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package main
import (
"context"
"fmt"
"io"
"log"
"net/url"
"os"
"strings"
sr "tildegit.org/tjp/sliderule"
"tildegit.org/tjp/sliderule/gemini"
)
func main() {
if len(os.Args) < 2 {
fmt.Fprintf(os.Stderr, "usage: %s <gemini url>\n", os.Args[0])
}
certfile, keyfile := envConfig()
// build a client
var client gemini.Client
if certfile != "" && keyfile != "" {
tlsConf, err := gemini.FileTLS(certfile, keyfile)
if err != nil {
log.Fatal(err)
}
client = gemini.NewClient(tlsConf)
}
// parse the URL and build the request
request := &sr.Request{URL: buildURL(os.Args[1])}
// fetch the response
response, err := client.RoundTrip(context.Background(), request)
if err != nil {
log.Fatal(err)
}
defer response.Close()
if response.Status != gemini.StatusSuccess {
log.Fatalf("%d %s\n", response.Status, response.Meta)
}
if _, err := io.Copy(os.Stdout, response.Body); err != nil {
log.Fatal(err)
}
}
func envConfig() (string, string) {
return os.Getenv("CLIENT_CERTIFICATE"), os.Getenv("CLIENT_PRIVATEKEY")
}
func buildURL(raw string) *url.URL {
if strings.HasPrefix(raw, "//") {
raw = "gemini:" + raw
}
u, err := url.Parse(raw)
if err != nil {
log.Fatal(err)
}
return u
}
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