diff --git a/config.txt b/config.txt index 845e888..18d1fe1 100644 --- a/config.txt +++ b/config.txt @@ -85,4 +85,4 @@ install_command=apt-get install ; uninstall_command - Command used to remove packages (it depends on your ; Linux distro). ; Example: uninstall_command=apt-get --purge remove -uninstall_command=apt-get --purge remove \ No newline at end of file +uninstall_command=apt-get --purge remove diff --git a/pyTelegramShellBot.py b/pyTelegramShellBot.py index bcec8c8..b7cc871 100644 --- a/pyTelegramShellBot.py +++ b/pyTelegramShellBot.py @@ -823,6 +823,34 @@ def savePhoto(doc): bot.send_message(doc.chat.id, f"File saved as {file_path}") +@bot.message_handler(content_types=['audio', 'voice', 'document']) +def saveAudio(doc): + if not check_user(doc): + response = "Audio not saved. Please log in, insert a valid password." + bot.send_message(doc.from_user.id, response) + return + + if doc.content_type == 'audio': + # Handles various audio file formats + file_info = bot.get_file(doc.audio.file_id) + file_name = doc.audio.file_name if doc.audio.file_name else str(doc.date) + ".mp3" # Default to .mp3 if no name + elif doc.content_type == 'voice': + # Handles Telegram's voice message format (.ogg) + file_info = bot.get_file(doc.voice.file_id) + file_name = str(doc.date) + ".ogg" + elif doc.content_type == 'document': + # Handles audio files sent as a document (supports all formats like MP3, WAV, M4A, etc.) + if doc.document.mime_type.startswith("audio/"): + file_info = bot.get_file(doc.document.file_id) + file_name = doc.document.file_name if doc.document.file_name else str(doc.date) + + # Download the file + downloaded_file = bot.download_file(file_info.file_path) + file_path = SHARED_FOLDER + file_name + with open(file_path, 'wb') as new_file: + new_file.write(downloaded_file) + bot.send_message(doc.chat.id, f"Audio file saved as {file_path}") + def main(): bot.polling(none_stop=True) diff --git a/remoteTelegramShell/LICENSE b/remoteTelegramShell/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/remoteTelegramShell/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/remoteTelegramShell/README.md b/remoteTelegramShell/README.md new file mode 100644 index 0000000..18014bd --- /dev/null +++ b/remoteTelegramShell/README.md @@ -0,0 +1,109 @@ +# remoteTelegramShell +remoteTelegramShell is a remote shell for Linux that makes use of Telegram's conection to send commands and receive their output from the computer. +This tool is specially useful if you want to connect to a computer that is behind a private network without opening ports or just want to control your computer through Telegram, without using any ssh client. + +Check [remoteDiscordShell](https://github.com/EnriqueMoran/remoteDiscordShell) out for a similar solution working in Discord. + + +![alt tag](/readme_images/gif1.gif) + + +## Features +- Control your computer even if its within a private network. +- Send and download any file to/from your computer. +- All Linux distros supported. +- Login system and root restriction to avoid malicious connections from other users. +- Log system to register every sent command. +- Group support. +- Update/upgrade your system remotely. +- Install/remove any package remotely. +- Ban any command you don't want to be sent to the computer. + + +![alt tag](/readme_images/gif2.gif) + + +## How it works +To access to the computer control, Telegram users must log into the system, the password will be asked through DM to any unregistered user who sends a command. + +Once the user is logged in, all (allowed) commands sent will be processed by the computer and the generated output will be sent back to the user in real time. + +There is a configurable list of forbidden commands that shouldn't be used due to unexpected behaviour (e.g. non generating output commands such nano or vim). + +There is a set of special commands for specific actions such update or upgrade the system, the list of avaliable special commands is the following: +- **/update:** Update system. +- **/upgrade:** Upgrade system. +- **/install:** Ask for a package and install it. +- **/uninstall:** Ask for a package, then remove and purge it. +- **/help:** Show help message. +- **/reload:** Load config again. +- **/stop:** Send CTRL+C signal to current running process. +- **/forbidden:** Show forbidden command list. +- **/getfile:** Download the specified file (absolute path). + + +## Installation guide +First step is downloading this project, use this command: +``` +git clone https://github.com/EnriqueMoran/remoteTelegramShell.git +``` + +After cloning the repository in your own computer (it should be Linux OS), the following step is installing pyTelegramBotApi library (notice that this