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<?php |
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class AliyunClient |
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{ |
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public $accessKeyId; |
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public $accessKeySecret; |
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public $serverUrl = "http://ecs.aliyuncs.com/"; |
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public $format = "json"; |
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public $connectTimeout = 3000;//3秒 |
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public $readTimeout = 80000;//80秒 |
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/** 是否打开入参check**/ |
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public $checkRequest = true; |
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protected $signatureMethod = "HMAC-SHA1"; |
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protected $signatureVersion = "1.0"; |
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protected $dateTimeFormat = 'Y-m-d\TH:i:s\Z'; // ISO8601规范 |
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protected $sdkVersion = "1.0"; |
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public function execute($request) |
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{ |
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if($this->checkRequest) { |
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try { |
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$request->check(); |
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} catch (Exception $e) { |
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$result->code = $e->getCode(); |
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$result->message = $e->getMessage(); |
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return $result; |
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} |
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} |
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//获取业务参数 |
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$apiParams = $request->getApiParas(); |
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//组装系统参数 |
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$apiParams["AccessKeyId"] = $this->accessKeyId; |
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$apiParams["Format"] = $this->format;// |
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$apiParams["SignatureMethod"] = $this->signatureMethod; |
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$apiParams["SignatureVersion"] = $this->signatureVersion; |
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$apiParams["SignatureNonce"] = uniqid(); |
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date_default_timezone_set("GMT"); |
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$apiParams["TimeStamp"] = date($this->dateTimeFormat); |
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$apiParams["partner_id"] = $this->sdkVersion; |
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$apiNameArray = split("\.", $request->getApiMethodName()); |
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$apiParams["Action"] = $apiNameArray[3]; |
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$apiParams["Version"] = $apiNameArray[4]; |
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//签名 |
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$apiParams["Signature"] = $this->computeSignature($apiParams, $this->accessKeySecret); |
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//系统参数放入GET请求串 |
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$requestUrl = rtrim($this->serverUrl,"/") . "/?"; |
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foreach ($apiParams as $apiParamKey => $apiParamValue) |
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{ |
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$requestUrl .= "$apiParamKey=" . urlencode($apiParamValue) . "&"; |
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} |
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$requestUrl = substr($requestUrl, 0, -1); |
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//发起HTTP请求 |
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try |
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{ |
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$resp = $this->curl($requestUrl, null); |
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} |
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catch (Exception $e) |
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{ |
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$this->logCommunicationError($apiParams["Action"],$requestUrl,"HTTP_ERROR_" . $e->getCode(),$e->getMessage()); |
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if ("json" == $this->format) |
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{ |
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return json_decode($e->getMessage()); |
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} |
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else if("xml" == $this->format) |
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{ |
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return @simplexml_load_string($e->getMessage()); |
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} |
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} |
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//解析API返回结果 |
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$respWellFormed = false; |
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if ("json" == $this->format) |
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{ |
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$respObject = json_decode($resp); |
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if (null !== $respObject) |
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{ |
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$respWellFormed = true; |
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} |
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} |
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else if("xml" == $this->format) |
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{ |
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$respObject = @simplexml_load_string($resp); |
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if (false !== $respObject) |
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{ |
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$respWellFormed = true; |
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} |
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} |
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//返回的HTTP文本不是标准JSON或者XML，记下错误日志 |
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if (false === $respWellFormed) |
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{ |
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$this->logCommunicationError($apiParams["Action"],$requestUrl,"HTTP_RESPONSE_NOT_WELL_FORMED",$resp); |
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$result->code = 0; |
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$result->message = "HTTP_RESPONSE_NOT_WELL_FORMED"; |
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return $result; |
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} |
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//如果TOP返回了错误码，记录到业务错误日志中 |
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if (isset($respObject->code)) |
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{ |
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$logger = new LtLogger; |
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$logger->conf["log_file"] = rtrim(TOP_SDK_WORK_DIR, '\\/') . '/' . "logs/top_biz_err_" . $this->appkey . "_" . date("Y-m-d") . ".log"; |
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$logger->log(array( |
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date("Y-m-d H:i:s"), |
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$resp |
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)); |
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} |
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return $respObject; |
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} |
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public function exec($paramsArray) |
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{ |
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if (!isset($paramsArray["Action"])) |
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{ |
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trigger_error("No api name passed"); |
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} |
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$inflector = new LtInflector; |
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$inflector->conf["separator"] = "."; |
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$requestClassName = ucfirst($inflector->camelize(substr($paramsArray["Action"], 7))) . "Request"; |
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if (!class_exists($requestClassName)) |
