Examples of com.amazonaws.services.s3.model.CryptoStorageMode.ObjectMetadata

Package com.amazonaws.services.s3.model.CryptoStorageMode

Examples of com.amazonaws.services.s3.model.CryptoStorageMode.ObjectMetadata

com.amazonaws.services.s3.model.DeleteObjectsRequest
S3 HTTP response handler that knows how to pull S3 object content and metadata out of an HTTP response and unmarshall it into an S3Object object.

    protected final PutObjectRequest updateInstructionPutRequest(
            PutObjectRequest req, ContentCryptoMaterial cekMaterial) {
        byte[] bytes =  cekMaterial.toJsonString(cryptoConfig.getCryptoMode())
                                   .getBytes(UTF8);
        InputStream is = new ByteArrayInputStream(bytes);
        ObjectMetadata metadata = req.getMetadata();
        if (metadata == null) {
            metadata = new ObjectMetadata();
            req.setMetadata(metadata);
        }
        // Set the content-length of the upload
        metadata.setContentLength(bytes.length);
        // Set the crypto instruction file header
        metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
        // Update the instruction request
        req.setMetadata(metadata);
        req.setInputStream(is);
        req.setFile(null);
        return req;

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    protected final PutObjectRequest createInstructionPutRequest(
            String bucketName, String key, ContentCryptoMaterial cekMaterial) {
        byte[] bytes = cekMaterial.toJsonString(cryptoConfig.getCryptoMode())
                                  .getBytes(UTF8);
        InputStream is = new ByteArrayInputStream(bytes);
        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setContentLength(bytes.length);
        metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
        InstructionFileId ifileId = new S3ObjectId(bucketName, key)
                .instructionFileId();
        return new PutObjectRequest(ifileId.getBucket(), ifileId.getKey(),
            is, metadata);
    }

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        appendUserAgent(req, USER_AGENT);
        // Generate a one-time use symmetric key and initialize a cipher to
        // encrypt object data
        ContentCryptoMaterial cekMaterial = createContentCryptoMaterial(req);
        if (cryptoConfig.getStorageMode() == ObjectMetadata) {
            ObjectMetadata metadata = req.getObjectMetadata();
            if (metadata == null)
                metadata = new ObjectMetadata();
            // Store encryption info in metadata
            req.setObjectMetadata(updateMetadataWithContentCryptoMaterial(
                    metadata, null, cekMaterial));
        }
        InitiateMultipartUploadResult result = s3.initiateMultipartUpload(req);

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    }


    protected final ObjectMetadata updateMetadataWithContentCryptoMaterial(
            ObjectMetadata metadata, File file, ContentCryptoMaterial instruction) {
        if (metadata == null) 
            metadata = new ObjectMetadata();
        if (file != null) {
            Mimetypes mimetypes = Mimetypes.getInstance();
            metadata.setContentType(mimetypes.getMimetype(file));
        }
        return instruction.toObjectMetadata(metadata, cryptoConfig.getCryptoMode());

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     * cipher, and configured with some meta data and user metadata.
     */
    protected final PutObjectRequest wrapWithCipher(
            PutObjectRequest request, ContentCryptoMaterial cekMaterial) {
        // Create a new metadata object if there is no metadata already.
        ObjectMetadata metadata = request.getMetadata();
        if (metadata == null) {
            metadata = new ObjectMetadata();
        }


        // Record the original Content MD5, if present, for the unencrypted data
        if (metadata.getContentMD5() != null) {
            metadata.addUserMetadata(Headers.UNENCRYPTED_CONTENT_MD5,
                    metadata.getContentMD5());
        }


        // Removes the original content MD5 if present from the meta data.
        metadata.setContentMD5(null);


