diff options
Diffstat (limited to 'apps/calendar/lib/sabre')
-rw-r--r-- | apps/calendar/lib/sabre/backend.php | 318 | ||||
-rw-r--r-- | apps/calendar/lib/sabre/calendar.php | 127 | ||||
-rw-r--r-- | apps/calendar/lib/sabre/calendarroot.php | 45 | ||||
-rw-r--r-- | apps/calendar/lib/sabre/object.php | 87 | ||||
-rw-r--r-- | apps/calendar/lib/sabre/usercalendars.php | 46 |
5 files changed, 623 insertions, 0 deletions
diff --git a/apps/calendar/lib/sabre/backend.php b/apps/calendar/lib/sabre/backend.php new file mode 100644 index 00000000000..ac3b26ceb33 --- /dev/null +++ b/apps/calendar/lib/sabre/backend.php @@ -0,0 +1,318 @@ +<?php + +class OC_Connector_Sabre_CalDAV extends Sabre_CalDAV_Backend_Abstract { + /** + * List of CalDAV properties, and how they map to database fieldnames + * + * Add your own properties by simply adding on to this array + * + * @var array + */ + public $propertyMap = array( + '{DAV:}displayname' => 'displayname', + '{urn:ietf:params:xml:ns:caldav}calendar-timezone' => 'timezone', + '{http://apple.com/ns/ical/}calendar-order' => 'calendarorder', + '{http://apple.com/ns/ical/}calendar-color' => 'calendarcolor', + ); + + /** + * Returns a list of calendars for a principal. + * + * Every project is an array with the following keys: + * * id, a unique id that will be used by other functions to modify the + * calendar. This can be the same as the uri or a database key. + * * uri, which the basename of the uri with which the calendar is + * accessed. + * * principalUri. The owner of the calendar. Almost always the same as + * principalUri passed to this method. + * + * Furthermore it can contain webdav properties in clark notation. A very + * common one is '{DAV:}displayname'. + * + * @param string $principalUri + * @return array + */ + public function getCalendarsForUser($principalUri) { + $raw = OC_Calendar_Calendar::allCalendarsWherePrincipalURIIs($principalUri); + + $calendars = array(); + foreach( $raw as $row ){ + $components = explode(',',$row['components']); + + $calendar = array( + 'id' => $row['id'], + 'uri' => $row['uri'], + 'principaluri' => 'principals/'.$row['userid'], + '{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $row['ctag']?$row['ctag']:'0', + '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}supported-calendar-component-set' => new Sabre_CalDAV_Property_SupportedCalendarComponentSet($components), + ); + + foreach($this->propertyMap as $xmlName=>$dbName) { + $calendar[$xmlName] = $row[$dbName]; + } + + $calendars[] = $calendar; + } + return $calendars; + } + + /** + * Creates a new calendar for a principal. + * + * If the creation was a success, an id must be returned that can be used to reference + * this calendar in other methods, such as updateCalendar + * + * @param string $principalUri + * @param string $calendarUri + * @param array $properties + * @return mixed + */ + public function createCalendar($principalUri,$calendarUri, array $properties) { + $fieldNames = array( + 'principaluri', + 'uri', + 'ctag', + ); + $values = array( + ':principaluri' => $principalUri, + ':uri' => $calendarUri, + ':ctag' => 1, + ); + + // Default value + $sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set'; + $fieldNames[] = 'components'; + if (!isset($properties[$sccs])) { + $values[':components'] = 'VEVENT,VTODO'; + } else { + if (!($properties[$sccs] instanceof Sabre_CalDAV_Property_SupportedCalendarComponentSet)) { + throw new Sabre_DAV_Exception('The ' . $sccs . ' property must be of type: Sabre_CalDAV_Property_SupportedCalendarComponentSet'); + } + $values[':components'] = implode(',',$properties[$sccs]->getValue()); + } + + foreach($this->propertyMap as $xmlName=>$dbName) { + if (isset($properties[$xmlName])) { + + $myValue = $properties[$xmlName]; + $values[':' . $dbName] = $properties[$xmlName]; + $fieldNames[] = $dbName; + } + } + + if(!isset($newValues['displayname'])) $newValues['displayname'] = 'unnamed'; + if(!isset($newValues['components'])) $newValues['components'] = 'VEVENT,VTODO'; + if(!isset($newValues['timezone'])) $newValues['timezone'] = null; + if(!isset($newValues['calendarorder'])) $newValues['calendarorder'] = 0; + if(!isset($newValues['calendarcolor'])) $newValues['calendarcolor'] = null; + if(!is_null($newValues['calendarcolor']) && strlen($newValues['calendarcolor']) == 9){ + $newValues['calendarcolor'] = substr($newValues['calendarcolor'], 0, 7); + } + + return