/**
* Parses the request.
*
* @return void
*/
public function parse()
{
$filterNode = null;
$filter = $this->xpath->query('/cal:calendar-query/cal:filter');
if ($filter->length !== 1) {
throw new Sabre_DAV_Exception_BadRequest('Only one filter element is allowed');
}
$compFilters = $this->parseCompFilters($filter->item(0));
if (count($compFilters) !== 1) {
throw new Sabre_DAV_Exception_BadRequest('There must be exactly 1 top-level comp-filter.');
}
$this->filters = $compFilters[0];
$this->requestedProperties = array_keys(Sabre_DAV_XMLUtil::parseProperties($this->dom->firstChild));
$expand = $this->xpath->query('/cal:calendar-query/dav:prop/cal:calendar-data/cal:expand');
if ($expand->length > 0) {
$this->expand = $this->parseExpand($expand->item(0));
}
}
/**
* This function handles the addressbook-multiget REPORT.
*
* This report is used by the client to fetch the content of a series
* of urls. Effectively avoiding a lot of redundant requests.
*
* @param DOMNode $dom
* @return void
*/
public function addressbookMultiGetReport($dom)
{
$properties = array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild));
$hrefElems = $dom->getElementsByTagNameNS('urn:DAV', 'href');
$propertyList = array();
foreach ($hrefElems as $elem) {
$uri = $this->server->calculateUri($elem->nodeValue);
list($propertyList[]) = $this->server->getPropertiesForPath($uri, $properties);
}
$this->server->httpResponse->sendStatus(207);
$this->server->httpResponse->setHeader('Content-Type', 'application/xml; charset=utf-8');
$this->server->httpResponse->sendBody($this->server->generateMultiStatus($propertyList));
}
/**
* This method parses the PROPFIND request and returns its information
*
* This will either be a list of properties, or an empty array; in which case
* an {DAV:}allprop was requested.
*
* @param string $body
* @return array
*/
public function parsePropFindRequest($body)
{
// If the propfind body was empty, it means IE is requesting 'all' properties
if (!$body) {
return array();
}
$dom = Sabre_DAV_XMLUtil::loadDOMDocument($body);
$elem = $dom->getElementsByTagNameNS('urn:DAV', 'propfind')->item(0);
return array_keys(Sabre_DAV_XMLUtil::parseProperties($elem));
}
function testParsePropertiesMapHref()
{
$xml = '<?xml version="1.0"?>
<root xmlns="DAV:">
<prop>
<displayname>Calendars</displayname>
</prop>
<prop>
<someprop><href>http://sabredav.org/</href></someprop>
</prop>
</root>';
$dom = Sabre_DAV_XMLUtil::loadDOMDocument($xml);
$properties = Sabre_DAV_XMLUtil::parseProperties($dom->firstChild, array('{DAV:}someprop' => 'Sabre_DAV_Property_Href'));
$this->assertEquals(array('{DAV:}displayname' => 'Calendars', '{DAV:}someprop' => new Sabre_DAV_Property_Href('http://sabredav.org/', false)), $properties);
}
/**
* This function handles the calendar-multiget REPORT.
*
* This report is used by the client to fetch the content of a series
* of urls. Effectively avoiding a lot of redundant requests.
