forked from friendica/deprecated-addons
697 lines
22 KiB
PHP
697 lines
22 KiB
PHP
<?php
|
|
|
|
use Sabre\VObject;
|
|
|
|
/**
|
|
* CardDAV addon
|
|
*
|
|
* The CardDAV addon adds CardDAV functionality to the WebDAV server
|
|
*
|
|
* @package Sabre
|
|
* @subpackage CardDAV
|
|
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
|
|
* @author Evert Pot (http://www.rooftopsolutions.nl/)
|
|
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
|
|
*/
|
|
class Sabre_CardDAV_Plugin extends Sabre_DAV_ServerPlugin {
|
|
|
|
/**
|
|
* Url to the addressbooks
|
|
*/
|
|
const ADDRESSBOOK_ROOT = 'addressbooks';
|
|
|
|
/**
|
|
* xml namespace for CardDAV elements
|
|
*/
|
|
const NS_CARDDAV = 'urn:ietf:params:xml:ns:carddav';
|
|
|
|
/**
|
|
* Add urls to this property to have them automatically exposed as
|
|
* 'directories' to the user.
|
|
*
|
|
* @var array
|
|
*/
|
|
public $directories = array();
|
|
|
|
/**
|
|
* Server class
|
|
*
|
|
* @var Sabre_DAV_Server
|
|
*/
|
|
protected $server;
|
|
|
|
/**
|
|
* Initializes the addon
|
|
*
|
|
* @param Sabre_DAV_Server $server
|
|
* @return void
|
|
*/
|
|
public function initialize(Sabre_DAV_Server $server) {
|
|
|
|
/* Events */
|
|
$server->subscribeEvent('beforeGetProperties', array($this, 'beforeGetProperties'));
|
|
$server->subscribeEvent('afterGetProperties', array($this, 'afterGetProperties'));
|
|
$server->subscribeEvent('updateProperties', array($this, 'updateProperties'));
|
|
$server->subscribeEvent('report', array($this,'report'));
|
|
$server->subscribeEvent('onHTMLActionsPanel', array($this,'htmlActionsPanel'));
|
|
$server->subscribeEvent('onBrowserPostAction', array($this,'browserPostAction'));
|
|
$server->subscribeEvent('beforeWriteContent', array($this, 'beforeWriteContent'));
|
|
$server->subscribeEvent('beforeCreateFile', array($this, 'beforeCreateFile'));
|
|
|
|
/* Namespaces */
|
|
$server->xmlNamespaces[self::NS_CARDDAV] = 'card';
|
|
|
|
/* Mapping Interfaces to {DAV:}resourcetype values */
|
|
$server->resourceTypeMapping['Sabre_CardDAV_IAddressBook'] = '{' . self::NS_CARDDAV . '}addressbook';
|
|
$server->resourceTypeMapping['Sabre_CardDAV_IDirectory'] = '{' . self::NS_CARDDAV . '}directory';
|
|
|
|
/* Adding properties that may never be changed */
|
|
$server->protectedProperties[] = '{' . self::NS_CARDDAV . '}supported-address-data';
|
|
$server->protectedProperties[] = '{' . self::NS_CARDDAV . '}max-resource-size';
|
|
$server->protectedProperties[] = '{' . self::NS_CARDDAV . '}addressbook-home-set';
|
|
$server->protectedProperties[] = '{' . self::NS_CARDDAV . '}supported-collation-set';
|
|
|
|
$server->propertyMap['{http://calendarserver.org/ns/}me-card'] = 'Sabre_DAV_Property_Href';
|
|
|
|
$this->server = $server;
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns a list of supported features.
