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<?php |
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namespace Qiniu\Storage; |
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use Qiniu\Config; |
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use Qiniu\Http\Client; |
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use Qiniu\Http\Error; |
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use Qiniu\Enum\SplitUploadVersion; |
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use Qiniu\Http\RequestOptions; |
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/** |
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* 断点续上传类, 该类主要实现了断点续上传中的分块上传, |
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* 以及相应地创建块和创建文件过程. |
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* |
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* @link http://developer.qiniu.com/docs/v6/api/reference/up/mkblk.html |
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* @link http://developer.qiniu.com/docs/v6/api/reference/up/mkfile.html |
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*/ |
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final class ResumeUploader |
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{ |
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private $upToken; |
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private $key; |
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private $inputStream; |
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private $size; |
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private $params; |
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private $mime; |
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private $contexts; |
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private $finishedEtags; |
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private $host; |
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private $bucket; |
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private $currentUrl; |
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private $config; |
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private $resumeRecordFile; |
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private $version; |
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private $partSize; |
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/** |
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* @var RequestOptions |
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*/ |
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private $reqOpt; |
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/** |
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* 上传二进制流到七牛 |
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* |
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* @param string $upToken 上传凭证 |
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* @param string $key 上传文件名 |
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* @param resource $inputStream 上传二进制流 |
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* @param int $size 上传流的大小 |
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* @param array<string, string> $params 自定义变量 |
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* @param string $mime 上传数据的mimeType |
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* @param Config $config |
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* @param string $resumeRecordFile 断点续传的已上传的部分信息记录文件 |
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* @param string $version 分片上传版本 目前支持v1/v2版本 默认v1 |
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* @param int $partSize 分片上传v2字段 默认大小为4MB 分片大小范围为1 MB - 1 GB |
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* @param RequestOptions $reqOpt 分片上传v2字段 默认大小为4MB 分片大小范围为1 MB - 1 GB |
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* @throws \Exception |
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* |
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* @link http://developer.qiniu.com/docs/v6/api/overview/up/response/vars.html#xvar |
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*/ |
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public function __construct( |
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$upToken, |
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$key, |
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$inputStream, |
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$size, |
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$params, |
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$mime, |
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$config, |
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$resumeRecordFile = null, |
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$version = 'v1', |
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$partSize = config::BLOCK_SIZE, |
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$reqOpt = null |
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) { |
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$this->upToken = $upToken; |
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$this->key = $key; |
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$this->inputStream = $inputStream; |
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$this->size = $size; |
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$this->params = $params; |
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$this->mime = $mime; |
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$this->contexts = array(); |
