86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
<?php
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namespace Org\Aliyun;
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/**
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* 签名助手 2017/11/19
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*
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* Class SignatureHelper
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*/
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class SignatureHelper {
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/**
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* 生成签名并发起请求
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*
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* @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/)
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* @param $accessKeySecret string AccessKeySecret
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* @param $domain string API接口所在域名
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* @param $params array API具体参数
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* @param $security boolean 使用https
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* @return bool|\stdClass 返回API接口调用结果，当发生错误时返回false
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*/
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public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false) {
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$apiParams = array_merge(array (
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"SignatureMethod" => "HMAC-SHA1",
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"SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
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"SignatureVersion" => "1.0",
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"AccessKeyId" => $accessKeyId,
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"Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
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"Format" => "JSON",
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), $params);
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ksort($apiParams);
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$sortedQueryStringTmp = "";
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foreach ($apiParams as $key => $value) {
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$sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value);
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}
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$stringToSign = "GET&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1));
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$sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));
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$signature = $this->encode($sign);
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$url = ($security ? 'https' : 'http')."://{$domain}/?Signature={$signature}{$sortedQueryStringTmp}";
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try {
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$content = $this->fetchContent($url);
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return json_decode($content);
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} catch( \Exception $e) {
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return false;
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}
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}
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private function encode($str)
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{
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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 $res;
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}
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private function fetchContent($url) {
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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_TIMEOUT, 5);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_HTTPHEADER, array(
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"x-sdk-client" => "php/2.0.0"
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));
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if(substr($url, 0,5) == 'https') {
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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}
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$rtn = curl_exec($ch);
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if($rtn === false) {
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trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
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}
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curl_close($ch);
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return $rtn;
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}
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} |