gotosocial/internal/db/bundb/account.go
tobi cf20397f26
[bugfix] Use case-insensitive selects when getting remote accounts by username/domain (#1191)
* [bugfix] Case-insensitive account selection

* don't lowercase cache key
2022-12-01 16:06:09 +01:00

528 lines
15 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 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 bundb
import (
"context"
"errors"
"fmt"
"strings"
"time"
"codeberg.org/gruf/go-cache/v3/result"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect"
)
type accountDB struct {
conn *DBConn
cache *result.Cache[*gtsmodel.Account]
emojis *emojiDB
status *statusDB
}
func (a *accountDB) init() {
// Initialize account result cache
a.cache = result.NewSized([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "URL"},
{Name: "Username.Domain"},
{Name: "PublicKeyURI"},
}, func(a1 *gtsmodel.Account) *gtsmodel.Account {
a2 := new(gtsmodel.Account)
*a2 = *a1
return a2
}, 1000)
// Set cache TTL and start sweep routine
a.cache.SetTTL(time.Minute*5, false)
a.cache.Start(time.Second * 10)
}
func (a *accountDB) newAccountQ(account *gtsmodel.Account) *bun.SelectQuery {
return a.conn.
NewSelect().
Model(account).
Relation("AvatarMediaAttachment").
Relation("HeaderMediaAttachment")
}
func (a *accountDB) GetAccountByID(ctx context.Context, id string) (*gtsmodel.Account, db.Error) {
return a.getAccount(
ctx,
"ID",
func(account *gtsmodel.Account) error {
return a.newAccountQ(account).Where("? = ?", bun.Ident("account.id"), id).Scan(ctx)
},
id,
)
}
func (a *accountDB) GetAccountByURI(ctx context.Context, uri string) (*gtsmodel.Account, db.Error) {
return a.getAccount(
ctx,
"URI",
func(account *gtsmodel.Account) error {
return a.newAccountQ(account).Where("? = ?", bun.Ident("account.uri"), uri).Scan(ctx)
},
uri,
)
}
func (a *accountDB) GetAccountByURL(ctx context.Context, url string) (*gtsmodel.Account, db.Error) {
return a.getAccount(
ctx,
"URL",
func(account *gtsmodel.Account) error {
return a.newAccountQ(account).Where("? = ?", bun.Ident("account.url"), url).Scan(ctx)
},
url,
)
}
func (a *accountDB) GetAccountByUsernameDomain(ctx context.Context, username string, domain string) (*gtsmodel.Account, db.Error) {
return a.getAccount(
ctx,
"Username.Domain",
func(account *gtsmodel.Account) error {
q := a.newAccountQ(account)
if domain != "" {
q = q.
Where("LOWER(?) = ?", bun.Ident("account.username"), strings.ToLower(username)).
Where("? = ?", bun.Ident("account.domain"), domain)
} else {
q = q.
Where("? = ?", bun.Ident("account.username"), strings.ToLower(username)). // usernames on our instance are always lowercase
Where("? IS NULL", bun.Ident("account.domain"))
}
return q.Scan(ctx)
},
username,
domain,
)
}
func (a *accountDB) GetAccountByPubkeyID(ctx context.Context, id string) (*gtsmodel.Account, db.Error) {
return a.getAccount(
ctx,
"PublicKeyURI",
func(account *gtsmodel.Account) error {
return a.newAccountQ(account).Where("? = ?", bun.Ident("account.public_key_uri"), id).Scan(ctx)
},
id,
)
}
func (a *accountDB) GetInstanceAccount(ctx context.Context, domain string) (*gtsmodel.Account, db.Error) {
var username string
if domain == "" {
// I.e. our local instance account
username = config.GetHost()
} else {
// A remote instance account
username = domain
}
return a.GetAccountByUsernameDomain(ctx, username, domain)
}
func (a *accountDB) getAccount(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Account) error, keyParts ...any) (*gtsmodel.Account, db.Error) {
// Fetch account from database cache with loader callback
account, err := a.cache.Load(lookup, func() (*gtsmodel.Account, error) {
var account gtsmodel.Account
// Not cached! Perform database query
if err := dbQuery(&account); err != nil {
return nil, a.conn.ProcessError(err)
}
return &account, nil
}, keyParts...)
if err != nil {
return nil, err
}
if len(account.EmojiIDs) > 0 {
// Set the account's related emojis
account.Emojis, err = a.emojis.emojisFromIDs(ctx, account.EmojiIDs)
if err != nil {
return nil, fmt.Errorf("error getting account emojis: %w", err)
}
}
return account, nil
}
func (a *accountDB) PutAccount(ctx context.Context, account *gtsmodel.Account) db.Error {
return a.cache.Store(account, func() error {
// It is safe to run this database transaction within cache.Store
// as the cache does not attempt a mutex lock until AFTER hook.
