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private final String configKey;
private final OssProperties properties;
private final S3AsyncClient client;
private final S3TransferManager transferManager;
private final S3Presigner presigner;
private static final String UPLOAD_KEY = "upload_file:";
public OssClient(String configKey, OssProperties ossProperties) { this.configKey = configKey; this.properties = ossProperties; try { StaticCredentialsProvider credentialsProvider = StaticCredentialsProvider.create( AwsBasicCredentials.create(properties.getAccessKey(), properties.getSecretKey()));
boolean isStyle = !StringUtils.containsAny(properties.getEndpoint(), OssConstant.CLOUD_SERVICE);
this.client = S3AsyncClient.crtBuilder() .credentialsProvider(credentialsProvider) .endpointOverride(URI.create(getEndpoint())) .region(of()) .targetThroughputInGbps(20.0) .minimumPartSizeInBytes(10 * 1025 * 1024L) .checksumValidationEnabled(false) .forcePathStyle(isStyle) .httpConfiguration(S3CrtHttpConfiguration.builder() .connectionTimeout(Duration.ofSeconds(60)) .build()) .build();
this.transferManager = S3TransferManager.builder().s3Client(this.client).build();
S3Configuration config = S3Configuration.builder().chunkedEncodingEnabled(false) .pathStyleAccessEnabled(isStyle).build();
this.presigner = S3Presigner.builder() .region(of()) .credentialsProvider(credentialsProvider) .endpointOverride(URI.create(getDomain())) .serviceConfiguration(config) .build();
createBucket(); } catch (Exception e) { if (e instanceof OssException) { throw e; } throw new OssException("配置错误! 请检查系统配置:[" + e.getMessage() + "]"); } }
public void createBucket() { String bucketName = properties.getBucketName(); try { client.headBucket( x -> x.bucket(bucketName) .build()) .join(); } catch (Exception ex) { if (ex.getCause() instanceof NoSuchBucketException) { try { client.createBucket( x -> x.bucket(bucketName)) .join();
client.putBucketPolicy( x -> x.bucket(bucketName) .policy(getPolicy(bucketName, getAccessPolicy().getPolicyType()))) .join(); } catch (S3Exception e) { throw new OssException("创建Bucket失败, 请核对配置信息:[" + e.getMessage() + "]"); } } else { throw new OssException("判断Bucket是否存在失败,请核对配置信息:[" + ex.getMessage() + "]"); } } }
public UploadResult upload(Path filePath, String key, String md5Digest, String contentType) { try { FileUpload fileUpload = transferManager.uploadFile( x -> x.putObjectRequest( y -> y.bucket(properties.getBucketName()) .key(key) .contentMD5(StringUtils.isNotEmpty(md5Digest) ? md5Digest : null) .contentType(contentType) .build()) .addTransferListener(LoggingTransferListener.create()) .source(filePath).build());
CompletedFileUpload uploadResult = fileUpload.completionFuture().join(); String eTag = uploadResult.response().eTag();
return UploadResult.builder().url(getUrl() + StringUtils.SLASH + key).filename(key).eTag(eTag).build(); } catch (Exception e) { throw new OssException("上传文件失败,请检查配置信息:[" + e.getMessage() + "]"); } finally { FileUtils.del(filePath); } }
public UploadResult upload(InputStream inputStream, String key, Long length, String contentType) { if (!(inputStream instanceof ByteArrayInputStream)) { inputStream = new ByteArrayInputStream(IoUtil.readBytes(inputStream)); } try { BlockingInputStreamAsyncRequestBody body = BlockingInputStreamAsyncRequestBody.builder() .contentLength(length) .subscribeTimeout(Duration.ofSeconds(30)) .build();
Upload upload = transferManager.upload( x -> x.requestBody(body) .putObjectRequest( y -> y.bucket(properties.getBucketName()) .key(key) .contentType(contentType) .build()) .build());
body.writeInputStream(inputStream);
CompletedUpload uploadResult = upload.completionFuture().join(); String eTag = uploadResult.response().eTag();
return UploadResult.builder().url(getUrl() + StringUtils.SLASH + key).filename(key).eTag(eTag).build(); } catch (Exception e) { throw new OssException("上传文件失败,请检查配置信息:[" + e.getMessage() + "]"); } }
