public static function sum($filename)
{
$fhandler = fopen($filename, 'r');
$err = error_get_last();
if ($err !== null) {
return array(null, $err);
}
$fstat = fstat($fhandler);
$fsize = $fstat['size'];
if ($fsize == 0) {
fclose($fhandler);
return array('Fto5o-5ea0sNMlW_75VgGJCv2AcJ', null);
}
$blockCnt = self::blockCount($fsize);
$sha1Buf = array();
if ($blockCnt <= 1) {
array_push($sha1Buf, 0x16);
$fdata = fread($fhandler, Config::BLOCK_SIZE);
if ($err !== null) {
fclose($fhandler);
return array(null, $err);
}
list($sha1Code, ) = calSha1($fdata);
$sha1Buf = array_merge($sha1Buf, $sha1Code);
} else {
array_push($sha1Buf, 0x96);
$sha1BlockBuf = array();
for ($i = 0; $i < $blockCnt; $i++) {
$fdata = fread($fhandler, Config::BLOCK_SIZE);
list($sha1Code, $err) = self::calcSha1($fdata);
if ($err !== null) {
fclose($fhandler);
return array(null, $err);
}
$sha1BlockBuf = array_merge($sha1BlockBuf, $sha1Code);
}
$tmpData = self::packArray('C*', $sha1BlockBuf);
list($sha1Final, ) = self::calcSha1($tmpData);
$sha1Buf = array_merge($sha1Buf, $sha1Final);
}
$etag = Functions::base64_urlSafeEncode(self::packArray('C*', $sha1Buf));
return array($etag, null);
}
/**
* 从指定URL抓取资源，并将该资源存储到指定空间中
*
* @param $url 指定的URL
* @param $bucket 目标资源空间
* @param $key 目标资源文件名
*
* @return array 包含已拉取的文件信息。
* 成功时： [
* [
* "hash" => "<Hash string>",
* "key" => "<Key string>"
* ],
* null
* ]
*
* 失败时： [
* null,
* ext/qiniu/Http/Error
* ]
* @link http://developer.qiniu.com/docs/v6/api/reference/rs/fetch.html
*/
public function fetch($url, $bucket, $key)
{
$resource = Functions::base64_urlSafeEncode($url);
$to = Functions::entry($bucket, $key);
$path = '/fetch/' . $resource . '/to/' . $to;
return $this->ioPost($path);
}
public function signWithData($data)
{
$data = Functions::base64_urlSafeEncode($data);
return $this->sign($data) . ':' . $data;
}
private function fileUrl()
{
$url = $this->host . '/mkfile/' . $this->size;
$url .= '/mimeType/' . Functions::base64_urlSafeEncode($this->mime);
if ($this->key != null) {
$url .= '/key/' . Functions::base64_urlSafeEncode($this->key);
}
if (!empty($this->params)) {
foreach ($this->params as $key => $value) {
$val = Functions::base64_urlSafeEncode($value);
$url .= "/{$key}/{$val}";
}
}
return $url;
}
