private/functions/Invoke-MultiPartWebRequest.ps1
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function Invoke-MultiPartWebRequest { [CmdletBinding()] Param( [Parameter(Mandatory=$true)] [String]$Url, [Parameter(Mandatory=$true)] [String]$File, [Parameter(Mandatory=$true)] [String]$Data ) # Extract plaintext password from PSCredential $BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($Config.Credential.Password) $PlainPassword = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) [System.Runtime.InteropServices.Marshal]::ZeroFreeBSTR($BSTR) #Create Boundry string $boundary = "---------------------------" + [DateTime]::Now.Ticks.ToString("x") $boundarybytes = [System.Text.Encoding]::ASCII.GetBytes("`r`n--$boundary`r`n") #Create a webrequest object $wr = [System.Net.HttpWebRequest]::Create($url) $wr.ContentType = "multipart/form-data; boundary=$boundary" $wr.Method = "POST" $wr.KeepAlive = $true $wr.Timeout = 180000 $wr.Credentials = New-Object System.Net.NetworkCredential($Config.Credential.Username, $PlainPassword) $rs = $wr.GetRequestStream() #Write JSON to request stream $rs.Write($boundarybytes, 0, $boundarybytes.Length) $header = "Content-Disposition: form-data; name=`"data`"`r`n`r`n" $headerbytes = [System.Text.Encoding]::UTF8.GetBytes($header) $rs.Write($headerbytes, 0, $headerbytes.Length) $formitembytes = [System.Text.Encoding]::UTF8.GetBytes($Data) $rs.Write($formitembytes, 0, $formitembytes.Length) $rs.Write($boundarybytes, 0, $boundarybytes.Length) #Create header for file $headerTemplate = "Content-Disposition: form-data; name=`"{0}`"; filename=`"{1}`"`r`nContent-Type: application/octet-stream`r`n`r`n" $header = [string]::Format($headerTemplate, "filename", $file) $headerbytes = [System.Text.Encoding]::UTF8.GetBytes($header) $rs.Write($headerbytes, 0, $headerbytes.Length) #Open and transfer file to request stream $fileStream = New-Object System.IO.FileStream($file, [System.IO.FileMode]::Open, [System.IO.FileAccess]::Read) $buffer = New-Object byte[] 4096 $bytesRead = 0 while (($bytesRead = $fileStream.Read($buffer, 0, $buffer.Length)) -ne 0) { $rs.Write($buffer, 0, $bytesRead) } $fileStream.Close() #End request $trailer = [System.Text.Encoding]::ASCII.GetBytes("`r`n--$boundary--`r`n") $rs.Write($trailer, 0, $trailer.Length) $rs.Close() #Get response try { $wresp = $wr.GetResponse() $stream2 = $wresp.GetResponseStream() $reader2 = New-Object System.IO.StreamReader($stream2) return $reader2.ReadToEnd() } catch { Write-Error "Error uploading file: $_" if ($wresp -ne $null) { $wresp.Close() $wresp = $null } } } |