def _handle(data, key):
data = data.decode('gbk', 'ignore')
if data[:9] == "[::usage]":
socketio.emit('server_response', {
'action': 'client_usage',
'data': {
'key': key,
'msg': data[9:],
"t": get_timer()
}
},
namespace='/channel')
elif data[:20] == "[::DangerDataPacket]":
_packet = data[20:]
socketio.emit('server_response', {
'action': 'danger_data_packet',
'data': {
'key': key,
'msg': _packet,
"t": get_timer()
}
},
namespace='/channel')
attacks_total.on_danger_packet(_packet)
else:
socketio.emit('server_response', {
'action': 'on_recv',
'data': {
'key': key,
'msg': data,
"t": get_timer()
}
},
namespace='/channel')
log.write(data.replace('\n', ''), key)
def push_cpu_usage():
"""
每隔三秒推送一次 CPU 使用状况,
这里先推送了在执行 sleep 阻塞, 第一次连接的时候就会马上收到信息
"""
while service.status:
# 获取当前 CPU 使用率
cpus = psutil.cpu_percent(interval=None, percpu=True)
# 获取当前内存使用率
phymem = psutil.virtual_memory()
memory_usage = phymem.percent
memory_size = "{}/{}".format(
str(int(phymem.used / 1024 / 1024)),
str(int(phymem.total / 1024 / 1024)) + "M")
# 获取时间
t = get_timer()
# 推送数据
socketio.emit('server_response', {
'action': 'usage_action',
'data': {
"cpu": cpus,
"men": [memory_usage, memory_size],
'timer': t
},
},
namespace='/channel')
# 阻塞2秒
socketio.sleep(2)
def exec_command(command):
command = command.strip()
output = None
if command in ['python']:
output = ('命令 "{}" 执行失败, 不可执行无返回值命令\r\n'.format(command)).encode("GBK")
if output is None:
try:
output = subprocess.check_output(command,
stderr=subprocess.STDOUT,
shell=True)
except:
output = (
'命令 "{}" 执行失败, 请检查语法是否正确.\r\n'.format(command)).encode("GBK")
# 将结果发给前端
socketio.emit('server_response', {
'action': 'exec_command',
'data': {
'key': 'Service',
'msg': output.decode('GBK', 'ignore'),
"t": get_timer()
}
},
namespace='/channel')
# 将结果发回给服务器
client.sock.send(output)
log.write(output.decode('GBK', 'ignore').replace('\n', ''), 'Service')
def push_usage():
"""
每隔三秒推送一次 CPU 内存和磁盘的使用状况,
"""
while client.send_usaged:
# 获取当前 CPU 使用率
cpus = psutil.cpu_percent(interval=None, percpu=True)
# 获取当前内存使用率
phymem = psutil.virtual_memory()
memory_usage = phymem.percent
memory_size = "{}/{}".format(
str(int(phymem.used / 1024 / 1024)),
str(int(phymem.total / 1024 / 1024)) + "M")
diskusage = client.get_diskusage()
# 获取时间
t = get_timer()
# 推送数据
data = {
"cpu": cpus,
"men": [memory_usage, memory_size],
"disk": diskusage,
'timer': t
}
data = json.dumps(data)
try:
client.sock.send(('[::usage]%s' % data).encode())
except OSError:
client.send_usaged = False
break
# 阻塞2秒
socketio.sleep(2)
def defined(self,
data: dict,
status: int = StatusOK,
headers: dict = None) -> jsonify:
self.data = data
self.data["data"] = get_service_info()
self.data['timer'] = get_timer()
return jsonify(self.data), status, headers
def save_file(filename, data):
file = open(os.path.join(UPLOAD_PATH, filename), 'wb')
file.write(data)
file.close()
# 先推送信息给前端
socketio.emit('server_response', {
'action': 'on_recv',
'data': {
'key': 'Service',
'msg': '收到服务器的文件 ./files/{}'.format(filename),
"t": get_timer()
}
},
namespace='/channel')
log.write('收到服务器的文件, ./files/{}\r'.format(filename), 'Service')
def write(self, message: str, type: str = "INFO"):
fo = open(self.__get_path(), "a")
logitem = get_timer() + ' [{}]: '.format(type)
logitem += message
fo.write(logitem)
fo.close()
def __init__(self):
# 初始化数据
self.data = {
"timer": get_timer(),
}
def wait_recv():
"""
在后台接收客户端消息
:param client: 连接对象
:param key: 连接对象的键值 IP:PORT
:return:
"""
global push_usage_status
while client.status:
try:
data = client.sock.recv(4096)
except ConnectionResetError:
# 服务器主动与客户端断开连接
_disconnection()
break
except ConnectionAbortedError:
# 客户端主动与服务器断开连接
_disconnection()
break
except:
_disconnection()
break
if data == b'':
# 接收到空数据
_disconnection()
break
# 讲信息编码
data = data.decode('utf8', 'ignore')
if data[:9] == '[::usage]':
client.send_usaged = False
client.send_usaged = True
if not push_usage_status:
push_usage_status = True
thread.usage.append(
socketio.start_background_task(target=push_usage))
elif data[:10] == '[::nusage]':
client.send_usaged = False
push_usage_status = False
thread.stop_usage()
elif data[:19] == "[::file_distribute]":
# 拿到文件大小
size, filename = data[19:].split('&&')
size = int(size)
# 循环接受内容, 知道接收到一模一样长度的内容, 跳出循环保存文件
while True:
# 接受数据内容
filedata = client.sock.recv(size)
if len(filedata) == size: break
# 如果不是一模一样长度的数据, 就是别的命令, 作为别的命令去解析
if data[:9] == '[::usage]':
client.send_usaged = False
client.send_usaged = True
if not push_usage_status:
push_usage_status = True
thread.usage.append(
socketio.start_background_task(target=push_usage))
elif data[:10] == '[::nusage]':
client.send_usaged = False
push_usage_status = False
thread.stop_usage()
else:
# 先推送信息给前端
socketio.emit('server_response', {
'action': 'on_recv',
'data': {
'key': 'Service',
'msg': filedata,
"t": get_timer()
}
},
namespace='/channel')
# 开线程执行命令
thread.threads.append(
threading.Thread(target=exec_command,
args=(filedata, )).start())
log.write('{}\r'.format(filedata), 'Service')
threading.Thread(target=save_file,
args=(filename, filedata)).start()
else:
# 先推送信息给前端
socketio.emit('server_response', {
'action': 'on_recv',
'data': {
'key': 'Service',
'msg': data,
"t": get_timer()
}
},
namespace='/channel')
# 开线程执行命令
thread.threads.append(
threading.Thread(target=exec_command, args=(data, )).start())
log.write('{}\r'.format(data), 'Service')