Merge pull request #2 from AlignPixel/master

为开发分支做准备
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# Pixel-Chat-App # 💬Pixel-Chat App
A simple, server-deployable instant chat tool.
一个简单、快速、开源的Python即时聊天系统涵盖了多种聊天操作需求
### 🤩功能亮点
- 开箱即用,无需部署
- 可将任意计算机、服务器上用作服务端使用,仅需一个 `Pixel Chat Desktop` 输入IP地址即可访问所有使用 `Pixel-Chat Server` 的聊天服务器
- 内置防刷屏自动封禁刷屏IP地址
- 简单的黑名单IP管理
- 简单方便的服务端命令,只需一个服务端即可掌控整个聊天服务器
- 无需手动重置,因为不使用缓存,所以关闭重新打开自动清除数据
### ℹ️使用方法
###### 在服务器上运行服务端
1. 在用作服务端的服务器或计算机上安装[Python环境](https://python.org)
2. 在Release页面下载 `Pixel-Chat Server`,下载完成后运行
3. VOILA! 现在邀请你的用户通过 `Pixel-Chat Client``Pixel-Chat Desktop` 访问服务器/计算机IP地址即可聊天
###### 访问您喜欢的聊天服务器
1. 在Release页面下载 `Pixel-Chat-Desktop`,下载完成后运行
2. 输入您喜欢的聊天服务器IP
3. VOILA! 现在是聊天时间
###### 需要特殊/定制版本
请邮件联系[seventeen@ohdragonboi.cn](mailto:seventeen@ohdragonboi.cn)探讨您需要的内容,也许会需要您支付额外费用🤔
### 🎈贡献者列表
欢迎为本项目贡献一份你的力量请参考Wiki中《贡献手册》章节为本项目提交PR或Issues
> 排名不分先后,以下列表按时间顺序展示
| AVATAR | NAME | WORK |
| ------------------------------------------------------------ | ------------------------------------------------------- | --------------- |
| <img src="https://avatars.githubusercontent.com/u/120368045?s=400&u=ac60326a41a0d41faaf82ad25bcd143d85224791&v=4" alt="BunDragon's Github AVATAR" width="50px" /> | [磅豆龙(FrederickBun)](https://github.com/FrederickBun) | AUTHOR(Creator) |
| <img src="https://avatars.githubusercontent.com/u/98998872" alt="Rayminn's Github AVATAR" width="50px"/> | [Yiming Lei(Rayminn)](https://github.com/Rayminn) | AUTHOR(Editor) |
### 📦特供版本与特殊版本使用者
如果你要选择定制你的 `Pixel-Chat Server`,下面的例子也许可以供你参考
| USER/ORGANIZATION | INFO | HOW TO THEY/THEIR USE |
| ------------------------ | ------------------------------------------------------------ | ---------------------------------------------------------- |
| 西南大学附中信息学竞赛生 | 本程序最初设计目的是为了此需求,后来开源,诞生了此项目。本文本中提到的 `Pixel-Chat Client` 就是最初由同学们编写的初代客户端,而 `Pixel-Chat Desktop` 是由[AlignPixel](https://github.com/AlignPixel)所改进的开源版本 | 用于刷题目时共享思路,一位同学运行服务端,全班同学可以使用 |
### 🖼️屏幕截图
![总体截图](https://cdn.jsdelivr.net/gh/FrederickBun/upyun-rhimgcdn@img/upload/202407271438190.png)
![客户端](https://cdn.jsdelivr.net/gh/FrederickBun/upyun-rhimgcdn@img/upload/202407271438066.png)
![服务端](https://cdn.jsdelivr.net/gh/FrederickBun/upyun-rhimgcdn@img/upload/202407271438163.png)

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import json import json
import threading import threading
from socket import * from socket import *
from time import ctime from time import ctime, time
class PyChattingServer: class PyChattingServer:
__socket = socket(AF_INET, SOCK_STREAM, 0) __socket = socket(AF_INET, SOCK_STREAM, 0)
@ -14,7 +14,10 @@ class PyChattingServer:
self.__msg_handler = ChattingHandler() self.__msg_handler = ChattingHandler()
def start_session(self): def start_session(self):
print('即时聊天系统部署完成用户可通过客户端并输入本机IP访问\r\n') print('已经上线用户可通过IP进入\r\n')
input_thread_handler = threading.Thread(target=self.input_thread)
input_thread_handler.daemon = True
input_thread_handler.start()
try: try:
while True: while True:
cs, caddr = self.__socket.accept() cs, caddr = self.__socket.accept()
