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cos.js
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cos.js
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/**
* Copyright 2018 IBM Corp.
*
* 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.
*
* Author: Olaf Hahn
**/
module.exports = function(RED) {
"use strict";
// require any external libraries ....
// Cloud Object Storage Get Node - Main Function
function COSGetNode(n) {
// Create a RED node
RED.nodes.createNode(this,n);
// Store local copies of the node configuration (as defined in the .html)
this.bucket = n.bucket;
this.objectname = n.objectname;
this.mode = n.mode;
this.filepath = n.filepath;
this.filename = n.filename;
this.geturl = n.geturl;
this.geturlExpiry = n.geturlExpiry;
this.name = n.name;
// Retrieve the Cloud Object Storage config node
this.cosconfig = RED.nodes.getNode(n.cosconfig);
// copy "this" object in case we need it in context of callbacks of other functions.
var node = this;
// Check if the Config to the Service is given
if (this.cosconfig) {
// Do something with:
node.status({fill:"blue",shape:"ring",text:"cos.status.initializing"});
} else {
// No config node configured
node.warn(RED._("cos.warn.missing-credentials"));
node.status({fill:"red",shape:"ring",text:"cos.status.missing-credentials"});
// node.warn('Cloud Object Storage Get: No object storage service configuration found!');
return;
}
// respond to inputs....
this.on("input", function (msg) {
// Local Modules
var fs = require("fs");
var localdir = __dirname;
var ibmcos = require("ibm-cos-sdk");
// Local Vars
var filename;
var filepath;
var objectname;
var filefqn;
var bucket;
var mode;
var geturl = node.geturl || msg.geturl;
var expiry = parseInt(node.geturlExpiry);
var config;
// Help Debug
console.log("Cloud Object Storage Get (log): Init done");
// Set the status to green
node.status({fill:"green",shape:"ring",text:"cos.status.connected"});
// Check ObjectName
if ((msg.objectname) && (msg.objectname.trim() !== "")) {
objectname = msg.objectname;
} else {
objectname = node.objectname;
}
// Check Filename
if ((msg.filename) && (msg.filename.trim() !== "")) {
filename = msg.filename;
} else {
if (node.filename) {
filename = node.filename;
} else {
filename = objectname;
}
}
// Check filepath
if ((msg.filepath) && (msg.filepath.trim() !== "")) {
filepath = msg.filepath;
} else {
if (node.filepath) {
filepath = node.filepath;
} else {
filepath = localdir;
}
}
// Check mode
if ((msg.mode) && (msg.mode.trim() !== "")) {
mode = msg.mode;
} else {
mode = node.mode;
}
// Set FQN for this file
filefqn = filepath + filename;
// Check bucket
if ((msg.bucket) && (msg.bucket.trim() !== "")) {
bucket = msg.bucket;
} else {
if (node.bucket) {
bucket = node.bucket;
} else {
bucket = "DefaultBucket";
}
}
// Check hmac
var hmac = node.cosconfig.hmac;
if (hmac) {
// Create HMAC Credentials
var accessKeyId = node.cosconfig.accesskeyid;
var secretAccessKey = node.cosconfig.accesskey;
var cred = new ibmcos.Credentials(accessKeyId, secretAccessKey);
// Enable the Cloud Object Storage Service Call without hmac credentials
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
signatureVersion: "v4",
credentials: cred
};
geturl = node.geturl || msg.geturl;
console.log("Cloud Object Storage Get (log): Config with HMAC: "+hmac + " --- GETURL: "+geturl);
} else {
// Enable the Cloud Object Storage Service Call with hmac enabled
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
};
// Url could not be created because of missing signature
geturl = false;
console.log("Cloud Object Storage Get (log): Config without HMAC: "+hmac+" ---GETURL: "+geturl);
}
// Create Access Instance
var cos = new ibmcos.S3(config);
if(mode == "2") {
// Generate URL to the object if needed
console.log("Cloud Object Storage Get (log): Signing -- " + bucket + "/" + objectname + "(" + expiry +")" )
var gurl = cos.getSignedUrl("getObject", {
Bucket: bucket,
Key: objectname,
