.

cmd/gemget/gemget.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"crypto/tls"
+	"flag"
+	"fmt"
+	"io"
+	"net/url"
+	"os"
+	"strings"
+)
+
+func main() {
+	// Parse command-line flags
+	insecure := flag.Bool("insecure", false, "Skip TLS certificate verification")
+	flag.Parse()
+
+	// Get the URL from arguments
+	args := flag.Args()
+	if len(args) != 1 {
+		fmt.Fprintf(os.Stderr, "Usage: gemget [--insecure] <gemini-url>\n")
+		os.Exit(1)
+	}
+
+	geminiURL := args[0]
+
+	host := validateUrl(geminiURL)
+
+	connect(geminiURL, host, *insecure)
+}
+
+func validateUrl(u string) string {
+	// Parse the URL
+	parsedURL, err := url.Parse(u)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error parsing URL: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Ensure it's a gemini URL
+	if parsedURL.Scheme != "gemini" {
+		fmt.Fprintf(os.Stderr, "Error: URL must use gemini:// scheme\n")
+		os.Exit(1)
+	}
+
+	// Get host and port
+	host := parsedURL.Host
+	if !strings.Contains(host, ":") {
+		host = host + ":1965" // Default Gemini port
+	}
+
+	return host
+}
+
+func connect(url string, host string, insecure bool) {
+	// Configure TLS
+	tlsConfig := &tls.Config{
+		InsecureSkipVerify: insecure,
+		MinVersion:         tls.VersionTLS12,
+	}
+
+	// Connect to the server
+	conn, err := tls.Dial("tcp", host, tlsConfig)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error connecting to server: %v\n", err)
+		os.Exit(1)
+	}
+	defer func() {
+		_ = conn.Close()
+	}()
+
+	// Send the request (URL + CRLF)
+	request := url + "\r\n"
+	_, err = conn.Write([]byte(request))
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error sending request: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Read and print the response to stdout
+	_, err = io.Copy(os.Stdout, conn)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error reading response: %v\n", err)
+		os.Exit(1)
+	}
+}