bot is compatible with python 3.7+, so pip3 might be necessary to use): +``` +pip install pyTelegramBotApi +``` + +1. On telegram, create a new bot (talk to *@BotFather*) and save the token. + +![alt tag](/readme_images/image1.png) + +2. For using the bot in groups, you must disable privacy (/setprivacy). + +![alt tag](/readme_images/image2.png) + +3. Edit *config.txt* file and fill the blanks (file paths MUST be absolute). + +![alt tag](/readme_images/image3.png) + +Depending on the chosen directory and if sudo parameter is active, it might be necessary to change access permissions of files, this can be done with chmod command. + +4. Last step is executing .py script and start using our computer through Telegram. +``` +python3 pyTelegramShellBot.py +python3 pyTelegramShellBot.py & (this will run the script in background) +``` + + +## Sending and receiving files +To send files just drag and drop on the chat, or click on send file button, they will be stored in configured shared folder. + +![alt tag](/readme_images/gif3.gif) + + +To download files from the computer use "/getfile + path" (e.g. /getfile /home/user/Desktop/test-file.txt). + +![alt tag](/readme_images/gif4.gif) + + +## TODO +- Clean code and use decorators for user checking. +- Parallelize loading messages (update, upgrade, install, remove) to avoid max edition limit. +- Add configurable ignore key to avoid processing messages starting with that character. + + +## Version history +Check [project releases](https://github.com/EnriqueMoran/remoteTelegramShell/releases) for more info. +- **v0.1_1.1.1:** (11/24/17) Basic user interface, generate output commands cant be sent, command's output can be received, commands that doesnt generate output wont be executed and user will receive *"Command not executed"* message. +- **v0.1_2.3.1:** (11/25/17) Added multiple user interface options, directory change is now possible, fully working log file, several non generating output command bugs has been fixed. +- **v0.1_3.4.2:** (12/07/17) Added install packages, update and upgrade system options; command output is captured and shown to user in real time. Most of linux basic commands are working, but editing file commands. +- **v0.1_5.5.3:** (12/12/17) Root access disabled, some options removed and new ones added. Huge command quantity has been successfully tested. +- **v0.2_6.6.4:** (12/21/17) Config file added, minor bugs fixed, user's ID are ciphered on users file. +- **v0.2_6.7.5:** (12/22/17) Last pre-release before v1.0. Forbidden commands are now working properly, several bugs fixed. +- **v1.0:** (6/21/18) Official release. Critical and minor bug fixed. New forbidden commands added. +- **v1.1.2:** (3/8/19) Typo correction, top command added, Telegram API 400 Bad Request error fixed. +- **v1.2.0:** (1/25/20) Install and uninstall package infinite loop fixed, config.txt and readme modified. +- **v1.2.1:** (1/26/20) Update and upgrade system infinite loop fixed, config parameters checker added. +- **v1.3.1:** (6/12/20) File sending and receiving feature added. +- **v1.3.2:** (6/27/20) Log limit fixed, several non generating output messages fixed, shareFolder parameter edited in config file. +- **v1.3.3:** (6/27/20) PEP8 formatted code, top command changed to send a txt file instead of printing the whole message. +- **v1.4.0:** (12/27/21) Major changes. Code refactorized, group support added, multiple distro support added, improved security. \ No newline at end of file diff --git a/remoteTelegramShell/config.txt b/remoteTelegramShell/config.txt new file mode 100644 index 0000000..845e888 --- /dev/null +++ b/remoteTelegramShell/config.txt @@ -0,0 +1,88 @@ +;####################### remoteTelegram config file ######################### + + +; This is the main configuration file. Before running pyTelegramShellBot.py +; you must edit this file and fill the following parameters in order to +; correctly configure the program. + + + +[GENERAL] + +; token - This is bot auth token, necessary to connect bot to Telegram sevice. +token= + + +; password - New users will need to use it in order to access to the service. +; Logged users ID will be stored in users.txt. If there are users stored and +; you want to change the password, you MUST delete users.txt file or its +; content. +password= + + +[FILES] + +; shared_folder - Absolute path to file sharing folder (ending with slash). +; All sent files will be stored here, don't choose a root-protected directory. +; Example: shared_folder=/home/user/Desktop/shared_folder/ +shared_folder= + + +; users_file - Absolute path to users.txt. This file content is allowed users. +; It will be checked on every command the bot recieves. Users ID will be +; hashed and