feat(ee): page-level access/permissions (#1971)

* Add page_hierarchy table

* feat(ee): page-level permissions

* pagination

* rename migration
fixes

* fix

* tabs

* fix theme

* cleanup

* sync

* page permissions notification
* other fixes

* sharing disbled

* fix column nodes

* toggle error handling

apps/server/src/app.module.ts

@@ -1,6 +1,7 @@
 import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { EnvironmentService } from './integrations/environment/environment.service';
 import { CoreModule } from './core/core.module';
 import { EnvironmentModule } from './integrations/environment/environment.module';
 import { CollaborationModule } from './collaboration/collaboration.module';
@@ -18,6 +19,8 @@ import { SecurityModule } from './integrations/security/security.module';
 import { TelemetryModule } from './integrations/telemetry/telemetry.module';
 import { RedisModule } from '@nestjs-labs/nestjs-ioredis';
 import { RedisConfigService } from './integrations/redis/redis-config.service';
+import { CacheModule } from '@nestjs/cache-manager';
+import KeyvRedis from '@keyv/redis';
 import { LoggerModule } from './common/logger/logger.module';
 
 const enterpriseModules = [];
@@ -43,6 +46,18 @@ try {
     RedisModule.forRootAsync({
       useClass: RedisConfigService,
     }),
+    CacheModule.registerAsync({
+      isGlobal: true,
+      useFactory: async (environmentService: EnvironmentService) => {
+        const redisUrl = environmentService.getRedisUrl();
+
+        return {
+          ttl: 5 * 1000,
+          stores: [new KeyvRedis(redisUrl)],
+        };
+      },
+      inject: [EnvironmentService],
+    }),
     CollaborationModule,
     WsModule,
     QueueModule,

apps/server/src/collaboration/collaboration.util.ts

@@ -33,10 +33,10 @@ import {
   Subpages,
   Highlight,
   UniqueID,
-  addUniqueIdsToDoc,
-  htmlToMarkdown,
   Columns,
   Column,
+  addUniqueIdsToDoc,
+  htmlToMarkdown,
 } from '@docmost/editor-ext';
 import { generateText, getSchema, JSONContent } from '@tiptap/core';
 import { generateHTML, generateJSON } from '../common/helpers/prosemirror/html';

apps/server/src/collaboration/extensions/authentication.extension.ts

@@ -9,6 +9,7 @@ import { TokenService } from '../../core/auth/services/token.service';
 import { UserRepo } from '@docmost/db/repos/user/user.repo';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { findHighestUserSpaceRole } from '@docmost/db/repos/space/utils';
 import { SpaceRole } from '../../common/helpers/types/permission';
 import { getPageId } from '../collaboration.util';
@@ -23,6 +24,7 @@ export class AuthenticationExtension implements Extension {
     private userRepo: UserRepo,
     private pageRepo: PageRepo,
     private readonly spaceMemberRepo: SpaceMemberRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
   ) {}
 
   async onAuthenticate(data: onAuthenticatePayload) {
@@ -52,7 +54,7 @@ export class AuthenticationExtension implements Extension {
 
     const page = await this.pageRepo.findById(pageId);
     if (!page) {
-      this.logger.warn(`Page not found: ${pageId}`);
+      this.logger.debug(`Page not found: ${pageId}`);
       throw new NotFoundException('Page not found');
     }
 
@@ -68,9 +70,34 @@ export class AuthenticationExtension implements Extension {
       throw new UnauthorizedException();
     }
 
-    if (userSpaceRole === SpaceRole.READER) {
+    // Check page-level permissions
+    const { hasAnyRestriction, canAccess, canEdit } =
+      await this.pagePermissionRepo.canUserEditPage(user.id, page.id);
+
+    if (hasAnyRestriction) {
+      if (!canAccess) {
+        this.logger.warn(
+          `User ${user.id} denied page-level access to page: ${pageId}`,
+        );
+        throw new UnauthorizedException();
+      }
+
+      if (!canEdit) {
+        data.connectionConfig.readOnly = true;
+        this.logger.debug(
+          `User ${user.id} granted readonly access to restricted page: ${pageId}`,
+        );
+      }
+    } else {
+      // No restrictions - use space-level permissions
+      if (userSpaceRole === SpaceRole.READER) {
+        data.connectionConfig.readOnly = true;
+        this.logger.debug(`User granted readonly access to page: ${pageId}`);
+      }
+    }
+
+    if (page.deletedAt) {
       data.connectionConfig.readOnly = true;
-      this.logger.debug(`User granted readonly access to page: ${pageId}`);
     }
 
     this.logger.debug(`Authenticated user ${user.id} on page ${pageId}`);

apps/server/src/common/helpers/types/permission.ts

@@ -14,3 +14,12 @@ export enum SpaceVisibility {
   OPEN = 'open', // any workspace member can see that it exists and join.
   PRIVATE = 'private', // only added space users can see
 }
+
+export enum PageAccessLevel {
+  RESTRICTED = 'restricted', // only specific users/groups can view or edit
+}
+
+export enum PagePermissionRole {
+  READER = 'reader', // can only view content and descendants
+  WRITER = 'writer', // can edit content, descendants, and add new users to permission
+}

apps/server/src/core/attachment/attachment.controller.ts

@@ -53,6 +53,7 @@ import { TokenService } from '../auth/services/token.service';
 import { JwtAttachmentPayload, JwtType } from '../auth/dto/jwt-payload';
 import * as path from 'path';
 import { RemoveIconDto } from './dto/attachment.dto';
+import { PageAccessService } from '../page/page-access/page-access.service';
 
 @Controller()
 export class AttachmentController {
@@ -67,6 +68,7 @@ export class AttachmentController {
     private readonly attachmentRepo: AttachmentRepo,
     private readonly environmentService: EnvironmentService,
     private readonly tokenService: TokenService,
+    private readonly pageAccessService: PageAccessService,
   ) {}
 
   @UseGuards(JwtAuthGuard)
@@ -111,13 +113,7 @@ export class AttachmentController {
       throw new NotFoundException('Page not found');
     }
 
-    const spaceAbility = await this.spaceAbility.createForUser(
-      user,
-      page.spaceId,
-    );
-    if (spaceAbility.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanEdit(page, user);
 
     const spaceId = page.spaceId;
 
@@ -172,15 +168,13 @@ export class AttachmentController {
       throw new NotFoundException();
     }
 
-    const spaceAbility = await this.spaceAbility.createForUser(
-      user,
-      attachment.spaceId,
-    );
-
-    if (spaceAbility.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
+    const page = await this.pageRepo.findById(attachment.pageId);
+    if (!page) {
+      throw new NotFoundException();
     }
 
+    await this.pageAccessService.validateCanView(page, user);
+
     try {
       return await this.sendFileResponse(req, res, attachment, 'private');
     } catch (err) {

apps/server/src/core/comment/comment.controller.ts

@@ -24,6 +24,7 @@ import {
   SpaceCaslSubject,
 } from '../casl/interfaces/space-ability.type';
 import { CommentRepo } from '@docmost/db/repos/comment/comment.repo';
+import { PageAccessService } from '../page/page-access/page-access.service';
 
 @UseGuards(JwtAuthGuard)
 @Controller('comments')
@@ -33,6 +34,7 @@ export class CommentController {
     private readonly commentRepo: CommentRepo,
     private readonly pageRepo: PageRepo,
     private readonly spaceAbility: SpaceAbilityFactory,
+    private readonly pageAccessService: PageAccessService,
   ) {}
 
   @HttpCode(HttpStatus.OK)
@@ -47,10 +49,7 @@ export class CommentController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Create, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanEdit(page, user);
 
     return this.commentService.create(
       {
@@ -75,10 +74,8 @@ export class CommentController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanView(page, user);
+
     return this.commentService.findByPageId(page.id, pagination);
   }
 
@@ -90,13 +87,13 @@ export class CommentController {
       throw new NotFoundException('Comment not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(
-      user,
-      comment.spaceId,
-    );
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
+    const page = await this.pageRepo.findById(comment.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
+
+    await this.pageAccessService.validateCanView(page, user);
+
     return comment;
   }
 
@@ -108,18 +105,13 @@ export class CommentController {
       throw new NotFoundException('Comment not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(
-      user,
-      comment.spaceId,
-    );
-
-    // must be a space member with edit permission
-    if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException(
-        'You must have space edit permission to edit comments',
-      );
+    const page = await this.pageRepo.findById(comment.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
 
+    await this.pageAccessService.validateCanEdit(page, user);
+
     return this.commentService.update(comment, dto, user);
   }
 
@@ -131,41 +123,27 @@ export class CommentController {
       throw new NotFoundException('Comment not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(
-      user,
-      comment.spaceId,
-    );
-
-    // must be a space member with edit permission
-    if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
+    const page = await this.pageRepo.findById(comment.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
 
+    // Check page-level edit permission first
+    await this.pageAccessService.validateCanEdit(page, user);
+
     // Check if user is the comment owner
     const isOwner = comment.creatorId === user.id;
 
     if (isOwner) {
-      /*
-      // Check if comment has children from other users
-      const hasChildrenFromOthers =
-        await this.commentRepo.hasChildrenFromOtherUsers(comment.id, user.id);
-
-      // Owner can delete if no children from other users
-      if (!hasChildrenFromOthers) {
-        await this.commentRepo.deleteComment(comment.id);
-        return;
-      }
-
-      // If has children from others, only space admin can delete
-      if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Settings)) {
-        throw new ForbiddenException(
-          'Only space admins can delete comments with replies from other users',
-        );
-      }*/
       await this.commentRepo.deleteComment(comment.id);
       return;
     }
 
+    const ability = await this.spaceAbility.createForUser(
+      user,
+      comment.spaceId,
+    );
+
     // Space admin can delete any comment
     if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Settings)) {
       throw new ForbiddenException(

apps/server/src/core/core.module.ts

@@ -14,6 +14,7 @@ import { SearchModule } from './search/search.module';
 import { SpaceModule } from './space/space.module';
 import { GroupModule } from './group/group.module';
 import { CaslModule } from './casl/casl.module';
+import { PageAccessModule } from './page/page-access/page-access.module';
 import { DomainMiddleware } from '../common/middlewares/domain.middleware';
 import { ShareModule } from './share/share.module';
 import { NotificationModule } from './notification/notification.module';
@@ -31,6 +32,7 @@ import { WatcherModule } from './watcher/watcher.module';
     SpaceModule,
     GroupModule,
     CaslModule,
+    PageAccessModule,
     ShareModule,
     NotificationModule,
     WatcherModule,

apps/server/src/core/notification/notification.constants.ts

@@ -3,6 +3,7 @@ export const NotificationType = {
   COMMENT_CREATED: 'comment.created',
   COMMENT_RESOLVED: 'comment.resolved',
   PAGE_USER_MENTION: 'page.user_mention',
+  PAGE_PERMISSION_GRANTED: 'page.permission_granted',
 } as const;
 
 export type NotificationType =

apps/server/src/core/notification/notification.module.ts

@@ -4,10 +4,9 @@ import { NotificationController } from './notification.controller';
 import { NotificationProcessor } from './notification.processor';
 import { CommentNotificationService } from './services/comment.notification';
 import { PageNotificationService } from './services/page.notification';
-import { WsModule } from '../../ws/ws.module';
 