//
return a.conn.RunInTx(ctx, func(tx bun.Tx) error {
// create links between this account and any emojis it uses
for _, i := range account.EmojiIDs {
if _, err := tx.NewInsert().Model(&gtsmodel.AccountToEmoji{
AccountID: account.ID,
EmojiID: i,
}).Exec(ctx); err != nil {
return err
}
}
// insert the account
_, err := tx.NewInsert().Model(account).Exec(ctx)
return err
})
})
}
func (a *accountDB) UpdateAccount(ctx context.Context, account *gtsmodel.Account) db.Error {
// Update the account's last-updated
account.UpdatedAt = time.Now()
return a.cache.Store(account, func() error {
// It is safe to run this database transaction within cache.Store
// as the cache does not attempt a mutex lock until AFTER hook.
//
return a.conn.RunInTx(ctx, func(tx bun.Tx) error {
// create links between this account and any emojis it uses
// first clear out any old emoji links
if _, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
Where("? = ?", bun.Ident("account_to_emoji.account_id"), account.ID).
Exec(ctx); err != nil {
return err
}
// now populate new emoji links
for _, i := range account.EmojiIDs {
if _, err := tx.
NewInsert().
Model(&gtsmodel.AccountToEmoji{
AccountID: account.ID,
EmojiID: i,
}).Exec(ctx); err != nil {
return err
}
}
// update the account
_, err := tx.NewUpdate().
Model(account).
Where("? = ?", bun.Ident("account.id"), account.ID).
Exec(ctx)
return err
})
})
}
func (a *accountDB) DeleteAccount(ctx context.Context, id string) db.Error {
if err := a.conn.RunInTx(ctx, func(tx bun.Tx) error {
// clear out any emoji links
if _, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
Where("? = ?", bun.Ident("account_to_emoji.account_id"), id).
Exec(ctx); err != nil {
return err
}
// delete the account
_, err := tx.
NewDelete().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Where("? = ?", bun.Ident("account.id"), id).
Exec(ctx)
return err
}); err != nil {
return err
}
a.cache.Invalidate("ID", id)
return nil
}
func (a *accountDB) GetAccountLastPosted(ctx context.Context, accountID string, webOnly bool) (time.Time, db.Error) {
createdAt := time.Time{}
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.created_at").
Where("? = ?", bun.Ident("status.account_id"), accountID).
Order("status.id DESC").
Limit(1)
if webOnly {
q = q.
WhereGroup(" AND ", whereEmptyOrNull("status.in_reply_to_uri")).
WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id")).
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
Where("? = ?", bun.Ident("status.federated"), true)
}
if err := q.Scan(ctx, &createdAt); err != nil {
return time.Time{}, a.conn.ProcessError(err)
}
return createdAt, nil
}
func (a *accountDB) SetAccountHeaderOrAvatar(ctx context.Context, mediaAttachment *gtsmodel.MediaAttachment, accountID string) db.Error {
if *mediaAttachment.Avatar && *mediaAttachment.Header {
return errors.New("one media attachment cannot be both header and avatar")
}
var column bun.Ident
switch {
case *mediaAttachment.Avatar:
column = bun.Ident("account.avatar_media_attachment_id")
case *mediaAttachment.Header:
column = bun.Ident("account.header_media_attachment_id")
default:
return errors.New("given media attachment was neither a header nor an avatar")
}
// TODO: there are probably more side effects here that need to be handled
if _, err := a.conn.
NewInsert().
Model(mediaAttachment).
Exec(ctx); err != nil {
return a.conn.ProcessError(err)
}
if _, err := a.conn.
NewUpdate().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Set("? = ?", column, mediaAttachment.ID).
Where("? = ?", bun.Ident("account.id"), accountID).
Exec(ctx); err != nil {
return a.conn.ProcessError(err)
}
return nil
}
func (a *accountDB) GetAccountCustomCSSByUsername(ctx context.Context, username string) (string, db.Error) {
account, err := a.GetAccountByUsernameDomain(ctx, username, "")
if err != nil {
return "", err
}
return account.CustomCSS, nil
}
func (a *accountDB) GetAccountFaves(ctx context.Context, accountID string) ([]*gtsmodel.StatusFave, db.Error) {
faves := new([]*gtsmodel.StatusFave)
if err := a.conn.
NewSelect().
Model(faves).
Where("? = ?", bun.Ident("status_fave.account_id"), accountID).
Scan(ctx); err != nil {
return nil, a.conn.ProcessError(err)
}
return *faves, nil
}
func (a *accountDB) CountAccountStatuses(ctx context.Context, accountID string) (int, db.Error) {
return a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.account_id"), accountID).