*
* @param DOMNode $dom
* @return void
*/
public function calendarMultiGetReport($dom)
{
$properties = array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild));
$hrefElems = $dom->getElementsByTagNameNS('urn:DAV', 'href');
$xpath = new DOMXPath($dom);
$xpath->registerNameSpace('cal', Sabre_CalDAV_Plugin::NS_CALDAV);
$xpath->registerNameSpace('dav', 'urn:DAV');
$expand = $xpath->query('/cal:calendar-multiget/dav:prop/cal:calendar-data/cal:expand');
if ($expand->length > 0) {
$expandElem = $expand->item(0);
$start = $expandElem->getAttribute('start');
$end = $expandElem->getAttribute('end');
if (!$start || !$end) {
throw new Sabre_DAV_Exception_BadRequest('The "start" and "end" attributes are required for the CALDAV:expand element');
}
$start = Sabre_VObject_DateTimeParser::parseDateTime($start);
$end = Sabre_VObject_DateTimeParser::parseDateTime($end);
if ($end <= $start) {
throw new Sabre_DAV_Exception_BadRequest('The end-date must be larger than the start-date in the expand element.');
}
$expand = true;
} else {
$expand = false;
}
foreach ($hrefElems as $elem) {
$uri = $this->server->calculateUri($elem->nodeValue);
list($objProps) = $this->server->getPropertiesForPath($uri, $properties);
if ($expand && isset($objProps[200]['{' . self::NS_CALDAV . '}calendar-data'])) {
$vObject = Sabre_VObject_Reader::read($objProps[200]['{' . self::NS_CALDAV . '}calendar-data']);
$vObject->expand($start, $end);
$objProps[200]['{' . self::NS_CALDAV . '}calendar-data'] = $vObject->serialize();
}
$propertyList[] = $objProps;
}
$this->server->httpResponse->sendStatus(207);
$this->server->httpResponse->setHeader('Content-Type', 'application/xml; charset=utf-8');
$this->server->httpResponse->sendBody($this->server->generateMultiStatus($propertyList));
}
/**
* 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 Sabre_DAV_Exception_BadRequest('This report is only defined when Depth: 0');
}
$searchProperties = array();
$applyToPrincipalCollectionSet = false;
// Parsing the search request
foreach ($dom->firstChild->childNodes as $searchNode) {
if (Sabre_DAV_XMLUtil::toClarkNotation($searchNode) == '{DAV:}apply-to-principal-collection-set') {
$applyToPrincipalCollectionSet = true;
}
if (Sabre_DAV_XMLUtil::toClarkNotation($searchNode) !== '{DAV:}property-search') {
continue;
}
$propertyName = null;
$propertyValue = null;
foreach ($searchNode->childNodes as $childNode) {
switch (Sabre_DAV_XMLUtil::toClarkNotation($childNode)) {
case '{DAV:}prop':
$property = Sabre_DAV_XMLUtil::parseProperties($searchNode);
reset($property);
$propertyName = key($property);
break;
case '{DAV:}match':
$propertyValue = $childNode->textContent;
break;
}
}
if (is_null($propertyName) || is_null($propertyValue)) {
throw new Sabre_DAV_Exception_BadRequest('Invalid search request. propertyname: ' . $propertyName . '. propertvvalue: ' . $propertyValue);
}
$searchProperties[$propertyName] = $propertyValue;
}
return array($searchProperties, array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild)), $applyToPrincipalCollectionSet);
}
/**
* Parses the request.
*
* @return void
*/
public function parse()
{
$filterNode = null;
$limit = $this->xpath->evaluate('number(/card:addressbook-query/card:limit/card:nresults)');
if (is_nan($limit)) {
$limit = null;
}
$filter = $this->xpath->query('/card:addressbook-query/card:filter');
if ($filter->length !== 1) {
throw new Sabre_DAV_Exception_BadRequest('Only one filter element is allowed');
}
$filter = $filter->item(0);
$test = $this->xpath->evaluate('string(@test)', $filter);
if (!$test) {
$test = self::TEST_ANYOF;
}
if ($test !== self::TEST_ANYOF && $test !== self::TEST_ALLOF) {
throw new Sabre_DAV_Exception_BadRequest('The test attribute must either hold "anyof" or "allof"');
}
$propFilters = array();
$propFilterNodes = $this->xpath->query('card:prop-filter', $filter);
for ($ii = 0; $ii < $propFilterNodes->length; $ii++) {
$propFilters[] = $this->parsePropFilterNode($propFilterNodes->item($ii));
}
$this->filters = $propFilters;
$this->limit = $limit;
$this->requestedProperties = array_keys(Sabre_DAV_XMLUtil::parseProperties($this->dom->firstChild));
$this->test = $test;
}
/**
* Parses a WebDAV multistatus response body
*
* This method returns an array with the following structure
*
* array(
* 'url/to/resource' => array(
* '200' => array(
* '{DAV:}property1' => 'value1',
* '{DAV:}property2' => 'value2',
* ),
* '404' => array(
* '{DAV:}property1' => null,
* '{DAV:}property2' => null,
* ),
* )
* 'url/to/resource2' => array(
* .. etc ..
