package main import ( "fmt" "io/ioutil" "os" "path/filepath" email "git.tilde.town/tildetown/town/email" ) const geminiHomeDocBase = "/home/gemini/users" func processGemini(requestRootPath string) error { rp := filepath.Join(requestRootPath, "gemini") files, err := ioutil.ReadDir(rp) if err != nil { return fmt.Errorf("failed to list directory %s: %w", rp, err) } usernames := []string{} for _, file := range files { usernames = append(usernames, file.Name()) } if len(usernames) == 0 { return nil } for _, username := range usernames { err := linkGemini(username) if err != nil { fmt.Fprintf(os.Stderr, "failed to process gemini request for %s: %s\n", username, err.Error()) } os.Remove(filepath.Join(rp, username)) } return nil } func linkGemini(username string) error { pgPath := filepath.Join("/home", username, "public_gemini") if !pathExists(pgPath) { return fmt.Errorf("public_gemini missing for %s", username) } geminiPath := filepath.Join(geminiHomeDocBase, username) if !pathExists(geminiPath) { err := os.Symlink(pgPath, geminiPath) if err != nil { return fmt.Errorf("failed to link public_gemini for %s: %w", username, err) } } body := fmt.Sprintf(`hi %s! you requested a gemini space on the town. this space has been activated and anything you do in your public_gemini directory should now be reflected by the server. if you did _not_ request this, please let an admin know.`, username) return email.SendLocalEmail(username, "gemini", body) } func pathExists(path string) bool { _, err := os.Stat(path) return err == nil }