OC_Calendar_Calendar::addCalendarFromDAVData($principalUri,$calendarUri,$newValues['displayname'],$newValues['components'],$newValues['timezone'],$newValues['calendarorder'],$newValues['calendarcolor']); + } + + /** + * Updates a calendars properties + * + * The properties array uses the propertyName in clark-notation as key, + * and the array value for the property value. In the case a property + * should be deleted, the property value will be null. + * + * This method must be atomic. If one property cannot be changed, the + * entire operation must fail. + * + * If the operation was successful, true can be returned. + * If the operation failed, false can be returned. + * + * Deletion of a non-existant property is always succesful. + * + * Lastly, it is optional to return detailed information about any + * failures. In this case an array should be returned with the following + * structure: + * + * array( + * 403 => array( + * '{DAV:}displayname' => null, + * ), + * 424 => array( + * '{DAV:}owner' => null, + * ) + * ) + * + * In this example it was forbidden to update {DAV:}displayname. + * (403 Forbidden), which in turn also caused {DAV:}owner to fail + * (424 Failed Dependency) because the request needs to be atomic. + * + * @param string $calendarId + * @param array $properties + * @return bool|array + */ + public function updateCalendar($calendarId, array $properties) { + + $newValues = array(); + $result = array( + 200 => array(), // Ok + 403 => array(), // Forbidden + 424 => array(), // Failed Dependency + ); + + $hasError = false; + + foreach($properties as $propertyName=>$propertyValue) { + + // We don't know about this property. + if (!isset($this->propertyMap[$propertyName])) { + $hasError = true; + $result[403][$propertyName] = null; + unset($properties[$propertyName]); + continue; + } + + $fieldName = $this->propertyMap[$propertyName]; + $newValues[$fieldName] = $propertyValue; + + } + + // If there were any errors we need to fail the request + if ($hasError) { + // Properties has the remaining properties + foreach($properties as $propertyName=>$propertyValue) { + $result[424][$propertyName] = null; + } + + // Removing unused statuscodes for cleanliness + foreach($result as $status=>$properties) { + if (is_array($properties) && count($properties)===0) unset($result[$status]); + } + + return $result; + + } + + // Success + if(!isset($newValues['displayname'])) $newValues['displayname'] = null; + if(!isset($newValues['timezone'])) $newValues['timezone'] = null; + if(!isset($newValues['calendarorder'])) $newValues['calendarorder'] = null; + if(!isset($newValues['calendarcolor'])) $newValues['calendarcolor'] = null; + if(!is_null($newValues['calendarcolor']) && strlen($newValues['calendarcolor']) == 9){ + $newValues['calendarcolor'] = substr($newValues['calendarcolor'], 0, 7); + } + + OC_Calendar_Calendar::editCalendar($calendarId,$newValues['displayname'],null,$newValues['timezone'],$newValues['calendarorder'],$newValues['calendarcolor']); + + return true; + + } + + /** + * Delete a calendar and all it's objects + * + * @param string $calendarId + * @return void + */ + public function deleteCalendar($calendarId) { + if(preg_match( '=iCal/[1-4]?.*Mac OS X/10.[1-6](.[0-9])?=', $_SERVER['HTTP_USER_AGENT'] )){ + throw new Sabre_DAV_Exception_Forbidden("Action is not possible with OSX 10.6.x", 403); + } + + OC_Calendar_Calendar::deleteCalendar($calendarId); + } + + /** + * Returns all calendar objects within a calendar object. + * + * Every item contains an array with the following keys: + * * id - unique identifier which will be used for subsequent updates + * * calendardata - The iCalendar-compatible calnedar data + * * uri - a unique key which will be used to construct the uri. This can be any arbitrary string. + * * lastmodified - a timestamp of the last modification time + * * etag - An arbitrary string, surrounded by double-quotes. (e.g.: + * ' "abcdef"') + * * calendarid - The calendarid as it was passed to this function. + * + * Note that the etag is optional, but it's highly encouraged to return for + * speed reasons. + * + * The calendardata is also optional. If it's not returned + * 'getCalendarObject' will be called later, which *is* expected to return + * calendardata. + * + * @param string $calendarId + * @return array + */ + public function getCalendarObjects($calendarId) { + $data = array(); + foreach(OC_Calendar_Object::all($calendarId) as $row){ + $data[] = $this->OCAddETag($row); + } + return $data; + } + + /** + * Returns information from a single calendar object, based on it's object + * uri. + * + * The returned array must have the same keys as getCalendarObjects. The + * 'calendardata' object is required here though, while it's not required + * for getCalendarObjects. + * + * @param string $calendarId + * @param string $objectUri + * @return array + */ + public function getCalendarObject($calendarId,$objectUri) { + $data = OC_Calendar_Object::findWhereDAVDataIs($calendarId,$objectUri); + if(is_array($data)){ + $data = $this->OCAddETag($data); + } + return $data; + } + + /** + * Creates a new calendar object. + * + * @param string $calendarId + * @param string $objectUri + * @param string $calendarData + * @return void + */ + public function createCalendarObject($calendarId,$objectUri,$calendarData) { + OC_Calendar_Object::addFromDAVData($calendarId,$objectUri,$calendarData); + } + + /** + * Updates an existing calendarobject, based on it's uri. + * + * @param string $calendarId + * @param string $objectUri + * @param string $calendarData + * @return void + */ + public function updateCalendarObject($calendarId,$objectUri,$calendarData){ + OC_Calendar_Object::editFromDAVData($calendarId,$objectUri,$calendarData); + } + + /** + * Deletes an existing calendar object. + * + * @param string $calendarId + * @param string $objectUri + * @return void + */ + public function deleteCalendarObject($calendarId,$objectUri){ + OC_Calendar_Object::deleteFromDAVData($calendarId,$objectUri); + } + + /** + * @brief Creates a etag + * @param array $row Database result + * @returns associative array + * + * Adds a key "etag" to the row + */ + private function OCAddETag($row){ + $row['etag'] = '"'.md5($row['calendarid'].$row['uri'].$row['calendardata'].$row['lastmodified']).'"'; + return $row; + } +} diff --git a/apps/calendar/lib/sabre/calendar.php b/apps/calendar/lib/sabre/calendar.php new file mode 100644 index 00000000000..179be1b2813 --- /dev/null +++ b/apps/calendar/lib/sabre/calendar.php @@ -0,0 +1,127 @@ +<?php +/** + * ownCloud - OC_Connector_Sabre_Sabre_CalDAV_Calendar + * + * @author Thomas Tanghus + * @copyright 2012 Thomas Tanghus (thomas@tanghus.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +/** + * This class overrides Sabre_CalDAV_Calendar::getACL() to return read/write + * permissions based on user and shared state and it overrides + * Sabre_CalDAV_Calendar::getChild() and Sabre_CalDAV_Calendar::getChildren() + * to instantiate OC_Connector_Sabre_CalDAV_CalendarObjects. +*/ +class OC_Connector_Sabre_CalDAV_Calendar extends Sabre_CalDAV_Calendar { + + /** + * 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() { + + $readprincipal = $this->getOwner(); + $writeprincipal = $this->getOwner(); + $uid = OC_Calendar_Calendar::extractUserID($this->getOwner()); + + if($uid != OCP\USER::getUser()) { + $sharedCalendar = OCP\Share::getItemSharedWithBySource('calendar', $this->$calendarInfo['id']); + if ($sharedCalendar && ($sharedCalendar['permissions'] & OCP\Share::PERMISSION_READ)) { + $readprincipal = 'principals/' . OCP\USER::getUser(); + } + if ($sharedCalendar && ($sharedCalendar['permissions'] & OCP\Share::PERMISSION_UPDATE)) { + $writeprincipal = 'principals/' . OCP\USER::getUser(); + } + } + + return array( + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal, + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}write', + 'principal' => $writeprincipal, + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal . '/calendar-proxy-write', + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}write', + 'principal' => $writeprincipal . '/calendar-proxy-write', + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal . '/calendar-proxy-read', + 'protected' => true, + ), + array( + 'privilege' => '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}read-free-busy', + 'principal' => '{DAV:}authenticated', + 'protected' => true, + ), + + ); + + } + + /** + * Returns a calendar object + * + * The contained calendar objects are for example Events or Todo's. + * + * @param string $name + * @return Sabre_DAV_ICalendarObject + */ + public function getChild($name) { + + $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'],$name); + if (!$obj) throw new Sabre_DAV_Exception_NotFound('Calendar object not found'); + return new OC_Connector_Sabre_CalDAV_CalendarObject($this->caldavBackend,$this->calendarInfo,$obj); + + } + + /** + * Returns the full list of calendar objects + * + * @return array + */ + public function getChildren() { + + $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']); + $children = array(); + foreach($objs as $obj) { + $children[] = new OC_Connector_Sabre_CalDAV_CalendarObject($this->caldavBackend,$this->calendarInfo,$obj); + } + return $children; + + } + +}
