/**
* Fetches properties for a path.
*
* This method received a PropFind object, which contains all the
* information about the properties that need to be fetched.
*
* Ususually you would just want to call 'get404Properties' on this object,
* as this will give you the _exact_ list of properties that need to be
* fetched, and haven't yet.
*
* @param string $path
* @param PropFind $propFind
* @return void
*/
public function propFind($path, PropFind $propFind)
{
$propertyNames = $propFind->get404Properties();
if (!$propertyNames) {
return;
}
// error_log("propFind: path($path), " . print_r($propertyNames, true));
$cachedNodes = \CB\Cache::get('DAVNodes');
// error_log("propFind: " . print_r($cachedNodes, true));
$path = trim($path, '/');
$path = str_replace('\\', '/', $path);
// Node with $path is not in cached nodes, return
if (!array_key_exists($path, $cachedNodes)) {
return;
}
$node = $cachedNodes[$path];
// while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
// $propFind->set($row['name'], $row['value']);
// }
foreach ($propertyNames as $prop) {
if ($prop == '{DAV:}creationdate') {
$dttm = new \DateTime($node['cdate']);
// $dttm->getTimestamp()
$propFind->set($prop, \Sabre\HTTP\Util::toHTTPDate($dttm));
} elseif ($prop == '{urn:schemas-microsoft-com:office:office}modifiedby' or $prop == '{DAV:}getmodifiedby') {
// This has to be revised, because the User.login differs from User.DisplayName
// moreover, during an edit, Word will check for File Properties and we
// tell Word that the file is modified by another user
// $propFind->set($prop, \CB\User::getDisplayName($node['uid']));
}
}
}
function testSerialize()
{
$dt = new \DateTime('2010-03-14 16:35', new \DateTimeZone('UTC'));
$lastMod = new GetLastModified($dt);
$doc = new \DOMDocument();
$root = $doc->createElement('d:getlastmodified');
$root->setAttribute('xmlns:d', 'DAV:');
$doc->appendChild($root);
$server = new DAV\Server();
$lastMod->serialize($server, $root);
$xml = $doc->saveXML();
/*
$this->assertEquals(
'<?xml version="1.0"?>
<d:getlastmodified xmlns:d="DAV:" xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/" b:dt="dateTime.rfc1123">' .
HTTP\Util::toHTTPDate($dt) .
'</d:getlastmodified>
', $xml);
*/
$this->assertEquals('<?xml version="1.0"?>
<d:getlastmodified xmlns:d="DAV:">' . HTTP\Util::toHTTPDate($dt) . '</d:getlastmodified>
', $xml);
$ok = false;
try {
GetLastModified::unserialize(DAV\XMLUtil::loadDOMDocument($xml)->firstChild, array());
} catch (DAV\Exception $e) {
$ok = true;
}
if (!$ok) {
$this->markTestFailed('Unserialize should not be supported');
}
}
/**
* serialize
*
* @param DAV\Server $server
* @param \DOMElement $prop
* @return void
*/
public function serialize(DAV\Server $server, \DOMElement $prop)
{
$doc = $prop->ownerDocument;
//$prop->setAttribute('xmlns:b','urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/');
//$prop->setAttribute('b:dt','dateTime.rfc1123');
$prop->nodeValue = HTTP\Util::toHTTPDate($this->time);
}
function testHEAD()
{
$request = new HTTP\Request('HEAD', '/test.txt');
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(['X-Sabre-Version' => [DAV\Version::VERSION], 'Content-Type' => ['application/octet-stream'], 'Content-Length' => [13], 'Last-Modified' => [HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt')))], 'ETag' => ['"' . md5_file($this->tempDir . '/test.txt') . '"']], $this->response->getHeaders());
$this->assertEquals(200, $this->response->status);
$this->assertEquals('', $this->response->body);
}
function setUp()
{
parent::setUp();
$this->server->createFile('files/test.txt', 'Test contents');
$this->lastModified = HTTP\Util::toHTTPDate(new DateTime('@' . $this->server->tree->getNodeForPath('files/test.txt')->getLastModified()));
$stream = popen('echo "Test contents"', 'r');
$streamingFile = new Mock\StreamingFile('no-seeking.txt', $stream);
