154 lines
4.9 KiB
Go
154 lines
4.9 KiB
Go
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// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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package account
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import (
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"context"
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"errors"
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"fmt"
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"net/url"
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"slices"
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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/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
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"github.com/superseriousbusiness/gotosocial/internal/oauth"
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"golang.org/x/crypto/bcrypt"
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)
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func (p *Processor) MoveSelf(
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ctx context.Context,
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authed *oauth.Auth,
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form *apimodel.AccountMoveRequest,
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) gtserror.WithCode {
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// Ensure valid MovedToURI.
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if form.MovedToURI == "" {
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err := errors.New("no moved_to_uri provided in account Move request")
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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movedToURI, err := url.Parse(form.MovedToURI)
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if err != nil {
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err := fmt.Errorf("invalid moved_to_uri provided in account Move request: %w", err)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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if movedToURI.Scheme != "https" && movedToURI.Scheme != "http" {
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err := errors.New("invalid moved_to_uri provided in account Move request: uri scheme must be http or https")
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Self account Move requires password to ensure it's for real.
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if form.Password == "" {
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err := errors.New("no password provided in account Move request")
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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if err := bcrypt.CompareHashAndPassword(
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[]byte(authed.User.EncryptedPassword),
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[]byte(form.Password),
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); err != nil {
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err := errors.New("invalid password provided in account Move request")
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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var (
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// Current account from which
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// the move is taking place.
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account = authed.Account
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// Target account to which
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// the move is taking place.
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targetAccount *gtsmodel.Account
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)
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switch {
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case account.MovedToURI == "":
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// No problemo.
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case account.MovedToURI == form.MovedToURI:
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// Trying to move again to the same
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// destination, perhaps to reprocess
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// side effects. This is OK.
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log.Info(ctx,
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"reprocessing Move side effects from %s to %s",
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account.URI, form.MovedToURI,
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)
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default:
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// Account already moved, and now
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// trying to move somewhere else.
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err := fmt.Errorf(
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"account %s is already Moved to %s, cannot also Move to %s",
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account.URI, account.MovedToURI, form.MovedToURI,
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)
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return gtserror.NewErrorUnprocessableEntity(err, err.Error())
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}
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// Ensure we have a valid, up-to-date representation of the target account.
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targetAccount, _, err = p.federator.GetAccountByURI(ctx, account.Username, movedToURI)
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if err != nil {
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err := fmt.Errorf("error dereferencing moved_to_uri account: %w", err)
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return gtserror.NewErrorUnprocessableEntity(err, err.Error())
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}
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if !targetAccount.SuspendedAt.IsZero() {
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err := fmt.Errorf(
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"target account %s is suspended from this instance; "+
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"you will not be able to Move to that account",
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targetAccount.URI,
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)
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return gtserror.NewErrorUnprocessableEntity(err, err.Error())
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}
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// Target account MUST be aliased to this
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// account for this to be a valid Move.
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if !slices.Contains(targetAccount.AlsoKnownAsURIs, account.URI) {
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err := fmt.Errorf(
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"target account %s is not aliased to this account via alsoKnownAs; "+
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"if you just changed it, wait five minutes and try the Move again",
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targetAccount.URI,
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)
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return gtserror.NewErrorUnprocessableEntity(err, err.Error())
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}
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// Target account cannot itself have
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// already Moved somewhere else.
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if targetAccount.MovedToURI != "" {
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err := fmt.Errorf(
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"target account %s has already Moved somewhere else (%s); "+
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"you will not be able to Move to that account",
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targetAccount.URI, targetAccount.MovedToURI,
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)
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return gtserror.NewErrorUnprocessableEntity(err, err.Error())
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}
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// Everything seems OK, so process the Move.
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p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
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APObjectType: ap.ActorPerson,
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APActivityType: ap.ActivityMove,
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OriginAccount: account,
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TargetAccount: targetAccount,
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})
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return nil
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}
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