        // Record the original, unencrypted content-length so it can be accessed
        // later
        final long plaintextLength = plaintextLength(request, metadata);
        if (plaintextLength >= 0) {
            metadata.addUserMetadata(Headers.UNENCRYPTED_CONTENT_LENGTH,
                    Long.toString(plaintextLength));
            // Put the ciphertext length in the metadata
            metadata.setContentLength(ciphertextLength(plaintextLength));
        }
        request.setMetadata(metadata);
        request.setInputStream(newS3CipherLiteInputStream(
            request, cekMaterial, plaintextLength));
        // Treat all encryption requests as input stream upload requests, not as

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     */
    protected final PutObjectRequest updateInstructionPutRequest(
            PutObjectRequest req, ContentCryptoMaterial cekMaterial) {
        byte[] bytes =  cekMaterial.toJsonString(cryptoConfig.getCryptoMode())
                                   .getBytes(UTF8);
        ObjectMetadata metadata = req.getMetadata();
        if (metadata == null) {
            metadata = new ObjectMetadata();
            req.setMetadata(metadata);
        }
        // Set the content-length of the upload
        metadata.setContentLength(bytes.length);
        // Set the crypto instruction file header
        metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
        // Update the instruction request
        req.setMetadata(metadata);
        req.setInputStream(new ByteArrayInputStream(bytes));
        // the file attribute in the request is always null before calling this
        // routine

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    protected final PutObjectRequest createInstructionPutRequest(
            String bucketName, String key, ContentCryptoMaterial cekMaterial) {
        byte[] bytes = cekMaterial.toJsonString(cryptoConfig.getCryptoMode())
                                  .getBytes(UTF8);
        InputStream is = new ByteArrayInputStream(bytes);
        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setContentLength(bytes.length);
        metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
        InstructionFileId ifileId = new S3ObjectId(bucketName, key)
                .instructionFileId();
        return new PutObjectRequest(ifileId.getBucket(), ifileId.getKey(),
            is, metadata);
    }

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    /* (non-Javadoc)
     * @see com.amazonaws.services.s3.AmazonS3#deleteBucket(java.lang.String)
     */
    public void deleteBucket(String bucketName)
            throws AmazonClientException, AmazonServiceException {
        deleteBucket(new DeleteBucketRequest(bucketName));
    }

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    /* (non-Javadoc)
     * @see com.amazonaws.services.s3.AmazonS3#deleteObject(java.lang.String, java.lang.String)
     */
    public void deleteObject(String bucketName, String key)
            throws AmazonClientException, AmazonServiceException {
        deleteObject(new DeleteObjectRequest(bucketName, key));
    }

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    public void delete(BlobPath path) {
        ObjectListing prevListing = null;
        //From http://docs.amazonwebservices.com/AmazonS3/latest/dev/DeletingMultipleObjectsUsingJava.html
        //we can do at most 1K objects per delete
        //We don't know the bucket name until first object listing
        DeleteObjectsRequest multiObjectDeleteRequest = null;
        ArrayList<KeyVersion> keys = new ArrayList<KeyVersion>();
        while (true) {
            ObjectListing list;
            if (prevListing != null) {
                list = client.listNextBatchOfObjects(prevListing);
            } else {
                String keyPath = path.buildAsString("/");
                if (!keyPath.isEmpty()) {
                    keyPath = keyPath + "/";
                }
                list = client.listObjects(bucket, keyPath);
                multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
            }
            for (S3ObjectSummary summary : list.getObjectSummaries()) {
                keys.add(new KeyVersion(summary.getKey()));
                //Every 500 objects batch the delete request
                if (keys.size() > 500) {
                    multiObjectDeleteRequest.setKeys(keys);
                    client.deleteObjects(multiObjectDeleteRequest);
                    multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
                    keys.clear();
                }
            }
            if (list.isTruncated()) {
                prevListing = list;
            } else {
                break;
            }
        }
        if (!keys.isEmpty()) {
            multiObjectDeleteRequest.setKeys(keys);
            client.deleteObjects(multiObjectDeleteRequest);
        }
    }

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