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htb_backend/vendor/obs/esdk-obs-php/Obs/Internal/GetResponseTrait.php

455 lines
15 KiB

9 months ago
<?php
/**
* Copyright 2019 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
*/
namespace Obs\Internal;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Response;
use GuzzleHttp\Exception\RequestException;
use Obs\ObsException;
use Obs\Internal\Common\Model;
use Obs\Internal\Resource\Constants;
use Obs\Log\ObsLog;
use Psr\Http\Message\StreamInterface;
use Obs\Internal\Common\CheckoutStream;
trait GetResponseTrait
{
protected $exceptionResponseMode = true;
protected $chunkSize = 65536;
protected function isClientError(Response $response)
{
return $response -> getStatusCode() >= 400 && $response -> getStatusCode() < 500;
}
protected function parseXmlByType($searchPath, $key, &$value, $xml, $prefix)
{
$type = 'string';
if(isset($value['sentAs'])){
$key = $value['sentAs'];
}
if($searchPath === null){
$searchPath = '//'.$prefix.$key;
}
if(isset($value['type'])){
$type = $value['type'];
if($type === 'array'){
$items = $value['items'];
if(isset($value['wrapper'])){
$paths = explode('/', $searchPath);
$size = count($paths);
if ($size > 1) {
$end = $paths[$size - 1];
$paths[$size - 1] = $value['wrapper'];
$paths[] = $end;
$searchPath = implode('/', $paths) .'/' . $prefix;
}
}
$array = [];
if(!isset($value['data']['xmlFlattened'])){
$pkey = isset($items['sentAs']) ? $items['sentAs'] : $items['name'];
$_searchPath = $searchPath .'/' . $prefix .$pkey;
}else{
$pkey = $key;
$_searchPath = $searchPath;
}
if($result = $xml -> xpath($_searchPath)){
if(is_array($result)){
foreach ($result as $subXml){
$subXml = simplexml_load_string($subXml -> asXML());
$subPrefix = $this->getXpathPrefix($subXml);
$array[] = $this->parseXmlByType('//'.$subPrefix. $pkey, $pkey, $items, $subXml, $subPrefix);
}
}
}
return $array;
}else if($type === 'object'){
$properties = $value['properties'];
$array = [];
foreach ($properties as $pkey => $pvalue){
$name = isset($pvalue['sentAs']) ? $pvalue['sentAs'] : $pkey;
$array[$pkey] = $this->parseXmlByType($searchPath.'/' . $prefix .$name, $name, $pvalue, $xml, $prefix);
}
return $array;
}
}
if($result = $xml -> xpath($searchPath)){
if($type === 'boolean'){
return strval($result[0]) !== 'false';
}else if($type === 'numeric' || $type === 'float'){
return floatval($result[0]);
}else if($type === 'int' || $type === 'integer'){
return intval($result[0]);
}else{
return strval($result[0]);
}
}else{
if($type === 'boolean'){
return false;
}else if($type === 'numeric' || $type === 'float' || $type === 'int' || $type === 'integer'){
return null;
}else{
return '';
}
}
}
private function isJsonResponse($response) {
return $response -> getHeaderLine('content-type') === 'application/json';
}
private function parseCommonHeaders($model, $response){
$constants = Constants::selectConstants($this -> signature);
foreach($constants::COMMON_HEADERS as $key => $value){
$model[$value] = $response -> getHeaderLine($key);
}
}
protected function parseItems($responseParameters, $model, $response, $body)
{
$prefix = '';
$this->parseCommonHeaders($model, $response);
$closeBody = false;
try{
foreach ($responseParameters as $key => $value){
if(isset($value['location'])){
$location = $value['location'];
if($location === 'header'){
$name = isset($value['sentAs']) ? $value['sentAs'] : $key;
$isSet = false;
if(isset($value['type'])){
$type = $value['type'];
if($type === 'object'){
$headers = $response -> getHeaders();
$temp = [];
foreach ($headers as $headerName => $headerValue){
if(stripos($headerName, $name) === 0){
$metaKey = rawurldecode(substr($headerName, strlen($name)));
$temp[$metaKey] = rawurldecode($response -> getHeaderLine($headerName));
}
}
$model[$key] = $temp;
$isSet = true;
}else{
if($response -> hasHeader($name)){
if($type === 'boolean'){
$model[$key] = ($response -> getHeaderLine($name)) !== 'false';
$isSet = true;
}else if($type === 'numeric' || $type === 'float'){
$model[$key] = floatval($response -> getHeaderLine($name));
$isSet = true;
