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

zerver/views/realm_logo.py

@@ -0,0 +1,70 @@
+from django.conf import settings
+from django.core.files.uploadedfile import UploadedFile
+from django.http import HttpRequest, HttpResponse
+from django.shortcuts import redirect
+from django.utils.translation import gettext as _
+from pydantic import Json
+
+from zerver.actions.realm_logo import do_change_logo_source
+from zerver.decorator import require_realm_admin
+from zerver.lib.exceptions import JsonableError
+from zerver.lib.realm_logo import get_realm_logo_url
+from zerver.lib.response import json_success
+from zerver.lib.typed_endpoint import typed_endpoint
+from zerver.lib.upload import get_file_info, upload_logo_image
+from zerver.lib.url_encoding import append_url_query_string
+from zerver.models import UserProfile
+
+
+@require_realm_admin
+@typed_endpoint
+def upload_logo(
+    request: HttpRequest, user_profile: UserProfile, *, night: Json[bool]
+) -> HttpResponse:
+    user_profile.realm.ensure_not_on_limited_plan()
+
+    if len(request.FILES) != 1:
+        raise JsonableError(_("You must upload exactly one logo."))
+    [logo_file] = request.FILES.values()
+    assert isinstance(logo_file, UploadedFile)
+    assert logo_file.size is not None
+    if logo_file.size > settings.MAX_LOGO_FILE_SIZE_MIB * 1024 * 1024:
+        raise JsonableError(
+            _("Uploaded file is larger than the allowed limit of {max_size} MiB").format(
+                max_size=settings.MAX_LOGO_FILE_SIZE_MIB,
+            )
+        )
+    _filename, content_type = get_file_info(logo_file)
+    upload_logo_image(logo_file, user_profile, night, content_type=content_type)
+    do_change_logo_source(
+        user_profile.realm, user_profile.realm.LOGO_UPLOADED, night, acting_user=user_profile
+    )
+    return json_success(request)
+
+
+@require_realm_admin
+@typed_endpoint
+def delete_logo_backend(
+    request: HttpRequest, user_profile: UserProfile, *, night: Json[bool]
+) -> HttpResponse:
+    # We don't actually delete the logo because it might still
+    # be needed if the URL was cached and it is rewritten
+    # in any case after next update.
+    do_change_logo_source(
+        user_profile.realm, user_profile.realm.LOGO_DEFAULT, night, acting_user=user_profile
+    )
+    return json_success(request)
+
+
+@typed_endpoint
+def get_logo_backend(
+    request: HttpRequest, user_profile: UserProfile, *, night: Json[bool]
+) -> HttpResponse:
+    url = get_realm_logo_url(user_profile.realm, night)
+
+    # We can rely on the URL already having query parameters. Because
+    # our templates depend on being able to use the ampersand to
+    # add query parameters to our url, get_logo_url does '?version=version_number'
+    # hacks to prevent us from having to jump through decode/encode hoops.
+    url = append_url_query_string(url, request.META["QUERY_STRING"])
+    return redirect(url)