add custom gemini server main function

2 files changed, 75 insertions, 0 deletions

diff --git a/openbsd/blowfish.buetow.org/opt/src/gemini/README.md b/openbsd/blowfish.buetow.org/opt/src/gemini/README.md
new file mode 100644
index 0000000..b056838
--- /dev/null
+++ b/openbsd/blowfish.buetow.org/opt/src/gemini/README.md
@@ -0,0 +1,10 @@
+Custom gemini server configuration
+=================================
+
+```
+git clone https://github.com/a-h/gemini
+cp -Rpv ./myserver ./gemini/myserver
+cd ./gemini/myserver
+go build main.go
+doas cp -p ./main /usr/local/bin/geminid
+```
diff --git a/openbsd/blowfish.buetow.org/opt/src/gemini/myserver/main.go b/openbsd/blowfish.buetow.org/opt/src/gemini/myserver/main.go
new file mode 100644
index 0000000..09bcb3f
--- /dev/null
+++ b/openbsd/blowfish.buetow.org/opt/src/gemini/myserver/main.go
@@ -0,0 +1,65 @@
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/a-h/gemini"
+)
+
+type configuration struct {
+	// Domain name, e.g. localhost.
+	domain string
+	// Certfile is the path to a server cerfificate file.
+	certFile string
+	// Keyfile is the path to a server key file.
+	keyFile string
+	// Path to Gemini content to serve.
+	path string
+}
+
+func main() {
+	config := []configuration{
+		{
+			domain:   "buetow.org",
+			certFile: "/etc/ssl/buetow.org.fullchain.pem",
+			keyFile:  "/etc/ssl/private/buetow.org.key",
+			path:     "/var/gemini/gemtexter/buetow.org",
+		},
+		{
+			domain:   "snonux.de",
+			certFile: "/etc/ssl/snonux.de.fullchain.pem",
+			keyFile:  "/etc/ssl/private/snonux.de.key",
+			path:     "/var/gemini/gemtexter/snonux.de",
+		},
+	}
+
+	// Load the config.
+	domainToHandler := map[string]*gemini.DomainHandler{}
+
+	for i := 0; i < len(config); i++ {
+		c := config[i]
+		h := gemini.FileSystemHandler(gemini.Dir(c.path))
+		cert, err := tls.LoadX509KeyPair(c.certFile, c.keyFile)
+		if err != nil {
+			fmt.Printf("error: failed to load certificates for domain %q: %v\n", c.domain, err)
+			os.Exit(1)
+		}
+		dh := gemini.NewDomainHandler(c.domain, cert, h)
+		domainToHandler[c.domain] = dh
+	}
+
+	// Start the server.
+	ctx := context.Background()
+	server := gemini.NewServer(ctx, ":1965", domainToHandler)
+	server.ReadTimeout = time.Second * 5
+	server.WriteTimeout = time.Second * 10
+	err := server.ListenAndServe()
+	if err != nil {
+		fmt.Printf("error: %v\n", err)
+		os.Exit(1)
+	}
+}