Public/Invoke/Invoke-NinjaOneRequest.ps1


function Invoke-NinjaOneRequest {
    <#
        .SYNOPSIS
            Sends a request to the NinjaOne API.
        .DESCRIPTION
            Wrapper function to send web requests to the NinjaOne API.
        .FUNCTIONALITY
            Invoke API Request
        .EXAMPLE
            PS> Invoke-NinjaOneRequest -Method 'GET' -Uri 'https://eu.ninjarmm.com/v2/activities'
             
            Make a GET request to the activities resource.
        .OUTPUTS
            Outputs an object containing the response from the web request.
    #>

    [Cmdletbinding()]
    [OutputType([Object])]
    param (
        # HTTP method to use.
        [Parameter(Mandatory, Position = 0)]
        [ValidateSet('GET', 'POST', 'PUT', 'PATCH', 'DELETE')]
        [String]$Method,
        # The URI to send the request to.
        [Parameter(Mandatory, Position = 1)]
        [String]$Uri,
        # The body of the request.
        [Parameter(Position = 2)]
        [String]$Body,
        # Return the raw response - don't convert from JSON.
        [Switch]$Raw

    )
    if ($null -eq $Script:NRAPIConnectionInformation) {
        throw "Missing NinjaOne connection information, please run 'Connect-NinjaOne' first."
    }
    if ($null -eq $Script:NRAPIAuthenticationInformation) {
        throw "Missing NinjaOne authentication tokens, please run 'Connect-NinjaOne' first."
    }
    $Now = Get-Date
    if ($Script:NRAPIAuthenticationInformation.Expires -le $Now) {
        Write-Verbose 'The auth token has expired, renewing.'
        Update-NinjaOneToken -Verbose:$VerbosePreference
    }
    if ($null -ne $Script:NRAPIAuthenticationInformation) {
        $AuthHeaders = @{
            Authorization = "$($Script:NRAPIAuthenticationInformation.Type) $($Script:NRAPIAuthenticationInformation.Access)"
        }
    } else {
        $AuthHeaders = $null
    }
    try {
        Write-Verbose ('Making a {0} request to {1}' -f $WebRequestParams.Method, $WebRequestParams.Uri)
        $WebRequestParams = @{
            Method = $Method
            Uri = $Uri
        }
        if ($Body) {
            Write-Verbose ('Body is {0}' -f ($Body | Out-String))
            $WebRequestParams.Add('Body', $Body)
        } else {
            Write-Verbose 'No body present.'
        }
        $Response = Invoke-WebRequest @WebRequestParams -Headers $AuthHeaders -ContentType 'application/json'
        Write-Verbose ('Response status code: {0}' -f $Response.StatusCode)
        Write-Verbose ('Response headers: {0}' -f ($Response.Headers | Out-String))
        Write-Verbose ('Raw response: {0}' -f ($Response | Out-String))
        if ($Response.Content) {
            $ResponseContent = $Response.Content
        } else {
            $ResponseContent = 'No content'
        }
        if ($Response.Content) {
            Write-Verbose ('Response content: {0}' -f ($ResponseContent | Out-String))
        } else {
            Write-Verbose 'No response content.'
        }
        if ($Raw) {
            Write-Verbose 'Raw switch present, returning raw response.'
            $Results = $Response.Content
        } else {
            Write-Verbose 'Raw switch not present, converting response from JSON.'
            $Results = $Response.Content | ConvertFrom-Json
        }
        if ($null -eq $Results) {
            if ($Response.StatusCode -and $WebRequestParams.Method -ne 'GET') {
                Write-Verbose ('Request completed with status code {0}. No content in the response - returning Status Code.' -f $Response.StatusCode)
                $Results = $Response.StatusCode
            } else {
                Write-Verbose 'Request completed with no results and/or no status code.'
                $Results = @{}
            }
        }
        return $Results
    } catch {
        throw $_
    }
}