BTCpayAPI now supports file upload

BTCpayApi Update 03-28-2025

Introduction

I'm continuing to add functionality to BTCpayAPI and BTCpay which is using REST Api(s) to manage my BTCPAY server and LND cloud instance. It is nice to have this just running locally on my home Linux desktop.

Here is the code that implements this functionality.

"Uploadfile" {

$apislug = "api/v1/files"
#$filepath = Split-Path $options
$filename = Split-Path $options -Leaf

# CONST
$CODEPAGE = "iso-8859-1" # alternatives are ASCII, UTF-8

# Read file byte-by-byte
$fileBin = [System.IO.File]::ReadAllBytes($options)

# Convert byte-array to string
$enc = [System.Text.Encoding]::GetEncoding($CODEPAGE)
$fileEnc = $enc.GetString($fileBin)

# We need a boundary (something random() will do best)
$boundary = [System.Guid]::NewGuid().ToString()
$LF = "`r`n"
$bodyLines = (
"--$boundary",
"Content-Disposition: form-data; name=`"file`"; filename=`"$fileName`"",
"Content-Type: application/octet-stream$LF",
$fileEnc,
"--$boundary--$LF"
) -join $LF

$URI = $BTCPayCfg.BTCpayApi.GreenApi.url + $apislug
$apiKeyToken = 'token ' + $script:BTCPAY_API
$headers = @{'Authorization'=$apiKeyToken}

return Invoke-RestMethod -Uri $uri -Method Post -Headers $headers -ContentType "multipart/form-data; boundary=`"$boundary`"" -Body $bodyLines

}