stored in order to preserve anonymity. +; Example: users_file=/home/user/Desktop/shared_folder/users.txt +users_file= + + +; log_file - Absolute path to log.txt. This file registers user's ID and input +; besides the date and time. +; Example: log_file=/home/user/Desktop/shared_folder/log.txt +log_file= + + +; log_limit - Number of stored lines on log.txt. +log_limit=500 + + +[PERMISSIONS] + +; enable_root - Allow root access. If you want to enable root access, +; make sure you choose a strong password, since logged users will have total +; control of the computer. Change it to "True" (without quotes) to enable it. +enable_root=False + + +[USAGE] + +; forbidden_commands - List of unavaliable commands. Add here commands that +; throw errors, unexpected behaviour, etc... +forbidden_commands=["apt-get","aptitude","bash","clear","dc","ex","exit", + "expand","htop","man","nano","poweroff","raspi-config", + "reboot","scp","shutdown","ssh","vi","vim","wait", + "watch", "wc" + ] + + +; update_command - Command used to update system (it depends on your Linux +; distro). +; Example: update_command=apt-get update +update_command=apt-get update + + +; upgrade_command - Command used to upgrade system (it depends on your Linux +; distro). +; Example: upgrade_command=apt-get upgrade +upgrade_command=apt-get upgrade + + +; install_command - Command used to install packages (it depends on your Linux +; distro). +; Example: install_command=apt-get install +install_command=apt-get install + + +; uninstall_command - Command used to remove packages (it depends on your +; Linux distro). +; Example: uninstall_command=apt-get --purge remove +uninstall_command=apt-get --purge remove \ No newline at end of file diff --git a/remoteTelegramShell/pyTelegramShellBot.py b/remoteTelegramShell/pyTelegramShellBot.py new file mode 100644 index 0000000..bcec8c8 --- /dev/null +++ b/remoteTelegramShell/pyTelegramShellBot.py @@ -0,0 +1,832 @@ +import datetime +import os +import signal +import re +import subprocess +import telebot +import time + +from configparser import ConfigParser +from hashlib import sha256 +from json import loads + + +__author__ = "EnriqueMoran" + +__version__ = "v1.4.0" + + +TOKEN = None +PASSWORD = None # Used for user authentification +SHARED_FOLDER = None # Shared files storage folder path +USERS_FILE = None # users.txt path +LOG_FILE = None # log.txt path +LOG_LIMIT = None # Max number of lines to register in log +ENABLE_ROOT = False + +LOG_LINES = 0 # Current lines of log.txt +COMMANDS_QUEUE = {} # Used for updating and upgrading the system +AUTHENTIFIED_USERS = set() # Users allowed to send commands +CUSTOM_COMMANDS = [] # Bot custom commands +FORBIDDEN_COMMANDS = [] # Non working/disabled commands +CURRENT_PROCESS = None # Current process being executed + +UPDATE_COMMAND = None # Command used to update system +UPGRADE_COMMAND = None # Command used to upgrade system +INSTALL_COMMAND = None # Command used to install a package +REMOVE_COMMAND = None # Command used to remove a package + +CHAT_ID = None # Chat id to send messages (for custom commands) + +bot = None # Telebot object + + +def load_config(config_file): + global TOKEN, PASSWORD, SHARED_FOLDER, \ + USERS_FILE, LOG_FILE, LOG_LIMIT, ENABLE_ROOT, FORBIDDEN_COMMANDS, \ + UPDATE_COMMAND, UPGRADE_COMMAND, INSTALL_COMMAND, REMOVE_COMMAND + + config = ConfigParser() + config.read(config_file) + TOKEN = config.get('GENERAL', 'token') + PASSWORD = config.get('GENERAL', 'password') + SHARED_FOLDER = config.get('FILES', 'shared_folder') + USERS_FILE = config.get('FILES', 'users_file') + LOG_FILE = config.get('FILES', 'log_file') + LOG_LIMIT = int(config.get('FILES', 'log_limit')) + ENABLE_ROOT = config.getboolean('PERMISSIONS', 'enable_root') + FORBIDDEN_COMMANDS = loads(config.get('USAGE', 'forbidden_commands')) + UPDATE_COMMAND = config.get('USAGE', 'update_command') + UPGRADE_COMMAND = config.get('USAGE', 'upgrade_command') + INSTALL_COMMAND = config.get('USAGE', 'install_command') + REMOVE_COMMAND = config.get('USAGE', 'uninstall_command') + + +def initialize(): + """ + Read config and create configured files and folders. + """ + global COMMANDS_QUEUE, CUSTOM_COMMANDS + + config_path = os.getcwd() + "/config.txt" + load_config(config_path) + error, error_msg = check_config() + + CUSTOM_COMMANDS = ["/update", "/upgrade", "/install", + "/remove", "/forbidden", "/help", + "/reload", "/stop", "/getfile"] + COMMANDS_QUEUE = { + 'update': set(), + 'upgrade': set(), + 'install': {}, + 'uninstall': {}, + 'insert_password': set() + } + + if not error: + os.makedirs(SHARED_FOLDER, exist_ok=True) + f1 = open(LOG_FILE, "a+") + f1.close + f2 = open(USERS_FILE, "a+") + f2.close + + with open(LOG_FILE) as f: + LOG_LINES = sum(1 for _ in f) + else: + print(error_msg) + exit() + + +def check_config(): + global TOKEN, PASSWORD, SHARED_FOLDER, \ + USERS_FILE, LOG_FILE, LOG_LIMIT, ENABLE_ROOT, FORBIDDEN_COMMANDS, \ + UPDATE_COMMAND, UPGRADE_COMMAND, INSTALL_COMMAND, REMOVE_COMMAND + + error = False + error_msg = "Config file not properly filled, errors:" + if not PASSWORD or len(PASSWORD) <= 0: + error = True + error_msg += "\n- Password field is empty." + if not SHARED_FOLDER or len(SHARED_FOLDER) <= 0: + error = True + error_msg += "\n- Shared folder field is empty." + if "./" in SHARED_FOLDER: + error = True + error_msg += "\n- Shared folder path is relative." + if not USERS_FILE or len(USERS_FILE) <= 0: + error = True + error_msg += "\n- Users file field is empty." + if "./" in USERS_FILE: + error = True + error_msg += "\n- Users file field is relative." + if not LOG_FILE or len(LOG_FILE) <= 0: + error = True + error_msg += "\n- Log file field is empty." + if "./" in LOG_FILE: + error = True + error_msg += "\n- Log file path is relative." + if not LOG_LIMIT or LOG_LIMIT < 0: + error = True + error_msg += "\n- Log limit wrong value." + if type(ENABLE_ROOT) is not bool: + error = True + error_msg += "\n- Enable root field is empty." + if not FORBIDDEN_COMMANDS: + FORBIDDEN_COMMANDS = [] + if not UPDATE_COMMAND: + error = True + error_msg += "\n - Update system command is empty." + if not UPGRADE_COMMAND: + error = True + error_msg += "\n - Upgrade system command is empty." + if not INSTALL_COMMAND: + error = True + error_msg += "\n - Install package command is empty." + if not REMOVE_COMMAND: + error = True + error_msg += "\n - Remove package command is empty." + return error, error_msg + + +def encrypt(id): + """ + Cipher user id using SHA256 + """ + m = sha256() + m.update(str(id).encode()) + return m.hexdigest() + + +def register_user(user_id): + """ + Add user to users.txt + """ + encrypted_user = encrypt(user_id) + f = open(USERS_FILE, "a+") + content = [x.strip() for x in f.readlines()] + if encrypted_user not in content: + f.write(str(encrypted_user) + "\n") + f.close() + + +def check_user(message): + """ + Check if user ID is registered in users.txt + """ + global AUTHENTIFIED_USERS + + id = message.from_user.id + encrypted_id = encrypt(id) + check = False + with open(USERS_FILE) as f: + content = [x.strip() for x in f.readlines()] + if encrypted_id in content: + check = True + return check + + +def allow_user(user_id): + """ + Add user to authentified users set + """ + global AUTHENTIFIED_USERS + + AUTHENTIFIED_USERS.add(user_id) + + +def register_log(message): + """ + Register message in log.txt + """ + global LOG_LIMIT, LOG_FILE, LOG_LINES + LOG_LINES += 1 + with open(LOG_FILE, 'a+') as f: + now = datetime.datetime.now().strftime("%m-%d-%y %H:%M:%S ") + f.write(now + "[" + str(message.chat.username) + " (" + + str(message.chat.id) + ")]: " + str(message.text) + "\n") + + if LOG_LIMIT > 0 and LOG_LINES > LOG_LIMIT: + with open(LOG_FILE) as f: + lines = f.read().splitlines(True) + with open(LOG_FILE, 'w+') as f: + f.writelines(lines[abs(LOG_LINES - LOG_LIMIT):]) + + +def update_system(message): + """ + Run update command depending on SO distro + """ + global UPDATE_COMMAND + + output_text = " Updating system" + loading_items = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"] + i = 0 + msg_output = bot.send_message(CHAT_ID, output_text) + try: + command = f'echo {message.text} | sudo -S {UPDATE_COMMAND} -y' + proc = subprocess.Popen(command, shell=True, stdin=None, + stdout=subprocess.PIPE, + executable="/bin/bash") + while True: + output = proc.stdout.readline() + if output == b'' and proc.poll() is not None: + break + bot.edit_message_text(loading_items[i % (len(loading_items))] + + output_text, CHAT_ID, + msg_output.message_id) + i += 1 + proc.wait() + if proc.poll() == 0: + output = "System updated sucessfully." + bot.edit_message_text(output, CHAT_ID, + msg_output.message_id) + else: + output = "System not updated, error code: " + str(proc.poll()) + bot.edit_message_text(output, CHAT_ID, + msg_output.message_id) + except Exception as e: + error = str(e) + str((e.__class__.__name__)) + bot.send_message(CHAT_ID, error) + + +def upgrade_system(message): + """ + Run upgrade command depending on SO distro + """ + global UPGRADE_COMMAND + + output_text = " Upgrading system" + loading_items = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"] + i = 0 + msg_output = bot.send_message(CHAT_ID, output_text) + try: + command = f'echo {message.text} | sudo -S {UPGRADE_COMMAND} -y' + proc = subprocess.Popen(command, shell=True, stdin=None, + stdout=subprocess.PIPE, + executable="/bin/bash") + while True: + output = proc.stdout.readline() + if output == b'' and proc.poll() is not None: + break + bot.edit_message_text(loading_items[i % (len(loading_items))] + + output_text, CHAT_ID, + msg_output.message_id) + i += 1 + proc.wait() + if proc.poll() == 0: + output = "System upgraded sucessfully." + bot.edit_message_text(output, CHAT_ID, + msg_output.message_id) + else: + output = "System not upgraded, error code: " + str(proc.poll()) + bot.edit_message_text(output, CHAT_ID, + msg_output.message_id) + except Exception as e: + error = str(e) + str((e.