 @Module({
-  imports: [WsModule],
+  imports: [],
   controllers: [NotificationController],
   providers: [
     NotificationService,

apps/server/src/core/notification/notification.processor.ts

@@ -8,6 +8,7 @@ import {
   ICommentNotificationJob,
   ICommentResolvedNotificationJob,
   IPageMentionNotificationJob,
+  IPermissionGrantedNotificationJob,
 } from '../../integrations/queue/constants/queue.interface';
 import { CommentNotificationService } from './services/comment.notification';
 import { PageNotificationService } from './services/page.notification';
@@ -33,7 +34,8 @@ export class NotificationProcessor
     job: Job<
       | ICommentNotificationJob
       | ICommentResolvedNotificationJob
-      | IPageMentionNotificationJob,
+      | IPageMentionNotificationJob
+      | IPermissionGrantedNotificationJob,
       void
     >,
   ): Promise<void> {
@@ -66,6 +68,14 @@ export class NotificationProcessor
           break;
         }
 
+        case QueueJob.PAGE_PERMISSION_GRANTED: {
+          await this.pageNotificationService.processPermissionGranted(
+            job.data as IPermissionGrantedNotificationJob,
+            appUrl,
+          );
+          break;
+        }
+
         default:
           this.logger.warn(`Unknown notification job: ${job.name}`);
       }

apps/server/src/core/notification/services/comment.notification.ts

@@ -8,6 +8,7 @@ import {
 import { NotificationService } from '../notification.service';
 import { NotificationType } from '../notification.constants';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { WatcherRepo } from '@docmost/db/repos/watcher/watcher.repo';
 import { CommentMentionEmail } from '@docmost/transactional/emails/comment-mention-email';
 import { CommentCreateEmail } from '@docmost/transactional/emails/comment-created-email';
@@ -22,6 +23,7 @@ export class CommentNotificationService {
     @InjectKysely() private readonly db: KyselyDB,
     private readonly notificationService: NotificationService,
     private readonly spaceMemberRepo: SpaceMemberRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
     private readonly watcherRepo: WatcherRepo,
   ) {}
 
@@ -59,12 +61,19 @@ export class CommentNotificationService {
     const allCandidateIds = [
       ...new Set([...mentionedUserIds, ...recipientIds]),
     ];
-    const usersWithAccess =
+    const usersWithSpaceAccess =
       await this.spaceMemberRepo.getUserIdsWithSpaceAccess(
         allCandidateIds,
         spaceId,
       );
 
+    const usersWithPageAccess =
+      await this.pagePermissionRepo.getUserIdsWithPageAccess(
+        pageId,
+        [...usersWithSpaceAccess],
+      );
+    const usersWithAccess = new Set(usersWithPageAccess);
+
     for (const userId of mentionedUserIds) {
       if (!usersWithAccess.has(userId)) continue;
 
@@ -146,6 +155,13 @@ export class CommentNotificationService {
       return;
     }
 
+    const hasPageAccess =
+      await this.pagePermissionRepo.getUserIdsWithPageAccess(
+        pageId,
+        [commentCreatorId],
+      );
+    if (hasPageAccess.length === 0) return;
+
     const notification = await this.notificationService.create({
       userId: commentCreatorId,
       workspaceId,

apps/server/src/core/notification/services/page.notification.ts

@@ -1,11 +1,16 @@
 import { Injectable } from '@nestjs/common';
 import { InjectKysely } from 'nestjs-kysely';
 import { KyselyDB } from '@docmost/db/types/kysely.types';
-import { IPageMentionNotificationJob } from '../../../integrations/queue/constants/queue.interface';
+import {
+  IPageMentionNotificationJob,
+  IPermissionGrantedNotificationJob,
+} from '../../../integrations/queue/constants/queue.interface';
 import { NotificationService } from '../notification.service';
 import { NotificationType } from '../notification.constants';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { PageMentionEmail } from '@docmost/transactional/emails/page-mention-email';
+import { PermissionGrantedEmail } from '@docmost/transactional/emails/permission-granted-email';
 import { getPageTitle } from '../../../common/helpers';
 
 @Injectable()
@@ -14,6 +19,7 @@ export class PageNotificationService {
     @InjectKysely() private readonly db: KyselyDB,
     private readonly notificationService: NotificationService,
     private readonly spaceMemberRepo: SpaceMemberRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
   ) {}
 
   async processPageMention(data: IPageMentionNotificationJob, appUrl: string) {
@@ -28,12 +34,19 @@ export class PageNotificationService {
     if (newMentions.length === 0) return;
 
     const candidateUserIds = newMentions.map((m) => m.userId);
-    const usersWithAccess =
+    const usersWithSpaceAccess =
       await this.spaceMemberRepo.getUserIdsWithSpaceAccess(
         candidateUserIds,
         spaceId,
       );
 
+    const usersWithPageAccess =
+      await this.pagePermissionRepo.getUserIdsWithPageAccess(
+        pageId,
+        [...usersWithSpaceAccess],
+      );
+    const usersWithAccess = new Set(usersWithPageAccess);
+
     const accessibleMentions = newMentions.filter((m) =>
       usersWithAccess.has(m.userId),
     );
@@ -97,6 +110,52 @@ export class PageNotificationService {
     }
   }
 
+  async processPermissionGranted(
+    data: IPermissionGrantedNotificationJob,
+    appUrl: string,
+  ) {
+    const { userIds, pageId, spaceId, workspaceId, actorId, role } = data;
+
+    if (userIds.length === 0) return;
+
+    const usersWithSpaceAccess =
+      await this.spaceMemberRepo.getUserIdsWithSpaceAccess(userIds, spaceId);
+
+    if (usersWithSpaceAccess.size === 0) return;
+
+    const context = await this.getPageContext(actorId, pageId, spaceId, appUrl);
+    if (!context) return;
+
+    const { actor, pageTitle, basePageUrl } = context;
+    const accessLabel = role === 'writer' ? 'edit' : 'view';
+
+    for (const userId of usersWithSpaceAccess) {
+      const notification = await this.notificationService.create({
+        userId,
+        workspaceId,
+        type: NotificationType.PAGE_PERMISSION_GRANTED,
+        actorId,
+        pageId,
+        spaceId,
+        data: { role },
+      });
+
+      const subject = `${actor.name} gave you ${accessLabel} access to ${pageTitle}`;
+
+      await this.notificationService.queueEmail(
+        userId,
+        notification.id,
+        subject,
+        PermissionGrantedEmail({
+          actorName: actor.name,
+          pageTitle,
+          pageUrl: basePageUrl,
+          accessLabel,
+        }),
+      );
+    }
+  }
+
   private async getPageContext(
     actorId: string,
     pageId: string,

apps/server/src/core/page/page-access/page-access.module.ts

@@ -0,0 +1,9 @@
+import { Global, Module } from '@nestjs/common';
+import { PageAccessService } from './page-access.service';
+
+@Global()
+@Module({
+  providers: [PageAccessService],
+  exports: [PageAccessService],
+})
+export class PageAccessModule {}

apps/server/src/core/page/page-access/page-access.service.ts

@@ -0,0 +1,102 @@
+import { ForbiddenException, Injectable } from '@nestjs/common';
+import { Page, User } from '@docmost/db/types/entity.types';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
+import SpaceAbilityFactory from '../../casl/abilities/space-ability.factory';
+import {
+  SpaceCaslAction,
+  SpaceCaslSubject,
+} from '../../casl/interfaces/space-ability.type';
+
+@Injectable()
+export class PageAccessService {
+  constructor(
+    private readonly pagePermissionRepo: PagePermissionRepo,
+    private readonly spaceAbility: SpaceAbilityFactory,
+  ) {}
+
+  /**
+   * Validate user can view page, throws ForbiddenException if not.
+   * If page has restrictions: page-level permission determines access.
+   * If no restrictions: space-level permission determines access.
+   */
+  async validateCanView(page: Page, user: User): Promise<void> {
+    // TODO: cache by pageId and userId.
+    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
+
+    // User must be at least a space member
+    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
+      throw new ForbiddenException();
+    }
+
+    const canAccess = await this.pagePermissionRepo.canUserAccessPage(
+      user.id,
+      page.id,
+    );
+    if (!canAccess) {
+      throw new ForbiddenException();
+    }
+  }
+
+  /**
+   * Validate user can view page AND return effective canEdit permission.
+   * Combines access check + edit permission in a single query pass.
+   */
+  async validateCanViewWithPermissions(
+    page: Page,
+    user: User,
+  ): Promise<{ canEdit: boolean; hasRestriction: boolean }> {
+    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
+
+    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
+      throw new ForbiddenException();
+    }
+
+    const { hasAnyRestriction, canAccess, canEdit } =
+      await this.pagePermissionRepo.canUserEditPage(user.id, page.id);
+
+    if (hasAnyRestriction && !canAccess) {
+      throw new ForbiddenException();
+    }
+
+    return {
+      canEdit: hasAnyRestriction
+        ? canEdit
+        : ability.can(SpaceCaslAction.Edit, SpaceCaslSubject.Page),
+      hasRestriction: hasAnyRestriction,
+    };
+  }
+
+  /**
+   * Validate user can edit page, throws ForbiddenException if not.
+   * If page has restrictions: page-level writer permission determines access.
+   * If no restrictions: space-level edit permission determines access.
+   */
+  async validateCanEdit(
+    page: Page,
+    user: User,
+  ): Promise<{ hasRestriction: boolean }> {
+    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
+
+    // User must be at least a space member
+    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
+      throw new ForbiddenException();
+    }
+
+    const { hasAnyRestriction, canEdit } =
+      await this.pagePermissionRepo.canUserEditPage(user.id, page.id);
+
+    if (hasAnyRestriction) {
+      // Page has restrictions - use page-level permission
+      if (!canEdit) {
+        throw new ForbiddenException();
+      }
+    } else {
+      // No restrictions - use space-level permission
+      if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Page)) {
+        throw new ForbiddenException();
+      }
+    }
+
+    return { hasRestriction: hasAnyRestriction };
+  }
+}

apps/server/src/core/page/page.controller.ts

@@ -10,6 +10,7 @@ import {
   UseGuards,
 } from '@nestjs/common';
 import { PageService } from './services/page.service';
+import { PageAccessService } from './page-access/page-access.service';
 import { CreatePageDto } from './dto/create-page.dto';
 import { UpdatePageDto } from './dto/update-page.dto';
 import { MovePageDto, MovePageToSpaceDto } from './dto/move-page.dto';
@@ -48,6 +49,7 @@ export class PageController {
     private readonly pageRepo: PageRepo,
     private readonly pageHistoryService: PageHistoryService,
     private readonly spaceAbility: SpaceAbilityFactory,
+    private readonly pageAccessService: PageAccessService,
   ) {}
 
