FtpHandling/Get-FTPItemSize.ps1
|
Function Get-FTPItemSize { <# .SYNOPSIS Gets the item size. .DESCRIPTION The Get-FTPItemSize cmdlet gets the specific item size. .PARAMETER Path Specifies a path to ftp location. .PARAMETER Silent Hide warnings. .PARAMETER Session Specifies a friendly name for the ftp session. Default session name is 'DefaultFTPSession'. .EXAMPLE PS> Get-FTPItemSize -Path "/myFolder/myFile.txt" 82033 .NOTES Author: Michal Gajda Blog : http://commandlinegeeks.com/ .LINK Get-FTPChildItem #> [CmdletBinding(SupportsShouldProcess, ConfirmImpact="Low")] [OutputType("System.Int64")] Param( [parameter(Mandatory=$true)] [String]$Path, [Switch]$Silent = $False, $Session = "DefaultFTPSession" ) Begin { if($Session -isnot [String]) { $CurrentSession = $Session } else { $CurrentSession = Get-Variable -Scope Global -Name $Session -ErrorAction SilentlyContinue -ValueOnly } if($null -eq $CurrentSession) { Write-Warning "Add-FTPItem: Cannot find session $Session. First use Set-FTPConnection to config FTP connection." Break Return } } Process { Write-Debug "Native path: $Path" if($Path -match "ftp://") { $RequestUri = $Path Write-Debug "Use original path: $RequestUri" } else { $RequestUri = $CurrentSession.RequestUri.OriginalString+"/"+$Path Write-Debug "Add ftp:// at start: $RequestUri" } $RequestUri = [regex]::Replace($RequestUri, '/$', '') $RequestUri = [regex]::Replace($RequestUri, '/+', '/') $RequestUri = [regex]::Replace($RequestUri, '^ftp:/', 'ftp://') Write-Debug "Remove additonal slash: $RequestUri" if ($pscmdlet.ShouldProcess($RequestUri,"Get item size")) { [System.Net.FtpWebRequest]$Request = [System.Net.WebRequest]::Create($RequestUri) $Request.Credentials = $CurrentSession.Credentials $Request.EnableSsl = $CurrentSession.EnableSsl $Request.KeepAlive = $CurrentSession.KeepAlive $Request.UseBinary = $CurrentSession.UseBinary $Request.UsePassive = $CurrentSession.UsePassive $Request.Method = [System.Net.WebRequestMethods+FTP]::GetFileSize Try { [System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$CurrentSession.ignoreCert} $Response = $Request.GetResponse() $Status = $Response.ContentLength $Response.Close() Return $Status } Catch { if(!$Silent) { Write-Error $_.Exception.Message -ErrorAction Stop } Return [Int64]-1 } } } End{} } |