88 lines
2.7 KiB
PHP
88 lines
2.7 KiB
PHP
<?php
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/**
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* AKSRT SMS Signature Helper — 阿里云 API 签名助手
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*
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* 对齐 zibll 的 SignatureHelper 实现：POST 方式 + HMAC-SHA1 签名。
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*
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* @package AKSRT
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* @link https://help.aliyun.com/document_detail/31426.html
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*/
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defined('ABSPATH') || exit;
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class AKSRT_SMS_Signature_Helper {
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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 string $accessKeyId AccessKeyId
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* @param string $accessKeySecret AccessKeySecret
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* @param string $domain API 域名
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* @param array $params API 参数
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* @param bool $https 是否使用 HTTPS
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* @return array|WP_Error
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*/
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public function request(string $accessKeyId, string $accessKeySecret, string $domain, array $params, bool $https = true) {
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$apiParams = array_merge([
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'SignatureMethod' => 'HMAC-SHA1',
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'SignatureNonce' => uniqid((string) 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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$sortedQueryString = '';
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foreach ($apiParams as $key => $value) {
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$sortedQueryString .= '&' . $this->encode($key) . '=' . $this->encode((string) $value);
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}
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$stringToSign = 'POST&%2F&' . $this->encode(substr($sortedQueryString, 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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$url = ($https ? 'https' : 'http') . "://{$domain}/";
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$body = "Signature={$signature}{$sortedQueryString}";
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return $this->fetchContent($url, $body);
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}
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/**
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* URL 编码（对齐阿里云规范）
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*/
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private function encode(string $str): string {
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$res = rawurlencode($str);
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$res = str_replace('+', '%20', $res);
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$res = str_replace('*', '%2A', $res);
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$res = str_replace('%7E', '~', $res);
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return $res;
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}
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/**
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* 发送 HTTP POST 请求
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*
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* @return array|WP_Error
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*/
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private function fetchContent(string $url, string $body) {
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$response = wp_remote_post($url, [
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'timeout' => 10,
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'headers' => [
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'Content-Type' => 'application/x-www-form-urlencoded',
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'x-sdk-client' => 'php/2.0.0',
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],
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'body' => $body,
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]);
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if (is_wp_error($response)) {
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return $response;
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}
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$content = wp_remote_retrieve_body($response);
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$decoded = json_decode($content, true);
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return is_array($decoded) ? $decoded : ['raw' => $content];
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}
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}
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