Using Powershell for ftp

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Reference : http://stackoverflow.com/questions/936108/how-to-script-ftp-upload-and-download

//Upload:
 
$File = "D:\Dev\somefilename.zip"
$ftp = "ftp://username:password@example.com/pub/incoming/somefilename.zip"
 
"ftp url: $ftp"
 
$webclient = New-Object System.Net.WebClient
$uri = New-Object System.Uri($ftp)
 
"Uploading $File..."
 
$webclient.UploadFile($uri, $File)
//Download:
 
$File = "c:\store\somefilename.zip"
$ftp = "ftp://username:password@example.com/pub/outbound/somefilename.zip"
 
"ftp url: $ftp"
 
$webclient = New-Object System.Net.WebClient
$uri = New-Object System.Uri($ftp)
 
"Downloading $File..."
 
$webclient.DownloadFile($uri, $File)
Ftp with PowerShell = ftp-ls.ps1
function DownloadFromFtp($destination, $ftp_uri, $user, $pass)
function UploadToFtp($artifacts, $ftp_uri, $user, $pass)
Usage samples
$ftp_uri = "ftp://127.0.0.1/"
$ftp_user = "web"
$ftp_pass = "web"
$artifacts = "c:\artifacts"
$backup = "c:\backups\current"
//upload
UploadToFtp $artifacts $ftp_uri $ftp_user $ftp_pass
//download
DownLoadFromFtp $backup $ftp_uri $ftp_user $ftp_pass
function DownloadFromFtp($destination, $ftp_uri, $user, $pass){
$dirs = GetDirecoryTree $ftp_uri $user $pass
foreach($dir in $dirs){
$path = [io.path]::Combine($destination,$dir)
if ((Test-Path $path) -eq $false) {
"Creating $path ..."
New-Item -Path $path -ItemType Directory | Out-Null
}else{
"Exists $path ..."
}
}
$files = GetFilesTree $ftp_uri $user $pass
foreach($file in $files){
$source = [io.path]::Combine($ftp_uri,$file)
$dest = [io.path]::Combine($destination,$file)
"Downloading $source ..."
Get-FTPFile $source $dest $user $pass
}
}
function UploadToFtp($artifacts, $ftp_uri, $user, $pass){
$webclient = New-Object System.Net.WebClient
$webclient.Credentials = New-Object System.Net.NetworkCredential($user,$pass)
foreach($item in Get-ChildItem -recurse $artifacts){
$relpath = [system.io.path]::GetFullPath($item.FullName).SubString([system.io.path]::GetFullPath($artifacts).Length + 1)
if ($item.Attributes -eq "Directory"){
try{
Write-Host Creating $item.Name
$makeDirectory = [System.Net.WebRequest]::Create($ftp_uri+$relpath);
$makeDirectory.Credentials = New-Object System.Net.NetworkCredential($user,$pass)
$makeDirectory.Method = [System.Net.WebRequestMethods+FTP]::MakeDirectory;
$makeDirectory.GetResponse();
}catch [Net.WebException] {
Write-Host $item.Name probably exists ...
}
continue;
}
"Uploading $item..."
$uri = New-Object System.Uri($ftp_uri+$relpath)
$webclient.UploadFile($uri, $item.FullName)
}
}
function Get-FTPFile ($Source,$Target,$UserName,$Password)
{
$ftprequest = [System.Net.FtpWebRequest]::create($Source)
$ftprequest.Credentials = New-Object System.Net.NetworkCredential($username,$password)
$ftprequest.Method = [System.Net.WebRequestMethods+Ftp]::DownloadFile
$ftprequest.UseBinary = $true
$ftprequest.KeepAlive = $false
$ftpresponse = $ftprequest.GetResponse()
$responsestream = $ftpresponse.GetResponseStream()
$targetfile = New-Object IO.FileStream ($Target,[IO.FileMode]::Create)
[byte[]]$readbuffer = New-Object byte[] 1024
do{
$readlength = $responsestream.Read($readbuffer,0,1024)
$targetfile.Write($readbuffer,0,$readlength)
}
while ($readlength -ne 0)
$targetfile.close()
}
#task ListFiles {
#
# $files = GetFilesTree 'ftp://127.0.0.1/' "web" "web"
# $files | ForEach-Object {Write-Host $_ -foregroundcolor cyan}
#}
function GetDirecoryTree($ftp, $user, $pass){
$creds = New-Object System.Net.NetworkCredential($user,$pass)
$files = New-Object "system.collections.generic.list[string]"
$folders = New-Object "system.collections.generic.queue[string]"
$folders.Enqueue($ftp)
while($folders.Count -gt 0){
$fld = $folders.Dequeue()
$newFiles = GetAllFiles $creds $fld
$dirs = GetDirectories $creds $fld
foreach ($line in $dirs){
$dir = @($newFiles | Where { $line.EndsWith($_) })[0]
[void]$newFiles.Remove($dir)
$folders.Enqueue($fld + $dir + "/")
[void]$files.Add($fld.Replace($ftp, "") + $dir + "/")
}
}
return ,$files
}
function GetFilesTree($ftp, $user, $pass){
$creds = New-Object System.Net.NetworkCredential($user,$pass)
$files = New-Object "system.collections.generic.list[string]"
$folders = New-Object "system.collections.generic.queue[string]"
$folders.Enqueue($ftp)
while($folders.Count -gt 0){
$fld = $folders.Dequeue()
$newFiles = GetAllFiles $creds $fld
$dirs = GetDirectories $creds $fld
foreach ($line in $dirs){
$dir = @($newFiles | Where { $line.EndsWith($_) })[0]
[void]$newFiles.Remove($dir)
$folders.Enqueue($fld + $dir + "/")
}
$newFiles | ForEach-Object {
$files.Add($fld.Replace($ftp, "") + $_)
}
}
return ,$files
}
function GetDirectories($creds, $fld){
$dirs = New-Object "system.collections.generic.list[string]"
$operation = [System.Net.WebRequestMethods+Ftp]::ListDirectoryDetails
$reader = GetStream $creds $fld $operation
while (($line = $reader.ReadLine()) -ne $null) {
if ($line.Trim().ToLower().StartsWith("d") -or $line.Contains(" <DIR> ")) {
[void]$dirs.Add($line)
}
}
$reader.Dispose();
return ,$dirs
}
function GetAllFiles($creds, $fld){
$newFiles = New-Object "system.collections.generic.list[string]"
$operation = [System.Net.WebRequestMethods+Ftp]::ListDirectory
$reader = GetStream $creds $fld $operation
while (($line = $reader.ReadLine()) -ne $null) {
[void]$newFiles.Add($line.Trim())
}
$reader.Dispose();
return ,$newFiles
}
function GetStream($creds, $url, $meth){
$ftp = [System.Net.WebRequest]::Create($url)
$ftp.Credentials = $creds
$ftp.Method = $meth
$response = $ftp.GetResponse()
return New-Object IO.StreamReader $response.GetResponseStream()
}
Export-ModuleMember UploadToFtp, DownLoadFromFtp
# Download
# Config
$Username = "FTPUSER"
$Password = "P@assw0rd"
$LocalFile = "C:\Temp\file.zip"
$RemoteFile = "ftp://thomasmaurer.ch/downloads/files/file.zip"
 
