snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

zerver/views/realm_emoji.py

@@ -0,0 +1,69 @@
+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_human_non_guest_user
+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.response import json_success
+from zerver.lib.typed_endpoint import PathOnly, typed_endpoint
+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_human_non_guest_user
+@typed_endpoint
+def upload_emoji(
+    request: HttpRequest, user_profile: UserProfile, *, emoji_name: PathOnly[str]
+) -> 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)