/**
* 分段上传函数
* @param string $object 在OSS中存储的文件名称带上路径
* @param string $upload_file 上传本地文件的名称带路径 根据给出的路径可以找到该文件
*/
public function fenduan($object, $upload_file)
{
//分段上传
$oss = $this;
$bucket = $oss->bucket;
//OSS空间名称
$upload_id = $oss->init_multipart_upload($bucket, $object);
$part_size = 5 * 1024 * 1024;
//分块大小
$upload_filesize = filesize($upload_file);
$_SESSION['file_size'] = $upload_filesize;
$pieces = $oss->get_multipart_counts($upload_filesize, $part_size);
$response_upload_part = array();
$upload_position = 0;
$is_check_md5 = true;
foreach ($pieces as $i => $piece) {
$from_pos = $upload_position + (int) $piece[$oss::OSS_SEEK_TO];
$to_pos = (int) $piece[$oss::OSS_LENGTH] + $from_pos - 1;
$up_options = array($oss::OSS_FILE_UPLOAD => $upload_file, $oss::OSS_PART_NUM => $i + 1, $oss::OSS_SEEK_TO => $from_pos, $oss::OSS_LENGTH => $to_pos - $from_pos + 1, $oss::OSS_CHECK_MD5 => $is_check_md5);
if ($is_check_md5) {
$content_md5 = OSSUtil::get_content_md5_of_file($upload_file, $from_pos, $to_pos);
$up_options[$oss::OSS_CONTENT_MD5] = $content_md5;
}
//2. 将每一分片上传到OSS
$response_upload_part[] = $oss->upload_part($bucket, $object, $upload_id, $up_options);
}
$upload_parts = array();
$upload_part_result = true;
foreach ($response_upload_part as $i => $res) {
$upload_part_result = $upload_part_result && $res->isOk();
$msg = "上传分块到 /" . $bucket . "/" . $object . " upload id is: " . $upload_id;
if (!$upload_part_result) {
throw new OSS_Exception('部分上传没有成功!');
}
$upload_parts[] = array('PartNumber' => $i + 1, 'ETag' => (string) $res->header['etag']);
}
$res = $oss->complete_multipart_upload($bucket, $object, $upload_id, $upload_parts);
$body = $res->body;
$status = $res->status;
return array("body" => $res->body, "status" => $res->status);
}
/**
* auth接口
* @param array $options
* @return ResponseCore
* @throws OSS_Exception
* @throws RequestCore_Exception
*/
public function auth($options)
{
OSSUtil::validate_options($options);
//验证Bucket,list_bucket时不需要验证
if (!('/' == $options[self::OSS_OBJECT] && '' == $options[self::OSS_BUCKET] && 'GET' == $options[self::OSS_METHOD]) && !OSSUtil::validate_bucket($options[self::OSS_BUCKET])) {
throw new OSS_Exception('"' . $options[self::OSS_BUCKET] . '"' . OSS_BUCKET_NAME_INVALID);
}
//验证Object
if (isset($options[self::OSS_OBJECT]) && !OSSUtil::validate_object($options[self::OSS_OBJECT])) {
throw new OSS_Exception($options[self::OSS_OBJECT] . OSS_OBJECT_NAME_INVALID);
}
//Object编码为UTF-8
$tmp_object = $options[self::OSS_OBJECT];
try {
if (OSSUtil::is_gb2312($options[self::OSS_OBJECT])) {
$options[self::OSS_OBJECT] = iconv('GB2312', "UTF-8//IGNORE", $options[self::OSS_OBJECT]);
} elseif (OSSUtil::check_char($options[self::OSS_OBJECT], true)) {
$options[self::OSS_OBJECT] = iconv('GBK', "UTF-8//IGNORE", $options[self::OSS_OBJECT]);
}
} catch (Exception $e) {
try {
$tmp_object = iconv(mb_detect_encoding($tmp_object), "UTF-8", $tmp_object);
} catch (Exception $e) {
}
}
$options[self::OSS_OBJECT] = $tmp_object;
//验证ACL
if (isset($options[self::OSS_HEADERS][self::OSS_ACL]) && !empty($options[self::OSS_HEADERS][self::OSS_ACL])) {
if (!in_array(strtolower($options[self::OSS_HEADERS][self::OSS_ACL]), self::$OSS_ACL_TYPES)) {
throw new OSS_Exception($options[self::OSS_HEADERS][self::OSS_ACL] . ':' . OSS_ACL_INVALID);
}
}
//定义scheme
$scheme = $this->use_ssl ? 'https://' : 'http://';
if ($this->enable_domain_style) {
$hostname = $this->vhost ? $this->vhost : ($options[self::OSS_BUCKET] == '' ? $this->hostname : $options[self::OSS_BUCKET] . '.' . $this->hostname);
} else {