|
|
*
|
|
* This is used in the DAV: header in the OPTIONS and PROPFIND requests.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getFeatures() {
|
|
|
|
return array('addressbook');
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns a list of reports this addon 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) {
|
|
|
|
$node = $this->server->tree->getNodeForPath($uri);
|
|
if ($node instanceof Sabre_CardDAV_IAddressBook || $node instanceof Sabre_CardDAV_ICard) {
|
|
return array(
|
|
'{' . self::NS_CARDDAV . '}addressbook-multiget',
|
|
'{' . self::NS_CARDDAV . '}addressbook-query',
|
|
);
|
|
}
|
|
return array();
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Adds all CardDAV-specific properties
|
|
*
|
|
* @param string $path
|
|
* @param Sabre_DAV_INode $node
|
|
* @param array $requestedProperties
|
|
* @param array $returnedProperties
|
|
* @return void
|
|
*/
|
|
public function beforeGetProperties($path, Sabre_DAV_INode $node, array &$requestedProperties, array &$returnedProperties) {
|
|
|
|
if ($node instanceof Sabre_DAVACL_IPrincipal) {
|
|
|
|
// calendar-home-set property
|
|
$addHome = '{' . self::NS_CARDDAV . '}addressbook-home-set';
|
|
if (in_array($addHome,$requestedProperties)) {
|
|
$principalId = $node->getName();
|
|
$addressbookHomePath = self::ADDRESSBOOK_ROOT . '/' . $principalId . '/';
|
|
unset($requestedProperties[array_search($addHome, $requestedProperties)]);
|
|
$returnedProperties[200][$addHome] = new Sabre_DAV_Property_Href($addressbookHomePath);
|
|
}
|
|
|
|
$directories = '{' . self::NS_CARDDAV . '}directory-gateway';
|
|
if ($this->directories && in_array($directories, $requestedProperties)) {
|
|
unset($requestedProperties[array_search($directories, $requestedProperties)]);
|
|
$returnedProperties[200][$directories] = new Sabre_DAV_Property_HrefList($this->directories);
|
|
}
|
|
|
|
}
|
|
|
|
if ($node instanceof Sabre_CardDAV_ICard) {
|
|
|
|
// The address-data property is not supposed to be a 'real'
|
|
// property, but in large chunks of the spec it does act as such.
|
|
// Therefore we simply expose it as a property.
|
|
$addressDataProp = '{' . self::NS_CARDDAV . '}address-data';
|
|
if (in_array($addressDataProp, $requestedProperties)) {
|
|
unset($requestedProperties[$addressDataProp]);
|
|
$val = $node->get();
|
|
if (is_resource($val))
|
|
$val = stream_get_contents($val);
|
|
|
|
$returnedProperties[200][$addressDataProp] = $val;
|
|
|
|
}
|
|
}
|
|
|
|
if ($node instanceof Sabre_CardDAV_UserAddressBooks) {
|
|
|
|
$meCardProp = '{http://calendarserver.org/ns/}me-card';
|
|
if (in_array($meCardProp, $requestedProperties)) {
|
|
|
|
$props = $this->server->getProperties($node->getOwner(), array('{http://sabredav.org/ns}vcard-url'));
|
|
if (isset($props['{http://sabredav.org/ns}vcard-url'])) {
|
|
|
|
$returnedProperties[200][$meCardProp] = new Sabre_DAV_Property_Href(
|
|
$props['{http://sabredav.org/ns}vcard-url']
|
|
);
|
|
$pos = array_search($meCardProp, $requestedProperties);
|
|
unset($requestedProperties[$pos]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* This event is triggered when a PROPPATCH method is executed
|
|
*
|
|
* @param array $mutations
|
|
* @param array $result
|
|
* @param Sabre_DAV_INode $node
|
|
* @return bool
|
|
*/
|
|
public function updateProperties(&$mutations, &$result, $node) {
|
|
|
|
if (!$node instanceof Sabre_CardDAV_UserAddressBooks) {
|
|
return true;
|
|
}
|
|
|
|
$meCard = '{http://calendarserver.org/ns/}me-card';
|
|
|
|
// The only property we care about
|
|
if (!isset($mutations[$meCard]))
|
|
return true;
|
|
|
|
$value = $mutations[$meCard];
|
|
unset($mutations[$meCard]);
|
|
|
|
if ($value instanceof Sabre_DAV_Property_IHref) {
|
|
$value = $value->getHref();
|
|
$value = $this->server->calculateUri($value);
|
|
} elseif (!is_null($value)) {
|
|
$result[400][$meCard] = null;
|
|
return false;
|
|
}
|
|
|
|
$innerResult = $this->server->updateProperties(
|
|
$node->getOwner(),
|
|
array(
|
|
'{http://sabredav.org/ns}vcard-url' => $value,
|
|
)
|
|
);
|
|
|
|
$closureResult = false;
|
|
foreach($innerResult as $status => $props) {
|
|
if (is_array($props) && array_key_exists('{http://sabredav.org/ns}vcard-url', $props)) {
|
|
$result[$status][$meCard] = null;
|
|
$closureResult = ($status>=200 && $status<300);
|
|
}
|
|
|
|
}
|
|
|
|
return $result;
|
|
|
|
}
|
|
|
|
/**
|
|
* This functions handles REPORT requests specific to CardDAV
|
|
*
|
|
* @param string $reportName
|
|
* @param DOMNode $dom
|
|
* @return bool
|
|
*/
|
|
public function report($reportName,$dom) {
|
|
|
|
switch($reportName) {
|
|
case '{'.self::NS_CARDDAV.'}addressbook-multiget' :
|
|
$this->addressbookMultiGetReport($dom);
|
|
return false;
|
|
case '{'.self::NS_CARDDAV.'}addressbook-query' :
|
|
$this->addressBookQueryReport($dom);
|
|
return false;
|
|
default :
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
/**
|
|
* 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('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 is triggered before a file gets updated with new content.
