mirror of https://github.com/jumpserver/jumpserver
kelianchun_miller
parent
366a5d5737
commit
3d4443e1b0
91
connect.py
91
connect.py
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@ -114,68 +114,101 @@ def check_vim_status(command, ssh):
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def deal_command(str_r, ssh):
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"""
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处理命令中特殊字符
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"""
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t = time.time()
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str_r = re.sub('\x07','',str_r) #删除响铃
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patch_char = re.compile('\x08\x1b\[C') #删除方向左右一起的按键
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while patch_char.search(str_r):
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str_r = patch_char.sub('', str_r.rstrip())
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result_command = '' #最后的结果
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pattern_str = '' #模式中间中的字符串
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backspace_num = 0 #光标移动的个数
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backspace_list = []
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reach_backspace_flag = False #没有检测到光标键则为true
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end_flag = False
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reach_backspace_second_flag = False
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pattern_list = []
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pattern_str=''
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while str_r:
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tmp = re.match(r'\w', str_r)
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tmp = re.match(r'\s*\w+\s*', str_r) #获取字符串，其它特殊字符匹配暂时还不知道。。
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if tmp:
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if reach_backspace_flag:
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pattern_str += str(tmp.group(0))
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str_r = str_r[1:]
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if reach_backspace_flag :
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if not reach_backspace_second_flag:
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pattern_str +=str(tmp.group(0))
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else:
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pattern_list.append(pattern_str)
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pattern_str=str(tmp.group(0))
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reach_backspace_second_flag=False
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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else:
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result_command += str(tmp.group(0))
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str_r = str_r[1:]
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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tmp = re.match(r'\x1b\[K[\x08]*', str_r)
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tmp = re.match(r'\x1b\[K[\x08]*', str_r) #遇到删除确认符，确定删除数据
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if tmp:
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for x in backspace_list:
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backspace_num += int(x)
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if backspace_num > 0:
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if backspace_num > len(result_command) :
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result_command += ''.join(pattern_list)
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result_command += pattern_str
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result_command = result_command[0:-backspace_num]
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else:
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result_command = result_command[0:-backspace_num]
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result_command += ''.join(pattern_list)
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result_command += pattern_str
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del_len = len(str(tmp.group(0)))-3
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if del_len > 0:
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result_command = result_command[0:-del_len]
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reach_backspace_flag = False
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reach_backspace_second_flag =False
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backspace_num =0
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del pattern_list[:]
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del backspace_list[:]
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pattern_str=''
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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if re.match(r'\x08', str_r):
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backspace_num += 1
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reach_backspace_flag = True
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str_r = str_r[1:]
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if len(str_r) == 0:
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end_flag = True
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tmp = re.match(r'\x08+', str_r) #将遇到的退格数字存放到队列中
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if tmp:
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if reach_backspace_flag:
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reach_backspace_second_flag = True
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else:
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reach_backspace_flag = True
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str_r = str_r[len(str(tmp.group(0))):]
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if len(str_r) != 0: #如果退格键在最后，则放弃
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backspace_list.append(len(str(tmp.group(0))))
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continue
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if reach_backspace_flag :
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pattern_str += str_r[0]
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if reach_backspace_flag :
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if not reach_backspace_second_flag:
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pattern_str +=str_r[0]
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else:
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pattern_list.append(pattern_str)
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pattern_str=str_r[0]
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reach_backspace_second_flag=False
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else :
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result_command += str_r[0]
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str_r = str_r[1:]
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if backspace_num > 0 and not end_flag:
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result_command = result_command[:-backspace_num]
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result_command += pattern_str
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if pattern_str !='':
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pattern_list.append(pattern_str)
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#退格队列中还有腿哥键，则进行删除操作
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if len(backspace_list) > 0 :
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for backspace in backspace_list:
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if int(backspace) >= len(result_command):
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result_command = pattern_list[0]
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else:
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result_command = result_command[:-int(backspace)]
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result_command += pattern_list[0]
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pattern_list = pattern_list[1:]
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control_char = re.compile(r"""
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\x1b[ #%()*+\-.\/]. |
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\r | #匹配 回车符(CR)
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@ -183,13 +216,13 @@ def deal_command(str_r, ssh):
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(?:\x1b\]|\x9d) .*? (?:\x1b\\|[\a\x9c]) | \x07 | #匹配 操作系统指令(OSC)...终止符或振铃符(ST|BEL)
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(?:\x1b[P^_]|[\x90\x9e\x9f]) .*? (?:\x1b\\|\x9c) | #匹配 设备控制串或私讯或应用程序命令(DCS|PM|APC)...终止符(ST)
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\x1b. #匹配 转义过后的字符
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[\x80-\x9f] | (?:\x1b\]0.*) |\[.*@.*\][\$#] | (.*mysql>.*) #匹配 所有控制字符
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[\x80-\x9f] | (?:\x1b\]0.*) | \[.*@.*\][\$#] | (.*mysql>.*) #匹配 所有控制字符
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""", re.X)
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result_command = control_char.sub('', result_command.strip())
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global VIM_FLAG
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global VIM_COMMAND
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if not VIM_FLAG:
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if result_command.startswith('vim') or result_command.startswith('vi') :
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if result_command.startswith('vi'):
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VIM_FLAG = True
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VIM_COMMAND = result_command
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return result_command.decode('utf8',"ignore")
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@ -197,6 +230,8 @@ def deal_command(str_r, ssh):
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if check_vim_status(VIM_COMMAND, ssh):
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VIM_FLAG = False
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VIM_COMMAND=''
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if result_command.endswith(':wq') or result_command.endswith(':wq!') or result_command.endswith(':q!'):
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return ''
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return result_command.decode('utf8',"ignore")
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else:
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return ''
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