* )
* )
*
*
* @param string $body xml body
* @return array
*/
public function parseMultiStatus($body)
{
$responseXML = simplexml_load_string($body, null, LIBXML_NOBLANKS | LIBXML_NOCDATA);
if ($responseXML === false) {
throw new InvalidArgumentException('The passed data is not valid XML');
}
$responseXML->registerXPathNamespace('d', 'DAV:');
$propResult = array();
foreach ($responseXML->xpath('d:response') as $response) {
$response->registerXPathNamespace('d', 'DAV:');
$href = $response->xpath('d:href');
$href = (string) $href[0];
$properties = array();
foreach ($response->xpath('d:propstat') as $propStat) {
$propStat->registerXPathNamespace('d', 'DAV:');
$status = $propStat->xpath('d:status');
list($httpVersion, $statusCode, $message) = explode(' ', (string) $status[0], 3);
$properties[$statusCode] = Sabre_DAV_XMLUtil::parseProperties(dom_import_simplexml($propStat), $this->propertyMap);
}
$propResult[$href] = $properties;
}
return $propResult;
}
/**
* This function handles the calendar-query REPORT
*
* This report is used by clients to request calendar objects based on
* complex conditions.
*
* @param DOMNode $dom
* @return void
*/
public function calendarQueryReport($dom)
{
$requestedProperties = array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild));
$filterNode = $dom->getElementsByTagNameNS('urn:ietf:params:xml:ns:caldav', 'filter');
if ($filterNode->length !== 1) {
throw new Sabre_DAV_Exception_BadRequest('The calendar-query report must have a filter element');
}
$filters = Sabre_CalDAV_XMLUtil::parseCalendarQueryFilters($filterNode->item(0));
$requestedCalendarData = true;
if (!in_array('{urn:ietf:params:xml:ns:caldav}calendar-data', $requestedProperties)) {
// We always retrieve calendar-data, as we need it for filtering.
$requestedProperties[] = '{urn:ietf:params:xml:ns:caldav}calendar-data';
// If calendar-data wasn't explicitly requested, we need to remove
// it after processing.
$requestedCalendarData = false;
}
// These are the list of nodes that potentially match the requirement
$candidateNodes = $this->server->getPropertiesForPath($this->server->getRequestUri(), $requestedProperties, $this->server->getHTTPDepth(0));
$verifiedNodes = array();
foreach ($candidateNodes as $node) {
// If the node didn't have a calendar-data property, it must not be a calendar object
if (!isset($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'])) {
continue;
}
if ($this->validateFilters($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'], $filters)) {
if (!$requestedCalendarData) {
unset($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data']);
}
$verifiedNodes[] = $node;
}
}
$this->server->httpResponse->sendStatus(207);
$this->server->httpResponse->setHeader('Content-Type', 'application/xml; charset=utf-8');
$this->server->httpResponse->sendBody($this->server->generateMultiStatus($verifiedNodes));
}
/**
* Parses the request.
*
* @return void
*/
public function parse()
{
$filterNode = null;
$limit = $this->xpath->evaluate('number(/card:addressbook-query/card:limit/card:nresults)');
if (is_nan($limit)) {
$limit = null;
}
$filter = $this->xpath->query('/card:addressbook-query/card:filter');
// According to the CardDAV spec there needs to be exactly 1 filter
// element. However, KDE 4.8.2 contains a bug that will encode 0 filter
// elements, so this is a workaround for that.
//
// See: https://bugs.kde.org/show_bug.cgi?id=300047
if ($filter->length === 0) {
$test = null;
$filter = null;
} elseif ($filter->length === 1) {
$filter = $filter->item(0);
$test = $this->xpath->evaluate('string(@test)', $filter);
} else {
throw new Sabre_DAV_Exception_BadRequest('Only one filter element is allowed');
}
if (!$test) {
$test = self::TEST_ANYOF;
}
if ($test !== self::TEST_ANYOF && $test !== self::TEST_ALLOF) {
throw new Sabre_DAV_Exception_BadRequest('The test attribute must either hold "anyof" or "allof"');
}
$propFilters = array();
$propFilterNodes = $this->xpath->query('card:prop-filter', $filter);
for ($ii = 0; $ii < $propFilterNodes->length; $ii++) {
$propFilters[] = $this->parsePropFilterNode($propFilterNodes->item($ii));
}
$this->filters = $propFilters;
$this->limit = $limit;
$this->requestedProperties = array_keys(Sabre_DAV_XMLUtil::parseProperties($this->dom->firstChild));
$this->test = $test;
}