Chilkat Examples

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(Node.js) Yahoo Mail Refresh OAuth2 Access Token

See more Yahoo Mail Examples

Demonstrates how to refresh an OAuth2 Yahoo Mail access token.

For more information, see https://developer.yahoo.com/oauth2/guide/

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.

    // It is assumed we previously obtained an OAuth2 access token.
    // This example loads the JSON access token file 
    // saved by this example: Get Yahoo Mail OAuth2 Access Token

    var jsonToken = new chilkat.JsonObject();
    var success = jsonToken.LoadFile("qa_data/tokens/yahooMail.json");
    if (success !== true) {
        console.log("Failed to load googleSheets.json");
        return;
    }

    // The access token JSON looks like this:

    // {
    //   "access_token": "kCVQdnOdul...LHucA--",
    //   "refresh_token": "AIenVWETSo0jklFBVkPS8vVm8E.Dj9ToRG.xDbDYmZ55WIs5t6CZhDkD",
    //   "expires_in": 3600,
    //   "token_type": "bearer",
    //   "xoauth_yahoo_guid": "HGDQCVF6JB4YDOWHITPJFBHCWA"
    // }

    var oauth2 = new chilkat.OAuth2();

    // See Step 5 at https://developer.yahoo.com/oauth2/guide/flows_authcode/
    oauth2.TokenEndpoint = "https://api.login.yahoo.com/oauth2/get_token";

    // Replace these with actual values.
    oauth2.ClientId = "CLIENT_ID";
    oauth2.ClientSecret = "CLIENT_SECRET";

    // Get the "refresh_token"
    oauth2.RefreshToken = jsonToken.StringOf("refresh_token");

    // Send the HTTP POST to refresh the access token..
    success = oauth2.RefreshAccessToken();
    if (success !== true) {
        console.log(oauth2.LastErrorText);
        return;
    }

    // The response contains a new access token, but we must keep
    // our existing refresh token for when we need to refresh again in the future.
    jsonToken.UpdateString("access_token",oauth2.AccessToken);

    // Save the new JSON access token response to a file.
    var sbJson = new chilkat.StringBuilder();
    jsonToken.EmitCompact = false;
    jsonToken.EmitSb(sbJson);
    sbJson.WriteFile("qa_data/tokens/yahooMail.json","utf-8",false);

    console.log("OAuth2 authorization granted!");
    console.log("New Access Token = " + oauth2.AccessToken);

}

chilkatExample();

 

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