<?php
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namespace addons\alioss\controller;
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use app\common\exception\UploadException;
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use app\common\library\Upload;
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use app\common\model\Attachment;
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use OSS\Core\OssException;
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use OSS\OssClient;
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use think\addons\Controller;
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use think\Config;
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/**
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* 阿里OSS云储存
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*
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*/
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class Index extends Controller
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{
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public function _initialize()
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{
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//跨域检测
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check_cors_request();
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parent::_initialize();
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Config::set('default_return_type', 'json');
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}
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public function index()
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{
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Config::set('default_return_type', 'html');
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$this->error("当前插件暂无前台页面");
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}
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/**
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* 获取签名
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*/
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public function params()
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{
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$this->check();
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$name = $this->request->post('name');
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$md5 = $this->request->post('md5');
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$chunk = $this->request->post('chunk');
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$auth = new \addons\alioss\library\Auth();
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$params = $auth->params($name, $md5);
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$params['OSSAccessKeyId'] = $params['id'];
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$params['success_action_status'] = 200;
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$config = get_addon_config('alioss');
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if ($chunk) {
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$oss = new OssClient($config['accessKeyId'], $config['accessKeySecret'], $config['endpoint']);
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// 初始化
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$fileSize = $this->request->post('size');
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$chunkSize = $this->request->post('chunksize');
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$uploadId = $oss->initiateMultipartUpload($config['bucket'], $params['key']);
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$params['uploadId'] = $uploadId;
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$params['parts'] = $oss->generateMultiuploadParts($fileSize, $chunkSize);
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$params['partsAuthorization'] = [];
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$date = gmdate('D, d M Y H:i:s \G\M\T');
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foreach ($params['parts'] as $index => $part) {
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$partNumber = $index + 1;
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$signstr = "PUT\n\n\n{$date}\nx-oss-date:{$date}\n/{$config['bucket']}/{$params['key']}?partNumber={$partNumber}&uploadId={$uploadId}";
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$authorization = base64_encode(hash_hmac('sha1', $signstr, $config['accessKeySecret'], true));
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$params['partsAuthorization'][$index] = $authorization;
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}
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$params['date'] = $date;
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}
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$this->success('', null, $params);
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return;
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}
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/**
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* 服务器中转上传文件
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* 上传分片
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* 合并分片
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* @param bool $isApi
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*/
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public function upload($isApi = false)
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{
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if ($isApi === true) {
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if (!$this->auth->isLogin()) {
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$this->error("请登录后再进行操作");
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}
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} else {
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$this->check();
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}
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$config = get_addon_config('alioss');
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$oss = new OssClient($config['accessKeyId'], $config['accessKeySecret'], $config['endpoint']);
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//检测删除文件或附件
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$checkDeleteFile = function ($attachment, $upload, $force = false) use ($config) {
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//如果设定为不备份则删除文件和记录 或 强制删除
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if ((isset($config['serverbackup']) && !$config['serverbackup']) || $force) {
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if ($attachment && !empty($attachment['id'])) {
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$attachment->delete();
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}
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if ($upload) {
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//文件绝对路径
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$filePath = $upload->getFile()->getRealPath() ?: $upload->getFile()->getPathname();
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@unlink($filePath);
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}
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}
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};
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$chunkid = $this->request->post("chunkid");
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if ($chunkid) {
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$action = $this->request->post("action");
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$chunkindex = $this->request->post("chunkindex/d");
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$chunkcount = $this->request->post("chunkcount/d");
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$filesize = $this->request->post("filesize");
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$filename = $this->request->post("filename");
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$method = $this->request->method(true);
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$key = $this->request->post("key");
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$uploadId = $this->request->post("uploadId");
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if ($action == 'merge') {
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$attachment = null;
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$upload = null;
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//合并分片
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if ($config['uploadmode'] == 'server') {
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//合并分片文件
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try {
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$upload = new Upload();
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$attachment = $upload->merge($chunkid, $chunkcount, $filename);
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} catch (UploadException $e) {
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$this->error($e->getMessage());
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}
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}
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$etags = $this->request->post("etags/a", []);
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if (count($etags) != $chunkcount) {
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$checkDeleteFile($attachment, $upload, true);
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$this->error("分片数据错误");
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}
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$listParts = [];
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for ($i = 0; $i < $chunkcount; $i++) {
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$listParts[] = array("PartNumber" => $i + 1, "ETag" => $etags[$i]);
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}
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try {