Expires: expiry
}, function (err, url) {
if (err) {
// Send error back
node.status({fill:"yellow",shape:"ring",text:"cos.status.url-gen-failed"});
node.error(RED._("cos.error.url-gen-failed", {err:err}));
return;
}
console.log("Cloud Object Storage Get (log): The URL is", url);
msg.url = url;
msg.payload = '';
node.send(msg);
});
}
else {
// Get the Object from the Cloud Object Storage
node.status({fill:"green",shape:"dot",text:"cos.status.downloading"});
cos.getObject({
Bucket: bucket,
Key: objectname
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.failed-to-fetch", {err:err}));
return;
}
// mode defines if it is a filebased save or buffermode into payload
if (mode == "0") {
// Download into new File
var opt = {
encoding : null
};
fs.writeFileSync(filefqn, data, opt);
msg.payload = filefqn;
msg.filename = filename;
msg.filepath = filepath;
msg.objectname = objectname;
console.log("Cloud Object Storage Get (log): write into file - ", filefqn);
} else {
// store the obj directly from msg.payload
//if (format == "utf8") {
// msg.payload = data.Body.toString('utf8');
//} else {
msg.objectname = objectname;
msg.payload = data.Body;
//}
console.log("Cloud Object Storage Get (log): object loaded",objectname);
}
// Generate URL to the object if needed
if (geturl) {
// Get the URL to the object
var gurl = cos.getSignedUrl("getObject", {
Bucket: bucket,
Key: objectname,
Expires: expiry
}, function (err, url) {
if (err) {
// Send error back
node.status({fill:"yellow",shape:"ring",text:"cos.status.url-gen-failed"});
node.error(RED._("cos.error.url-gen-failed", {err:err}));
return;
}
console.log("Cloud Object Storage Get (log): The URL is", url);
msg.url = url;
});
}
// Set the node-status
node.status({fill:"green",shape:"ring",text:"cos.status.ready"});
// Send the output back
node.send(msg);
});
};
});
// respond to close....
this.on("close", function(removed, done) {
if (removed) {
// This node has been deleted
} else {
// This node is being restarted
}
node.status({});
done();
});
}
RED.nodes.registerType("cos-get",COSGetNode);
// Cloud Object Storage Put Node - Main Function
function COSPutNode(n) {
// Create a RED node
RED.nodes.createNode(this,n);
// Store local copies of the node configuration (as defined in the .html)
this.mode = n.mode;
this.filepath = n.filepath;
this.filename = n.filename;
this.objectname = n.objectname;
this.contentType = n.contentType;
this.bucket = n.bucket;
this.create = n.create;
this.geturl = n.geturl;
this.geturlExpiry = n.geturlExpiry;
this.name = n.name;
// Retrieve the Object Storage config node
this.cosconfig = RED.nodes.getNode(n.cosconfig);
// copy "this" object in case we need it in context of callbacks of other functions.
var node = this;
// Check if the Config to the Service is given
if (this.cosconfig) {
// Do something with the config
node.status({fill:"blue",shape:"ring",text:"cos.status.initializing"});
} else {
// No config node configured
node.warn(RED._("cos.warn.missing-credentials"));
node.status({fill:"red",shape:"ring",text:"cos.status.missing-credentials"});
return;
}
// respond to inputs....
this.on("input", function (msg) {
// Local Vars and Modules
var fs = require("fs");
var localdir = __dirname;
var ibmcos = require("ibm-cos-sdk");
var mode;
var filename;
var filepath;
var fileformat;
var contentType;
var objectname;
var filefqn;
var bucket;
var create;
var geturl = node.geturl || msg.geturl;
var expiry = parseInt(node.geturlExpiry);
var config;
// Help Debug
console.log("Cloud Object Storage Put (log): Init done");
// Set the status to green
node.status({fill:"green",shape:"ring",text:"cos.status.connected"});
// Check mode
if ((msg.mode) && (msg.mode.trim() !== "")) {
mode = msg.mode;
} else {
if (node.mode) {
mode = node.mode;
} else {
mode = "1";
}
}
// Check Filename
if ((msg.filename) && (msg.filename.trim() !== "")) {
filename = msg.filename;
} else {
if (node.filename) {
filename = node.filename;
} else {
// Error ?!!?
