MSGraphAPI_utils.ps1
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# This script contains utility functions for MSGraph API at https://graph.microsoft.com # Calls the provisioning SOAP API function Call-MSGraphAPI { [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$AccessToken, [Parameter(Mandatory=$True)] [String]$API, [Parameter(Mandatory=$False)] [String]$ApiVersion="beta", [Parameter(Mandatory=$False)] [String]$Method="GET", [Parameter(Mandatory=$False)] $Body, [Parameter(Mandatory=$False)] $Headers, [Parameter(Mandatory=$False)] [String]$QueryString, [Parameter(Mandatory=$False)] [int]$MaxResults=1000 ) Process { if($Headers -eq $null) { $Headers=@{} } $Headers["Authorization"] = "Bearer $AccessToken" # Create the url $url = "https://graph.microsoft.com/$($ApiVersion)/$($API)?$(if(![String]::IsNullOrEmpty($QueryString)){"&$QueryString"})" # Call the API try { $response = Invoke-RestMethod -UseBasicParsing -Uri $url -ContentType "application/json" -Method $Method -Body $Body -Headers $Headers } catch { $errorMessage = $_.Exception.Message try { $errorResponse = Get-ErrorStreamMessage -errorStream $_.Exception.Response.GetResponseStream() | ConvertFrom-Json if($errorResponse.error.message) { $errorMessage = $errorResponse.error.message } } catch{} throw $errorMessage } # Check if we have more items to fetch if($response.psobject.properties.name -match '@odata.nextLink') { $items=$response.value.count # Loop until finished or MaxResults reached while(($url = $response.'@odata.nextLink') -and $items -lt $MaxResults) { # Return $response.value $response = Invoke-RestMethod -UseBasicParsing -Uri $url -ContentType "application/json" -Method $Method -Body $Body -Headers $Headers $items+=$response.value.count } # Return $response.value } else { # Return if($response.psobject.properties.name -match "Value") { return $response.value } else { return $response } } } } |