增加存储服务

extend/icloud/src/auth/UpYunAuth.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2019/1/26
+ * Time: 10:31
+ */
+namespace thinking\icloud\auth;
+
+class UpYunAuth
+{
+    /**
+     * 签名
+     *
+     * @time at 2019年01月26日
+     * @param string $uri
+     * @param string $method
+     * @param string $contentMD5
+     * @return array
+     */
+    public static function authorization(string $uri, string $method,  string $contentMD5= '')
+    {
+        $date = gmdate('D, d M Y H:i:s \G\M\T');
+
+        $singArr = [$method, parse_url($uri)['path'], $date];
+        if ($contentMD5) $singArr[] = $contentMD5;
+        $sign = base64_encode(hash_hmac('sha1', implode('&', $singArr), md5(config('cloud.upyun.password')), true));
+
+        return [
+            'Authorization' => sprintf('UPYUN %s:%s', config('cloud.upyun.opreator'), $sign),
+            'Date'          => $date,
+        ];
+    }
+
+
+    /**
+     * 获取 token
+     *
+     * @time at 2019年01月26日
+     * @param string $method
+     * @param int $expire
+     * @param string $uriPrefix
+     * @param string $uriPostfix
+     * @return string
+     */
+    public static function uploadToken(string $method, int $expire = 3888000, string $uriPrefix = '', string $uriPostfix= '')
+    {
+        $operator = config('cloud.upyun.opreator');
+        $password = config('cloud.upyun.password');
+
+        $tokenArr = [$operator, $password, $method, $expire];
+
+        if ($uriPrefix) $tokenArr[]  = $uriPrefix;
+        if ($uriPostfix) $tokenArr[] = $uriPostfix;
+
+        $token = base64_encode(hash_hmac('sha1',implode('&', $tokenArr) , $password, true));
+
+        return sprintf('UPYUN %s:%s', $operator, $token);
+    }
+}