Windows, SFTP, and the Registry

One of the tasks that I have to do often at work is copying data to and from an SFTP directory.  Previously I had a constant domain and port that I was able to connect to, an I could save this in a WinSCP profile for ease of use.  Due to some recent architectural changes though, we’re now dynamically generating IPs and ports to connect to, which caused a bit of a headache.  Luckily though, we do get a really nice s URI that gives us this information, and some terminal clients even allow you to click it (ConEmu).

Unfortunately, I can’t just register WinSCP as the default handler for sftp URIs because I needed to provide other data, such as a private key and proxy information.

To fix this,  I created a wrapper, poorly named scp.cmd that does all of this work:

@echo off
:: Set some necessary path variables.
:: I would recommend WinSCP Portable, but that's just me.
set WINSCP_PATH="C:\Path To\winscp.exe"
set PRIVKEY_PPK="C:\Path To\Private Key.ppk"
:: Run the actual SCP command.
%WINSCP_PATH% %1 /privatekey=%PRIVKEY_PPK% /rawsettings ProxyMethod=2 ProxyHost="" ProxyPort=8080
:: Unset the variables now that we don't need them.
set PRIVKEY_PPK=Code language: PHP (php)

From here I can create a Windows Registry file (or manually do it with regedit.exe but that’s crazy) to register the sftp URI handler and point it to my scp.cmd file:

Windows Registry Editor Version 5.00

@="\"C:\\Windows\\scp.cmd\" \"%1\""Code language: JavaScript (javascript)

Now I can easily click on sftp links for work, I can paste them into the Windows Run dialog, or even open them via the command line with start.  This is a wonderful time saver!

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