Initial commit

2021-04-18 18:51:51 +08:00
commit ec705f2fa8
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+<?php
+
+namespace Org\Aliyun;
+
+/**
+ * 签名助手 2017/11/19
+ *
+ * Class SignatureHelper
+ */
+class SignatureHelper {
+
+    /**
+     * 生成签名并发起请求
+     *
+     * @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/)
+     * @param $accessKeySecret string AccessKeySecret
+     * @param $domain string API接口所在域名
+     * @param $params array API具体参数
+     * @param $security boolean 使用https
+     * @return bool|\stdClass 返回API接口调用结果，当发生错误时返回false
+     */
+    public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false) {
+        $apiParams = array_merge(array (
+            "SignatureMethod" => "HMAC-SHA1",
+            "SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
+            "SignatureVersion" => "1.0",
+            "AccessKeyId" => $accessKeyId,
+            "Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
+            "Format" => "JSON",
+        ), $params);
+        ksort($apiParams);
+
+        $sortedQueryStringTmp = "";
+        foreach ($apiParams as $key => $value) {
+            $sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value);
+        }
+
+        $stringToSign = "GET&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1));
+
+        $sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));
+
+        $signature = $this->encode($sign);
+
+        $url = ($security ? 'https' : 'http')."://{$domain}/?Signature={$signature}{$sortedQueryStringTmp}";
+
+        try {
+            $content = $this->fetchContent($url);
+            return json_decode($content);
+        } catch( \Exception $e) {
+            return false;
+        }
+    }
+
+    private function encode($str)
+    {
+        $res = urlencode($str);
+        $res = preg_replace("/\+/", "%20", $res);
+        $res = preg_replace("/\*/", "%2A", $res);
+        $res = preg_replace("/%7E/", "~", $res);
+        return $res;
+    }
+
+    private function fetchContent($url) {
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+            "x-sdk-client" => "php/2.0.0"
+        ));
+
+        if(substr($url, 0,5) == 'https') {
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        }
+
+        $rtn = curl_exec($ch);
+
+        if($rtn === false) {
+            trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
+        }
+        curl_close($ch);
+
+        return $rtn;
+    }
+}