupportedPrivilegeSet.php new file mode 100644 index 0000000..30d1d06 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Property/SupportedPrivilegeSet.php @@ -0,0 +1,94 @@ +<?php + +namespace OldSabre\DAVACL\Property; + +use OldSabre\DAV; + +/** + * SupportedPrivilegeSet property + * + * This property encodes the {DAV:}supported-privilege-set property, as defined + * in rfc3744. Please consult the rfc for details about it's structure. + * + * This class expects a structure like the one given from + * OldSabre\DAVACL\Plugin::getSupportedPrivilegeSet as the argument in its + * constructor. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class SupportedPrivilegeSet extends DAV\Property { + + /** + * privileges + * + * @var array + */ + private $privileges; + + /** + * Constructor + * + * @param array $privileges + */ + public function __construct(array $privileges) { + + $this->privileges = $privileges; + + } + + /** + * Serializes the property into a domdocument. + * + * @param DAV\Server $server + * @param \DOMElement $node + * @return void + */ + public function serialize(DAV\Server $server,\DOMElement $node) { + + $doc = $node->ownerDocument; + $this->serializePriv($doc, $node, $this->privileges); + + } + + /** + * Serializes a property + * + * This is a recursive function. + * + * @param \DOMDocument $doc + * @param \DOMElement $node + * @param array $privilege + * @return void + */ + private function serializePriv($doc,$node,$privilege) { + + $xsp = $doc->createElementNS('DAV:','d:supported-privilege'); + $node->appendChild($xsp); + + $xp = $doc->createElementNS('DAV:','d:privilege'); + $xsp->appendChild($xp); + + $privParts = null; + preg_match('/^{([^}]*)}(.*)$/',$privilege['privilege'],$privParts); + + $xp->appendChild($doc->createElementNS($privParts[1],'d:'.$privParts[2])); + + if (isset($privilege['abstract']) && $privilege['abstract']) { + $xsp->appendChild($doc->createElementNS('DAV:','d:abstract')); + } + + if (isset($privilege['description'])) { + $xsp->appendChild($doc->createElementNS('DAV:','d:description',$privilege['description'])); + } + + if (isset($privilege['aggregates'])) { + foreach($privilege['aggregates'] as $subPrivilege) { + $this->serializePriv($doc,$xsp,$subPrivilege); + } + } + + } + +} diff --git a/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Version.php b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Version.php new file mode 100644 index 0000000..e674cf2 --- /dev/null +++ b/calendar/lib/SabreDAV/lib/OldSabre/DAVACL/Version.php @@ -0,0 +1,24 @@ +<?php + +namespace OldSabre\DAVACL; + +/** + * This class contains the SabreDAV version constants. + * + * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Version { + + /** + * Full version number + */ + const VERSION = '1.8.7'; + + /** + * Stability : alpha, beta, stable + */ + const STABILITY = 'stable'; + +} |