   @HttpCode(HttpStatus.OK)
@@ -65,10 +67,10 @@ export class PageController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    const { canEdit, hasRestriction } =
+      await this.pageAccessService.validateCanViewWithPermissions(page, user);
+
+    const permissions = { canEdit, hasRestriction };
 
     if (dto.format && dto.format !== 'json' && page.content) {
       const contentOutput =
@@ -78,10 +80,11 @@ export class PageController {
       return {
         ...page,
         content: contentOutput,
+        permissions,
       };
     }
 
-    return page;
+    return { ...page, permissions };
   }
 
   @HttpCode(HttpStatus.OK)
@@ -91,12 +94,28 @@ export class PageController {
     @AuthUser() user: User,
     @AuthWorkspace() workspace: Workspace,
   ) {
-    const ability = await this.spaceAbility.createForUser(
-      user,
-      createPageDto.spaceId,
-    );
-    if (ability.cannot(SpaceCaslAction.Create, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
+    if (createPageDto.parentPageId) {
+      // Creating under a parent page - check edit permission on parent
+      const parentPage = await this.pageRepo.findById(
+        createPageDto.parentPageId,
+      );
+      if (
+        !parentPage ||
+        parentPage.deletedAt ||
+        parentPage.spaceId !== createPageDto.spaceId
+      ) {
+        throw new NotFoundException('Parent page not found');
+      }
+      await this.pageAccessService.validateCanEdit(parentPage, user);
+    } else {
+      // Creating at root level - require space-level permission
+      const ability = await this.spaceAbility.createForUser(
+        user,
+        createPageDto.spaceId,
+      );
+      if (ability.cannot(SpaceCaslAction.Create, SpaceCaslSubject.Page)) {
+        throw new ForbiddenException();
+      }
     }
 
     const page = await this.pageService.create(
@@ -105,6 +124,11 @@ export class PageController {
       createPageDto,
     );
 
+    const { canEdit, hasRestriction } =
+      await this.pageAccessService.validateCanViewWithPermissions(page, user);
+
+    const permissions = { canEdit, hasRestriction };
+
     if (
       createPageDto.format &&
       createPageDto.format !== 'json' &&
@@ -114,10 +138,10 @@ export class PageController {
         createPageDto.format === 'markdown'
           ? jsonToMarkdown(page.content)
           : jsonToHtml(page.content);
-      return { ...page, content: contentOutput };
+      return { ...page, content: contentOutput, permissions };
     }
 
-    return page;
+    return { ...page, permissions };
   }
 
   @HttpCode(HttpStatus.OK)
@@ -129,10 +153,8 @@ export class PageController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    const { hasRestriction } =
+      await this.pageAccessService.validateCanEdit(page, user);
 
     const updatedPage = await this.pageService.update(
       page,
@@ -140,6 +162,8 @@ export class PageController {
       user,
     );
 
+    const permissions = { canEdit: true, hasRestriction };
+
     if (
       updatePageDto.format &&
       updatePageDto.format !== 'json' &&
@@ -149,10 +173,10 @@ export class PageController {
         updatePageDto.format === 'markdown'
           ? jsonToMarkdown(updatedPage.content)
           : jsonToHtml(updatedPage.content);
-      return { ...updatedPage, content: contentOutput };
+      return { ...updatedPage, content: contentOutput, permissions };
     }
 
-    return updatedPage;
+    return { ...updatedPage, permissions };
   }
 
   @HttpCode(HttpStatus.OK)
@@ -179,10 +203,9 @@ export class PageController {
       }
       await this.pageService.forceDelete(deletePageDto.pageId, workspace.id);
     } else {
-      // Soft delete requires page manage permissions
-      if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Page)) {
-        throw new ForbiddenException();
-      }
+      // User with edit permission can delete
+      await this.pageAccessService.validateCanEdit(page, user);
+
       await this.pageService.removePage(
         deletePageDto.pageId,
         user.id,
@@ -204,11 +227,18 @@ export class PageController {
       throw new NotFoundException('Page not found');
     }
 
+    //Todo: currently, this means if they are not admins, they need to add a space admin to the page, which is not possible as it was soft-deleted
+    // so page is virtually lost. Fix.
     const ability = await this.spaceAbility.createForUser(user, page.spaceId);
     if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Page)) {
       throw new ForbiddenException();
     }
 
+    //TODO: can users with page level edit, but no space level edit restore pages they can edit?
+
+    // Check page-level edit permission (if restoring to a restricted ancestor)
+    await this.pageAccessService.validateCanEdit(page, user);
+
     await this.pageRepo.restorePage(pageIdDto.pageId, workspace.id);
 
     return this.pageRepo.findById(pageIdDto.pageId, {
@@ -235,6 +265,7 @@ export class PageController {
 
       return this.pageService.getRecentSpacePages(
         recentPageDto.spaceId,
+        user.id,
         pagination,
       );
     }
@@ -261,6 +292,7 @@ export class PageController {
 
       return this.pageService.getDeletedSpacePages(
         deletedPageDto.spaceId,
+        user.id,
         pagination,
       );
     }
@@ -278,10 +310,7 @@ export class PageController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanView(page, user);
 
     return this.pageHistoryService.findHistoryByPageId(page.id, pagination);
   }
@@ -297,13 +326,14 @@ export class PageController {
       throw new NotFoundException('Page history not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(
-      user,
-      history.spaceId,
-    );
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
+    // Get the page to check permissions
+    const page = await this.pageRepo.findById(history.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
+
+    await this.pageAccessService.validateCanView(page, user);
+
     return history;
   }
 
@@ -335,7 +365,18 @@ export class PageController {
       throw new ForbiddenException();
     }
 
-    return this.pageService.getSidebarPages(spaceId, pagination, dto.pageId);
+    const spaceCanEdit = ability.can(
+      SpaceCaslAction.Edit,
+      SpaceCaslSubject.Page,
+    );
+
+    return this.pageService.getSidebarPages(
+      spaceId,
+      pagination,
+      dto.pageId,
+      user.id,
+      spaceCanEdit,
+    );
   }
 
   @HttpCode(HttpStatus.OK)
@@ -365,7 +406,11 @@ export class PageController {
       throw new ForbiddenException();
     }
 
-    return this.pageService.movePageToSpace(movedPage, dto.spaceId);
+    // Check page-level edit permission on the source page
+    await this.pageAccessService.validateCanEdit(movedPage, user);
+
+    // Moves only accessible pages; inaccessible child pages become root pages in original space
+    return this.pageService.movePageToSpace(movedPage, dto.spaceId, user.id);
   }
 
   @HttpCode(HttpStatus.OK)
@@ -376,6 +421,10 @@ export class PageController {
       throw new NotFoundException('Page to copy not found');
     }
 
+    // Check page-level view permission on the source page (need to read to copy)
+    // Inaccessible child branches are automatically skipped during duplication
+    await this.pageAccessService.validateCanView(copiedPage, user);
+
     // If spaceId is provided, it's a copy to different space
     if (dto.spaceId) {
       const abilities = await Promise.all([
@@ -418,10 +467,23 @@ export class PageController {
       user,
       movedPage.spaceId,
     );
+
     if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Page)) {
       throw new ForbiddenException();
     }
 
+    // Check page-level edit permission
+    await this.pageAccessService.validateCanEdit(movedPage, user);
+
+    // If moving to a new parent, check permission on the target parent
+    if (dto.parentPageId && dto.parentPageId !== movedPage.parentPageId) {
+      const targetParent = await this.pageRepo.findById(dto.parentPageId);
+      if (!targetParent || targetParent.deletedAt) {
+        throw new NotFoundException('Target parent page not found');
+      }
+      await this.pageAccessService.validateCanEdit(targetParent, user);
+    }
+
     return this.pageService.movePage(dto, movedPage);
   }
 
@@ -433,10 +495,8 @@ export class PageController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanView(page, user);
+
     return this.pageService.getPageBreadCrumbs(page.id);
   }
 }

apps/server/src/core/page/services/page.service.ts

@@ -7,6 +7,7 @@ import {
 import { CreatePageDto, ContentFormat } from '../dto/create-page.dto';
 import { ContentOperation, UpdatePageDto } from '../dto/update-page.dto';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { InsertablePage, Page, User } from '@docmost/db/types/entity.types';
 import { PaginationOptions } from '@docmost/db/pagination/pagination-options';
 import {
@@ -48,6 +49,7 @@ import { EventEmitter2 } from '@nestjs/event-emitter';
 import { CollaborationGateway } from '../../../collaboration/collaboration.gateway';
 import { markdownToHtml } from '@docmost/editor-ext';
 import { WatcherService } from '../../watcher/watcher.service';
+import { sql } from 'kysely';
 
 @Injectable()
 export class PageService {
@@ -55,6 +57,7 @@ export class PageService {
 
   constructor(
     private pageRepo: PageRepo,
+    private pagePermissionRepo: PagePermissionRepo,
     private attachmentRepo: AttachmentRepo,
     @InjectKysely() private readonly db: KyselyDB,
     private readonly storageService: StorageService,
@@ -92,7 +95,11 @@ export class PageService {
         createPageDto.parentPageId,
       );
 
-      if (!parentPage || parentPage.spaceId !== createPageDto.spaceId) {
+      if (
+        !parentPage ||
+        parentPage.deletedAt ||
+        parentPage.spaceId !== createPageDto.spaceId
+      ) {
         throw new NotFoundException('Parent page not found');
       }
 
@@ -262,6 +269,8 @@ export class PageService {
     spaceId: string,
     pagination: PaginationOptions,
     pageId?: string,
+    userId?: string,
+    spaceCanEdit?: boolean,
   ): Promise<CursorPaginationResult<Partial<Page> & { hasChildren: boolean }>> {
     let query = this.db
       .selectFrom('pages')
@@ -286,8 +295,8 @@ export class PageService {
       query = query.where('parentPageId', 'is', null);
     }
 
