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bitwarden-server/util/Setup/CertBuilder.cs
Joseph Flinn 3a22f91ff5
Enable key connector selfhost (#1707)
* initial commit

* Add code for Key Connector feature

* Add help URL to config

* Fix folders for key-connector service

* Fix paths for key-connector

* fixing the env file builder when disabling the key connector

* swapping a variable name

Co-authored-by: Vince Grassia <593223+vgrassia@users.noreply.github.com>
2021-11-16 09:52:02 -08:00

116 lines
6.0 KiB
C#

using System;
using System.IO;
namespace Bit.Setup
{
public class CertBuilder
{
private readonly Context _context;
public CertBuilder(Context context)
{
_context = context;
}
public void BuildForInstall()
{
if (_context.Stub)
{
_context.Config.Ssl = true;
_context.Install.Trusted = true;
_context.Install.SelfSignedCert = false;
_context.Install.DiffieHellman = false;
_context.Install.IdentityCertPassword = "IDENTITY_CERT_PASSWORD";
return;
}
_context.Config.Ssl = _context.Config.SslManagedLetsEncrypt;
if (!_context.Config.Ssl)
{
var skipSSL = _context.Parameters.ContainsKey("skip-ssl") && (_context.Parameters["skip-ssl"] == "true" || _context.Parameters["skip-ssl"] == "1");
if (!skipSSL)
{
_context.Config.Ssl = Helpers.ReadQuestion("Do you have a SSL certificate to use?");
if (_context.Config.Ssl)
{
Directory.CreateDirectory($"/bitwarden/ssl/{_context.Install.Domain}/");
var message = "Make sure 'certificate.crt' and 'private.key' are provided in the \n" +
"appropriate directory before running 'start' (see docs for info).";
Helpers.ShowBanner(_context, "NOTE", message);
}
else if (Helpers.ReadQuestion("Do you want to generate a self-signed SSL certificate?"))
{
Directory.CreateDirectory($"/bitwarden/ssl/self/{_context.Install.Domain}/");
Helpers.WriteLine(_context, "Generating self signed SSL certificate.");
_context.Config.Ssl = true;
_context.Install.Trusted = false;
_context.Install.SelfSignedCert = true;
Helpers.Exec("openssl req -x509 -newkey rsa:4096 -sha256 -nodes -days 36500 " +
$"-keyout /bitwarden/ssl/self/{_context.Install.Domain}/private.key " +
$"-out /bitwarden/ssl/self/{_context.Install.Domain}/certificate.crt " +
$"-reqexts SAN -extensions SAN " +
$"-config <(cat /usr/lib/ssl/openssl.cnf <(printf '[SAN]\nsubjectAltName=DNS:{_context.Install.Domain}\nbasicConstraints=CA:true')) " +
$"-subj \"/C=US/ST=California/L=Santa Barbara/O=Bitwarden Inc./OU=Bitwarden/CN={_context.Install.Domain}\"");
}
}
}
if (_context.Config.SslManagedLetsEncrypt)
{
_context.Install.Trusted = true;
_context.Install.DiffieHellman = true;
Directory.CreateDirectory($"/bitwarden/letsencrypt/live/{_context.Install.Domain}/");
Helpers.Exec($"openssl dhparam -out " +
$"/bitwarden/letsencrypt/live/{_context.Install.Domain}/dhparam.pem 2048");
}
else if (_context.Config.Ssl && !_context.Install.SelfSignedCert)
{
_context.Install.Trusted = Helpers.ReadQuestion("Is this a trusted SSL certificate " +
"(requires ca.crt, see docs)?");
}
Helpers.WriteLine(_context, "Generating key for IdentityServer.");
_context.Install.IdentityCertPassword = Helpers.SecureRandomString(32, alpha: true, numeric: true);
Directory.CreateDirectory("/bitwarden/identity/");
Helpers.Exec("openssl req -x509 -newkey rsa:4096 -sha256 -nodes -keyout identity.key " +
"-out identity.crt -subj \"/CN=Bitwarden IdentityServer\" -days 36500");
Helpers.Exec("openssl pkcs12 -export -out /bitwarden/identity/identity.pfx -inkey identity.key " +
$"-in identity.crt -passout pass:{_context.Install.IdentityCertPassword}");
Helpers.WriteLine(_context);
if (!_context.Config.Ssl)
{
var message = "You are not using a SSL certificate. Bitwarden requires HTTPS to operate. \n" +
"You must front your installation with a HTTPS proxy or the web vault (and \n" +
"other Bitwarden apps) will not work properly.";
Helpers.ShowBanner(_context, "WARNING", message, ConsoleColor.Yellow);
}
else if (_context.Config.Ssl && !_context.Install.Trusted)
{
var message = "You are using an untrusted SSL certificate. This certificate will not be \n" +
"trusted by Bitwarden client applications. You must add this certificate to \n" +
"the trusted store on each device or else you will receive errors when trying \n" +
"to connect to your installation.";
Helpers.ShowBanner(_context, "WARNING", message, ConsoleColor.Yellow);
}
}
public void BuildForUpdater()
{
if (_context.Config.EnableKeyConnector && !File.Exists("/bitwarden/key-connector/bwkc.pfx"))
{
Directory.CreateDirectory("/bitwarden/key-connector/");
var keyConnectorCertPassword = Helpers.GetValueFromEnvFile("key-connector",
"keyConnectorSettings__certificate__filesystemPassword");
Helpers.Exec("openssl req -x509 -newkey rsa:4096 -sha256 -nodes -keyout bwkc.key " +
"-out bwkc.crt -subj \"/CN=Bitwarden Key Connector\" -days 36500");
Helpers.Exec("openssl pkcs12 -export -out /bitwarden/key-connector/bwkc.pfx -inkey bwkc.key " +
$"-in bwkc.crt -passout pass:{keyConnectorCertPassword}");
}
}
}
}