__class__.__name__)) + bot.send_message(CHAT_ID, error) + + +def install_package(message): + """ + Run install package command depending on SO distro + """ + global INSTALL_COMMAND + + output_text = " Installing package: " + message.text + loading_items = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"] + i = 0 + msg_output = bot.send_message(CHAT_ID, output_text) + try: + command = f'echo {message.text} | sudo -S {INSTALL_COMMAND} -y' + \ + f' {message.text}' + proc = subprocess.Popen(command, shell=True, stdin=None, + stdout=subprocess.PIPE, + executable="/bin/bash") + already_installed = False + + while True: + output = proc.stdout.readline() + already_installed = (already_installed or + "0 newly installed" in str(output)) + if output == b'' and proc.poll() is not None: + break + bot.edit_message_text(loading_items[i % (len(loading_items))] + + output_text, CHAT_ID, + msg_output.message_id) + i += 1 + proc.wait() + + if already_installed: + return # Dont send any message + if proc.poll() == 0: + response = f"Package {message.text} sucessfully installed." + bot.edit_message_text(response, CHAT_ID, + msg_output.message_id) + else: + response = f"Package {message.text} not installed. " + \ + "Error code: " + str(proc.poll()) + bot.edit_message_text(response, CHAT_ID, + msg_output.message_id) + except Exception as e: + error = str(e) + str((e.__class__.__name__)) + bot.send_message(CHAT_ID, error) + + +def remove_package(message): + """ + Run remove package command depending on SO distro + """ + global REMOVE_COMMAND + + output_text = " Removing package: " + message.text + loading_items = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"] + i = 0 + msg_output = bot.send_message(CHAT_ID, output_text) + try: + command = f'echo {message.text} | sudo -S {REMOVE_COMMAND} -y' + \ + f' {message.text}' + proc = subprocess.Popen(command, shell=True, stdin=None, + stdout=subprocess.PIPE, + executable="/bin/bash") + already_installed = False + + while True: + output = proc.stdout.readline() + already_installed = (already_installed or + "0 to remove" in str(output)) + if output == b'' and proc.poll() is not None: + break + bot.edit_message_text(loading_items[i % (len(loading_items))] + + output_text, CHAT_ID, + msg_output.message_id) + i += 1 + proc.wait() + + if already_installed: + return # Dont send any message + if proc.poll() == 0: + response = f"Package {message.text} sucessfully removed." + bot.edit_message_text(response, CHAT_ID, + msg_output.message_id) + else: + response = f"Package {message.text} not removed. " + \ + "Error code: " + str(proc.poll()) + bot.edit_message_text(response, CHAT_ID, + msg_output.message_id) + except Exception as e: + error = str(e) + str((e.__class__.__name__)) + bot.send_message(CHAT_ID, error) + + +def get_forbidden_commands(message): + res = "" + for element in FORBIDDEN_COMMANDS: + res += element + ", " + return res[:-2] + + +def stop_proccess(message): # Send ctrl+c to current process + global CURRENT_PROCESS + + msg_id = message.chat.id + if CURRENT_PROCESS: + CURRENT_PROCESS.send_signal(signal.SIGINT) + bot.send_message(msg_id, "Ctrl + c sent.") + else: + bot.send_message(msg_id, "There is no process running.") + + +def check_forbidden(message): + content = message.text.split() + for elem in content: + if elem in FORBIDDEN_COMMANDS: + return True, elem + return False, None + + +def send_command(command, message): + global CURRENT_PROCESS + + """ + Send an empty message to user and edit it with command output + """ + output = "ㅤ" # Invisible character + msg_id = message.chat.id + msg_output = bot.send_message(msg_id, output) + output = "" + n_lines = 0 + try: + CURRENT_PROCESS = subprocess.Popen(command, shell=True, stdin=None, + stdout=subprocess.PIPE, + executable="/bin/bash") + for line in iter(CURRENT_PROCESS.stdout.readline, b''): + decoded = line.decode('windows-1252').strip() + if n_lines > 40: + msg_output = bot.send_message(msg_id, decoded) + n_lines = 0 + output = "" + if len(re.sub('[^A-Za-z0-9]+', '', decoded)) <= 0: + # Empty message that raises api 400 error + # Send special blank character + output += "ㅤ\n" + bot.edit_message_text(output, msg_id, + msg_output.message_id) + else: + try: + output += line.decode('utf-8') + bot.edit_message_text(output, msg_id, + msg_output.message_id) + except Exception as e: + msg_error = str(e) + msg_output = bot.send_message(msg_id, msg_error) + e_code = str(e).split()[str(e).split().index('code:') + + 1][:-1] + if int(e_code) == 429: # Too many request + break + n_lines += 1 + error = CURRENT_PROCESS.communicate() + CURRENT_PROCESS.wait() + except Exception as e: + error = str(e) + e.