-    return executeWithCursorPagination(query, {
-      perPage: 250,
+    const result = await executeWithCursorPagination(query, {
+      perPage: 200,
       cursor: pagination.cursor,
       beforeCursor: pagination.beforeCursor,
       fields: [
@@ -303,10 +312,97 @@ export class PageService {
         id: cursor.id,
       }),
     });
+
+    if (userId && result.items.length > 0) {
+      const hasRestrictions =
+        await this.pagePermissionRepo.hasRestrictedPagesInSpace(spaceId);
+
+      if (!hasRestrictions) {
+        result.items = result.items.map((p: any) => ({
+          ...p,
+          canEdit: spaceCanEdit ?? true,
+        }));
+      } else {
+        const pageIds = result.items.map((p: any) => p.id);
+
+        const accessiblePages =
+          await this.pagePermissionRepo.filterAccessiblePageIdsWithPermissions(
+            pageIds,
+            userId,
+          );
+
+        const permissionMap = new Map(
+          accessiblePages.map((p) => [p.id, p.canEdit]),
+        );
+
+        result.items = result.items
+          .filter((p: any) => permissionMap.has(p.id))
+          .map((p: any) => ({
+            ...p,
+            canEdit: permissionMap.get(p.id) && (spaceCanEdit ?? true),
+          }));
+
+        const pagesWithChildren = result.items.filter(
+          (p: any) => p.hasChildren,
+        );
+        if (pagesWithChildren.length > 0) {
+          const parentIds = pagesWithChildren.map((p: any) => p.id);
+          const parentsWithAccessibleChildren =
+            await this.pagePermissionRepo.getParentIdsWithAccessibleChildren(
+              parentIds,
+              userId,
+            );
+          const hasAccessibleChildrenSet = new Set(
+            parentsWithAccessibleChildren,
+          );
+
+          result.items = result.items.map((p: any) => ({
+            ...p,
+            hasChildren: p.hasChildren && hasAccessibleChildrenSet.has(p.id),
+          }));
+        }
+      }
+    }
+
+    return result;
   }
 
-  async movePageToSpace(rootPage: Page, spaceId: string) {
+  async movePageToSpace(rootPage: Page, spaceId: string, userId: string) {
+    const allPages = await this.pageRepo.getPageAndDescendants(rootPage.id, {
+      includeContent: false,
+    });
+
+    // Filter to only accessible pages while maintaining tree integrity
+    const accessiblePages = await this.filterAccessibleTreePages(
+      allPages,
+      rootPage.id,
+      userId,
+      rootPage.spaceId,
+    );
+    const accessibleIds = new Set(accessiblePages.map((p) => p.id));
+
+    // Find inaccessible pages whose parent is being moved - these need to be orphaned
+    const pagesToOrphan = allPages.filter(
+      (p) =>
+        !accessibleIds.has(p.id) &&
+        p.parentPageId &&
+        accessibleIds.has(p.parentPageId),
+    );
+
     await executeTx(this.db, async (trx) => {
+      // Orphan inaccessible child pages (make them root pages in original space)
+      for (const page of pagesToOrphan) {
+        const orphanPosition = await this.nextPagePosition(
+          rootPage.spaceId,
+          null,
+        );
+        await this.pageRepo.updatePage(
+          { parentPageId: null, position: orphanPosition },
+          page.id,
+          trx,
+        );
+      }
+
       // Update root page
       const nextPosition = await this.nextPagePosition(spaceId);
       await this.pageRepo.updatePage(
@@ -314,48 +410,54 @@ export class PageService {
         rootPage.id,
         trx,
       );
-      const pageIds = await this.pageRepo
-        .getPageAndDescendants(rootPage.id, { includeContent: false })
-        .then((pages) => pages.map((page) => page.id));
-      // The first id is the root page id
-      if (pageIds.length > 1) {
-        // Update sub pages
+
+      const pageIdsToMove = accessiblePages.map((p) => p.id);
+
+      if (pageIdsToMove.length > 1) {
+        // Update sub pages (all accessible pages except root)
         await this.pageRepo.updatePages(
           { spaceId },
-          pageIds.filter((id) => id !== rootPage.id),
+          pageIdsToMove.filter((id) => id !== rootPage.id),
           trx,
         );
       }
 
-      if (pageIds.length > 0) {
+      if (pageIdsToMove.length > 0) {
+        // Clear page-level permissions - moved pages inherit destination space permissions
+        // (page_permissions cascade deletes via foreign key)
+        await trx
+          .deleteFrom('pageAccess')
+          .where('pageId', 'in', pageIdsToMove)
+          .execute();
+
         // update spaceId in shares
         await trx
           .updateTable('shares')
           .set({ spaceId: spaceId })
-          .where('pageId', 'in', pageIds)
+          .where('pageId', 'in', pageIdsToMove)
           .execute();
 
         // Update comments
         await trx
           .updateTable('comments')
           .set({ spaceId: spaceId })
-          .where('pageId', 'in', pageIds)
+          .where('pageId', 'in', pageIdsToMove)
           .execute();
 
         // Update attachments
         await this.attachmentRepo.updateAttachmentsByPageId(
           { spaceId },
-          pageIds,
+          pageIdsToMove,
           trx,
         );
 
         // Update watchers and remove those without access to new space
-        await this.watcherService.movePageWatchersToSpace(pageIds, spaceId, {
+        await this.watcherService.movePageWatchersToSpace(pageIdsToMove, spaceId, {
           trx,
         });
 
         await this.aiQueue.add(QueueJob.PAGE_MOVED_TO_SPACE, {
-          pageId: pageIds,
+          pageId: pageIdsToMove,
           workspaceId: rootPage.workspaceId,
         });
       }
@@ -381,10 +483,18 @@ export class PageService {
       nextPosition = await this.nextPagePosition(spaceId);
     }
 
-    const pages = await this.pageRepo.getPageAndDescendants(rootPage.id, {
+    const allPages = await this.pageRepo.getPageAndDescendants(rootPage.id, {
       includeContent: true,
     });
 
+    // Filter to only accessible pages while maintaining tree integrity
+    const pages = await this.filterAccessibleTreePages(
+      allPages,
+      rootPage.id,
+      authUser.id,
+      rootPage.spaceId,
+    );
+
     const pageMap = new Map<string, CopyPageMapEntry>();
     pages.forEach((page) => {
       pageMap.set(page.id, {
@@ -592,7 +702,11 @@ export class PageService {
       // changing the page's parent
       if (dto.parentPageId) {
         const parentPage = await this.pageRepo.findById(dto.parentPageId);
-        if (!parentPage || parentPage.spaceId !== movedPage.spaceId) {
+        if (
+          !parentPage ||
+          parentPage.deletedAt ||
+          parentPage.spaceId !== movedPage.spaceId
+        ) {
           throw new NotFoundException('Parent page not found');
         }
         parentPageId = parentPage.id;
@@ -623,7 +737,6 @@ export class PageService {
             'spaceId',
             'deletedAt',
           ])
-          .select((eb) => this.pageRepo.withHasChildren(eb))
           .where('id', '=', childPageId)
           .where('deletedAt', 'is', null)
           .unionAll((exp) =>
@@ -639,30 +752,21 @@ export class PageService {
                 'p.spaceId',
                 'p.deletedAt',
               ])
-              .select(
-                exp
-                  .selectFrom('pages as child')
-                  .select((eb) =>
-                    eb
-                      .case()
-                      .when(eb.fn.countAll(), '>', 0)
-                      .then(true)
-                      .else(false)
-                      .end()
-                      .as('count'),
-                  )
-                  .whereRef('child.parentPageId', '=', 'id')
-                  .where('child.deletedAt', 'is', null)
-                  .limit(1)
-                  .as('hasChildren'),
-              )
-              //.select((eb) => this.withHasChildren(eb))
               .innerJoin('page_ancestors as pa', 'pa.parentPageId', 'p.id')
               .where('p.deletedAt', 'is', null),
           ),
       )
       .selectFrom('page_ancestors')
-      .selectAll()
+      .selectAll('page_ancestors')
+      .select((eb) =>
+        eb.exists(
+          eb
+            .selectFrom('pages as child')
+            .select(sql`1`.as('one'))
+            .whereRef('child.parentPageId', '=', 'page_ancestors.id')
+            .where('child.deletedAt', 'is', null),
+        ).as('hasChildren'),
+      )
       .execute();
 
     return ancestors.reverse();
@@ -670,23 +774,72 @@ export class PageService {
 
   async getRecentSpacePages(
     spaceId: string,
+    userId: string,
     pagination: PaginationOptions,
   ): Promise<CursorPaginationResult<Page>> {
-    return this.pageRepo.getRecentPagesInSpace(spaceId, pagination);
+    const result = await this.pageRepo.getRecentPagesInSpace(
+      spaceId,
+      pagination,
+    );
+
+    if (result.items.length > 0) {
+      const pageIds = result.items.map((p) => p.id);
+      const accessibleIds =
+        await this.pagePermissionRepo.filterAccessiblePageIds({
+          pageIds,
+          userId,
+          spaceId,
+        });
+      const accessibleSet = new Set(accessibleIds);
+      result.items = result.items.filter((p) => accessibleSet.has(p.id));
+    }
+
+    return result;
   }
 
   async getRecentPages(
     userId: string,
     pagination: PaginationOptions,
   ): Promise<CursorPaginationResult<Page>> {
-    return this.pageRepo.getRecentPages(userId, pagination);
+    const result = await this.pageRepo.getRecentPages(userId, pagination);
+
+    if (result.items.length > 0) {
+      const pageIds = result.items.map((p) => p.id);
+      const accessibleIds =
+        await this.pagePermissionRepo.filterAccessiblePageIds({
+          pageIds,
+          userId,
+        });
+      const accessibleSet = new Set(accessibleIds);
+      result.items = result.items.filter((p) => accessibleSet.has(p.id));
+    }
+
+    return result;
   }
 
   async getDeletedSpacePages(
     spaceId: string,
+    userId: string,
     pagination: PaginationOptions,
   ): Promise<CursorPaginationResult<Page>> {
-    return this.pageRepo.getDeletedPagesInSpace(spaceId, pagination);
+    const result = await this.pageRepo.getDeletedPagesInSpace(
+      spaceId,
+      pagination,
+    );
+
+    if (result.items.length > 0) {
+      const pageIds = result.items.map((p) => p.id);
+      const accessibleIds =
+        await this.pagePermissionRepo.filterAccessiblePageIds({
+          pageIds,
+          userId,
+          spaceId,
+        });
+      const accessibleSet = new Set(accessibleIds);
+      result.items = result.items.filter((p) => accessibleSet.has(p.id));
+    }
+
+    return result;
   }
 
   async forceDelete(pageId: string, workspaceId: string): Promise<void> {
@@ -776,4 +929,61 @@ export class PageService {
 