$streamingFile->setSize(12);
$this->server->tree->getNodeForPath('files')->addNode($streamingFile);
}
function testHEAD()
{
$serverVars = array('REQUEST_URI' => '/test.txt', 'REQUEST_METHOD' => 'HEAD');
$request = new HTTP\Request($serverVars);
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(array('Content-Type' => 'application/octet-stream', 'Content-Length' => 13, 'Last-Modified' => HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt'))), 'ETag' => '"' . md5_file($this->tempDir . '/test.txt') . '"'), $this->response->headers);
$this->assertEquals('HTTP/1.1 200 OK', $this->response->status);
$this->assertEquals('', $this->response->body);
}
function testBaseUri()
{
$serverVars = ['REQUEST_URI' => '/blabla/test.txt', 'REQUEST_METHOD' => 'GET'];
$filename = $this->tempDir . '/test.txt';
$request = HTTP\Sapi::createFromServerArray($serverVars);
$this->server->setBaseUri('/blabla/');
$this->assertEquals('/blabla/', $this->server->getBaseUri());
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(['X-Sabre-Version' => [Version::VERSION], 'Content-Type' => ['application/octet-stream'], 'Content-Length' => [13], 'Last-Modified' => [HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($filename)))], 'ETag' => ['"' . sha1(fileinode($filename) . filesize($filename) . filemtime($filename)) . '"']], $this->response->getHeaders());
$this->assertEquals(200, $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
/**
* This method checks the main HTTP preconditions.
*
* Currently these are:
* * If-Match
* * If-None-Match
* * If-Modified-Since
* * If-Unmodified-Since
*
* The method will return true if all preconditions are met
* The method will return false, or throw an exception if preconditions
* failed. If false is returned the operation should be aborted, and
* the appropriate HTTP response headers are already set.
*
* Normally this method will throw 412 Precondition Failed for failures
* related to If-None-Match, If-Match and If-Unmodified Since. It will
* set the status to 304 Not Modified for If-Modified_since.
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @return bool
*/
function checkPreconditions(RequestInterface $request, ResponseInterface $response) {
$path = $request->getPath();
$node = null;
$lastMod = null;
$etag = null;
if ($ifMatch = $request->getHeader('If-Match')) {
// If-Match contains an entity tag. Only if the entity-tag
// matches we are allowed to make the request succeed.
// If the entity-tag is '*' we are only allowed to make the
// request succeed if a resource exists at that url.
try {
$node = $this->tree->getNodeForPath($path);
} catch (Exception\NotFound $e) {
throw new Exception\PreconditionFailed('An If-Match header was specified and the resource did not exist', 'If-Match');
}
// Only need to check entity tags if they are not *
if ($ifMatch !== '*') {
// There can be multiple ETags
$ifMatch = explode(',', $ifMatch);
$haveMatch = false;
foreach ($ifMatch as $ifMatchItem) {
// Stripping any extra spaces
$ifMatchItem = trim($ifMatchItem, ' ');
$etag = $node instanceof IFile ? $node->getETag() : null;
if ($etag === $ifMatchItem) {
$haveMatch = true;
} else {
// Evolution has a bug where it sometimes prepends the "
// with a \. This is our workaround.
if (str_replace('\\"', '"', $ifMatchItem) === $etag) {
$haveMatch = true;
}
}
}
if (!$haveMatch) {
if ($etag) $response->setHeader('ETag', $etag);
throw new Exception\PreconditionFailed('An If-Match header was specified, but none of the specified the ETags matched.', 'If-Match');
}
}
}
if ($ifNoneMatch = $request->getHeader('If-None-Match')) {
// The If-None-Match header contains an ETag.
// Only if the ETag does not match the current ETag, the request will succeed
// The header can also contain *, in which case the request
// will only succeed if the entity does not exist at all.
