128 lines
4.3 KiB
PHP
128 lines
4.3 KiB
PHP
<?php
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namespace Qcloud\Cos;
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use Guzzle\Service\Description\Parameter;
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use Guzzle\Service\Description\ServiceDescription;
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use GuzzleHttp\HandlerStack;
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use Psr\Http\Message\RequestInterface;
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use Psr\Http\Message\ResponseInterface;
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use Qcloud\Cos\Signature;
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use GuzzleHttp\Command\Guzzle\Description;
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use GuzzleHttp\Command\Guzzle\GuzzleClient;
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use GuzzleHttp\Command\CommandInterface;
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use GuzzleHttp\Exception\RequestException;
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use GuzzleHttp\Middleware;
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use GuzzleHttp\Psr7;
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use GuzzleHttp\Psr7\Uri;
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use GuzzleHttp\Command\Result;
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use InvalidArgumentException;
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class ResultTransformer {
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private $config;
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private $operation;
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public function __construct($config, $operation) {
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$this->config = $config;
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$this->operation = $operation;
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}
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public function writeDataToLocal(CommandInterface $command, RequestInterface $request, ResponseInterface $response) {
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$action = $command->getName();
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if ($action == "GetObject") {
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if (isset($command['SaveAs'])) {
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$fp = fopen($command['SaveAs'], "wb");
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$stream = $response->getBody();
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$offset = 0;
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$partsize = 8192;
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while (!$stream->eof()) {
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$output = $stream->read($partsize);
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fseek($fp, $offset);
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fwrite($fp, $output);
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$offset += $partsize;
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}
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fclose($fp);
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}
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}
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}
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public function metaDataTransformer(CommandInterface $command, ResponseInterface $response, Result $result) {
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$headers = $response->getHeaders();
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$metadata = array();
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foreach ($headers as $key => $value) {
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if (strpos($key, "x-cos-meta-") === 0) {
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$metadata[substr($key, 11)] = $value[0];
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}
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}
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if (!empty($metadata)) {
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$result['Metadata'] = $metadata;
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}
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return $result;
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}
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public function extraHeadersTransformer(CommandInterface $command, RequestInterface $request, Result $result) {
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if ($command['Key'] != null && $result['Key'] == null) {
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$result['Key'] = $command['Key'];
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}
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if ($command['Bucket'] != null && $result['Bucket'] == null) {
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$result['Bucket'] = $command['Bucket'];
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}
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$result['Location'] = $request->getHeader("Host")[0] . $request->getUri()->getPath();
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return $result;
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}
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public function selectContentTransformer(CommandInterface $command, Result $result) {
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$action = $command->getName();
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if ($action == "SelectObjectContent") {
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$result['Data'] = $this->getSelectContents($result);
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}
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return $result;
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}
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public function getSelectContents($result) {
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$f = $result['RawData'];
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while (!$f->eof()) {
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$data = array();
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$tmp = $f->read(4);
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if (empty($tmp)) {
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break;
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}
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$totol_length = (int)(unpack("N", $tmp)[1]);
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$headers_length = (int)(unpack("N", $f->read(4))[1]);
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$body_length = $totol_length - $headers_length - 16;
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$predule_crc = (int)(unpack("N", $f->read(4))[1]);
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$headers = array();
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for ($offset = 0; $offset < $headers_length;) {
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$key_length = (int)(unpack("C", $f->read(1))[1]);
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$key = $f->read($key_length);
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$head_value_type = (int)(unpack("C", $f->read(1))[1]);
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$value_length = (int)(unpack("n", $f->read(2))[1]);
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$value = $f->read($value_length);
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$offset += 4 + $key_length + $value_length;
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if ($key == ":message-type") {
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$data['MessageType'] = $value;
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}
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if ($key == ":event-type") {
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$data['EventType'] = $value;
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}
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if ($key == ":error-code") {
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$data['ErrorCode'] = $value;
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}
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if ($key == ":error-message") {
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$data['ErrorMessage'] = $value;
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}
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}
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$body = $f->read($body_length);
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$message_crc = (int)(unpack("N", $f->read(4))[1]);
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$data['Body'] = $body;
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yield $data;
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}
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}
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public function __destruct() {
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}
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}
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