mirror of https://github.com/jumpserver/jumpserver
parent
1d70a23859
commit
8880b5ff4f
64
connect.py
64
connect.py
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@ -73,7 +73,16 @@ class Tty(object):
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self.ps1_pattern = re.compile('\[.*@.*\][\$#]')
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self.ps1_pattern = re.compile('\[.*@.*\][\$#]')
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self.vim_data = ''
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self.vim_data = ''
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@staticmethod
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@staticmethod
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def is_output(strings):
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newline_char = ['\n', '\r', '\r\n']
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for char in newline_char:
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if char in strings:
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return True
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return False
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def remove_obstruct_char(cmd_str):
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def remove_obstruct_char(cmd_str):
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'''删除一些干扰的特殊符号'''
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'''删除一些干扰的特殊符号'''
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control_char = re.compile(r'\x07 | \x1b\[1P | \r ', re.X)
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control_char = re.compile(r'\x07 | \x1b\[1P | \r ', re.X)
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@ -84,13 +93,28 @@ class Tty(object):
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return cmd_str
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return cmd_str
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@staticmethod
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def remove_control_char(result_command):
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def is_output(strings):
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"""
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newline_char = ['\n', '\r', '\r\n']
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处理日志特殊字符
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for char in newline_char:
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"""
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if char in strings:
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control_char = re.compile(r"""
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return True
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\x1b[ #%()*+\-.\/]. |
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return False
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\r | #匹配 回车符(CR)
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(?:\x1b\[|\x9b) [ -?]* [@-~] | #匹配 控制顺序描述符(CSI)... Cmd
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(?:\x1b\]|\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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""", 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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if not VIM_FLAG:
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if result_command.startswith('vi') or result_command.startswith('fg'):
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VIM_FLAG = True
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return result_command.decode('utf8',"ignore")
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else:
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return ''
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def deal_command(self, str_r):
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def deal_command(self, str_r):
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"""
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"""
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@ -113,7 +137,7 @@ class Tty(object):
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result_command += str(tmp.group(0))
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result_command += str(tmp.group(0))
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continue
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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) #处理删除确认符号,删除退格确认之前的数据,当结果队列不够删除时,则将临时队列中的加上一起删除
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if tmp:
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if tmp:
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if backspace_num > 0:
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if backspace_num > 0:
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if backspace_num > len(result_command):
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if backspace_num > len(result_command):
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@ -131,7 +155,7 @@ class Tty(object):
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str_r = str_r[len(str(tmp.group(0))):]
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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continue
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tmp = re.match(r'\x08+', str_r)
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tmp = re.match(r'\x08+', str_r) #处理退格符号,第一次碰到则记下,第二次碰到则进行删除操作,如果退格符在最后则不计
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if tmp:
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if tmp:
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str_r = str_r[len(str(tmp.group(0))):]
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str_r = str_r[len(str(tmp.group(0))):]
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if len(str_r) != 0:
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if len(str_r) != 0:
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@ -159,31 +183,17 @@ class Tty(object):
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backspace_num = 0
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backspace_num = 0
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continue
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continue
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if reach_backspace_flag:
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if reach_backspace_flag: #处理其他没有匹配的字符
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pattern_str += str_r[0]
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pattern_str += str_r[0]
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else:
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else:
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result_command += str_r[0]
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result_command += str_r[0]
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str_r = str_r[1:]
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str_r = str_r[1:]
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if backspace_num > 0:
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if backspace_num > 0: #处理最后的退格符号
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result_command = result_command[0:-backspace_num] + pattern_str
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result_command = result_command[0:-backspace_num] + pattern_str
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control_char = re.compile(r"""
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result_command = remove_control_char(result_command)
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\x1b[ #%()*+\-.\/]. |
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return result_command
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\r | #匹配 回车符(CR)
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(?:\x1b\[|\x9b) [ -?]* [@-~] | #匹配 控制顺序描述符(CSI)... Cmd
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(?:\x1b\]|\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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""", re.X)
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result_command = control_char.sub('', result_command.strip())
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if not self.vim_flag:
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if result_command.startswith('vi') or result_command.startswith('fg'):
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self.vim_flag = True
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return result_command.decode('utf8', "ignore")
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else:
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return ''
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def get_log(self):
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def get_log(self):
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"""
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"""
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