PSBlog006

gistfile1.txt

Function Login-Acumatica
{
#This OutputType allows you to strongly type the return object from this function
#In this case we are going to encapsulate the WebRequestSession object initialization and return it
#to the calling process as to be used in other functions. This is needed as to pass the authentication
#State to other functions that need it. Don’t forget to use the Logout-Acumatica function else you will incur
#unnecessary User Logins if they are left open.
[OutputType([Microsoft.PowerShell.Commands.WebRequestSession])]
param(
	$User = $Null,
	$Password = $Null,
	$Tenant,
	$EndPoint
)
 
	if($User -eq $Null)
	{
    		#This is a great way to *not* store sensitinve information into a plain text
    		#file such as this script. This keeps IT Managers very happy.
    		#Dont be the person that exposes sensitive authentication information
    		#That in turn gets your system hacked.  If you need to automate a script in a 
		#scheduler look into using a PowerShell secure-string
    		#To save your credentials to disk in a secure way.
    		#That would in turn allow for a fully autonomous execution of a script without 
		#storing sensitive information in an insecure manner
    		$credentials = Get-Credential
    		$user = $credentials.UserName
    		$Password = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($credentials.Password))
	}
	$WebSession = New-Object Microsoft.PowerShell.Commands.WebRequestSession
	$headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
	$headers.Add("Content-Type", "application/json")
	$body = "{`n	`"name`":`"$User`",`n  	`"password`":`"$Password`",`n      	`"tenant`":`"$Tenant`"`n}"
	$Uri  	= "$EndPoint/entity/auth/login"
	$response = Invoke-RestMethod $Uri -Method 'POST' -Headers $headers -Body $body -WebSession $WebSession
	return $WebSession
}