121 lines
4.7 KiB
Go
121 lines
4.7 KiB
Go
// 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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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/log"
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)
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// FollowersGet fetches a list of the target account's followers.
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func (p *Processor) FollowersGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
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if blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, targetAccountID, true); err != nil {
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err = fmt.Errorf("FollowersGet: db error checking block: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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} else if blocked {
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err = errors.New("FollowersGet: block exists between accounts")
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return nil, gtserror.NewErrorNotFound(err)
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}
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follows, err := p.state.DB.GetFollows(ctx, "", targetAccountID)
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if err != nil {
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if !errors.Is(err, db.ErrNoEntries) {
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err = fmt.Errorf("FollowersGet: db error getting followers: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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return []apimodel.Account{}, nil
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}
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return p.accountsFromFollows(ctx, follows, requestingAccount.ID)
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}
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// FollowingGet fetches a list of the accounts that target account is following.
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func (p *Processor) FollowingGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode) {
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if blocked, err := p.state.DB.IsBlocked(ctx, requestingAccount.ID, targetAccountID, true); err != nil {
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err = fmt.Errorf("FollowingGet: db error checking block: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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} else if blocked {
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err = errors.New("FollowingGet: block exists between accounts")
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return nil, gtserror.NewErrorNotFound(err)
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}
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follows, err := p.state.DB.GetFollows(ctx, targetAccountID, "")
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if err != nil {
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if !errors.Is(err, db.ErrNoEntries) {
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err = fmt.Errorf("FollowingGet: db error getting followers: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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return []apimodel.Account{}, nil
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}
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return p.accountsFromFollows(ctx, follows, requestingAccount.ID)
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}
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// RelationshipGet returns a relationship model describing the relationship of the targetAccount to the Authed account.
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func (p *Processor) RelationshipGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
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if requestingAccount == nil {
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return nil, gtserror.NewErrorForbidden(errors.New("not authed"))
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}
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gtsR, err := p.state.DB.GetRelationship(ctx, requestingAccount.ID, targetAccountID)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error getting relationship: %s", err))
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}
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r, err := p.tc.RelationshipToAPIRelationship(ctx, gtsR)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting relationship: %s", err))
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}
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return r, nil
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}
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func (p *Processor) accountsFromFollows(ctx context.Context, follows []*gtsmodel.Follow, requestingAccountID string) ([]apimodel.Account, gtserror.WithCode) {
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accounts := make([]apimodel.Account, 0, len(follows))
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for _, follow := range follows {
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if follow.Account == nil {
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// No account set for some reason; just skip.
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log.WithContext(ctx).WithField("follow", follow).Warn("follow had no associated account")
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continue
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}
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if blocked, err := p.state.DB.IsBlocked(ctx, requestingAccountID, follow.AccountID, true); err != nil {
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err = fmt.Errorf("accountsFromFollows: db error checking block: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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} else if blocked {
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continue
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}
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account, err := p.tc.AccountToAPIAccountPublic(ctx, follow.Account)
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if err != nil {
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err = fmt.Errorf("accountsFromFollows: error converting account to api account: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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accounts = append(accounts, *account)
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}
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return accounts, nil
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}
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