What is the process for configuring the Authorization Header in ng2-signalr?

I am currently utilizing the library ng2-signalr within my ionic 2 project. I am facing an issue regarding setting the authorization header, as I have been unable to find any examples on how to do so.

Below is my code snippet for establishing a connection with the server hub:

let options: IConnectionOptions = { qs:{userId:1}, url: "http://192.168.0.211:44337"};

console.log("Stage 1");
//Header for 'this.singalR.connect'
this.signalR.connect(options)
    .then((connection) => {                      

        console.log("Client Id: " + connection.id);                     
     }, (err) => {
        console.log("SignalR Error: " + JSON.stringify(err));
    });

My question is how to properly set the following header:

var headers = new Headers({
        'Content-Type': "application/json",
        "Authorization": 'Bearer ' + accessToken  //accessToken contains bearer value.
    });

Refer to the library documentation: ng2-signalr

Update 1

On this post, a workaround is suggested to pass the authorization token in the query string and handle it accordingly. However, I prefer to set it in the header as I need to follow a different approach due to another client (Simple AngularJS SignalR) working successfully when the header is set as shown below:

$.signalR.ajaxDefaults.headers = { Authorization: //set your header here};  

Note: Prior to implementing the authorization header, the code was functioning without any issues.

Answer №1

Unfortunately, the ng2-signalr library does not currently support this feature in version 2.0.4.
As a temporary solution, you can use the following workaround:

declare var $: any;
$.signalR.ajaxDefaults.headers = new Headers({
        'Content-Type': "application/json",
        "Authorization": 'Bearer ' + accessToken  //accessToken contains the bearer value.
}); 

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