$nodeExists = true;
if (!$node) {
try {
$node = $this->tree->getNodeForPath($path);
} catch (Exception\NotFound $e) {
$nodeExists = false;
}
}
if ($nodeExists) {
$haveMatch = false;
if ($ifNoneMatch === '*') $haveMatch = true;
else {
// There might be multiple ETags
$ifNoneMatch = explode(',', $ifNoneMatch);
$etag = $node instanceof IFile ? $node->getETag() : null;
foreach ($ifNoneMatch as $ifNoneMatchItem) {
// Stripping any extra spaces
$ifNoneMatchItem = trim($ifNoneMatchItem, ' ');
if ($etag === $ifNoneMatchItem) $haveMatch = true;
}
}
if ($haveMatch) {
if ($etag) $response->setHeader('ETag', $etag);
if ($request->getMethod() === 'GET') {
$response->setStatus(304);
return false;
} else {
throw new Exception\PreconditionFailed('An If-None-Match header was specified, but the ETag matched (or * was specified).', 'If-None-Match');
}
}
}
}
if (!$ifNoneMatch && ($ifModifiedSince = $request->getHeader('If-Modified-Since'))) {
// The If-Modified-Since header contains a date. We
// will only return the entity if it has been changed since
// that date. If it hasn't been changed, we return a 304
// header
// Note that this header only has to be checked if there was no If-None-Match header
// as per the HTTP spec.
$date = HTTP\Util::parseHTTPDate($ifModifiedSince);
if ($date) {
if (is_null($node)) {
$node = $this->tree->getNodeForPath($path);
}
$lastMod = $node->getLastModified();
if ($lastMod) {
$lastMod = new \DateTime('@' . $lastMod);
if ($lastMod <= $date) {
$response->setStatus(304);
$response->setHeader('Last-Modified', HTTP\Util::toHTTPDate($lastMod));
return false;
}
}
}
}
if ($ifUnmodifiedSince = $request->getHeader('If-Unmodified-Since')) {
// The If-Unmodified-Since will allow allow the request if the
// entity has not changed since the specified date.
$date = HTTP\Util::parseHTTPDate($ifUnmodifiedSince);
// We must only check the date if it's valid
if ($date) {
if (is_null($node)) {
$node = $this->tree->getNodeForPath($path);
}
$lastMod = $node->getLastModified();
if ($lastMod) {
$lastMod = new \DateTime('@' . $lastMod);
if ($lastMod > $date) {
throw new Exception\PreconditionFailed('An If-Unmodified-Since header was specified, but the entity has been changed since the specified date.', 'If-Unmodified-Since');
}
}
}
}
// Now the hardest, the If: header. The If: header can contain multiple
// urls, ETags and so-called 'state tokens'.
//
// Examples of state tokens include lock-tokens (as defined in rfc4918)
// and sync-tokens (as defined in rfc6578).
//
// The only proper way to deal with these, is to emit events, that a
// Sync and Lock plugin can pick up.
$ifConditions = $this->getIfConditions($request);
foreach ($ifConditions as $kk => $ifCondition) {
foreach ($ifCondition['tokens'] as $ii => $token) {
$ifConditions[$kk]['tokens'][$ii]['validToken'] = false;
}
}
// Plugins are responsible for validating all the tokens.
// If a plugin deemed a token 'valid', it will set 'validToken' to
// true.
$this->emit('validateTokens', [ $request, &$ifConditions ]);
// Now we're going to analyze the result.
// Every ifCondition needs to validate to true, so we exit as soon as
// we have an invalid condition.
foreach ($ifConditions as $ifCondition) {
$uri = $ifCondition['uri'];
$tokens = $ifCondition['tokens'];
// We only need 1 valid token for the condition to succeed.
foreach ($tokens as $token) {
$tokenValid = $token['validToken'] || !$token['token'];
$etagValid = false;
if (!$token['etag']) {
$etagValid = true;
}
// Checking the ETag, only if the token was already deamed
// valid and there is one.
if ($token['etag'] && $tokenValid) {
// The token was valid, and there was an ETag. We must
// grab the current ETag and check it.
