def next(self):
""" Returns the next completion suggestion """
if len(self.completion_list) > 0:
program, args = parser(self.completion_buffer)
if 'target' in args and args['target'] != '.':
args['target'] = escape(self.completionPath + self.completion_list[self.completion_index])
else:
args['path'][-1] = escape(self.completion_list[self.completion_index])
buffer = assemble(program, args)
else:
buffer = self.completion_buffer
# Increment completion index
self.completion_index += 1
if self.completion_index >= len(self.completion_list):
self.completion_index = 0
return buffer
def next(self):
""" Returns the next completion suggestion """
if len(self.completion_list) > 0:
program, args = parser(self.completion_buffer)
if 'target' in args and args['target'] != '.':
args['target'] = escape(
self.completionPath +
self.completion_list[self.completion_index])
else:
args['path'][-1] = escape(
self.completion_list[self.completion_index])
buffer = assemble(program, args)
else:
buffer = self.completion_buffer
# Increment completion index
self.completion_index += 1
if self.completion_index >= len(self.completion_list):
self.completion_index = 0
return buffer
def complete(self, buffer):
""" Actual function called by the terminal.
Creates a list of possible completions and returns the first element
"""
# Save buffer for later completions
self.completion_buffer = buffer
# In case the parser fails, we don't want any error messages or crashes
# The error message will be displayed, if he presses enter
try:
program, args = parser(buffer)
except ArgumentParseException:
return buffer
if 'path' in args:
self.completion_index = 0
if program == 'push':
# Local completion
if 'target' in args and args['target'] != '.':
self.remote_completion_list(args['target'])
# Remote completion
else:
self.local_completion_list(unescape(args['path'])[-1])
else:
# Local completion
if 'target' in args and args['target'] != '.':
self.local_completion_list(args['target'])
# Remote completion
else:
self.remote_completion_list(unescape(args['path'])[-1])
return self.next()
else:
self.completion_list = []
return self.completion_buffer
def complete(self, buffer):
""" Actual function called by the terminal.
Creates a list of possible completions and returns the first element
"""
# Save buffer for later completions
self.completion_buffer = buffer
# In case the parser fails, we don't want any error messages or crashes
# The error message will be displayed, if he presses enter
try:
program, args = parser(buffer)
except ArgumentParseException:
return buffer
if "path" in args:
self.completion_index = 0
if program == "push":
# Local completion
if "target" in args and args["target"] != ".":
self.remote_completion_list(args["target"])
# Remote completion
else:
self.local_completion_list(unescape(args["path"])[-1])
else:
# Local completion
if "target" in args and args["target"] != ".":
self.local_completion_list(args["target"])
# Remote completion
else:
self.remote_completion_list(unescape(args["path"])[-1])
return self.next()
else:
self.completion_list = []
return self.completion_buffer
def complete(self, buffer):
""" Actual function called by the terminal. Creates a list of possible completions and returns the first element """
# Save buffer for later completions
self.completion_buffer = buffer
program, args = parser(buffer)
if 'path' in args:
self.completion_index = 0
# Local completion
if 'target' in args and args['target'] != '.':
self.local_completion_list(args['target'])
# Remote completion
else:
self.remote_completion_list(unescape(args['path'])[-1])
return self.next()
else:
self.completion_list = []
return self.completion_buffer
def complete(self, buffer):
""" Actual function called by the terminal. Creates a list of possible completions and returns the first element """
# Save buffer for later completions
self.completion_buffer = buffer
program, args = parser(buffer)
if 'path' in args:
self.completion_index = 0
# Local completion
if 'target' in args and args['target'] != '.':
self.local_completion_list(args['target'])
# Remote completion
else:
self.remote_completion_list(unescape(args['path'])[-1])
return self.next()
else:
self.completion_list = []
return self.completion_buffer
def main():
arrrsync_args = vars(server_parser.parse_args(sys.argv))
