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<?php
namespace sinacloud\sae;
if (defined('SAE_APPNAME')) {
define('DEFAULT_STORAGE_ENDPOINT', 'api.i.sinas3.com:81');
define('DEFAULT_USE_SSL', false);
} else {
define('DEFAULT_STORAGE_ENDPOINT', 'api.sinas3.com');
define('DEFAULT_USE_SSL', true);
}
class Storage
{
const ACL_PRIVATE = '';
const ACL_PUBLIC_READ = '.r:*';
private static $__accessKey = null;
private static $__secretKey = null;
private static $__account = null;
public static $defDelimiter = null;
public static $endpoint = DEFAULT_STORAGE_ENDPOINT;
public static $proxy = null;
public static $useSSL = DEFAULT_USE_SSL;
public static $useSSLValidation = false;
public static $useSSLVersion = 1;
public static $useExceptions = false;
public function __construct($accessKey = null, $secretKey = null,
$useSSL = DEFAULT_USE_SSL, $endpoint = DEFAULT_STORAGE_ENDPOINT)
{
if ($accessKey !== null && $secretKey !== null) {
self::setAuth($accessKey, $secretKey);
} else if (defined('SAE_APPNAME')) {
self::setAuth(SAE_APPNAME.':'.SAE_ACCESSKEY, SAE_SECRETKEY);
}
self::$useSSL = $useSSL;
self::$endpoint = $endpoint;
}
public function setEndpoint($host)
{
self::$endpoint = $host;
}
public static function setAuth($accessKey, $secretKey)
{
$e = explode(':', $accessKey);
self::$__account = $e[0];
self::$__accessKey = $e[1];
self::$__secretKey = $secretKey;
}
public static function hasAuth() {
return (self::$__accessKey !== null && self::$__secretKey !== null);
}
public static function setSSL($enabled, $validate = true)
{
self::$useSSL = $enabled;
self::$useSSLValidation = $validate;
}
public static function setProxy($host, $user = null, $pass = null, $type = CURLPROXY_SOCKS5)
{
self::$proxy = array('host' => $host, 'type' => $type, 'user' => $user, 'pass' => $pass);
}
public static function setExceptions($enabled = true)
{
self::$useExceptions = $enabled;
}
private static function __triggerError($message, $file, $line, $code = 0)
{
if (self::$useExceptions)
throw new StorageException($message, $file, $line, $code);
else
trigger_error($message, E_USER_WARNING);
}
public static function listBuckets($detailed = false)
{
$rest = new StorageRequest('GET', self::$__account, '', '', self::$endpoint);
$rest->setParameter('format', 'json');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::listBuckets(): [%s] %s", $rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
$buckets = json_decode($rest->body, True);
if ($buckets === False) {
self::__triggerError(sprintf("Storage::listBuckets(): invalid body: %s", $rest->body),
__FILE__, __LINE__);
return false;
}
if ($detailed) {
return $buckets;
}
$results = array();
foreach ($buckets as $b) $results[] = (string)$b['name'];
return $results;
}
public static function getBucket($bucket, $prefix = null, $marker = null, $limit = 1000, $delimiter = null, $keyword = null)
{
$result = array();
do {
$rest = new StorageRequest('GET', self::$__account, $bucket, '', self::$endpoint);
$rest->setParameter('format', 'json');
if ($prefix !== null && $prefix !== '') $rest->setParameter('prefix', $prefix);
if ($marker !== null && $marker !== '') $rest->setParameter('marker', $marker);
if ($delimiter !== null && $delimiter !== '') $rest->setParameter('delimiter', $delimiter);
if ($keyword !== null && $keyword !== '') $rest->setParameter('keyword', $keyword);
else if (!empty(self::$defDelimiter)) $rest->setParameter('delimiter', self::$defDelimiter);
if ($limit > 1000) {
$max_keys = 1000;
} else {
$max_keys = $limit;
}
$rest->setParameter("limit", $max_keys);
$limit -= 1000;
$response = $rest->getResponse();
if ($response->error === false && $response->code !== 200)
$response->error = array('code' => $response->code, 'message' => 'Unexpected HTTP status');
if ($response->error !== false)
{
self::__triggerError(sprintf("Storage::getBucket(): [%s] %s", $response->error['code'],
$response->error['message']), __FILE__, __LINE__);
return false;
}
$objects = json_decode($response->body, True);
if ($objects === False) {
self::__triggerError(sprintf("Storage::getBucket(): invalid body: %s", $response->body),