}else if($type === 'int' || $type === 'integer'){
$model[$key] = intval($response -> getHeaderLine($name));
$isSet = true;
}
}
}
}
if(!$isSet){
$model[$key] = rawurldecode($response -> getHeaderLine($name));
}
}else if($location === 'xml' && $body !== null){
if(!isset($xml) && ($xml = simplexml_load_string($body -> getContents()))){
$prefix = $this ->getXpathPrefix($xml);
}
$closeBody = true;
$model[$key] = $this -> parseXmlByType(null, $key,$value, $xml, $prefix);
}else if($location === 'body' && $body !== null){
if(isset($value['type']) && $value['type'] === 'stream'){
$model[$key] = $body;
}else if (isset($value['type']) && $value['type'] === 'json') {
$jsonBody = trim($body -> getContents());
if ($jsonBody && ($data = json_decode($jsonBody, true))) {
if (is_array($data)) {
$model[$key] = $data;
} elseif (strlen($data)) {
ObsLog::commonLog(ERROR, "response body %s, and jsonToArray data is %s",$body, $data);
}
}
$closeBody = true;
} else {
$model[$key] = $body -> getContents();
$closeBody = true;
}
}
}
}
}finally {
if($closeBody && $body !== null){
$body -> close();
}
}
}
private function writeFile($filePath, StreamInterface &$body, $contentLength)
{
$filePath = iconv('UTF-8', 'GBK', $filePath);
if(is_string($filePath) && $filePath !== '')
{
$fp = null;
$dir = dirname($filePath);
try{
if(!is_dir($dir))
{
mkdir($dir,0755,true);
}
if(($fp = fopen($filePath, 'w')))
{
while(!$body->eof())
{
$str = $body->read($this->chunkSize);
fwrite($fp, $str);
}
fflush($fp);
ObsLog::commonLog(DEBUG, "write file %s ok",$filePath);
}
else{
ObsLog::commonLog(ERROR, "open file error,file path:%s",$filePath);
}
}finally{
if($fp){
fclose($fp);
}
$body->close();
$body = null;
}
}
}
private function parseXmlToException($body, $obsException){
try{
$xmlErrorBody = trim($body -> getContents());
if($xmlErrorBody && ($xml = simplexml_load_string($xmlErrorBody))){
$prefix = $this->getXpathPrefix($xml);
if ($tempXml = $xml->xpath('//'.$prefix . 'Code')) {
$obsException-> setExceptionCode(strval($tempXml[0]));
}
if ($tempXml = $xml->xpath('//'.$prefix . 'RequestId')) {
$obsException-> setRequestId(strval($tempXml[0]));
}
if ($tempXml = $xml->xpath('//'.$prefix . 'Message')) {
$obsException-> setExceptionMessage(strval($tempXml[0]));
}
if ($tempXml = $xml->xpath('//'.$prefix . 'HostId')) {
$obsException -> setHostId(strval($tempXml[0]));
}
}
}finally{
$body -> close();
}
}
private function parseJsonToException($body, $obsException) {
try {
$jsonErrorBody = trim($body -> getContents());
if ($jsonErrorBody && ($data = json_decode($jsonErrorBody, true))) {
if (is_array($data)) {
if ($data['request_id']) {
$obsException -> setRequestId(strval($data['request_id']));
}
if ($data['code']) {
$obsException -> setExceptionCode(strval($data['code']));
}
if ($data['message']) {
$obsException -> setExceptionMessage(strval($data['message']));
}
} elseif (strlen($data)) {
ObsLog::commonLog(ERROR, "response body %s, and jsonToArray data is %s",$body, $data);
$obsException-> setExceptionMessage("Invalid response data,since it is not json data");
}
}
} finally {
$body -> close();
}
}
private function parseJsonToModel($body, $model) {
try{
$jsonErrorBody = trim($body -> getContents());
if ($jsonErrorBody && ($jsonArray = json_decode($jsonErrorBody, true))) {
if (is_array($jsonArray)) {
if ($jsonArray['request_id']) {
$model['RequestId'] = strval($jsonArray['request_id']);
}
if ($jsonArray['code']) {
$model['Code'] = strval($jsonArray['code']);
}
if ($jsonArray['message']) {
$model['Message'] = strval($jsonArray['message']);
}
} elseif (strlen($jsonArray)) {
ObsLog::commonLog(ERROR, "response body %s, and jsonToArray data is %s",$body, $jsonArray);
$model['Message'] = "Invalid response data,since it is not json data";
}
}
} finally {
$body -> close();
}
}
private function parseXmlToModel($body, $model){
try{
$xmlErrorBody = trim($body -> getContents());
if($xmlErrorBody && ($xml = simplexml_load_string($xmlErrorBody))){
$prefix = $this->getXpathPrefix($xml);
if ($tempXml = $xml->xpath('//'.$prefix . 'Code')) {
$model['Code'] = strval($tempXml[0]);