$node = $this->tree->getNodeForPath($uri);
$etagValid = $node instanceof IFile && $node->getETag() == $token['etag'];
}
if (($tokenValid && $etagValid) ^ $token['negate']) {
// Both were valid, so we can go to the next condition.
continue 2;
}
}
// If we ended here, it means there was no valid ETag + token
// combination found for the current condition. This means we fail!
throw new Exception\PreconditionFailed('Failed to find a valid token/etag combination for ' . $uri, 'If');
}
return true;
}
/**
* @depends testRange
*/
function testIfRangeModificationDateModified()
{
$node = $this->server->tree->getNodeForPath('test.txt');
$serverVars = array('REQUEST_URI' => '/test.txt', 'REQUEST_METHOD' => 'GET', 'HTTP_RANGE' => 'bytes=2-5', 'HTTP_IF_RANGE' => '-2 years');
$request = HTTP\Sapi::createFromServerArray($serverVars);
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(array('X-Sabre-Version' => [Version::VERSION], 'Content-Type' => ['application/octet-stream'], 'Content-Length' => [13], 'Last-Modified' => [HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt')))], 'ETag' => ['"' . md5(file_get_contents(SABRE_TEMPDIR . '/test.txt')) . '"']), $this->response->getHeaders());
$this->assertEquals(200, $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
/**
* This event is triggered after GET requests.
*
* This is used to transform data into jCal, if this was requested.
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @return void
*/
function httpAfterGet(RequestInterface $request, ResponseInterface $response)
{
if (strpos($response->getHeader('Content-Type'), 'text/calendar') === false) {
return;
}
$result = HTTP\Util::negotiate($request->getHeader('Accept'), ['text/calendar', 'application/calendar+json']);
if ($result !== 'application/calendar+json') {
// Do nothing
return;
}
// Transforming.
$vobj = VObject\Reader::read($response->getBody());
$jsonBody = json_encode($vobj->jsonSerialize());
$response->setBody($jsonBody);
$response->setHeader('Content-Type', 'application/calendar+json');
$response->setHeader('Content-Length', strlen($jsonBody));
}
/**
* Intercepts GET requests on calendar urls ending with ?export.
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @return bool
*/
function httpGet(RequestInterface $request, ResponseInterface $response)
{
$queryParams = $request->getQueryParameters();
if (!array_key_exists('export', $queryParams)) {
return;
}
$path = $request->getPath();
$node = $this->server->getProperties($path, ['{DAV:}resourcetype', '{DAV:}displayname', '{http://sabredav.org/ns}sync-token', '{DAV:}sync-token', '{http://apple.com/ns/ical/}calendar-color']);
if (!isset($node['{DAV:}resourcetype']) || !$node['{DAV:}resourcetype']->is('{' . Plugin::NS_CALDAV . '}calendar')) {
return;
}
// Marking the transactionType, for logging purposes.
$this->server->transactionType = 'get-calendar-export';
$properties = $node;
$start = null;
$end = null;
$expand = false;
$componentType = false;
if (isset($queryParams['start'])) {
if (!ctype_digit($queryParams['start'])) {
throw new BadRequest('The start= parameter must contain a unix timestamp');
}
$start = DateTime::createFromFormat('U', $queryParams['start']);
}
if (isset($queryParams['end'])) {
if (!ctype_digit($queryParams['end'])) {
throw new BadRequest('The end= parameter must contain a unix timestamp');
}
$end = DateTime::createFromFormat('U', $queryParams['end']);
}
if (isset($queryParams['expand']) && !!$queryParams['expand']) {
if (!$start || !$end) {
throw new BadRequest('If you\'d like to expand recurrences, you must specify both a start= and end= parameter.');
}
$expand = true;
$componentType = 'VEVENT';
}
if (isset($queryParams['componentType'])) {
if (!in_array($queryParams['componentType'], ['VEVENT', 'VTODO', 'VJOURNAL'])) {
throw new BadRequest('You are not allowed to search for components of type: ' . $queryParams['componentType'] . ' here');
}
$componentType = $queryParams['componentType'];
}
$format = \Sabre\HTTP\Util::Negotiate($request->getHeader('Accept'), ['text/calendar', 'application/calendar+json']);
if (isset($queryParams['accept'])) {
if ($queryParams['accept'] === 'application/calendar+json' || $queryParams['accept'] === 'jcal') {
$format = 'application/calendar+json';
}
}
if (!$format) {
$format = 'text/calendar';
}
$this->generateResponse($path, $start, $end, $expand, $componentType, $format, $properties, $response);
// Returning false to break the event chain
return false;
}
/**
* Makes sure the supplied value is a valid RFC2616 date.
