/**
* Parses a piece of XML with <D:href> pieces
*
* @param string $hrefs
* @return DAV_Element_href
* @throws DAV_Status
*/
public static function parse_hrefs($hrefs)
{
$href = new DAV_Element_href();
if (!preg_match('@^\\s*(?:<D:href(?:\\s+[^>]*)?>\\s*[^\\s<]+\\s*</D:href>\\s*)*$@', $hrefs)) {
return $href;
}
preg_match_all('@<D:href(?:\\s+[^>]*)?>\\s*([^\\s<]+)\\s*</D:href>@', $hrefs, $matches);
foreach ($matches[1] as $match) {
$href->addURI(DAV::parseURI($match, false));
}
return $href;
}
/**
* @expectedException PHPUnit_Framework_Error_Warning
*/
public function testParseURI()
{
$this->assertSame(DAV::parseURI('https://webdav.org/some/path/to/a/file.txt'), '/some/path/to/a/file.txt', 'DAV::parseURI() should return the correct path for a regular uri');
try {
DAV::parseURI('https://non-webdav.org/some/path/to/a/file.txt');
$this->assertTrue(false, 'DAV::parseURI() should throw an DAV_Status exception when the uri is out of scope of this server');
} catch (DAV_Status $exception) {
$this->assertSame(400, $exception->getCode(), 'DAV::parseURI() should throw an DAV_Status exception with code 400 when the uri is out of scope of this server');
}
try {
$this->assertSame('/some/path/to/a/file.txt', DAV::parseURI('https://non-webdav.org/some/path/to/a/file.txt', false), 'DAV::parseURI() should return the correct path when it is allowed to have the uri out of scope of this server');
} catch (DAV_Status $exception) {
$this->assertTrue(false, 'DAV::parseURI() should not throw an DAV_Status exception when it is allowed to have the uri out of scope of this server');
}
$_SERVER['PHP_AUTH_USER'] = '******';
$this->assertSame(DAV::parseURI('https://niek@webdav.org/some/path/to/a/file.txt'), '/some/path/to/a/file.txt', 'DAV::parseURI() should return the correct path for an uri with username');
}
/**
* Parses the If: header.
* Puts its results into $this->if_header.
* @return void
* @throws DAV_Status if there's a parse error.
*/
private function init_if_header()
{
if (!isset($_SERVER['HTTP_IF'])) {
return;
}
$pos = 0;
// Outer parser loop. Iterates over (No-)Tag-Lists
while ($token = self::if_header_lexer($pos)) {
$path = DAV::getPath();
// check for URI
if ($token[0] === 'URI') {
// It's a tagged list!
$path = DAV::parseURI($token[1]);
// May throw an exception
if (!($token = self::if_header_lexer($pos))) {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, "Unexpected end of If: header: {$_SERVER['HTTP_IF']}");
}
}
// sanity check
if ($token[0] !== "CHAR" || $token[1] !== '(') {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, "Error while parsing If: header: Found '{$token[1]}' where '(' was expected.");
}
// Initialize inner parser loop:
$etag = null;
$notetags = $locks = $notlocks = array();
// Inner parser loop:
while (($token = self::if_header_lexer($pos)) && !($token[0] === 'CHAR' && $token[1] === ')')) {
// Initialize $bool:
if ($token[0] === 'NOT') {
$bool = false;
if (!($token = self::if_header_lexer($pos))) {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, "Unexpected end header If: {$_SERVER['HTTP_IF']}");
}
} else {
$bool = true;
}
switch ($token[0]) {
case 'URI':
DAV::$SUBMITTEDTOKENS[$token[1]] = $token[1];
if ($bool) {
$locks[$token[1]] = $token[1];
} else {
$notlocks[$token[1]] = $token[1];
}
break;
case 'ETAG':
if ($bool && $etag) {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, 'Multiple etags required on resource.');
}
if ($bool) {
$etag = $token[1];
} else {
$notetags[$token[1]] = $token[1];
}
break;
default:
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, <<<EOS
Error while parsing If: header:
Found "{$token[1]}" where "<" or "[" was expected.
EOS
);
}
// switch($token[0])
}
// while
// Shared locks are not supported, so any request with multiple lock tokens
// for one URI can never succeed.
if (1 < count($locks)) {
throw new DAV_Status(DAV::HTTP_PRECONDITION_FAILED, DAV::COND_LOCK_TOKEN_MATCHES_REQUEST_URI);
}
$this->if_header[$path] = array('etag' => $etag, 'notetags' => $notetags, 'lock' => array_shift($locks), 'notlocks' => $notlocks);
}
// while
}
/**
* Set the (requested) path
* @param string $urlencodedPath The URL encoded path
* @return void
*/
public static function setPath($urlencodedPath)
{
$cache = DAV_Cache::inst('DAV');
$cache->set('path', DAV::parseURI($urlencodedPath, true));
}
