From 9d102cb910fe9687b94235da04125329cd787054 Mon Sep 17 00:00:00 2001
From: tjpcc <tjp@ctrl-c.club>
Date: Tue, 31 Oct 2023 08:16:11 -0600
Subject: use MultiTLS to support separate TLS configs when virtualhosting
 gemini

fixes #10
---
 gemini.go | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

(limited to 'gemini.go')

diff --git a/gemini.go b/gemini.go
index e2896dc..cbf3e79 100644
--- a/gemini.go
+++ b/gemini.go
@@ -3,7 +3,6 @@ package main
 import (
 	"context"
 	"crypto/tls"
-	"errors"
 	"fmt"
 	"strings"
 
@@ -58,23 +57,18 @@ func buildGeminiServers(servers []Server, config *Configuration) ([]sr.Server, e
 			}
 		}
 
-		var tlsConfig *tls.Config
-		var keyfile, certfile string
+		tlsConfigs := map[string]*tls.Config{}
+		var fallback *tls.Config = nil
 		for _, config := range configs {
-			if (keyfile != "" && config.tlsKeyFile == keyfile) || (certfile != "" && config.tlsCertFile == certfile) {
-				return nil, errors.New("conflicting 'servertls' directives for gemini server")
-			}
-
-			if config.TLS != nil {
-				tlsConfig = config.TLS
-				keyfile = config.tlsKeyFile
-				certfile = config.tlsCertFile
-				break
+			if len(config.Hostnames) > 0 && config.TLS != nil {
+				for _, hostname := range config.Hostnames {
+					tlsConfigs[hostname] = config.TLS
+				}
+			} else {
+				fallback = config.TLS
 			}
 		}
-		if tlsConfig == nil {
-			return nil, errors.New("gemini server must have a servertls directive")
-		}
+		tlsConfig := gemini.MultiTLS(tlsConfigs, fallback)
 
 		gemsrv, err := gemini.NewServer(
 			context.Background(),
-- 
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