}
}
// Check filepath
if ((msg.filepath) && (msg.filepath.trim() !== "")) {
filepath = msg.filepath;
} else {
if (node.filepath) {
filepath = node.filepath;
} else {
filepath = localdir;
}
}
// Set the right mime-format
if ((msg.contentType) && (msg.contentType.trim() !== "")) {
contentType = msg.contentType;
} else {
if (node.contentType) {
contentType = node.contentType;
}
}
// Set FQN for this file
filefqn = filepath + filename;
// Check objectname and define against objectmode
if ((msg.objectname) && (msg.objectname.trim() !== "")) {
objectname = msg.objectname;
} else {
if (node.objectname) {
objectname = node.objectname;
} else {
objectname = filename;
}
}
// Check bucket
if ((msg.bucket) && (msg.bucket.trim() !== "")) {
bucket = msg.bucket;
} else {
if (node.bucket) {
bucket = node.bucket;
} else {
// Error
}
}
// Check create - if bucket not exists create ?
if ((msg.create) && (msg.create.trim() !== "")) {
create = msg.create;
} else {
if (node.create) {
create = node.create;
} else {
create = "0";
}
}
// Check hmac credentials if provided
var hmac = node.cosconfig.hmac;
if (hmac) {
// Create HMAC Credentials
var accessKeyId = node.cosconfig.accesskeyid;
var secretAccessKey = node.cosconfig.accesskey;
var cred = new ibmcos.Credentials(accessKeyId, secretAccessKey);
// Enable the Cloud Object Storage Service Call without hmac credentials
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
signatureVersion: "v4",
credentials: cred
};
geturl = node.geturl || msg.geturl;
} else {
// Enable the Cloud Object Storage Service Call with hmac enabled
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
};
// Url could not be created because of missing signature
geturl = false;
}
// Create Access Instance
var cos = new ibmcos.S3(config);
// Fill body with the content
var body;
// mode is buffermode or filebased - get the data into body
if (mode == "0") {
// Check if
if (fs.existsSync(filefqn) === false) {
// File does not exists - send error
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.errors.file-not-found", {err:filefqn}));
return;
}
// Upload from File
body = fs.createReadStream(filefqn);
// get Filesize
var stats = fs.statSync(filefqn);
var fileSizeInBytes = stats['size'];
} else {
// store the obj directly from msg.payload
body = new Buffer(msg.payload, "binary");
}
console.log("URL: " + geturl + "HMAC: " + hmac);
// Start the upload
node.status({fill:"green",shape:"dot",text:"cos.status.uploading"});
// Check if Bucket exists and create (if seleced)
if (create == "0") {
// Put the Object to the IBM Cloud Object Storage
cos.putObject({
Bucket: bucket,
Body: body,
Key: objectname,
'Content-Type': contentType
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.upload-failed", {err:err}));
return;
}
// Provide the needed Feedback
msg.objectname = objectname;
msg.filefqn = filefqn;
console.log("Cloud Object Storage Put (log): object stored",objectname);
// Generate URL to the object if needed
if (geturl) {
// Get the URL to the object
var gurl = cos.getSignedUrl("getObject", {
Bucket: bucket,
Key: objectname,
Expires: expiry
}, function (err, url) {
if (err) {
// Send error back
node.status({fill:"yellow",shape:"ring",text:"cos.status.url-gen-failed"});
node.error(RED._("cos.error.url-gen-failed", {err:err}));
return;
}
console.log("Cloud Object Storage Put (log): The URL is", url);
msg.url = url;
node.send(msg);
});
}
// Set the node-status
node.status({fill:"green",shape:"ring",text:"cos.status.ready"});
// Send the output back
if (!geturl){
node.send(msg);
}
});
} else {
cos.headBucket({
Bucket: bucket
}, function (err, data) {
if (err) {
// Bucket not exists
if (err.statusCode === 404) {
// Define the right Storage Location on Standard Storage Class
var location;
switch(node.cosconfig.location) {
case "us-geo":
location = "us-standard";
break;
case "eu-geo":
location = "eu-standard";
break;
case "ap-geo":
location = "ap-standard";
break;
case "us-south":
location = "us-south-standard";
break;
case "us-east":
location = "us-east-standard";
break;
case "eu-gb":
location = "eu-gb-standard";
break;
case "eu-de":
location = "eu-de-standard";
break;
case "che01":
location = "che01-standard";
break;
case "tor01":
location = "tor01-standard";
break;
case "mel01":
location = "mel01-standard";
break;
}
// Create the bucket
cos.createBucket({
Bucket: bucket,
CreateBucketConfiguration: {
LocationConstraint: location
}
}, function(err, data) {
if (err) {
// Send error back
console.log(err);
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.bucket-not-created", {err:message}));
return;
}
// Put the Object to the IBM Cloud Object Storage
cos.putObject({
Bucket: bucket,
Body: body,
Key: objectname,
'Content-Type': contentType
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.upload-failed", {err:err}));
return;
}
// Provide the needed Feedback
msg.objectname = objectname;
msg.filefqn = filefqn;
console.log("Cloud Object Storage Put (log): object stored",objectname);
