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[auth] htpasswd: module 'bcrypt' is no longer mandatory in case digest method not used in file

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This commit is contained in:
Peter Bieringer 2024-12-31 17:09:21 +01:00
parent 9cac3008b7
commit 5357e692d9
1 changed files with 35 additions and 9 deletions
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44
radicale/auth/htpasswd.py
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@ -70,6 +70,8 @@ class Auth(auth.BaseAuth):
_htpasswd_ok: bool
_htpasswd_not_ok_seconds: int
_htpasswd_not_ok_reminder_seconds: int
_htpasswd_bcrypt_use: int
_has_bcrypt: bool
_lock: threading.Lock
def __init__(self, configuration: config.Configuration) -> None:
@ -79,9 +81,10 @@ class Auth(auth.BaseAuth):
encryption: str = configuration.get("auth", "htpasswd_encryption")
logger.info("auth htpasswd encryption is 'radicale.auth.htpasswd_encryption.%s'", encryption)
self._has_bcrypt = False
self._htpasswd_ok = False
self._htpasswd_not_ok_reminder_seconds = 60 # currently hardcoded
self._htpasswd_read = self._read_htpasswd(True)
(self._htpasswd_ok, self._htpasswd_bcrypt_use) = self._read_htpasswd(True)
self._lock = threading.Lock()
if encryption == "plain":
@ -96,14 +99,24 @@ class Auth(auth.BaseAuth):
try:
import bcrypt
except ImportError as e:
raise RuntimeError(
"The htpasswd encryption method 'bcrypt' or 'autodetect' requires "
"the bcrypt module.") from e
if (encryption == "autodetect") and (self._htpasswd_bcrypt_use == 0):
logger.warning("auth htpasswd encryption is 'radicale.auth.htpasswd_encryption.%s' which can require bycrypt module, but currently no entries found", encryption)
else:
raise RuntimeError(
"The htpasswd encryption method 'bcrypt' or 'autodetect' requires "
"the bcrypt module (entries found: %d)." % self._htpasswd_bcrypt_use) from e
else:
if encryption == "autodetect":
if self._htpasswd_bcrypt_use == 0:
logger.info("auth htpasswd encryption is 'radicale.auth.htpasswd_encryption.%s' and bycrypt module found, but currently not required", encryption)
else:
logger.info("auth htpasswd encryption is 'radicale.auth.htpasswd_encryption.%s' and bycrypt module found (entries found: %d)", encryption, self._htpasswd_bcrypt_use)
if encryption == "bcrypt":
self._verify = functools.partial(self._bcrypt, bcrypt)
else:
self._verify = self._autodetect
self._verify_bcrypt = functools.partial(self._bcrypt, bcrypt)
self._has_bcrypt = True
else:
raise RuntimeError("The htpasswd encryption method %r is not "
"supported." % encryption)
@ -141,7 +154,7 @@ class Auth(auth.BaseAuth):
# assumed plaintext
return self._plain(hash_value, password)
def _read_htpasswd(self, init: bool) -> bool:
def _read_htpasswd(self, init: bool) -> (bool, int):
"""Read htpasswd file
init == True: stop on error
@ -149,6 +162,7 @@ class Auth(auth.BaseAuth):
"""
htpasswd_ok = True
bcrypt_use = 0
if init is True:
info = "Read"
else:
@ -166,12 +180,14 @@ class Auth(auth.BaseAuth):
if line.lstrip() and not line.lstrip().startswith("#"):
try:
login, digest = line.split( ":", maxsplit=1)
skip = False
if login == "" or digest == "":
if init is True:
raise ValueError("htpasswd file contains problematic line not matching <login>:<digest> in line: %d" % line_num)
else:
logger.warning("htpasswd file contains problematic line not matching <login>:<digest> in line: %d (ignored)", line_num)
htpasswd_ok = False
skip = True
else:
if htpasswd.get(login):
duplicates += 1
@ -180,9 +196,19 @@ class Auth(auth.BaseAuth):
else:
logger.warning("htpasswd file contains duplicate login: '%s' (line: %d / ignored)", login, line_num)
htpasswd_ok = False
skip = True
else:
htpasswd[login] = digest
entries += 1
if digest.startswith("$2y$", 0, 4) and len(digest) == 60:
if init is True:
bcrypt_use += 1
else:
if self._has_bcrypt is False:
logger.warning("htpasswd file contains bcrypt digest login: '%s' (line: %d / ignored because module is not loaded)", login, line_num)
skip = True
htpasswd_ok = False
if skip is False:
htpasswd[login] = digest
entries += 1
except ValueError as e:
if init is True:
raise RuntimeError("Invalid htpasswd file %r: %s" % (self._filename, e)) from e
@ -201,7 +227,7 @@ class Auth(auth.BaseAuth):
self._htpasswd_not_ok_time = 0
else:
self._htpasswd_not_ok_time = time.time()
return htpasswd_ok
return (htpasswd_ok, bcrypt_use)
def _login(self, login: str, password: str) -> str:
"""Validate credentials.
@ -219,7 +245,7 @@ class Auth(auth.BaseAuth):
htpasswd_time_ns = os.stat(self._filename).st_mtime_ns
if (htpasswd_size != self._htpasswd_size) or (htpasswd_time_ns != self._htpasswd_time_ns):
with self._lock:
self._htpasswd_ok = self._read_htpasswd(False)
(self._htpasswd_ok, self._htpasswd_bcrypt_use) = self._read_htpasswd(False)
else:
# log reminder of problemantic file every interval
if (self._htpasswd_ok is False) and (self._htpasswd_not_ok_time > 0):