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88 lines
3.5 KiB
Python
88 lines
3.5 KiB
Python
from typing import IO
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from django.core.exceptions import ValidationError
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from django.db import transaction
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from django.db.utils import IntegrityError
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from django.utils.timezone import now as timezone_now
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from django.utils.translation import gettext as _
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from zerver.lib.emoji import get_emoji_file_name
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from zerver.lib.exceptions import JsonableError
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from zerver.lib.mime_types import INLINE_MIME_TYPES
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from zerver.lib.thumbnail import THUMBNAIL_ACCEPT_IMAGE_TYPES, BadImageError
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from zerver.lib.upload import upload_emoji_image
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from zerver.models import Realm, RealmAuditLog, RealmEmoji, UserProfile
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from zerver.models.realm_audit_logs import AuditLogEventType
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from zerver.models.realm_emoji import EmojiInfo, get_all_custom_emoji_for_realm
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from zerver.models.users import active_user_ids
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from zerver.tornado.django_api import send_event_on_commit
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def notify_realm_emoji(realm: Realm, realm_emoji: dict[str, EmojiInfo]) -> None:
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event = dict(type="realm_emoji", op="update", realm_emoji=realm_emoji)
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send_event_on_commit(realm, event, active_user_ids(realm.id))
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@transaction.atomic(durable=True)
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def check_add_realm_emoji(
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realm: Realm, name: str, author: UserProfile, image_file: IO[bytes], content_type: str
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) -> RealmEmoji:
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try:
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realm_emoji = RealmEmoji(realm=realm, name=name, author=author)
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realm_emoji.full_clean()
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realm_emoji.save()
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except (IntegrityError, ValidationError):
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# This exists to handle races; upload_emoji checked prior to
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# calling, and also hand-validated the name, but we're now in
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# a transaction. The error string should match the one in
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# upload_emoji.
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raise JsonableError(_("A custom emoji with this name already exists."))
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# This mirrors the check in upload_emoji_image because we want to
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# have some reasonable guarantees on the content-type before
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# deriving the file extension from it.
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if content_type not in THUMBNAIL_ACCEPT_IMAGE_TYPES or content_type not in INLINE_MIME_TYPES:
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raise BadImageError(_("Invalid image format"))
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emoji_file_name = get_emoji_file_name(content_type, realm_emoji.id)
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is_animated = upload_emoji_image(image_file, emoji_file_name, author, content_type)
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realm_emoji.file_name = emoji_file_name
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realm_emoji.is_animated = is_animated
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realm_emoji.save(update_fields=["file_name", "is_animated"])
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realm_emoji_dict = get_all_custom_emoji_for_realm(realm.id)
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RealmAuditLog.objects.create(
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realm=realm,
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acting_user=author,
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event_type=AuditLogEventType.REALM_EMOJI_ADDED,
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event_time=timezone_now(),
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extra_data={
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"realm_emoji": dict(sorted(realm_emoji_dict.items())),
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"added_emoji": realm_emoji_dict[str(realm_emoji.id)],
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},
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)
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notify_realm_emoji(realm_emoji.realm, realm_emoji_dict)
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return realm_emoji
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@transaction.atomic(durable=True)
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def do_remove_realm_emoji(realm: Realm, name: str, *, acting_user: UserProfile | None) -> None:
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emoji = RealmEmoji.objects.get(realm=realm, name=name, deactivated=False)
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emoji.deactivated = True
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emoji.save(update_fields=["deactivated"])
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realm_emoji_dict = get_all_custom_emoji_for_realm(realm.id)
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RealmAuditLog.objects.create(
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realm=realm,
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acting_user=acting_user,
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event_type=AuditLogEventType.REALM_EMOJI_REMOVED,
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event_time=timezone_now(),
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extra_data={
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"realm_emoji": dict(sorted(realm_emoji_dict.items())),
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"deactivated_emoji": realm_emoji_dict[str(emoji.id)],
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},
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)
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notify_realm_emoji(realm, realm_emoji_dict)
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