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$this->finishedEtags = array("etags" => array(), "uploadId" => "", "expiredAt" => 0, "uploaded" => 0); |
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$this->config = $config; |
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$this->resumeRecordFile = $resumeRecordFile ? $resumeRecordFile : null; |
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$this->partSize = $partSize ? $partSize : config::BLOCK_SIZE; |
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if ($reqOpt === null) { |
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$reqOpt = new RequestOptions(); |
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} |
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$this->reqOpt = $reqOpt; |
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try { |
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$this->version = SplitUploadVersion::from($version ? $version : 'v1'); |
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} catch (\Exception $e) { |
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throw new \Exception("only support v1/v2 now!", 0, $e); |
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} |
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list($accessKey, $bucket, $err) = \Qiniu\explodeUpToken($upToken); |
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$this->bucket = $bucket; |
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if ($err != null) { |
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return array(null, $err); |
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} |
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list($upHost, $err) = $config->getUpHostV2($accessKey, $bucket); |
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if ($err != null) { |
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throw new \Exception($err->message(), 1); |
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} |
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$this->host = $upHost; |
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} |
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/** |
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* 上传操作 |
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* @param $fname string 文件名 |
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* |
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* @throws \Exception |
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*/ |
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public function upload($fname) |
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{ |
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$blkputRets = null; |
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// get upload record from resumeRecordFile |
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if ($this->resumeRecordFile != null) { |
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if (file_exists($this->resumeRecordFile)) { |
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$stream = fopen($this->resumeRecordFile, 'r'); |
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if ($stream) { |
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$streamLen = filesize($this->resumeRecordFile); |
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if ($streamLen > 0) { |
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$contents = fread($stream, $streamLen); |
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fclose($stream); |
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if ($contents) { |
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$blkputRets = json_decode($contents, true); |
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if ($blkputRets === null) { |
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error_log("resumeFile contents decode error"); |
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} |
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} else { |
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error_log("read resumeFile failed"); |
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} |
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} else { |
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error_log("resumeFile is empty"); |
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} |
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} else { |
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error_log("resumeFile open failed"); |
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} |
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} else { |
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error_log("resumeFile not exists"); |
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} |
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} |
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if ($this->version == SplitUploadVersion::V1) { |
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return $this->uploadV1($fname, $blkputRets); |
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} elseif ($this->version == SplitUploadVersion::V2) { |
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return $this->uploadV2($fname, $blkputRets); |
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} else { |
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throw new \Exception("only support v1/v2 now!"); |
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} |
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} |
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/** |
