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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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/** |
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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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* 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 string $inputStream 上传二进制流 |
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* @param string $size 上传流的大小 |
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* @param 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 string $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 string $partSize 分片上传v2必传字段 默认大小为4MB 分片大小范围为1 MB - 1 GB |
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* |
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* @link http://developer.qiniu.com/docs/v6/api/overview/up/response/vars.html#xvar |
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*/ |
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public function __construct( |
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$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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$partSize = config::BLOCK_SIZE |
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) { |
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$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->version = $version ? $version : 'v1'; |
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$this->partSize = $partSize ? $partSize : config::BLOCK_SIZE; |
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list($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, $err); |
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} |
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$upHost = $config->getUpHost($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 = $upHost; |
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} |
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/** |
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* 上传操作 |
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*/ |
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public function upload($fname) |
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{ |
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$uploaded = 0; |
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if ($this->version == 'v2') { |
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$partNumber = 1; |
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$encodedObjectName = $this->key? \Qiniu\base64_urlSafeEncode($this->key) : '~'; |
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}; |
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// get upload record from resumeRecordFile |
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if ($this->resumeRecordFile != null) { |
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$blkputRets = 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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if ($blkputRets) { |
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if ($this->version == 'v1') { |
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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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$this->contexts = $blkputRets['contexts']; |
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$uploaded = $blkputRets['uploaded']; |
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} |
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} else if ($this->version == 'v2') { |
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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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$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($encodedObjectName); |
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} |
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} else { |
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throw new \Exception("only support v1/v2 now!"); |
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} |
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} else { |
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if ($this->version == 'v2') { |
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$this->makeInitReq($encodedObjectName); |
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} |
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} |
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} else { |
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// init a Multipart Upload task if choose v2 |
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if ($this->version == 'v2') { |
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$this->makeInitReq($encodedObjectName); |
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} |
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} |
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while ($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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if ($this->version == 'v1') { |
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$crc = \Qiniu\crc32_data($data); |
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$response = $this->makeBlock($data, $blockSize); |
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} else { |
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$md5 = md5($data); |
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$response = $this->uploadPart($data, $partNumber, $this->finishedEtags["uploadId"], $encodedObjectName); |
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} |
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$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); |
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if ($err != null) { |
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return array(null, $err); |
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} |
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$upHostBackup = $this->config->getUpBackupHost($accessKey, $bucket); |
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$this->host = $upHostBackup; |
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} |
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if ($this->version == 'v1') { |
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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, $response)); |
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} |
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array_push($this->contexts, $ret['ctx']); |
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} else { |
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if ($response->needRetry() || !isset($ret['md5']) || $md5 != $ret['md5']) { |
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$response = $this->uploadPart($data, $partNumber, $this->finishedEtags["uploadId"], $encodedObjectName); |
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$ret = $response->json(); |
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} |
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if (!$response->ok() || !isset($ret['md5']) || $md5 != $ret['md5']) { |
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return array(null, new Error($this->currentUrl, $response)); |
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} |
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$blockStatus = array('etag' => $ret['etag'], 'partNumber' => $partNumber); |
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array_push($this->finishedEtags['etags'], $blockStatus); |
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$partNumber += 1; |
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} |
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$uploaded += $blockSize; |
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if ($this->version == 'v2') { |
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$this->finishedEtags['uploaded'] = $uploaded; |
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} |
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if ($this->resumeRecordFile !== null) { |
