zulip/zerver/views/realm_emoji.py

70 lines
3.0 KiB
Python

from django.conf import settings
from django.core.files.uploadedfile import UploadedFile
from django.http import HttpRequest, HttpResponse
from django.utils.translation import gettext as _
from zerver.actions.realm_emoji import check_add_realm_emoji, do_remove_realm_emoji
from zerver.decorator import require_member_or_admin
from zerver.lib.emoji import check_remove_custom_emoji, check_valid_emoji_name, name_to_codepoint
from zerver.lib.exceptions import JsonableError, ResourceNotFoundError
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.upload import get_file_info
from zerver.models import RealmEmoji, UserProfile
from zerver.models.realm_emoji import get_all_custom_emoji_for_realm
def list_emoji(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
# We don't do any checks here because the list of realm
# emoji is public.
return json_success(
request, data=dict(emoji=get_all_custom_emoji_for_realm(user_profile.realm_id))
)
@require_member_or_admin
@has_request_variables
def upload_emoji(
request: HttpRequest, user_profile: UserProfile, emoji_name: str = REQ(path_only=True)
) -> HttpResponse:
emoji_name = emoji_name.strip().replace(" ", "_")
valid_built_in_emoji = name_to_codepoint.keys()
check_valid_emoji_name(emoji_name)
if not user_profile.can_add_custom_emoji():
raise JsonableError(_("Insufficient permission"))
if RealmEmoji.objects.filter(
realm=user_profile.realm, name=emoji_name, deactivated=False
).exists():
raise JsonableError(_("A custom emoji with this name already exists."))
if len(request.FILES) != 1:
raise JsonableError(_("You must upload exactly one file."))
if emoji_name in valid_built_in_emoji and not user_profile.is_realm_admin:
raise JsonableError(_("Only administrators can override default emoji."))
[emoji_file] = request.FILES.values()
assert isinstance(emoji_file, UploadedFile)
assert emoji_file.size is not None
if emoji_file.size > settings.MAX_EMOJI_FILE_SIZE_MIB * 1024 * 1024:
raise JsonableError(
_("Uploaded file is larger than the allowed limit of {max_size} MiB").format(
max_size=settings.MAX_EMOJI_FILE_SIZE_MIB,
)
)
_filename, content_type = get_file_info(emoji_file)
check_add_realm_emoji(user_profile.realm, emoji_name, user_profile, emoji_file, content_type)
return json_success(request)
def delete_emoji(request: HttpRequest, user_profile: UserProfile, emoji_name: str) -> HttpResponse:
if not RealmEmoji.objects.filter(
realm=user_profile.realm, name=emoji_name, deactivated=False
).exists():
raise ResourceNotFoundError(
_("Emoji '{emoji_name}' does not exist").format(emoji_name=emoji_name)
)
check_remove_custom_emoji(user_profile, emoji_name)
do_remove_realm_emoji(user_profile.realm, emoji_name, acting_user=user_profile)
return json_success(request)