*
* If we would just use strtotime to get a valid timestamp, we have no way of checking if a
* user just supplied the word 'now' for the date header.
*
* This function also makes sure the Date header is within 15 minutes of the operating
* system date, to prevent replay attacks.
*
* @param string $dateHeader
* @return bool
*/
protected function validateRFC2616Date($dateHeader)
{
$date = Util::parseHTTPDate($dateHeader);
// Unknown format
if (!$date) {
$this->errorCode = self::ERR_INVALIDDATEFORMAT;
return false;
}
$min = new \DateTime('-15 minutes');
$max = new \DateTime('+15 minutes');
// We allow 15 minutes around the current date/time
if ($date > $max || $date < $min) {
$this->errorCode = self::ERR_REQUESTTIMESKEWED;
return false;
}
return $date;
}
function testBaseUri()
{
$serverVars = array('REQUEST_URI' => '/blabla/test.txt', 'REQUEST_METHOD' => 'GET');
$request = HTTP\Sapi::createFromServerArray($serverVars);
$this->server->setBaseUri('/blabla/');
$this->assertEquals('/blabla/', $this->server->getBaseUri());
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(array('X-Sabre-Version' => Version::VERSION, 'Content-Type' => 'application/octet-stream', 'Content-Length' => 13, 'Last-Modified' => HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt')))), $this->response->getHeaders());
$this->assertEquals(200, $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
/**
* @depends testRange
* @covers \Sabre\DAV\Server::httpGet
*/
function testIfRangeModificationDateModified()
{
$node = $this->server->tree->getNodeForPath('test.txt');
$serverVars = array('REQUEST_URI' => '/test.txt', 'REQUEST_METHOD' => 'GET', 'HTTP_RANGE' => 'bytes=2-5', 'HTTP_IF_RANGE' => '-2 years');
$request = new HTTP\Request($serverVars);
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(array('Content-Type' => 'application/octet-stream', 'Content-Length' => 13, 'Last-Modified' => HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt'))), 'ETag' => '"' . md5(file_get_contents(SABRE_TEMPDIR . '/test.txt')) . '"'), $this->response->headers);
$this->assertEquals('HTTP/1.1 200 OK', $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
/**
* This helper function performs the content-type negotiation for vcards.
*
* It will return one of the following strings:
* 1. vcard3
* 2. vcard4
* 3. jcard
*
* It defaults to vcard3.
*
* @param string $input
* @param string $mimeType
* @return string
*/
protected function negotiateVCard($input, &$mimeType = null) {
$result = HTTP\Util::negotiate(
$input,
[
// Most often used mime-type. Version 3
'text/x-vcard',
// The correct standard mime-type. Defaults to version 3 as
// well.
'text/vcard',
// vCard 4
'text/vcard; version=4.0',
// vCard 3
'text/vcard; version=3.0',
// jCard
'application/vcard+json',
]
);
$mimeType = $result;
switch ($result) {
default :
case 'text/x-vcard' :
case 'text/vcard' :
case 'text/vcard; version=3.0' :
$mimeType = 'text/vcard';
return 'vcard3';
case 'text/vcard; version=4.0' :
return 'vcard4';
case 'application/vcard+json' :
return 'jcard';
// @codeCoverageIgnoreStart
}
// @codeCoverageIgnoreEnd
}
/**
* The serialize method is called during xml writing.
