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collections.go
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/
collections.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package activity
import (
"context"
"github.com/golang/protobuf/proto"
"github.com/pydio/cells/common/log"
"github.com/pydio/cells/common/proto/activity"
"github.com/pydio/cells/common/proto/idm"
"github.com/pydio/cells/common/proto/tree"
"github.com/pydio/cells/common/utils/permissions"
"github.com/pydio/cells/common/views"
)
var (
router *views.RouterEventFilter
)
// CountCollection is a simple container for N activities.
func CountCollection(count int32) (c *activity.Object) {
c = createObject()
c.Type = activity.ObjectType_Collection
c.TotalItems = count
return c
}
// Collection groups activities into a collection.
func Collection(items []*activity.Object) (c *activity.Object) {
c = createObject()
c.Type = activity.ObjectType_Collection
c.Items = items
c.TotalItems = int32(len(items))
return c
}
// Digest builds a digest based on user Claims that are retrieved from the context.
func Digest(ctx context.Context, items []*activity.Object) (*activity.Object, error) {
c := createObject()
c.Type = activity.ObjectType_Digest
accessList, _ := permissions.AccessListFromContextClaims(ctx)
if len(accessList.Workspaces) == 0 {
log.Logger(ctx).Error("no workspaces found while building activity digest")
return c, nil
}
r := getRouter()
grouped := make(map[string]*activity.Object)
for _, workspace := range accessList.Workspaces {
for _, ac := range items {
if ac.Object != nil && ac.Object.Type == activity.ObjectType_Folder || ac.Object.Type == activity.ObjectType_Document {
node := &tree.Node{Uuid: ac.Object.Id, Path: ac.Object.Name}
if filtered, ok := r.WorkspaceCanSeeNode(ctx, accessList, workspace, node); ok {
wsColl := getOrCreateWorkspaceCollection(workspace, grouped)
filteredActivity := proto.Clone(ac).(*activity.Object)
filteredActivity.Object.Name = filtered.Path
// Filter Target Path
if filteredActivity.Target != nil {
targetNode := &tree.Node{Path: filteredActivity.Target.Name, Uuid: filteredActivity.Target.Id}
if targetFiltered, ok2 := r.WorkspaceCanSeeNode(ctx, accessList, workspace, targetNode); ok2 {
filteredActivity.Target.Name = targetFiltered.Path
} else {
filteredActivity.Target = nil
}
}
// Filter Origin Path
if filteredActivity.Origin != nil {
originNode := &tree.Node{Path: filteredActivity.Origin.Name, Uuid: filteredActivity.Origin.Id}
if originFiltered, ok2 := r.WorkspaceCanSeeNode(ctx, accessList, workspace, originNode); ok2 {
filteredActivity.Origin.Name = originFiltered.Path
} else {
filteredActivity.Origin = nil
}
}
wsColl.Items = append(wsColl.Items, filteredActivity)
}
} else if ac.Type == activity.ObjectType_Share && ac.Object.Id == workspace.UUID {
wsColl := getOrCreateWorkspaceCollection(workspace, grouped)
wsColl.Items = append(wsColl.Items, ac)
}
}
}
for _, workspaceCollection := range grouped {
c.Items = append(c.Items, workspaceCollection)
}
c.TotalItems = int32(len(c.Items))
return c, nil
}
// Create a simple activity object with correct JsonLdContext
func createObject() *activity.Object {
return &activity.Object{
JsonLdContext: "https://www.w3.org/ns/activitystreams",
}
}
func getOrCreateWorkspaceCollection(workspace *idm.Workspace, grouped map[string]*activity.Object) *activity.Object {
if wsColl, exists := grouped[workspace.UUID]; exists {
return wsColl
}
wsColl := createObject()
if workspace.Scope == idm.WorkspaceScope_ADMIN {
wsColl.Type = activity.ObjectType_Workspace
} else {
wsColl.Type = activity.ObjectType_Cell
}
wsColl.Id = workspace.UUID
wsColl.Name = workspace.Label
grouped[workspace.UUID] = wsColl
wsColl.Items = []*activity.Object{}
return wsColl
}
func getRouter() *views.RouterEventFilter {
if router == nil {
router = views.NewRouterEventFilter(views.RouterOptions{})
}
return router
}