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if ($this->version == 'v1') { |
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$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($recordData); |
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} else { |
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$recordData = json_encode($this->finishedEtags); |
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} |
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if ($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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if ($this->version == 'v1') { |
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return $this->makeFile($fname); |
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} else { |
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return $this->completeParts($fname, $this->finishedEtags['uploadId'], $encodedObjectName); |
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} |
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} |
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/** |
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* 创建块 |
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*/ |
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private function makeBlock($block, $blockSize) |
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{ |
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$url = $this->host . '/mkblk/' . $blockSize; |
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return $this->post($url, $block); |
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} |
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private function fileUrl($fname) |
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{ |
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$url = $this->host . '/mkfile/' . $this->size; |
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$url .= '/mimeType/' . \Qiniu\base64_urlSafeEncode($this->mime); |
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if ($this->key != null) { |
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$url .= '/key/' . \Qiniu\base64_urlSafeEncode($this->key); |
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} |
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$url .= '/fname/' . \Qiniu\base64_urlSafeEncode($fname); |
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if (!empty($this->params)) { |
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foreach ($this->params as $key => $value) { |
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$val = \Qiniu\base64_urlSafeEncode($value); |
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$url .= "/$key/$val"; |
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} |
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} |
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return $url; |
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} |
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/** |
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* 创建文件 |
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*/ |
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private function makeFile($fname) |
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{ |
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$url = $this->fileUrl($fname); |
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$body = implode(',', $this->contexts); |
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$response = $this->post($url, $body); |
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if ($response->needRetry()) { |
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$response = $this->post($url, $body); |
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} |
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if (!$response->ok()) { |
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return array(null, new Error($this->currentUrl, $response)); |
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} |
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return array($response->json(), null); |
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} |
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private function post($url, $data) |
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292
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{ |
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$this->currentUrl = $url; |
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294
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$headers = array('Authorization' => 'UpToken ' . $this->upToken); |
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return Client::post($url, $data, $headers); |
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} |
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297
|
|
|
|
|
298
|
|
|
private function blockSize($uploaded) |
|
299
|
|
|
{ |
|
300
|
|
|
if ($this->size < $uploaded + $this->partSize) { |
|
301
|
|
|
return $this->size - $uploaded; |
|
302
|
|
|
} |
|
303
|
|
|
return $this->partSize; |
|
304
|
|
|
} |
|
305
|
|
|
|
|
306
|
|
|
private function makeInitReq($encodedObjectName) { |
|
307
|
|
|
$res = $this->initReq($encodedObjectName); |
|
308
|
|
|
$this->finishedEtags["uploadId"] = $res['uploadId']; |
|
309
|
|
|
$this->finishedEtags["expiredAt"] = $res['expireAt']; |
|
310
|
|
|
} |
|
311
|
|
|
|
|
312
|
|
|
/** |
|
313
|
|
|
* 初始化上传任务 |
|
314
|
|
|
*/ |
|
315
|
|
|
private function initReq($encodedObjectName) { |
|
316
|
|
|
$url = $this->host.'/buckets/'.$this->bucket.'/objects/'.$encodedObjectName.'/uploads'; |
|
317
|
|
|
$headers = array( |
|
318
|
|
|
'Authorization' => 'UpToken ' . $this->upToken, |
|
319
|
|
|
'Content-Type' => 'application/json' |
|
320
|
|
|
); |
|
321
|
|
|
$response = $this->postWithHeaders($url, null, $headers); |
|
322
|
|
|
return $response->json(); |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* 分块上传v2 |
|
327
|
|
|
*/ |
|
328
|
|
|
private function uploadPart($block, $partNumber, $uploadId, $encodedObjectName) { |
|
329
|
|
|
$headers = array( |
|
330
|
|
|
'Authorization' => 'UpToken ' . $this->upToken, |
|
331
|
|
|
'Content-Type' => 'application/octet-stream', |
|
332
|
|
|
'Content-MD5' => $block |
|
333
|
|
|
); |
|
334
|
|
|
$url = $this->host.'/buckets/'.$this->bucket.'/objects/'.$encodedObjectName.'/uploads/'.$uploadId.'/'.$partNumber; |
|
335
|
|
|
$response = $this->put($url, $block, $headers); |
|
336
|
|
|
return $response; |
|
337
|
|
|
} |
|
338
|
|
|
|
|
339
|
|
|
private function completeParts($fname, $uploadId, $encodedObjectName) { |
|
340
|
|
|
$headers = array( |
|
341
|
|
|
'Authorization' => 'UpToken '.$this->upToken, |
|
342
|
|
|
'Content-Type' => 'application/json' |
|
343
|
|
|
); |
|
344
|
|
|
$etags = $this->finishedEtags['etags']; |
|
345
|
|
|
$sortedEtags = \Qiniu\arraySort($etags, 'partNumber'); |
|
346
|
|
|
$body = array( |
|
347
|
|
|
'fname' => $fname, |
|
348
|
|
|
'$mimeType' => $this->mime, |
|
349
|
|
|
'customVars' => $this->params, |
|
350
|
|
|
'parts' => $sortedEtags |
|
351
|
|
|
); |
|
352
|
|
|
$jsonBody = json_encode($body); |
|
353
|
|
|
$url = $this->host.'/buckets/'.$this->bucket.'/objects/'.$encodedObjectName.'/uploads/'.$uploadId; |
|
354
|
|
|
$response = $this->postWithHeaders($url, $jsonBody, $headers); |
|
355
|
|
|
if ($response->needRetry()) { |
|
356
|
|
|
$response = $this->postWithHeaders($url, $jsonBody, $headers); |
|
357
|
|
|
} |
|
358
|
|
|
if (!$response->ok()) { |
|
359
|
|
|
return array(null, new Error($this->currentUrl, $response)); |
|
360
|
|
|
} |
|
361
|
|
|
return array($response->json(), null); |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
private function put($url, $data, $headers) |
|
365
|
|
|
{ |
|
366
|
|
|
$this->currentUrl = $url; |
|
367
|
|
|
return Client::put($url, $data, $headers); |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
private function postWithHeaders($url, $data, $headers) |
|
371
|
|
|
{ |
|
372
|
|
|
$this->currentUrl = $url; |
|
373
|
|
|
return Client::post($url, $data, $headers); |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
} |
|
377
|
|
|
|
qiniu /
php-sdk
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