*
* It should use the $writer argument to encode this object into XML.
*
* Important note: it is not needed to create the parent element. The
* parent element is already created, and we only have to worry about
* attributes, child elements and text (if any).
*
* Important note 2: If you are writing any new elements, you are also
* responsible for closing them.
*
* @param Writer $writer
* @return void
*/
function xmlSerialize(Writer $writer)
{
$writer->write(HTTP\Util::toHTTPDate($this->time));
}
/**
* This helper function performs the content-type negotiation for vcards.
*
* It will return one of the following strings:
* 1. vcard3
* 2. vcard4
* 3. jcard
*
* It defaults to vcard3.
*
* @param string $input
* @param string $mimeType
* @return string
*/
protected function negotiateVCard($input, &$mimeType = null)
{
$result = HTTP\Util::negotiate($input, ['text/x-vcard', 'text/vcard', 'text/vcard; version=4.0', 'text/vcard; version=3.0', 'application/vcard+json']);
$mimeType = $result;
switch ($result) {
default:
case 'text/x-vcard':
case 'text/vcard':
case 'text/vcard; version=3.0':
$mimeType = 'text/vcard';
return 'vcard3';
case 'text/vcard; version=4.0':
return 'vcard4';
case 'application/vcard+json':
return 'jcard';
// @codeCoverageIgnoreStart
}
// @codeCoverageIgnoreEnd
}
/**
* This method checks the main HTTP preconditions.
*
* Currently these are:
* * If-Match
* * If-None-Match
* * If-Modified-Since
* * If-Unmodified-Since
*
* The method will return true if all preconditions are met
* The method will return false, or throw an exception if preconditions
* failed. If false is returned the operation should be aborted, and
* the appropriate HTTP response headers are already set.
*
* Normally this method will throw 412 Precondition Failed for failures
* related to If-None-Match, If-Match and If-Unmodified Since. It will
* set the status to 304 Not Modified for If-Modified_since.
*
* If the $handleAsGET argument is set to true, it will also return 304
* Not Modified for failure of the If-None-Match precondition. This is the
* desired behaviour for HTTP GET and HTTP HEAD requests.
*
* @param bool $handleAsGET
* @return bool
*/
public function checkPreconditions($handleAsGET = false)
{
$uri = $this->getRequestUri();
$node = null;
$lastMod = null;
$etag = null;
if ($ifMatch = $this->httpRequest->getHeader('If-Match')) {
// If-Match contains an entity tag. Only if the entity-tag
// matches we are allowed to make the request succeed.
// If the entity-tag is '*' we are only allowed to make the
// request succeed if a resource exists at that url.
try {
$node = $this->tree->getNodeForPath($uri);
} catch (Exception\NotFound $e) {
throw new Exception\PreconditionFailed('An If-Match header was specified and the resource did not exist', 'If-Match');
}
// Only need to check entity tags if they are not *
if ($ifMatch !== '*') {
// There can be multiple etags
$ifMatch = explode(',', $ifMatch);
$haveMatch = false;
foreach ($ifMatch as $ifMatchItem) {
// Stripping any extra spaces
$ifMatchItem = trim($ifMatchItem, ' ');
$etag = $node->getETag();
if ($etag === $ifMatchItem) {
$haveMatch = true;
} else {
// Evolution has a bug where it sometimes prepends the "
// with a \. This is our workaround.
if (str_replace('\\"', '"', $ifMatchItem) === $etag) {
$haveMatch = true;
}
}
}
if (!$haveMatch) {
throw new Exception\PreconditionFailed('An If-Match header was specified, but none of the specified the ETags matched.', 'If-Match');
}
}
}
if ($ifNoneMatch = $this->httpRequest->getHeader('If-None-Match')) {
// The If-None-Match header contains an etag.
// Only if the ETag does not match the current ETag, the request will succeed
// The header can also contain *, in which case the request
// will only succeed if the entity does not exist at all.