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* @param string $fname 文件名 |
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* @param null|array $blkputRets |
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* |
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* @throws \Exception |
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*/ |
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private function uploadV1($fname, $blkputRets = null) |
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{ |
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// 尝试恢复恢复已上传的数据 |
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$isResumeUpload = $blkputRets !== null; |
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$this->contexts = array(); |
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if ($blkputRets) { |
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if (isset($blkputRets['contexts']) && isset($blkputRets['uploaded']) && |
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is_array($blkputRets['contexts']) && is_int($blkputRets['uploaded']) |
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) { |
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$this->contexts = array_map(function ($ctx) { |
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if (is_array($ctx)) { |
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return $ctx; |
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} else { |
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// 兼容旧版本(旧版本没有存储 expireAt) |
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return array( |
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"ctx" => $ctx, |
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"expiredAt" => 0, |
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); |
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} |
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}, $blkputRets['contexts']); |
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} |
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} |
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// 上传分片 |
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$uploaded = 0; |
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while ($uploaded < $this->size) { |
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$blockSize = $this->blockSize($uploaded); |
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$blockIndex = $uploaded / $this->partSize; |
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if (!is_int($blockIndex)) { |
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throw new \Exception("v1 part size changed"); |
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} |
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// 如果已上传该分片且没有过期 |
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if (isset($this->contexts[$blockIndex]) && $this->contexts[$blockIndex]["expiredAt"] >= time()) { |
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$uploaded += $blockSize; |
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fseek($this->inputStream, $blockSize, SEEK_CUR); |
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continue; |
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} |
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$data = fread($this->inputStream, $blockSize); |
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if ($data === false) { |
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throw new \Exception("file read failed", 1); |
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} |
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$crc = \Qiniu\crc32_data($data); |
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$response = $this->makeBlock($data, $blockSize); |
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$ret = null; |
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if ($response->ok() && $response->json() != null) { |
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$ret = $response->json(); |
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} |
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if ($response->statusCode < 0) { |
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list($accessKey, $bucket, $err) = \Qiniu\explodeUpToken($this->upToken); |
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if ($err != null) { |
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return array(null, $err); |
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} |
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list($upHostBackup, $err) = $this->config->getUpBackupHostV2($accessKey, $bucket); |
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if ($err != null) { |
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return array(null, $err); |
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} |
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$this->host = $upHostBackup; |
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} |
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if ($response->needRetry() || !isset($ret['crc32']) || $crc != $ret['crc32']) { |
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$response = $this->makeBlock($data, $blockSize); |
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$ret = $response->json(); |
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} |
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if (!$response->ok() || !isset($ret['crc32']) || $crc != $ret['crc32']) { |
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return array(null, new Error($this->currentUrl, $response)); |
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} |