     return prosemirrorJson;
   }
+
+  /**
+   * Filters a list of pages to only those accessible to the user while maintaining tree integrity.
+   * A page is included only if:
+   * 1. The user has access to it
+   * 2. Its parent is also included (or it's the root page)
+   * This ensures that if a middle page is inaccessible, its entire subtree is excluded.
+   */
+  private async filterAccessibleTreePages<
+    T extends { id: string; parentPageId: string | null },
+  >(
+    pages: T[],
+    rootPageId: string,
+    userId: string,
+    spaceId?: string,
+  ): Promise<T[]> {
+    if (pages.length === 0) return [];
+
+    const pageIds = pages.map((p) => p.id);
+    const accessibleIds = await this.pagePermissionRepo.filterAccessiblePageIds(
+      {
+        pageIds,
+        userId,
+        spaceId,
+      },
+    );
+    const accessibleSet = new Set(accessibleIds);
+
+    // Prune: include a page only if it's accessible AND its parent chain to root is included
+    const includedIds = new Set<string>();
+
+    // Process pages in a way that ensures parents are processed before children
+    // We do this by iterating until no more pages can be added
+    let changed = true;
+    while (changed) {
+      changed = false;
+      for (const page of pages) {
+        if (includedIds.has(page.id)) continue;
+        if (!accessibleSet.has(page.id)) continue;
+
+        // Root page: include if accessible
+        if (page.id === rootPageId) {
+          includedIds.add(page.id);
+          changed = true;
+          continue;
+        }
+
+        // Non-root: include if parent is already included
+        if (page.parentPageId && includedIds.has(page.parentPageId)) {
+          includedIds.add(page.id);
+          changed = true;
+        }
+      }
+    }
+
+    return pages.filter((p) => includedIds.has(p.id));
+  }
 }

apps/server/src/core/search/search.service.ts

@@ -7,6 +7,7 @@ import { sql } from 'kysely';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
 import { ShareRepo } from '@docmost/db/repos/share/share.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 
 // eslint-disable-next-line @typescript-eslint/no-require-imports
 const tsquery = require('pg-tsquery')();
@@ -18,6 +19,7 @@ export class SearchService {
     private pageRepo: PageRepo,
     private shareRepo: ShareRepo,
     private spaceMemberRepo: SpaceMemberRepo,
+    private pagePermissionRepo: PagePermissionRepo,
   ) {}
 
   async searchPage(
@@ -115,10 +117,23 @@ export class SearchService {
     }
 
     //@ts-ignore
-    queryResults = await queryResults.execute();
+    let results: any[] = await queryResults.execute();
+
+    // Filter results by page-level permissions (if user is authenticated)
+    if (opts.userId && results.length > 0) {
+      const pageIds = results.map((r: any) => r.id);
+      const accessibleIds =
+        await this.pagePermissionRepo.filterAccessiblePageIds({
+          pageIds,
+          userId: opts.userId,
+          spaceId: searchParams.spaceId,
+        });
+      const accessibleSet = new Set(accessibleIds);
+      results = results.filter((r: any) => accessibleSet.has(r.id));
+    }
 
     //@ts-ignore
-    const searchResults = queryResults.map((result: SearchResponseDto) => {
+    const searchResults = results.map((result: SearchResponseDto) => {
       if (result.highlight) {
         result.highlight = result.highlight
           .replace(/\r\n|\r|\n/g, ' ')
@@ -207,6 +222,19 @@ export class SearchService {
         pageSearch = pageSearch.where('spaceId', 'in', userSpaceIds);
         pages = await pageSearch.execute();
       }
+
+      // Filter by page-level permissions
+      if (pages.length > 0) {
+        const pageIds = pages.map((p) => p.id);
+        const accessibleIds =
+          await this.pagePermissionRepo.filterAccessiblePageIds({
+            pageIds,
+            userId,
+            spaceId: suggestion?.spaceId,
+          });
+        const accessibleSet = new Set(accessibleIds);
+        pages = pages.filter((p) => accessibleSet.has(p.id));
+      }
     }
 
     return { users, groups, pages };

apps/server/src/core/share/share.controller.ts

@@ -11,12 +11,7 @@ import {
 } from '@nestjs/common';
 import { AuthUser } from '../../common/decorators/auth-user.decorator';
 import { User, Workspace } from '@docmost/db/types/entity.types';
-import {
-  SpaceCaslAction,
-  SpaceCaslSubject,
-} from '../casl/interfaces/space-ability.type';
 import { AuthWorkspace } from '../../common/decorators/auth-workspace.decorator';
-import SpaceAbilityFactory from '../casl/abilities/space-ability.factory';
 import { ShareService } from './share.service';
 import {
   CreateShareDto,
@@ -26,6 +21,8 @@ import {
   UpdateShareDto,
 } from './dto/share.dto';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
+import { PageAccessService } from '../page/page-access/page-access.service';
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
 import { Public } from '../../common/decorators/public.decorator';
 import { ShareRepo } from '@docmost/db/repos/share/share.repo';
@@ -38,9 +35,10 @@ import { hasLicenseOrEE } from '../../common/helpers';
 export class ShareController {
   constructor(
     private readonly shareService: ShareService,
-    private readonly spaceAbility: SpaceAbilityFactory,
     private readonly shareRepo: ShareRepo,
     private readonly pageRepo: PageRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
+    private readonly pageAccessService: PageAccessService,
     private readonly environmentService: EnvironmentService,
   ) {}
 
@@ -119,10 +117,7 @@ export class ShareController {
       throw new NotFoundException('Shared page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Share)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanView(page, user);
 
     return this.shareService.getShareForPage(page.id, workspace.id);
   }
@@ -140,9 +135,17 @@ export class ShareController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Create, SpaceCaslSubject.Share)) {
-      throw new ForbiddenException();
+    // User must be able to edit the page to create a share
+    //TODO: i dont think this is neccessary if we prevent restricted pages from getting shared
+    // rather, use space level permission and workspace/space level sharing restriction
+    await this.pageAccessService.validateCanEdit(page, user);
+
+    // Prevent sharing restricted pages
+    const isRestricted = await this.pagePermissionRepo.hasRestrictedAncestor(
+      page.id,
+    );
+    if (isRestricted) {
+      throw new BadRequestException('Cannot share a restricted page');
     }
 
     const sharingAllowed = await this.shareService.isSharingAllowed(
@@ -170,11 +173,14 @@ export class ShareController {
       throw new NotFoundException('Share not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, share.spaceId);
-    if (ability.cannot(SpaceCaslAction.Edit, SpaceCaslSubject.Share)) {
-      throw new ForbiddenException();
+    const page = await this.pageRepo.findById(share.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
 
+    // User must be able to edit the page to update its share
+    await this.pageAccessService.validateCanEdit(page, user);
+
     return this.shareService.updateShare(share.id, updateShareDto);
   }
 
@@ -187,11 +193,14 @@ export class ShareController {
       throw new NotFoundException('Share not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, share.spaceId);
-    if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Share)) {
-      throw new ForbiddenException();
+    const page = await this.pageRepo.findById(share.pageId);
+    if (!page) {
+      throw new NotFoundException('Page not found');
     }
 
+    // User must be able to edit the page to delete its share
+    await this.pageAccessService.validateCanEdit(page, user);
+
     await this.shareRepo.deleteShare(share.id);
   }
 

apps/server/src/core/share/share.service.ts

@@ -19,6 +19,7 @@ import {
 } from '../../common/helpers/prosemirror/utils';
 import { Node } from '@tiptap/pm/model';
 import { ShareRepo } from '@docmost/db/repos/share/share.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { updateAttachmentAttr } from './share.util';
 import { Page } from '@docmost/db/types/entity.types';
 import { validate as isValidUUID } from 'uuid';
@@ -31,6 +32,7 @@ export class ShareService {
   constructor(
     private readonly shareRepo: ShareRepo,
     private readonly pageRepo: PageRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
     @InjectKysely() private readonly db: KyselyDB,
     private readonly tokenService: TokenService,
   ) {}
@@ -41,12 +43,20 @@ export class ShareService {
       throw new NotFoundException('Share not found');
     }
 
-    if (share.includeSubPages) {
-      const pageList = await this.pageRepo.getPageAndDescendants(share.pageId, {
-        includeContent: false,
-      });
+    const isRestricted =
+      await this.pagePermissionRepo.hasRestrictedAncestor(share.pageId);
+    if (isRestricted) {
+      throw new NotFoundException('Share not found');
+    }
 
-      return { share, pageTree: pageList };
+    if (share.includeSubPages) {
+      const pageTree =
+        await this.pageRepo.getPageAndDescendantsExcludingRestricted(
+          share.pageId,
+          { includeContent: false },
+        );
+
+      return { share, pageTree };
     } else {
       return { share, pageTree: [] };
     }
@@ -112,6 +122,13 @@ export class ShareService {
       throw new NotFoundException('Shared page not found');
     }
 
+    // Block access to restricted pages
+    const isRestricted =
+      await this.pagePermissionRepo.hasRestrictedAncestor(page.id);
+    if (isRestricted) {
+      throw new NotFoundException('Shared page not found');
+    }
+
     page.content = await this.updatePublicAttachments(page);
 
     return { page, share };

apps/server/src/database/database.module.ts

@@ -15,6 +15,7 @@ import { GroupUserRepo } from '@docmost/db/repos/group/group-user.repo';
 import { SpaceRepo } from '@docmost/db/repos/space/space.repo';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
 import { PageRepo } from './repos/page/page.repo';
+import { PagePermissionRepo } from './repos/page/page-permission.repo';
 import { CommentRepo } from './repos/comment/comment.repo';
 import { PageHistoryRepo } from './repos/page/page-history.repo';
 import { AttachmentRepo } from './repos/attachment/attachment.repo';
@@ -76,6 +77,7 @@ import { normalizePostgresUrl } from '../common/helpers';
     SpaceRepo,
     SpaceMemberRepo,
     PageRepo,
+    PagePermissionRepo,
     PageHistoryRepo,
     CommentRepo,
     AttachmentRepo,
@@ -94,6 +96,7 @@ import { normalizePostgresUrl } from '../common/helpers';
     SpaceRepo,
     SpaceMemberRepo,
     PageRepo,
+    PagePermissionRepo,
     PageHistoryRepo,
     CommentRepo,
     AttachmentRepo,

