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