mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
168 lines
5.6 KiB
Go
168 lines
5.6 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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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/paging"
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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, page *paging.Page) (*apimodel.PageableResponse, gtserror.WithCode) {
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// Fetch target account to check it exists, and visibility of requester->target.
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targetAccount, errWithCode := p.c.GetVisibleTargetAccount(ctx, requestingAccount, targetAccountID)
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if errWithCode != nil {
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return nil, errWithCode
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}
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if targetAccount.IsInstance() {
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// Instance accounts can't follow/be followed.
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return paging.EmptyResponse(), nil
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}
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// If account isn't requesting its own followers list,
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// but instead the list for a local account that has
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// hide_followers set, just return an empty array.
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if targetAccountID != requestingAccount.ID &&
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targetAccount.IsLocal() &&
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*targetAccount.Settings.HideCollections {
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return paging.EmptyResponse(), nil
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}
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follows, err := p.state.DB.GetAccountFollowers(ctx, targetAccountID, page)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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err = gtserror.Newf("db error getting followers: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// Check for empty response.
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count := len(follows)
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if count == 0 {
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return paging.EmptyResponse(), nil
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}
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// Get the lowest and highest
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// ID values, used for paging.
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lo := follows[count-1].ID
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hi := follows[0].ID
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// Func to fetch follow source at index.
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getIdx := func(i int) *gtsmodel.Account {
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return follows[i].Account
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}
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// Get a filtered slice of public API account models.
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items := p.c.GetVisibleAPIAccountsPaged(ctx,
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requestingAccount,
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getIdx,
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len(follows),
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)
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return paging.PackageResponse(paging.ResponseParams{
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Items: items,
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Path: "/api/v1/accounts/" + targetAccountID + "/followers",
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Next: page.Next(lo, hi),
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Prev: page.Prev(lo, hi),
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}), nil
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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, page *paging.Page) (*apimodel.PageableResponse, gtserror.WithCode) {
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// Fetch target account to check it exists, and visibility of requester->target.
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targetAccount, errWithCode := p.c.GetVisibleTargetAccount(ctx, requestingAccount, targetAccountID)
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if errWithCode != nil {
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return nil, errWithCode
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}
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if targetAccount.IsInstance() {
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// Instance accounts can't follow/be followed.
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return paging.EmptyResponse(), nil
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}
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// If account isn't requesting its own following list,
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// but instead the list for a local account that has
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// hide_followers set, just return an empty array.
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if targetAccountID != requestingAccount.ID &&
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targetAccount.IsLocal() &&
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*targetAccount.Settings.HideCollections {
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return paging.EmptyResponse(), nil
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}
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// Fetch known accounts that follow given target account ID.
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follows, err := p.state.DB.GetAccountFollows(ctx, targetAccountID, page)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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err = gtserror.Newf("db error getting followers: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// Check for empty response.
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count := len(follows)
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if count == 0 {
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return paging.EmptyResponse(), nil
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}
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// Get the lowest and highest
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// ID values, used for paging.
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lo := follows[count-1].ID
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hi := follows[0].ID
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// Func to fetch follow source at index.
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getIdx := func(i int) *gtsmodel.Account {
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return follows[i].TargetAccount
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}
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// Get a filtered slice of public API account models.
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items := p.c.GetVisibleAPIAccountsPaged(ctx,
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requestingAccount,
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getIdx,
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len(follows),
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)
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return paging.PackageResponse(paging.ResponseParams{
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Items: items,
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Path: "/api/v1/accounts/" + targetAccountID + "/following",
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Next: page.Next(lo, hi),
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Prev: page.Prev(lo, hi),
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}), nil
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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(gtserror.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(gtserror.Newf("error getting relationship: %s", err))
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}
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r, err := p.converter.RelationshipToAPIRelationship(ctx, gtsR)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(gtserror.Newf("error converting relationship: %s", err))
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}
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return r, nil
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}
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