gotosocial/internal/db/bundb/domain.go
kim e58d2d8122
[chore] move caches to a separate State{} structure (#1078)
* move caches to a separate State{} structure

Signed-off-by: kim <grufwub@gmail.com>

* fix call to log.Panic not using formatted call

Signed-off-by: kim <grufwub@gmail.com>

* move caches to use interfaces, to make switchouts easier in future

Signed-off-by: kim <grufwub@gmail.com>

* fix rebase issue

Signed-off-by: kim <grufwub@gmail.com>

* improve code comment

Signed-off-by: kim <grufwub@gmail.com>

* fix further issues after rebase

Signed-off-by: kim <grufwub@gmail.com>

* heh

Signed-off-by: kim <grufwub@gmail.com>

* add missing license text

Signed-off-by: kim <grufwub@gmail.com>

Signed-off-by: kim <grufwub@gmail.com>
2022-12-08 18:35:14 +01:00

149 lines
3.9 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"
"net/url"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
"golang.org/x/net/idna"
)
type domainDB struct {
conn *DBConn
state *state.State
}
// normalizeDomain converts the given domain to lowercase
// then to punycode (for international domain names).
//
// Returns the resulting domain or an error if the
// punycode conversion fails.
func normalizeDomain(domain string) (out string, err error) {
out = strings.ToLower(domain)
out, err = idna.ToASCII(out)
return out, err
}
func (d *domainDB) CreateDomainBlock(ctx context.Context, block *gtsmodel.DomainBlock) db.Error {
var err error
block.Domain, err = normalizeDomain(block.Domain)
if err != nil {
return err
}
return d.state.Caches.GTS.DomainBlock().Store(block, func() error {
_, err := d.conn.NewInsert().
Model(block).
Exec(ctx)
return d.conn.ProcessError(err)
})
}
func (d *domainDB) GetDomainBlock(ctx context.Context, domain string) (*gtsmodel.DomainBlock, db.Error) {
var err error
domain, err = normalizeDomain(domain)
if err != nil {
return nil, err
}
return d.state.Caches.GTS.DomainBlock().Load("Domain", func() (*gtsmodel.DomainBlock, error) {
// Check for easy case, domain referencing *us*
if domain == "" || domain == config.GetAccountDomain() {
return nil, db.ErrNoEntries
}
var block gtsmodel.DomainBlock
q := d.conn.
NewSelect().
Model(&block).
Where("? = ?", bun.Ident("domain_block.domain"), domain).
Limit(1)
if err := q.Scan(ctx); err != nil {
return nil, d.conn.ProcessError(err)
}
return &block, nil
}, domain)
}
func (d *domainDB) DeleteDomainBlock(ctx context.Context, domain string) db.Error {
var err error
domain, err = normalizeDomain(domain)
if err != nil {
return err
}
// Attempt to delete domain block
if _, err := d.conn.NewDelete().
Model((*gtsmodel.DomainBlock)(nil)).
Where("? = ?", bun.Ident("domain_block.domain"), domain).
Exec(ctx); err != nil {
return d.conn.ProcessError(err)
}
// Clear domain from cache
d.state.Caches.GTS.DomainBlock().Invalidate(domain)
return nil
}
func (d *domainDB) IsDomainBlocked(ctx context.Context, domain string) (bool, db.Error) {
block, err := d.GetDomainBlock(ctx, domain)
if err == nil || err == db.ErrNoEntries {
return (block != nil), nil
}
return false, err
}
func (d *domainDB) AreDomainsBlocked(ctx context.Context, domains []string) (bool, db.Error) {
for _, domain := range domains {
if blocked, err := d.IsDomainBlocked(ctx, domain); err != nil {
return false, err
} else if blocked {
return blocked, nil
}
}
return false, nil
}
func (d *domainDB) IsURIBlocked(ctx context.Context, uri *url.URL) (bool, db.Error) {
return d.IsDomainBlocked(ctx, uri.Hostname())
}
func (d *domainDB) AreURIsBlocked(ctx context.Context, uris []*url.URL) (bool, db.Error) {
for _, uri := range uris {
if blocked, err := d.IsDomainBlocked(ctx, uri.Hostname()); err != nil {
return false, err
} else if blocked {
return blocked, nil
}
}
return false, nil
}