(PowerShell) Add Data to multipart/form-data Request

Demonstrates how to add content (such as a JPG, PDF, XML, etc.) to multipart/form-data requests.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$req = New-Object Chilkat.HttpRequest
$req.HttpVerb = "POST"
$req.ContentType = "multipart/form-data"
$req.Path = "/xyz/something"

$req.AddParam("param1","value1")
$req.AddParam("param2","value2")

# Add some small files to the request. (Small so we can see what the full request looks like without too much data..)
$bd = New-Object Chilkat.BinData
$success = $bd.LoadFile("qa_data/jpg/starfish20.jpg")
$req.AddBdForUpload("starfish20","starfish20.jpg",$bd,"image/jpeg")

$success = $bd.LoadFile("qa_data/pdf/helloWorld.pdf")
$req.AddBdForUpload("helloWorld","helloWorld.pdf",$bd,"application/pdf")

$success = $bd.LoadFile("qa_data/xml/tinyA.xml")
$req.AddBdForUpload("tinyA","tinyA.xml",$bd,"text/xml")

# This HTTP request contains binary data, so we cannot call GenerateRequestText
# to examine it as a string.  We can instead call GenerateRequestFile
# to write the request to a file and then examine using a hex editor,
# or an editor that is capable of handling null bytes and non-printable chars (perhaps by displaying "?" chars instead).
$req.GenerateRequestFile("qa_output/multipartFormDataRequest.bin")

$("OK.")

# This is the HTTP multipart/form-data request built by the above code:

# POST /xyz/something HTTP/1.1
# Host: domain
# Content-Type: multipart/form-data; boundary=------------090708030009010000030901
# Content-Length: 2220
# 
# --------------090708030009010000030901
# Content-Disposition: form-data; name="param1"
# 
# value1
# --------------090708030009010000030901
# Content-Disposition: form-data; name="param2"
# 
# value2
# --------------090708030009010000030901
# Content-Disposition: form-data; name="starfish20"; filename="starfish20.jpg"
# Content-Type: image/jpeg
# 
# JPEG DATA HERE...
# --------------090708030009010000030901
# Content-Disposition: form-data; name="helloWorld"; filename="helloWorld.pdf"
# Content-Type: application/pdf
# 
# PDF DATA HERE...
# --------------090708030009010000030901
# Content-Disposition: form-data; name="tinyA"; filename="tinyA.xml"
# Content-Type: text/xml
# 
# XML DATA HERE...
# --------------090708030009010000030901--
#