Support using extension behind proxy server

[rricart]

Repro steps:

Action: azureFunctions.deploy
Error type: SELF_SIGNED_CERT_IN_CHAIN
Error Message: self signed certificate in certificate chain

Version: 0.10.0
OS: win32

[ejizba]

@rricart can you give a little more info:

1. What type of project were you deploying?
2. Does this happen consistently?
3. Is there anything unique about internet connection? Proxies or vpns or anything like that

[ciwchris]

I consistently get this when trying to deploy an Azure Function. I am in a network which uses a proxy server which man in the the middles all traffic and uses a self sign certificate internally. Is there a way to supply a new certificate chain for this VS Code extension to use so that it recognizes the self signed certificate?

[ejizba]

@ciwchris I believe we would have to add support for the following settings to support proxies:
http.proxy
http.proxyStrictSSL
http.proxyAuthorization

You can try these instructions (if you haven't already), but I don't think it works for extensions: https://code.visualstudio.com/docs/setup/network#_proxy-server-support due to this issue: microsoft/vscode#12588

Let me know if that works, but I'll put this as a feature on our backlog because I don't think it will.

[ciwchris]

Thanks. I experimented with a few different settings without success.