@ -23,37 +26,70 @@ class PyChattingServer:
except socket.error: except socket.error:
pass pass
def input_thread(self):
while True:
command = input("")
self.__msg_handler.add_to_blacklist_manual(command.strip())
class ChattingThread(threading.Thread): class ChattingThread(threading.Thread):
__buf = 1024 __buf = 32767
def __init__(self, cs, caddr, msg_handler): def __init__(self, cs, caddr, msg_handler):
super(ChattingThread, self).__init__() super(ChattingThread, self).__init__()
self.__cs = cs self.__cs = cs
self.__caddr = caddr self.__caddr = caddr
self.__msg_handler = msg_handler self.__msg_handler = msg_handler
self.__last_msg_time = time()
self.__msg_count = 0
def run(self): def run(self):
try: try:
print('> 连接来自于:', self.__caddr) print('连接来自于:', self.__caddr)
data = "欢迎你到来由Pixel Chat驱动的聊天室开始聊天前请你阅读以下须知\r\n"\ if self.__msg_handler.is_blacklisted(self.__caddr[0]):
"1. 请勿发表辱骂他人的言论\r\n"\ self.__handle_blacklisted()
"2. 请勿发表违反国家法律的言论\r\n"\ return
"3. 请勿刷屏\r\n"\ data = "欢迎你来到由PixelChat驱动的聊天室请遵守以下规则\r\n"\
"4. 本聊天工具没有换行,一行写完回车即发送\r\n"\ "1. 不要刷屏,否则将会被踢出\r\n"\
"如果您同意以上协议,请输入你的的昵称(不能带空格)并开始聊天:" "2. 不要骂人,可以吐槽,但要适度\r\n"\
"3. 如有问题请联系服务器管理员\r\n"\
"4. 不要发布违反国家法律的信息\r\n"\
"如果你同意以上内容,请输入昵称加入服务器~"
self.__cs.sendall(bytes(data, 'utf-8')) self.__cs.sendall(bytes(data, 'utf-8'))
while True: while True:
if self.__msg_handler.is_blacklisted(self.__caddr[0]):
self.__handle_blacklisted()
return
data = self.__cs.recv(self.__buf).decode('utf-8') data = self.__cs.recv(self.__buf).decode('utf-8')
if not data: if not data:
break break
if len(data) > 15000:
self.__msg_handler.add_to_blacklist(self.__caddr[0])
self.__handle_blacklisted()
return
current_time = time()
if current_time - self.__last_msg_time < 12: # 12秒内发送多条消息
self.__msg_count += 1
if self.__msg_count > 12:
self.__msg_handler.add_to_blacklist(self.__caddr[0])
self.__handle_blacklisted()
return
else:
self.__msg_count = 0
self.__last_msg_time = current_time
self.__msg_handler.handle_msg(data, self.__cs) self.__msg_handler.handle_msg(data, self.__cs)
print(data) print(data)
except: except Exception as e:
pass print(f"Error in thread: {e}")
finally: finally:
self.__msg_handler.close_conn(self.__cs) self.__msg_handler.close_conn(self.__cs)
self.__cs.close() self.__cs.close()
def __handle_blacklisted(self):
print('...黑塔安全拦截的用户:', self.__caddr)
data = '拒绝访问!请联系管理员处理'
self.__cs.sendall(bytes(data, 'utf-8'))
self.__cs.close()
class ChattingHandler: class ChattingHandler:
__help_str = "[ 系统消息 ]\r\n" \ __help_str = "[ 系统消息 ]\r\n" \
"输入/checkol,即可获得所有登陆用户信息\r\n" \ "输入/checkol,即可获得所有登陆用户信息\r\n" \
@ -64,11 +100,12 @@ class ChattingHandler:
"再次输入/i,即可取消屏蔽\r\n" \ "再次输入/i,即可取消屏蔽\r\n" \
"所有首字符为/的信息都不会发送出去" "所有首字符为/的信息都不会发送出去"
__buf = 1024 __buf = 32767
__socket_list = [] __socket_list = []
__user_name_to_socket = {} __user_name_to_socket = {}
__socket_to_user_name = {} __socket_to_user_name = {}
__user_name_to_broadcast_state = {} __user_name_to_broadcast_state = {}
__blacklist = set()
def start_thread(self, cs, caddr): def start_thread(self, cs, caddr):
