(PowerShell) Extract and Save PDF from SOAP XML

Demonstrates how to extract and save PDF file that is embedded in SOAP XML (or any XML).

Chilkat .NET Downloads Chilkat .NET Assemblies

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

$xml = New-Object Chilkat.Xml

$success = $xml.LoadXmlFile("qa_data/soap/soapWithPdf.xml")
if ($success -ne $true) {
    $($xml.LastErrorText)
    exit
}

# The XML we loaded looks like this:

# <?xml version="1.0" encoding="utf-8" ?>
# <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
#     <s:Body>
#         <ObtenerPDFResponse xmlns="http://xyz.org/">
#             <ObtenerPDFResult xmlns:a="http://schemas.xyz.org/something" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
#                 <a:CBB i:nil="true" />
#                 <a:CodigoConfirmacion i:nil="true" />
#                 <a:ErrorDetallado />
#                 <a:ErrorGeneral i:nil="true" />
#                 <a:FechaGenerada i:nil="true" />
#                 <a:FolioGenerado i:nil="true" />
#                 <a:OperacionExitosa>true</a:OperacionExitosa>
#                 <a:PDF>JVBERi0xLjQKJe...</a:PDF>
#                 <a:XML i:nil="true" />
#             </ObtenerPDFResult>
#         </ObtenerPDFResponse>
#     </s:Body>
# </s:Envelope>

$pdfElement = $xml.FindChild("s:Body|ObtenerPDFResponse|ObtenerPDFResult|a:PDF")
if ($xml.LastMethodSuccess -ne $true) {
    $("Did not find the PDF element at the expected location.")
    exit
}

$success = $pdfElement.SaveBinaryContent("qa_output/out.pdf",$false,$false,"")
if ($success -ne $true) {
    $($xml.LastErrorText)
    exit
}

$("Successfully extracted and saved the PDF.")