__class__.__name__ + bot.edit_message_text(error, msg_id, msg_output.message_id) + code = CURRENT_PROCESS.returncode + CURRENT_PROCESS = None + if code == 127: # Command not found + output = f"/bin/bash: {command}: Command not found" + bot.edit_message_text(output, msg_id, msg_output.message_id) + return code, msg_output + + +def ask_password(message): + bot.send_message(message.from_user.id, "Enter sudo password.") + + +def check_password(passwd): + com = f"sudo -K | echo {passwd} | sudo -S echo 1" + proc = subprocess.Popen(com, shell=True, stdin=None, + stdout=subprocess.PIPE, executable="/bin/bash") + for line in iter(proc.stdout.readline, b''): + return True + else: + return False + + +# Initialize bot +initialize() +bot = telebot.TeleBot(TOKEN) + + +@bot.message_handler(commands=['start', 'help']) +def send_welcome_msg(message): + """ + Send welcome message + """ + global __version__, SHARED_FOLDER + + msg_zero = f"---- pyTelegramShellBot version: {__version__} ----" + msg_one = "\n\nWelcome to pyTelegramShellBot, this bot allows " + \ + "you to remotely control a computer through shell commands." + + msg_two = "\nList of avaliable commands: " + \ + "\n **· /update**: Update system using configured " + \ + "package system." + \ + "\n **· /upgrade**: Upgrade system using configured " + \ + "package system." + \ + "\n **· /install**: Install a package." + \ + "\n **· /remove**: Remove an installed package." + \ + "\n **· /forbidden**: Show unavailable commands." + \ + "\n **· /help**: Show this message." + \ + "\n **· /reload**: Load the configuration file again." + \ + "\n **· /stop**: Send CTRL+C signal to running process." + \ + "\n **· /getfile**: Download the given file (absolute path)." + msg_three = "\nSent files to the computer will be saved in" + \ + f" configured shared folder: *{SHARED_FOLDER}*" + msg_four = "\nYou can download files by using getfile + absolute " + \ + "path (*e.g. getfile /home/user/Desktop/file.txt*)." + welcome_msg = msg_zero + msg_one + msg_two + msg_three + msg_four + bot.send_message(message.chat.id, welcome_msg, parse_mode="markdown") + + +@bot.message_handler(commands=['upgrade']) +def upgrade(message): + global CHAT_ID + + register_log(message) + + if not check_user(message): + response = "Please log in, insert a valid password." + bot.send_message(message.from_user.id, response) + return + + if check_user(message) and message.text.lower() == "/upgrade": + bot.send_message(message.chat.id, "Upgrade system? (yes/no):") + COMMANDS_QUEUE['upgrade'].add(message.from_user.id) + CHAT_ID = message.chat.id + + +@bot.message_handler(commands=['update']) +def uppdate(message): + global CHAT_ID + + register_log(message) + + if not check_user(message): + response = "Please log in, insert a valid password." + bot.send_message(message.from_user.id, response) + return + + if check_user(message) and message.text.lower() == "/update": + bot.send_message(message.chat.id, "Update system? (yes/no):") + COMMANDS_QUEUE['update'].add(message.from_user.id) + CHAT_ID = message.chat.id + + +@bot.message_handler(commands=['install']) +def install(message): + global CHAT_ID + + register_log(message) + + if not check_user(message): + response = "Please log in, insert a valid password." + bot.send_message(message.from_user.id, response) + return + + if check_user(message) and message.text == "/install": + bot.send_message(message.chat.id, "Write package name to install or" + + " 'cancel' to exit.") + COMMANDS_QUEUE['install'][message.from_user.id] = None + CHAT_ID = message.chat.id + + +@bot.message_handler(commands=['remove']) +def remove(message): + global CHAT_ID + + register_log(message) + + if not check_user(message): + response = "Please log in, insert a valid password." + bot.send_message(message.from_user.id, response) + return + + if check_user(message) and message.text == "/remove": + bot.send_message(message.chat.id, "Write package name to remove " + + "or 'cancel' to exit.") + COMMANDS_QUEUE['uninstall'][message.from_user.id] = None + CHAT_ID = message.chat.id + + +@bot.message_handler(commands=['forbidden']) +def show_forbidden(message): + bot.send_message(message.chat.id, "Currently forbidden commands: " + + str(get_forbidden_commands(message)) + ".") + + +@bot.message_handler(commands=['stop']) +def