新增http客户端

extend/catcher/library/Http.php

@@ -0,0 +1,84 @@
+<?php
+namespace catcher\library;
+
+use catcher\CatchAdmin;
+use catcher\exceptions\FailedException;
+use GuzzleHttp\Client;
+use GuzzleHttp\TransferStats;
+use Psr\Http\Message\ResponseInterface;
+use function GuzzleHttp\Psr7\stream_for;
+
+class Http
+{
+    protected $auth = [];
+
+    protected $proxy = [];
+
+    /**
+     * download
+     *
+     * @time 2020年04月30日
+     * @param $remoteUrl
+     * @param $filePath
+     * @return mixed
+     */
+    public function download($remoteUrl, $filePath = null)
+    {
+        try {
+
+            $params = [
+                'timeout' => 5, // 请求超时时间
+                'on_headers' => function (ResponseInterface $response) {
+                    $response->getHeader('Content-Length');
+                },
+                'on_stats' => function (TransferStats $stats) {
+                },
+            ];
+
+            if (!empty($this->auth)) {
+                $params['auth'] = $this->auth;
+            }
+
+            if (!empty($proxy)) {
+                $params['proxy'] = $this->proxy;
+            }
+
+            if ($filePath) {
+                $resource = fopen($filePath, 'w+');
+
+                $stream = stream_for($resource);
+
+                $params['save_to'] = $stream;
+            }
+
+           return (new Client())->request('get', $remoteUrl, $params);
+        } catch (\Exception $e) {
+            throw new FailedException($e->getMessage());
+        }
+
+        return $filePath;
+    }
+
+    /**
+     * 认证
+     *
+     * @time 2020年04月30日
+     * @param $username
+     * @param $password
+     * @return $this
+     */
+    public function auth($username, $password)
+    {
+        $this->auth = [$username, $password];
+
+        return $this;
+    }
+
+
+    public function proxy(array $proxy)
+    {
+        $this->proxy = $proxy;
+
+        return $this;
+    }
+}