aws 文件公网直接访问

aws 文件公网直接访问

前几天接到一个需求,需要图片上传aws后可以直接公网访问,aws文件上传默认是不能直接访问,需要签名,这就不符合我们的场景,因为另外几个服务不想更新,只想读取图片路径

其实也就是在配置aws储存的时候记得开放公网访问即可

这一步不是我配置的,我们运维负责的,所以我也不知道怎么搞,所以直接在网上拿图吧

记得配置,不配置怎么玩都不行

编辑

{ "Version": "2012-10-17", "Id": "S3PolicyId1", "Statement": [ { "Sid": "statement1", "Effect": "Allow", "Principal": { "AWS": "*" }, "Action": "s3:GetObject", "Resource": "arn:aws:s3:::my-bucket/*" } ]}

下面就是代码了,点简单,看官网的文档就可以:​​"2.3.0",

不要问选低版本,因为php5.6不支持高版本的,这里很坑

key = isset($config['key']) ? $config['key'] : "";//key $this->secret = isset($config['secret']) ? $config['secret'] : "";//secret $this->region = isset($config['region']) ? $config['region'] : "";//区域 $this->version = isset($config['version']) ? $config['version'] : "";//版本号 $this->endpoint = isset($config['endpoint']) ? $config['endpoint'] : "";//公网访问地址 $this->bucket = isset($config['bucket']) ? $config['bucket'] : "";//桶 try { $credentials = new Aws\Credentials\Credentials($this->key, $this->secret); $this->client = new S3Client([ 'version' => $this->version, 'region' => $this->region, 'credentials' => $credentials, 'endpoint' => $this->endpoint, //设置访问权限 公开,不然访问不了 'ACL' => 'public-read',// 'debug' => true ]); } catch (Exception $e) { $msg = $e->getMessage(); Log::add(__PUBLIC_ . '|s3ImageConstruct', $msg); return false; } return true; } /** * upload file 基础上传 * name 文件名 * fileUrl 文件路径(绝对地址) */ public function uploadFile($file_name, $file_path) { $key = $file_name; $fileUrl = $file_path; if (!file_exists($fileUrl)) { Log::add(__PUBLIC_ . '|awsUploadFile', "当前目录中，文件" . $fileUrl . "不存在"); } try { $result = $this->client->putObject([ 'Bucket' => $this->bucket, 'Key' => trim($key), 'Body' => fopen($fileUrl, 'rb'), 'ACL' => 'public-read', ]); $fileUrl = $result->get('ObjectURL'); return $fileUrl; } catch (Exception $e) { $msg = $e->getMessage(); Log::add(__PUBLIC_ . '|awsUploadFile', $msg); return false; } } /** * 自定义分段上传 */ public function multipartUploader($file_name, $file_path) { $source = $file_path; //多部件上传 $uploader = new MultipartUploader($this->client, $source, [ //存储桶 'bucket' => $this->bucket, //上传后的新地址 'key' => $file_name, //设置访问权限 公开,不然访问不了 'ACL' => 'public-read', //分段上传 'before_initiate' => function (\Aws\Command $command) { // $command 是CreateMultipartUpload操作 $command['CacheControl'] = 'max-age=3600'; }, 'before_upload' => function (\Aws\Command $command) { // $command 是一个UploadPart操作 $command['RequestPayer'] = 'requester'; }, 'before_complete' => function (\Aws\Command $command) { // $command 是一个CompleteMultipartUpload操作 $command['RequestPayer'] = 'requester'; }, ]); try { $result = $uploader->upload(); //上传成功--返回上传后的地址 $resultOne = $this->client->getObjectUrl($this->bucket, $file_name); $data = [ 'type' => '1', 'data' => urldecode($result['ObjectURL']), 'resultOne' => $resultOne, ]; } catch (Aws\Exception\MultipartUploadException $e) { //上传失败--返回错误信息 $uploader = new MultipartUploader($this->client, $source, [ 'state' => $e->getState(), ]); $data = [ 'type' => '0', 'data' => $e->getMessage(), ]; } return $data; } /** * s3根据文件名称获取url * fileName 文件名称 * publicPath 证书路径 * expire 过期时间 * $result = $this->client->getObjectUrl($this->bucket, $name);//此方法将返回给定存储桶和密钥的未签名 URL。 */ public function getFileUrl($fileName, $publicPath, $expire = 1) { if (empty($this->bucket)) { return ""; } try { //创建预签名url $cmd = $this->client->getCommand('GetObject', [ 'Bucket' => $this->bucket, 'Key' => trim($fileName) ]); $request = $this->client->createPresignedRequest($cmd, '+' . $expire . 'weeks'); $presignedUrl = (string)$request->getUri();//获取签名对象的 URL //检验访问url是否有效 $array = get_headers($presignedUrl, 1); if (preg_match('/200/', $array[0])) { Log::add(__PUBLIC_ . '|s3GetFileUrlSuccess', "下载证书文件成功,url:".$presignedUrl."fileName".$fileName); return $presignedUrl; } else { Log::add(__PUBLIC_ . '|s3GetFileUrlError', "下载证书文件失败,url无效"); return ""; } } catch (Aws\S3\Exception\S3Exception $e) { $msg = $e->getMessage(); Log::add(__PUBLIC_ . '|s3GetFileUrl', $msg); return false; } } /** * 获取文件名称 */ public function getFileName($name) { $arr = explode('/', $name); $last = $arr[count($arr) - 1]; return $last; }}

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