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// 如果可以在已上传取到说明是过期分片直接修改已上传信息,否则是新的片添加到已上传分片尾部 |
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if (isset($this->contexts[$blockIndex])) { |
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$this->contexts[$blockIndex] = array( |
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'ctx' => $ret['ctx'], |
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'expiredAt' => $ret['expired_at'], |
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); |
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} else { |
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array_push($this->contexts, array( |
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'ctx' => $ret['ctx'], |
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'expiredAt' => $ret['expired_at'], |
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)); |
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} |
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$uploaded += $blockSize; |
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// 记录断点 |
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if ($this->resumeRecordFile !== null) { |
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$recordData = array( |
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'contexts' => $this->contexts, |
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'uploaded' => $uploaded |
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); |
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$recordData = json_encode($recordData); |
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if ($recordData) { |
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$isWritten = file_put_contents($this->resumeRecordFile, $recordData); |
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if ($isWritten === false) { |
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error_log("write resumeRecordFile failed"); |
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} |
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} else { |
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error_log('resumeRecordData encode failed'); |
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} |
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} |
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} |
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// 完成上传 |
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list($ret, $err) = $this->makeFile($fname); |
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if ($err !== null) { |
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$response = $err->getResponse(); |
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if ($isResumeUpload && $response->statusCode === 701) { |
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fseek($this->inputStream, 0); |
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return $this->uploadV1($fname); |
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} |
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} |
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return array($ret, $err); |
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} |
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/** |
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* @param string $fname 文件名 |
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* @param null|array $blkputRets |
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* |
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* @throws \Exception |
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*/ |
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private function uploadV2($fname, $blkputRets = null) |
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{ |
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$uploaded = 0; |
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$partNumber = 1; |
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$encodedObjectName = $this->key ? \Qiniu\base64_urlSafeEncode($this->key) : '~'; |
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$isResumeUpload = $blkputRets !== null; |
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if ($blkputRets) { |
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if (isset($blkputRets["etags"]) && isset($blkputRets["uploadId"]) && |
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isset($blkputRets["expiredAt"]) && $blkputRets["expiredAt"] > time() && |
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$blkputRets["uploaded"] > 0 && is_array($blkputRets["etags"]) && |
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is_string($blkputRets["uploadId"]) && is_int($blkputRets["expiredAt"]) |
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) { |
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$this->finishedEtags['etags'] = $blkputRets["etags"]; |
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$this->finishedEtags["uploadId"] = $blkputRets["uploadId"]; |
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$this->finishedEtags["expiredAt"] = $blkputRets["expiredAt"]; |
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$this->finishedEtags["uploaded"] = $blkputRets["uploaded"]; |
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$uploaded = $blkputRets["uploaded"]; |
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$partNumber = count($this->finishedEtags["etags"]) + 1; |
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} else { |
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$this->makeInitReq($encodedObjectName); |
