feat: 新增阿里 oss 上传组件

modules/Common/Support/Upload/OssUpload.php

@@ -0,0 +1,101 @@
+<?php
+namespace Modules\Common\Support\Upload;
+
+class OssUpload
+{
+    /**
+     * @var string
+     */
+    protected string $dir = 'upload/';
+
+    /**
+     * @var int
+     */
+    protected int $expire = 30;
+
+    protected string $accessKeyId;
+
+    protected string $accessKeySecret;
+
+    protected string $endpoint;
+
+    protected int $maxSize;
+
+    protected string $bucket;
+
+    public function __construct()
+    {
+        $this->accessKeySecret = config('common.upload.oss.access_secret');
+
+        $this->accessKeyId = config('common.upload.oss.access_id');
+
+        $this->dir = date('Y-m-d') . '/';
+
+        $this->endpoint = config('common.upload.oss.endpoint');
+
+        $this->maxSize = config('common.upload.max_size');
+
+        $this->bucket = config('common.upload.oss.bucket');
+    }
+
+    /**
+     * config
+     *
+     * @return array
+     */
+    public function config(): array
+    {
+        return [
+            'bucket' => $this->bucket,
+
+            'accessKeyId' => $this->accessKeyId,
+
+            'host' => sprintf('https://%s.%s', $this->bucket, $this->endpoint),
+
+            'policy' => $this->policy(),
+
+            'signature' => $this->signature(),
+
+            'expire' => $this->getExpiration(),
+
+            'dir' => $this->dir,
+
+            'url' => $this->endpoint . $this->dir
+        ];
+    }
+
+    /**
+     *
+     * @return string
+     */
+    protected function policy(): string
+    {
+        return base64_encode(json_encode([
+           'expiration' => $this->getExpiration(),
+           'conditions' => [
+               ['starts-with', '$key', $this->dir],
+               ['content-length-range', 0, $this->maxSize]
+           ]
+        ]));
+    }
+
+    /**
+     *
+     * @return string
+     */
+    protected function signature(): string
+    {
+        return base64_encode(
+            \hash_hmac('sha1', $this->policy(), $this->accessKeySecret, true)
+        );
+    }
+
+    /**
+     *
+     * @return string
+     */
+    protected function getExpiration(): string
+    {
+        return date('Y-m-d\TH:i:s\Z', time() + $this->expire);
+    }
+}