public UploadResult generatePreSignedUploadUrl(String objectKey, Integer expiration, String contentType) { try { URL url = presigner.presignPutObject( x -> x.signatureDuration(Duration.ofSeconds(expiration)) .putObjectRequest( y -> y.bucket(properties.getBucketName()) .key(objectKey) .contentType(contentType) .build() ) .build() ).url();
return UploadResult.builder().url(url.toString()).filename(objectKey).build(); } catch (Exception e) { throw new OssException("生成预签名上传链接失败,请检查配置信息:[" + e.getMessage() + "]"); } }
public Path fileDownload(String path) { Path tempFilePath = FileUtils.createTempFile().toPath(); FileDownload downloadFile = transferManager.downloadFile( x -> x.getObjectRequest( y -> y.bucket(properties.getBucketName()) .key(removeBaseUrl(path)) .build()) .addTransferListener(LoggingTransferListener.create()) .destination(tempFilePath) .build()); downloadFile.completionFuture().join(); return tempFilePath; }
public long download(String key, OutputStream out) { try { DownloadRequest<ResponseInputStream<GetObjectResponse>> downloadRequest = DownloadRequest.builder() .getObjectRequest(y -> y.bucket(properties.getBucketName()) .key(key) .build()) .addTransferListener(LoggingTransferListener.create()) .responseTransformer(AsyncResponseTransformer.toBlockingInputStream()) .build(); Download<ResponseInputStream<GetObjectResponse>> responseFuture = transferManager.download(downloadRequest); try (ResponseInputStream<GetObjectResponse> responseStream = responseFuture.completionFuture().join().result()) { return responseStream.transferTo(out); } } catch (Exception e) { throw new OssException("文件下载失败,错误信息:[" + e.getMessage() + "]"); } }
public void delete(String path) { try { client.deleteObject( x -> x.bucket(properties.getBucketName()) .key(removeBaseUrl(path)) .build()); } catch (Exception e) { throw new OssException("删除文件失败,请检查配置信息:[" + e.getMessage() + "]"); } }
public String getPrivateUrl(String objectKey, Integer second) { URL url = presigner.presignGetObject( x -> x.signatureDuration(Duration.ofSeconds(second)) .getObjectRequest( y -> y.bucket(properties.getBucketName()) .key(objectKey) .build()) .build()) .url(); return url.toString(); }
public UploadResult uploadSuffix(byte[] data, String suffix, String contentType) { return upload(new ByteArrayInputStream(data), getPath(properties.getPrefix(), suffix), Long.valueOf(data.length), contentType); }
public UploadResult uploadSuffix(InputStream inputStream, String suffix, Long length, String contentType) { return upload(inputStream, getPath(properties.getPrefix(), suffix), length, contentType); }
public UploadResult uploadSuffix(File file, String suffix) { return upload(file.toPath(), getPath(properties.getPrefix(), suffix), null, FileUtils.getMimeType(suffix)); }
public UploadResult uploadPath(byte[] data, String path, String contentType) { return upload(new ByteArrayInputStream(data), path, Long.valueOf(data.length), contentType); }
public UploadResult uploadPath(InputStream inputStream, String path, Long length, String contentType) { return upload(inputStream, path, length, contentType); }
public UploadResult uploadPath(File file, String path, String contentType) { return upload(file.toPath(), path, null, contentType); }
public UploadResult uploadUrl(String fileName, String suffix, Boolean resetPath) { String path; if (resetPath) { path = getPath(properties.getPrefix(), suffix); } else { path = fileName; }
PutObjectPresignRequest putObjectPresignRequest = PutObjectPresignRequest.builder() .signatureDuration(Duration.ofHours(2)) .putObjectRequest(b -> b.bucket(properties.getBucketName()).key(path) .contentType(getContentType(suffix)) ) .build(); PresignedPutObjectRequest presignedPutObjectRequest = presigner.presignPutObject(putObjectPresignRequest); URL url = presignedPutObjectRequest.url();