Count(ctx)
}
func (a *accountDB) GetAccountStatuses(ctx context.Context, accountID string, limit int, excludeReplies bool, excludeReblogs bool, maxID string, minID string, pinnedOnly bool, mediaOnly bool, publicOnly bool) ([]*gtsmodel.Status, db.Error) {
statusIDs := []string{}
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.id").
Order("status.id DESC")
if accountID != "" {
q = q.Where("? = ?", bun.Ident("status.account_id"), accountID)
}
if limit != 0 {
q = q.Limit(limit)
}
if excludeReplies {
// include self-replies (threads)
whereGroup := func(*bun.SelectQuery) *bun.SelectQuery {
return q.
WhereOr("? = ?", bun.Ident("status.in_reply_to_account_id"), accountID).
WhereGroup(" OR ", whereEmptyOrNull("status.in_reply_to_uri"))
}
q = q.WhereGroup(" AND ", whereGroup)
}
if excludeReblogs {
q = q.WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id"))
}
if maxID != "" {
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
}
if minID != "" {
q = q.Where("? > ?", bun.Ident("status.id"), minID)
}
if pinnedOnly {
q = q.Where("? = ?", bun.Ident("status.pinned"), true)
}
if mediaOnly {
// attachments are stored as a json object;
// this implementation differs between sqlite and postgres,
// so we have to be thorough to cover all eventualities
q = q.WhereGroup(" AND ", func(q *bun.SelectQuery) *bun.SelectQuery {
switch a.conn.Dialect().Name() {
case dialect.PG:
return q.
Where("? IS NOT NULL", bun.Ident("status.attachments")).
Where("? != '{}'", bun.Ident("status.attachments"))
case dialect.SQLite:
return q.
Where("? IS NOT NULL", bun.Ident("status.attachments")).
Where("? != ''", bun.Ident("status.attachments")).
Where("? != 'null'", bun.Ident("status.attachments")).
Where("? != '{}'", bun.Ident("status.attachments")).
Where("? != '[]'", bun.Ident("status.attachments"))
default:
log.Panic("db dialect was neither pg nor sqlite")
return q
}
})
}
if publicOnly {
q = q.Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic)
}
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.conn.ProcessError(err)
}
return a.statusesFromIDs(ctx, statusIDs)
}
func (a *accountDB) GetAccountWebStatuses(ctx context.Context, accountID string, limit int, maxID string) ([]*gtsmodel.Status, db.Error) {
statusIDs := []string{}
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.id").
Where("? = ?", bun.Ident("status.account_id"), accountID).
WhereGroup(" AND ", whereEmptyOrNull("status.in_reply_to_uri")).
WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id")).
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
Where("? = ?", bun.Ident("status.federated"), true)
if maxID != "" {
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
}
q = q.Limit(limit).Order("status.id DESC")
if err := q.Scan(ctx, &statusIDs); err != nil {
return nil, a.conn.ProcessError(err)
}
return a.statusesFromIDs(ctx, statusIDs)
}
func (a *accountDB) GetAccountBlocks(ctx context.Context, accountID string, maxID string, sinceID string, limit int) ([]*gtsmodel.Account, string, string, db.Error) {
blocks := []*gtsmodel.Block{}
fq := a.conn.
NewSelect().
Model(&blocks).
Where("? = ?", bun.Ident("block.account_id"), accountID).
Relation("TargetAccount").
Order("block.id DESC")
if maxID != "" {
fq = fq.Where("? < ?", bun.Ident("block.id"), maxID)
}
if sinceID != "" {
fq = fq.Where("? > ?", bun.Ident("block.id"), sinceID)
}
if limit > 0 {
fq = fq.Limit(limit)
}
if err := fq.Scan(ctx); err != nil {
return nil, "", "", a.conn.ProcessError(err)
}
if len(blocks) == 0 {
return nil, "", "", db.ErrNoEntries
}
accounts := []*gtsmodel.Account{}
for _, b := range blocks {
accounts = append(accounts, b.TargetAccount)
}
nextMaxID := blocks[len(blocks)-1].ID
prevMinID := blocks[0].ID
return accounts, nextMaxID, prevMinID, nil
}
func (a *accountDB) statusesFromIDs(ctx context.Context, statusIDs []string) ([]*gtsmodel.Status, db.Error) {
// Catch case of no statuses early
if len(statusIDs) == 0 {
return nil, db.ErrNoEntries
}
// Allocate return slice (will be at most len statusIDS)
statuses := make([]*gtsmodel.Status, 0, len(statusIDs))
for _, id := range statusIDs {
// Fetch from status from database by ID
status, err := a.status.GetStatusByID(ctx, id)
if err != nil {
log.Errorf("statusesFromIDs: error getting status %q: %v", id, err)
continue
}
// Append to return slice
statuses = append(statuses, status)
}
return statuses, nil
}