# Create FTP Rquest Object
$FTPRequest = [System.Net.FtpWebRequest]::Create("$RemoteFile")
$FTPRequest = [System.Net.FtpWebRequest]$FTPRequest
$FTPRequest.Method = [System.Net.WebRequestMethods+Ftp]::UploadFile
$FTPRequest.Credentials = new-object System.Net.NetworkCredential($Username, $Password)
$FTPRequest.UseBinary = $true
$FTPRequest.UsePassive = $true
# Read the File for Upload
$FileContent = gc -en byte $LocalFile
$FTPRequest.ContentLength = $FileContent.Length
# Get Stream Request by bytes
$Run = $FTPRequest.GetRequestStream()
$Run.Write($FileContent, 0, $FileContent.Length)
# Cleanup
$Run.Close()
$Run.Dispose()
# Upload
# Config
$Username = "FTPUSER"
$Password = "P@assw0rd"
$LocalFile = "C:\Temp\file.zip"
$RemoteFile = "ftp://thomasmaurer.ch/downloads/files/file.zip"
 
# Create a FTPWebRequest
$FTPRequest = [System.Net.FtpWebRequest]::Create($RemoteFile)
$FTPRequest.Credentials = New-Object System.Net.NetworkCredential($Username,$Password)
$FTPRequest.Method = [System.Net.WebRequestMethods+Ftp]::DownloadFile
$FTPRequest.UseBinary = $true
$FTPRequest.KeepAlive = $false
# Send the ftp request
$FTPResponse = $FTPRequest.GetResponse()
# Get a download stream from the server response
$ResponseStream = $FTPResponse.GetResponseStream()
# Create the target file on the local system and the download buffer
$LocalFileFile = New-Object IO.FileStream ($LocalFile,[IO.FileMode]::Create)
[byte[]]$ReadBuffer = New-Object byte[] 1024
# Loop through the download
do {
$ReadLength = $ResponseStream.Read($ReadBuffer,0,1024)
$LocalFileFile.Write($ReadBuffer,0,$ReadLength)
}
while ($ReadLength -ne 0)
## Very simple ftp script to upload, looks very similar to the top of the page
$File = "D:\Dev\somefilename.zip"
$ftp = "ftp://username:password@example.com/pub/incoming/somefilename.zip"
 
"ftp url: $ftp"
 
$webclient = New-Object System.Net.WebClient
$uri = New-Object System.Uri($ftp)
 
"Uploading $File..."
 
$webclient.UploadFile($uri, $File)
## shows how to turn passive on and off
 
# Create an FTPWebRequest object to handle the connection to the FTP server
$ftprequest = [System.Net.FtpWebRequest]::Create($sourceuri)
 
# Set the request's network credentials for an authenticated connection
$ftprequest.Credentials = New-Object System.Net.NetworkCredential($username,$password)
 
# Set FTPWebRequest method to ListDirectory
$ftprequest.Method = [System.Net.WebRequestMethods+Ftp]::ListDirectory
$ftprequest.EnableSsl = $True
$ftprequest.UseBinary = $False
$ftprequest.UsePassive = $True
$ftprequest.KeepAlive = $False
 
$ftpresponse = $ftprequest.GetResponse()
 
Write-Out $ftpresponse.StatusCode
Write-Out $ftpresponse.StatusDescription
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