return UploadResult.builder().url(url.toString()).filename(fileName).build();
}
private static String getContentType(String extension) { if (extension.contains("jpg") || extension.contains("jpeg")) { return "image/jpeg"; } else if (extension.contains("gif")) { return "image/gif"; } else if (extension.contains("png")) { return "image/png"; } else if (extension.contains("pdf")) { return "application/pdf"; } else if (extension.contains("doc")) { return "application/msword"; } else if (extension.contains("docx")) { return "application/vnd.openxmlformats-officedocument.wordprocessingml.document"; } else if (extension.contains("xls") || extension.contains("xlsx")) { return "application/vnd.ms-excel"; } else if (extension.contains("txt")) { return "text/plain"; } else if (extension.contains("json")) { return "application/json"; } else { return "application/octet-stream"; } }
public PartUploadVo initUpload(InitFileBo po) { String fileName = po.getFileName(); Integer totalSize = po.getSize(); int chunkSize = po.getChunkSize();
int totalChunks = (int) Math.ceil((double) totalSize / chunkSize); String suffix = StringUtils.substring(fileName, fileName.lastIndexOf("."), fileName.length());
String path = getPath(properties.getPrefix(), suffix); CreateMultipartUploadRequest request = CreateMultipartUploadRequest.builder() .bucket(properties.getBucketName()) .key(path) .build();
try { CreateMultipartUploadResponse response = client.createMultipartUpload(request).join(); String uploadId = response.uploadId();
List<UploadUrl> uploadUrl = new ArrayList<>(); for (int i = 0; i < totalChunks; i++) { int index = i + 1; UploadPartPresignRequest uploadPartPresignRequest = UploadPartPresignRequest.builder() .signatureDuration(Duration.ofMinutes(10)) .uploadPartRequest(b -> b .bucket(properties.getBucketName()) .key(path) .uploadId(uploadId) .partNumber(index)) .build(); PresignedUploadPartRequest presignedUploadPartRequest = presigner.presignUploadPart(uploadPartPresignRequest); URL url = presignedUploadPartRequest.url(); uploadUrl.add(new UploadUrl(index, String.valueOf(index), url.toString(), null)); }
PartUploadVo partUploadVo = new PartUploadVo(); partUploadVo.setUploadId(uploadId); partUploadVo.setUploadUrl(uploadUrl); partUploadVo.setPartCount((long) totalChunks); partUploadVo.setPath(path); partUploadVo.setUrl(getUrl() + StringUtils.SLASH + path); partUploadVo.setFileName(fileName);
RedisUtils.setObjectIfAbsent(UPLOAD_KEY + uploadId, partUploadVo, Duration.ofHours(6));
return partUploadVo; } catch (Exception e) { throw new OssException("初始化分片上传失败,请检查配置信息: [" + e.getMessage() + "]"); } }
public UploadResult completeMultipartUpload(String uploadId, List<UploadUrl> uploadUrl) { try { List<CompletedPart> completedParts = new ArrayList<>(); for (int i = 0; i < uploadUrl.size(); i++) { completedParts.add( CompletedPart.builder() .partNumber(i + 1) .eTag(uploadUrl.get(i).getEtag()) .build() ); } PartUploadVo uploadVo = (PartUploadVo) RedisUtils.getCacheObject(UPLOAD_KEY + uploadId);
if (uploadVo == null) { throw new OssException("上传失败,文件合并超时,或文件Id不合法"); }
CompleteMultipartUploadRequest request = CompleteMultipartUploadRequest.builder() .bucket(properties.getBucketName()) .key(uploadVo.getPath()) .uploadId(uploadId) .multipartUpload(CompletedMultipartUpload.builder().parts(completedParts).build()) .build();
CompleteMultipartUploadResponse response = client.completeMultipartUpload(request).join(); RedisUtils.deleteKeys(UPLOAD_KEY + uploadId); return UploadResult.builder().url(response.location()).filename(uploadVo.getFileName()).build(); } catch (Exception e) { throw new OssException("合并分片失败,请检查配置信息: [" + e.getMessage() + "]"); } }
public List<FileNode> listFile(String path) {
