Public/Invoke-MultipartFormDataUpload.ps1
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function Invoke-MultipartFormDataUpload { <# based on http://blog.majcica.com/2016/01/13/powershell-tips-and-tricks-multipartform-data-requests #> [CmdletBinding()] param( [String] [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] $InFile, [String] $ContentType, [Uri] [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] $Uri, [System.Management.Automation.PSCredential] $Credential ) BEGIN { if (-not (Test-Path $InFile)) { $errorMessage = ("File {0} missing or unable to read." -f $InFile) $exception = New-Object System.Exception $errorMessage $errorRecord = New-Object System.Management.Automation.ErrorRecord $exception, ` 'MultipartFormDataUpload', ` [System.Management.Automation.ErrorCategory]::InvalidArgument, ` $InFile $PSCmdlet.ThrowTerminatingError($errorRecord) } if (-not $ContentType) { Add-Type -AssemblyName System.Web $mimeType = [System.Web.MimeMapping]::GetMimeMapping($InFile) if ($mimeType) { $ContentType = $mimeType } else { $ContentType = "application/octet-stream" } } } PROCESS { Add-Type -AssemblyName System.Net.Http $httpClientHandler = New-Object System.Net.Http.HttpClientHandler if ($Credential) { $networkCredential = New-Object System.Net.NetworkCredential @($Credential.UserName, $Credential.Password) $httpClientHandler.Credentials = $networkCredential } $httpClient = New-Object System.Net.Http.Httpclient $httpClientHandler $packageFileStream = New-Object System.IO.FileStream @($InFile, [System.IO.FileMode]::Open) $contentDispositionHeaderValue = New-Object System.Net.Http.Headers.ContentDispositionHeaderValue "form-data" $contentDispositionHeaderValue.Name = "fileData" $contentDispositionHeaderValue.FileName = (Split-Path $InFile -leaf) $streamContent = New-Object System.Net.Http.StreamContent $packageFileStream $streamContent.Headers.ContentDisposition = $contentDispositionHeaderValue $streamContent.Headers.ContentType = New-Object System.Net.Http.Headers.MediaTypeHeaderValue $ContentType $content = New-Object System.Net.Http.MultipartFormDataContent $content.Add($streamContent) try { $response = $httpClient.PostAsync($Uri, $content).Result if (!$response.IsSuccessStatusCode) { $responseBody = $response.Content.ReadAsStringAsync().Result $errorMessage = "Status code {0}. Reason {1}. Server reported the following message: {2}." -f $response.StatusCode, $response.ReasonPhrase, $responseBody throw [System.Net.Http.HttpRequestException] $errorMessage } return $response.Content.ReadAsStringAsync().Result } catch [Exception] { $PSCmdlet.ThrowTerminatingError($_) } finally { if ($null -ne $httpClient) { $httpClient.Dispose() } if ($null -ne $response) { $response.Dispose() } } } END {} } |