stop(message): + stop_proccess(message) + + +@bot.message_handler(commands=['reload']) +def reload(message): + initialize() + bot.send_message(message.chat.id, "Configuration reloaded.") + + +@bot.message_handler(func=lambda message: True) +def on_message(message): + """ + Send command to computer and return the output + """ + global USERS_FILELOGIN, VERSION, FORBIDDEN_COMMANDS, ENABLE_ROOT, \ + AUTHENTIFIED_USERS + + register_log(message) + msg_id = message.chat.id + + # Register access password + if msg_id not in AUTHENTIFIED_USERS: + # Password must be sent only by private (not groups) + if message.text == PASSWORD and message.chat.type == "private": + register_user(msg_id) # Register in users.txt + allow_user(msg_id) # Grant access to user + response = "Logged in, you can use commands now." + bot.send_message(message.from_user.id, response) + return + + if not check_user(message): + response = "Please log in, insert a valid password." + bot.send_message(message.from_user.id, response) + return + + # Process custom command after being authorized + msg_user_id = message.from_user.id + if message.chat.type == "private" and msg_id \ + in COMMANDS_QUEUE['insert_password']: + allowed = check_password(message.text) + if allowed: + if msg_id in COMMANDS_QUEUE['update']: + COMMANDS_QUEUE['update'].remove(msg_user_id) + update_system(message) + elif msg_id in COMMANDS_QUEUE['upgrade']: + COMMANDS_QUEUE['upgrade'].remove(msg_user_id) + upgrade_system(message) + elif msg_id in COMMANDS_QUEUE['install']: + install_package(COMMANDS_QUEUE['install'][msg_user_id]) + del COMMANDS_QUEUE['install'][msg_user_id] + elif msg_id in COMMANDS_QUEUE['uninstall']: + remove_package(COMMANDS_QUEUE['uninstall'][msg_user_id]) + del COMMANDS_QUEUE['uninstall'][msg_user_id] + return + else: + response = "Wrong password." + COMMANDS_QUEUE['update'].discard(msg_user_id) + COMMANDS_QUEUE['upgrade'].discard(msg_user_id) + COMMANDS_QUEUE['install'].pop(msg_user_id, None) + COMMANDS_QUEUE['uninstall'].pop(msg_user_id, None) + bot.send_message(msg_user_id, response) + return + + # Custom message response + if message.from_user.id in COMMANDS_QUEUE['update']: + # User must reply whether update system or not + if message.text.strip().lower() == 'yes': + ask_password(message) + COMMANDS_QUEUE['insert_password'].add(message.from_user.id) + elif message.text.strip().lower() == 'no': + COMMANDS_QUEUE['update'].remove(message.from_user.id) + response = "System won't update." + bot.send_message(msg_id, response) + else: + response = "Please reply 'yes' or 'no'." + bot.send_message(msg_id, response) + return + + if message.from_user.id in COMMANDS_QUEUE['upgrade']: + # User must reply whether update system or not + if message.text.strip().lower() == 'yes': + ask_password(message) + COMMANDS_QUEUE['insert_password'].add(message.from_user.id) + elif message.text.strip().lower() == 'no': + COMMANDS_QUEUE['upgrade'].remove(message.from_user.id) + response = "System won't upgrade." + bot.send_message(msg_id, response) + else: + response = "Please reply 'yes' or 'no'." + bot.send_message(msg_id, response) + return + + if message.from_user.id in COMMANDS_QUEUE['install']: + # User must reply which package to install + if message.text.strip().lower() == 'cancel': + del COMMANDS_QUEUE['install'][message.from_user.id] + response = "No package will be installed." + bot.send_message(msg_id, response) + else: + COMMANDS_QUEUE['install'][message.from_user.id] = message + ask_password(message) + COMMANDS_QUEUE['insert_password'].add(message.from_user.id) + return + + if message.from_user.id in COMMANDS_QUEUE['uninstall']: + # User must reply which package to uninstall + if message.text.strip().lower() == 'cancel': + del COMMANDS_QUEUE['uninstall'][message.from_user.id] + response = "No package will be removed." + bot.send_message(msg_id, response) + else: + COMMANDS_QUEUE['uninstall'][message.from_user.id] = message + ask_password(message) + COMMANDS_QUEUE['insert_password'].add(message.from_user.id) + return + + forbidden, command = check_forbidden(message) + + if forbidden: + response = f"{command} is a forbidden command." + bot.send_message(msg_id, response) + + elif message.text[0:2] == 'cd': + try: + os.chdir(message.text[3:]) + response = "Changed directory to " + str(os.getcwd()) + bot.send_message(msg_id, response) + except Exception as e: + bot.send_message(msg_id, str(e)) + + elif "sudo" in message.text and not ENABLE_ROOT: + bot.send_message(msg_id, "Root commands are disabled.") + + elif message.text[0:4] == "ping" and len(message.text.split()) == 2: + # Default ping, without arguments + ip = str(message.text).split()[1] + com = "ping " + str(ip) + " -c 4" # Infinite ping fix + try: + code, msg = send_command(com, message) + if code != 0: + text = " Name or service not known" + bot.edit_message_text(text, msg_id, msg.message_id) + except Exception as e: + error = "Error ocurred: " + str(e) + error_type = "Error type: " + str((e.