@Override
public F.Promise<Result> getDownload(String key, String name) {
GeneratePresignedUrlRequest generatePresignedUrlRequest =
new GeneratePresignedUrlRequest(bucketName, key);
ResponseHeaderOverrides responseHeaders = new ResponseHeaderOverrides();
responseHeaders.setContentDisposition("attachment; filename=" + name);
generatePresignedUrlRequest.setResponseHeaders(responseHeaders);
AmazonS3 amazonS3 = new AmazonS3Client(credentials);
try {
URL url = amazonS3.generatePresignedUrl(generatePresignedUrlRequest);
return F.Promise.pure(redirect(url.toString()));
} catch (AmazonClientException ace) {
Logger.error(
"Caught an AmazonClientException, which "
+ "means the client encountered "
+ "an internal error while trying to "
+ "communicate with S3, "
+ "such as not being able to access the network."
+ " Error Message: "
+ ace.getMessage());
return F.Promise.pure(internalServerError("Download failed"));
}
}
/**
* Computes the presigned URL for the given S3 resource.
*
* @param path String like "/bucketName/folder/folder/abc.txt" that represents the resource to
* request.
*/
public URL buildPresignedURL(String path) throws AmazonClientException {
AWSCredentials credentials = awsCredentialsProvider.getCredentials();
long expires = System.currentTimeMillis() + 60 * 60 * 1000;
GeneratePresignedUrlRequest request =
new GeneratePresignedUrlRequest(path, credentials.getAWSSecretKey());
request.setExpiration(new Date(expires));
AmazonS3 s3 = new AmazonS3Client(credentials);
return s3.generatePresignedUrl(request);
}
public String generateURL(final String documentName, final boolean fileAttached) {
if (fileAttached) {
GeneratePresignedUrlRequest urlRequest =
new GeneratePresignedUrlRequest(S3_BUCKET, documentName);
urlRequest.setMethod(HttpMethod.GET);
Calendar calendar = new GregorianCalendar();
calendar.add(Calendar.MONTH, 1);
Date nextMonth = calendar.getTime();
urlRequest.setExpiration(nextMonth);
URL url = s3client.generatePresignedUrl(urlRequest);
return url.toString();
} else {
return "No File Attached";
}
}
public static String xs3_generate_url(String xs3_objname, String content_type) {
AWSCredentials xs3_credentials = new BasicAWSCredentials(xs3_access_key, xs3_secret_key);
ClientConfiguration xs3_clientconfig = new ClientConfiguration();
xs3_clientconfig.setProtocol(Protocol.HTTP);
S3ClientOptions xs3_client_options = new S3ClientOptions();
xs3_client_options.setPathStyleAccess(true);
xs3_client = new AmazonS3Client(xs3_credentials, xs3_clientconfig);
xs3_client.setEndpoint(xs3_endpoint);
xs3_client.setS3ClientOptions(xs3_client_options);
try {
java.util.Date expiration = new java.util.Date();
long milliSeconds = expiration.getTime();
milliSeconds += 1000 * 60 * 5;
expiration.setTime(milliSeconds);
GeneratePresignedUrlRequest xs3_genurl_req =
new GeneratePresignedUrlRequest(xs3_bucketname, xs3_objname);
xs3_genurl_req.setMethod(HttpMethod.PUT);
xs3_genurl_req.setExpiration(expiration);
xs3_genurl_req.setContentType(content_type);
xs3_genurl_req.addRequestParameter("x-amz-acl", "public-read");
URL url = xs3_client.generatePresignedUrl(xs3_genurl_req);
System.out.println(url.toString());
return url.toString();
} catch (AmazonServiceException ase) {
System.out.println("xs3_svr_error_message:" + ase.getMessage());
System.out.println("xs3_svr_status_code: " + ase.getStatusCode());
System.out.println("xs3_svr_error_code: " + ase.getErrorCode());
System.out.println("xs3_svr_error_type: " + ase.getErrorType());
System.out.println("xs3_svr_request_id: " + ase.getRequestId());
} catch (AmazonClientException ace) {
System.out.println("xs3_clt_error_message:" + ace.getMessage());
}
return null;
}
public static String gen_part_url(
String uploadId, int file_size, String file_name, String file_type) {
AWSCredentials xs3_credentials = new BasicAWSCredentials(xs3_access_key, xs3_secret_key);
ClientConfiguration xs3_clientconfig = new ClientConfiguration();
xs3_clientconfig.setProtocol(Protocol.HTTP);
S3ClientOptions xs3_client_options = new S3ClientOptions();
xs3_client_options.setPathStyleAccess(true);
xs3_client = new AmazonS3Client(xs3_credentials, xs3_clientconfig);
xs3_client.setEndpoint(xs3_endpoint);
xs3_client.setS3ClientOptions(xs3_client_options);
try {
final int xs3_part_size = 1024 * 1024 * 5;
int xs3_part_count = (int) Math.ceil((double) (file_size) / (double) xs3_part_size);
JSONArray jsonArray = new JSONArray();
JSONObject jsonObject_1 = new JSONObject();
jsonObject_1.put("total_num", xs3_part_count);
jsonObject_1.put("upload_id", uploadId);
JSONArray jsonArray_sub = new JSONArray();
for (int part_no = 0; part_no < xs3_part_count; part_no++) {
long xs3_offset_bytes = xs3_part_size * part_no;
long part_size =
xs3_part_size < (file_size - xs3_offset_bytes)
? xs3_part_size
: (file_size - xs3_offset_bytes);
java.util.Date expiration = new java.util.Date();
long milliSeconds = expiration.getTime();
milliSeconds += 1000 * 60 * 5;
expiration.setTime(milliSeconds);
GeneratePresignedUrlRequest xs3_genurl_req =
new GeneratePresignedUrlRequest(xs3_bucketname, file_name);
xs3_genurl_req.setMethod(HttpMethod.PUT);
xs3_genurl_req.setExpiration(expiration);
xs3_genurl_req.setContentType(file_type);
xs3_genurl_req.addRequestParameter("uploadId", uploadId);
xs3_genurl_req.addRequestParameter("partNumber", String.valueOf(part_no + 1));
URL url = xs3_client.generatePresignedUrl(xs3_genurl_req);
System.out.println(url.toString());
JSONObject jsonObject = new JSONObject();
jsonObject.put("part_idx", part_no);
jsonObject.put("part_url", url.toString());
jsonObject.put("upload_len", part_size);
jsonObject.put("part_begin", xs3_offset_bytes);
jsonObject.put("part_end", xs3_offset_bytes + part_size);
jsonArray_sub.add(jsonObject);
}
jsonObject_1.put("multi_list", jsonArray_sub);
jsonArray.add(jsonObject_1);
return jsonArray.toString();
} catch (AmazonServiceException ase) {
System.out.println("xs3_svr_error_message:" + ase.getMessage());
System.out.println("xs3_svr_status_code: " + ase.getStatusCode());
System.out.println("xs3_svr_error_code: " + ase.getErrorCode());
System.out.println("xs3_svr_error_type: " + ase.getErrorType());
System.out.println("xs3_svr_request_id: " + ase.getRequestId());
} catch (AmazonClientException ace) {
System.out.println("xs3_clt_error_message:" + ace.getMessage());
}
return null;
}
