Initial addition of offline mode

Former-commit-id: 8bd18e3b3ba4d5d737c25416632ba13a6a38c0ef [formerly 2c1241a1bc]
Former-commit-id: fdb675335dd16ed90cf1deb439a665ba2b3621bb

bin/sshyp.py

@@ -249,6 +249,9 @@ def tweak():  # runs configuration wizard
             remove(path.expanduser('~/.config/sshyp/gpg-gen'))
             _sshyp_data += run(f"{gpg} -k", shell=True, stdout=PIPE, text=True).stdout.split('\n')[-4].strip()
 
+        # text editor configuration
+        _sshyp_data += input(f"{_divider}example input: vim\n\npreferred text editor: ")
+
         # lock file generation
         if Path(path.expanduser('~/.config/sshyp/lock.gpg')).is_file():
             remove(path.expanduser('~/.config/sshyp/lock.gpg'))
@@ -257,27 +260,29 @@ def tweak():  # runs configuration wizard
         remove(path.expanduser('~/.config/sshyp/lock'))
 
         # ssh key configuration
+        _offline_mode = False
         _ssh_gen = (input(f"{_divider}make sure the ssh service on the remote server is running and properly "
                           f"configured\n\nsync support requires a unique ssh key - would you like to have this "
-                          f"automatically generated? (Y/n) "))
+                          f"automatically generated? (Y/n/o(ffline)) "))
-        if _ssh_gen.lower() != 'n':
+        if _ssh_gen.lower() != 'n' and _ssh_gen.lower() != 'o' and _ssh_gen.lower() != 'offline':
             if uname()[0] == 'Haiku':
                 Path(f"{path.expanduser('~')}/.ssh").mkdir(0o700, exist_ok=True)
             system('ssh-keygen -t ed25519 -f ~/.ssh/sshyp')
-        else:
+        elif _ssh_gen.lower() == 'n':
             print(f"\n\u001b[4;1mensure that the key file you are using is located at "
                   f"{path.expanduser('~/.ssh/sshyp')}\u001b[0m")
+        elif _ssh_gen.lower() == 'o' or _ssh_gen.lower() == 'offline':
+            _offline_mode = True
+            print('\nsshyp has been set to offline mode - to enable syncing, run "sshyp tweak" again')
 
+        if not _offline_mode:
             # ssh ip+port configuration
-        _ip_port = str(input(f"{_divider}example input: 10.10.10.10:9999\n\nip and ssh port of the remote server: "))
+            _ip_port = str(input(f"{_divider}example input: 10.10.10.10:9999\n\nip and ssh port of sshyp server: "))
             _ip, _sep, _port = _ip_port.partition(':')
 
             # ssh user configuration
             _username_ssh = str(input('\nusername of the remote server: '))
 
-        # text editor configuration
-        _sshyp_data += input(f"{_divider}example input: vim\n\npreferred text editor: ")
-
             # sshync profile generation
             sshync.make_profile(path.expanduser('~/.config/sshyp/sshyp.sshync'),
                                 path.expanduser('~/.local/share/sshyp/'), f"/home/{_username_ssh}/.local/share/sshyp/",
@@ -292,7 +297,6 @@ def tweak():  # runs configuration wizard
             _device_id_suffix = string_gen('c', randint(12, 48))
             _device_id = _device_id_prefix + _device_id_suffix
             open(f"{path.expanduser('~/.config/sshyp/devices/')}{_device_id}", 'w')
-        copy_id_check(_port, _username_ssh, _ip, _device_id)
 
             # quick-unlock configuration
             print(f"{_divider}\nthis allows you to use a shorter version of your gpg key password and\n"
@@ -300,13 +304,21 @@ def tweak():  # runs configuration wizard
             _quick_unlock_enabled = input('enable quick-unlock? (y/N)')
             if _quick_unlock_enabled.lower() == 'y':
                 _sshyp_data += 'quick'
-            _sshyp_data += int(input('this must be half the number of characters in your gpg key password or shorter'
+                _sshyp_data += int(
+                    input('this must be half the number of characters in your gpg key password or shorter'
                           '\n\nquick-unlock key length: '))
-            print(f"\nquick-unlock has been enabled client-side - in order for this device to be able to read entries,"
+                print(f"\nquick-unlock has been enabled client-side - in order for this device to be able to read "
-                  f"\nyou must first login to the sshyp server and run:\n\nsshyp whitelist add {_device_id}")
+                      f"entries,\nyou must first login to the sshyp server and run:\n\nsshyp whitelist add "
+                      f"{_device_id}")
             else:
                 _sshyp_data += 'slow', 0
 
+            # test server connection and attempt to register device id
+            copy_id_check(_port, _username_ssh, _ip, _device_id)
+
+        elif Path(path.expanduser('~/.config/sshyp/sshyp.sshync')).is_file():
+            remove(path.expanduser('~/.config/sshyp/sshyp.sshync'))
+
         open(path.expanduser('~/.config/sshyp/sshyp-data'), 'w').writelines(sshyp_data)
         print(f"{_divider}configuration complete\n")
 
@@ -743,21 +755,24 @@ if __name__ == "__main__":
                 sshyp_data = open(path.expanduser('~/.config/sshyp/sshyp-data')).readlines()
                 device_type = sshyp_data[0].rstrip()
                 if device_type == 'client':
+                    directory = path.expanduser('~/.local/share/sshyp')
                     gpg_id = sshyp_data[1].rstrip()
                     editor = sshyp_data[2].rstrip()
                     quick_unlock_status = sshyp_data[3].rstrip()
                     if quick_unlock_status == 'quick':
                         quick_unlock_length = sshyp_data[4].rstrip()
+                    if Path(path.expanduser('~/.config/sshyp/sshyp.sshync')).is_file():
                         ssh_info = sshync.get_profile(path.expanduser('~/.config/sshyp/sshyp.sshync'))
                         username_ssh = ssh_info[0].rstrip()
                         ip = ssh_info[1].rstrip()
                         port = ssh_info[2].rstrip()
-                    directory = str(ssh_info[3].rstrip())
                         directory_ssh = str(ssh_info[4].rstrip())
                         client_device_id = listdir(path.expanduser('~/.config/sshyp/devices'))[0]
                         ssh_error = int(open(path.expanduser('~/.config/sshyp/ssh-error')).read().rstrip())
                         if ssh_error != 0:
                             ssh_error = copy_id_check(port, username_ssh, ip, client_device_id)
+                    else:
+                        ssh_error = 1
                 elif argument_list[1] != "help" and argument_list[1] != "--help" and argument_list[1] != "-h" and \
                         argument_list[1] != "license" and argument_list[1] != "version" and argument_list[1] != "-v" \
                         and argument_list[1] != "whitelist":