command = os.environ.get('SSH_ORIGINAL_COMMAND')
program, args = parser(command)
if program is None:
print('Invalid Command. Supported Programs: \nls \ncd \nisdir \nrsync')
if program == 'ls':
ls_args = ['ls']
# Args for ls
if args['a']:
ls_args.append('-a')
if args['l']:
ls_args.append('-l')
if args['h']:
ls_args.append('-h')
if args['path']:
for item in args['path']:
targetDir = get_target_dir(arrrsync_args['path'],
unescape(item))
ls_args.append(targetDir)
# Creating new subprocess for ls, read the output and print it
process = subprocess.Popen(ls_args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
print_response(stdout, stderr)
elif program == 'cd':
# Args for cd
if args['path']:
target = args['path'][0]
targetDir = get_target_dir(arrrsync_args['path'], unescape(target))
if os.path.isdir(targetDir):
print(targetDir)
else:
print("'{}' is not a directory".format(args['path']),
file=sys.stderr)
elif program == 'isdir':
# Args for cd
if args['path']:
target = args['path'][0]
targetDir = get_target_dir(arrrsync_args['path'], unescape(target))
if os.path.isdir(targetDir):
print('True')
else:
print('False')
print("False")
elif program == 'rsync':
# Compile rsync arguments
rsync_args = ['rsync']
if args['server']:
rsync_args.append('--server')
if args['recursive']:
rsync_args.append('--recursive')
if args['partial']:
rsync_args.append('--partial')
if args['perms']:
rsync_args.append('--perms')
if args['times']:
rsync_args.append('--times')
if args['one_file_system']:
rsync_args.append('--one-file-system')
if args['cvs_exclude']:
rsync_args.append('--cvs-exclude')
if args['ignore_times']:
rsync_args.append('--ignore-times')
# Don't allow users to copy symlinked directories.
rsync_args.append('--links')
rsync_args.append('--info=progress2')
# Sender flag is set. This means the server will send some data
if args['sender']:
if arrrsync_args['r'] is not True:
print("Reading is not allowed for your key. Aborting")
sys.exit(0)
rsync_args.append('--sender')
for path in args['path']:
if not path == '.':
path = get_target_dir(arrrsync_args['path'],
unescape(path))
rsync_args.append(path)
# Sender flag isn't set. This means the server will receive some data
else:
if arrrsync_args['w'] is not True:
print("Writing is not allowed for your key. Aborting")
sys.exit(0)
path = args['path'][-1]
if not path == '.':
path = get_target_dir(arrrsync_args['path'], unescape(path))
rsync_args.append(path)
rsync_process = subprocess.Popen(rsync_args, shell=False)
rsync_process.communicate()
sys.exit(0)
def main():
arrrsync_args = vars(server_parser.parse_args(sys.argv))
command = os.environ.get('SSH_ORIGINAL_COMMAND')
program, args = parser(command)
if program is None:
print('Invalid Command. Supported Programs: \nls \ncd \nisdir \nrsync')
if program == 'ls':
ls_args = ['ls']
# Args for ls
if args['a']:
ls_args.append('-a')
if args['l']:
ls_args.append('-l')
if args['h']:
ls_args.append('-h')
if args['path']:
for item in args['path']:
targetDir = get_target_dir(arrrsync_args['path'], unescape(item))
ls_args.append(targetDir)
# Creating new subprocess for ls, read the output and print it
process = subprocess.Popen(ls_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
print_response(stdout, stderr)
elif program == 'cd':
# Args for cd
if args['path']:
target = args['path'][0]
targetDir = get_target_dir(arrrsync_args['path'], unescape(target))
if os.path.isdir(targetDir):
print(targetDir)
else:
print("'{}' is not a directory".format(args['path']), file=sys.stderr)
elif program == 'isdir':
# Args for cd
if args['path']:
target = args['path'][0]
targetDir = get_target_dir(arrrsync_args['path'], unescape(target))
if os.path.isdir(targetDir):
print('True')
else:
print('False')
print("False")
elif program == 'rsync':
# Compile rsync arguments
rsync_args = ['rsync']
if args['server']:
rsync_args.append('--server')
if args['recursive']:
rsync_args.append('--recursive')
if args['partial']:
rsync_args.append('--partial')
if args['perms']:
rsync_args.append('--perms')
if args['times']:
rsync_args.append('--times')
if args['one_file_system']:
rsync_args.append('--one-file-system')
if args['cvs_exclude']:
rsync_args.append('--cvs-exclude')
if args['ignore_times']:
rsync_args.append('--ignore-times')
