492 lines
20 KiB
PHP
492 lines
20 KiB
PHP
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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\Exception\RequestException;
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use GuzzleHttp\Psr7\Request;
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use GuzzleHttp\Psr7\Response;
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use Obs\Internal\Common\CheckoutStream;
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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 Obs\ObsException;
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use Psr\Http\Message\StreamInterface;
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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'] : $items['name'];
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$newSearchPath = $searchPath . '/' . $prefix . $pkey;
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} else {
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$pkey = $key;
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$newSearchPath = $searchPath;
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}
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$result = $xml->xpath($newSearchPath);
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if ($result && is_array($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(
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'//' . $subPrefix . $pkey,
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$pkey,
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$items,
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$subXml,
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$subPrefix
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);
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}
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}
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return $array;
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} elseif ($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] = $this->parseXmlByType(
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$searchPath . '/' . $prefix . $name,
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$name,
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$pvalue,
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$xml,
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$prefix
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);
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}
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return $array;
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} else {
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// nothing handle
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}
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}
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if ($result = $xml->xpath($searchPath)) {
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if ($type === 'boolean') {
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return strval($result[0]) !== 'false';
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} elseif ($type === 'numeric' || $type === 'float') {
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return floatval($result[0]);
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} elseif ($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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} elseif ($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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{
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return $response->getHeaderLine('content-type') === 'application/json';
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}
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private function parseCommonHeaders($model, $response)
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{
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$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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} elseif ($type === 'numeric' || $type === 'float') {
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$model[$key] = floatval($response->getHeaderLine($name));
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$isSet = true;
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} elseif ($type === 'int' || $type === 'integer') {
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$model[$key] = intval($response->getHeaderLine($name));
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$isSet = true;
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} else {
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// nothing handle
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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($name));
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}
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} elseif ($location === 'xml' && $body !== null) {
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if (!isset($xml)) {
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$xml = simplexml_load_string($body->getContents());
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if ($xml) {
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$prefix = $this->getXpathPrefix($xml);
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}
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}
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$closeBody = true;
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$model[$key] = $this->parseXmlByType(null, $key, $value, $xml, $prefix);
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} elseif ($location === 'body' && $body !== null) {
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if (isset($value['type']) && $value['type'] === 'stream') {
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$model[$key] = $body;
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} elseif (isset($value['type']) && $value['type'] === 'json') {
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$jsonBody = trim($body->getContents());
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$data = json_decode($jsonBody, true);
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if ($jsonBody && $data) {
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if (is_array($data)) {
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$model[$key] = $data;
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} elseif (strlen($data)) {
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ObsLog::commonLog(
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ERROR,
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"response body %s, and jsonToArray data is %s",
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$body,
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$data
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);
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} else {
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// nothing handle
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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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} else {
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// nothing handle
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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)
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{
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$filePath = iconv('UTF-8', 'GBK', $filePath);
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if (is_string($filePath) && $filePath !== '') {
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$fp = null;
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$dir = dirname($filePath);
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try {
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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if ($fp = fopen($filePath, 'w')) {
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while (!$body->eof()) {
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$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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} 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, $obsException)
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{
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try {
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$xmlErrorBody = trim($body->getContents());
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if ($xmlErrorBody) {
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$xml = simplexml_load_string($xmlErrorBody);
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if ($xml) {
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$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($tempXml[0]));
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}
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}
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}
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} finally {
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$body->close();
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}
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}
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private function parseJsonToException($body, $obsException)
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{
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try {
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$jsonErrorBody = trim($body->getContents());
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if ($jsonErrorBody) {
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$data = json_decode($jsonErrorBody, true);
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if ($data && is_array($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($data['message']));
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}
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} elseif ($data && 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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} else {
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// nothing handle
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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, $model)
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{
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try {
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$jsonErrorBody = trim($body->getContents());
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if ($jsonErrorBody) {
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$jsonArray = json_decode($jsonErrorBody, true);
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if ($jsonArray && is_array($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($jsonArray['message']);
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}
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} elseif ($jsonArray && 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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} else {
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// nothing handle
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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, $model)
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{
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try {
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$xmlErrorBody = trim($body->getContents());
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$xml = simplexml_load_string($xmlErrorBody);
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if ($xmlErrorBody && $xml) {
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$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]);
|
|||
|
|
}
|
|||
|
|
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);
|
|||
|
|
}
|
|||
|
|
$model[$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();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|