// Generate URL to the object if needed
if (geturl) {
// Get the URL to the object
var gurl = cos.getSignedUrl("getObject", {
Bucket: bucket,
Key: objectname
}, function (err, url) {
if (err) {
// Send error back
node.status({fill:"yellow",shape:"ring",text:"cos.status.url-gen-failed"});
node.error(RED._("cos.error.url-gen-failed", {err:err}));
return;
}
console.log("Cloud Object Storage Put (log): The URL is", url);
msg.url = url;
node.send(msg);
});
}
// Set the node-status
node.status({fill:"green",shape:"ring",text:"cos.status.ready"});
// Send the output back
if (!geturl){
node.send(msg);
};
});
});
} else {
// Send error back
console.log(err);
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.bucket-not-created", {err:err}));
return;
}
}
// Put the Object to the IBM Cloud Object Storage
cos.putObject({
Bucket: bucket,
Body: body,
Key: objectname,
'Content-Type': contentType
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.upload-failed", {err:err}));
return;
}
// Provide the needed Feedback
msg.objectname = objectname;
msg.filefqn = filefqn;
console.log("Cloud Object Storage Put (log): object stored",objectname);
// Generate URL to the object if needed
if (geturl) {
// Get the URL to the object
var gurl = cos.getSignedUrl("getObject", {
Bucket: bucket,
Key: objectname
}, function (err, url) {
if (err) {
// Send error back
node.status({fill:"yellow",shape:"ring",text:"cos.status.url-gen-failed"});
node.error(RED._("cos.error.url-gen-failed", {err:err}));
return;
}
console.log("Cloud Object Storage Put (log): The URL is", url);
msg.url = url;
});
}
// Set the node-status
node.status({fill:"green",shape:"ring",text:"cos.status.ready"});
// Send the output back
node.send(msg);
});
});
}
});
// respond to close....
this.on("close", function(removed, done) {
if (removed) {
// This node has been deleted
} else {
// This node is being restarted
}
node.status({});
done();
});
}
RED.nodes.registerType("cos-put",COSPutNode);
// Object Storage Del Node
function COSDelNode(n) {
// Create a RED node
RED.nodes.createNode(this,n);
// Store local copies of the node configuration (as defined in the .html)
this.bucket = n.bucket;
this.objectname = n.objectname;
this.name = n.name;
// Retrieve the Object Storage config node
this.cosconfig = RED.nodes.getNode(n.cosconfig);
// copy "this" object in case we need it in context of callbacks of other functions.
var node = this;
// Check if the Config to the Service is given
if (this.cosconfig) {
// Do something with the config
node.status({fill:"blue",shape:"ring",text:"cos.status.initializing"});
} else {
// No config node configured
node.warn(RED._("cos.warn.missing-credentials"));
node.status({fill:"red",shape:"ring",text:"cos.status.missing-credentials"});
return;
}
// respond to inputs....
this.on("input", function (msg) {
// Local Vars and Modules
var ibmcos = require("ibm-cos-sdk");
var objectname;
var bucket;
var config;
// Help Debug
console.log("Cloud Object Storage Del (log): Init done");
// Set the status to green
node.status({fill:"green",shape:"ring",text:"cos.status.connected"});
// Check ObjectName
if ((msg.objectname) && (msg.objectname.trim() !== "")) {
objectname = msg.objectname;
} else {
objectname = node.objectname;
}
// Check bucket
if ((msg.bucket) && (msg.bucket.trim() !== "")) {
bucket = msg.bucket;
} else {
if (node.bucket) {
bucket = node.bucket;
} else {
bucket = "DefaultBucket";
}
}
// Check hmac
var hmac = node.cosconfig.hmac;
if (hmac) {
// Create HMAC Credentials
var accessKeyId = node.cosconfig.accesskeyid;
var secretAccessKey = node.cosconfig.accesskey;
var cred = new ibmcos.Credentials(accessKeyId, secretAccessKey);
// Enable the Cloud Object Storage Service Call without hmac credentials
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
signatureVersion: "v4",
credentials: cred
};
} else {
// Enable the Cloud Object Storage Service Call with hmac enabled
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
};
}
// Create Access Instance
var cos = new ibmcos.S3(config);
// Delete the Object from the Cloud Object Storage
node.status({fill:"green",shape:"dot",text:"cos.status.deleting"});
// Check if object exists in the bucket
cos.headObject({
Bucket: bucket,
Key: objectname
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.errors.object-not-found", {err:err}));
msg.error = err;
msg.status = "notfound";
node.send(msg);
return;
} else {
// delete the object out of the bucket
cos.deleteObject({
Bucket: bucket,
Key: objectname
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.error.delete-failed", {err:err}));
msg.error = err;
msg.status = "delete error";
node.send(msg);
return;
}
// store feedback values
msg.objectname = objectname;
msg.error = "";
msg.status = "deleted";
console.log("Cloud Object Storage Del (log): object deleted",objectname);
// Set the node-status
node.status({fill:"green",shape:"ring",text:"cos.status.ready"});
// Send the output back
node.send(msg);
});
}
});
});
// respond to close....