__FILE__, __LINE__);
return false;
}
if ($objects) {
$result = array_merge($result, $objects);
$marker = end($objects);
$marker = $marker['name'];
}
} while ($objects && count($objects) == $max_keys && $limit > 0);
return $result;
}
public static function putBucket($bucket, $acl = self::ACL_PRIVATE, $metaHeaders=array())
{
$rest = new StorageRequest('PUT', self::$__account, $bucket, '', self::$endpoint);
if ($acl) {
$rest->setSwsHeader('x-sws-container-read', $acl);
}
foreach ($metaHeaders as $k => $v) {
$rest->setSwsHeader('x-sws-container-meta-'.$k, $v);
}
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 201 && $rest->code != 202 && $rest->code !== 204))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::putBucket({$bucket}, {$acl}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function getBucketInfo($bucket, $returnInfo=True) {
$rest = new StorageRequest('HEAD', self::$__account, $bucket, '', self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 204 && $rest->code !== 404))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::getBucketInfo({$bucket}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->code !== 404 ? $returnInfo ? $rest->headers : true : false;
}
public static function postBucket($bucket, $acl = null, $metaHeaders=array())
{
$rest = new StorageRequest('POST', self::$__account, $bucket, '', self::$endpoint);
if ($acl) {
$rest->setSwsHeader('x-sws-container-read', $acl);
}
foreach ($metaHeaders as $k => $v) {
$rest->setSwsHeader('x-sws-container-meta-'.$k, $v);
}
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 201 && $rest->code !== 204))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::postBucket({$bucket}, {$acl}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function deleteBucket($bucket)
{
$rest = new StorageRequest('DELETE', self::$__account, $bucket, '', self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 204)
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::deleteBucket({$bucket}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function inputFile($file, $md5sum = false)
{
if (!file_exists($file) || !is_file($file) || !is_readable($file))
{
self::__triggerError('Storage::inputFile(): Unable to open input file: '.$file, __FILE__, __LINE__);
return false;
}
clearstatcache(false, $file);
return array('file' => $file, 'size' => filesize($file), 'md5sum' => $md5sum !== false ?
(is_string($md5sum) ? $md5sum : base64_encode(md5_file($file, true))) : '');
}
public static function inputResource(&$resource, $bufferSize = false, $md5sum = '')
{
if (!is_resource($resource) || (int)$bufferSize < 0)
{
self::__triggerError('Storage::inputResource(): Invalid resource or buffer size', __FILE__, __LINE__);
return false;
}
if ($bufferSize === false)
{
if (fseek($resource, 0, SEEK_END) < 0 || ($bufferSize = ftell($resource)) === false)
{
self::__triggerError('Storage::inputResource(): Unable to obtain resource size', __FILE__, __LINE__);
return false;
}
fseek($resource, 0);
}
$input = array('size' => $bufferSize, 'md5sum' => $md5sum);
$input['fp'] =& $resource;
return $input;
}
public static function putObject($input, $bucket, $uri, $metaHeaders = array(), $requestHeaders = array())
{
if ($input === false) return false;
$rest = new StorageRequest('PUT', self::$__account, $bucket, $uri, self::$endpoint);
if (!is_array($input)) $input = array(
'data' => $input, 'size' => strlen($input),
'md5sum' => base64_encode(md5($input, true))
);
if (isset($input['fp']))
$rest->fp =& $input['fp'];
elseif (isset($input['file']))
$rest->fp = @fopen($input['file'], 'rb');
elseif (isset($input['data']))
$rest->data = $input['data'];
if (isset($input['size']) && $input['size'] >= 0)
$rest->size = $input['size'];
else {
if (isset($input['file'])) {
clearstatcache(false, $input['file']);
$rest->size = filesize($input['file']);
}
elseif (isset($input['data']))
$rest->size = strlen($input['data']);
}
if (is_array($requestHeaders))
foreach ($requestHeaders as $h => $v)
strpos($h, 'x-') === 0 ? $rest->setSwsHeader($h, $v) : $rest->setHeader($h, $v);