|
|
*
|
|
* This addon uses this method to ensure that Card nodes receive valid
|
|
* vcard data.
|
|
*
|
|
* @param string $path
|
|
* @param Sabre_DAV_IFile $node
|
|
* @param resource $data
|
|
* @return void
|
|
*/
|
|
public function beforeWriteContent($path, Sabre_DAV_IFile $node, &$data) {
|
|
|
|
if (!$node instanceof Sabre_CardDAV_ICard)
|
|
return;
|
|
|
|
$this->validateVCard($data);
|
|
|
|
}
|
|
|
|
/**
|
|
* This method is triggered before a new file is created.
|
|
*
|
|
* This addon uses this method to ensure that Card nodes receive valid
|
|
* vcard data.
|
|
*
|
|
* @param string $path
|
|
* @param resource $data
|
|
* @param Sabre_DAV_ICollection $parentNode
|
|
* @return void
|
|
*/
|
|
public function beforeCreateFile($path, &$data, Sabre_DAV_ICollection $parentNode) {
|
|
|
|
if (!$parentNode instanceof Sabre_CardDAV_IAddressBook)
|
|
return;
|
|
|
|
$this->validateVCard($data);
|
|
|
|
}
|
|
|
|
/**
|
|
* Checks if the submitted iCalendar data is in fact, valid.
|
|
*
|
|
* An exception is thrown if it's not.
|
|
*
|
|
* @param resource|string $data
|
|
* @return void
|
|
*/
|
|
protected function validateVCard(&$data) {
|
|
|
|
// If it's a stream, we convert it to a string first.
|
|
if (is_resource($data)) {
|
|
$data = stream_get_contents($data);
|
|
}
|
|
|
|
// Converting the data to unicode, if needed.
|
|
$data = Sabre_DAV_StringUtil::ensureUTF8($data);
|
|
|
|
try {
|
|
|
|
$vobj = VObject\Reader::read($data);
|
|
|
|
} catch (VObject\ParseException $e) {
|
|
|
|
throw new Sabre_DAV_Exception_UnsupportedMediaType('This resource only supports valid vcard data. Parse error: ' . $e->getMessage());
|
|
|
|
}
|
|
|
|
if ($vobj->name !== 'VCARD') {
|
|
throw new Sabre_DAV_Exception_UnsupportedMediaType('This collection can only support vcard objects.');
|
|
}
|
|
|
|
if (!isset($vobj->UID)) {
|
|
throw new Sabre_DAV_Exception_BadRequest('Every vcard must have an UID.');
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* This function handles the addressbook-query REPORT
|
|
*
|
|
* This report is used by the client to filter an addressbook based on a
|
|
* complex query.
|
|
*
|
|
* @param DOMNode $dom
|
|
* @return void
|
|
*/
|
|
protected function addressbookQueryReport($dom) {
|
|
|
|
$query = new Sabre_CardDAV_AddressBookQueryParser($dom);
|
|
$query->parse();
|
|
|
|
$depth = $this->server->getHTTPDepth(0);
|
|
|
|
if ($depth==0) {
|
|
$candidateNodes = array(
|
|
$this->server->tree->getNodeForPath($this->server->getRequestUri())
|
|
);
|
|
} else {
|
|
$candidateNodes = $this->server->tree->getChildren($this->server->getRequestUri());
|
|
}
|
|
|
|
$validNodes = array();
|
|
foreach($candidateNodes as $node) {
|
|
|
|
if (!$node instanceof Sabre_CardDAV_ICard)
|
|
continue;
|
|
|
|
$blob = $node->get();
|
|
if (is_resource($blob)) {
|
|
$blob = stream_get_contents($blob);
|
|
}
|
|
|
|
if (!$this->validateFilters($blob, $query->filters, $query->test)) {
|
|
continue;
|
|
}
|
|
|
|
$validNodes[] = $node;
|
|
|
|
if ($query->limit && $query->limit <= count($validNodes)) {
|
|
// We hit the maximum number of items, we can stop now.
