mirror of https://github.com/zulip/zulip.git
93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
from typing import IO, Dict, Optional
|
|
|
|
from django.core.exceptions import ValidationError
|
|
from django.db import transaction
|
|
from django.db.utils import IntegrityError
|
|
from django.utils.timezone import now as timezone_now
|
|
from django.utils.translation import gettext as _
|
|
|
|
from zerver.lib.emoji import get_emoji_file_name
|
|
from zerver.lib.exceptions import JsonableError
|
|
from zerver.lib.pysa import mark_sanitized
|
|
from zerver.lib.upload import upload_emoji_image
|
|
from zerver.models import (
|
|
EmojiInfo,
|
|
Realm,
|
|
RealmAuditLog,
|
|
RealmEmoji,
|
|
UserProfile,
|
|
active_user_ids,
|
|
get_all_custom_emoji_for_realm,
|
|
)
|
|
from zerver.tornado.django_api import send_event_on_commit
|
|
|
|
|
|
def notify_realm_emoji(realm: Realm, realm_emoji: Dict[str, EmojiInfo]) -> None:
|
|
event = dict(type="realm_emoji", op="update", realm_emoji=realm_emoji)
|
|
send_event_on_commit(realm, event, active_user_ids(realm.id))
|
|
|
|
|
|
def check_add_realm_emoji(
|
|
realm: Realm, name: str, author: UserProfile, image_file: IO[bytes]
|
|
) -> RealmEmoji:
|
|
try:
|
|
realm_emoji = RealmEmoji(realm=realm, name=name, author=author)
|
|
realm_emoji.full_clean()
|
|
realm_emoji.save()
|
|
except (IntegrityError, ValidationError):
|
|
# Match the string in upload_emoji.
|
|
raise JsonableError(_("A custom emoji with this name already exists."))
|
|
|
|
emoji_file_name = get_emoji_file_name(image_file.name, realm_emoji.id)
|
|
|
|
# The only user-controlled portion of 'emoji_file_name' is an extension,
|
|
# which cannot contain '..' or '/' or '\', making it difficult to exploit
|
|
emoji_file_name = mark_sanitized(emoji_file_name)
|
|
|
|
emoji_uploaded_successfully = False
|
|
is_animated = False
|
|
try:
|
|
is_animated = upload_emoji_image(image_file, emoji_file_name, author)
|
|
emoji_uploaded_successfully = True
|
|
finally:
|
|
if not emoji_uploaded_successfully:
|
|
realm_emoji.delete()
|
|
realm_emoji.file_name = emoji_file_name
|
|
realm_emoji.is_animated = is_animated
|
|
realm_emoji.save(update_fields=["file_name", "is_animated"])
|
|
|
|
realm_emoji_dict = get_all_custom_emoji_for_realm(realm.id)
|
|
RealmAuditLog.objects.create(
|
|
realm=realm,
|
|
acting_user=author,
|
|
event_type=RealmAuditLog.REALM_EMOJI_ADDED,
|
|
event_time=timezone_now(),
|
|
extra_data={
|
|
"realm_emoji": dict(sorted(realm_emoji_dict.items())),
|
|
"added_emoji": realm_emoji_dict[str(realm_emoji.id)],
|
|
},
|
|
)
|
|
notify_realm_emoji(realm_emoji.realm, realm_emoji_dict)
|
|
return realm_emoji
|
|
|
|
|
|
@transaction.atomic(durable=True)
|
|
def do_remove_realm_emoji(realm: Realm, name: str, *, acting_user: Optional[UserProfile]) -> None:
|
|
emoji = RealmEmoji.objects.get(realm=realm, name=name, deactivated=False)
|
|
emoji.deactivated = True
|
|
emoji.save(update_fields=["deactivated"])
|
|
|
|
realm_emoji_dict = get_all_custom_emoji_for_realm(realm.id)
|
|
RealmAuditLog.objects.create(
|
|
realm=realm,
|
|
acting_user=acting_user,
|
|
event_type=RealmAuditLog.REALM_EMOJI_REMOVED,
|
|
event_time=timezone_now(),
|
|
extra_data={
|
|
"realm_emoji": dict(sorted(realm_emoji_dict.items())),
|
|
"deactivated_emoji": realm_emoji_dict[str(emoji.id)],
|
|
},
|
|
)
|
|
|
|
notify_realm_emoji(realm, realm_emoji_dict)
|