\ No newline at end of file diff --git a/apps/calendar/lib/sabre/calendarroot.php b/apps/calendar/lib/sabre/calendarroot.php new file mode 100644 index 00000000000..e09731c95b7 --- /dev/null +++ b/apps/calendar/lib/sabre/calendarroot.php @@ -0,0 +1,45 @@ +<?php +/** + * ownCloud - OC_Connector_Sabre_CalDAV_CalendarRoot + * + * @author Thomas Tanghus + * @copyright 2012 Thomas Tanghus (thomas@tanghus.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +/** + * This class overrides Sabre_CalDAV_CalendarRootNode::getChildForPrincipal() + * to instantiate OC_Connector_Sabre_CalDAV_UserCalendars. +*/ +class OC_Connector_Sabre_CalDAV_CalendarRoot extends Sabre_CalDAV_CalendarRootNode { + + /** + * 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 Sabre_DAV_INode + */ + public function getChildForPrincipal(array $principal) { + + return new OC_Connector_Sabre_CalDAV_UserCalendars($this->principalBackend, $this->caldavBackend, $principal['uri']); + + } + +}
\ No newline at end of file diff --git a/apps/calendar/lib/sabre/object.php b/apps/calendar/lib/sabre/object.php new file mode 100644 index 00000000000..25954e6ee55 --- /dev/null +++ b/apps/calendar/lib/sabre/object.php @@ -0,0 +1,87 @@ +<?php +/** + * ownCloud - OC_Connector_Sabre_CalDAV_CalendarObject + * + * @author Thomas Tanghus + * @copyright 2012 Thomas Tanghus (thomas@tanghus.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +/** + * This class overrides Sabre_CalDAV_CalendarObject::getACL() + * to return read/write permissions based on user and shared state. +*/ +class OC_Connector_Sabre_CalDAV_CalendarObject extends Sabre_CalDAV_CalendarObject { + + /** + * 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() { + + $readprincipal = $this->getOwner(); + $writeprincipal = $this->getOwner(); + $uid = OC_Calendar_Calendar::extractUserID($this->getOwner()); + + if($uid != OCP\USER::getUser()) { + $sharedAddressbook = OCP\Share::getItemSharedWithBySource('calendar', $this->$calendarInfo['id']); + if ($sharedAddressbook && ($sharedAddressbook['permissions'] & OCP\Share::PERMISSION_READ)) { + $readprincipal = 'principals/' . OCP\USER::getUser(); + } + if ($sharedAddressbook && ($sharedAddressbook['permissions'] & OCP\Share::PERMISSION_UPDATE)) { + $writeprincipal = 'principals/' . OCP\USER::getUser(); + } + } + + return array( + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal, + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}write', + 'principal' => $writeprincipal, + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal . '/calendar-proxy-write', + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}write', + 'principal' => $writeprincipal . '/calendar-proxy-write', + 'protected' => true, + ), + array( + 'privilege' => '{DAV:}read', + 'principal' => $readprincipal . '/calendar-proxy-read', + 'protected' => true, + ), + ); + + } + +}
\ No newline at end of file diff --git a/apps/calendar/lib/sabre/usercalendars.php b/apps/calendar/lib/sabre/usercalendars.php new file mode 100644 index 00000000000..919f6b27e18 --- /dev/null +++ b/apps/calendar/lib/sabre/usercalendars.php @@ -0,0 +1,46 @@ +<?php +/** + * ownCloud - OC_Connector_Sabre_CalDAV_UserCalendars + * + * @author Thomas Tanghus + * @copyright 2012 Thomas Tanghus (thomas@tanghus.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +/** + * This class overrides Sabre_CalDAV_UserCalendars::getChildren() + * to instantiate OC_Connector_Sabre_CalDAV_Calendars. +*/ +class OC_Connector_Sabre_CalDAV_UserCalendars extends Sabre_CalDAV_UserCalendars { + + /** + * Returns a list of calendars + * + * @return array + */ + public function getChildren() { + + $calendars = $this->caldavBackend->getCalendarsForUser($this->principalInfo['uri']); + $objs = array(); + foreach($calendars as $calendar) { + $objs[] = new OC_Connector_Sabre_CalDAV_Calendar($this->principalBackend, $this->caldavBackend, $calendar); + } + $objs[] = new Sabre_CalDAV_Schedule_Outbox($this->principalInfo['uri']); + return $objs; + + } + +}
\ No newline at end of file |