if (is_string($requestHeaders))
$rest->setHeader('content-type', $requestHeaders);
else if (!isset($requestHeaders['content-type']) && !isset($requestHeaders['Content-Type']))
$rest->setHeader('content-type', self::__getMIMEType($uri));
if ($rest->size >= 0 && ($rest->fp !== false || $rest->data !== false))
{
if (isset($input['md5sum'])) $rest->setHeader('Content-MD5', $input['md5sum']);
foreach ($metaHeaders as $h => $v) $rest->setSwsHeader('x-sws-object-meta-'.$h, $v);
$rest->getResponse();
} else
$rest->response->error = array('code' => 0, 'message' => 'Missing input parameters');
if ($rest->response->error === false && $rest->response->code !== 201)
$rest->response->error = array('code' => $rest->response->code, 'message' => 'Unexpected HTTP status');
if ($rest->response->error !== false)
{
self::__triggerError(sprintf("Storage::putObject(): [%s] %s",
$rest->response->error['code'], $rest->response->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function putObjectFile($file, $bucket, $uri, $metaHeaders = array(), $contentType = null)
{
return self::putObject(self::inputFile($file), $bucket, $uri, $metaHeaders, $contentType);
}
public static function putObjectString($string, $bucket, $uri, $metaHeaders = array(), $contentType = false)
{
return self::putObject($string, $bucket, $uri, $metaHeaders, $contentType);
}
public static function postObject($bucket, $uri, $metaHeaders=array(), $requestHeaders=Array())
{
$rest = new StorageRequest('POST', self::$__account, $bucket, $uri, self::$endpoint);
foreach ($metaHeaders as $k => $v) {
$rest->setSwsHeader('x-sws-object-meta-'.$k, $v);
}
foreach ($requestHeaders as $k => $v) {
$rest->setHeader('x-sws-object-meta-'.$k, $v);
}
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 202))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::postObject({$bucket}, {$uri}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function getObject($bucket, $uri, $saveTo = false)
{
$rest = new StorageRequest('GET', self::$__account, $bucket, $uri, self::$endpoint);
if ($saveTo !== false)
{
if (is_resource($saveTo))
$rest->fp =& $saveTo;
else
if (($rest->fp = @fopen($saveTo, 'wb')) !== false)
$rest->file = realpath($saveTo);
else
$rest->response->error = array('code' => 0, 'message' => 'Unable to open save file for writing: '.$saveTo);
}
if ($rest->response->error === false) $rest->getResponse();
if ($rest->response->error === false && $rest->response->code !== 200)
$rest->response->error = array('code' => $rest->response->code, 'message' => 'Unexpected HTTP status');
if ($rest->response->error !== false)
{
self::__triggerError(sprintf("Storage::getObject({$bucket}, {$uri}): [%s] %s",
$rest->response->error['code'], $rest->response->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->response;
}
public static function getObjectInfo($bucket, $uri, $returnInfo = true)
{
$rest = new StorageRequest('HEAD', self::$__account, $bucket, $uri, self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 200 && $rest->code !== 404))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::getObjectInfo({$bucket}, {$uri}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->code == 200 ? $returnInfo ? $rest->headers : true : false;
}
public static function copyObject($srcBucket, $srcUri, $bucket, $uri, $metaHeaders = array(), $requestHeaders = array())
{
$rest = new StorageRequest('PUT', self::$__account, $bucket, $uri, self::$endpoint);
$rest->setHeader('Content-Length', 0);
foreach ($requestHeaders as $h => $v)
strpos($h, 'x-sws-') === 0 ? $rest->setSwsHeader($h, $v) : $rest->setHeader($h, $v);
foreach ($metaHeaders as $h => $v) $rest->setSwsHeader('x-sws-object-meta-'.$h, $v);
$rest->setSwsHeader('x-sws-copy-from', sprintf('/%s/%s', $srcBucket, rawurlencode($srcUri)));
$rest->setSwsHeader('x-sws-newest', '1');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 201)
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::copyObject({$srcBucket}, {$srcUri}, {$bucket}, {$uri}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return isset($rest->headers['time'], $rest->headers['hash']) ? $rest->headers : false;
