def generate_encryption():
key = keygen()
#Displaying the Key
message.success("SECURITY KEY GENERATED: " + key)
user_choice = message.prompt("Save the key locally (Y/n)")
# user choice to save the file
# default user choice is YES
if user_choice == "" or user_choice.lower() == "y" or user_choice.lower(
) == "yes":
storage_choice = message.prompt(
"Path to store key to (" + os.path.join(STORAGE_DIR, STORE_KEY_F) +
"_keys.key" + ")")
if storage_choice != "":
storeKey(key, storage_choice)
else:
storeKey(key)
print(key)
elif user_choice.lower() == "n" or user_choice.lower() == "no":
message.success("YOUR KEY WILL NOT BE STORED. KEEP IT SAFE.")
else:
message.error("INVALID INPUT")
generateEncryption()
return key
def modify(fileName):
dictkeys = jsonToDict(fileName)
def modifyKeyValue(keyName):
if keyName in dictkeys:
key = message.prompt(keyName + ' new value')
if (key != ''):
dictkeys[keyName] = key
elif (key == ''):
message.error('Value cannot be empty.')
getKeyValue(keyName)
else:
message.error('No such Key exists!')
while (True):
keyName = message.prompt('Enter Key to be modified (done)')
if (keyName != ''):
modifyKeyValue(keyName)
elif (keyName == ''):
break
try:
dictToJson(dictkeys, fileName)
message.success('Keys modified successfully!')
except:
message.error('Some error occured!')
return False
#test functions
#add(fileName)
#subtract(fileName)
#modify(fileName)
def version():
message.success("CLIK Version 0.0.0")
#test functions
#help()
#version()
def display_json(filename, display_indent=4):
json_val = jsonToDict(filename)
if json_val:
message.success(filename + ' loaded successfully')
printy(json_val, indentation=display_indent)
else:
message.error('JSON couldn\'t be loaded')
debug.error('JSON to Dict Failed')
def main_menu(args):
# print(args)
if args[0].lower() == 'init':
init_function()
elif args[0].lower() == '--help':
help()
elif args[0].lower() == '--version':
version()
else:
fname = args[0]
cmd = args[1]
# encrypt file
if cmd.lower() == 'enc':
if checkEnc(fname) != False:
keyFname = message.prompt('File with key for description (' +
STORAGE_DIR + '/' + STORE_KEY_F +
'): ')
key = getKey() if keyFname == '' else getKey(keyFname)
encryption(key, fname)
message.success(fname + ' is now encrypted')
else:
message.error(fname + ' is already encrypted')
# decrypt file
elif cmd.lower() == 'dec':
if checkEnc(fname) != False:
message.error(fname + ' is already decrypted')
else:
keyFname = message.prompt('File with key for description (' +
STORAGE_DIR + '/' + STORE_KEY_F +
'): ')
key = getKey() if keyFname == '' else getKey(keyFname)
decryption(key, fname)
message.success(fname + ' is now decrypted')
# add new keys
elif cmd.lower() == 'add':
if checkEnc(fname) != False:
add(fname)
else:
message.error(fname + ' is encrypted')
# subtract keys
elif cmd.lower() == 'sub':
if checkEnc(fname) != False:
subtract(fname)
else:
message.error(fname + ' is encrypted')
# subtract keys
elif cmd.lower() == 'mod':
if checkEnc(fname) != False:
modify(fname)
else:
message.error(fname + ' is encrypted')
def dictToJson(inputDict, filename, indents=2):
try:
with open(filename, 'w') as fh2:
fh2.write(json.dumps(inputDict, indent=indents, sort_keys=True))
message.success('Keys stored successfully')
return True
except Exception as e:
message.error('Couldn\'t write to JSON')
debug.error(str(e))
return False
def keygen():
try:
#generating the key and storing them in a file
key = Fernet.generate_key()
message.success("Encryption key generated successfully")
except Exception as e:
message.error('Couldn\'t generate encryption key')
debug.error(str(e))
return False
return key.decode('utf-8')
def decryption(key, filename):
