(core) Fixing the ViewAs feature when the example user exists

Summary:
View as feature uses example.com emails for simulated users. This can break
when such a user already exists in the home db. Here we pretend that these users
don't exist during ACL checks.

Test Plan: Updated and existing

Reviewers: paulfitz

Reviewed By: paulfitz

Subscribers: paulfitz

Differential Revision: https://phab.getgrist.com/D3705

app/server/lib/GranularAccess.ts

@@ -1837,7 +1837,11 @@ export class GranularAccess implements GranularAccessForBundle {
     const dbUser = linkParameters.aclAsUserId ?
       (await this._homeDbManager.getUser(integerParam(linkParameters.aclAsUserId, 'aclAsUserId'))) :
       (await this._homeDbManager.getExistingUserByLogin(linkParameters.aclAsUser));
-    if (!dbUser && linkParameters.aclAsUser) {
+    // If this is one of example users we will pretend that it doesn't exist, otherwise we would
+    // end up using permissions of the real user.
+    const isExampleUser = this.getExampleViewAsUsers().some(e => e.email === dbUser?.loginEmail);
+    const userExists = dbUser && !isExampleUser;
+    if (!userExists && linkParameters.aclAsUser) {
       // Look further for the user, in user attribute tables or examples.
       const otherUsers = (await this.collectViewAsUsersFromUserAttributeTables())
         .concat(this.getExampleViewAsUsers());
@@ -1854,12 +1858,12 @@ export class GranularAccess implements GranularAccessForBundle {
         };
       }
     }
-    const docAuth = dbUser && await this._homeDbManager.getDocAuthCached({
+    const docAuth = userExists ? await this._homeDbManager.getDocAuthCached({
       urlId: this._docId,
       userId: dbUser.id
-    });
+    }) : null;
     const access = docAuth?.access || null;
-    const user = dbUser && this._homeDbManager.makeFullUser(dbUser) || null;
+    const user = userExists ? this._homeDbManager.makeFullUser(dbUser) : null;
     return { access, user };
   }
 

test/nbrowser/gristUtils.ts

@@ -1103,13 +1103,6 @@ export async function selectWidget(
   await waitForServer();
 }
 
-export async function changeWidget(type: string) {
-  await openWidgetPanel();
-  await driver.findContent('.test-right-panel button', /Change Widget/).click();
-  await selectWidget(type);
-  await waitForServer();
-}
-
 /**
  * Toggle elem if not selected. Expects elem to be clickable and to have a class ending with
  * -selected when selected.
@@ -1336,14 +1329,6 @@ export async function openWidgetPanel() {
   await driver.find('.test-right-tab-pagewidget').click();
 }
 
-/**
- * Opens a Creator Panel on Widget/Table settings tab.
- */
- export async function openColumnPanel() {
-  await toggleSidePanel('right', 'open');
-  await driver.find('.test-right-tab-field').click();
-}
-
 /**
  * Moves a column from a hidden to visible section.
  * Needs a visible Creator panel.
@@ -1536,17 +1521,13 @@ export async function deleteColumn(col: IColHeader|string) {
 /**
  * Sets the type of the currently selected field to value.
  */
-export async function setType(type: RegExp|string, options: {skipWait?: boolean, apply?: boolean} = {}) {
+export async function setType(type: RegExp|string, options: {skipWait?: boolean} = {}) {
   await toggleSidePanel('right', 'open');
   await driver.find('.test-right-tab-field').click();
   await driver.find('.test-fbuilder-type-select').click();
   type = typeof type === 'string' ? exactMatch(type) : type;
   await driver.findContentWait('.test-select-menu .test-select-row', type, 500).click();
-  if (!options.skipWait || options.apply) { await waitForServer(); }
-  if (options.apply) {
-    await driver.findWait('.test-type-transform-apply', 1000).click();
-    await waitForServer();
-  }
+  if (!options.skipWait) { await waitForServer(); }
 }
 
 /**