__class__.__name__)) + bot.send_message(msg_id, str(error)) + bot.send_message(msg_id, str(error_type)) + elif message.text[0:3] == "top": + try: + # TODO: Use top -b plus message + msg_text = "ㅤ" # Invisible character + c = bot.send_message(msg_id, msg_text) + + for i in range(25): # Show 25 iterations + com = "top -b -n 1 -o +%CPU | head -n 15 | awk " + \ + "'{OFS=\"\\t\"}; {print $1, $2, $5, $8, $9, +" \ + "$10, $NF}'" + + p = subprocess.Popen(com, + stdout=subprocess.PIPE, + shell=True, cwd=os.getcwd()) + try: + top_msg = "" + for line in iter(p.stdout.readline, + b''): + decoded = line.decode('windows-1252').strip() + if len(re.sub('[^A-Za-z0-9]+', '', + decoded)) <= 0: + top_msg += "\n" + else: + try: + top_msg += line.decode('utf-8') + except Exception as e: + bot.send_message(msg_id, str(e)) + bot.edit_message_text(top_msg, msg_id, + c.message_id) + except Exception as e: + output = str(e) + bot.send_message(msg_id, output) + e_code = str(e).split()[str(e).split().index('code:') + + 1][:-1] + if int(e_code) == 429: # Too many request + return + except Exception as e: + output = str(e) + bot.send_message(msg_id, output) + e_code = str(e).split()[str(e).split().index('code:') + + 1][:-1] + if int(e_code) == 429: # Too many request + return + + elif message.text[0:8] == "/getfile": + file_path = os.path.join(message.text[8:].strip()) + if os.path.isfile(file_path): + doc = open(file_path, 'rb') + bot.send_document(msg_id, doc) + else: + bot.send_message(msg_id, "File doesn't exists.") + + else: # Any other command + try: + send_command(message.text, message) + except Exception as e: + error = str(e) + e.__class__.__name__ + bot.send_message(msg_id, error) + return + + +@bot.message_handler(content_types=['document']) +def saveDoc(doc): + if not check_user(doc): + response = "File not saved. Please log in, insert a valid password." + bot.send_message(doc.from_user.id, response) + return + + file_info = bot.get_file(doc.document.file_id) + downloaded_file = bot.download_file(file_info.file_path) + file_path = SHARED_FOLDER + doc.document.file_name + with open(file_path, 'wb') as new_file: + new_file.write(downloaded_file) + bot.send_message(doc.chat.id, f"File saved as {file_path}") + + +@bot.message_handler(content_types=['photo']) +def savePhoto(doc): + if not check_user(doc): + response = "Photo not saved. Please log in, insert a valid password." + bot.send_message(doc.from_user.id, response) + return + + file_info = bot.get_file(doc.photo[-1].file_id) + downloaded_file = bot.download_file(file_info.file_path) + file_path = SHARED_FOLDER + str(doc.date) + ".jpg" + with open(file_path, 'wb') as new_file: + new_file.write(downloaded_file) + bot.send_message(doc.chat.id, f"File saved as {file_path}") + + +def main(): + bot.polling(none_stop=True) + + +if __name__ == "__main__": + print("Bot running...") + main() diff --git a/remoteTelegramShell/readme_images/gif1.gif b/remoteTelegramShell/readme_images/gif1.gif new file mode 100755 index 0000000..bd76dc2 Binary files /dev/null and b/remoteTelegramShell/readme_images/gif1.gif differ diff --git a/remoteTelegramShell/readme_images/gif2.gif b/remoteTelegramShell/readme_images/gif2.gif new file mode 100755 index 0000000..52b3306 Binary files /dev/null and b/remoteTelegramShell/readme_images/gif2.gif differ diff --git a/remoteTelegramShell/readme_images/gif3.gif b/remoteTelegramShell/readme_images/gif3.gif new file mode 100755 index 0000000..c49bad0 Binary files /dev/null and b/remoteTelegramShell/readme_images/gif3.gif differ diff --git a/remoteTelegramShell/readme_images/gif4.gif b/remoteTelegramShell/readme_images/gif4.gif new file mode 100755 index 0000000..4309d40 Binary files /dev/null and b/remoteTelegramShell/readme_images/gif4.gif differ diff --git a/remoteTelegramShell/readme_images/image1.png b/remoteTelegramShell/readme_images/image1.png new file mode 100755 index 0000000..43b3b25 Binary files /dev/null and b/remoteTelegramShell/readme_images/image1.png differ diff --git a/remoteTelegramShell/readme_images/image2.png b/remoteTelegramShell/readme_images/image2.png new file mode 100755 index 0000000..e2d99dd Binary files /dev/null and b/remoteTelegramShell/readme_images/image2.png differ diff --git a/remoteTelegramShell/readme_images/image3.png b/remoteTelegramShell/readme_images/image3.png new file mode 100755 index 0000000..74be8db Binary files /dev/null and b/remoteTelegramShell/readme_images/image3.png differ