}
public static function setAccessControlPolicy($bucket, $uri = '', $acp = array())
{
}
public static function deleteObject($bucket, $uri)
{
$rest = new StorageRequest('DELETE', self::$__account, $bucket, $uri, self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 204)
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::deleteObject(): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function getUrl($bucket, $uri)
{
return "http://" . self::$__account . '-' . $bucket . '.stor.sinaapp.com/' . self::__encodeURI($uri);
}
public static function getTempUrl($bucket, $uri, $method, $seconds)
{
$expires = (int)(time() + $seconds);
$path = "/v1/SAE_" . self::$__account . "/" . $bucket . "/" . $uri;
$hmac_body = $method . "\n" . $expires . "\n" . $path;
$sig = hash_hmac('sha1', $hmac_body, self::$__secretKey);
$parameter = http_build_query(array("temp_url_sig" => $sig, "temp_url_expires" => $expires));
return "http://" . self::$__account . '-' . $bucket . '.stor.sinaapp.com/' . self::__encodeURI($uri) . "?" . $parameter;
}
public static function getCdnUrl($bucket, $uri)
{
return "http://". self::$__account . '.sae.sinacn.com/.app-stor/' . $bucket . '/' . self::__encodeURI($uri);
}
public static function postAccount($metaHeaders=array())
{
$rest = new StorageRequest('POST', self::$__account, '', '', self::$endpoint);
foreach ($metaHeaders as $k => $v) {
$rest->setSwsHeader('x-sws-account-meta-'.$k, $v);
}
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 201 && $rest->code !== 204))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::postAccount({$bucket}, {$acl}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
public static function getAccountInfo() {
$rest = new StorageRequest('HEAD', self::$__account, '', '', self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 204 && $rest->code !== 404))
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("Storage::getAccountInfo({$bucket}): [%s] %s",
$rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->code !== 404 ? $rest->headers : false;
}
private static function __getMIMEType(&$file)
{
static $exts = array(
'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'gif' => 'image/gif',
'png' => 'image/png', 'ico' => 'image/x-icon', 'pdf' => 'application/pdf',
'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml', 'swf' => 'application/x-shockwave-flash',
'zip' => 'application/zip', 'gz' => 'application/x-gzip',
'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2', 'rar' => 'application/x-rar-compressed',
'exe' => 'application/x-msdownload', 'msi' => 'application/x-msdownload',
'cab' => 'application/vnd.ms-cab-compressed', 'txt' => 'text/plain',
'asc' => 'text/plain', 'htm' => 'text/html', 'html' => 'text/html',
'css' => 'text/css', 'js' => 'text/javascript',
'xml' => 'text/xml', 'xsl' => 'application/xsl+xml',
'ogg' => 'application/ogg', 'mp3' => 'audio/mpeg', 'wav' => 'audio/x-wav',
'avi' => 'video/x-msvideo', 'mpg' => 'video/mpeg', 'mpeg' => 'video/mpeg',
'mov' => 'video/quicktime', 'flv' => 'video/x-flv', 'php' => 'text/x-php'
);
$ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
if (isset($exts[$ext])) return $exts[$ext];
if (extension_loaded('fileinfo') && isset($_ENV['MAGIC']) &&
($finfo = finfo_open(FILEINFO_MIME, $_ENV['MAGIC'])) !== false)
{
if (($type = finfo_file($finfo, $file)) !== false)
{
$type = explode(' ', str_replace('; charset=', ';charset=', $type));
$type = array_pop($type);
$type = explode(';', $type);
$type = trim(array_shift($type));
}
finfo_close($finfo);
if ($type !== false && strlen($type) > 0) return $type;
}
return 'application/octet-stream';
}
private static function __encodeURI($uri)
{
return str_replace('%2F', '/', rawurlencode($uri));
}
public static function __getTime()
{
return time() + self::$__timeOffset;
}
public static function __getSignature($string)
{
return 'SWS '.self::$__accessKey.':'.self::__getHash($string);
}
private static function __getHash($string)
{
return base64_encode(extension_loaded('hash') ?