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{ |
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trigger_error("No such api: " . $paramsArray["Action"]); |
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} |
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$req = new $requestClassName; |
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foreach($paramsArray as $paraKey => $paraValue) |
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{ |
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$inflector->conf["separator"] = "_"; |
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$setterMethodName = $inflector->camelize($paraKey); |
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$inflector->conf["separator"] = "."; |
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$setterMethodName = "set" . $inflector->camelize($setterMethodName); |
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if (method_exists($req, $setterMethodName)) |
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{ |
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$req->$setterMethodName($paraValue); |
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} |
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} |
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return $this->execute($req, $session); |
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} |
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protected function percentEncode($str) |
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{ |
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// 使用urlencode编码后，将"+","*","%7E"做替换即满足 API规定的编码规范 |
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$res = urlencode($str); |
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$res = preg_replace('/\+/', '%20', $res); |
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$res = preg_replace('/\*/', '%2A', $res); |
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$res = preg_replace('/%7E/', '~', $res); |
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return $res; |
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} |
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protected function computeSignature($parameters, $accessKeySecret) |
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{ |
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// 将参数Key按字典顺序排序 |
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ksort($parameters); |
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// 生成规范化请求字符串 |
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$canonicalizedQueryString = ''; |
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foreach($parameters as $key => $value) |
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{ |
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$canonicalizedQueryString .= '&' . $this->percentEncode($key) |
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. '=' . $this->percentEncode($value); |
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} |
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// 生成用于计算签名的字符串 stringToSign |
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$stringToSign = 'GET&%2F&' . $this->percentencode(substr($canonicalizedQueryString, 1)); |
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// 计算签名，注意accessKeySecret后面要加上字符'&' |
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$signature = base64_encode(hash_hmac('sha1', $stringToSign, $accessKeySecret . '&', true)); |
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return $signature; |
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} |
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public function curl($url, $postFields = null) |
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{ |
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$ch = curl_init(); |
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curl_setopt($ch, CURLOPT_URL, $url); |
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curl_setopt($ch, CURLOPT_FAILONERROR, false); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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if ($this->readTimeout) { |
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curl_setopt($ch, CURLOPT_TIMEOUT, $this->readTimeout); |
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} |
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if ($this->connectTimeout) { |
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->connectTimeout); |
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} |
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//https 请求 |
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if(strlen($url) > 5 && strtolower(substr($url,0,5)) == "https" ) { |
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); |
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} |
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if (is_array($postFields) && 0 < count($postFields)) |
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{ |
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$postBodyString = ""; |
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$postMultipart = false; |
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foreach ($postFields as $k => $v) |
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{ |
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if("@" != substr($v, 0, 1))//判断是不是文件上传 |
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{ |
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$postBodyString .= "$k=" . urlencode($v) . "&"; |
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} |
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else//文件上传用multipart/form-data，否则用www-form-urlencoded |
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{ |
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$postMultipart = true; |
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} |
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} |
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unset($k, $v); |
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curl_setopt($ch, CURLOPT_POST, true); |
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if ($postMultipart) |
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{ |
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curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); |
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} |
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else |
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{ |
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curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString,0,-1)); |
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} |
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} |
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$reponse = curl_exec($ch); |
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if (curl_errno($ch)) |
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{ |
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throw new Exception(curl_error($ch),0); |
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} |
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curl_close($ch); |
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return $reponse; |
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} |
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protected function logCommunicationError($apiName, $requestUrl, $errorCode, $responseTxt) |
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{ |
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$localIp = isset($_SERVER["SERVER_ADDR"]) ? $_SERVER["SERVER_ADDR"] : "CLI"; |
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$logger = new LtLogger; |
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$logger->conf["log_file"] = rtrim(TOP_SDK_WORK_DIR, '\\/') . '/' . "logs/top_comm_err_" . $this->accessKeyId . "_" . date("Y-m-d") . ".log"; |
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$logger->conf["separator"] = "^_^"; |
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$logData = array( |
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date("Y-m-d H:i:s"), |
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$apiName, |
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$this->accessKeyId, |
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$localIp, |
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PHP_OS, |
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$this->sdkVersion, |
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$requestUrl, |
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$errorCode, |
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str_replace("\n","",$responseTxt) |
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); |
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$logger->log($logData); |
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} |
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255
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} |
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256
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GC0202 /
ThinkLibrary
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