enable page creation under GRANT_RESTRICTED pages

apps/app/src/server/routes/apiv3/page/index.ts

@@ -661,7 +661,7 @@ module.exports = (crowi) => {
         }
 
         const userRelatedGroups = await pageGrantService.getUserRelatedGroups(user);
-        const isUserGrantedPageAccess = await pageGrantService.isUserGrantedPageAccess(page, user, userRelatedGroups);
+        const isUserGrantedPageAccess = await pageGrantService.isUserGrantedPageAccess(page, user, userRelatedGroups, true);
         if (!isUserGrantedPageAccess) {
           return res.apiv3Err(new ErrorV3('Cannot access page or ancestor.', 'cannot_access_page'), 403);
         }

apps/app/src/server/service/page-grant.ts

@@ -106,7 +106,7 @@ export interface IPageGrantService {
   getUserRelatedGrantedGroups: (page: PageDocument, user) => Promise<IGrantedGroup[]>,
   getUserRelatedGrantedGroupsSyncronously: (userRelatedGroups: PopulatedGrantedGroup[], page: PageDocument) => IGrantedGroup[],
   getNonUserRelatedGrantedGroups: (page: PageDocument, user) => Promise<IGrantedGroup[]>,
-  isUserGrantedPageAccess: (page: PageDocument, user, userRelatedGroups: PopulatedGrantedGroup[]) => boolean,
+  isUserGrantedPageAccess: (page: PageDocument, user, userRelatedGroups: PopulatedGrantedGroup[], allowAnyoneWithTheLink?: boolean) => boolean,
   getPageGroupGrantData: (page: PageDocument, user) => Promise<GroupGrantData>,
   calcApplicableGrantData: (page, user) => Promise<IRecordApplicableGrant>
 }
@@ -789,8 +789,9 @@ class PageGrantService implements IPageGrantService {
   /**
    * Check if user is granted access to page
    */
-  isUserGrantedPageAccess(page: PageDocument, user, userRelatedGroups: PopulatedGrantedGroup[]): boolean {
+  isUserGrantedPageAccess(page: PageDocument, user, userRelatedGroups: PopulatedGrantedGroup[], allowAnyoneWithTheLink = false): boolean {
     if (page.grant === PageGrant.GRANT_PUBLIC) return true;
+    if (page.grant === PageGrant.GRANT_RESTRICTED && allowAnyoneWithTheLink) return true;
     if (page.grant === PageGrant.GRANT_OWNER) return page.grantedUsers?.includes(user._id.toString()) ?? false;
     if (page.grant === PageGrant.GRANT_USER_GROUP) return this.getUserRelatedGrantedGroupsSyncronously(userRelatedGroups, page).length > 0;
     return false;