gotosocial/internal/api/activitypub.go

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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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 api
import (
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/api/activitypub/emoji"
"github.com/superseriousbusiness/gotosocial/internal/api/activitypub/publickey"
"github.com/superseriousbusiness/gotosocial/internal/api/activitypub/users"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/middleware"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
)
type ActivityPub struct {
emoji *emoji.Module
users *users.Module
publicKey *publickey.Module
signatureCheckMiddleware gin.HandlerFunc
}
func (a *ActivityPub) Route(r router.Router, m ...gin.HandlerFunc) {
// create groupings for the 'emoji' and 'users' prefixes
emojiGroup := r.AttachGroup("emoji")
usersGroup := r.AttachGroup("users")
// attach shared, non-global middlewares to both of these groups
ccMiddleware := middleware.CacheControl(middleware.CacheControlConfig{
Directives: []string{"no-store"},
})
emojiGroup.Use(m...)
usersGroup.Use(m...)
emojiGroup.Use(a.signatureCheckMiddleware, ccMiddleware)
usersGroup.Use(a.signatureCheckMiddleware, ccMiddleware)
a.emoji.Route(emojiGroup.Handle)
a.users.Route(usersGroup.Handle)
}
// Public key endpoint requires different middleware + cache policies from other AP endpoints.
func (a *ActivityPub) RoutePublicKey(r router.Router, m ...gin.HandlerFunc) {
// Create grouping for the 'users/[username]/main-key' prefix.
publicKeyGroup := r.AttachGroup(publickey.PublicKeyPath)
// Attach middleware allowing public cacheing of main-key.
ccMiddleware := middleware.CacheControl(middleware.CacheControlConfig{
Directives: []string{"public", "max-age=604800"},
Vary: []string{"Accept", "Accept-Encoding"},
})
publicKeyGroup.Use(m...)
publicKeyGroup.Use(a.signatureCheckMiddleware, ccMiddleware)
a.publicKey.Route(publicKeyGroup.Handle)
}
func NewActivityPub(db db.DB, p *processing.Processor) *ActivityPub {
return &ActivityPub{
emoji: emoji.New(p),
users: users.New(p),
publicKey: publickey.New(p),
signatureCheckMiddleware: middleware.SignatureCheck(db.IsURIBlocked),
}
}