From 94c6d06f976ba97f2fb04b01231525fcb1d084bf Mon Sep 17 00:00:00 2001
From: Nikolay Chashnikov <Nikolay.Chashnikov@jetbrains.com>
Date: Tue, 1 Nov 2022 14:11:18 +0100
Subject: [PATCH] [platform] check that read access is allowed when accessing
 ProjectFileIndex and ModuleFileIndex (IDEA-304640)

GitOrigin-RevId: 106e3c92300d2b372f4449804934e7b7ee79e244
---
 .../src/com/intellij/openapi/roots/impl/DirectoryIndexImpl.java | 2 ++
 .../core/fileIndex/impl/WorkspaceFileIndexData.kt               | 1 +
 2 files changed, 3 insertions(+)

diff --git a/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/DirectoryIndexImpl.java b/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/DirectoryIndexImpl.java
index 679c8536f37d..7c76327950a9 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/DirectoryIndexImpl.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/DirectoryIndexImpl.java
@@ -3,6 +3,7 @@ package com.intellij.openapi.roots.impl;
 
 import com.intellij.model.ModelBranch;
 import com.intellij.openapi.Disposable;
+import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.fileTypes.FileTypeRegistry;
 import com.intellij.openapi.module.Module;
@@ -221,6 +222,7 @@ public final class DirectoryIndexImpl extends DirectoryIndex implements Disposab
   }
 
   private void checkAvailability() {
+    ApplicationManager.getApplication().assertReadAccessAllowed();
     if (myDisposed) {
       ProgressManager.checkCanceled();
       LOG.error("Directory index is already disposed for " + myProject);
diff --git a/platform/projectModel-impl/src/com/intellij/workspaceModel/core/fileIndex/impl/WorkspaceFileIndexData.kt b/platform/projectModel-impl/src/com/intellij/workspaceModel/core/fileIndex/impl/WorkspaceFileIndexData.kt
index a9d1db90db80..22ed04e9b655 100644
--- a/platform/projectModel-impl/src/com/intellij/workspaceModel/core/fileIndex/impl/WorkspaceFileIndexData.kt
+++ b/platform/projectModel-impl/src/com/intellij/workspaceModel/core/fileIndex/impl/WorkspaceFileIndexData.kt
@@ -56,6 +56,7 @@ internal class WorkspaceFileIndexData(contributorList: List<WorkspaceFileIndexCo
     if (hasDirtyEntities && ApplicationManager.getApplication().isWriteAccessAllowed) {
       updateDirtyEntities()
     }
+    ApplicationManager.getApplication().assertReadAccessAllowed()
     nonIncrementalContributors.updateIfNeeded(fileSets)
 
     val originalKindMask =