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