# Don't allow users to copy symlinked directories.
rsync_args.append('--links')
rsync_args.append('--info=progress2')
# Sender flag is set. This means the server will send some data
if args['sender']:
if arrrsync_args['r'] is not True:
print("Reading is not for your key allowed. Aborting")
sys.exit(0)
rsync_args.append('--sender')
for path in args['path']:
if not path == '.':
path = get_target_dir(arrrsync_args['path'], unescape(path))
rsync_args.append(path)
# Sender flag isn't set. This means the server will receive some data
else:
if arrrsync_args['w'] is not True:
print("Writing is not for your key allowed. Aborting")
sys.exit(0)
path = args['path'][-1]
if not path == '.':
path = get_target_dir(arrrsync_args['path'], unescape(path))
rsync_args.append(path)
rsync_process = subprocess.Popen(rsync_args, shell=False)
rsync_process.communicate()
sys.exit(0)
def interpret(self, command):
command = command.lstrip()
# Parsing input, getting actual command name and arguments
try:
program, args = parser(command)
except ArgumentParserError as error:
self.terminal.add_lines(format_parse_error(error, command))
return True
if program == 'ls':
compiled_paths = map(
lambda path: os.path.join(self.current_path, path),
args['path'])
args['path'] = list(compiled_paths)
# Send command to server
stdin, stdout, stderr = self.client.exec_command(ls_assemble(args))
# Print response
for line in stdout.readlines():
self.terminal.add_line(line.rstrip('\n'))
elif program == 'cd':
# Compute path
targetPath = os.path.join(self.current_path, args['path'][0])
args['path'] = [targetPath]
# Send command to server
stdin, stdout, stderr = self.client.exec_command(cd_assemble(args))
errors = []
for line in stderr.readlines():
errors.append(line.rstrip('\n'))
if not len(errors) > 1:
# Save current position
self.current_path = escape(stdout.readline().rstrip('\n'))
else:
# Print response
self.terminal.add_lines(errors)
elif program == 'push':
rsync_args = ['rsync']
rsync_args.append('--recursive')
rsync_args.append('--partial')
rsync_args.append('--perms')
rsync_args.append('--times')
rsync_args.append('--links')
rsync_args.append('--info=progress2')
rsync_args += args['files']
target_path = '{}:{}'.format(
self.rsync[0], os.path.join(self.current_path, args['target']))
rsync_args.append(target_path)
rsync_process = subprocess.Popen(rsync_args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
# Add a line in the terminal self.lines. We need this for update_last_lines to work
self.terminal.add_line('')
# Continously pass output to terminal, abort rsync process if ctrl-c occurs
try:
no_error = True
while rsync_process.poll() is None and no_error:
line = rsync_process.stdout.readline()
line = line.rstrip()
line = line.decode('utf-8')
if line != '':
self.terminal.update_last_lines([line])
no_error = rsync_error_check(line)
stdout, stderr = rsync_process.communicate()
except KeyboardInterrupt:
self.terminal.add_line(
'Terminating rsync process, please wait')
rsync_process.terminate()
rsync_process.communicate()
self.terminal.update_last_lines(['Rsync process terminated'])
elif program == 'get':
rsync_args = ['rsync']
# rsync_args.append("-e 'ssh -p {}'".format(self.rsync[1]))
rsync_args.append('--recursive')
rsync_args.append('--partial')
rsync_args.append('--perms')
rsync_args.append('--times')
rsync_args.append('--links')
rsync_args.append('--info=progress2')
compiled_paths = map(
lambda path: '{}:{}'.format(
self.rsync[0], os.path.join(self.current_path, path)),
args['path'])
rsync_args += list(compiled_paths)
rsync_args.append(os.path.expanduser(args['target']))
rsync_process = subprocess.Popen(rsync_args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
# Add a line in the terminal self.lines. We need this for update_last_lines to work
self.terminal.add_line('')
# Continously pass output to terminal, abort rsync process if ctrl-c occurs
try:
no_error = True
while rsync_process.poll() is None and no_error:
line = rsync_process.stdout.readline()
line = line.rstrip()
line = line.decode('utf-8')
if line != '':
self.terminal.update_last_lines([line])
no_error = rsync_error_check(line)
