def main():
groupname = input("Enter the Cloud group name:\n")
group_path = os.path.join("Groups",groupname)
if not os.path.isdir(group_path):
os.mkdir(group_path)
user_filename = os.path.join(group_path,'UserList')
try:
infile = open(user_filename,'rb')
user_list = pickle.load(infile)
infile.close()
except IOError:
user_list = set()
users_file = open(user_filename,'wb')
pickle.dump(user_list,users_file)
users_file.close()
sym_key_filename = os.path.join(group_path,'Symmetric_Key.txt')
try:
with open(sym_key_filename, 'rb') as key_file:
sym_key = key_file.read()
except:
sym_key = Encryptor.generate_key()
with open(sym_key_filename, 'wb') as key_file:
key_file.write(sym_key)
gauth = GoogleAuth()
gauth.LoadCredentialsFile("credentials.txt")
if gauth.credentials is None or gauth.access_token_expired:
gauth.LocalWebserverAuth()
else:
gauth.Authorize()
gauth.SaveCredentialsFile("credentials.txt")
drive = GoogleDrive(gauth)
root_folder_id = #insert drive folder ID here
root_folder = drive.ListFile({'q': "'" + root_folder_id + "' in parents and trashed=false"}).GetList()
if DriveManager.find_folder(root_folder,groupname) is None:
folder_id = DriveManager.create_folder(root_folder_id, groupname, drive)
else:
folder_id = DriveManager.find_folder(root_folder,groupname)
folder = drive.ListFile({'q': "'" + folder_id + "' in parents and trashed=false"}).GetList()
try:
file_list = open("Drive Folders",'rb')
drive_folders = pickle.load(file_list)
file_list.close()
except IOError:
print("Could not read drive files:")
drive_folders = dict()
drive_folders[groupname] = folder_id
file_list = open("Drive Folders",'wb')
pickle.dump(drive_folders,file_list)
file_list.close()
address = ('localhost', 6000)
listener = Listener(address, authkey=b'secret password')
lock = threading.Lock()
client_handler = CloudGroup(user_list, lock, listener, sym_key)
client_handler.daemon = True
client_handler.start()
running = True
print('Manage the group using the following commands:\n1. List all users: list\n2. To add a user: add <user>\n3. To remove a user: remove <user>\n4. Exit the program: quit\n')
while running:
command = input('Enter a command\n')
argv = command.split(' ')
lock.acquire()
if argv[0] == 'list':
print('Users in the group:')
for x in user_list:
print(x)
print()
elif argv[0] == 'add':
user_list.add(argv[1])
print(argv[1],'has been successfully added to the group\n')
elif argv[0] == 'remove':
user_list.remove(argv[1])
reset(sym_key, folder, client_handler, sym_key_filename)
print(argv[1], 'has been successfully removed from the group\n')
elif argv[0] == 'quit':
users = open(user_filename,'wb')
pickle.dump(user_list,users)
users.close()
client_handler.close()
running = False
print('Goodbye\n')
else:
error_msg()
lock.release()
def main():
groupname = raw_input("Enter group name:\n")
group_path = os.path.join("Groups", groupname)
if not os.path.isdir(group_path):
os.mkdir(group_path)
user_filename = os.path.join(group_path, 'UserList')
# load users in CloudGroup
try:
infile = open(user_filename, 'rb')
user_list = pickle.load(infile)
infile.close()
except IOError:
print "Could not read file:", user_filename
user_list = set()
users_file = open(user_filename, 'wb')
pickle.dump(user_list, users_file)
users_file.close()
# load Symmetric key
sym_key_filename = os.path.join(group_path, 'Symmetric_Key.txt')
try:
with open(sym_key_filename, 'rb') as key_file:
sym_key = key_file.read()
except:
print "Could not find symmetric key file:", sym_key_filename
sym_key = Encryptor.generate_key()
with open(sym_key_filename, 'wb') as key_file:
key_file.write(sym_key)
'''
- sets up local Google webserver to automatically receive
authentication code from user and authorizes by itself.
'''
gauth = GoogleAuth()
gauth.LoadCredentialsFile("credentials.txt")
if gauth.credentials is None or gauth.access_token_expired:
# Creates local webserver and auto handles authentication.
gauth.LocalWebserverAuth()
else:
gauth.Authorize()
gauth.SaveCredentialsFile("credentials.txt")
# Create GoogleDrive instance with authenticated GoogleAuth instance.
drive = GoogleDrive(gauth)
root_folder_id = "//drive folder id"
root_folder = drive.ListFile({
'q':
"'" + root_folder_id + "' in parents and trashed=false"
}).GetList()
if DriveManager.find_folder(root_folder, groupname) is None:
folder_id = DriveManager.create_folder(root_folder_id, groupname,
drive)
else:
folder_id = DriveManager.find_folder(root_folder, groupname)
folder = drive.ListFile({
'q':
"'" + folder_id + "' in parents and trashed=false"
}).GetList()
# store available groups in local files for user reference
try:
file_list = open("Drive Folders", 'rb')
drive_folders = pickle.load(file_list)
file_list.close()
except IOError:
print "Could not read drive files:"
drive_folders = dict()
drive_folders[groupname] = folder_id
file_list = open("Drive Folders", 'wb')
pickle.dump(drive_folders, file_list)
file_list.close()
'''
- Create listener to receive requests from users
- attempting to establish connection with users to send symmetric
key for encryption of files
'''
address = ('localhost', 6000) # family is deduced to be 'AF_INET'
listener = Listener(address, authkey=b'secret password')
lock = threading.Lock()
client_handler = CloudGroup(user_list, lock, listener, sym_key)
client_handler.daemon = True
client_handler.start()
running = True
while running:
command = raw_input('How may I help you?\n')
argv = command.split(' ')
# use lock to prevent anyone contacting CloudGroup at during management
lock.acquire()
# add user to list
if argv[0] == 'add':
user_list.add(argv[1])
# remove user from list
elif argv[0] == 'remove':
user_list.remove(argv[1])
reset(sym_key, folder, client_handler, sym_key_filename)
# shut down CloudGroup
elif argv[0] == 'quit':
#save user files
users = open(user_filename, 'wb')
pickle.dump(user_list, users)
users.close()
client_handler.close()
running = False
print 'Goodbye'
# print valid users
elif argv[0] == 'list':
print 'Users:'
for x in user_list:
print(x)
# print usage
else:
usage()
lock.release()