diff options
Diffstat (limited to 'vendor/sabre/dav/lib/CalDAV/Calendar.php')
| -rw-r--r-- | vendor/sabre/dav/lib/CalDAV/Calendar.php | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/vendor/sabre/dav/lib/CalDAV/Calendar.php b/vendor/sabre/dav/lib/CalDAV/Calendar.php new file mode 100644 index 000000000..ff8e19b15 --- /dev/null +++ b/vendor/sabre/dav/lib/CalDAV/Calendar.php @@ -0,0 +1,527 @@ +<?php + +namespace Sabre\CalDAV; + +use Sabre\DAV; +use Sabre\DAVACL; +use Sabre\DAV\PropPatch; + +/** + * This object represents a CalDAV calendar. + * + * A calendar can contain multiple TODO and or Events. These are represented + * as \Sabre\CalDAV\CalendarObject objects. + * + * @copyright Copyright (C) fruux GmbH (https://fruux.com/) + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ +class Calendar implements ICalendar, DAV\IProperties, DAV\Sync\ISyncCollection, DAV\IMultiGet { + + /** + * This is an array with calendar information + * + * @var array + */ + protected $calendarInfo; + + /** + * CalDAV backend + * + * @var Backend\BackendInterface + */ + protected $caldavBackend; + + /** + * Constructor + * + * @param Backend\BackendInterface $caldavBackend + * @param array $calendarInfo + */ + function __construct(Backend\BackendInterface $caldavBackend, $calendarInfo) { + + $this->caldavBackend = $caldavBackend; + $this->calendarInfo = $calendarInfo; + + } + + /** + * Returns the name of the calendar + * + * @return string + */ + function getName() { + + return $this->calendarInfo['uri']; + + } + + /** + * Updates properties on this node. + * + * This method received a PropPatch object, which contains all the + * information about the update. + * + * To update specific properties, call the 'handle' method on this object. + * Read the PropPatch documentation for more information. + * + * @param PropPatch $propPatch + * @return void + */ + function propPatch(PropPatch $propPatch) { + + return $this->caldavBackend->updateCalendar($this->calendarInfo['id'], $propPatch); + + } + + /** + * Returns the list of properties + * + * @param array $requestedProperties + * @return array + */ + function getProperties($requestedProperties) { + + $response = []; + + foreach ($this->calendarInfo as $propName => $propValue) { + + if ($propName[0] === '{') + $response[$propName] = $this->calendarInfo[$propName]; + + } + return $response; + + } + + /** + * Returns a calendar object + * + * The contained calendar objects are for example Events or Todo's. + * + * @param string $name + * @return \Sabre\CalDAV\ICalendarObject + */ + function getChild($name) { + + $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name); + + if (!$obj) throw new DAV\Exception\NotFound('Calendar object not found'); + + $obj['acl'] = $this->getChildACL(); + + return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj); + + } + + /** + * Returns the full list of calendar objects + * + * @return array + */ + function getChildren() { + + $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']); + $children = []; + foreach ($objs as $obj) { + $obj['acl'] = $this->getChildACL(); + $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj); + } + return $children; + + } + + /** + * This method receives a list of paths in it's first argument. + * It must return an array with Node objects. + * + * If any children are not found, you do not have to return them. + * + * @param string[] $paths + * @return array + */ + function getMultipleChildren(array $paths) { + + $objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths); + $children = []; + foreach ($objs as $obj) { + $obj['acl'] = $this->getChildACL(); + $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj); + } + return $children; + + } + + /** + * Checks if a child-node exists. + * + * @param string $name + * @return bool + */ + function childExists($name) { + + $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name); + if (!$obj) + return false; + else + return true; + + } + + /** + * Creates a new directory + * + * We actually block this, as subdirectories are not allowed in calendars. + * + * @param string $name + * @return void + */ + function createDirectory($name) { + + throw new DAV\Exception\MethodNotAllowed('Creating collections in calendar objects is not allowed'); + + } + + /** + * Creates a new file + * + * The contents of the new file must be a valid ICalendar string. + * + * @param string $name + * @param resource $calendarData + * @return string|null + */ + function createFile($name, $calendarData = null) { + + if (is_resource($calendarData)) { + $calendarData = stream_get_contents($calendarData); + } + return $this->caldavBackend->createCalendarObject($this->calendarInfo['id'], $name, $calendarData); + + } + + /** + * Deletes the calendar. + * + * @return void + */ + function delete() { + + $this->caldavBackend->deleteCalendar($this->calendarInfo['id']); + + } + + /** + * Renames the calendar. Note that most calendars use the + * {DAV:}displayname to display a name to display a name. + * + * @param string $newName + * @return void + */ + function setName($newName) { + + throw new DAV\Exception\MethodNotAllowed('Renaming calendars is not yet supported'); + + } + + /** + * Returns the last modification date as a unix timestamp. + * + * @return void + */ + function getLastModified() { + + return null; + + } + + /** + * Returns the owner principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + function getOwner() { + + return $this->calendarInfo['principaluri']; + + } + + /** + * Returns a group principal + * + * This must be a url to a principal, or null if there's no owner + * + * @return string|null + */ + 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 + */ + function getACL() { + + $acl = [ + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner(), + 'protected' => true, + ], + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner() . '/calendar-proxy-write', + 