mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 06:50:00 +00:00
337 lines
9.5 KiB
Go
337 lines
9.5 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021 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 db
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/go-fed/activity/streams"
|
|
"github.com/go-fed/activity/streams/vocab"
|
|
"github.com/go-pg/pg/extra/pgdebug"
|
|
"github.com/go-pg/pg/v10"
|
|
"github.com/go-pg/pg/v10/orm"
|
|
"github.com/gotosocial/gotosocial/internal/config"
|
|
"github.com/gotosocial/gotosocial/internal/model"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
type postgresService struct {
|
|
config *config.DBConfig
|
|
conn *pg.DB
|
|
log *logrus.Entry
|
|
cancel context.CancelFunc
|
|
locks *sync.Map
|
|
}
|
|
|
|
// newPostgresService returns a postgresService derived from the provided config, which implements the go-fed DB interface.
|
|
// Under the hood, it uses https://github.com/go-pg/pg to create and maintain a database connection.
|
|
func newPostgresService(ctx context.Context, c *config.Config, log *logrus.Entry) (*postgresService, error) {
|
|
opts, err := derivePGOptions(c)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not create postgres service: %s", err)
|
|
}
|
|
log.Debugf("using pg options: %+v", opts)
|
|
|
|
readyChan := make(chan interface{})
|
|
opts.OnConnect = func(ctx context.Context, c *pg.Conn) error {
|
|
close(readyChan)
|
|
return nil
|
|
}
|
|
|
|
// create a connection
|
|
pgCtx, cancel := context.WithCancel(ctx)
|
|
conn := pg.Connect(opts).WithContext(pgCtx)
|
|
|
|
// this will break the logfmt format we normally log in,
|
|
// since we can't choose where pg outputs to and it defaults to
|
|
// stdout. So use this option with care!
|
|
if log.Logger.GetLevel() >= logrus.TraceLevel {
|
|
conn.AddQueryHook(pgdebug.DebugHook{
|
|
// Print all queries.
|
|
Verbose: true,
|
|
})
|
|
}
|
|
|
|
// actually *begin* the connection so that we can tell if the db is there
|
|
// and listening, and also trigger the opts.OnConnect function passed in above
|
|
if err := conn.Ping(ctx); err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("db connection error: %s", err)
|
|
}
|
|
|
|
// print out discovered postgres version
|
|
var version string
|
|
if _, err = conn.QueryOneContext(ctx, pg.Scan(&version), "SELECT version()"); err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("db connection error: %s", err)
|
|
}
|
|
log.Infof("connected to postgres version: %s", version)
|
|
|
|
// make sure the opts.OnConnect function has been triggered
|
|
// and closed the ready channel
|
|
select {
|
|
case <-readyChan:
|
|
log.Infof("postgres connection ready")
|
|
case <-time.After(5 * time.Second):
|
|
cancel()
|
|
return nil, errors.New("db connection timeout")
|
|
}
|
|
|
|
acc := model.StubAccount()
|
|
if _, err := conn.Model(acc).Returning("id").Insert(); err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("db insert error: %s", err)
|
|
}
|
|
log.Infof("created account with id %s", acc.ID)
|
|
|
|
note := &model.Note{
|
|
Visibility: &model.Visibility{
|
|
Local: true,
|
|
},
|
|
CreatedAt: time.Now(),
|
|
UpdatedAt: time.Now(),
|
|
}
|
|
if _, err := conn.Model(note).Returning("id").Insert(); err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("db insert error: %s", err)
|
|
}
|
|
log.Infof("created note with id %s", note.ID)
|
|
|
|
// we can confidently return this useable postgres service now
|
|
return &postgresService{
|
|
config: c.DBConfig,
|
|
conn: conn,
|
|
log: log,
|
|
cancel: cancel,
|
|
locks: &sync.Map{},
|
|
}, nil
|
|
}
|
|
|
|
/*
|
|
HANDY STUFF
|
|
*/
|
|
|
|
// derivePGOptions takes an application config and returns either a ready-to-use *pg.Options
|
|
// with sensible defaults, or an error if it's not satisfied by the provided config.
|
|
func derivePGOptions(c *config.Config) (*pg.Options, error) {
|
|
if strings.ToUpper(c.DBConfig.Type) != dbTypePostgres {
|
|
return nil, fmt.Errorf("expected db type of %s but got %s", dbTypePostgres, c.DBConfig.Type)
|
|
}
|
|
|
|
// validate port
|
|
if c.DBConfig.Port == 0 {
|
|
return nil, errors.New("no port set")
|
|
}
|
|
|
|
// validate address
|
|
if c.DBConfig.Address == "" {
|
|
return nil, errors.New("no address set")
|
|
}
|
|
|
|
ipv4Regex := regexp.MustCompile(`^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$`)
|
|
hostnameRegex := regexp.MustCompile(`^(?:[a-z0-9]+(?:-[a-z0-9]+)*\.)+[a-z]{2,}$`)
|
|
if !hostnameRegex.MatchString(c.DBConfig.Address) && !ipv4Regex.MatchString(c.DBConfig.Address) && c.DBConfig.Address != "localhost" {
|
|
return nil, fmt.Errorf("address %s was neither an ipv4 address nor a valid hostname", c.DBConfig.Address)
|
|
}
|
|
|
|
// validate username
|
|
if c.DBConfig.User == "" {
|
|
return nil, errors.New("no user set")
|
|
}
|
|
|
|
// validate that there's a password
|
|
if c.DBConfig.Password == "" {
|
|
return nil, errors.New("no password set")
|
|
}
|
|
|
|
// validate database
|
|
if c.DBConfig.Database == "" {
|
|
return nil, errors.New("no database set")
|
|
}
|
|
|
|
// We can rely on the pg library we're using to set
|
|
// sensible defaults for everything we don't set here.