hash_hmac('sha1', $string, self::$__secretKey, true) : pack('H*', sha1(
(str_pad(self::$__secretKey, 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
pack('H*', sha1((str_pad(self::$__secretKey, 64, chr(0x00)) ^
(str_repeat(chr(0x36), 64))) . $string)))));
}
}
final class StorageRequest
{
private $endpoint;
private $verb;
private $uri;
private $parameters = array();
private $swsHeaders = array();
private $headers = array(
'Host' => '', 'Date' => '', 'Content-MD5' => ''
);
public $fp = false;
public $size = 0;
public $data = false;
public $response;
function __construct($verb, $account, $bucket = '', $uri = '', $endpoint = DEFAULT_STORAGE_ENDPOINT)
{
$this->endpoint = $endpoint;
$this->verb = $verb;
$this->uri = "/v1/SAE_" . rawurlencode($account);
$this->resource = "/$account";
if ($bucket !== '') {
$this->uri = $this->uri . '/' . rawurlencode($bucket);
$this->resource = $this->resource . '/'. $bucket;
}
if ($uri !== '') {
$this->uri .= '/'.str_replace('%2F', '/', rawurlencode($uri));
$this->resource = $this->resource . '/'. str_replace(' ', '%20', $uri);
}
$this->headers['Host'] = $this->endpoint;
$this->headers['Date'] = gmdate('D, d M Y H:i:s T');
$this->response = new \STDClass;
$this->response->error = false;
$this->response->body = null;
$this->response->headers = array();
}
public function setParameter($key, $value)
{
$this->parameters[$key] = $value;
}
public function setHeader($key, $value)
{
$this->headers[$key] = $value;
}
public function setSwsHeader($key, $value)
{
$this->swsHeaders[$key] = $value;
}
public function getResponse()
{
$query = '';
if (sizeof($this->parameters) > 0)
{
$query = substr($this->uri, -1) !== '?' ? '?' : '&';
foreach ($this->parameters as $var => $value)
if ($value == null || $value == '') $query .= $var.'&';
else $query .= $var.'='.rawurlencode($value).'&';
$query = substr($query, 0, -1);
$this->uri .= $query;
$this->resource .= $query;
}
$url = (Storage::$useSSL ? 'https://' : 'http://') . ($this->headers['Host'] !== '' ? $this->headers['Host'] : $this->endpoint) . $this->uri;
$curl = curl_init();
curl_setopt($curl, CURLOPT_USERAGENT, 'Storage/php');
if (Storage::$useSSL)
{
curl_setopt($curl, CURLOPT_SSLVERSION, Storage::$useSSLVersion);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, Storage::$useSSLValidation ? 2 : 0);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, Storage::$useSSLValidation ? 1 : 0);
}
curl_setopt($curl, CURLOPT_URL, $url);
if (Storage::$proxy != null && isset(Storage::$proxy['host']))
{
curl_setopt($curl, CURLOPT_PROXY, Storage::$proxy['host']);
curl_setopt($curl, CURLOPT_PROXYTYPE, Storage::$proxy['type']);
if (isset(Storage::$proxy['user'], Storage::$proxy['pass']) && Storage::$proxy['user'] != null && Storage::$proxy['pass'] != null)
curl_setopt($curl, CURLOPT_PROXYUSERPWD, sprintf('%s:%s', Storage::$proxy['user'], Storage::$proxy['pass']));
}
$headers = array(); $sae = array();
foreach ($this->swsHeaders as $header => $value)
if (strlen($value) > 0) $headers[] = $header.': '.$value;
foreach ($this->headers as $header => $value)
if (strlen($value) > 0) $headers[] = $header.': '.$value;
foreach ($this->swsHeaders as $header => $value)
if (strlen($value) > 0) $sae[] = strtolower($header).':'.$value;
if (sizeof($sae) > 0)
{
usort($sae, array(&$this, '__sortMetaHeadersCmp'));
$sae= "\n".implode("\n", $sae);
} else $sae = '';
if (Storage::hasAuth())
{
$headers[] = 'Authorization: ' . Storage::__getSignature(
$this->verb."\n".