}
if ($tempXml = $xml->xpath('//'.$prefix . 'RequestId')) {
$model['RequestId'] = strval($tempXml[0]);
}
if ($tempXml = $xml->xpath('//'.$prefix . 'HostId')) {
$model['HostId'] = strval($tempXml[0]);
}
if ($tempXml = $xml->xpath('//'.$prefix . 'Resource')) {
$model['Resource'] = strval($tempXml[0]);
}
if ($tempXml = $xml->xpath('//'.$prefix . 'Message')) {
$model['Message'] = strval($tempXml[0]);
}
}
}finally {
$body -> close();
}
}
protected function parseResponse(Model $model, Request $request, Response $response, array $requestConfig)
{
$statusCode = $response -> getStatusCode();
$expectedLength = $response -> getHeaderLine('content-length');
$responseContentType = $response -> getHeaderLine('content-type');
$expectedLength = is_numeric($expectedLength) ? floatval($expectedLength) : null;
$body = new CheckoutStream($response->getBody(), $expectedLength);
if($statusCode >= 300){
if($this-> exceptionResponseMode){
$obsException= new ObsException();
$obsException-> setRequest($request);
$obsException-> setResponse($response);
$obsException-> setExceptionType($this->isClientError($response) ? 'client' : 'server');
if ($responseContentType === 'application/json') {
$this->parseJsonToException($body, $obsException);
} else {
$this->parseXmlToException($body, $obsException);
}
throw $obsException;
}else{
$this->parseCommonHeaders($model, $response);
if ($responseContentType === 'application/json') {
$this->parseJsonToModel($body, $model);
} else {
$this->parseXmlToModel($body, $model);
}
}
}else{
if(!empty($model)){
foreach ($model as $key => $value){
if($key === 'method'){
continue;
}
if(isset($value['type']) && $value['type'] === 'file'){
$this->writeFile($value['value'], $body, $expectedLength);
}
$model[$key] = $value['value'];
}
}
if(isset($requestConfig['responseParameters'])){
$responseParameters = $requestConfig['responseParameters'];
if(isset($responseParameters['type']) && $responseParameters['type'] === 'object'){
$responseParameters = $responseParameters['properties'];
}
$this->parseItems($responseParameters, $model, $response, $body);
}
}
$model['HttpStatusCode'] = $statusCode;
$model['Reason'] = $response -> getReasonPhrase();
}
protected function getXpathPrefix($xml)
{
$namespaces = $xml -> getDocNamespaces();
if (isset($namespaces[''])) {
$xml->registerXPathNamespace('ns', $namespaces['']);
$prefix = 'ns:';
} else {
$prefix = '';
}
return $prefix;
}
protected function buildException(Request $request, RequestException $exception, $message)
{
$response = $exception-> hasResponse() ? $exception-> getResponse() : null;
$obsException= new ObsException($message ? $message : $exception-> getMessage());
$obsException-> setExceptionType('client');
$obsException-> setRequest($request);
if($response){
$obsException-> setResponse($response);
$obsException-> setExceptionType($this->isClientError($response) ? 'client' : 'server');
if ($this->isJsonResponse($response)) {
$this->parseJsonToException($response -> getBody(), $obsException);
} else {
$this->parseXmlToException($response -> getBody(), $obsException);
}
if ($obsException->getRequestId() === null) {
$prefix = strcasecmp($this->signature, 'obs' ) === 0 ? 'x-obs-' : 'x-amz-';
$requestId = $response->getHeaderLine($prefix . 'request-id');
$obsException->setRequestId($requestId);
}
}
return $obsException;
}
protected function parseExceptionAsync(Request $request, RequestException $exception, $message=null)
{
return $this->buildException($request, $exception, $message);
}
protected function parseException(Model $model, Request $request, RequestException $exception, $message=null)
{
$response = $exception-> hasResponse() ? $exception-> getResponse() : null;
if($this-> exceptionResponseMode){
throw $this->buildException($request, $exception, $message);
}else{
if($response){
$model['HttpStatusCode'] = $response -> getStatusCode();
$model['Reason'] = $response -> getReasonPhrase();
$this->parseXmlToModel($response -> getBody(), $model);
}else{
$model['HttpStatusCode'] = -1;
$model['Message'] = $exception -> getMessage();
}
}
}
}