Add Refreshing plugin for AliCDN (#62)

Co-authored-by: Pig Fang <[email protected]>

refresh-ali-cdn/README.md

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+# refresh-ali-cdn
+
+这个插件可以在用户更新其角色信息时，自动通过阿里云 API 发出缓存刷新请求。
+
+## 配置
+
+本插件无配置页面。所有的配置在 `.env` 文件中完成。有以下 3 个配置项：
+
+- `ALICDN_SITE_BASE_URL` - 您的阿里云 CDN 的基础 URL，**不能** 以斜杠结尾。
+- `ALICDN_ACCESSKEY_ID` - 您的阿里云账户的 AccessKeyId。
+- `ALICDN_ACCESSKEY_SECRET` - 您的阿里云账户的 AccessKeySecret。
+
+**若使用子账号 请注意RAM鉴权。**
+
+## License
+
+MIT License (c) 2020-present hank9999

refresh-ali-cdn/bootstrap.php

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+<?php
+
+use Illuminate\Contracts\Events\Dispatcher;
+
+return function (Dispatcher $events) {
+    $events->listen(App\Events\PlayerProfileUpdated::class, function ($event) {
+        // 获取配置
+        $baseUrl = env('ALICDN_SITE_BASE_URL');
+        $accessKeyId = env('ALICDN_ACCESSKEY_ID');
+        $accessKeySecret = env('ALICDN_ACCESSKEY_SECRET');
+
+        // 检测插件
+        $usm = plugin('usm-api');
+        $legacy = plugin('legacy-api');
+        $yggdrasil = plugin('yggdrasil-api');
+
+        $name = $event->player->name;
+        $urls = [
+            $baseUrl.'/'.$name.'.json',
+            $baseUrl.'/csl/'.$name.'.json',
+        ];
+
+        if (isset($usm) && $usm->isEnabled()) {
+            $urls[] = $baseUrl.'/usm/'.$name.'.json';
+        }
+
+        if (isset($legacy) && $legacy->isEnabled()) {
+            array_push(
+                $urls,
+                $baseUrl.'/skin/'.$name.'.png',
+                $baseUrl.'/cape/'.$name.'.png'
+            );
+        }
+
+        if (isset($yggdrasil) && $yggdrasil->isEnabled()) {
+            $uuid = DB::table('uuid')->where('name', $name)->value('uuid');
+            array_push(
+                $urls,
+                $baseUrl.'/api/yggdrasil/sessionserver/session/minecraft/profile/'.$uuid,
+                $baseUrl.'/api/yggdrasil/sessionserver/session/minecraft/profile/'.$uuid.'?unsigned=false',
+                $baseUrl.'/api/yggdrasil/sessionserver/session/minecraft/profile/'.$uuid.'?unsigned=true'
+            );
+        }
+
+        $needRefreshUrl = '';
+
+        // 构建需要刷新 URL 链接
+        foreach ($urls as $k => $v) {
+            if ($k === (sizeof($urls) - 1)) {
+                $needRefreshUrl = $needRefreshUrl.$v;
+            } else {
+                $needRefreshUrl = $needRefreshUrl.$v.'\n';
+            }
+        }
+
+        // API 请求 Query 数组
+        $apiQuery = [
+            'Action' => 'RefreshObjectCaches',
+            'ObjectPath' => $needRefreshUrl,
+            'ObjectType' => 'File',
+            'Format' => 'JSON',
+            'Version' => '2018-05-10',
+            'AccessKeyId' => $accessKeyId,
+            'SignatureMethod' => 'HMAC-SHA1',
+            'SignatureNonce' => bin2hex(random_bytes(16)),
+            'SignatureVersion' => '1.0',
+            'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
+        ];
+
+        // 构造规范化请求字符串
+        ksort($apiQuery);
+        $canonicalizedQueryString = '';
+        foreach ($apiQuery as $key => $value) {
+            $k = urlencode($key);
+            $v = urlencode($value);
+            // 加号（+）替换为 %20、星号（*）替换为 %2A、%7E 替换为波浪号（~）
+            $k = preg_replace('/\+/', '%20', $k);
+            $k = preg_replace('/\*/', '%2A', $k);
+            $k = preg_replace('/%7E/', '~', $k);
+            $v = preg_replace('/\+/', '%20', $v);
+            $v = preg_replace('/\*/', '%2A', $v);
+            $v = preg_replace('/%7E/', '~', $v);
+            $canonicalizedQueryString .= ('&'.$k.'='.$v);
+        }
+
+        // 构造签名字符串
+        $signText = urlencode(substr($canonicalizedQueryString, 1));
+        // 加号（+）替换为 %20、星号（*）替换为 %2A、%7E 替换为波浪号（~）
+        $signText = preg_replace('/\+/', '%20', $signText);
+        $signText = preg_replace('/\*/', '%2A', $signText);
+        $signText = preg_replace('/%7E/', '~', $signText);
+        $stringToSign = 'GET&%2F&'.$signText;
+        $signature = base64_encode(hash_hmac('sha1', $stringToSign, ($accessKeySecret.'&'), true));
+
+        // URL 拼接
+        $apiQuery['Signature'] = $signature;
+        $requestUrl = 'https://cdn.aliyuncs.com/?'.http_build_query($apiQuery);
+
+        // 发出请求
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $requestUrl);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        curl_exec($ch);
+    });
+};

refresh-ali-cdn/package.json

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+{
+  "name": "refresh-ali-cdn",
+  "version": "1.0.0",
+  "title": "刷新阿里云 CDN",
+  "description": "当角色信息被更新时，自动刷新阿里云 CDN 中的 JSON Profile。",
+  "author": "hank9999",
+  "namespace": "Hank9999\\RefreshAliCdn",
+  "require": {
+    "blessing-skin-server": "^5.0.0"
+  },
+  "enchants": {
+    "icon": {
+      "fa": "fire",
+      "bg": "lime"
+    }
+  }
+}