$this->headers['Date'].$sae."\n".
$this->resource
);
}
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, false);
curl_setopt($curl, CURLOPT_WRITEFUNCTION, array(&$this, '__responseWriteCallback'));
curl_setopt($curl, CURLOPT_HEADERFUNCTION, array(&$this, '__responseHeaderCallback'));
switch ($this->verb)
{
case 'GET': break;
case 'PUT': case 'POST':
if ($this->fp !== false)
{
curl_setopt($curl, CURLOPT_PUT, true);
curl_setopt($curl, CURLOPT_INFILE, $this->fp);
if ($this->size >= 0)
curl_setopt($curl, CURLOPT_INFILESIZE, $this->size);
}
elseif ($this->data !== false)
{
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb);
curl_setopt($curl, CURLOPT_POSTFIELDS, $this->data);
}
else
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb);
break;
case 'HEAD':
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'HEAD');
curl_setopt($curl, CURLOPT_NOBODY, true);
break;
case 'DELETE':
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
break;
default: break;
}
if (curl_exec($curl))
$this->response->code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
else
$this->response->error = array(
'code' => curl_errno($curl),
'message' => curl_error($curl),
);
@curl_close($curl);
if ($this->fp !== false && is_resource($this->fp)) fclose($this->fp);
return $this->response;
}
private function __sortMetaHeadersCmp($a, $b)
{
$lenA = strpos($a, ':');
$lenB = strpos($b, ':');
$minLen = min($lenA, $lenB);
$ncmp = strncmp($a, $b, $minLen);
if ($lenA == $lenB) return $ncmp;
if (0 == $ncmp) return $lenA < $lenB ? -1 : 1;
return $ncmp;
}
private function __responseWriteCallback(&$curl, &$data)
{
if (in_array($this->response->code, array(200, 206)) && $this->fp !== false)
return fwrite($this->fp, $data);
else
$this->response->body .= $data;
return strlen($data);
}
private function __responseHeaderCallback($curl, $data)
{
if (($strlen = strlen($data)) <= 2) return $strlen;
if (substr($data, 0, 4) == 'HTTP')
$this->response->code = (int)substr($data, 9, 3);
else
{
$data = trim($data);
if (strpos($data, ': ') === false) return $strlen;
list($header, $value) = explode(': ', $data, 2);
if ($header == 'Last-Modified')
$this->response->headers['time'] = strtotime($value);
elseif ($header == 'Date')
$this->response->headers['date'] = strtotime($value);
elseif ($header == 'Content-Length')
$this->response->headers['size'] = (int)$value;
elseif ($header == 'Content-Type')
$this->response->headers['type'] = $value;
elseif ($header == 'ETag' || $header == 'Etag')
$this->response->headers['hash'] = $value{0} == '"' ? substr($value, 1, -1) : $value;
elseif (preg_match('/^x-sws-(?:account|container|object)-read$/i', $header))
$this->response->headers['acl'] = $value;
elseif (preg_match('/^x-sws-(?:account|container|object)-meta-(.*)$/i', $header))
$this->response->headers[strtolower($header)] = $value;
elseif (preg_match('/^x-sws-(?:account|container|object)-(.*)$/i', $header, $m))
$this->response->headers[strtolower($m[1])] = $value;
}
return $strlen;
}
}
class StorageException extends \Exception {
function __construct($message, $file, $line, $code = 0)
{
parent::__construct($message, $code);
$this->file = $file;
$this->line = $line;
}
}
final class StorageWrapper extends Storage {
private $position = 0, $mode = '', $buffer;
public function url_stat($path, $flags) {
self::__getURL($path);
return (($info = self::getObjectInfo($this->url['host'], $this->url['path'])) !== false) ?
