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adding an identity backup and auto load if corruption #1198

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adding an identity backup and auto load if corruption #1198

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35f92c4
adding an identity backup
V0r-T3x Dec 23, 2023
4294232
Update identity.py
V0r-T3x Dec 24, 2023
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18 changes: 15 additions & 3 deletions pwnagotchi/identity.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import hashlib
import os
import logging
import shutil

DefaultPath = "/etc/pwnagotchi/"

Expand All @@ -25,9 +26,14 @@ def __init__(self, path=DefaultPath, view=None):
while True:
# first time, generate new keys
if not os.path.exists(self.priv_path) or not os.path.exists(self.pub_path):
self._view.on_keys_generation()
logging.info("generating %s ..." % self.priv_path)
os.system("pwngrid -generate -keys '%s'" % self.path)
if os.path.exists(f'{self.priv_path}.original') and os.path.exists(f'{self.pub_path}.original') and os.path.exists(f'{self.fingerprint_path}.original'):
logging.warning('loading backup')
shutil.copy(f'{self.priv_path}.original', self.priv_path)
shutil.copy(f'{self.pub_path}.original', self.pub_path)
else:
self._view.on_keys_generation()
logging.info("generating %s ..." % self.priv_path)
os.system("pwngrid -generate -keys '%s'" % self.path)

# load keys: they might be corrupted if the unit has been turned off during the generation, in this case
# the exception will remove the files and go back at the beginning of this loop.
Expand All @@ -52,6 +58,12 @@ def __init__(self, path=DefaultPath, view=None):

# no exception, keys loaded correctly.
self._view.on_starting()
if not os.path.exists(f'{self.priv_path}.original'):
shutil.copy(self.priv_path, f'{self.priv_path}.original')
if not os.path.exists(f'{self.pub_path}.original'):
shutil.copy(self.pub_path, f'{self.pub_path}.original')
if not os.path.exists(f'{self.fingerprint_path}.original'):
shutil.copy(self.fingerprint_path, f'{self.fingerprint_path}.original')
return

except Exception as e:
Expand Down