115 lines
4.5 KiB
Go
115 lines
4.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package account
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import (
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"context"
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"fmt"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/id"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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func (p *processor) FollowCreate(ctx context.Context, requestingAccount *gtsmodel.Account, form *apimodel.AccountFollowRequest) (*apimodel.Relationship, gtserror.WithCode) {
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// if there's a block between the accounts we shouldn't create the request ofc
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if blocked, err := p.db.IsBlocked(ctx, requestingAccount.ID, form.ID, true); err != nil {
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return nil, gtserror.NewErrorInternalError(err)
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} else if blocked {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("block exists between accounts"))
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}
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// make sure the target account actually exists in our db
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targetAcct, err := p.db.GetAccountByID(ctx, form.ID)
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if err != nil {
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if err == db.ErrNoEntries {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("accountfollowcreate: account %s not found in the db: %s", form.ID, err))
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}
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return nil, gtserror.NewErrorInternalError(err)
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}
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// check if a follow exists already
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if follows, err := p.db.IsFollowing(ctx, requestingAccount, targetAcct); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error checking follow in db: %s", err))
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} else if follows {
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// already follows so just return the relationship
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return p.RelationshipGet(ctx, requestingAccount, form.ID)
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}
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// check if a follow request exists already
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if followRequested, err := p.db.IsFollowRequested(ctx, requestingAccount, targetAcct); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error checking follow request in db: %s", err))
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} else if followRequested {
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// already follow requested so just return the relationship
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return p.RelationshipGet(ctx, requestingAccount, form.ID)
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}
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// make the follow request
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newFollowID, err := id.NewRandomULID()
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if err != nil {
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return nil, gtserror.NewErrorInternalError(err)
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}
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fr := >smodel.FollowRequest{
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ID: newFollowID,
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AccountID: requestingAccount.ID,
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TargetAccountID: form.ID,
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ShowReblogs: true,
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URI: uris.GenerateURIForFollow(requestingAccount.Username, newFollowID),
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Notify: false,
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}
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if form.Reblogs != nil {
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fr.ShowReblogs = *form.Reblogs
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}
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if form.Notify != nil {
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fr.Notify = *form.Notify
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}
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// whack it in the database
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if err := p.db.Put(ctx, fr); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error creating follow request in db: %s", err))
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}
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// if it's a local account that's not locked we can just straight up accept the follow request
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if !targetAcct.Locked && targetAcct.Domain == "" {
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if _, err := p.db.AcceptFollowRequest(ctx, requestingAccount.ID, form.ID); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("accountfollowcreate: error accepting folow request for local unlocked account: %s", err))
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}
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// return the new relationship
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return p.RelationshipGet(ctx, requestingAccount, form.ID)
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}
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// otherwise we leave the follow request as it is and we handle the rest of the process asynchronously
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p.fromClientAPI <- messages.FromClientAPI{
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APObjectType: ap.ActivityFollow,
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APActivityType: ap.ActivityCreate,
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GTSModel: fr,
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OriginAccount: requestingAccount,
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TargetAccount: targetAcct,
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}
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// return whatever relationship results from this
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return p.RelationshipGet(ctx, requestingAccount, form.ID)
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}
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