array('size' => $info['size'], 'mtime' => $info['time'], 'ctime' => $info['time']) : false;
}
public function unlink($path) {
self::__getURL($path);
return self::deleteObject($this->url['host'], $this->url['path']);
}
public function mkdir($path, $mode, $options) {
self::__getURL($path);
return self::putBucket($this->url['host'], self::__translateMode($mode));
}
public function rmdir($path) {
self::__getURL($path);
return self::deleteBucket($this->url['host']);
}
public function dir_opendir($path, $options) {
self::__getURL($path);
if (($contents = self::getBucket($this->url['host'], $this->url['path'])) !== false) {
$pathlen = strlen($this->url['path']);
if (substr($this->url['path'], -1) == '/') $pathlen++;
$this->buffer = array();
foreach ($contents as $file) {
if ($pathlen > 0) $file['name'] = substr($file['name'], $pathlen);
$this->buffer[] = $file;
}
return true;
}
return false;
}
public function dir_readdir() {
return (isset($this->buffer[$this->position])) ? $this->buffer[$this->position++]['name'] : false;
}
public function dir_rewinddir() {
$this->position = 0;
}
public function dir_closedir() {
$this->position = 0;
unset($this->buffer);
}
public function stream_close() {
if ($this->mode == 'w') {
self::putObject($this->buffer, $this->url['host'], $this->url['path']);
}
$this->position = 0;
unset($this->buffer);
}
public function stream_stat() {
if (is_object($this->buffer) && isset($this->buffer->headers))
return array(
'size' => $this->buffer->headers['size'],
'mtime' => $this->buffer->headers['time'],
'ctime' => $this->buffer->headers['time']
);
elseif (($info = self::getObjectInfo($this->url['host'], $this->url['path'])) !== false)
return array('size' => $info['size'], 'mtime' => $info['time'], 'ctime' => $info['time']);
return false;
}
public function stream_flush() {
$this->position = 0;
return true;
}
public function stream_open($path, $mode, $options, &$opened_path) {
if (!in_array($mode, array('r', 'rb', 'w', 'wb'))) return false;
$this->mode = substr($mode, 0, 1);
self::__getURL($path);
$this->position = 0;
if ($this->mode == 'r') {
if (($this->buffer = self::getObject($this->url['host'], $this->url['path'])) !== false) {
if (is_object($this->buffer->body)) $this->buffer->body = (string)$this->buffer->body;
} else return false;
}
return true;
}
public function stream_read($count) {
if ($this->mode !== 'r' && $this->buffer !== false) return false;
$data = substr(is_object($this->buffer) ? $this->buffer->body : $this->buffer, $this->position, $count);
$this->position += strlen($data);
return $data;
}
public function stream_write($data) {
if ($this->mode !== 'w') return 0;
$left = substr($this->buffer, 0, $this->position);
$right = substr($this->buffer, $this->position + strlen($data));
$this->buffer = $left . $data . $right;
$this->position += strlen($data);
return strlen($data);
}
public function stream_tell() {
return $this->position;
}
public function stream_eof() {
return $this->position >= strlen(is_object($this->buffer) ? $this->buffer->body : $this->buffer);
}
public function stream_seek($offset, $whence) {
switch ($whence) {
case SEEK_SET:
if ($offset < strlen($this->buffer->body) && $offset >= 0) {
$this->position = $offset;
return true;
} else return false;
break;
case SEEK_CUR:
if ($offset >= 0) {
$this->position += $offset;
return true;
} else return false;
break;
case SEEK_END:
$bytes = strlen($this->buffer->body);
if ($bytes + $offset >= 0) {
$this->position = $bytes + $offset;
return true;
} else return false;
break;
default: return false;
}
}
private function __getURL($path) {
$this->url = parse_url($path);
if (!isset($this->url['scheme']) || $this->url['scheme'] !== 'storage') return $this->url;
if (isset($this->url['user'], $this->url['pass'])) self::setAuth($this->url['user'], $this->url['pass']);
$this->url['path'] = isset($this->url['path']) ? substr($this->url['path'], 1) : '';
}
private function __translateMode($mode) {
$acl = self::ACL_PRIVATE;
if (($mode & 0x0020) || ($mode & 0x0004))
$acl = self::ACL_PUBLIC_READ;
if (($mode & 0x0010) || ($mode & 0x0008) || ($mode & 0x0002) || ($mode & 0x0001))
$acl = self::ACL_PUBLIC_READ;
return $acl;
}
} stream_wrapper_register('storage', 'sinacloud\sae\StorageWrapper');