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9081f2cf44
This is the first part of a larger migration to convert Zulip's reactions storage to something based on the codepoint, not the emoji name that the user typed in, so that we don't need to worry about changes in the names we're using breaking the emoji storage.
76 lines
2.9 KiB
Python
76 lines
2.9 KiB
Python
from __future__ import absolute_import
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import os
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import re
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import ujson
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from django.utils.translation import ugettext as _
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from typing import Optional, Text, Tuple
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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 Reaction, Realm, RealmEmoji, UserProfile
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# Until migration to iamcal dataset is complete use the unified
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# reactions file to convert a reaction emoji name to codepoint.
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# Once the migration is complete this will be switched to use
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# name_to_codepoint map.
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
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UNIFIED_REACTIONS_FILE_PATH = os.path.join(ZULIP_PATH, 'zerver', 'management', 'data', 'unified_reactions.json')
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with open(UNIFIED_REACTIONS_FILE_PATH) as fp:
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unified_reactions = ujson.load(fp)
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def emoji_name_to_emoji_code(realm, emoji_name):
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# type: (Realm, Text) -> Tuple[Text, Text]
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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 emoji_name, Reaction.REALM_EMOJI
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if emoji_name == 'zulip':
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return emoji_name, Reaction.ZULIP_EXTRA_EMOJI
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if emoji_name in unified_reactions:
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return unified_reactions[emoji_name], Reaction.UNICODE_EMOJI
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raise JsonableError(_("Emoji '%s' does not exist" % (emoji_name,)))
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def check_valid_emoji(realm, emoji_name):
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# type: (Realm, Text) -> None
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emoji_name_to_emoji_code(realm, 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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