GoToSocial/internal/processing/account/createfollow.go

117 lines
4.4 KiB
Go

/*
GoToSocial
Copyright (C) 2021 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 account
import (
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
func (p *processor) FollowCreate(requestingAccount *gtsmodel.Account, form *apimodel.AccountFollowRequest) (*apimodel.Relationship, gtserror.WithCode) {
// if there's a block between the accounts we shouldn't create the request ofc
blocked, err := p.db.Blocked(requestingAccount.ID, form.TargetAccountID)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("accountfollowcreate: block exists between accounts"))
}
// make sure the target account actually exists in our db
targetAcct := &gtsmodel.Account{}
if err := p.db.GetByID(form.TargetAccountID, targetAcct); err != nil {
if _, ok := err.(db.ErrNoEntries); ok {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("accountfollowcreate: account %s not found in the db: %s", form.TargetAccountID, err))
}
}
// check if a follow exists already
follows, err := p.db.Follows(requestingAccount, targetAcct)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error checking follow in db: %s", err))
}
if follows {
// already follows so just return the relationship
return p.RelationshipGet(requestingAccount, form.TargetAccountID)
}
// check if a follow exists already
followRequested, err := p.db.FollowRequested(requestingAccount, targetAcct)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error checking follow request in db: %s", err))
}
if followRequested {
// already follow requested so just return the relationship
return p.RelationshipGet(requestingAccount, form.TargetAccountID)
}
// make the follow request
newFollowID, err := id.NewRandomULID()
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
fr := &gtsmodel.FollowRequest{
ID: newFollowID,
AccountID: requestingAccount.ID,
TargetAccountID: form.TargetAccountID,
ShowReblogs: true,
URI: util.GenerateURIForFollow(requestingAccount.Username, p.config.Protocol, p.config.Host, newFollowID),
Notify: false,
}
if form.Reblogs != nil {
fr.ShowReblogs = *form.Reblogs
}
if form.Notify != nil {
fr.Notify = *form.Notify
}
// whack it in the database
if err := p.db.Put(fr); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error creating follow request in db: %s", err))
}
// if it's a local account that's not locked we can just straight up accept the follow request
if !targetAcct.Locked && targetAcct.Domain == "" {
if _, err := p.db.AcceptFollowRequest(requestingAccount.ID, form.TargetAccountID); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error accepting folow request for local unlocked account: %s", err))
}
// return the new relationship
return p.RelationshipGet(requestingAccount, form.TargetAccountID)
}
// otherwise we leave the follow request as it is and we handle the rest of the process asynchronously
p.fromClientAPI <- gtsmodel.FromClientAPI{
APObjectType: gtsmodel.ActivityStreamsFollow,
APActivityType: gtsmodel.ActivityStreamsCreate,
GTSModel: fr,
OriginAccount: requestingAccount,
TargetAccount: targetAcct,
}
// return whatever relationship results from this
return p.RelationshipGet(requestingAccount, form.TargetAccountID)
}