Private/Invoke-IntuneGraphRequest.ps1
function Invoke-IntuneGraphRequest { <# .SYNOPSIS Perform a specific call to Intune Graph API, either as GET, POST or PATCH methods. .DESCRIPTION Perform a specific call to Intune Graph API, either as GET, POST or PATCH methods. .NOTES Author: Nickolaj Andersen Contact: @NickolajA Created: 2020-01-04 Updated: 2023-02-03 Version history: 1.0.0 - (2020-01-04) Function created 1.0.1 - (2020-04-29) Added support for DELETE operations 1.0.2 - (2021-08-31) Updated to use new authentication header 1.0.3 - (2022-10-02) Changed content type for requests to support UTF8 1.0.4 - (2023-01-23) Added non-mandatory Route parameter to support different routes of Graph API in addition to better handle error response body depending on PSEdition 1.0.5 - (2023-02-03) Improved error handling #> param( [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [ValidateSet("Beta", "v1.0")] [string]$APIVersion, [parameter(Mandatory = $false)] [ValidateNotNullOrEmpty()] [string]$Route = "deviceAppManagement", [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string]$Resource, [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [ValidateSet("GET", "POST", "PATCH", "DELETE")] [string]$Method, [parameter(Mandatory = $false)] [ValidateNotNullOrEmpty()] [System.Object]$Body, [parameter(Mandatory = $false)] [ValidateNotNullOrEmpty()] [string]$ContentType = "application/json; charset=utf-8" ) try { # Construct full URI $GraphURI = "https://graph.microsoft.com/$($APIVersion)/$($Route)/$($Resource)" Write-Verbose -Message "$($Method) $($GraphURI)" # Call Graph API and get JSON response switch ($Method) { "GET" { $GraphResponse = Invoke-RestMethod -Uri $GraphURI -Headers $Global:AuthenticationHeader -Method $Method -ErrorAction Stop -Verbose:$false } "POST" { $GraphResponse = Invoke-RestMethod -Uri $GraphURI -Headers $Global:AuthenticationHeader -Method $Method -Body $Body -ContentType $ContentType -ErrorAction Stop -Verbose:$false } "PATCH" { $GraphResponse = Invoke-RestMethod -Uri $GraphURI -Headers $Global:AuthenticationHeader -Method $Method -Body $Body -ContentType $ContentType -ErrorAction Stop -Verbose:$false } "DELETE" { $GraphResponse = Invoke-RestMethod -Uri $GraphURI -Headers $Global:AuthenticationHeader -Method $Method -ErrorAction Stop -Verbose:$false } } return $GraphResponse } catch [System.Exception] { # Capture current error $ExceptionItem = $PSItem # Construct response error custom object for cross platform support $ResponseBody = [PSCustomObject]@{ "ErrorMessage" = [string]::Empty "ErrorCode" = [string]::Empty } # Read response error details differently depending PSVersion switch ($PSVersionTable.PSVersion.Major) { "5" { # Read the response stream $StreamReader = New-Object -TypeName "System.IO.StreamReader" -ArgumentList @($ExceptionItem.Exception.Response.GetResponseStream()) $StreamReader.BaseStream.Position = 0 $StreamReader.DiscardBufferedData() $ResponseReader = ($StreamReader.ReadToEnd() | ConvertFrom-Json) # Set response error details $ResponseBody.ErrorMessage = $ResponseReader.error.message $ResponseBody.ErrorCode = $ResponseReader.error.code } default { $ErrorDetails = $ExceptionItem.ErrorDetails.Message | ConvertFrom-Json # Set response error details $ResponseBody.ErrorMessage = $ErrorDetails.error.message $ResponseBody.ErrorCode = $ErrorDetails.error.code } } # Convert status code to integer for output $HttpStatusCodeInteger = ([int][System.Net.HttpStatusCode]$ExceptionItem.Exception.Response.StatusCode) switch ($Method) { "GET" { # Output warning message that the request failed with error message description from response stream Write-Warning -Message "Graph request failed with status code '$($HttpStatusCodeInteger) ($($ExceptionItem.Exception.Response.StatusCode))'. Error details: $($ResponseBody.ErrorCode) - $($ResponseBody.ErrorMessage)" } default { # Construct new custom error record $SystemException = New-Object -TypeName "System.Management.Automation.RuntimeException" -ArgumentList ("{0}: {1}" -f $ResponseBody.ErrorCode, $ResponseBody.ErrorMessage) $ErrorRecord = New-Object -TypeName "System.Management.Automation.ErrorRecord" -ArgumentList @($SystemException, $ErrorID, [System.Management.Automation.ErrorCategory]::NotImplemented, [string]::Empty) # Throw a terminating custom error record $PSCmdlet.ThrowTerminatingError($ErrorRecord) } } } } |