How to send a token with an AJAX request from jQuery

user_2144199 0
Viewed 121067

I use express-jwt and create my token via jQuery and save it in my localStorage with: 

$.ajax({
  url: "http://localhost:8080/login",
  type: 'POST',
  data: formData,
  error : function(err) {
    console.log('Error!', err)
  },
  success: function(data) {
    console.log('Success!')
    localStorage.setItem('token', data.id_token);
  }
});

I have a protected route in my backend like: 

app.get('/upload',jwt({secret: config.secret}), function(req, res) {
  res.sendFile(path.join(__dirname + '/upload.html'));
});

How can I send the token from localStorage with the request header?

express-jwt jwt express jquery javascript
3 Answers

If you are using JWT authentication then this is how you add it to the headers in .ajax() method:

headers: {
    Authorization: 'Bearer '+token
}

,

user_43563000

I use the approach below to cover JWT authentication with the result status types 

$.ajax({
  url: "http://localhost:8080/login",
  type: "POST",
  headers: { Authorization: $`Bearer ${localStorage.getItem("token")}` },
  data: formData,
  error: function(err) {
    switch (err.status) {
      case "400":
        // bad request
        break;
      case "401":
        // unauthorized
        break;
      case "403":
        // forbidden
        break;
      default:
        //Something bad happened
        break;
    }
  },
  success: function(data) {
    console.log("Success!");
  }
});
user_26304270
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