Private/New-MultipartForm.ps1
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<#
.SYNOPSIS Handcraft the multipart/form-data body. .NOTES https://stackoverflow.com/questions/25075010/upload-multiple-files-from-powershell-script #> Function New-MultipartForm { [CmdletBinding()] Param ( [string]$file, [string]$deviceType ) If (Test-Path $file) { $fileBin = [IO.File]::ReadAllBytes($file) $fileEnc = [System.Convert]::ToBase64String($fileBin) $boundary = [System.Guid]::NewGuid().ToString() $LF = "`r`n" $bodyLines = ( "--$boundary", "content-transfer-encoding: base64", "Content-Disposition: form-data; content-transfer-encoding: `"base64`"; name=`"file`"; filename=`" [System.IO.Path]::GetFileName $file`"$LF", $fileEnc, "--$boundary", "Content-Disposition: form-data; name=`"device_type`"$LF", $deviceType, "--$boundary--$LF" ) -join $LF return $boundary,$bodyLines } else { Throw "Can't find file $file" } } |