apps/server/src/database/migrations/20260224T233803-page-permissions.ts

@@ -0,0 +1,90 @@
+import { Kysely, sql } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .createTable('page_access')
+    .addColumn('id', 'uuid', (col) =>
+      col.primaryKey().defaultTo(sql`gen_uuid_v7()`),
+    )
+    .addColumn('page_id', 'uuid', (col) =>
+      col.notNull().unique().references('pages.id').onDelete('cascade'),
+    )
+    .addColumn('workspace_id', 'uuid', (col) =>
+      col.notNull().references('workspaces.id').onDelete('cascade'),
+    )
+    .addColumn('space_id', 'uuid', (col) =>
+      col.notNull().references('spaces.id').onDelete('cascade'),
+    )
+    .addColumn('access_level', 'varchar', (col) => col.notNull())
+    .addColumn('creator_id', 'uuid', (col) =>
+      col.references('users.id').onDelete('set null'),
+    )
+    .addColumn('created_at', 'timestamptz', (col) =>
+      col.notNull().defaultTo(sql`now()`),
+    )
+    .addColumn('updated_at', 'timestamptz', (col) =>
+      col.notNull().defaultTo(sql`now()`),
+    )
+    .execute();
+
+  await db.schema
+    .createTable('page_permissions')
+    .addColumn('id', 'uuid', (col) =>
+      col.primaryKey().defaultTo(sql`gen_uuid_v7()`),
+    )
+    .addColumn('page_access_id', 'uuid', (col) =>
+      col.notNull().references('page_access.id').onDelete('cascade'),
+    )
+    .addColumn('user_id', 'uuid', (col) =>
+      col.references('users.id').onDelete('cascade'),
+    )
+    .addColumn('group_id', 'uuid', (col) =>
+      col.references('groups.id').onDelete('cascade'),
+    )
+    .addColumn('role', 'varchar', (col) => col.notNull())
+    .addColumn('added_by_id', 'uuid', (col) =>
+      col.references('users.id').onDelete('set null'),
+    )
+    .addColumn('created_at', 'timestamptz', (col) =>
+      col.notNull().defaultTo(sql`now()`),
+    )
+    .addColumn('updated_at', 'timestamptz', (col) =>
+      col.notNull().defaultTo(sql`now()`),
+    )
+    .addUniqueConstraint('page_access_user_unique', [
+      'page_access_id',
+      'user_id',
+    ])
+    .addUniqueConstraint('page_access_group_unique', [
+      'page_access_id',
+      'group_id',
+    ])
+    .addCheckConstraint(
+      'allow_either_user_id_or_group_id_check',
+      sql`((user_id IS NOT NULL AND group_id IS NULL) OR (user_id IS NULL AND group_id IS NOT NULL))`,
+    )
+    .execute();
+
+  await db.schema
+    .createIndex('idx_page_access_space')
+    .on('page_access')
+    .column('space_id')
+    .execute();
+
+  await db.schema
+    .createIndex('idx_page_permissions_user')
+    .on('page_permissions')
+    .column('user_id')
+    .execute();
+
+  await db.schema
+    .createIndex('idx_page_permissions_group')
+    .on('page_permissions')
+    .column('group_id')
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema.dropTable('page_permissions').ifExists().execute();
+  await db.schema.dropTable('page_access').ifExists().execute();
+}

apps/server/src/database/pagination/cursor-pagination.ts

@@ -306,6 +306,21 @@ export function defaultEncodeCursor<
   return Buffer.from(cursor.toString(), 'utf8').toString('base64url');
 }
 
+export function emptyCursorPaginationResult<T>(
+  limit: number,
+): CursorPaginationResult<T> {
+  return {
+    items: [],
+    meta: {
+      limit,
+      hasNextPage: false,
+      hasPrevPage: false,
+      nextCursor: null,
+      prevCursor: null,
+    },
+  };
+}
+
 export function defaultDecodeCursor<
   DB,
   TB extends keyof DB,

apps/server/src/database/repos/group/group-user.repo.ts

@@ -175,4 +175,14 @@ export class GroupUserRepo {
       .where('groupId', '=', groupId)
       .execute();
   }
+
+  async getUserGroupIds(userId: string): Promise<string[]> {
+    const results = await this.db
+      .selectFrom('groupUsers')
+      .select('groupId')
+      .where('userId', '=', userId)
+      .execute();
+
+    return results.map((r) => r.groupId);
+  }
 }

apps/server/src/database/repos/page/page.repo.ts

@@ -175,11 +175,13 @@ export class PageRepo {
           .selectFrom('pages')
           .select(['id'])
           .where('id', '=', pageId)
+          .where('deletedAt', 'is', null)
           .unionAll((exp) =>
             exp
               .selectFrom('pages as p')
               .select(['p.id'])
-              .innerJoin('page_descendants as pd', 'pd.id', 'p.parentPageId'),
+              .innerJoin('page_descendants as pd', 'pd.id', 'p.parentPageId')
+              .where('p.deletedAt', 'is', null),
           ),
       )
       .selectFrom('page_descendants')
@@ -197,6 +199,7 @@ export class PageRepo {
             deletedAt: currentDate,
           })
           .where('id', 'in', pageIds)
+          .where('deletedAt', 'is', null)
           .execute();
 
         await trx.deleteFrom('shares').where('pageId', 'in', pageIds).execute();
@@ -472,4 +475,75 @@ export class PageRepo {
       .selectAll()
       .execute();
   }
+
+  /**
+   * Get page and all descendants, excluding restricted pages and their subtrees.
+   * More efficient than getPageAndDescendants + filtering because:
+   * 1. Single DB query (no separate restricted IDs query)
+   * 2. Stops traversing at restricted pages (doesn't fetch data to discard)
+   * 3. No in-memory filtering needed
+   */
+  async getPageAndDescendantsExcludingRestricted(
+    parentPageId: string,
+    opts: { includeContent: boolean },
+  ) {
+    return (
+      this.db
+        .withRecursive('page_hierarchy', (db) =>
+          db
+            .selectFrom('pages')
+            .leftJoin('pageAccess', 'pageAccess.pageId', 'pages.id')
+            .select([
+              'pages.id',
+              'pages.slugId',
+              'pages.title',
+              'pages.icon',
+              'pages.position',
+              'pages.parentPageId',
+              'pages.spaceId',
+              'pages.workspaceId',
+              sql<boolean>`page_access.id IS NOT NULL`.as('isRestricted'),
+            ])
+            .$if(opts?.includeContent, (qb) => qb.select('pages.content'))
+            .where('pages.id', '=', parentPageId)
+            .where('pages.deletedAt', 'is', null)
+            .unionAll((exp) =>
+              exp
+                .selectFrom('pages as p')
+                .innerJoin('page_hierarchy as ph', 'p.parentPageId', 'ph.id')
+                .leftJoin('pageAccess', 'pageAccess.pageId', 'p.id')
+                .select([
+                  'p.id',
+                  'p.slugId',
+                  'p.title',
+                  'p.icon',
+                  'p.position',
+                  'p.parentPageId',
+                  'p.spaceId',
+                  'p.workspaceId',
+                  sql<boolean>`page_access.id IS NOT NULL`.as('isRestricted'),
+                ])
+                .$if(opts?.includeContent, (qb) => qb.select('p.content'))
+                .where('p.deletedAt', 'is', null)
+                // Only recurse into children of non-restricted pages
+                .where('ph.isRestricted', '=', false),
+            ),
+        )
+        .selectFrom('page_hierarchy')
+        .select([
+          'id',
+          'slugId',
+          'title',
+          'icon',
+          'position',
+          'parentPageId',
+          'spaceId',
+          'workspaceId',
+        ])
+        .$if(opts?.includeContent, (qb) => qb.select('content'))
+        // Filter out restricted pages from the result
+        .where('isRestricted', '=', false)
+        .execute()
+    );
+  }
 }

apps/server/src/database/repos/page/types/page-permission.types.ts

@@ -0,0 +1,23 @@
+type PagePermissionUserMember = {
+  id: string;
+  name: string;
+  email: string;
+  avatarUrl: string | null;
+  type: 'user';
+  role: string;
+  createdAt: Date;
+};
+
+type PagePermissionGroupMember = {
+  id: string;
+  name: string;
+  memberCount: number;
+  isDefault: boolean;
+  type: 'group';
+  role: string;
+  createdAt: Date;
+};
+
+export type PagePermissionMember =
+  | PagePermissionUserMember
+  | PagePermissionGroupMember;

apps/server/src/database/types/db.d.ts

@@ -390,6 +390,28 @@ export interface Watchers {
   createdAt: Generated<Timestamp>;
 }
 
+export interface PageAccess {
+  id: Generated<string>;
+  pageId: string;
+  workspaceId: string;
+  spaceId: string;
+  accessLevel: string;
+  creatorId: string | null;
+  createdAt: Generated<Timestamp>;
+  updatedAt: Generated<Timestamp>;
+}
+
+export interface PagePermissions {
+  id: Generated<string>;
+  pageAccessId: string;
+  userId: string | null;
+  groupId: string | null;
+  role: string;
+  addedById: string | null;
+  createdAt: Generated<Timestamp>;
+  updatedAt: Generated<Timestamp>;
+}
+
 export interface DB {
   apiKeys: ApiKeys;
   attachments: Attachments;
@@ -402,7 +424,10 @@ export interface DB {
   groups: Groups;
   groupUsers: GroupUsers;
   notifications: Notifications;
+  pageAccess: PageAccess;
+  pageHierarchy: PageHierarchy;
   pageHistory: PageHistory;
+  pagePermissions: PagePermissions;
   pages: Pages;
   shares: Shares;
   spaceMembers: SpaceMembers;

apps/server/src/database/types/entity.types.ts

@@ -4,6 +4,8 @@ import {
   Comments,
   Groups,
   Notifications,
+  PageAccess as _PageAccess,
+  PagePermissions as _PagePermissions,
   Pages,
   Spaces,
   Users,
@@ -143,3 +145,13 @@ export type UpdatableNotification = Updateable<Omit<Notifications, 'id'>>;
 export type Watcher = Selectable<Watchers>;
 export type InsertableWatcher = Insertable<Watchers>;
 export type UpdatableWatcher = Updateable<Omit<Watchers, 'id'>>;
+
+// Page Access
+export type PageAccess = Selectable<_PageAccess>;
+export type InsertablePageAccess = Insertable<_PageAccess>;
+export type UpdatablePageAccess = Updateable<Omit<_PageAccess, 'id'>>;
+
+// Page Permission
+export type PagePermission = Selectable<_PagePermissions>;
+export type InsertablePagePermission = Insertable<_PagePermissions>;
+export type UpdatablePagePermission = Updateable<Omit<_PagePermissions, 'id'>>;

apps/server/src/integrations/export/export.controller.ts

@@ -16,6 +16,7 @@ import { User } from '@docmost/db/types/entity.types';
 import SpaceAbilityFactory from '../../core/casl/abilities/space-ability.factory';
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
+import { PageAccessService } from '../../core/page/page-access/page-access.service';
 import {
   SpaceCaslAction,
   SpaceCaslSubject,
@@ -32,6 +33,7 @@ export class ExportController {
     private readonly exportService: ExportService,
     private readonly pageRepo: PageRepo,
     private readonly spaceAbility: SpaceAbilityFactory,
+    private readonly pageAccessService: PageAccessService,
   ) {}
 
   @UseGuards(JwtAuthGuard)
@@ -50,16 +52,14 @@ export class ExportController {
       throw new NotFoundException('Page not found');
     }
 
