* @since 1.19
*/
class SwiftFileBackend extends FileBackendStore {
- /** @var CF_Authentication */
- protected $auth; // Swift authentication handler
- protected $authTTL; // integer seconds
- protected $swiftTempUrlKey; // string; shared secret value for making temp urls
- protected $swiftAnonUser; // string; username to handle unauthenticated requests
- protected $swiftUseCDN; // boolean; whether CloudFiles CDN is enabled
- protected $swiftCDNExpiry; // integer; how long to cache things in the CDN
- protected $swiftCDNPurgable; // boolean; whether object CDN purging is enabled
+ /** @var CF_Authentication Swift authentication handler */
+ protected $auth;
+
+ /** @var int TTL in seconds */
+ protected $authTTL;
+
+ /** @var string Shared secret value for making temp URLs */
+ protected $swiftTempUrlKey;
+
+ /** @var string Username to handle unauthenticated requests */
+ protected $swiftAnonUser;
+
+ /** @var bool Whether CloudFiles CDN is enabled */
+ protected $swiftUseCDN;
+
+ /** @var int How long to cache things in the CDN */
+ protected $swiftCDNExpiry;
+
+ /** @var bool Whether object CDN purging is enabled */
+ protected $swiftCDNPurgable;
// Rados Gateway specific options
- protected $rgwS3AccessKey; // string; S3 access key
- protected $rgwS3SecretKey; // string; S3 authentication key
+ /** @var string S3 access key */
+ protected $rgwS3AccessKey;
- /** @var CF_Connection */
- protected $conn; // Swift connection handle
- protected $sessionStarted = 0; // integer UNIX timestamp
+ /** @var string S3 authentication key */
+ protected $rgwS3SecretKey;
+
+ /** @var CF_Connection Swift connection handle*/
+ protected $conn;
+
+ /** @var int UNIX timestamp */
+ protected $sessionStarted = 0;
/** @var CloudFilesException */
protected $connException;
- protected $connErrorTime = 0; // UNIX timestamp
+
+ /** @var int UNIX timestamp */
+ protected $connErrorTime = 0;
/** @var BagOStuff */
protected $srvCache;
/**
* @see FileBackendStore::resolveContainerPath()
- * @return null
+ * @param string $container
+ * @param string $relStoragePath
+ * @return string|null Returns null when the URL encoded storage path is
+ * longer than 1024 characters or not UTF-8 encoded.
*/
protected function resolveContainerPath( $container, $relStoragePath ) {
if ( !mb_check_encoding( $relStoragePath, 'UTF-8' ) ) { // mb_string required by CF
/**
* @see FileBackendStore::doSecureInternal()
+ * @param string $fullCont
+ * @param string $dir
+ * @param array $params
* @return Status
*/
protected function doSecureInternal( $fullCont, $dir, array $params ) {
/**
* @see FileBackendStore::doPublishInternal()
+ * @param string $fullCont
+ * @param string $dir
+ * @param array $params
* @return Status
*/
protected function doPublishInternal( $fullCont, $dir, array $params ) {
/**
* @see FileBackendStore::doDirectoryExists()
+ * @param string $fullCont
+ * @param string $dir
+ * @param array $params
* @return bool|null
*/
protected function doDirectoryExists( $fullCont, $dir, array $params ) {
/**
* @see FileBackendStore::getDirectoryListInternal()
+ * @param string $fullCont
+ * @param string $dir
+ * @param array $params
* @return SwiftFileBackendDirList
*/
public function getDirectoryListInternal( $fullCont, $dir, array $params ) {
/**
* @see FileBackendStore::getFileListInternal()
+ * @param string $fullCont
+ * @param string $dir
+ * @param array $params
* @return SwiftFileBackendFileList
*/
public function getFileListInternal( $fullCont, $dir, array $params ) {
* @param string $fullCont Resolved container name
* @param string $dir Resolved storage directory with no trailing slash
* @param string|null $after Resolved container relative path to list items after
- * @param integer $limit Max number of items to list
+ * @param int $limit Max number of items to list
* @param array $params Parameters for getDirectoryList()
- * @return Array List of container relative resolved paths of directories directly under $dir
+ * @return array List of container relative resolved paths of directories directly under $dir
* @throws FileBackendError
*/
public function getDirListPageInternal( $fullCont, $dir, &$after, $limit, array $params ) {
* @param string $fullCont Resolved container name
* @param string $dir Resolved storage directory with no trailing slash
* @param string|null $after Resolved container relative path of file to list items after
- * @param integer $limit Max number of items to list
+ * @param int $limit Max number of items to list
* @param array $params Parameters for getDirectoryList()
- * @return Array List of resolved container relative paths of files under $dir
+ * @return array List of resolved container relative paths of files under $dir
* @throws FileBackendError
*/
public function getFileListPageInternal( $fullCont, $dir, &$after, $limit, array $params ) {
try {
$container = $this->getContainer( $fullCont );
$prefix = ( $dir == '' ) ? null : "{$dir}/";
- $objects = array(); // list of unfiltered names or CF_Object items
+
+ // $objects will contain a list of unfiltered names or CF_Object items
// Non-recursive: only list files right under $dir
if ( !empty( $params['topOnly'] ) ) {
if ( !empty( $params['adviseStat'] ) ) {
*
* @param string $path Storage path
* @param array $val Stat value
- * @return void
*/
public function loadListingStatInternal( $path, array $val ) {
$this->cheapCache->set( $path, 'stat', $val );
* $params is currently only checked for a 'latest' flag.