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$ret = $oss->completeMultipartUpload($config['bucket'], $key, $uploadId, $listParts);
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} catch (\Exception $e) {
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$checkDeleteFile($attachment, $upload, true);
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$this->error($e->getMessage());
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}
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$result = json_decode(json_encode(simplexml_load_string($ret['body'], "SimpleXMLElement", LIBXML_NOCDATA)), true);
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if (!isset($result['Key'])) {
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$checkDeleteFile($attachment, $upload, true);
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$this->error("上传失败");
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} else {
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$checkDeleteFile($attachment, $upload);
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$this->success("上传成功", '', ['url' => "/" . $key, 'fullurl' => cdnurl("/" . $key, true)]);
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}
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} else {
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//默认普通上传文件
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$file = $this->request->file('file');
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try {
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$upload = new Upload($file);
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$file = $upload->chunk($chunkid, $chunkindex, $chunkcount);
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} catch (UploadException $e) {
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$this->error($e->getMessage());
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}
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try {
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//上传分片到OSS
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$ret = $oss->uploadPart($config['bucket'], $key, $uploadId, ['fileUpload' => $file->getRealPath(), 'partNumber' => $chunkindex + 1]);
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} catch (\Exception $e) {
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$this->error($e->getMessage());
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}
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$this->success("上传成功", "", [], 3, ['ETag' => $ret]);
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}
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} else {
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$attachment = null;
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//默认普通上传文件
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$file = $this->request->file('file');
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try {
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$upload = new Upload($file);
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$attachment = $upload->upload();
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} catch (UploadException $e) {
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$this->error($e->getMessage());
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}
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//文件绝对路径
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$filePath = $upload->getFile()->getRealPath() ?: $upload->getFile()->getPathname();
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$url = $attachment->url;
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try {
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$ret = $oss->uploadFile($config['bucket'], ltrim($attachment->url, "/"), $filePath);
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//成功不做任何操作
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} catch (\Exception $e) {
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$checkDeleteFile($attachment, $upload, true);
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$this->error("上传失败");
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}
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$checkDeleteFile($attachment, $upload);
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$this->success("上传成功", '', ['url' => $url, 'fullurl' => cdnurl($url, true)]);
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}
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return;
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}
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/**
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* 回调
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*/
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public function notify()
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{
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$this->check();
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$this->request->filter('trim,strip_tags,htmlspecialchars,xss_clean');
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$size = $this->request->post('size/d');
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$name = $this->request->post('name', '');
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$md5 = $this->request->post('md5', '');
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$type = $this->request->post('type', '');
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$url = $this->request->post('url', '');
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$width = $this->request->post('width/d');
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$height = $this->request->post('height/d');
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$category = $this->request->post('category', '');
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$category = array_key_exists($category, config('site.attachmentcategory') ?? []) ? $category : '';
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$suffix = strtolower(pathinfo($name, PATHINFO_EXTENSION));
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$suffix = $suffix && preg_match("/^[a-zA-Z0-9]+$/", $suffix) ? $suffix : 'file';
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$attachment = Attachment::where('url', $url)->where('storage', 'alioss')->find();
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if (!$attachment) {
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$params = array(
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'category' => $category,
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'admin_id' => (int)session('admin.id'),
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'user_id' => (int)cookie('uid'),
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'filesize' => $size,
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'filename' => $name,
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'imagewidth' => $width,
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'imageheight' => $height,
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'imagetype' => $suffix,
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'imageframes' => 0,
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'mimetype' => $type,
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'url' => $url,
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'uploadtime' => time(),
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'storage' => 'alioss',
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'sha1' => $md5,
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);
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Attachment::create($params, true);
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}
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$this->success();
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return;
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}
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/**
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* 检查签名是否正确或过期
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*/
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protected function check()
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{
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$aliosstoken = $this->request->post('aliosstoken', '', 'trim');
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if (!$aliosstoken) {
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$this->error("参数不正确(code:1)");
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}
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$config = get_addon_config('alioss');
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list($accessKeyId, $sign, $data) = explode(':', $aliosstoken);
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if (!$accessKeyId || !$sign || !$data) {
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$this->error("参数不能为空(code:2)");
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}
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if ($accessKeyId !== $config['accessKeyId']) {
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$this->error("参数不正确(code:3)");
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}
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if ($sign !== base64_encode(hash_hmac('sha1', base64_decode($data), $config['accessKeySecret'], true))) {
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$this->error("签名不正确");
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}
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$json = json_decode(base64_decode($data), true);
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if ($json['deadline'] < time()) {
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$this->error("请求已经超时");
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}
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}
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}
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