Send-FTP.ps1

function Send-FTP
{
    <#
    .SYNOPSIS
    Upload files to FTP server
    
    .DESCRIPTION
    Upload files to a FTP address,
    using System.Net.WebClient to connect to the FTP server
    uploading to the given address
    
    .PARAMETER Address
    FTP Address - must start with ftp:// and end with /
    
    .PARAMETER Credentials
    Credentials for FTP
    
    .PARAMETER File
    Array of files to upload to a remote FTP server
    
    .EXAMPLE
    $Credentials = Import-CliXml ".\FTPCreds.xml"
    Send-FTP -Address "ftp://FTP.granola.tech/" -Credentials $Credentials -File "C:\ToUpload\Note.txt"
    
    # Would upload the file to ftp://FTP.granola.tech/Note.txt
    
    .NOTES
    Written by Amir Granot.
    Inspired by: https://gallery.technet.microsoft.com/scriptcenter/80647f66-139c-40a4-bb7a-04a2d73d423c
    #>
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [Parameter(Mandatory)]
        [ValidatePattern("ftp://.*/")]
        [string]$Address,
        [Parameter(Mandatory)]
        [pscredential]$Credentials,
        [string[]]$File
    )

    Begin
    {
        $WebClient = New-Object System.Net.WebClient 
        $WebClient.Credentials = [System.Net.NetworkCredential]::new($Credentials.UserName, $Credentials.Password)      
    }
    Process
    {
        Get-ChildItem $File | ForEach-Object {
            $RemoteFileName = '{0}{1}' -f $Address, $_.Name
            $Uri = [System.Uri]::($RemoteFileName)
            
            if ($pscmdlet.ShouldProcess($_.FullName, "Upload to $RemoteFileName"))
            {    
                $Result = $WebClient.UploadData($Uri, [System.IO.File]::ReadAllBytes($_))
                "File {0} was uploaded. Result = {1}" -f $_.FullName, [Text.Encoding]::UTF8.GetBytes($Result) | Write-Verbose
            }
        }
    }
    End
    {
        $WebClient.Dispose()
    }
}