<?php
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namespace addons\hwobs\library;
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use Obs\Internal\Common\Model;
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use Obs\Internal\Signature\DefaultSignature;
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class Signer
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{
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public function __construct()
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{
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}
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/**
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* 获取分片文件的签名
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* @param string $url
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* @param string $uploadId
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* @param int $fileSize
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* @param int $partSize
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* @param string $date
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* @return array
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*/
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public static function getPartsAuthorization($url, $uploadId, $fileSize, $partSize, $date)
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{
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$config = get_addon_config('hwobs');
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$i = 0;
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$size_count = $fileSize;
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$values = array();
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while ($size_count > 0) {
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$size_count -= $partSize;
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$values[] = array(
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$partSize * $i,
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($size_count > 0) ? $partSize : ($size_count + $partSize),
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);
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$i++;
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}
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$httpMethod = "PUT";
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$headers = [
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"Host" => str_replace(['http://', 'https://'], '', $config['uploadurl']),
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"Content-Length" => 0,
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"x-amz-date" => $date,
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];
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$result = [];
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foreach ($values as $index => $value) {
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$headers['Content-Length'] = $value[1];
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$params = ['partNumber' => $index + 1, 'uploadId' => $uploadId, 'uriParam' => $url, 'dnsParam' => $config['bucket'], 'x-amz-date' => $date];
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$model = new Model($params);
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$sign = new DefaultSignature($config['accessKey'], $config['secretKey'], false, $config['uploadurl'], $httpMethod, 'v2', false, false);
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$requestConfig = [
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'httpMethod' => $httpMethod,
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'requestParameters' => [
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'x-amz-date' => ['location' => 'header'],
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'partNumber' => ['location' => 'query'],
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'uploadId' => ['location' => 'query'],
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'uriParam' => ['location' => 'uri'],
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'dnsParam' => ['location' => 'dns'],
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]
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];
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$sig = $sign->doAuth($requestConfig, $params, $model);
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$result[] = $sig['headers']['Authorization'];
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}
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return $result;
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}
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}
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