mirror of
1
Fork 0
gotosocial/internal/api/security/flocblock.go

32 lines
1.3 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package security
import "github.com/gin-gonic/gin"
// FlocBlock is a middleware that prevents google chrome cohort tracking by
// writing the Permissions-Policy header after all other parts of the request
// have been completed. Floc was replaced by Topics in 2022 and the spec says
// that interest-cohort will also block Topics (as of 2022-Nov).
// See: https://smartframe.io/blog/google-topics-api-everything-you-need-to-know
// See: https://github.com/patcg-individual-drafts/topics
func (m *Module) FlocBlock(c *gin.Context) {
c.Header("Permissions-Policy", "browsing-topics=()")
}