'protected' => true, + ], + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner() . '/calendar-proxy-read', + 'protected' => true, + ], + [ + 'privilege' => '{' . Plugin::NS_CALDAV . '}read-free-busy', + 'principal' => '{DAV:}authenticated', + 'protected' => true, + ], + + ]; + if (empty($this->calendarInfo['{http://sabredav.org/ns}read-only'])) { + $acl[] = [ + 'privilege' => '{DAV:}write', + 'principal' => $this->getOwner(), + 'protected' => true, + ]; + $acl[] = [ + 'privilege' => '{DAV:}write', + 'principal' => $this->getOwner() . '/calendar-proxy-write', + 'protected' => true, + ]; + } + + return $acl; + + } + + /** + * This method returns the ACL's for calendar objects in this calendar. + * The result of this method automatically gets passed to the + * calendar-object nodes in the calendar. + * + * @return array + */ + function getChildACL() { + + $acl = [ + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner(), + 'protected' => true, + ], + + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner() . '/calendar-proxy-write', + 'protected' => true, + ], + [ + 'privilege' => '{DAV:}read', + 'principal' => $this->getOwner() . '/calendar-proxy-read', + 'protected' => true, + ], + + ]; + if (empty($this->calendarInfo['{http://sabredav.org/ns}read-only'])) { + $acl[] = [ + 'privilege' => '{DAV:}write', + 'principal' => $this->getOwner(), + 'protected' => true, + ]; + $acl[] = [ + 'privilege' => '{DAV:}write', + 'principal' => $this->getOwner() . '/calendar-proxy-write', + 'protected' => true, + ]; + + } + return $acl; + + } + + /** + * Updates the ACL + * + * This method will receive a list of new ACE's. + * + * @param array $acl + * @return void + */ + function setACL(array $acl) { + + throw new DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported'); + + } + + /** + * Returns the list of supported privileges for this node. + * + * The returned data structure is a list of nested privileges. + * See \Sabre\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() { + + $default = DAVACL\Plugin::getDefaultSupportedPrivilegeSet(); + + // We need to inject 'read-free-busy' in the tree, aggregated under + // {DAV:}read. + foreach ($default['aggregates'] as &$agg) { + + if ($agg['privilege'] !== '{DAV:}read') continue; + + $agg['aggregates'][] = [ + 'privilege' => '{' . Plugin::NS_CALDAV . '}read-free-busy', + ]; + + } + return $default; + + } + + /** + * Performs a calendar-query on the contents of this calendar. + * + * The calendar-query is defined in RFC4791 : CalDAV. Using the + * calendar-query it is possible for a client to request a specific set of + * object, based on contents of iCalendar properties, date-ranges and + * iCalendar component types (VTODO, VEVENT). + * + * This method should just return a list of (relative) urls that match this + * query. + * + * The list of filters are specified as an array. The exact array is + * documented by Sabre\CalDAV\CalendarQueryParser. + * + * @param array $filters + * @return array + */ + function calendarQuery(array $filters) { + + return $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters); + + } + + /** + * This method returns the current sync-token for this collection. + * This can be any string. + * + * If null is returned from this function, the plugin assumes there's no + * sync information available. + * + * @return string|null + */ + function getSyncToken() { + + if ( + $this->caldavBackend instanceof Backend\SyncSupport && + isset($this->calendarInfo['{DAV:}sync-token']) + ) { + return $this->calendarInfo['{DAV:}sync-token']; + } + if ( + $this->caldavBackend instanceof Backend\SyncSupport && + isset($this->calendarInfo['{http://sabredav.org/ns}sync-token']) + ) { + return $this->calendarInfo['{http://sabredav.org/ns}sync-token']; + } + + } + + /** + * The getChanges method returns all the changes that have happened, since + * the specified syncToken and the current collection. + * + * This function should return an array, such as the following: + * + * [ + * 'syncToken' => 'The current synctoken', + * 'added' => [ + * 'new.txt', + * ], + * 'modified' => [ + * 'modified.txt', + * ], + * 'deleted' => [ + * 'foo.php.bak', + * 'old.txt' + * ] + * ]; + * + * The syncToken property should reflect the *current* syncToken of the + * collection, as reported getSyncToken(). This is needed here too, to + * ensure the operation is atomic. + * + * If the syncToken is specified as null, this is an initial sync, and all + * members should be reported. + * + * The modified property is an array of nodenames that have changed since + * the last token. + * + * The deleted property is an array with nodenames, that have been deleted + * from collection. + * + * The second argument is basically the 'depth' of the report. If it's 1, + * you only have to report changes that happened only directly in immediate + * descendants. If it's 2, it should also include changes from the nodes + * below the child collections. (grandchildren) + * + * The third (optional) argument allows a client to specify how many + * results should be returned at most. If the limit is not specified, it + * should be treated as infinite. + * + * If the limit (infinite or not) is higher than you're willing to return, + * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception. + * + * If the syncToken is expired (due to data cleanup) or unknown, you must + * return null. + * + * The limit is 'suggestive'. You are free to ignore it. + * + * @param string $syncToken + * @param int $syncLevel + * @param int $limit + * @return array + */ + function getChanges($syncToken, $syncLevel, $limit = null) { + + if (!$this->caldavBackend instanceof Backend\SyncSupport) { + return null; + } + + return $this->caldavBackend->getChangesForCalendar( + $this->calendarInfo['id'], + $syncToken, + $syncLevel, + $limit + ); + + } + +} |