def user_avatar_hash(email):
# Salting the user_key may be overkill, but it prevents us from
# basically mimicking Gravatar's hashing scheme, which could lead
# to some abuse scenarios like folks using us as a free Gravatar
# replacement.
user_key = email.lower() + settings.AVATAR_SALT
return make_safe_digest(user_key, hashlib.sha1)
def user_avatar_hash(email):
# Salting the user_key may be overkill, but it prevents us from
# basically mimicking Gravatar's hashing scheme, which could lead
# to some abuse scenarios like folks using us as a free Gravatar
# replacement.
user_key = email.lower() + settings.AVATAR_SALT
return make_safe_digest(user_key, hashlib.sha1)
def gravatar_hash(email: Text) -> Text:
"""Compute the Gravatar hash for an email address."""
# Non-ASCII characters aren't permitted by the currently active e-mail
# RFCs. However, the IETF has published https://tools.ietf.org/html/rfc4952,
# outlining internationalization of email addresses, and regardless if we
# typo an address or someone manages to give us a non-ASCII address, let's
# not error out on it.
return make_safe_digest(email.lower(), hashlib.md5)
def gravatar_hash(email):
"""Compute the Gravatar hash for an email address."""
# Non-ASCII characters aren't permitted by the currently active e-mail
# RFCs. However, the IETF has published https://tools.ietf.org/html/rfc4952,
# outlining internationalization of email addresses, and regardless if we
# typo an address or someone manages to give us a non-ASCII address, let's
# not error out on it.
return make_safe_digest(email.lower(), hashlib.md5)
def get_stream_cache_key(stream_name, realm):
from zerver.models import Realm
if isinstance(realm, Realm):
realm_id = realm.id
else:
realm_id = realm
return "stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def get_stream_cache_key(stream_name, realm):
from zerver.models import Realm
if isinstance(realm, Realm):
realm_id = realm.id
else:
realm_id = realm
return "stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def get_stream_cache_key(stream_name, realm):
# type: (text_type, Union[Realm, int]) -> text_type
from zerver.models import Realm
if isinstance(realm, Realm):
realm_id = realm.id
else:
realm_id = realm
return u"stream_by_realm_and_name:%s:%s" % (realm_id, make_safe_digest(stream_name.strip().lower()))
def get_stream_cache_key(stream_name, realm):
# type: (text_type, Union[Realm, int]) -> text_type
from zerver.models import Realm
if isinstance(realm, Realm):
realm_id = realm.id
else:
realm_id = realm
return u"stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def user_avatar_hash(uid: Text) -> Text:
# WARNING: If this method is changed, you may need to do a migration
# similar to zerver/migrations/0060_move_avatars_to_be_uid_based.py .
# The salt probably doesn't serve any purpose now. In the past we
# used a hash of the email address, not the user ID, and we salted
# it in order to make the hashing scheme different from Gravatar's.
user_key = uid + settings.AVATAR_SALT
return make_safe_digest(user_key, hashlib.sha1)
def user_avatar_hash(uid: str) -> str:
# WARNING: If this method is changed, you may need to do a migration
# similar to zerver/migrations/0060_move_avatars_to_be_uid_based.py .
# The salt probably doesn't serve any purpose now. In the past we
# used a hash of the email address, not the user ID, and we salted
# it in order to make the hashing scheme different from Gravatar's.
user_key = uid + settings.AVATAR_SALT
return make_safe_digest(user_key, hashlib.sha1)
def user_profile_cache_key(email, realm):
# type: (Text, Realm) -> Text
return u"user_profile:%s:%s" % (make_safe_digest(email.strip()), realm.id,)
def open_graph_description_cache_key(content: bytes, request: HttpRequest) -> str:
return "open_graph_description_path:{}".format(make_safe_digest(request.META["PATH_INFO"]))
def patched_user_avatar_path(user_profile: UserProfile) -> Text:
email = user_profile.email
user_key = email.lower() + settings.AVATAR_SALT
return make_safe_digest(user_key, hashlib.sha1)
def open_graph_description_cache_key(content: Any,
request: HttpRequest) -> str:
return 'open_graph_description_path:{}'.format(
make_safe_digest(request.META['PATH_INFO']))
def open_graph_description_cache_key(content: Any, request: HttpRequest) -> str:
return 'open_graph_description_path:%s' % (make_safe_digest(request.META['PATH_INFO']))
def get_stream_cache_key(stream_name: str, realm_id: int) -> str:
return "stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def bot_profile_cache_key(email: str) -> str:
return "bot_profile:%s" % (make_safe_digest(email.strip()))
def get_stream_cache_key(stream_name, realm_id):
# type: (Text, int) -> Text
return u"stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def user_profile_cache_key_id(email, realm_id):
# type: (Text, int) -> Text
return u"user_profile:%s:%s" % (
make_safe_digest(email.strip()),
realm_id,
)
def bot_profile_cache_key(email):
# type: (Text) -> Text
return u"bot_profile:%s" % (make_safe_digest(email.strip()))
def get_client_cache_key(name):
return 'get_client:%s' % (make_safe_digest(name), )
def get_stream_cache_key(stream_name, realm_id):
# type: (Text, int) -> Text
return u"stream_by_realm_and_name:%s:%s" % (
realm_id, make_safe_digest(stream_name.strip().lower()))
def bot_profile_cache_key(email):
# type: (Text) -> Text
return u"bot_profile:%s" % (make_safe_digest(email.strip()))
def user_profile_cache_key(email, realm):
# type: (Text, Realm) -> Text
return u"user_profile:%s:%s" % (make_safe_digest(email.strip()), realm.id,)
def get_huddle_hash(id_list):
id_list = sorted(set(id_list))
hash_key = ",".join(str(x) for x in id_list)
return make_safe_digest(hash_key)
def get_huddle_hash(id_list):
id_list = sorted(set(id_list))
hash_key = ",".join(str(x) for x in id_list)
return make_safe_digest(hash_key)
def user_profile_by_email_cache_key(email):
# type: (text_type) -> text_type
# See the comment in zerver/lib/avatar_hash.py:gravatar_hash for why we
# are proactively encoding email addresses even though they will
# with high likelihood be ASCII-only for the foreseeable future.
return u'user_profile_by_email:%s' % (make_safe_digest(email.strip()), )
def preview_url_cache_key(url: str) -> str:
return "preview_url:%s" % (make_safe_digest(url))
def user_profile_by_email_cache_key(email):
# type: (Text) -> Text
# See the comment in zerver/lib/avatar_hash.py:gravatar_hash for why we
# are proactively encoding email addresses even though they will
# with high likelihood be ASCII-only for the foreseeable future.
return u'user_profile_by_email:%s' % (make_safe_digest(email.strip()),)
def user_profile_cache_key_id(email: str, realm_id: int) -> str:
return u"user_profile:%s:%s" % (make_safe_digest(email.strip()), realm_id,)
def get_client_cache_key(name):
return 'get_client:%s' % (make_safe_digest(name),)
def user_profile_cache_key_id(email, realm_id):
# type: (Text, int) -> Text
return u"user_profile:%s:%s" % (make_safe_digest(email.strip()), realm_id,)