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
$result = array();
|
|
foreach($validNodes as $validNode) {
|
|
|
|
if ($depth==0) {
|
|
$href = $this->server->getRequestUri();
|
|
} else {
|
|
$href = $this->server->getRequestUri() . '/' . $validNode->getName();
|
|
}
|
|
|
|
list($result[]) = $this->server->getPropertiesForPath($href, $query->requestedProperties, 0);
|
|
|
|
}
|
|
|
|
$this->server->httpResponse->sendStatus(207);
|
|
$this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8');
|
|
$this->server->httpResponse->sendBody($this->server->generateMultiStatus($result));
|
|
|
|
}
|
|
|
|
/**
|
|
* Validates if a vcard makes it throught a list of filters.
|
|
*
|
|
* @param string $vcardData
|
|
* @param array $filters
|
|
* @param string $test anyof or allof (which means OR or AND)
|
|
* @return bool
|
|
*/
|
|
public function validateFilters($vcardData, array $filters, $test) {
|
|
|
|
$vcard = VObject\Reader::read($vcardData);
|
|
|
|
if (!$filters) return true;
|
|
|
|
foreach($filters as $filter) {
|
|
|
|
$isDefined = isset($vcard->{$filter['name']});
|
|
if ($filter['is-not-defined']) {
|
|
if ($isDefined) {
|
|
$success = false;
|
|
} else {
|
|
$success = true;
|
|
}
|
|
} elseif ((!$filter['param-filters'] && !$filter['text-matches']) || !$isDefined) {
|
|
|
|
// We only need to check for existence
|
|
$success = $isDefined;
|
|
|
|
} else {
|
|
|
|
$vProperties = $vcard->select($filter['name']);
|
|
|
|
$results = array();
|
|
if ($filter['param-filters']) {
|
|
$results[] = $this->validateParamFilters($vProperties, $filter['param-filters'], $filter['test']);
|
|
}
|
|
if ($filter['text-matches']) {
|
|
$texts = array();
|
|
foreach($vProperties as $vProperty)
|
|
$texts[] = $vProperty->value;
|
|
|
|
$results[] = $this->validateTextMatches($texts, $filter['text-matches'], $filter['test']);
|
|
}
|
|
|
|
if (count($results)===1) {
|
|
$success = $results[0];
|
|
} else {
|
|
if ($filter['test'] === 'anyof') {
|
|
$success = $results[0] || $results[1];
|
|
} else {
|
|
$success = $results[0] && $results[1];
|
|
}
|
|
}
|
|
|
|
} // else
|
|
|
|
// There are two conditions where we can already determine whether
|
|
// or not this filter succeeds.
|
|
if ($test==='anyof' && $success) {
|
|
return true;
|
|
}
|
|
if ($test==='allof' && !$success) {
|
|
return false;
|
|
}
|
|
|
|
} // foreach
|
|
|
|
// If we got all the way here, it means we haven't been able to
|
|
// determine early if the test failed or not.
|
|
//
|
|
// This implies for 'anyof' that the test failed, and for 'allof' that
|
|
// we succeeded. Sounds weird, but makes sense.
|
|
return $test==='allof';
|
|
|
|
}
|
|
|
|
/**
|
|
* Validates if a param-filter can be applied to a specific property.
|
|
*
|
|
* @todo currently we're only validating the first parameter of the passed
|
|
* property. Any subsequence parameters with the same name are
|
|
* ignored.
|
|
* @param array $vProperties
|
|
* @param array $filters
|
|
* @param string $test
|
|
* @return bool
|
|
*/
|
|
protected function validateParamFilters(array $vProperties, array $filters, $test) {
|
|
|
|
foreach($filters as $filter) {
|
|
|
|
$isDefined = false;
|
|
foreach($vProperties as $vProperty) {
|
|
$isDefined = isset($vProperty[$filter['name']]);
|
|
if ($isDefined) break;
|
|
}
|
|
|
|
if ($filter['is-not-defined']) {
|
|
if ($isDefined) {
|
|
$success = false;
|
|
} else {
|
|
$success = true;
|
|
}
|
|
|
|
// If there's no text-match, we can just check for existence
|
|
} elseif (!$filter['text-match'] || !$isDefined) {
|
|
|
|
$success = $isDefined;
|
|
|
|
} else {
|
|
|
|
$success = false;
|
|
foreach($vProperties as $vProperty) {
|
|
// If we got all the way here, we'll need to validate the
|
|
// text-match filter.
|
|
$success = Sabre_DAV_StringUtil::textMatch($vProperty[$filter['name']]->value, $filter['text-match']['value'], $filter['text-match']['collation'], $filter['text-match']['match-type']);
|
|
if ($success) break;
|
|
}
|
|
if ($filter['text-match']['negate-condition']) {
|
|
$success = !$success;
|
|
}
|
|
|
|
} // else
|
|
|
|
// There are two conditions where we can already determine whether
|
|
// or not this filter succeeds.
