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package main
import (
"context"
"log"
"os"
"tildegit.org/tjp/gus"
"tildegit.org/tjp/gus/contrib/fs"
"tildegit.org/tjp/gus/gemini"
"tildegit.org/tjp/gus/logging"
)
func main() {
// Get TLS files from the environment
certfile, keyfile := envConfig()
// build a TLS configuration suitable for gemini
tlsconf, err := gemini.FileTLS(certfile, keyfile)
if err != nil {
log.Fatal(err)
}
// build the request handler
fileSystem := os.DirFS(".")
// Fallthrough tries each handler in succession until it gets something other than "51 Not Found"
handler := gus.FallthroughHandler(
// first see if they're fetching a directory and we have <dir>/index.gmi
fs.DirectoryDefault(fileSystem, "index.gmi"),
// next (still if they requested a directory) build a directory listing response
fs.DirectoryListing(fileSystem, nil),
// finally, try to find a file at the request path and respond with that
fs.FileHandler(fileSystem),
)
_, infoLog, _, errLog := logging.DefaultLoggers()
// add request logging to stdout
handler = logging.LogRequests(infoLog)(handler)
// run the server
server, err := gemini.NewServer(context.Background(), errLog, tlsconf, "tcp4", ":1965", handler)
if err != nil {
log.Fatal(err)
}
server.Serve()
}
func envConfig() (string, string) {
certfile, ok := os.LookupEnv("SERVER_CERTIFICATE")
if !ok {
log.Fatal("missing SERVER_CERTIFICATE environment variable")
}
keyfile, ok := os.LookupEnv("SERVER_PRIVATEKEY")
if !ok {
log.Fatal("missing SERVER_PRIVATEKEY environment variable")
}
return certfile, keyfile
}
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