|
|
options := &pg.Options{
|
|
Addr: fmt.Sprintf("%s:%d", c.DBConfig.Address, c.DBConfig.Port),
|
|
User: c.DBConfig.User,
|
|
Password: c.DBConfig.Password,
|
|
Database: c.DBConfig.Database,
|
|
ApplicationName: c.ApplicationName,
|
|
}
|
|
|
|
return options, nil
|
|
}
|
|
|
|
/*
|
|
GO-FED DB INTERFACE-IMPLEMENTING FUNCTIONS
|
|
*/
|
|
func (ps *postgresService) Lock(ctx context.Context, id *url.URL) error {
|
|
// Before any other Database methods are called, the relevant `id`
|
|
// entries are locked to allow for fine-grained concurrency.
|
|
|
|
// Strategy: create a new lock, if stored, continue. Otherwise, lock the
|
|
// existing mutex.
|
|
mu := &sync.Mutex{}
|
|
mu.Lock() // Optimistically lock if we do store it.
|
|
i, loaded := ps.locks.LoadOrStore(id.String(), mu)
|
|
if loaded {
|
|
mu = i.(*sync.Mutex)
|
|
mu.Lock()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) Unlock(ctx context.Context, id *url.URL) error {
|
|
// Once Go-Fed is done calling Database methods, the relevant `id`
|
|
// entries are unlocked.
|
|
|
|
i, ok := ps.locks.Load(id.String())
|
|
if !ok {
|
|
return errors.New("missing an id in unlock")
|
|
}
|
|
mu := i.(*sync.Mutex)
|
|
mu.Unlock()
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) InboxContains(ctx context.Context, inbox *url.URL, id *url.URL) (bool, error) {
|
|
return false, nil
|
|
}
|
|
|
|
func (ps *postgresService) GetInbox(ctx context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) SetInbox(ctx context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) Owns(ctx context.Context, id *url.URL) (owns bool, err error) {
|
|
return false, nil
|
|
}
|
|
|
|
func (ps *postgresService) ActorForOutbox(ctx context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) ActorForInbox(ctx context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) OutboxForInbox(ctx context.Context, inboxIRI *url.URL) (outboxIRI *url.URL, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) Exists(ctx context.Context, id *url.URL) (exists bool, err error) {
|
|
return false, nil
|
|
}
|
|
|
|
func (ps *postgresService) Get(ctx context.Context, id *url.URL) (value vocab.Type, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) Create(ctx context.Context, asType vocab.Type) error {
|
|
t, err := streams.NewTypeResolver()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if err := t.Resolve(ctx, asType); err != nil {
|
|
return err
|
|
}
|
|
asType.GetTypeName()
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) Update(ctx context.Context, asType vocab.Type) error {
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) Delete(ctx context.Context, id *url.URL) error {
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) GetOutbox(ctx context.Context, outboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) SetOutbox(ctx context.Context, outbox vocab.ActivityStreamsOrderedCollectionPage) error {
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) NewID(ctx context.Context, t vocab.Type) (id *url.URL, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) Followers(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) Following(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (ps *postgresService) Liked(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
|
return nil, nil
|
|
}
|
|
|
|
/*
|
|
EXTRA FUNCTIONS
|
|
*/
|
|
|
|
func (ps *postgresService) Stop(ctx context.Context) error {
|
|
ps.log.Info("closing db connection")
|
|
if err := ps.conn.Close(); err != nil {
|
|
// only cancel if there's a problem closing the db
|
|
ps.cancel()
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) CreateSchema(ctx context.Context) error {
|
|
models := []interface{}{
|
|
(*model.Account)(nil),
|
|
(*model.Note)(nil),
|
|
}
|
|
ps.log.Info("creating db schema")
|
|
|
|
for _, model := range models {
|
|
err := ps.conn.Model(model).CreateTable(&orm.CreateTableOptions{
|
|
IfNotExists: true,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
ps.log.Info("db schema created")
|
|
return nil
|
|
}
|
|
|
|
func (ps *postgresService) IsHealthy(ctx context.Context) error {
|
|
return ps.conn.Ping(ctx)
|
|
}
|