*
* @param array $params
- * @return Array
+ * @return array
*/
protected function headersFromParams( array $params ) {
$hdrs = array();
/**
* Set read/write permissions for a Swift container.
*
- * $readGrps is a list of the possible criteria for a request to have
+ * @see http://swift.openstack.org/misc.html#acls
+ *
+ * In general, we don't allow listings to end-users. It's not useful, isn't well-defined
+ * (lists are truncated to 10000 item with no way to page), and is just a performance risk.
+ *
+ * @param CF_Container $contObj Swift container
+ * @param array $readGrps List of the possible criteria for a request to have
* access to read a container. Each item is one of the following formats:
* - account:user : Grants access if the request is by the given user
* - ".r:<regex>" : Grants access if the request is from a referrer host that
* Setting this to '*' effectively makes a container public.
* -".rlistings:<regex>" : Grants access if the request is from a referrer host that
* matches the expression and the request is for a listing.
- *
- * $writeGrps is a list of the possible criteria for a request to have
+ * @param array $writeGrps A list of the possible criteria for a request to have
* access to write to a container. Each item is of the following format:
* - account:user : Grants access if the request is by the given user
- *
- * @see http://swift.openstack.org/misc.html#acls
- *
- * In general, we don't allow listings to end-users. It's not useful, isn't well-defined
- * (lists are truncated to 10000 item with no way to page), and is just a performance risk.
- *
- * @param CF_Container $contObj Swift container
- * @param array $readGrps List of read access routes
- * @param array $writeGrps List of write access routes
* @return Status
*/
protected function setContainerAccess(
* This is for Rackspace/Akamai CDNs.
*
* @param array $objects List of CF_Object items
- * @return void
*/
public function purgeCDNCache( array $objects ) {
if ( $this->swiftUseCDN && $this->swiftCDNPurgable ) {
/**
* Close the connection to the Swift proxy
- *
- * @return void
*/
protected function closeConnection() {
if ( $this->conn ) {
* Delete a Swift container
*
* @param string $container Container name
- * @return void
* @throws CloudFilesException
*/
protected function deleteContainer( $container ) {
* @param Status $status null
* @param string $func
* @param array $params
- * @return void
*/
protected function handleException( Exception $e, $status, $func, array $params ) {
if ( $status instanceof Status ) {
class SwiftFileOpHandle extends FileBackendStoreOpHandle {
/** @var CF_Async_Op */
public $cfOp;
- /** @var Array */
+
+ /** @var array */
public $affectedObjects = array();
/**
* @ingroup FileBackend
*/
abstract class SwiftFileBackendList implements Iterator {
- /** @var Array List of path or (path,stat array) entries */
+ /** @var array List of path or (path,stat array) entries */
protected $bufferIter = array();
- protected $bufferAfter = null; // string; list items *after* this path
- protected $pos = 0; // integer
- /** @var Array */
+
+ /** @var string List items *after* this path */
+ protected $bufferAfter = null;
+
+ /** @var int */
+ protected $pos = 0;
+
+ /** @var array */
protected $params = array();
/** @var SwiftFileBackend */
protected $backend;
- protected $container; // string; container name
- protected $dir; // string; storage directory
- protected $suffixStart; // integer
+
+ /** @var string Container name */
+ protected $container;
+
+ /** @var string Storage directory */
+ protected $dir;
+
+ /** @var int */
+ protected $suffixStart;
const PAGE_SIZE = 9000; // file listing buffer size
/**
* @see Iterator::key()
- * @return integer
+ * @return int
*/
public function key() {
return $this->pos;
/**
* @see Iterator::next()
- * @return void
*/
public function next() {
// Advance to the next file in the page
/**
* @see Iterator::rewind()
- * @return void
*/
public function rewind() {
$this->pos = 0;
* @param string $container Resolved container name
* @param string $dir Resolved path relative to container
* @param string $after null
- * @param integer $limit
+ * @param int $limit
* @param array $params
- * @return Traversable|Array
+ * @return Traversable|array
*/
abstract protected function pageFromList( $container, $dir, &$after, $limit, array $params );
}
/**
* @see SwiftFileBackendList::pageFromList()
- * @return Array
+ * @param string $container
+ * @param string $dir
+ * @param string $after
+ * @param int $limit
+ * @param array $params
+ * @return array
*/
protected function pageFromList( $container, $dir, &$after, $limit, array $params ) {
return $this->backend->getDirListPageInternal( $container, $dir, $after, $limit, $params );
/**
* @see SwiftFileBackendList::pageFromList()
- * @return Array
+ * @param string $container
+ * @param string $dir
+ * @param string $after
+ * @param int $limit
+ * @param array $params
+ * @return array
*/
protected function pageFromList( $container, $dir, &$after, $limit, array $params ) {
return $this->backend->getFileListPageInternal( $container, $dir, $after, $limit, $params );
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