107 lines
3.1 KiB
TypeScript
107 lines
3.1 KiB
TypeScript
const OPENCLAW_3D_VIEWER_SESSION_PREFIX = "openclaw-3d-viewer:v1:";
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const OPENCLAW_3D_VIEWER_SESSION_MAX_AGE_MS = 24 * 60 * 60 * 1000;
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export type OpenClaw3DViewerSession = {
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messageId: string;
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explodeAmount: number;
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selectedNodeName: string | null;
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updatedAt: number;
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};
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type ViewerSessionStorage = Pick<Storage, "getItem" | "setItem" | "removeItem">;
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function getViewerSessionKey(chatId: string) {
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return `${OPENCLAW_3D_VIEWER_SESSION_PREFIX}${chatId}`;
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}
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function removeViewerSession(storage: ViewerSessionStorage, key: string) {
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try {
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storage.removeItem(key);
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} catch {
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// Storage can be unavailable under strict browser privacy policies.
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}
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}
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function normalizeExplodeAmount(value: unknown) {
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const amount = typeof value === "number" ? value : Number(value);
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if (!Number.isFinite(amount)) return 0;
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return Math.max(0, Math.min(1, amount));
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}
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export function readOpenClaw3DViewerSession(params: {
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storage: ViewerSessionStorage;
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chatId: string;
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now?: number;
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}): OpenClaw3DViewerSession | null {
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const key = getViewerSessionKey(params.chatId);
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try {
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const raw = params.storage.getItem(key);
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if (!raw) return null;
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const value = JSON.parse(raw) as Record<string, unknown>;
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const messageId =
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typeof value.messageId === "string" ? value.messageId.trim() : "";
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const updatedAt = Number(value.updatedAt);
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const now = params.now ?? Date.now();
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if (
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!messageId ||
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!Number.isFinite(updatedAt) ||
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updatedAt <= 0 ||
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now - updatedAt > OPENCLAW_3D_VIEWER_SESSION_MAX_AGE_MS
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) {
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removeViewerSession(params.storage, key);
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return null;
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}
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return {
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messageId,
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explodeAmount: normalizeExplodeAmount(value.explodeAmount),
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selectedNodeName:
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typeof value.selectedNodeName === "string" &&
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value.selectedNodeName.trim()
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? value.selectedNodeName.trim()
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: null,
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updatedAt,
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};
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} catch {
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removeViewerSession(params.storage, key);
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return null;
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}
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}
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export function writeOpenClaw3DViewerSession(params: {
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storage: ViewerSessionStorage;
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chatId: string;
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messageId: string;
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explodeAmount: number;
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selectedNodeName?: string | null;
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now?: number;
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}) {
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const messageId = params.messageId.trim();
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if (!messageId) return;
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try {
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params.storage.setItem(
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getViewerSessionKey(params.chatId),
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JSON.stringify({
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messageId,
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explodeAmount: normalizeExplodeAmount(params.explodeAmount),
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selectedNodeName: params.selectedNodeName?.trim() || null,
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updatedAt: params.now ?? Date.now(),
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} satisfies OpenClaw3DViewerSession)
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);
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} catch {
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// Private browsing and storage policies may disable sessionStorage.
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}
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}
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export function clearOpenClaw3DViewerSession(params: {
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storage: ViewerSessionStorage;
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chatId: string;
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messageId: string;
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}) {
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const current = readOpenClaw3DViewerSession({
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storage: params.storage,
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chatId: params.chatId,
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});
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if (current?.messageId !== params.messageId) return;
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removeViewerSession(params.storage, getViewerSessionKey(params.chatId));
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}
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