$nodeExists = true;
if (!$node) {
try {
$node = $this->tree->getNodeForPath($uri);
} catch (Exception\NotFound $e) {
$nodeExists = false;
}
}
if ($nodeExists) {
$haveMatch = false;
if ($ifNoneMatch === '*') {
$haveMatch = true;
} else {
// There might be multiple etags
$ifNoneMatch = explode(',', $ifNoneMatch);
$etag = $node->getETag();
foreach ($ifNoneMatch as $ifNoneMatchItem) {
// Stripping any extra spaces
$ifNoneMatchItem = trim($ifNoneMatchItem, ' ');
if ($etag === $ifNoneMatchItem) {
$haveMatch = true;
}
}
}
if ($haveMatch) {
if ($handleAsGET) {
$this->httpResponse->sendStatus(304);
return false;
} else {
throw new Exception\PreconditionFailed('An If-None-Match header was specified, but the ETag matched (or * was specified).', 'If-None-Match');
}
}
}
}
if (!$ifNoneMatch && ($ifModifiedSince = $this->httpRequest->getHeader('If-Modified-Since'))) {
// The If-Modified-Since header contains a date. We
// will only return the entity if it has been changed since
// that date. If it hasn't been changed, we return a 304
// header
// Note that this header only has to be checked if there was no If-None-Match header
// as per the HTTP spec.
$date = HTTP\Util::parseHTTPDate($ifModifiedSince);
if ($date) {
if (is_null($node)) {
$node = $this->tree->getNodeForPath($uri);
}
$lastMod = $node->getLastModified();
if ($lastMod) {
$lastMod = new \DateTime('@' . $lastMod);
if ($lastMod <= $date) {
$this->httpResponse->sendStatus(304);
$this->httpResponse->setHeader('Last-Modified', HTTP\Util::toHTTPDate($lastMod));
return false;
}
}
}
}
if ($ifUnmodifiedSince = $this->httpRequest->getHeader('If-Unmodified-Since')) {
// The If-Unmodified-Since will allow allow the request if the
// entity has not changed since the specified date.
$date = HTTP\Util::parseHTTPDate($ifUnmodifiedSince);
// We must only check the date if it's valid
if ($date) {
if (is_null($node)) {
$node = $this->tree->getNodeForPath($uri);
}
$lastMod = $node->getLastModified();
if ($lastMod) {
$lastMod = new \DateTime('@' . $lastMod);
if ($lastMod > $date) {
throw new Exception\PreconditionFailed('An If-Unmodified-Since header was specified, but the entity has been changed since the specified date.', 'If-Unmodified-Since');
}
}
}
}
return true;
}
function testBaseUri()
{
$serverVars = array('REQUEST_URI' => '/blabla/test.txt', 'REQUEST_METHOD' => 'GET');
$request = new HTTP\Request($serverVars);
$this->server->setBaseUri('/blabla/');
$this->assertEquals('/blabla/', $this->server->getBaseUri());
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(array('Content-Type' => 'application/octet-stream', 'Content-Length' => 13, 'Last-Modified' => HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt')))), $this->response->headers);
$this->assertEquals('HTTP/1.1 200 OK', $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
/**
* @depends testRange
*/
function testIfRangeModificationDateModified()
{
$node = $this->server->tree->getNodeForPath('test.txt');
$request = new HTTP\Request('GET', '/test.txt', ['Range' => 'bytes=2-5', 'If-Range' => '-2 years']);
$filename = SABRE_TEMPDIR . '/test.txt';
$this->server->httpRequest = $request;
$this->server->exec();
$this->assertEquals(['X-Sabre-Version' => [Version::VERSION], 'Content-Type' => ['application/octet-stream'], 'Content-Length' => [13], 'Last-Modified' => [HTTP\Util::toHTTPDate(new \DateTime('@' . filemtime($this->tempDir . '/test.txt')))], 'ETag' => ['"' . sha1(fileinode($filename) . filesize($filename) . filemtime($filename)) . '"']], $this->response->getHeaders());
$this->assertEquals(200, $this->response->status);
$this->assertEquals('Test contents', stream_get_contents($this->response->body));
}
