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Node js always Getting error 401 (Unauthorized)

I'm trying to make POST request on node.js to url, but always get ERROR 401 (Unauthorized).
const response = await fetch('url', {
method: 'POST',
mode: 'no-cors',
headers: {
"Content-Type": "text/html; charset=utf-8",
"Authorization": 'Basic ' + Buffer.from('username' + ":" + "password", 'base64').toString('base64')
},
body: ''
});
I'm tried to use btoa, however node.js does not support that...
headers.set('Authorization', 'Basic ' + btoa(username + ":" + password));

try this:
let loginData = "username" + ":" + "password";
let encodedData = new Buffer(loginData);
let base64data = encodedData.toString('base64');

ProductHunt API Authentication using jQuery

I'm trying to use the ProductHunt API using jQuery. To use the ProductHunt API, you need to authenticate before you can access the data. I'm using the OAuth Authentication.
Here is the code that I have got.
// api key and secret
key = "api key goes here"
secret = "api secret goes here"
var base_url = "https://api.producthunt.com/v1/"
var token_url = base_url +"oauth/token"
var today_post_url = base_url + "posts"
function get_token(){
var token = '';
$.ajax({
url: token_url,
type: "POST",
async: false,
header: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
data: {
"client_id": key,
"client_secret": secret,
"grant_type": 'client_credentials'
},
success: (function(res) {
token = res.access_token;
})
});
return (token);
}
function get_todays_posts() {
token = get_token();
console.log(token);
$.ajax({
url: today_post_url,
header: {
'Accept': 'application/json',
'Content-Type': 'application/json',
'Authorization': 'Bearer ' + token
},
success: (function(res){
return res;
})
})
}
But when I run get_todays_post(), I get a error message saying GET https://api.producthunt.com/v1/posts 401 (Unauthorized)

AngularJS service to send Twilio SMS messages

I've been experimenting with creating an AngularJS service that can be called from the controller and send text messages based on particular events in the application. The implementation is based on this, and works as follows:
Firstly, we have the service:
function BusinessService($http) {
this.twilioSMS = {
sendMessage: function(to, from, body) {
var accountSid = 'xxx';
var authToken = 'xxx';
var testEndpoint = 'https://api.twilio.com/2010-04-01/Accounts/' + accountSid + '/SMS/Messages.json';
var liveEndpoint = 'https://api.twilio.com/2010-04-01/Accounts/' + accountSid + '/Messages.json';
var data = {
To: to,
From: from,
Body: body
};
$http({
method: 'POST',
url: testEndpoint,
data: data,
dataType: 'json',
contentType: 'application/x-www-form-urlencoded',
beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization",
"Basic " + btoa(accountSid + ":" + authToken) // !
);
},
success: function(data) {
console.log("Got response: %o", data);
if (typeof successCallback == 'function')
successCallback(data);
},
error: function(jqXHR, textStatus, errorThrown) {
console.log("Request failed: " + textStatus + ", " + errorThrown);
if (typeof failCallback == 'function')
failCallback(jqXHR, textStatus, errorThrown);
}
})
}
}
}
Then setting it up in the controller:
function ConsumerBusinessProfileCtrl($scope, BusinessService) {
$scope.sendMessage = function(to, from, body) {
return BusinessService.twilioSMS.sendMessage(to, from, body)
}
}
And then calling it from the view:
<a ng-click="sendMessage('+12345678901', '+15005550006', 'Hey Jenny! Good luck on the bar exam!')">Send Message</a>
I've tested the jsfiddle example with my accountSid, authToken, and phone numbers and it is working fine. But my implementation fails with a 401 (UNAUTHORIZED) error. A part of me thinks that this is because $http does not support beforeSend or afterSend. But I am not sure? Can anybody here guide me in the right direction?

