Common.ps1
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<#
.SYNOPSIS This script consists of common functions. .DESCRIPTION This script consists of variables for rest end points and function to authenticate the user, handle error. #> # global variables $global:bearerToken = $null # Function to test whether argument is a valid Json function Test-If-Json($_) { Try { $_ | Test-Json return $True } Catch { return $False } } # Format and print errors in specific template function Register-Error($_) { if ([bool]($_.Exception.PSobject.Properties.name -match "Response")) { Write-Output "The error received is - $($_.Exception)" } else { Write-Output "The HTTP Status code received is - $($_.Exception.Response.ReasonPhrase)" if(Test-If-Json($_)) { $scriptError = $($_) | ConvertFrom-Json Write-Output $scriptError.message Write-Output "Error Code - " $scriptError.code } else { $($_.Exception.Response.Content) } } } # Function to authenticate user function Authenticate($tempEnv) { Try { if (-not(Get-Module -ListAvailable -Name MSAL.ps)) { Install-Module -Name MSAL.ps -AllowClobber -Confirm:$False -Force } Import-Module MSAL.ps $tenantId = 'common' $clientId = $(Get-Content "$PSScriptRoot/config.json" | ConvertFrom-Json).$tempEnv.clientId Write-Output "If the interactive login screen appeared, please sign-in." $Token = Get-MsalToken -ClientId $clientId -TenantId $tenantId -Scope 'https://graph.microsoft.com/User.Read' Write-Output "Authentication successful." $global:bearerToken = 'Bearer ' + $Token.IdToken } Catch { Write-Output "Authentication failed." throw $_.Exception } } |