mirror of
https://github.com/crmeb/CRMEB.git
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96 lines
3.4 KiB
PHP
96 lines
3.4 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2026 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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namespace crmeb\services\printer;
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use GuzzleHttp\Client;
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use GuzzleHttp\ClientInterface;
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use GuzzleHttp\Exception\GuzzleException;
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use think\facade\Log;
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/**
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* 打印机专用的安全 HTTP 传输
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*/
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class PrinterHttp
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{
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/** @var ClientInterface 校验证书的请求客户端 */
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protected ClientInterface $httpClient;
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/**
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* 初始化打印请求客户端
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* @param ClientInterface|null $httpClient 请求客户端
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* @return void
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*/
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public function __construct(?ClientInterface $httpClient = null)
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{
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$this->httpClient = $httpClient ?? new Client();
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}
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/**
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* 发送有界的 HTTPS 表单请求
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* @param string $url 打印服务接口
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* @param array $data 表单数据
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* @param array|false $header 请求头
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* @param int $timeout 请求超时秒数
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* @return string|false
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*/
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public function postRequest(string $url, array $data = [], array|false $header = false, int $timeout = 10)
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{
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$parts = parse_url($url);
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if (!is_array($parts) || ($parts['scheme'] ?? '') !== 'https' || empty($parts['host'])
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|| isset($parts['user']) || isset($parts['pass']) || isset($parts['fragment'])) {
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return false;
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}
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$timeout = max(1, min(30, $timeout));
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try {
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$response = $this->httpClient->request('POST', $url, [
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'form_params' => $data,
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'headers' => $header === false ? [] : $header,
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'verify' => true,
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'allow_redirects' => false,
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'http_errors' => false,
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'connect_timeout' => min(5, $timeout),
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'timeout' => $timeout,
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'version' => 1.1,
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]);
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if ($response->getStatusCode() !== 200) {
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Log::error('打印服务 HTTP 请求失败，状态码：' . $response->getStatusCode());
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return false;
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}
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return (string)$response->getBody();
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} catch (GuzzleException $e) {
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// HTTP 异常可能携带凭据、token 和小票内容，只记录异常类型。
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Log::error('打印服务 HTTP 请求失败，异常类型：' . get_class($e));
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return false;
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}
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}
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/**
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* 解析打印服务返回的非空 JSON 对象
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* @param string|false $response 接口响应
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* @return array|null
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*/
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public function decodeResponse($response): ?array
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{
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if (!is_string($response) || $response === '') {
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return null;
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}
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try {
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$decoded = json_decode($response, true, 512, JSON_THROW_ON_ERROR);
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} catch (\JsonException $e) {
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Log::warning('打印服务返回无效 JSON');
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return null;
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}
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return is_array($decoded) && !array_is_list($decoded) ? $decoded : null;
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}
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}
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