CompletableFuture<ListObjectsResponse> listObjectsResponseCompletableFuture = client.listObjects( ListObjectsRequest.builder() .bucket(properties.getBucketName()) .prefix(path) .build()); List<FileNode> fileNodes = listObjectsResponseCompletableFuture.join().contents().stream() .map(object -> FileNode.builder() .name(object.key()) .type(object.size() > 0 ? "file" : "folder") .path(object.key()) .size((int) (object.size() / 1024 / 1024)) .uploadUrl(getUrl() + StringUtils.SLASH + object.key()) .build()) .collect(Collectors.toList()); return fileNodes; }
public InputStream getObjectContent(String path) throws IOException { Path tempFilePath = fileDownload(path); InputStream inputStream = Files.newInputStream(tempFilePath); FileUtils.del(tempFilePath); return inputStream; }
public String getEndpoint() { String header = getIsHttps(); return header + properties.getEndpoint(); }
public String getDomain() { String domain = properties.getDomain(); String endpoint = properties.getEndpoint(); String header = getIsHttps();
if (StringUtils.containsAny(endpoint, OssConstant.CLOUD_SERVICE)) { return StringUtils.isNotEmpty(domain) ? header + domain : header + endpoint; }
if (StringUtils.isNotEmpty(domain)) { return domain.startsWith(Constants.HTTPS) || domain.startsWith(Constants.HTTP) ? domain : header + domain; }
return header + endpoint; }
public Region of() { String region = properties.getRegion(); return StringUtils.isNotEmpty(region) ? Region.of(region) : Region.US_EAST_1; }
public String getUrl() { String domain = properties.getDomain(); String endpoint = properties.getEndpoint(); String header = getIsHttps(); if (StringUtils.containsAny(endpoint, OssConstant.CLOUD_SERVICE)) { return header + (StringUtils.isNotEmpty(domain) ? domain : properties.getBucketName() + "." + endpoint); } if (StringUtils.isNotEmpty(domain)) { return (domain.startsWith(Constants.HTTPS) || domain.startsWith(Constants.HTTP)) ? domain + StringUtils.SLASH + properties.getBucketName() : header + domain + StringUtils.SLASH + properties.getBucketName(); } return header + endpoint + StringUtils.SLASH + properties.getBucketName(); }
public String getPath(String prefix, String suffix) { String uuid = IdUtil.fastSimpleUUID(); String datePath = DateUtils.datePath(); String path = StringUtils.isNotEmpty(prefix) ? prefix + StringUtils.SLASH + datePath + StringUtils.SLASH + uuid : datePath + StringUtils.SLASH + uuid; return path + suffix; }
public String removeBaseUrl(String path) { return path.replace(getUrl() + StringUtils.SLASH, ""); }
public String getConfigKey() { return configKey; }
public String getIsHttps() { return OssConstant.IS_HTTPS.equals(properties.getIsHttps()) ? Constants.HTTPS : Constants.HTTP; }
public boolean checkPropertiesSame(OssProperties properties) { return this.properties.equals(properties); }
public AccessPolicyType getAccessPolicy() { return AccessPolicyType.getByType(properties.getAccessPolicy()); }
private static String getPolicy(String bucketName, PolicyType policyType) { String policy = switch (policyType) { case WRITE -> """ { "Version": "2012-10-17", "Statement": [] } """; case READ_WRITE -> """ { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": "*", "Action": [ "s3:GetBucketLocation", "s3:ListBucket", "s3:ListBucketMultipartUploads" ], "Resource": "arn:aws:s3:::bucketName" }, { "Effect": "Allow", "Principal": "*", "Action": [ "s3:AbortMultipartUpload", "s3:DeleteObject", "s3:GetObject", "s3:ListMultipartUploadParts", "s3:PutObject" ], "Resource": "arn:aws:s3:::bucketName/*" } ] } """; case READ -> """ { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": "*", "Action": ["s3:GetBucketLocation"], "Resource": "arn:aws:s3:::bucketName" }, { "Effect": "Deny", "Principal": "*", "Action": ["s3:ListBucket"], "Resource": "arn:aws:s3:::bucketName" }, { "Effect": "Allow", "Principal": "*", "Action": "s3:GetObject", "Resource": "arn:aws:s3:::bucketName/*" } ] } """; }; return policy.replaceAll("bucketName", bucketName); }
}
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