OAuth is offered by a wide variety of web services. The details of this process will vary slightly between different APIs. The GitHub documentation describes the process that must be followed: https://developer.github.com/v3/oauth/#web-application-flow.
OAuth needs a web browser
It is difficult to avoid the need for a web browser willing to execute JavaScript code when working with OAuth.
The example that follows can only be used with Windows PowerShell (not PowerShell Core) as it requires a Windows Presentation Framework (WPF)-based browser to extract a code from query string in a redirected web request.
It is difficult to avoid the need for a web browser willing to execute JavaScript code when working with OAuth.
The example that follows can only be used with Windows PowerShell (not PowerShell Core) as it requires a Windows Presentation Framework (WPF)-based browser to extract a code from query string in a redirected web request.