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} |
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} else { |
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$this->makeInitReq($encodedObjectName); |
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} |
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fseek($this->inputStream, $uploaded); |
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while ($uploaded < $this->size) { |
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$blockSize = $this->blockSize($uploaded); |
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$data = fread($this->inputStream, $blockSize); |
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if ($data === false) { |
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throw new \Exception("file read failed", 1); |
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} |
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$md5 = md5($data); |
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$response = $this->uploadPart( |
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$data, |
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$partNumber, |
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$this->finishedEtags["uploadId"], |
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$encodedObjectName, |
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$md5 |
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); |
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$ret = null; |
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if ($response->ok() && $response->json() != null) { |
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$ret = $response->json(); |
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} |
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if ($response->statusCode < 0) { |
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list($accessKey, $bucket, $err) = \Qiniu\explodeUpToken($this->upToken); |
329
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if ($err != null) { |
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return array(null, $err); |
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} |
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list($upHostBackup, $err) = $this->config->getUpBackupHostV2($accessKey, $bucket); |
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if ($err != null) { |
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return array(null, $err); |
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} |
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$this->host = $upHostBackup; |
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} |
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if ($response->needRetry() || !isset($ret['md5']) || $md5 != $ret['md5']) { |
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|
$response = $this->uploadPart( |
341
|
|
|
$data, |
342
|
|
|
$partNumber, |
343
|
|
|
$this->finishedEtags["uploadId"], |
344
|
|
|
$encodedObjectName, |
345
|
|
|
$md5 |
346
|
|
|
); |
347
|
|
|
$ret = $response->json(); |
348
|
|
|
} |
349
|
|
|
if ($isResumeUpload && $response->statusCode === 612) { |
350
|
|
|
return $this->uploadV2($fname); |
351
|
|
|
} |
352
|
|
|
if (!$response->ok() || !isset($ret['md5']) || $md5 != $ret['md5']) { |
353
|
|
|
return array(null, new Error($this->currentUrl, $response)); |
354
|
|
|
} |
355
|
|
|
$blockStatus = array('etag' => $ret['etag'], 'partNumber' => $partNumber); |
356
|
|
|
array_push($this->finishedEtags['etags'], $blockStatus); |
357
|
|
|
$partNumber += 1; |
358
|
|
|
|
359
|
|
|
$uploaded += $blockSize; |
360
|
|
|
$this->finishedEtags['uploaded'] = $uploaded; |
361
|
|
|
|
362
|
|
|
if ($this->resumeRecordFile !== null) { |
363
|
|
|
$recordData = json_encode($this->finishedEtags); |
364
|
|
|
if ($recordData) { |
365
|
|
|
$isWritten = file_put_contents($this->resumeRecordFile, $recordData); |
366
|
|
|
if ($isWritten === false) { |
367
|
|
|
error_log("write resumeRecordFile failed"); |
368
|
|
|
} |
369
|
|
|
} else { |
370
|
|
|
error_log('resumeRecordData encode failed'); |
371
|
|
|
} |
372
|
|
|
} |
373
|
|
|
} |
374
|
|
|
|
375
|
|
|
list($ret, $err) = $this->completeParts($fname, $this->finishedEtags['uploadId'], $encodedObjectName); |
376
|
|
|
if ($err !== null) { |
377
|
|
|
$response = $err->getResponse(); |
378
|
|
|
if ($isResumeUpload && $response->statusCode === 612) { |
379
|
|
|
return $this->uploadV2($fname); |
380
|
|
|
} |
381
|
|
|
} |
382
|
|
|
return array($ret, $err); |
383
|
|
|
} |
384
|
|
|
|
385
|
|
|
/** |
386
|
|
|
* 创建块 |
387
|
|
|
*/ |
388
|
|
|
private function makeBlock($block, $blockSize) |
389
|
|
|
{ |
390
|
|
|
$url = $this->host . '/mkblk/' . $blockSize; |
391
|
|
|
return $this->post($url, $block); |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
private function fileUrl($fname) |
395
|
|
|
{ |
396
|
|
|
$url = $this->host . '/mkfile/' . $this->size; |
397
|
|
|
$url .= '/mimeType/' . \Qiniu\base64_urlSafeEncode($this->mime); |
398
|
|
|
if ($this->key != null) { |
399
|
|
|
$url .= '/key/' . \Qiniu\base64_urlSafeEncode($this->key); |
400
|
|
|
} |
401
|
|
|
$url .= '/fname/' . \Qiniu\base64_urlSafeEncode($fname); |
402
|
|
|
if (!empty($this->params)) { |
403
|
|
|
foreach ($this->params as $key => $value) { |
404
|
|
|
$val = \Qiniu\base64_urlSafeEncode($value); |
405
|
|
|
$url .= "/$key/$val"; |
406
|
|
|
} |
407
|
|
|
} |
408
|
|
|
return $url; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* 创建文件 |
413
|
|
|
* |
414
|
|
|
* @param string $fname 文件名 |
415
|
|
|
* @return array{array | null, Error | null} |
|
|
|
|
416
|
|
|
*/ |