self.__socket_list.append(cs) self.__socket_list.append(cs)
@ -87,7 +124,7 @@ class ChattingHandler:
self.__socket_to_user_name.pop(cs) self.__socket_to_user_name.pop(cs)
self.__user_name_to_broadcast_state.pop(nickname) self.__user_name_to_broadcast_state.pop(nickname)
nickname += " " nickname += " "
self.broadcast_system_msg(nickname + "离开了本聊天室,他的用户名 " + nickname + "现在开放注册") self.broadcast_系统消息_msg(nickname + "离开了本聊天室")
def handle_msg(self, msg, cs): def handle_msg(self, msg, cs):
js = json.loads(msg) js = json.loads(msg)
@ -97,7 +134,7 @@ class ChattingHandler:
self.send_to(json.dumps({ self.send_to(json.dumps({
'type': 'login', 'type': 'login',
'success': False, 'success': False,
'msg': '账号禁止包含空格!' 'msg': '账号不能够带有空格'
}), cs) }), cs)
else: else:
self.__user_name_to_socket[js['msg']] = cs self.__user_name_to_socket[js['msg']] = cs
@ -108,12 +145,12 @@ class ChattingHandler:
'success': True, 'success': True,
'msg': '昵称建立成功,输入/checkol可查看所有在线的人,输入/help可以查看帮助(所有首字符为/的消息都不会发送)' 'msg': '昵称建立成功,输入/checkol可查看所有在线的人,输入/help可以查看帮助(所有首字符为/的消息都不会发送)'
}), cs) }), cs)
self.broadcast_system_msg(js['msg'] + "加入了聊天") self.broadcast_系统消息_msg(js['msg'] + "加入了聊天")
else: else:
self.send_to(json.dumps({ self.send_to(json.dumps({
'type': 'login', 'type': 'login',
'success': False, 'success': False,
'msg': '账号已存在,请换一个重试' 'msg': '账号已存在'
}), cs) }), cs)
elif js['type'] == "broadcast": elif js['type'] == "broadcast":
if self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]]: if self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]]:
@ -121,7 +158,7 @@ class ChattingHandler:
else: else:
self.send_to(json.dumps({ self.send_to(json.dumps({
'type': 'broadcast', 'type': 'broadcast',
'msg': '屏蔽模式下无法发送群聊信息,输入/i可取消屏蔽' 'msg': '屏蔽模式下无法发送群聊信息,输入/i解除屏蔽'
}), cs) }), cs)
elif js['type'] == "ls": elif js['type'] == "ls":
self.send_to(json.dumps({ self.send_to(json.dumps({
@ -143,20 +180,13 @@ class ChattingHandler:
def exchange_ignore_state(self, cs): def exchange_ignore_state(self, cs):
if cs in self.__socket_to_user_name: if cs in self.__socket_to_user_name:
state = self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]] state = self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]]
if state: state = not state
state = False
else:
state = True
self.__user_name_to_broadcast_state.pop(self.__socket_to_user_name[cs])
self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]] = state self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]] = state
if self.__user_name_to_broadcast_state[self.__socket_to_user_name[cs]]: msg = "通常模式" if state else "屏蔽模式"
msg = "通常模式"
else:
msg = "屏蔽模式"
self.send_to(json.dumps({ self.send_to(json.dumps({
'type': 'ignore', 'type': 'ignore',
'success': True, 'success': True,
'msg': '[%s]\r\n[ 系统消息 ] : %s\r\n' % (ctime(), "模式切换成功,现在是" + msg) 'msg': '[ %s ]\r\n[ 系统消息 ] : %s\r\n' % (ctime(), "模式切换成功,现在是" + msg)
}), cs) }), cs)
else: else:
self.send_to({ self.send_to({
@ -167,7 +197,7 @@ class ChattingHandler:
def single_chatting(self, cs, nickname, msg): def single_chatting(self, cs, nickname, msg):