-    const ability = await this.spaceAbility.createForUser(user, page.spaceId);
-    if (ability.cannot(SpaceCaslAction.Read, SpaceCaslSubject.Page)) {
-      throw new ForbiddenException();
-    }
+    await this.pageAccessService.validateCanView(page, user);
 
     const zipFileStream = await this.exportService.exportPages(
       dto.pageId,
       dto.format,
       dto.includeAttachments,
       dto.includeChildren,
+      user.id,
     );
 
     const fileName = sanitize(page.title || 'untitled') + '.zip';
@@ -82,7 +82,7 @@ export class ExportController {
     @Res() res: FastifyReply,
   ) {
     const ability = await this.spaceAbility.createForUser(user, dto.spaceId);
-    if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Page)) {
+    if (ability.cannot(SpaceCaslAction.Manage, SpaceCaslSubject.Settings)) {
       throw new ForbiddenException();
     }
 
@@ -90,6 +90,7 @@ export class ExportController {
       dto.spaceId,
       dto.format,
       dto.includeAttachments,
+      user.id,
     );
 
     res.headers({

apps/server/src/integrations/export/export.service.ts

@@ -25,6 +25,7 @@ import {
   ExportPageMetadata,
 } from '../../common/helpers/types/export-metadata.types';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
 import { Node } from '@tiptap/pm/model';
 import { EditorState } from '@tiptap/pm/state';
 // eslint-disable-next-line @typescript-eslint/no-require-imports
@@ -44,6 +45,7 @@ export class ExportService {
 
   constructor(
     private readonly pageRepo: PageRepo,
+    private readonly pagePermissionRepo: PagePermissionRepo,
     @InjectKysely() private readonly db: KyselyDB,
     private readonly storageService: StorageService,
     private readonly environmentService: EnvironmentService,
@@ -100,6 +102,8 @@ export class ExportService {
     format: string,
     includeAttachments: boolean,
     includeChildren: boolean,
+    userId?: string,
+    ignorePermissions = false,
   ) {
     let pages: Page[];
 
@@ -113,7 +117,7 @@ export class ExportService {
       const page = await this.pageRepo.findById(pageId, {
         includeContent: true,
       });
-      if (page){
+      if (page) {
         pages = [page];
       }
     }
@@ -122,14 +126,38 @@ export class ExportService {
       throw new BadRequestException('No pages to export');
     }
 
+    if (!ignorePermissions && userId) {
+      pages = await this.filterPagesForExport(
+        pages,
+        pageId,
+        userId,
+        pages[0].spaceId,
+      );
+      if (pages.length === 0) {
+        throw new BadRequestException('No accessible pages to export');
+      }
+    }
+
     const parentPageIndex = pages.findIndex((obj) => obj.id === pageId);
+
+    //After filtering by permissions, if the root page itself is not accessible to the user, findIndex returns -1
+    if (parentPageIndex === -1) {
+      throw new BadRequestException('Root page is not accessible');
+    }
     // set to null to make export of pages with parentId work
     pages[parentPageIndex].parentPageId = null;
 
     const tree = buildTree(pages as Page[]);
 
     const zip = new JSZip();
-    await this.zipPages(tree, format, zip, includeAttachments);
+    await this.zipPages(
+      tree,
+      format,
+      zip,
+      includeAttachments,
+      userId,
+      ignorePermissions,
+    );
 
     const zipFile = zip.generateNodeStream({
       type: 'nodebuffer',
@@ -144,10 +172,12 @@ export class ExportService {
     spaceId: string,
     format: string,
     includeAttachments: boolean,
+    userId?: string,
+    ignorePermissions = false,
   ) {
     const space = await this.db
       .selectFrom('spaces')
-      .selectAll()
+      .select(['id', 'name'])
       .where('id', '=', spaceId)
       .executeTakeFirst();
 
@@ -155,7 +185,7 @@ export class ExportService {
       throw new NotFoundException('Space not found');
     }
 
-    const pages = await this.db
+    let pages = await this.db
       .selectFrom('pages')
       .select([
         'pages.id',
@@ -174,11 +204,30 @@ export class ExportService {
       .where('deletedAt', 'is', null)
       .execute();
 
+    if (!ignorePermissions && userId) {
+      pages = await this.filterPagesForExport(
+        pages as Page[],
+        null,
+        userId,
+        spaceId,
+      );
+      if (pages.length === 0) {
+        throw new BadRequestException('No accessible pages to export');
+      }
+    }
+
     const tree = buildTree(pages as Page[]);
 
     const zip = new JSZip();
 
-    await this.zipPages(tree, format, zip, includeAttachments);
+    await this.zipPages(
+      tree,
+      format,
+      zip,
+      includeAttachments,
+      userId,
+      ignorePermissions,
+    );
 
     const zipFile = zip.generateNodeStream({
       type: 'nodebuffer',
@@ -198,6 +247,8 @@ export class ExportService {
     format: string,
     zip: JSZip,
     includeAttachments: boolean,
+    userId?: string,
+    ignorePermissions = false,
   ): Promise<void> {
     const slugIdToPath: Record<string, string> = {};
     const pageIdToFilePath: Record<string, string> = {};
@@ -219,6 +270,8 @@ export class ExportService {
         const prosemirrorJson = await this.turnPageMentionsToLinks(
           getProsemirrorContent(page.content),
           page.workspaceId,
+          userId,
+          ignorePermissions,
         );
 
         const currentPagePath = slugIdToPath[page.slugId];
@@ -303,10 +356,15 @@ export class ExportService {
     }
   }
 
-  async turnPageMentionsToLinks(prosemirrorJson: any, workspaceId: string) {
+  async turnPageMentionsToLinks(
+    prosemirrorJson: any,
+    workspaceId: string,
+    userId?: string,
+    ignorePermissions = false,
+  ) {
     const doc = jsonToNode(prosemirrorJson);
 
-    const pageMentionIds = [];
+    let pageMentionIds: string[] = [];
 
     doc.descendants((node: Node) => {
       if (node.type.name === 'mention' && node.attrs.entityType === 'page') {
@@ -320,13 +378,31 @@ export class ExportService {
       return prosemirrorJson;
     }
 
-    const pages = await this.db
-      .selectFrom('pages')
-      .select(['id', 'slugId', 'title', 'creatorId', 'spaceId', 'workspaceId'])
-      .select((eb) => this.pageRepo.withSpace(eb))
-      .where('id', 'in', pageMentionIds)
-      .where('workspaceId', '=', workspaceId)
-      .execute();
+    // Filter to only accessible pages if permissions are enforced
+    if (!ignorePermissions && userId) {
+      pageMentionIds = await this.pagePermissionRepo.filterAccessiblePageIds({
+        pageIds: pageMentionIds,
+        userId,
+      });
+    }
+
+    const pages =
+      pageMentionIds.length > 0
+        ? await this.db
+            .selectFrom('pages')
+            .select([
+              'id',
+              'slugId',
+              'title',
+              'creatorId',
+              'spaceId',
+              'workspaceId',
+            ])
+            .select((eb) => this.pageRepo.withSpace(eb))
+            .where('id', 'in', pageMentionIds)
+            .where('workspaceId', '=', workspaceId)
+            .execute()
+        : [];
 
     const pageMap = new Map(pages.map((page) => [page.id, page]));
 
@@ -398,4 +474,52 @@ export class ExportService {
 
     return updatedDoc.toJSON();
   }
+
+  private async filterPagesForExport(
+    pages: Page[],
+    rootPageId: string | null,
+    userId: string,
+    spaceId: string,
+  ): Promise<Page[]> {
+    if (pages.length === 0) return [];
+
+    const pageIds = pages.map((p) => p.id);
+    const accessibleIds = await this.pagePermissionRepo.filterAccessiblePageIds(
+      {
+        pageIds,
+        userId,
+        spaceId,
+      },
+    );
+    const accessibleSet = new Set(accessibleIds);
+
+    const includedIds = new Set<string>();
+
+    let changed = true;
+    while (changed) {
+      changed = false;
+      for (const page of pages) {
+        if (includedIds.has(page.id)) continue;
+        if (!accessibleSet.has(page.id)) continue;
+
+        // Root page or top-level page in space export
+        if (
+          page.id === rootPageId ||
+          (rootPageId === null && page.parentPageId === null)
+        ) {
+          includedIds.add(page.id);
+          changed = true;
+          continue;
+        }
+
+        // Non-root: include if parent is already included
+        if (page.parentPageId && includedIds.has(page.parentPageId)) {
+          includedIds.add(page.id);
+          changed = true;
+        }
+      }
+    }
+
+    return pages.filter((p) => includedIds.has(p.id));
+  }
 }

apps/server/src/integrations/queue/constants/queue.constants.ts

@@ -67,4 +67,5 @@ export enum QueueJob {
   COMMENT_NOTIFICATION = 'comment-notification',
   COMMENT_RESOLVED_NOTIFICATION = 'comment-resolved-notification',
   PAGE_MENTION_NOTIFICATION = 'page-mention-notification',
+  PAGE_PERMISSION_GRANTED = 'page-permission-granted',
 }

apps/server/src/integrations/queue/constants/queue.interface.ts

@@ -1,5 +1,4 @@
-import { MentionNode } from "../../../common/helpers/prosemirror/utils";
-
+import { MentionNode } from '../../../common/helpers/prosemirror/utils';
 
 export interface IPageBacklinkJob {
   pageId: string;
@@ -60,3 +59,12 @@ export interface IPageMentionNotificationJob {
   spaceId: string;
   workspaceId: string;
 }
+
+export interface IPermissionGrantedNotificationJob {
+  userIds: string[];
+  pageId: string;
+  spaceId: string;
+  workspaceId: string;
+  actorId: string;
+  role: string;
+}

apps/server/src/integrations/transactional/emails/permission-granted-email.tsx

@@ -0,0 +1,45 @@
+import { Section, Text, Button } from '@react-email/components';
+import * as React from 'react';
+import { button, content, paragraph } from '../css/styles';
+import { MailBody } from '../partials/partials';
+
+interface Props {
+  actorName: string;
+  pageTitle: string;
+  pageUrl: string;
+  accessLabel: string;
+}
+
+export const PermissionGrantedEmail = ({
+  actorName,
+  pageTitle,
+  pageUrl,
+  accessLabel,
+}: Props) => {
+  return (
+    <MailBody>
+      <Section style={content}>
+        <Text style={paragraph}>Hi there,</Text>
+        <Text style={paragraph}>
+          <strong>{actorName}</strong> gave you {accessLabel} access to{' '}
+          <strong>{pageTitle}</strong>.
+        </Text>
+      </Section>
+      <Section
+        style={{
+          display: 'flex',
+          justifyContent: 'center',
+          alignItems: 'center',
+          paddingLeft: '15px',
+          paddingBottom: '15px',
+        }}
+      >
+        <Button href={pageUrl} style={button}>
+          View
+        </Button>
+      </Section>
+    </MailBody>
+  );
+};
+
+export default PermissionGrantedEmail;