Changed $http to the following to fix things:
$http({
method: 'POST',
url: testEndpoint,
data: data,
transformRequest: function(obj) {
var str = [];
for (var p in obj)
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
return str.join("&");
},
headers: {
'Authorization': 'Basic ' + btoa(accountSid + ':' + authToken),
'Content-Type': 'application/x-www-form-urlencoded'
},
}).success(function(response) {
console.log(response);
}).error(function(error) {
console.log(error);
});
}

run ajax without authorization headers

I want to create ajax call with authorization headears only when user writes username and password. When this vars are empty I need to create ajax call without authorization headers. How can I do this? Can I make it with one ajax or I need to create two ajax every for one situation?
var username = "user123";
var password = "pass123";
//var username = "";
//var password = "";
$.ajax({
type: "GET",
url: url_survey,
dataType: "json",
headers: {
'Authorization': "Basic " + btoa(username + ":" + password)
},
success:
function (data) {
alert("SUCCESS");
},
error:
function (data) {
alert("ERROR");
}
});

Try this:
var username = "user123";
var password = "pass123";
//var username = "";
//var password = "";
var headers = {}; //list of headers
if(username && password) //user and pass exists
headers['Authorization'] = "Basic " + btoa(username + ":" + password);
$.ajax({
type: "GET",
url: url_survey,
dataType: "json",
headers: headers, //use our headers
success:
function (data) {
alert("SUCCESS");
},
error:
function (data) {
alert("ERROR");
}
});

The parameter passed to $.ajax is just an object. Just simply create it, add properties as needed, then send it to `$.ajax.
var ajaxData = {
type: "GET",
url: url_survey,
dataType: "json",
success:
function (data) {
alert("SUCCESS");
},
error:
function (data) {
alert("ERROR");
}
};
if(username && password){
ajaxData.headers = {
'Authorization': "Basic " + btoa(username + ":" + password)
};
}
$.ajax(ajaxData);

AJAX request failing in jQuery but not in NodeJS

I have a RESTful web service (hosted on a different server via IIS) that returns JSON. The strange thing is the following NodeJS command line test application (not via the web browser, but via the command line) is working fine and returning the JSON:
Working NodeJS App:
var request = require("request");
var btoa = require("btoa");
var uname = "corp\\user.name";
var pword = "password123"
var options = {
url: "http://192.168.3.142/v1/foo?format=json",
headers: {
"Authorization": "Basic " + btoa(uname + ":" + pword)
}
};
request(options, function(err, response, body) {
console.log(body);
});
However the following AJAX request fails with:
OPTIONS http://192.168.3.142/v1/foo?format=json 401 (Unauthorized) jquery-1.11.0.min.js:4
XMLHttpRequest cannot load http://192.168.3.142/v1/foo?format=json. Invalid HTTP status code 401
This is the response header from the server:
Response Headers:
Access-Control-Allow-Headers:Authorization
Access-Control-Allow-Methods:GET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Origin:*
Content-Length:1293
Content-Type:text/html
Date:Thu, 06 Mar 2014 05:41:24 GMT
Server:Microsoft-IIS/7.5
WWW-Authenticate:Basic realm="192.168.3.142"
X-Powered-By:ASP.NET
AJAX code:
$.ajaxSetup({
beforeSend: function (xhr, settings) {
var creds = {
username: "corp\\user.name",
password: "password123"
};
xhr.setRequestHeader("Authorization", "Basic " + btoa(creds.username + ":" + creds.password));
return true;
}
});
$.ajax({
type: "GET",
url: "http://192.168.3.142/v1/foo?format=json",
success: function (data, text) {
console.log(data);
}
});
UPDATE:
Throws the same 401 (Unauthorized):
var creds = {
username: "corp\\user.name",
password: "password123"
};
var credentials = btoa(creds.username + ":" + creds.password);
$.ajax({
type: "GET",
dataType: "text/json",
url: "http://192.168.3.142/v1/foo?format=json",
beforeSend: function (xhr) {
xhr.setRequestHeader("Authorization", "Basic " + credentials);
return true;
},
success: function (data, text) {
console.log(data);
}
});

Once I added xhrFields: { withCredentials: true } to the $.ajaxSetup({}); the error was returning:
Credentials flag is 'true', but the 'Access-Control-Allow-Credentials' header is ''. It must be 'true' to allow credentials.
I added Access-Control-Allow-Credentials: true on the server-side and it's now working correctly.
var creds = {
username: "username",
password: "password"
};
var credentials = btoa(creds.username + ":" + creds.password);
$.ajaxSetup({
xhrFields: { withCredentials: true },
beforeSend: function (xhr, settings) {
xhr.setRequestHeader("Authorization", "Basic " + credentials);
return true;
}
});
$.ajax({
type: "GET",
url: "http://localhost/v1/service",
async: true,
success: function (data, text) {
console.log(data);
}
});