try:
with open(filename,'rb') as f:
data = f.read()
q = Fernet(key)
decrypted_message = q.decrypt(data)
with open(filename,'wb') as f:
f.write(decrypted_message)
message.success(filename + ' successfully decrypted')
except Exception as e:
message.error(filename + ' couldn\'t be decrypted')
debug.error(filename + ' couldn\'t be decrypted')
print(e)
return False
return True
def encryption(key, filename):
try:
with open(filename, 'rb') as f:
data = f.read()
#encrypting the data from the given file name
fernet = Fernet(key)
encrypted=fernet.encrypt(data)
with open(filename,'wb') as f:
f.write(encrypted)
message.success(filename + ' successfully encrypted')
except Exception as e:
message.error(filename + ' couldn\'t be encrypted')
debug.error(filename + ' couldn\'t be encrypted')
print (e)
return False
return True
def storeKey(key, filename = STORE_KEY_F):
storeTo = os.path.join (STORAGE_DIR, filename) + "_keys.key"
if init_default_key_storage():
try:
#creating the key file in which the key'll be stored
file = open(storeTo,'w')
file.write(key)
file.close()
message.success("Key was stored to " + storeTo + " successfully")
except Exception as e:
message.error("Key couldn't be stored to " + storeTo)
debug.error("Key couldn't be stored to " + storeTo)
return False
return True
else:
return False
def init_function():
if init_default_key_storage():
filename = get_filename_from_user()
tokendict = get_keys_from_user()
enc_key = generate_encryption()
if dictToJson(tokendict, filename):
if encryption(enc_key, filename):
message.success("Filename: " + filename)
else:
message.error("Filename: " + filename)
message.success("Keys Added: ")
printy(tokendict, indentation=4)
# init_function()
def getKey(filename = STORE_KEY_F):
getFrom = os.path.join (STORAGE_DIR, filename) + "_keys.key"
if init_default_key_storage():
try:
# retriving key file
file = open (getFrom, 'r')
key = file.read ()
file.close ()
message.success ('Loaded encryption key successfully')
return key
except:
message.error ('Couldn\'t load encryption key')
debug.error ('Couldn\'t load encryption key')
return False
else:
message.error ('Couldn\'t load encryption key')
debug.error ('Couldn\'t load encryption key')
return False
def subtract(fileName):
dictkeys = jsonToDict(fileName)
def removeKeyValue(keyName):
try:
del dictkeys[keyName]
except:
message.error('No such Key exists!')
while (True):
keyName = message.prompt('Enter Key to be removed (done)')
if (keyName != ''):
removeKeyValue(keyName)
elif (keyName == ''):
break
try:
dictToJson(dictkeys, fileName)
message.success('Keys removed successfully!')
except:
message.error('Some error occured!')
return False
def add(fileName):
dictkeys = jsonToDict(fileName)
def getKeyValue(keyName):
key = message.prompt(keyName + ' value')
if (key != ''):
dictkeys[keyName] = key
elif (key == ''):
message.error('Value cannot be empty.')
getKeyValue(keyName)
while (True):
keyName = message.prompt('Key (done)')
if (keyName != ''):
getKeyValue(keyName)
elif (keyName == ''):
break
try:
dictToJson(dictkeys, fileName)
message.success('New keys added successfully!')
except:
message.error('Some error occured!')
return False
def help():
message.success(
"Usage: clik <command> \n \n init\t\tinitializes the script to input key value pairs \n add\t\tinsert key value pair in existing json file \n subtract\tdelete key value pair in existing json file \n modify\t\talter key value in existing json file \n encrypt\tencrypts key value dictionary to json and generate encryption key \n decrypt\tdecrypts json file to dictionary \n help\t\tguide through all the CLIK functions \n version\tshows the CLIK version installed "
)