(Node.js) Azure Storage: Get Blob Service Properties

Azure Storage Blob Service REST API: Sample code to get a blob's service properties.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // Azure Blob Service Example: Get Blob Service Properties

    // 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".
    var success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success !== true) {
        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.

    var responseStr = rest.FullRequestNoBody("GET","/?restype=service&comp=properties");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML 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());

    // Use the ChilkatPath method to get various pieces of information out
    // of the XML.  For example:

    console.log("Logging retention policy #days = " + xml.ChilkatPath("Logging|RetentionPolicy|Days|*"));
    console.log("Hour metrics include APIs = " + xml.ChilkatPath("HourMetrics|IncludeAPIs|*"));

    // <?xml version="1.0" encoding="utf-8" ?>
    // <StorageServiceProperties>
    //     <Logging>
    //         <Version>1.0</Version>
    //         <Read>true</Read>
    //         <Write>true</Write>
    //         <Delete>true</Delete>
    //         <RetentionPolicy>
    //             <Enabled>true</Enabled>
    //             <Days>7</Days>
    //         </RetentionPolicy>
    //     </Logging>
    //     <HourMetrics>
    //         <Version>1.0</Version>
    //         <Enabled>true</Enabled>
    //         <IncludeAPIs>true</IncludeAPIs>
    //         <RetentionPolicy>
    //             <Enabled>true</Enabled>
    //             <Days>7</Days>
    //         </RetentionPolicy>
    //     </HourMetrics>
    //     <MinuteMetrics>
    //         <Version>1.0</Version>
    //         <Enabled>false</Enabled>
    //         <RetentionPolicy>
    //             <Enabled>false</Enabled>
    //         </RetentionPolicy>
    //     </MinuteMetrics>
    //     <Cors />
    // </StorageServiceProperties>

}

chilkatExample();