Promote shared BIM links through launcher

2026-06-23 11:54:31 +03:00
parent bf34f35d6c
commit 33d2f03624
3 changed files with 120 additions and 3 deletions
@@ -805,15 +805,33 @@ const getRequestBaseUrl = (req) => {
    return `${proto}://${host}`.replace(/\/$/, "");
 };

-const buildLauncherLoginUrl = (req, nextPath = "/") => {
+const buildLauncherLaunchUrl = (nextPath = "/") => {
    const launchPath = `/api/services/${encodeURIComponent(BIM_SERVICE_SLUG)}/launch`;
    const launchUrl = new URL(launchPath, LAUNCHER_BASE_URL);
    launchUrl.searchParams.set("returnTo", sanitizeReturnTo(nextPath));
+    return launchUrl.toString();
+};
+
+const buildLauncherLoginUrl = (req, nextPath = "/") => {
    const loginUrl = new URL("/auth/login", LAUNCHER_BASE_URL);
+    const launchUrl = new URL(buildLauncherLaunchUrl(nextPath));
    loginUrl.searchParams.set("returnTo", `${launchUrl.pathname}${launchUrl.search}`);
    return loginUrl.toString();
 };

+const buildSharePromotionUrls = (token) => {
+    const safeToken = safeShareToken(token);
+    if (!safeToken) {
+        return {promoteUrl: null, silentPromoteUrl: null};
+    }
+    const sharePath = `/share/${encodeURIComponent(safeToken)}`;
+    const bridgePath = `/auth/share-promoted?next=${encodeURIComponent(sharePath)}`;
+    return {
+        promoteUrl: buildLauncherLaunchUrl(sharePath),
+        silentPromoteUrl: buildLauncherLaunchUrl(bridgePath)
+    };
+};
+
 const sendAuthRequired = (req, res, url) => {
    const nextPath = sanitizeReturnTo(`${url.pathname}${url.search || ""}`);
    if (!INTERNAL_ACCESS_TOKEN) {
@@ -1596,6 +1614,37 @@ const handleLauncherHandoff = async (req, res, url) => {
    }
 };

+const handleSharePromoted = (res, url) => {
+    const nextPath = sanitizeReturnTo(url.searchParams.get("next") || "/");
+    const nextPathJson = JSON.stringify(nextPath);
+    res.statusCode = 200;
+    res.setHeader("Content-Type", "text/html; charset=utf-8");
+    res.setHeader("Cache-Control", "no-store");
+    res.setHeader("Content-Security-Policy", "default-src 'none'; script-src 'unsafe-inline'");
+    res.end(`<!doctype html>
+<html lang="ru">
+  <head>
+    <meta charset="utf-8">
+    <title>BIM share auth</title>
+  </head>
+  <body>
+    <script>
+      const nextPath = ${nextPathJson};
+      const payload = {
+        type: "nodedc:bim-share-promoted",
+        nextPath,
+        createdAt: Date.now()
+      };
+      if (window.parent && window.parent !== window) {
+        window.parent.postMessage(payload, window.location.origin);
+      } else {
+        window.location.replace(nextPath);
+      }
+    </script>
+  </body>
+</html>`);
+};
+
 const handleLogout = (req, res) => {
    const sessionId = parseCookies(req.headers.cookie || "")[BIM_SESSION_COOKIE];
    if (sessionId) {
@@ -1713,6 +1762,9 @@ const handleGetShare = async (req, res, token) => {
    }
    const session = getCurrentBimSession(req);
    const authenticated = !!session;
+    const promotionUrls = BIM_AUTH_REQUIRED && !authenticated
+        ? buildSharePromotionUrls(safeToken)
+        : {promoteUrl: null, silentPromoteUrl: null};
    const versionHistory = await getAssetVersionHistory(req, {
        projectId: share.projectId,
        assetId: share.assetId
@@ -1723,6 +1775,8 @@ const handleGetShare = async (req, res, token) => {
        readonly: !authenticated,
        authenticated,
        canShare: !BIM_AUTH_REQUIRED || authenticated,
+        promoteUrl: promotionUrls.promoteUrl,
+        silentPromoteUrl: promotionUrls.silentPromoteUrl,
        user: session?.user || null,
        viewer: {
            src: publicUrlForUploadSrc(req, share.src),
@@ -3201,6 +3255,10 @@ const requestHandler = async (req, res) => {
        return handleLauncherHandoff(req, res, url);
    }

+    if (req.method === "GET" && url.pathname === "/auth/share-promoted") {
+        return handleSharePromoted(res, url);
+    }
+
    if (req.method === "GET" && url.pathname === "/auth/logout") {
        return handleLogout(req, res);
    }