417
|
|
|
private function makeFile($fname) |
418
|
|
|
{ |
419
|
|
|
$url = $this->fileUrl($fname); |
420
|
|
|
$body = implode(',', array_map(function ($ctx) { |
421
|
|
|
return $ctx['ctx']; |
422
|
|
|
}, $this->contexts)); |
423
|
|
|
$response = $this->post($url, $body); |
424
|
|
|
if ($response->needRetry()) { |
425
|
|
|
$response = $this->post($url, $body); |
426
|
|
|
} |
427
|
|
|
if ($response->statusCode === 200 || $response->statusCode === 701) { |
428
|
|
|
if ($this->resumeRecordFile !== null) { |
429
|
|
|
@unlink($this->resumeRecordFile); |
|
|
|
|
430
|
|
|
} |
431
|
|
|
} |
432
|
|
|
if (!$response->ok()) { |
433
|
|
|
return array(null, new Error($this->currentUrl, $response)); |
434
|
|
|
} |
435
|
|
|
return array($response->json(), null); |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
private function post($url, $data) |
439
|
|
|
{ |
440
|
|
|
$this->currentUrl = $url; |
441
|
|
|
$headers = array('Authorization' => 'UpToken ' . $this->upToken); |
442
|
|
|
return Client::post($url, $data, $headers, $this->reqOpt); |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
private function blockSize($uploaded) |
446
|
|
|
{ |
447
|
|
|
if ($this->size < $uploaded + $this->partSize) { |
448
|
|
|
return $this->size - $uploaded; |
449
|
|
|
} |
450
|
|
|
return $this->partSize; |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
private function makeInitReq($encodedObjectName) |
454
|
|
|
{ |
455
|
|
|
$res = $this->initReq($encodedObjectName); |
456
|
|
|
$this->finishedEtags["uploadId"] = $res['uploadId']; |
457
|
|
|
$this->finishedEtags["expiredAt"] = $res['expireAt']; |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
/** |
461
|
|
|
* 初始化上传任务 |
462
|
|
|
*/ |
463
|
|
|
private function initReq($encodedObjectName) |
464
|
|
|
{ |
465
|
|
|
$url = $this->host . '/buckets/' . $this->bucket . '/objects/' . $encodedObjectName . '/uploads'; |
466
|
|
|
$headers = array( |
467
|
|
|
'Authorization' => 'UpToken ' . $this->upToken, |
468
|
|
|
'Content-Type' => 'application/json' |
469
|
|
|
); |
470
|
|
|
$response = $this->postWithHeaders($url, null, $headers); |
471
|
|
|
return $response->json(); |
472
|
|
|
} |
473
|
|
|
|
474
|
|
|
/** |
475
|
|
|
* 分块上传v2 |
476
|
|
|
*/ |
477
|
|
|
private function uploadPart($block, $partNumber, $uploadId, $encodedObjectName, $md5) |
478
|
|
|
{ |
479
|
|
|
$headers = array( |
480
|
|
|
'Authorization' => 'UpToken ' . $this->upToken, |
481
|
|
|
'Content-Type' => 'application/octet-stream', |
482
|
|
|
'Content-MD5' => $md5 |
483
|
|
|
); |
484
|
|
|
$url = $this->host . '/buckets/' . $this->bucket . '/objects/' . $encodedObjectName . |
485
|
|
|
'/uploads/' . $uploadId . '/' . $partNumber; |
486
|
|
|
$response = $this->put($url, $block, $headers); |
487
|
|
|
if ($response->statusCode === 612) { |
488
|
|
|
if ($this->resumeRecordFile !== null) { |
489
|
|
|
@unlink($this->resumeRecordFile); |
|
|
|
|
490
|
|
|
} |
491
|
|
|
} |
492
|
|
|
return $response; |
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
/** |
496
|
|
|
* 完成分片上传V2 |
497
|
|
|
* |
498
|
|
|
* @param string $fname 文件名 |
499
|
|
|
* @param int $uploadId 由 {@see initReq} 获取 |
500
|
|
|
* @param string $encodedObjectName 经过编码的存储路径 |
501
|
|
|
* @return array{array | null, Error | null} |
|
|
|
|
502
|
|
|
*/ |
503
|
|
|
private function completeParts($fname, $uploadId, $encodedObjectName) |
504
|
|
|
{ |
505
|
|
|
$headers = array( |
506
|
|
|
'Authorization' => 'UpToken ' . $this->upToken, |
507
|
|
|
'Content-Type' => 'application/json' |
508
|
|
|
); |
509
|
|
|
$etags = $this->finishedEtags['etags']; |
510
|
|
|
$sortedEtags = \Qiniu\arraySort($etags, 'partNumber'); |
511
|
|
|
$metadata = array(); |
512
|
|
|
$customVars = array(); |
513
|
|
|
if ($this->params) { |
|
|
|
|
514
|
|
|
foreach ($this->params as $k => $v) { |
515
|
|
|
if (strpos($k, 'x:') === 0) { |
516
|
|
|
$customVars[$k] = $v; |
517
|
|
|
} elseif (strpos($k, 'x-qn-meta-') === 0) { |
518
|
|
|
$metadata[$k] = $v; |
519
|
|
|
} |
520
|
|
|
} |
521
|
|
|
} |
522
|
|
|
if (empty($metadata)) { |
523
|
|
|
$metadata = null; |
524
|
|
|
} |
525
|
|
|
if (empty($customVars)) { |
526
|
|
|
$customVars = null; |
527
|
|
|
} |
528
|
|
|
$body = array( |
529
|
|
|
'fname' => $fname, |
530
|
|
|
'mimeType' => $this->mime, |
531
|
|
|
'metadata' => $metadata, |
532
|
|
|
'customVars' => $customVars, |
533
|
|
|
'parts' => $sortedEtags |
534
|
|
|
); |
535
|
|
|
$jsonBody = json_encode($body); |
536
|
|
|
$url = $this->host . '/buckets/' . $this->bucket . '/objects/' . $encodedObjectName . '/uploads/' . $uploadId; |
537
|
|
|
$response = $this->postWithHeaders($url, $jsonBody, $headers); |
538
|
|
|
if ($response->needRetry()) { |
539
|
|
|
$response = $this->postWithHeaders($url, $jsonBody, $headers); |
540
|
|
|
} |
541
|
|
|
if ($response->statusCode === 200 || $response->statusCode === 612) { |
542
|
|
|
if ($this->resumeRecordFile !== null) { |
543
|
|
|
@unlink($this->resumeRecordFile); |
|
|
|
|
544
|
|
|
} |
545
|
|
|
} |
546
|
|
|
if (!$response->ok()) { |
547
|
|
|
return array(null, new Error($this->currentUrl, $response)); |
548
|
|
|
} |
549
|
|
|
return array($response->json(), null); |
550
|
|
|
} |
551
|
|
|
|
552
|
|
|
private function put($url, $data, $headers) |
553
|
|
|
{ |
554
|
|
|
$this->currentUrl = $url; |
555
|
|
|
return Client::put($url, $data, $headers, $this->reqOpt); |
556
|
|
|
} |
557
|
|
|
|
558
|
|
|
private function postWithHeaders($url, $data, $headers) |
559
|
|
|
{ |
560
|
|
|
$this->currentUrl = $url; |
561
|
|
|
return Client::post($url, $data, $headers, $this->reqOpt); |
562
|
|
|
} |
563
|
|
|
} |
564
|
|
|
|