fix: grant limited-org unit read access to authenticated non-members (#38871)

Fixes #38870

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/organization/org.go

@@ -140,10 +140,6 @@ func (org *Organization) GetMembers(ctx context.Context, doer *user_model.User)
 
 // HasMemberWithUserID returns true if user with userID is part of the u organisation.
 func (org *Organization) HasMemberWithUserID(ctx context.Context, userID int64) bool {
-	return org.hasMemberWithUserID(ctx, userID)
-}
-
-func (org *Organization) hasMemberWithUserID(ctx context.Context, userID int64) bool {
 	isMember, err := IsOrganizationMember(ctx, org.ID, userID)
 	if err != nil {
 		log.Error("IsOrganizationMember: %v", err)
@@ -303,7 +299,7 @@ func (org *Organization) AnyRepoUnitPermission(ctx context.Context, doer *user_m
 		}
 	}
 
-	if org.Visibility.IsPublic() {
+	if ownerVisibilitySatisfiesDoer(org.AsUser(), doer) {
 		return perm.AccessModeRead
 	}
 
@@ -445,8 +441,7 @@ func GetUsersWhoCanCreateOrgRepo(ctx context.Context, orgID int64) (map[int64]*u
 		And("team_user.org_id = ?", orgID).Find(&users)
 }
 
-// HasOrgOrUserVisible tells if the given user can see the given org or user
+func ownerVisibilitySatisfiesDoer(orgOrUser, user *user_model.User) bool {
-func HasOrgOrUserVisible(ctx context.Context, orgOrUser, user *user_model.User) bool {
 	// If user is nil, it's an anonymous user/request.
 	// The Ghost user is handled like an anonymous user.
 	if user == nil || user.IsGhost() {
@@ -461,18 +456,17 @@ func HasOrgOrUserVisible(ctx context.Context, orgOrUser, user *user_model.User)
 		return true
 	}
 
-	if (orgOrUser.Visibility == structs.VisibleTypePrivate || user.IsRestricted) && !OrgFromUser(orgOrUser).hasMemberWithUserID(ctx, user.ID) {
+	return orgOrUser.Visibility != structs.VisibleTypePrivate && !user.IsRestricted
-		return false
+}
-	}
+
-	return true
+// HasOrgOrUserVisible tells if the given user can see the given org or user
+func HasOrgOrUserVisible(ctx context.Context, owner, doer *user_model.User) bool {
+	return ownerVisibilitySatisfiesDoer(owner, doer) ||
+		(doer != nil && OrgFromUser(owner).HasMemberWithUserID(ctx, doer.ID))
 }
 
 // HasOrgsVisible tells if the given user can see at least one of the orgs provided
 func HasOrgsVisible(ctx context.Context, orgs []*Organization, user *user_model.User) bool {
-	if len(orgs) == 0 {
-		return false
-	}
-
 	for _, org := range orgs {
 		if HasOrgOrUserVisible(ctx, org.AsUser(), user) {
 			return true

models/organization/org_test.go

@@ -10,7 +10,9 @@ import (
 
 	"gitea.dev/models/db"
 	"gitea.dev/models/organization"
+	"gitea.dev/models/perm"
 	repo_model "gitea.dev/models/repo"
+	"gitea.dev/models/unit"
 	"gitea.dev/models/unittest"
 	user_model "gitea.dev/models/user"
 	"gitea.dev/modules/setting"
@@ -626,3 +628,10 @@ func TestCreateOrganization4(t *testing.T) {
 	assert.True(t, db.IsErrNameReserved(err))
 	unittest.CheckConsistencyFor(t, &organization.Organization{}, &organization.Team{})
 }
+
+func TestOrAnyRepoUnitPermission(t *testing.T) {
+	defer test.MockVariableValue(&setting.Service.RequireSignInViewStrict, true)()
+	org := organization.Organization{Visibility: structs.VisibleTypeLimited}
+	assert.Equal(t, perm.AccessModeNone, org.AnyRepoUnitPermission(t.Context(), nil, unit.TypeWiki))
+	assert.Equal(t, perm.AccessModeRead, org.AnyRepoUnitPermission(t.Context(), &user_model.User{}, unit.TypeWiki))
+}

routers/web/web.go

@@ -441,19 +441,13 @@ func registerWebRoutes(m *web.Router, webAuth *AuthMiddleware) {
 		}
 	}
 
-	reqUnitAccess := func(unitType unit.Type, accessMode perm.AccessMode, ignoreGlobal bool) func(ctx *context.Context) {
+	reqAnyRepoUnitAccess := func(unitType unit.Type, accessMode perm.AccessMode, ignoreGlobal bool) func(ctx *context.Context) {
 		return func(ctx *context.Context) {
 			// only check global disabled units when ignoreGlobal is false
 			if !ignoreGlobal && unitType.UnitGlobalDisabled() {
 				ctx.NotFound(nil)
 				return
 			}
-
-			if ctx.ContextUser == nil {
-				ctx.NotFound(nil)
-				return
-			}
-
 			if ctx.ContextUser.IsOrganization() {
 				if ctx.Org.Organization.AnyRepoUnitPermission(ctx, ctx.Doer, unitType) < accessMode {
 					ctx.NotFound(nil)
@@ -1125,7 +1119,7 @@ func registerWebRoutes(m *web.Router, webAuth *AuthMiddleware) {
 		}
 
 		// at the moment, only editing "owner-level projects" need to "mention", maybe in the future we can relax the permission check
-		m.Get("/mentions-in-owner", reqUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), org.GetMentionsInOwner)
+		m.Get("/mentions-in-owner", reqAnyRepoUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), org.GetMentionsInOwner)
 
 		m.Get("/repositories", org.Repositories)
 		m.Get("/heatmap", user.DashboardHeatmap)
@@ -1134,7 +1128,7 @@ func registerWebRoutes(m *web.Router, webAuth *AuthMiddleware) {
 			m.Group("", func() {
 				m.Get("", org.Projects)
 				m.Get("/{id}", org.ViewProject)
-			}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true))
+			}, reqAnyRepoUnitAccess(unit.TypeProjects, perm.AccessModeRead, true))
 			m.Group("", func() {
 				m.Get("/new", org.RenderNewProject)
 				m.Post("/new", web.Bind[*forms.CreateProjectForm](), org.NewProjectPost)
@@ -1147,17 +1141,17 @@ func registerWebRoutes(m *web.Router, webAuth *AuthMiddleware) {
 
 					addProjectBoardRoutes(m)
 				})
-			}, reqSignIn, reqUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), func(ctx *context.Context) {
+			}, reqSignIn, reqAnyRepoUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), func(ctx *context.Context) {
 				if ctx.ContextUser.IsIndividual() && ctx.ContextUser.ID != ctx.Doer.ID {
 					ctx.NotFound(nil)
 					return
 				}
 			})
-		}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true), individualPermsChecker)
+		}, reqAnyRepoUnitAccess(unit.TypeProjects, perm.AccessModeRead, true), individualPermsChecker)
 
 		m.Group("", func() {
 			m.Get("/code", user.CodeSearch)
-		}, reqUnitAccess(unit.TypeCode, perm.AccessModeRead, false), individualPermsChecker)
+		}, reqAnyRepoUnitAccess(unit.TypeCode, perm.AccessModeRead, false), individualPermsChecker)
 	}, optSignIn, context.UserAssignmentWeb(), context.OrgAssignment(context.OrgAssignmentOptions{}))
 	// end "/{username}/-": packages, projects, code