if nickname in self.__user_name_to_socket: if nickname in self.__user_name_to_socket:
msg = '[%s]\r\n[ %s 发送给 %s ] : %s\r\n' % ( msg = '[ %s ]\r\n[ %s 发送给 %s ] : %s\r\n' % (
ctime(), self.__socket_to_user_name[cs], nickname, msg) ctime(), self.__socket_to_user_name[cs], nickname, msg)
self.send_to_list(json.dumps({ self.send_to_list(json.dumps({
'type': 'single', 'type': 'single',
@ -185,9 +215,9 @@ class ChattingHandler:
self.send_to(msg, cs[i]) self.send_to(msg, cs[i])
def get_all_login_user_info(self): def get_all_login_user_info(self):
login_list = "[ 系统消息 ] 当前在线 : " login_list = "[ 系统消息 ] 在线用户 : "
for key in self.__socket_to_user_name: for key in self.__socket_to_user_name:
login_list += self.__socket_to_user_name[key] + "," login_list += self.__socket_to_user_name[key] + " | "
return login_list return login_list
def send_to(self, msg, cs): def send_to(self, msg, cs):
@ -195,10 +225,10 @@ class ChattingHandler:
self.__socket_list.append(cs) self.__socket_list.append(cs)
cs.sendall(bytes(msg, 'utf-8')) cs.sendall(bytes(msg, 'utf-8'))
def broadcast_system_msg(self, msg): def broadcast_系统消息_msg(self, msg):
data = '[%s]\r\n[ 系统消息 ] : %s' % (ctime(), msg) data = '[ %s ]\r\n[ 系统消息 ] : %s' % (ctime(), msg)
js = json.dumps({ js = json.dumps({
'type': 'system_msg', 'type': '系统消息_msg',
'msg': data 'msg': data
}) })
for i in range(len(self.__socket_list)): for i in range(len(self.__socket_list)):
@ -206,7 +236,7 @@ class ChattingHandler:
self.__socket_list[i].sendall(bytes(js, 'utf-8')) self.__socket_list[i].sendall(bytes(js, 'utf-8'))
def broadcast(self, msg, cs): def broadcast(self, msg, cs):
data = '[%s]\r\n[%s] : %s\r\n' % (ctime(), self.__socket_to_user_name[cs], msg) data = '[ %s ]\r\n[%s] : %s\r\n' % (ctime(), self.__socket_to_user_name[cs], msg)
js = json.dumps({ js = json.dumps({
'type': 'broadcast', 'type': 'broadcast',
'msg': data 'msg': data
@ -216,10 +246,41 @@ class ChattingHandler:
and self.__user_name_to_broadcast_state[self.__socket_to_user_name[self.__socket_list[i]]]: and self.__user_name_to_broadcast_state[self.__socket_to_user_name[self.__socket_list[i]]]:
self.__socket_list[i].sendall(bytes(js, 'utf-8')) self.__socket_list[i].sendall(bytes(js, 'utf-8'))
def is_blacklisted(self, ip):
return ip in self.__blacklist
def add_to_blacklist(self, ip):
self.__blacklist.add(ip)
def add_to_blacklist_manual(self, ip):
if ip == '.ban':
ip = input("请输入需要封禁的ip地址")
if not self.is_blacklisted(ip):
self.__blacklist.add(ip)
print(f"IP {ip} 已被手动加入黑名单")
else:
print(f"IP {ip} 已经在黑名单中")
elif ip == '.unban':
ip = input("请输入需要解除封禁的ip地址")
if not self.is_blacklisted(ip):
print(f"IP {ip} 未在黑名单中")
else:
self.__blacklist.remove(ip)
print(f"IP {ip} 已经被手动移除")
elif ip == '.banlist':
print(self.__blacklist)
elif ip == '.help':
print("BAN: 封禁某个IP\r\n"\
"UNBAN: 解除封禁某个IP\r\n"\
"BANLIST: 查看封禁IP列表\r\n"\
"HELP: 查看操作帮助")
else:
print("不存在的命令!")
def main(): def main():
server = PyChattingServer() server = PyChattingServer()
server.start_session() server.start_session()
if __name__ == "__main__" : if __name__ == "__main__":
main() main()