$hostname = isset($options[self::OSS_BUCKET]) && '' !== $options[self::OSS_BUCKET] ? $this->hostname . '/' . $options[self::OSS_BUCKET] : $this->hostname;
}
//请求参数
$signable_resource = '';
$query_string_params = array();
$signable_query_string_params = array();
$string_to_sign = '';
$oss_host = $this->hostname;
if ($this->enable_domain_style) {
$oss_host = $hostname;
}
$headers = array(self::OSS_CONTENT_MD5 => '', self::OSS_CONTENT_TYPE => isset($options[self::OSS_CONTENT_TYPE]) ? $options[self::OSS_CONTENT_TYPE] : 'application/x-www-form-urlencoded', self::OSS_DATE => isset($options[self::OSS_DATE]) ? $options[self::OSS_DATE] : gmdate('D, d M Y H:i:s \\G\\M\\T'), self::OSS_HOST => $oss_host);
if (isset($options[self::OSS_CONTENT_MD5])) {
$headers[self::OSS_CONTENT_MD5] = $options[self::OSS_CONTENT_MD5];
}
//增加stsSecurityToken
if (!is_null($this->security_token) && !$this->enable_sts_in_url) {
$headers[self::OSS_SECURITY_TOKEN] = $this->security_token;
}
if (isset($options[self::OSS_OBJECT]) && '/' !== $options[self::OSS_OBJECT]) {
$signable_resource = '/' . str_replace(array('%2F', '%25'), array('/', '%'), rawurlencode($options[self::OSS_OBJECT]));
}
if (isset($options[self::OSS_QUERY_STRING])) {
$query_string_params = array_merge($query_string_params, $options[self::OSS_QUERY_STRING]);
}
$query_string = OSSUtil::to_query_string($query_string_params);
$signable_list = array(self::OSS_PART_NUM, 'response-content-type', 'response-content-language', 'response-cache-control', 'response-content-encoding', 'response-expires', 'response-content-disposition', self::OSS_UPLOAD_ID);
foreach ($signable_list as $item) {
if (isset($options[$item])) {
$signable_query_string_params[$item] = $options[$item];
}
}
if ($this->enable_sts_in_url && !is_null($this->security_token)) {
$signable_query_string_params["security-token"] = $this->security_token;
}
$signable_query_string = OSSUtil::to_query_string($signable_query_string_params);
//合并 HTTP headers
if (isset($options[self::OSS_HEADERS])) {
$headers = array_merge($headers, $options[self::OSS_HEADERS]);
}
//生成请求URL
$conjunction = '?';
$non_signable_resource = '';
if (isset($options[self::OSS_SUB_RESOURCE])) {
$signable_resource .= $conjunction . $options[self::OSS_SUB_RESOURCE];
$conjunction = '&';
}
if ($signable_query_string !== '') {
$signable_query_string = $conjunction . $signable_query_string;
$conjunction = '&';
}
if ($query_string !== '') {
$non_signable_resource .= $conjunction . $query_string;
$conjunction = '&';
}
$this->request_url = $scheme . $hostname . $signable_resource . $signable_query_string . $non_signable_resource;
//创建请求
$request = new RequestCore($this->request_url);
$user_agent = OSS_NAME . "/" . OSS_VERSION . " (" . php_uname('s') . "/" . php_uname('r') . "/" . php_uname('m') . ";" . PHP_VERSION . ")";
$request->set_useragent($user_agent);
// Streaming uploads
if (isset($options[self::OSS_FILE_UPLOAD])) {
if (is_resource($options[self::OSS_FILE_UPLOAD])) {
$length = null;
if (isset($options[self::OSS_CONTENT_LENGTH])) {
$length = $options[self::OSS_CONTENT_LENGTH];
} elseif (isset($options[self::OSS_SEEK_TO])) {
$stats = fstat($options[self::OSS_FILE_UPLOAD]);
if ($stats && $stats[self::OSS_SIZE] >= 0) {
$length = $stats[self::OSS_SIZE] - (int) $options[self::OSS_SEEK_TO];
}
}
$request->set_read_stream($options[self::OSS_FILE_UPLOAD], $length);
if ($headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded') {
$headers[self::OSS_CONTENT_TYPE] = 'application/octet-stream';
}
} else {
$request->set_read_file($options[self::OSS_FILE_UPLOAD]);
$length = $request->read_stream_size;
if (isset($options[self::OSS_CONTENT_LENGTH])) {
