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fix: resolve control UI avatar URLs (#1457) (thanks @dlauer)

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This commit is contained in:
Peter Steinberger
2026-01-22 21:57:02 +00:00
parent 6c7f224ce1
commit 482fcd2f2c
4 changed files with 110 additions and 21 deletions
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45
src/gateway/control-ui.ts
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@@ -98,7 +98,7 @@ function sendJson(res: ServerResponse, status: number, body: unknown) {
res.end(JSON.stringify(body));
}
function buildAvatarUrl(basePath: string, agentId: string): string {
export function buildAvatarUrl(basePath: string, agentId: string): string {
return basePath ? `${basePath}${AVATAR_PREFIX}/${agentId}` : `${AVATAR_PREFIX}/${agentId}`;
}
@@ -206,22 +206,49 @@ interface ServeIndexHtmlOpts {
agentId?: string;
}
function looksLikeLocalAvatarPath(value: string | undefined): boolean {
if (!value) return false;
if (/^https?:\/\//i.test(value) || /^data:image\//i.test(value)) return false;
function looksLikeLocalAvatarPath(value: string): boolean {
if (/[\\/]/.test(value)) return true;
return /\.(png|jpe?g|gif|webp|svg|ico)$/i.test(value);
}
export function resolveAssistantAvatarUrl(params: {
avatar?: string | null;
agentId?: string | null;
basePath?: string;
}): string | undefined {
const avatar = params.avatar?.trim();
if (!avatar) return undefined;
if (/^https?:\/\//i.test(avatar) || /^data:image\//i.test(avatar)) return avatar;
const basePath = normalizeControlUiBasePath(params.basePath);
const baseAvatarPrefix = basePath ? `${basePath}${AVATAR_PREFIX}/` : `${AVATAR_PREFIX}/`;
if (basePath && avatar.startsWith(`${AVATAR_PREFIX}/`)) {
return `${basePath}${avatar}`;
}
if (avatar.startsWith(baseAvatarPrefix)) return avatar;
if (!params.agentId) return avatar;
if (looksLikeLocalAvatarPath(avatar)) {
return buildAvatarUrl(basePath, params.agentId);
}
return avatar;
}
function serveIndexHtml(res: ServerResponse, indexPath: string, opts: ServeIndexHtmlOpts) {
const { basePath, config, agentId } = opts;
const identity = config
? resolveAssistantIdentity({ cfg: config, agentId })
: DEFAULT_ASSISTANT_IDENTITY;
// Resolve local file avatars to /avatar/{agentId} URL
let avatarValue = identity.avatar;
if (looksLikeLocalAvatarPath(avatarValue) && identity.agentId) {
avatarValue = buildAvatarUrl(basePath, identity.agentId);
}
const resolvedAgentId =
typeof (identity as { agentId?: string }).agentId === "string"
? (identity as { agentId?: string }).agentId
: agentId;
const avatarValue =
resolveAssistantAvatarUrl({
avatar: identity.avatar,
agentId: resolvedAgentId,
basePath,
}) ?? identity.avatar;
res.setHeader("Content-Type", "text/html; charset=utf-8");
res.setHeader("Cache-Control", "no-cache");
const raw = fs.readFileSync(indexPath, "utf8");