Node.js
Node.js
Azure Storage: List Blobs
See more Azure Cloud Storage Examples
Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat Node.js Downloads
NODEJS_PRELUDE
function chilkatExample() {
var success = false;
// Azure Blob Service Example: List the blobs in a specified container.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
var rest = new chilkat.Rest();
// Connect to the Azure Storage Blob Service
var bTls = true;
var port = 443;
var bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
if (success == false) {
console.log(rest.LastErrorText);
return;
}
// Provide Azure Cloud credentials for the REST call.
var azAuth = new chilkat.AuthAzureStorage();
azAuth.AccessKey = "AZURE_ACCESS_KEY";
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat";
azAuth.Scheme = "SharedKey";
azAuth.Service = "Blob";
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion = "2021-08-06";
success = rest.SetAuthAzureStorage(azAuth);
// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization. These headers
// are automatically set by Chilkat.
// The expected success response is a 200 response status code with an XML response body.
// In this example, we are listing the blobs in the container named "mycontainer".
var responseStr = rest.FullRequestNoBody("GET","/mycontainer?restype=container&comp=list");
if (rest.LastMethodSuccess == false) {
console.log(rest.LastErrorText);
return;
}
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.
if (rest.ResponseStatusCode !== 200) {
// Examine the request/response to see what happened.
console.log("response status code = " + rest.ResponseStatusCode);
console.log("response status text = " + rest.ResponseStatusText);
console.log("response header: " + rest.ResponseHeader);
console.log("response body (if any): " + responseStr);
console.log("---");
console.log("LastRequestStartLine: " + rest.LastRequestStartLine);
console.log("LastRequestHeader: " + rest.LastRequestHeader);
return;
}
// Load the XML response for parsing.
// An example of the response XML is shown below.
var xml = new chilkat.Xml();
success = xml.LoadXml(responseStr);
console.log(xml.GetXml());
// Let's iterate over the blobs...
var lastMod = new chilkat.CkDateTime();
var numBlobs = xml.NumChildrenAt("Blobs");
var i = 0;
var dt = new chilkat.DtObj();
while (i < numBlobs) {
console.log("---- Blob " + i + " ----");
xml.I = i;
console.log("Name: " + xml.GetChildContent("Blobs|Blob[i]|Name"));
console.log("Content-Length: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Length"));
console.log("Content-Type: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Type"));
console.log("Content-MD5: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-MD5"));
console.log("BlobType: " + xml.GetChildContent("Blobs|Blob[i]|Properties|BlobType"));
console.log("LeaseStatus: " + xml.GetChildContent("Blobs|Blob[i]|Properties|LeaseStatus"));
lastMod.SetFromRfc822(xml.GetChildContent("Blobs|Blob[i]|Properties|Last-Modified"));
lastMod.ToDtObj(true,dt);
console.log("Last-Modified YMD: " + dt.Year + "," + dt.Month + "," + dt.Day);
i = i+1;
}
console.log("-------------------------");
// Use the ChilkatPath method to get information for a specific blob:
// For example, let's say we want the Last-Modified date/time for
// the blob named "helloWorld.txt"
var lastModStr = xml.ChilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*");
console.log("helloWorld.txt Last-Modified: " + lastModStr);
console.log("Success.");
// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
// <Blobs>
// <Blob>
// <Name>hamletC.xml</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
// <Etag>0x8D372E48B6D323A</Etag>
// <Content-Length>279658</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>helloWorld.txt</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
// <Etag>0x8D3729D7EE38299</Etag>
// <Content-Length>12</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>thisIsATest.txt</Name>
// <Properties>
// <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
// <Etag>0x8D372E8F9B2A62E</Etag>
// <Content-Length>1600</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// </Blobs>
// <NextMarker />
// </EnumerationResults>
//
}
chilkatExample();