this.on("close", function(removed, done) {
if (removed) {
// This node has been deleted
} else {
// This node is being restarted
}
node.status({});
done();
});
}
RED.nodes.registerType("cos-del",COSDelNode);
// Object Storage Qry Node
function COSQryNode(n) {
// Create a RED node
RED.nodes.createNode(this,n);
// Store local copies of the node configuration (as defined in the .html)
this.list = n.list;
this.bucket = n.bucket;
this.objectname = n.objectname;
this.maxkeys = n.maxkeys;
this.name = n.name;
// Retrieve the Object Storage config node
this.cosconfig = RED.nodes.getNode(n.cosconfig);
// copy "this" object in case we need it in context of callbacks of other functions.
var node = this;
// Check if the Config to the Service is given
if (this.cosconfig) {
// Do something with the config
node.status({fill:"blue",shape:"ring",text:"cos.status.initializing"});
} else {
// No config node configured
node.warn(RED._("cos.warn.missing-credentials"));
node.status({fill:"red",shape:"ring",text:"cos.status.missing-credentials"});
return;
}
// respond to inputs....
this.on("input", function (msg) {
// Local Vars and Modules
var ibmcos = require('ibm-cos-sdk');
var objectname;
var list;
var bucket;
var maxkeys = node.maxkeys || msg.maxkeys;
var config;
// Help Debug
console.log("Cloud Object Storage Qry (log): Init done");
// Set the status to green
node.status({fill:"green",shape:"ring",text:"cos.status.connected"});
// Check List
if ((msg.list) && (msg.list.trim() !== "")) {
list = msg.list;
} else {
list = node.list;
}
// Check ObjectName
if ((msg.objectname) && (msg.objectname.trim() !== "")) {
objectname = msg.objectname;
} else {
objectname = node.objectname;
}
// Check bucket
if ((msg.bucket) && (msg.bucket.trim() !== "")) {
bucket = msg.bucket;
} else {
if (node.bucket) {
bucket = node.bucket;
} else {
bucket = "DefaultBucket";
}
}
// Check hmac
var hmac = node.cosconfig.hmac;
if (hmac) {
// Create HMAC Credentials
var accessKeyId = node.cosconfig.accesskeyid;
var secretAccessKey = node.cosconfig.accesskey;
var cred = new ibmcos.Credentials(accessKeyId, secretAccessKey);
// Enable the Cloud Object Storage Service Call without hmac credentials
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
signatureVersion: "v4",
credentials: cred
};
} else {
// Enable the Cloud Object Storage Service Call with hmac enabled
config = {
endpoint: node.cosconfig.endpoint,
apiKeyId: node.cosconfig.apiKeyId,
ibmAuthEndpoint: node.cosconfig.ibmAuthEndpoint,
serviceInstanceId: node.cosconfig.serviceInstanceId,
};
}
// Create Access Instance
var cos = new ibmcos.S3(config);
// Get the Object from the Cloud Object Storage
node.status({fill:"green",shape:"dot",text:"cos.status.query"});
// List buckets or list objects
if (list == "1") {
// List of all objects
cos.listObjects({
Bucket: bucket,
MaxKeys: maxkeys
// Key: objectname
}, function(err, data) {
if (err) {
// Send error back
node.status({fill:"red",shape:"ring",text:"cos.status.failed"});
node.error(RED._("cos.errors.object-not-found", {err:err}));
msg.error = err;
msg.found = 0;
msg.payload = [];
node.send(msg);
return;
}
// store feedback values
var num = data.Contents.length;
var retarr = new Array();
var x;
for (x in data.Contents) {
var elem = {
Key: data.Contents[x].Key,
Size: data.Contents[x].Size,