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| //
// Copyright (c) Microsoft and contributors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Module dependencies.
var _ = require('underscore');
var azureCommon = require('./../../../common/common');
var azureutil = azureCommon.util;
var Constants = azureCommon.Constants;
var HeaderConstants = Constants.HeaderConstants;
function BlobResult(container, blob) {
if (container) {
this.container = container;
}
if (blob) {
this.blob = blob;
}
}
BlobResult.parse = function (blobXml) {
var blobResult = new BlobResult();
for (var propertyName in blobXml) {
if (propertyName === 'Properties' || propertyName === 'Metadata') {
blobResult[propertyName.toLowerCase()] = { };
for (var subPropertyName in blobXml[propertyName]) {
Eif (blobXml[propertyName].hasOwnProperty(subPropertyName)) {
blobResult[propertyName.toLowerCase()][subPropertyName.toLowerCase()] = blobXml[propertyName][subPropertyName];
}
}
} else {
blobResult[propertyName.toLowerCase()] = blobXml[propertyName];
}
}
return blobResult;
};
var headersForProperties = {
'etag': 'ETAG',
'lastModified': 'LAST_MODIFIED',
'contentType': 'CONTENT_TYPE',
'contentEncoding': 'CONTENT_ENCODING',
'contentLanguage': 'CONTENT_LANGUAGE',
'contentMD5': 'CONTENT_MD5',
'cacheControl': 'CACHE_CONTROL',
'contentRange': 'CONTENT_RANGE',
'blobContentType': 'BLOB_CONTENT_TYPE',
'blobContentEncoding': 'BLOB_CONTENT_ENCODING',
'blobContentLanguage': 'BLOB_CONTENT_LANGUAGE',
'blobcontentMD5': 'BLOB_CONTENT_MD5',
'blobCacheControl': 'BLOB_CACHE_CONTROL',
'contentLength': 'CONTENT_LENGTH',
'blobContentLength': 'BLOB_CONTENT_LENGTH',
'contentDisposition': 'CONTENT_DISPOSITION',
'blobContentDisposition': 'BLOB_CONTENT_DISPOSITION',
'range': 'RANGE',
'blobRange': 'STORAGE_RANGE',
'getContentMd5': 'RANGE_GET_CONTENT_MD5',
'acceptRanges': 'ACCEPT_RANGES',
'blobType': 'BLOB_TYPE',
'leaseStatus': 'LEASE_STATUS',
'leaseId': 'LEASE_ID',
'leaseDuration': 'LEASE_DURATION',
'leaseState': 'LEASE_STATE',
'sequenceNumber': 'SEQUENCE_NUMBER',
'copySource': 'COPY_SOURCE',
'copyStatus': 'COPY_STATUS',
'copyCompletionTime': 'COPY_COMPLETION_TIME',
'copyStatusDescription': 'COPY_STATUS_DESCRIPTION',
'copyId': 'COPY_ID',
'copyProgress': 'COPY_PROGRESS',
'requestId': 'REQUEST_ID',
'appendOffset': 'BLOB_APPEND_OFFSET',
'committedBlockCount': 'BLOB_COMMITTED_BLOCK_COUNT'
};
BlobResult.prototype.getPropertiesFromHeaders = function (headers) {
var self = this;
var setBlobPropertyFromHeaders = function (blobProperty, headerProperty) {
if (!self[blobProperty] && headers[headerProperty.toLowerCase()]) {
self[blobProperty] = headers[headerProperty.toLowerCase()];
}
};
_.chain(headersForProperties).pairs().each(function (pair) {
var property = pair[0];
var header = HeaderConstants[pair[1]];
setBlobPropertyFromHeaders(property, header);
});
};
/**
* This method sets the HTTP headers and is used by all methods except setBlobProperties and commitBlocks. Those 2 methods will set the x-ms-* headers using setPropertiesFromBlob.
*/
BlobResult.setHeadersFromBlob = function (webResource, blob) {
var setHeaderPropertyFromBlob = function (headerProperty, blobProperty) {
if (blob[blobProperty]) {
webResource.withHeader(headerProperty, blob[blobProperty]);
}
};
Eif (blob) {
// Content-Type
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_TYPE, 'contentType');
// Content-Encoding
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_ENCODING, 'contentEncoding');
// Content-MD5
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_MD5, 'contentMD5');
// Content-Language
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_LANGUAGE, 'contentLanguage');
// Content-Disposition
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_DISPOSITION, 'contentDisposition');
// Cache-Control
setHeaderPropertyFromBlob(HeaderConstants.CACHE_CONTROL, 'cacheControl');
// Content-Length
setHeaderPropertyFromBlob(HeaderConstants.CONTENT_LENGTH, 'contentLength');
// Range
if (!azureutil.objectIsNull(blob.rangeStart)) {
var range = 'bytes=' + blob.rangeStart + '-';
if (!azureutil.objectIsNull(blob.rangeEnd)) {
range += blob.rangeEnd;
}
webResource.withHeader(HeaderConstants.RANGE, range);
}
// Blob Type
setHeaderPropertyFromBlob(HeaderConstants.BLOB_TYPE, 'blobType');
// Lease id
setHeaderPropertyFromBlob(HeaderConstants.LEASE_ID, 'leaseId');
// Sequence number
setHeaderPropertyFromBlob(HeaderConstants.SEQUENCE_NUMBER, 'sequenceNumber');
setHeaderPropertyFromBlob(HeaderConstants.SEQUENCE_NUMBER_ACTION, 'sequenceNumberAction');
if (blob.metadata) {
webResource.addOptionalMetadataHeaders(blob.metadata);
}
}
};
/**
* This method sets the x-ms-* headers and is used by setBlobProperties and commitBlocks. All other methods will set the regular HTTP headers using setHeadersFromBlob.
*/
BlobResult.setPropertiesFromBlob = function (webResource, blob) {
var setHeaderPropertyFromBlob = function (headerProperty, blobProperty) {
if (blob[blobProperty]) {
webResource.withHeader(headerProperty, blob[blobProperty]);
}
};
Eif (blob) {
// Content-Type
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CONTENT_TYPE, 'contentType');
// Content-Encoding
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CONTENT_ENCODING, 'contentEncoding');
// Content-MD5
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CONTENT_MD5, 'contentMD5');
// Content-Language
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CONTENT_LANGUAGE, 'contentLanguage');
// Content-Disposition
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CONTENT_DISPOSITION, 'contentDisposition');
// Cache-Control
setHeaderPropertyFromBlob(HeaderConstants.BLOB_CACHE_CONTROL, 'cacheControl');
// Lease id
setHeaderPropertyFromBlob(HeaderConstants.LEASE_ID, 'leaseId');
if (blob.metadata) {
webResource.addOptionalMetadataHeaders(blob.metadata);
}
}
};
module.exports = BlobResult;
|