apps/server/src/ws/ws-tree.service.ts

@@ -0,0 +1,47 @@
+import { Injectable } from '@nestjs/common';
+import { Page } from '@docmost/db/types/entity.types';
+import { WsService } from './ws.service';
+
+@Injectable()
+export class WsTreeService {
+  constructor(private readonly wsService: WsService) {}
+
+  async notifyPageRestricted(page: Page, excludeUserId: string): Promise<void> {
+    await this.wsService.emitToSpaceExceptUsers(page.spaceId, [excludeUserId], {
+      operation: 'deleteTreeNode',
+      spaceId: page.spaceId,
+      payload: {
+        node: {
+          id: page.id,
+          slugId: page.slugId,
+        },
+      },
+    });
+  }
+
+  async notifyPermissionGranted(page: Page, userIds: string[]): Promise<void> {
+    if (userIds.length === 0) return;
+
+    await this.wsService.emitToUsers(userIds, {
+      operation: 'addTreeNode',
+      spaceId: page.spaceId,
+      payload: {
+        parentId: page.parentPageId ?? null,
+        index: 0,
+        data: {
+          id: page.id,
+          slugId: page.slugId,
+          name: page.title ?? '',
+          title: page.title,
+          icon: page.icon,
+          position: page.position,
+          spaceId: page.spaceId,
+          parentPageId: page.parentPageId,
+          creatorId: page.creatorId,
+          hasChildren: false,
+          children: [],
+        },
+      },
+    });
+  }
+}

apps/server/src/ws/ws.gateway.ts

@@ -1,6 +1,7 @@
 import {
   MessageBody,
   OnGatewayConnection,
+  OnGatewayInit,
   SubscribeMessage,
   WebSocketGateway,
   WebSocketServer,
@@ -10,20 +11,30 @@ import { TokenService } from '../core/auth/services/token.service';
 import { JwtPayload, JwtType } from '../core/auth/dto/jwt-payload';
 import { OnModuleDestroy } from '@nestjs/common';
 import { SpaceMemberRepo } from '@docmost/db/repos/space/space-member.repo';
+import { WsService } from './ws.service';
+import { getSpaceRoomName, getUserRoomName } from './ws.utils';
 import * as cookie from 'cookie';
 
 @WebSocketGateway({
   cors: { origin: '*' },
   transports: ['websocket'],
 })
-export class WsGateway implements OnGatewayConnection, OnModuleDestroy {
+export class WsGateway
+  implements OnGatewayConnection, OnGatewayInit, OnModuleDestroy
+{
   @WebSocketServer()
   server: Server;
+
   constructor(
     private tokenService: TokenService,
     private spaceMemberRepo: SpaceMemberRepo,
+    private wsService: WsService,
   ) {}
 
+  afterInit(server: Server): void {
+    this.wsService.setServer(server);
+  }
+
   async handleConnection(client: Socket, ...args: any[]): Promise<void> {
     try {
       const cookies = cookie.parse(client.handshake.headers.cookie);
@@ -35,11 +46,13 @@ export class WsGateway implements OnGatewayConnection, OnModuleDestroy {
       const userId = token.sub;
       const workspaceId = token.workspaceId;
 
+      client.data.userId = userId;
+
       const userSpaceIds = await this.spaceMemberRepo.getUserSpaceIds(userId);
 
-      const userRoom = `user-${userId}`;
+      const userRoom = getUserRoomName(userId);
       const workspaceRoom = `workspace-${workspaceId}`;
-      const spaceRooms = userSpaceIds.map((id) => this.getSpaceRoomName(id));
+      const spaceRooms = userSpaceIds.map((id) => getSpaceRoomName(id));
 
       client.join([userRoom, workspaceRoom, ...spaceRooms]);
     } catch (err) {
@@ -49,17 +62,9 @@ export class WsGateway implements OnGatewayConnection, OnModuleDestroy {
   }
 
   @SubscribeMessage('message')
-  handleMessage(client: Socket, data: any): void {
-    const spaceEvents = [
-      'updateOne',
-      'addTreeNode',
-      'moveTreeNode',
-      'deleteTreeNode',
-    ];
-
-    if (spaceEvents.includes(data?.operation) && data?.spaceId) {
-      const room = this.getSpaceRoomName(data.spaceId);
-      client.broadcast.to(room).emit('message', data);
+  async handleMessage(client: Socket, data: any): Promise<void> {
+    if (this.wsService.isTreeEvent(data)) {
+      await this.wsService.handleTreeEvent(client, data);
       return;
     }
 
@@ -82,8 +87,4 @@ export class WsGateway implements OnGatewayConnection, OnModuleDestroy {
       this.server.close();
     }
   }
-
-  getSpaceRoomName(spaceId: string): string {
-    return `space-${spaceId}`;
-  }
 }

apps/server/src/ws/ws.module.ts

@@ -1,10 +1,13 @@
-import { Module } from '@nestjs/common';
+import { Global, Module } from '@nestjs/common';
 import { WsGateway } from './ws.gateway';
+import { WsService } from './ws.service';
+import { WsTreeService } from './ws-tree.service';
 import { TokenModule } from '../core/auth/token.module';
 
+@Global()
 @Module({
   imports: [TokenModule],
-  providers: [WsGateway],
-  exports: [WsGateway],
+  providers: [WsGateway, WsService, WsTreeService],
+  exports: [WsGateway, WsService, WsTreeService],
 })
 export class WsModule {}

apps/server/src/ws/ws.service.ts

@@ -0,0 +1,157 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { CACHE_MANAGER } from '@nestjs/cache-manager';
+import { Cache } from 'cache-manager';
+import { Server, Socket } from 'socket.io';
+import { PagePermissionRepo } from '@docmost/db/repos/page/page-permission.repo';
+import {
+  TREE_EVENTS,
+  WS_SPACE_RESTRICTION_CACHE_PREFIX,
+  WS_CACHE_TTL_MS,
+  getSpaceRoomName,
+  getUserRoomName,
+} from './ws.utils';
+
+@Injectable()
+export class WsService {
+  private server: Server;
+
+  constructor(
+    private readonly pagePermissionRepo: PagePermissionRepo,
+    @Inject(CACHE_MANAGER) private readonly cacheManager: Cache,
+  ) {}
+
+  setServer(server: Server): void {
+    this.server = server;
+  }
+
+  async handleTreeEvent(client: Socket, data: any): Promise<void> {
+    const room = getSpaceRoomName(data.spaceId);
+
+    const hasRestrictions = await this.spaceHasRestrictions(data.spaceId);
+    if (!hasRestrictions) {
+      client.broadcast.to(room).emit('message', data);
+      return;
+    }
+
+    const pageId = this.extractPageId(data);
+    if (!pageId) {
+      client.broadcast.to(room).emit('message', data);
+      return;
+    }
+
+    const isRestricted =
+      await this.pagePermissionRepo.hasRestrictedAncestor(pageId);
+    if (!isRestricted) {
+      client.broadcast.to(room).emit('message', data);
+      return;
+    }
+
+    await this.broadcastToAuthorizedUsers(client, room, pageId, data);
+  }
+
+  async invalidateSpaceRestrictionCache(spaceId: string): Promise<void> {
+    await this.cacheManager.del(
+      `${WS_SPACE_RESTRICTION_CACHE_PREFIX}${spaceId}`,
+    );
+  }
+
+  async emitToUsers(userIds: string[], data: any): Promise<void> {
+    if (userIds.length === 0) return;
+    const rooms = userIds.map((id) => getUserRoomName(id));
+    this.server.to(rooms).emit('message', data);
+  }
+
+  async emitToSpaceExceptUsers(
+    spaceId: string,
+    excludeUserIds: string[],
+    data: any,
+  ): Promise<void> {
+    const room = getSpaceRoomName(spaceId);
+    const sockets = await this.server.in(room).fetchSockets();
+    const excludeSet = new Set(excludeUserIds);
+
+    for (const socket of sockets) {
+      const userId = socket.data.userId as string;
+      if (userId && !excludeSet.has(userId)) {
+        socket.emit('message', data);
+      }
+    }
+  }
+
+  isTreeEvent(data: any): boolean {
+    return TREE_EVENTS.has(data?.operation) && !!data?.spaceId;
+  }
+
+  private async broadcastToAuthorizedUsers(
+    sender: Socket,
+    room: string,
+    pageId: string,
+    data: any,
+  ): Promise<void> {
+    const sockets = await this.server.in(room).fetchSockets();
+
+    const otherSockets = sockets.filter((s) => s.id !== sender.id);
+    if (otherSockets.length === 0) return;
+
+    const userSocketMap = new Map<string, typeof otherSockets>();
+    for (const socket of otherSockets) {
+      const userId = socket.data.userId as string;
+      if (!userId) continue;
+      const existing = userSocketMap.get(userId);
+      if (existing) {
+        existing.push(socket);
+      } else {
+        userSocketMap.set(userId, [socket]);
+      }
+    }
+
+    const candidateUserIds = Array.from(userSocketMap.keys());
+    if (candidateUserIds.length === 0) return;
+
+    const authorizedUserIds =
+      await this.pagePermissionRepo.getUserIdsWithPageAccess(
+        pageId,
+        candidateUserIds,
+      );
+
+    const authorizedSet = new Set(authorizedUserIds);
+    for (const [userId, userSockets] of userSocketMap) {
+      if (authorizedSet.has(userId)) {
+        for (const socket of userSockets) {
+          socket.emit('message', data);
+        }
+      }
+    }
+  }
+
+  private async spaceHasRestrictions(spaceId: string): Promise<boolean> {
+    const cacheKey = `${WS_SPACE_RESTRICTION_CACHE_PREFIX}${spaceId}`;
+
+    const cached = await this.cacheManager.get<boolean>(cacheKey);
+    if (cached !== undefined && cached !== null) {
+      return cached;
+    }
+
+    const hasRestrictions =
+      await this.pagePermissionRepo.hasRestrictedPagesInSpace(spaceId);
+
+    await this.cacheManager.set(cacheKey, hasRestrictions, WS_CACHE_TTL_MS);
+
+    return hasRestrictions;
+  }
+
+  private extractPageId(data: any): string | null {
+    switch (data.operation) {
+      case 'addTreeNode':
+        return data.payload?.data?.id ?? null;
+      case 'moveTreeNode':
+        return data.payload?.id ?? null;
+      case 'deleteTreeNode':
+        return data.payload?.node?.id ?? null;
+      case 'updateOne':
+        return data.id ?? null;
+      default:
+        return null;
+    }
+  }
+}

apps/server/src/ws/ws.utils.ts

@@ -0,0 +1,17 @@
+export const WS_CACHE_TTL_MS = 30_000;
+export const WS_SPACE_RESTRICTION_CACHE_PREFIX = 'ws:space-restrictions:';
+
+export function getSpaceRoomName(spaceId: string): string {
+  return `space-${spaceId}`;
+}
+
+export function getUserRoomName(userId: string): string {
+  return `user-${userId}`;
+}
+
+export const TREE_EVENTS = new Set([
+  'updateOne',
+  'addTreeNode',
+  'moveTreeNode',
+  'deleteTreeNode',
+]);