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<?php |
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namespace Freyo\Flysystem\QcloudCOSv5\Plugins; |
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use League\Flysystem\Plugin\AbstractPlugin; |
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class GetFederationToken extends AbstractPlugin |
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{ |
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/** |
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* Get the method name. |
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* |
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* @return string |
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*/ |
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public function getMethod() |
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{ |
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return 'getFederationToken'; |
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} |
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/** |
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* @param string $path |
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* @param int $seconds |
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* |
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* @return bool|array |
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*/ |
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public function handle($path = '', $seconds = 7200) |
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{ |
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$params = [ |
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'durationSeconds' => $seconds, |
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'name' => 'cos', |
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'policy' => urlencode($this->getPolicy($path)) |
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]; |
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return $this->request($params, 'GetFederationToken'); |
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} |
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/** |
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* @param $path |
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* |
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* @return string |
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*/ |
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protected function getPolicy($path) |
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{ |
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$appId = $this->getCredentials()['appId']; |
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$region = $this->getConfig()->get('region'); |
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$bucket = $this->getConfig()->get('bucket'); |
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$policy = [ |
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'version' => '2.0', |
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'statement' => [ |
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'action' => [ |
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// 简单上传 |
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'name/cos:PutObject', |
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// 分片上传操作 |
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'name/cos:InitiateMultipartUpload', |
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'name/cos:ListMultipartUploads', |
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'name/cos:ListParts', |
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'name/cos:UploadPart', |
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'name/cos:CompleteMultipartUpload', |
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], |
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'effect' => 'allow', |
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'principal' => ['qcs' => ['*']], |
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'resource' => [ |
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"qcs::cos:$region:uid/$appId:prefix//$appId/$bucket/", |
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"qcs::cos:$region:uid/$appId:prefix//$appId/$bucket/$path", |
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], |
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], |
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]; |
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return str_replace('\\/', '/', json_encode($policy)); |
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} |
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/** |
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* @return \League\Flysystem\Config |
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*/ |
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protected function getConfig() |
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{ |
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return $this->filesystem->getConfig(); |
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} |
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/** |
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* @return array |
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*/ |
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protected function getCredentials() |
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{ |
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return $this->getConfig()->get('credentials'); |
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} |
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/** |
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* @param array $args |
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* @param $action |
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* |
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* @return bool|array |
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*/ |
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protected function request(array $args, $action) |
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{ |
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$client = $this->getHttpClient(); |
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$response = $client->post('/v2/index.php', [ |
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'form_params' => $this->buildFormParams($args, $action), |
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]); |
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$contents = $response->getBody()->getContents(); |
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return $this->normalize($contents); |
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} |
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/** |
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* @return \GuzzleHttp\Client |
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*/ |
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protected function getHttpClient() |
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{ |
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return new \GuzzleHttp\Client([ |
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'verify' => false, |
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'base_uri' => 'https://sts.api.qcloud.com', |
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]); |
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} |
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/** |
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* @param array $params |
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* @param string $action |
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* |
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* @return array |
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*/ |
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protected function buildFormParams(array $params, $action) |
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{ |
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$params = $this->addCommonParams($params, $action); |
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return $this->addSignature($params); |
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} |
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/** |
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* @param array $params |
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* @param string $action |
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* |
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* @return array |
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*/ |
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protected function addCommonParams(array $params, $action) |
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{ |
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return array_merge([ |
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'Region' => $this->getConfig()->get('region'), |
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'Action' => $action, |
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'SecretId' => $this->getCredentials()['secretId'], |
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'Timestamp' => time(), |
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'Nonce' => rand(1, 65535), |
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], $params); |
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} |
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/** |
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* @param array $params |
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* |
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* @return array |
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*/ |
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protected function addSignature(array $params) |
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{ |
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$params['Signature'] = $this->getSignature($params); |
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return $params; |
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} |
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/** |
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* @param array $params |
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* |
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* @return string |
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*/ |
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protected function getSignature(array $params) |
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{ |
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ksort($params); |
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$srcStr = 'POSTsts.api.qcloud.com/v2/index.php?' . urldecode(http_build_query($params)); |
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return base64_encode(hash_hmac('sha1', $srcStr, $this->getCredentials()['secretKey'], true)); |
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} |
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/** |
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* @param string $contents |
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* |
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* @return bool|array |
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*/ |
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protected function normalize($contents) |
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{ |
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$data = json_decode($contents, true); |
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if (json_last_error() !== JSON_ERROR_NONE || $data['code'] !== 0) { |
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return false; |
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} |
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return $data['data']; |
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} |
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} |
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freyo /
flysystem-qcloud-cos-v5
