Node.js
Outlook Send Email using MIME Format

This example sends an email using MIME format via the Microsoft Graph Outlook REST API.
Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // 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).

    var jsonToken = new chilkat.JsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/microsoftGraph.json");
    if (success == false) {
        console.log(jsonToken.LastErrorText);
        return;
    }

    http.AuthToken = jsonToken.StringOf("access_token");

    // To send email, we'll POST to the following endpoint:
    // 
    // POST /users/{id | userPrincipalName}/sendMail
    // 
    // (The special keyword "me" may be used in place of a principal name.)
    // 

    // The body of the POST request will contain the MIME source of the email in base64 format.

    // Create a new email object
    var email = new chilkat.Email();
    email.Subject = "Test Outlook API to Send HTML Email with Attachments";
    email.From = "Mary <mary@somewhere.com>";
    email.AddTo("Joe","joe@example.com");

    // Add a plain-text alternative body, which will likely never be seen.
    // (It is shown if the receiving email client is incapable of displaying HTML email.)
    email.AddPlainTextAlternativeBody("This is a plain-text alternative body...");

    // Our HTML will include an image, so add the related image here.
    var contentIdStarfish = email.AddRelatedFile("qa_data/jpg/starfish.jpg");
    if (email.LastMethodSuccess == false) {
        console.log(email.LastErrorText);
        return;
    }

    // The src attribute for the image tag is set to the contentIdStarfish:
    var sbHtml = new chilkat.StringBuilder();
    sbHtml.Append("<html><body><p>This is an HTML email with an embedded image.</p>");
    sbHtml.Append("<p><img src=\"cid:CONTENT_ID_STARFISH\" /></p></body></html>");
    var numReplacements = sbHtml.Replace("CONTENT_ID_STARFISH",contentIdStarfish);

    email.AddHtmlAlternativeBody(sbHtml.GetAsString());

    // Finally, add some attachments to the email.
    // Add a file attachment.
    success = email.AddFileAttachment2("qa_data/pdf/fishing.pdf","application/pdf");
    if (success == false) {
        console.log(email.LastErrorText);
        return;
    }

    // Add an attachment where the content is contained in a string.
    var content = "This is the content of the 2nd attached file.";
    email.AddStringAttachment("someText.txt",content);

    // Get the email as multi-line base64..
    var bdMime = new chilkat.BinData();
    email.GetMimeBd(bdMime);

    // Now get it as multi-line base64
    var sbBase64 = new chilkat.StringBuilder();
    bdMime.GetEncodedSb("base64_mime",sbBase64);

    // Send the HTTP POST (i.e. send the email)
    var resp = new chilkat.HttpResponse();
    success = http.HttpSb("POST","https://graph.microsoft.com/v1.0/me/sendMail",sbBase64,"utf-8","text/plain",resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    // The send succeeded if the response status code = 202.
    // In the success case, there is no response body.  (We just get the response code to know that it succeeded.)
    if (resp.StatusCode !== 202) {
        var json = new chilkat.JsonObject();
        json.Load(resp.BodyStr);
        json.EmitCompact = false;
        console.log(json.Emit());
        console.log("Failed, response status code = " + resp.StatusCode);
    }
    else {
        console.log("Outlook Mail Sent.");
    }


}

chilkatExample();