🐛 Fix error when an external user tries to export a shape on viewer (#6252)

CHANGES.md

@@ -18,6 +18,7 @@
 - Fix design tab has a horizontal scroll [Taiga #10660](https://tree.taiga.io/project/penpot/issue/10660)
 - Fix long file names being clipped when longer than allowed length [Taiga #10662](https://tree.taiga.io/project/penpot/issue/10662)
 - Fix problem with error detail in toast [Taiga #10519](https://tree.taiga.io/project/penpot/issue/10519)
+- Fix view mode error when an external user tries to export something from a prototype using a shared link [Taiga #10251](https://tree.taiga.io/project/penpot/issue/10251)
 
 ## 2.6.1
 

backend/src/app/rpc/commands/files.clj

@@ -474,7 +474,7 @@
   (update page :objects update-vals #(dissoc % :thumbnail)))
 
 (defn get-page
-  [{:keys [::db/conn] :as cfg} {:keys [profile-id file-id page-id object-id] :as params}]
+  [{:keys [::db/conn] :as cfg} {:keys [profile-id file-id page-id object-id share-id] :as params}]
 
   (when (and (uuid? object-id)
              (not (uuid? page-id)))
@@ -482,12 +482,15 @@
               :code :params-validation
               :hint "page-id is required when object-id is provided"))
 
-  (let [team (teams/get-team conn
-                             :profile-id profile-id
-                             :file-id file-id)
+  (let [perms (get-permissions conn profile-id file-id share-id)
 
         file  (get-file cfg file-id)
 
+        proj  (db/get conn :project {:id (:project-id file)})
+
+        team  (-> (db/get conn :team {:id (:team-id proj)})
+                  (teams/decode-row))
+
         _     (-> (cfeat/get-team-enabled-features cf/flags team)
                   (cfeat/check-client-features! (:features params))
                   (cfeat/check-file-features! (:features file)))
@@ -499,6 +502,11 @@
                     (deref page)
                     page)))]
 
+    (when-not perms
+      (ex/raise :type :not-found
+                :code :object-not-found
+                :hint "object not found"))
+
     (cond-> (prune-thumbnails page)
       (some? object-id)
       (prune-objects object-id))))

frontend/src/app/render.cljs

@@ -143,17 +143,7 @@
         nil)
 
       (do
-        (st/emit! (ptk/reify ::initialize-render-objects
-                    ptk/WatchEvent
-                    (watch [_ _ stream]
-                      (rx/merge
-                       (rx/of (fetch-team :file-id file-id))
-
-                       (->> stream
-                            (rx/filter (ptk/type? ::team-fetched))
-                            (rx/observe-on :async)
-                            (rx/map (constantly params))
-                            (rx/map fetch-objects-bundle))))))
+        (st/emit! (fetch-objects-bundle :file-id file-id :page-id page-id :share-id share-id :object-id object-id))
 
         (if (uuid? object-id)
           (mf/html