Convert Email and Outlook Messages to PDF using Node.js

ConvertEmlMsgToPDF_NodeJs.md

Learn how to convert EML and MSG files to PDF documents using a REST API in Node.js: https://blog.groupdocs.cloud/2021/09/09/convert-email-and-outlook-messages-to-pdf-using-node-js/

The following topics are covered here:

1. API Configurations
2. Upload EML File on the Cloud
3. Convert EML to PDF using a REST API in Node.js
4. Download the converted PDF
5. MSG to PDF Conversion using a REST API in Node.js
6. Convert Email Attachments to PDF using REST API in Node.js

ConvertEmlMsgToPDF_NodeJs_Configurations.js

global.clientId = "112f0f38-9dae-42d5-b4fc-cc84ae644972";
global.clientSecret = "16ad3fe0bdc39c910f57d2fd48a5d618";
global.myStorage = "";

const config = new groupdocs_conversion_cloud.Configuration(clientId, clientSecret);
config.apiBaseUrl = "https://api.groupdocs.cloud";

ConvertEmlMsgToPDF_NodeJs_ConvertAttachments.js

// initialize convert api
let convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);

// define convert settings
var settings = new groupdocs_conversion_cloud.ConvertSettings();
settings.storageName = myStorage;
settings.filePath = "sample.msg"; // input file
settings.format = "pdf";          // output format
settings.outputPath = "output.pdf";

// define eml load options
var loadOptions = new groupdocs_conversion_cloud.MsgLoadOptions();
loadOptions.convertAttachments = true;

settings.loadOptions = loadOptions;

// create convert document request
var request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
// convert document
convertApi.convertDocument(request);
console.log("Document converted successfully: " + response[0].url);

ConvertEmlMsgToPDF_NodeJs_Download.js

// construct FileApi
var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);

// create donwload file request
let request = new groupdocs_conversion_cloud.DownloadFileRequest("output.pdf", myStorage);

// download file
let response = await fileApi.downloadFile(request);

// save in your working directory
fs.writeFile("C:\\Files\\output.pdf", response, "binary", function (err) { });
console.log(response);

ConvertEmlMsgToPDF_NodeJs_EMLtoPDF.js

// initialize convert api
let convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);

// define convert settings
var settings = new groupdocs_conversion_cloud.ConvertSettings();
settings.storageName = myStorage;
settings.filePath = "sample.eml"; // input file
settings.format = "pdf";          // output format

// define eml load options
var loadOptions = new groupdocs_conversion_cloud.EmlLoadOptions();
loadOptions.displayHeader = true;           // display email header
loadOptions.displayFromEmailAddress = true; // display "from" email address
loadOptions.displayToEmailAddress = true;   // display "to" email address
loadOptions.displayEmailAddress = true;     // display email address
loadOptions.displayCcEmailAddress = true;   // display "cc" email address
loadOptions.displayBccEmailAddress = true;  // display "bcc" email address

settings.loadOptions = loadOptions;

// define pdf convert options
let convertOptions = new groupdocs_conversion_cloud.PdfConvertOptions();
convertOptions.centerWindow = true;	// set position of the document's window. Default: false.
convertOptions.marginTop = 50;			// top margin
convertOptions.marginLeft = 50;			// left margin

settings.convertOptions = convertOptions;
settings.outputPath = "output.pdf";

// create convert document request
var request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
// convert document
convertApi.convertDocument(request);
console.log("Document converted successfully: " + response[0].url);

ConvertEmlMsgToPDF_NodeJs_MSGtoPDF.js

// initialize convert api
let convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);

// define convert settings
var settings = new groupdocs_conversion_cloud.ConvertSettings();
settings.storageName = myStorage;
settings.filePath = "sample.msg"; // input file
settings.format = "pdf";          // output format

// define eml load options
var loadOptions = new groupdocs_conversion_cloud.MsgLoadOptions();
loadOptions.displayCcEmailAddress = false;   // display "cc" email address
loadOptions.displayBccEmailAddress = false;  // display "bcc" email address

settings.loadOptions = loadOptions;
settings.outputPath = "output.pdf";

// create convert document request
var request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
// convert document
convertApi.convertDocument(request);
console.log("Document converted successfully: " + response[0].url);

ConvertEmlMsgToPDF_NodeJs_Upload.js

// open file in IOStream from local/disc.
var resourcesFolder = 'C:\\Files\\sample.eml';
// read file
fs.readFile(resourcesFolder, (err, fileStream) => {
  // construct FileApi
  var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);
  // create upload file request
  var request = new groupdocs_conversion_cloud.UploadFileRequest("sample.eml", fileStream, myStorage);
  // upload file
  fileApi.uploadFile(request);
});