(Node.js) OneDrive -- Download Text File to Memory

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object.

Note: This example requires Chilkat v9.5.0.68 or greater.

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-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var http = new chilkat.Http();

    // Use your previously obtained access token here:
    // See the following examples for getting an access token:
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //    Refresh Access Token (Azure AD v2.0 Endpoint).
    //    Refresh Access Token (Azure AD Endpoint).

    // (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
    http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN";

    // Sends the following GET request:
    // GET https://graph.microsoft.com/v1.0/me/drive/root:/{item-path}:/content

    // Make sure to automatically follow redirects
    http.FollowRedirects = true;

    // This example will download /Misc/hamlet.xml
    http.SetUrlVar("item_path","Misc/hamlet.xml");

    var sbXml = new chilkat.StringBuilder();
    var expectedCharset = "utf-8";
    var url = "https://graph.microsoft.com/v1.0/me/drive/root:/{$item_path}:/content";
    var success = http.DownloadSb(url,expectedCharset,sbXml);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // If the response status code was not 200, then it failed.
    if (http.LastStatus !== 200) {
        console.log("Response Status Code = " + http.LastStatus);
        console.log("Failed.");
        return;
    }

    // If we got here, then the file was successfully downloaded.
    console.log("Download from OneDrive successful.");
    console.log("The file is contained in sbXml.");

}

chilkatExample();