PSFPLInfo

1.0

Public/Authenticate.ps1

                                function Authenticate

{

<#

    .SYNOPSIS

        Common Authenitcation function

    .DESCRIPTION

        This function is used to authenticate with the

        FPL website.  It returns a websession.

#>    

    [cmdletbinding()]

    param(

        [string]$username,

        [string]$password

    )

    Write-Verbose "Attempt to authenticate with FPL servers";

    $securePassword = $password | ConvertTo-SecureString -asPlainText -Force;

    $Credential = New-Object System.Management.Automation.PSCredential($username,$securePassword);    

    $UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.19 Safari/537.36";

    $Uri = 'https://users.premierleague.com/accounts/login/';

    [Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls";

    $LoginResponse = Invoke-WebRequest -Uri $Uri -SessionVariable 'session' -UseBasicParsing;

    $CsrfToken = $LoginResponse.InputFields.Where{$_.name -eq 'csrfmiddlewaretoken'}.value;

    $Response = Invoke-WebRequest -Uri $Uri -WebSession $session -Method 'Post' -UseBasicParsing -Body @{

        'csrfmiddlewaretoken' = $CsrfToken

        'login'               = $Credential.UserName

        'password'            = $Credential.GetNetworkCredential().Password

        'app'                 = 'plfpl-web'

        'redirect_uri'        = 'https://fantasy.premierleague.com/a/login'

        'user-agent'          = $UserAgent

    };

    if (IsAuthenticated $session)

    {

        return $session;

    }

    else

    {

        throw "Erorr authenticating";

    }

}