From 3c8887d2fa99b16f7117a6806b00a96565487c12 Mon Sep 17 00:00:00 2001
From: aqua <aqua@iserlohn-fortress.net>
Date: Thu, 29 Jul 2021 18:02:03 +0300
Subject: Add -o (output) flag

---
 gemini.go |  1 +
 main.go   | 34 ++++++++++++++++++++++++----------
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/gemini.go b/gemini.go
index 8594de4..79a7c97 100644
--- a/gemini.go
+++ b/gemini.go
@@ -37,6 +37,7 @@ func NewGeminiConn(request string, port int) (*GeminiConn, error) {
 	}
 
 	conf := tls.Config{
+		MinVersion:         tls.VersionTLS12,
 		InsecureSkipVerify: true,
 	}
 
diff --git a/main.go b/main.go
index 22d9fbf..a4c2190 100644
--- a/main.go
+++ b/main.go
@@ -7,35 +7,49 @@ import (
 	"os"
 )
 
-var host = ""
-var port = GeminiPort
-
 func usage() {
 	fmt.Printf("Usage: %s [options] url\n", os.Args[0])
 	flag.PrintDefaults()
 }
 
 func main() {
+	flags := struct {
+		host   string
+		port   int
+		output string
+	}{
+		host:   "",
+		port:   GeminiPort,
+		output: "",
+	}
+
 	flag.Usage = usage
-	flag.StringVar(&host, "h", host, "server host name")
-	flag.StringVar(&host, "host", host, "server host name")
-	flag.IntVar(&port, "p", port, "server port number")
-	flag.IntVar(&port, "port", port, "server port number")
+	flag.StringVar(&flags.host, "h", flags.host, "server host name")
+	flag.IntVar(&flags.port, "p", flags.port, "server port number")
+	flag.StringVar(&flags.output, "o", flags.output, "write output to path")
 	flag.Parse()
 	if flag.NArg() != 1 {
-		fmt.Printf("Got %d arguments, expected 1\n", flag.NArg())
+		fmt.Printf("Error: Got %d arguments, expected 1\n", flag.NArg())
 		flag.Usage()
 		os.Exit(1)
 	}
 
-	conn, err := NewGeminiConn(flag.Arg(0), port)
+	conn, err := NewGeminiConn(flag.Arg(0), flags.port)
 	if err != nil {
 		log.Fatalf("Error parsing hostname: %s\n", err.Error())
 	}
 
 	log.Printf("connecting to: %s\n", conn.host)
 
-	err = conn.Get(FormatRequest(flag.Arg(0)), os.Stdout)
+	var output = os.Stdout
+	if flags.output != "" {
+		output, err = os.Create(flags.output)
+		if err != nil {
+			log.Fatalf("Error creating file: %s\n", err.Error())
+		}
+	}
+
+	err = conn.Get(FormatRequest(flag.Arg(0)), output)
 	if err != nil {
 		log.Fatalf("Error: %s\n", err.Error())
 	}
-- 
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