Framework/Helpers/WebRequestHelper.ps1
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Set-StrictMode -Version Latest class WebRequestHelper { hidden static [string] $AzureManagementUri = "https://management.azure.com/"; hidden static [string] $GraphApiUri = "https://graph.windows.net/"; hidden static [string] $ClassicManagementUri = "https://management.core.windows.net/"; static [System.Object[]] InvokeGetWebRequest([string] $uri, [Hashtable] $headers) { return [WebRequestHelper]::InvokeWebRequest([Microsoft.PowerShell.Commands.WebRequestMethod]::Get, $uri, $headers, $null); } static [System.Object[]] InvokeGetWebRequest([string] $uri) { return [WebRequestHelper]::InvokeGetWebRequest($uri, [WebRequestHelper]::GetAuthHeaderFromUri($uri)); } hidden static [Hashtable] GetAuthHeaderFromUri([string] $uri) { [System.Uri] $validatedUri = $null; if([System.Uri]::TryCreate($uri, [System.UriKind]::Absolute, [ref] $validatedUri)) { return @{ "Authorization"= ("Bearer " + [Helpers]::GetAccessToken($validatedUri.GetLeftPart([System.UriPartial]::Authority))); "Content-Type"="application/json" }; } return @{ "Content-Type"="application/json" }; } static [System.Object[]] InvokePostWebRequest([string] $uri, [Hashtable] $headers, [System.Object] $body) { return [WebRequestHelper]::InvokeWebRequest([Microsoft.PowerShell.Commands.WebRequestMethod]::Post, $uri, $headers, $body); } static [System.Object[]] InvokePostWebRequest([string] $uri, [System.Object] $body) { return [WebRequestHelper]::InvokePostWebRequest($uri, [WebRequestHelper]::GetAuthHeaderFromUri($uri), $body); } static [System.Object[]] InvokeWebRequest([Microsoft.PowerShell.Commands.WebRequestMethod] $method, [string] $uri, [System.Object] $body) { return [WebRequestHelper]::InvokeWebRequest($method, $uri, [WebRequestHelper]::GetAuthHeaderFromUri($uri), $body); } static [System.Object[]] InvokeWebRequest([Microsoft.PowerShell.Commands.WebRequestMethod] $method, [string] $uri, [Hashtable] $headers, [System.Object] $body) { $outputValues = @(); [System.Uri] $validatedUri = $null; while ([System.Uri]::TryCreate($uri, [System.UriKind]::Absolute, [ref] $validatedUri)) { [int] $retryCount = 3 $success = $false; while($retryCount -gt 0 -and -not $success) { $retryCount = $retryCount -1; try { $requestResult = $null; if ($method -eq [Microsoft.PowerShell.Commands.WebRequestMethod]::Get) { $requestResult = Invoke-WebRequest -Method $method -Uri $validatedUri -Headers $headers -UseBasicParsing } elseif ($method -eq [Microsoft.PowerShell.Commands.WebRequestMethod]::Post -or $method -eq [Microsoft.PowerShell.Commands.WebRequestMethod]::Put) { $requestResult = Invoke-WebRequest -Method $method -Uri $validatedUri -Headers $headers -Body ($body | ConvertTo-Json -Depth 10 -Compress) -UseBasicParsing } else { throw [System.ArgumentException] ("The web request method type '$method' is not supported.") } if ($null -ne $requestResult -and $requestResult.StatusCode -ge 200 -and $requestResult.StatusCode -le 399) { if ($null -ne $requestResult.Content) { $json = (ConvertFrom-Json $requestResult.Content) if ($null -ne $json) { if (($json | Get-Member -Name "value") -and $json.value) { $outputValues += $json.value; } else { $outputValues += $json; } if (($json | Get-Member -Name "nextLink") -and $json.nextLink) { $uri = $json.nextLink } else { $uri = [string]::Empty; } } } } $success = $true; } catch { #eat the exception until it is in retry mode and throw once the retry is done if($retryCount -eq 0) { if([Helpers]::CheckMember($_,"Exception.Response.StatusCode") -and $_.Exception.Response.StatusCode -eq "Forbidden"){ throw ([SuppressedException]::new(("You do not have permission to view the requested resource."), [SuppressedExceptionType]::InvalidOperation)) } elseif ([Helpers]::CheckMember($_,"Exception.Message")){ throw ([SuppressedException]::new(($_.Exception.Message.ToString()), [SuppressedExceptionType]::InvalidOperation)) } else { throw; } } } } } return $outputValues; } } |