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7950f82f27
A deactivated realm emoji should neither be accepted further as a reaction nor its further occurences in a message be rendered as an emoji. However, all the old occurences should continue to render normally.
62 lines
2.2 KiB
Python
62 lines
2.2 KiB
Python
from __future__ import absolute_import
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import os
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import re
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from django.utils.translation import ugettext as _
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from typing import Optional, Text
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from zerver.lib.bugdown import name_to_codepoint
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from zerver.lib.request import JsonableError
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from zerver.lib.upload import upload_backend
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from zerver.models import Realm, RealmEmoji, UserProfile
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def check_valid_emoji(realm, emoji_name):
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# type: (Realm, Text) -> None
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realm_emojis = realm.get_emoji()
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if emoji_name in realm_emojis and not realm_emojis[emoji_name]['deactivated']:
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return
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if emoji_name in name_to_codepoint:
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return
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if emoji_name == 'zulip':
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return
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raise JsonableError(_("Emoji '%s' does not exist" % (emoji_name,)))
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def check_emoji_admin(user_profile, emoji_name=None):
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# type: (UserProfile, Optional[Text]) -> None
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"""Raises an exception if the user cannot administer the target realm
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emoji name in their organization."""
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# Realm administrators can always administer emoji
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if user_profile.is_realm_admin:
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return
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if user_profile.realm.add_emoji_by_admins_only:
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raise JsonableError(_("Must be a realm administrator"))
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# Otherwise, normal users can add emoji
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if emoji_name is None:
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return
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# Additionally, normal users can remove emoji they themselves added
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emoji = RealmEmoji.objects.filter(name=emoji_name).first()
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current_user_is_author = (emoji is not None and
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emoji.author is not None and
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emoji.author.id == user_profile.id)
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if not user_profile.is_realm_admin and not current_user_is_author:
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raise JsonableError(_("Must be a realm administrator or emoji author"))
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def check_valid_emoji_name(emoji_name):
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# type: (Text) -> None
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if re.match('^[0-9a-z.\-_]+(?<![.\-_])$', emoji_name):
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return
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raise JsonableError(_("Invalid characters in emoji name"))
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def get_emoji_url(emoji_file_name, realm_id):
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# type: (Text, int) -> Text
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return upload_backend.get_emoji_url(emoji_file_name, realm_id)
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def get_emoji_file_name(emoji_file_name, emoji_name):
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# type: (Text, Text) -> Text
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_, image_ext = os.path.splitext(emoji_file_name)
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return ''.join((emoji_name, image_ext))
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