$length = $options[self::OSS_CONTENT_LENGTH];
} elseif (isset($options[self::OSS_SEEK_TO]) && isset($length)) {
$length -= (int) $options[self::OSS_SEEK_TO];
}
$request->set_read_stream_size($length);
if (isset($headers[self::OSS_CONTENT_TYPE]) && $headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded') {
$mime_type = self::get_mime_type($options[self::OSS_FILE_UPLOAD]);
$headers[self::OSS_CONTENT_TYPE] = $mime_type;
}
}
}
if (isset($options[self::OSS_SEEK_TO])) {
$request->set_seek_position((int) $options[self::OSS_SEEK_TO]);
}
if (isset($options[self::OSS_FILE_DOWNLOAD])) {
if (is_resource($options[self::OSS_FILE_DOWNLOAD])) {
$request->set_write_stream($options[self::OSS_FILE_DOWNLOAD]);
} else {
$request->set_write_file($options[self::OSS_FILE_DOWNLOAD]);
}
}
if (isset($options[self::OSS_METHOD])) {
$request->set_method($options[self::OSS_METHOD]);
$string_to_sign .= $options[self::OSS_METHOD] . "\n";
}
if (isset($options[self::OSS_CONTENT])) {
$request->set_body($options[self::OSS_CONTENT]);
if ($headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded') {
$headers[self::OSS_CONTENT_TYPE] = 'application/octet-stream';
}
$headers[self::OSS_CONTENT_LENGTH] = strlen($options[self::OSS_CONTENT]);
$headers[self::OSS_CONTENT_MD5] = base64_encode(md5($options[self::OSS_CONTENT], true));
}
uksort($headers, 'strnatcasecmp');
foreach ($headers as $header_key => $header_value) {
$header_value = str_replace(array("\r", "\n"), '', $header_value);
if ($header_value !== '') {
$request->add_header($header_key, $header_value);
}
if (strtolower($header_key) === 'content-md5' || strtolower($header_key) === 'content-type' || strtolower($header_key) === 'date' || isset($options['self::OSS_PREAUTH']) && (int) $options['self::OSS_PREAUTH'] > 0) {
$string_to_sign .= $header_value . "\n";
} elseif (substr(strtolower($header_key), 0, 6) === self::OSS_DEFAULT_PREFIX) {
$string_to_sign .= strtolower($header_key) . ':' . $header_value . "\n";
}
}
$string_to_sign .= '/' . $options[self::OSS_BUCKET];
$string_to_sign .= $this->enable_domain_style ? $options[self::OSS_BUCKET] != '' ? $options[self::OSS_OBJECT] == '/' ? '/' : '' : '' : '';
$string_to_sign .= rawurldecode($signable_resource) . urldecode($signable_query_string);
$signature = base64_encode(hash_hmac('sha1', $string_to_sign, $this->access_key, true));
$request->add_header('Authorization', 'OSS ' . $this->access_id . ':' . $signature);
if (isset($options[self::OSS_PREAUTH]) && (int) $options[self::OSS_PREAUTH] > 0) {
$signed_url = $this->request_url . $conjunction . self::OSS_URL_ACCESS_KEY_ID . '=' . rawurlencode($this->access_id) . '&' . self::OSS_URL_EXPIRES . '=' . $options[self::OSS_PREAUTH] . '&' . self::OSS_URL_SIGNATURE . '=' . rawurlencode($signature);
return $signed_url;
} elseif (isset($options[self::OSS_PREAUTH])) {
return $this->request_url;
}
if ($this->debug_mode) {
$request->debug_mode = $this->debug_mode;
}
$request->send_request();
$response_header = $request->get_response_header();
$response_header['oss-request-url'] = $this->request_url;
$response_header['oss-redirects'] = $this->redirects;
$response_header['oss-stringtosign'] = $string_to_sign;
$response_header['oss-requestheaders'] = $request->request_headers;
$data = new ResponseCore($response_header, $request->get_response_body(), $request->get_response_code());
//retry if OSS Internal Error
if ((int) $request->get_response_code() === 500) {
if ($this->redirects <= $this->max_retries) {
//设置休眠
$delay = (int) (pow(4, $this->redirects) * 100000);
usleep($delay);
$this->redirects++;
$data = $this->auth($options);
}
}
$this->redirects = 0;
return $data;
}
