import json import js from pyodide.ffi import create_proxy # Estado global da Shell CURRENT_DIR = [] # Raiz do sistema virtual "/" VFS = {} COMMAND_HISTORY = [] HISTORY_INDEX = -1 def load_vfs(): global VFS try: with open("build.json", "r", encoding="utf-8") as f: data = json.load(f) # Normaliza para garantir que a raiz é o topo do FHS if "FefehOS" in data.get("children", {}): VFS = data["children"]["FefehOS"] else: VFS = data except Exception as e: print_to_output(f"[-] Erro crítico ao carregar VFS: {e}\n", "error") def print_to_output(text, style="normal"): output_div = js.document.getElementById("output") color_map = { "normal": "#00ff66", "error": "#ff0055", "info": "#00ccff", "command": "#ff0055" } color = color_map.get(style, "#00ff66") output_div.innerHTML += f"{text}
" output_div.scrollTop = output_div.scrollHeight def update_prompt(): path_str = "/" + "/".join(CURRENT_DIR) js.document.getElementById("prompt-label").innerText = f"fefeh@fefehOS:{path_str}$" def get_node_at_path(path_parts): node = VFS for part in path_parts: if not part: continue children = node.get("children", {}) if part in children: node = children[part] else: return None return node def resolve_target_path(target): if not target or target == "~" or target == "/": return [] parts = target.split("/") new_path = CURRENT_DIR.copy() if not target.startswith("/") else [] if target.startswith("/"): parts = parts[1:] for part in parts: if not part or part == ".": continue elif part == "..": if new_path: new_path.pop() else: test_node = get_node_at_path(new_path) if test_node and part in test_node.get("children", {}): if test_node["children"][part].get("type") == "directory": new_path.append(part) else: return None # Não é diretório else: return None # Não existe return new_path def execute_command(cmd_line): global CURRENT_DIR parts = cmd_line.split() if not parts: return cmd = parts[0] args = parts[1:] path_str = "/" + "/".join(CURRENT_DIR) print_to_output(f"fefeh@fefehOS:{path_str}$ {cmd_line}", "command") if cmd == "clear": js.document.getElementById("output").innerHTML = "" elif cmd == "help": print_to_output("FefehOS TTY - Comandos suportados:", "info") print_to_output(" ls [-la] [path] - Lista ficheiros e diretórios") print_to_output(" cd [path] - Altera o diretório atual") print_to_output(" pwd - Mostra o caminho absoluto atual") print_to_output(" cat - Exibe o conteúdo de um ficheiro") print_to_output(" uname [-a] - Informações do sistema") print_to_output(" whoami - Utilizador atual ativo") print_to_output(" history - Histórico de comandos da sessão") print_to_output(" clear - Limpa o ecrã do terminal") elif cmd == "whoami": print_to_output("fefeh") elif cmd == "uname": if args and "-a" in args: print_to_output("Linux fefehOS-tty 2026.9-arch #1 SMP PREWASM x86_64 GNU/Linux") else: print_to_output("FefehOS") elif cmd == "pwd": print_to_output("/" + "/".join(CURRENT_DIR)) elif cmd == "history": for idx, hist_cmd in enumerate(COMMAND_HISTORY): print_to_output(f" {idx+1} {hist_cmd}") elif cmd == "ls": target_path = CURRENT_DIR show_all = False long_format = False for arg in args: if arg.startswith("-"): if "a" in arg: show_all = True if "l" in arg: long_format = True else: resolved = resolve_target_path(arg) if resolved is not None: target_path = resolved else: print_to_output(f"ls: aceder a '{arg}': Ficheiro ou diretório não encontrado", "error") return node = get_node_at_path(target_path) if node and node.get("type") == "directory": children = node.get("children", {}) items = [] for name, details in children.items(): if not show_all and name.startswith('.'): continue if long_format: ftype = "d" if details.get("type") == "directory" else "-" size = details.get("size", 4096) items.append(f"{ftype}r-xr-x 1 fefeh fefeh {size:5d} 30 Sep 01:00 {name}") else: items.append(name) if long_format: print_to_output(f"total {len(items)}") for item in items: print_to_output(item) else: print_to_output(" ".join(items)) else: print_to_output("ls: erro ao inspecionar diretório", "error") elif cmd == "cd": target = args[0] if args else "/" new_path = resolve_target_path(target) if new_path is not None: CURRENT_DIR = new_path else: print_to_output(f"cd: {target}: Diretório não encontrado ou inválido", "error") elif cmd == "cat": if not args: print_to_output("cat: falta argumento de ficheiro", "error") else: filename = args[0] node = get_node_at_path(CURRENT_DIR) if node and node.get("type") == "directory": file_node = node.get("children", {}).get(filename) if file_node and file_node.get("type") == "file": content = file_node.get("content", "") for line in content.split("\n"): print_to_output(line) else: print_to_output(f"cat: {filename}: É um diretório ou não existe", "error") else: print_to_output("cat: erro no contexto do diretório", "error") else: print_to_output(f"zsh: comando não encontrado: {cmd}", "error") def handle_keydown(event): global HISTORY_INDEX, COMMAND_HISTORY input_el = js.document.getElementById("terminal-input") if event.key == "Enter": cmd_line = input_el.value.strip() if cmd_line: COMMAND_HISTORY.append(cmd_line) HISTORY_INDEX = len(COMMAND_HISTORY) input_el.value = "" execute_command(cmd_line) update_prompt() elif event.key == "ArrowUp": if COMMAND_HISTORY and HISTORY_INDEX > 0: HISTORY_INDEX -= 1 input_el.value = COMMAND_HISTORY[HISTORY_INDEX] event.preventDefault() elif event.key == "ArrowDown": if COMMAND_HISTORY: if HISTORY_INDEX < len(COMMAND_HISTORY) - 1: HISTORY_INDEX += 1 input_el.value = COMMAND_HISTORY[HISTORY_INDEX] else: HISTORY_INDEX = len(COMMAND_HISTORY) input_el.value = "" event.preventDefault() # Inicialização do ambiente load_vfs() update_prompt() print_to_output("FefehOS TTY [Versão 2026.9-WASM]", "info") print_to_output("Digite 'help' para listar os comandos disponíveis.\n", "info") input_element = js.document.getElementById("terminal-input") input_element.addEventListener("keydown", create_proxy(handle_keydown))