stdout, stderr = rsync_process.communicate()
except KeyboardInterrupt:
self.terminal.add_line(
'Terminating rsync process, please wait')
rsync_process.terminate()
rsync_process.communicate()
self.terminal.update_last_lines(['Rsync process terminated'])
elif program == 'exit':
return False
else:
self.terminal.add_line('Invalid Command. Valid Commands are:')
self.terminal.add_line(
'ls [path], cd [path], get [-r] [path], exit')
return True
def interpret(self, command):
command = command.lstrip()
# Parsing input, getting actual command name and arguments
try:
program, args = parser(command)
except ArgumentParserError as error:
self.terminal.add_lines(format_parse_error(error, command))
return True
if program == 'ls':
compiled_paths = map(lambda path: os.path.join(self.current_path, path), args['path'])
args['path'] = list(compiled_paths)
# Send command to server
stdin, stdout, stderr = self.client.exec_command(ls_assemble(args))
# Print response
for line in stdout.readlines():
self.terminal.add_line(line.rstrip('\n'))
elif program == 'cd':
# Compute path
targetPath = os.path.join(self.current_path, args['path'][0])
args['path'] = [targetPath]
# Send command to server
stdin, stdout, stderr = self.client.exec_command(cd_assemble(args))
errors = []
for line in stderr.readlines():
errors.append(line.rstrip('\n'))
if not len(errors) > 1:
# Save current position
self.current_path = escape(stdout.readline().rstrip('\n'))
else:
# Print response
self.terminal.add_lines(errors)
elif program == 'push':
rsync_args = ['rsync']
rsync_args.append('--recursive')
rsync_args.append('--partial')
rsync_args.append('--perms')
rsync_args.append('--times')
rsync_args.append('--links')
rsync_args.append('--info=progress2')
rsync_args += args['files']
target_path = '{}:{}'.format(self.rsync[0], os.path.join(self.current_path, args['target']))
rsync_args.append(target_path)
rsync_process = subprocess.Popen(rsync_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
# Add a line in the terminal self.lines. We need this for update_last_lines to work
self.terminal.add_line('')
# Continously pass output to terminal, abort rsync process if ctrl-c occurs
try:
no_error = True
while rsync_process.poll() is None and no_error:
line = rsync_process.stdout.readline()
line = line.rstrip()
line = line.decode('utf-8')
if line != '':
self.terminal.update_last_lines([line])
no_error = rsync_error_check(line)
stdout, stderr = rsync_process.communicate()
except KeyboardInterrupt:
self.terminal.add_line('Terminating rsync process, please wait')
rsync_process.terminate()
rsync_process.communicate()
self.terminal.update_last_lines(['Rsync process terminated'])
elif program == 'get':
rsync_args = ['rsync']
# rsync_args.append("-e 'ssh -p {}'".format(self.rsync[1]))
rsync_args.append('--recursive')
rsync_args.append('--partial')
rsync_args.append('--perms')
rsync_args.append('--times')
rsync_args.append('--links')
rsync_args.append('--info=progress2')
compiled_paths = map(lambda path: '{}:{}'.format(self.rsync[0], os.path.join(self.current_path, path)), args['path'])
rsync_args += list(compiled_paths)
rsync_args.append(os.path.expanduser(args['target']))
rsync_process = subprocess.Popen(rsync_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
# Add a line in the terminal self.lines. We need this for update_last_lines to work
self.terminal.add_line('')
# Continously pass output to terminal, abort rsync process if ctrl-c occurs
try:
no_error = True
while rsync_process.poll() is None and no_error:
line = rsync_process.stdout.readline()
line = line.rstrip()
line = line.decode('utf-8')
if line != '':
self.terminal.update_last_lines([line])
no_error = rsync_error_check(line)
stdout, stderr = rsync_process.communicate()
except KeyboardInterrupt:
self.terminal.add_line('Terminating rsync process, please wait')
rsync_process.terminate()
rsync_process.communicate()
self.terminal.update_last_lines(['Rsync process terminated'])
elif program == 'exit':
return False
else:
self.terminal.add_line('Invalid Command. Valid Commands are:')
self.terminal.add_line('ls [path], cd [path], get [-r] [path], exit')
return True