|
|
if ($test==='anyof' && $success) {
|
|
return true;
|
|
}
|
|
if ($test==='allof' && !$success) {
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
// If we got all the way here, it means we haven't been able to
|
|
// determine early if the test failed or not.
|
|
//
|
|
// This implies for 'anyof' that the test failed, and for 'allof' that
|
|
// we succeeded. Sounds weird, but makes sense.
|
|
return $test==='allof';
|
|
|
|
}
|
|
|
|
/**
|
|
* Validates if a text-filter can be applied to a specific property.
|
|
*
|
|
* @param array $texts
|
|
* @param array $filters
|
|
* @param string $test
|
|
* @return bool
|
|
*/
|
|
protected function validateTextMatches(array $texts, array $filters, $test) {
|
|
|
|
foreach($filters as $filter) {
|
|
|
|
$success = false;
|
|
foreach($texts as $haystack) {
|
|
$success = Sabre_DAV_StringUtil::textMatch($haystack, $filter['value'], $filter['collation'], $filter['match-type']);
|
|
|
|
// Breaking on the first match
|
|
if ($success) break;
|
|
}
|
|
if ($filter['negate-condition']) {
|
|
$success = !$success;
|
|
}
|
|
|
|
if ($success && $test==='anyof')
|
|
return true;
|
|
|
|
if (!$success && $test=='allof')
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
// If we got all the way here, it means we haven't been able to
|
|
// determine early if the test failed or not.
|
|
//
|
|
// This implies for 'anyof' that the test failed, and for 'allof' that
|
|
// we succeeded. Sounds weird, but makes sense.
|
|
return $test==='allof';
|
|
|
|
}
|
|
|
|
/**
|
|
* This event is triggered after webdav-properties have been retrieved.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function afterGetProperties($uri, &$properties) {
|
|
|
|
// If the request was made using the SOGO connector, we must rewrite
|
|
// the content-type property. By default SabreDAV will send back
|
|
// text/x-vcard; charset=utf-8, but for SOGO we must strip that last
|
|
// part.
|
|
if (!isset($properties[200]['{DAV:}getcontenttype']))
|
|
return;
|
|
|
|
if (strpos($this->server->httpRequest->getHeader('User-Agent'),'Thunderbird')===false) {
|
|
return;
|
|
}
|
|
|
|
if (strpos($properties[200]['{DAV:}getcontenttype'],'text/x-vcard')===0) {
|
|
$properties[200]['{DAV:}getcontenttype'] = 'text/x-vcard';
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* This method is used to generate HTML output for the
|
|
* Sabre_DAV_Browser_Plugin. This allows us to generate an interface users
|
|
* can use to create new calendars.
|
|
*
|
|
* @param Sabre_DAV_INode $node
|
|
* @param string $output
|
|
* @return bool
|
|
*/
|
|
public function htmlActionsPanel(Sabre_DAV_INode $node, &$output) {
|
|
|
|
if (!$node instanceof Sabre_CardDAV_UserAddressBooks)
|
|
return;
|
|
|
|
$output.= '<tr><td colspan="2"><form method="post" action="">
|
|
<h3>Create new address book</h3>
|
|
<input type="hidden" name="sabreAction" value="mkaddressbook" />
|
|
<label>Name (uri):</label> <input type="text" name="name" /><br />
|
|
<label>Display name:</label> <input type="text" name="{DAV:}displayname" /><br />
|
|
<input type="submit" value="create" />
|
|
</form>
|
|
</td></tr>';
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
/**
|
|
* This method allows us to intercept the 'mkcalendar' sabreAction. This
|
|
* action enables the user to create new calendars from the browser addon.
|
|
*
|
|
* @param string $uri
|
|
* @param string $action
|
|
* @param array $postVars
|
|
* @return bool
|
|
*/
|
|
public function browserPostAction($uri, $action, array $postVars) {
|
|
|
|
if ($action!=='mkaddressbook')
|
|
return;
|
|
|
|
$resourceType = array('{DAV:}collection','{urn:ietf:params:xml:ns:carddav}addressbook');
|
|
$properties = array();
|
|
if (isset($postVars['{DAV:}displayname'])) {
|
|
$properties['{DAV:}displayname'] = $postVars['{DAV:}displayname'];
|
|
}
|
|
$this->server->createCollection($uri . '/' . $postVars['name'],$resourceType,$properties);
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|