auth/backends/file.py

57 lines
1.5 KiB
Python

from os import path
def init():
if not path.exists(config['path']): raise Exception(f"Backend directory doesn't exist: {config['path']}")
for n in ['users','invite_tokens','access_tokens']:
p=path.join(config['path'],n+'.csv')
globals()[n]=p
if not path.exists(p): open(p,'w').write('\n')
if path.isdir(p): raise Exception(f"Backend file is a directory: {p}")
try: open(p).close()
except PermissionError: raise Exception(f"Backend file can't be read: {p}")
try: open(p,'w').close()
except PermissionError: raise Exception(f"Backend file can't be written: {p}")
def load_user(username):
for line in linegen(users):
split=line.split(',')
if split[0]==username: return models.User(*split)
def save_user(user):
gen=linegen(users)
for line in gen:
split=line.split(',')
if split[0]==user.username: update(users,{gen.send(True):user.csv}); break
else: update(users,{-1:user.csv})
def delete_user(user): pass
def load_tokens(user): pass
def save_token(token): pass
def delete_token(token): pass
def load_invites(user): pass
def save_invite(token): pass
def delete_invite(token): pass
def linegen(path):
i=0
file=open(path)
line=file.readline()
while line:
i+=1
response=yield line
if response is not None: yield i
line=file.readline()
file.close()
def update(path,lines):
i=0
file=open(path)
write=open(f'{path}.tmp','w')
line=file.readline()
while line:
i+=1
if i in lines: write.write(lines[i]+'\n')
else: write.write(line)
line=file.readline()
if -1 in lines: write.write(lines[-1])
file.close()
write.close()