Error while making an API call in AngularJS using the $http GET method

I'm currently in the process of developing a straightforward app using Angular that will interact with my API. To test the code, I'm utilizing a virtual machine and accessing it on my computer. When calling the API from my local machine, I can use cURL or any other HTTP client, and everything functions smoothly. For instance:

curl -k --user [email protected]:password

This example would retrieve a list of travelers. Since the certificate is invalid, I had to "trust" it. Initially, when making the call from the browser, I encountered a net::ERR_INSECURE_RESPONSE error. However, after adding an exception for the API URL, the issue no longer persists. Additionally, basic authentication was required, which appears to be functioning correctly. Take a look at my code below and let me know if you notice any errors. I'm following a tutorial that involves consuming an external API: http://www.example.com/angular-tutorial

app.js:

angular.module('TravelApp', [
    'TravelApp.controllers',
    'TravelApp.services'
]);

services.js:

angular.module('TravelApp.services', [])
.factory('TravelAPIService', function($http) {
    var travelAPI = {};

    $http.defaults.headers.common.Authorization = 'Basic ABC743HFEd...=';

    travelAPI.getTravelers = function() {
        return $http({
            method: 'GET',
            url: 'https://api.my.domain.com/v1/traveler/get'
        });
    }

    return travelAPI;
});

Finally, controllers.js:

angular.module('TravelApp.controllers', [])
.controller('travelersController', function($scope, TravelAPIService) {
    $scope.travelersList = [];

    TravelAPIService.getTravelers()
    .success(function(data) {
        console.log('SUCCESS');
        $scope.travelersList = data;
    })
    .error(function(data, status) {
        console.log('ERROR');
        $scope.data = data || "Request failed";
        $scope.status = status;
    });
});

The error status code is 0, and the error data returns an empty string.

Answer №1

Additional Information:

I encountered the same issue when using an HTTP POST request. After thorough investigation, I am confident in the following conclusions:

  • No requests were sent to the server.
  • The problem lies with Angular not sending the query as expected.

After much troubleshooting, I discovered the root cause:

It seems that the issue arises from attempting to connect to a self-signed HTTPS server. Chrome identifies this connection as insecure and blocks it.

To resolve this issue, I accessed the URL directly in my browser and manually accepted the certificate.

For further reference, you may find this related topic helpful: XMLHttpRequest to a HTTPS URL with a self-signed certificate

Answer №2

It is recommended to utilize a Trusted CA Signed SSL Certificate instead of Self-Signed Certificates to resolve your issue, as many popular browsers such as Google Chrome and Firefox do not support self-signed certificates.

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