GoToSocial/internal/db/bundb/admin.go

309 lines
8.7 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"
"crypto/rand"
"crypto/rsa"
"fmt"
"net"
"net/mail"
"strings"
"time"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/cache"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/uris"
"github.com/uptrace/bun"
"golang.org/x/crypto/bcrypt"
)
// generate RSA keys of this length
const rsaKeyBits = 2048
type adminDB struct {
conn *DBConn
userCache *cache.UserCache
accountCache *cache.AccountCache
}
func (a *adminDB) IsUsernameAvailable(ctx context.Context, username string) (bool, db.Error) {
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Column("account.id").
Where("? = ?", bun.Ident("account.username"), username).
Where("? IS NULL", bun.Ident("account.domain"))
return a.conn.NotExists(ctx, q)
}
func (a *adminDB) IsEmailAvailable(ctx context.Context, email string) (bool, db.Error) {
// parse the domain from the email
m, err := mail.ParseAddress(email)
if err != nil {
return false, fmt.Errorf("error parsing email address %s: %s", email, err)
}
domain := strings.Split(m.Address, "@")[1] // domain will always be the second part after @
// check if the email domain is blocked
emailDomainBlockedQ := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("email_domain_blocks"), bun.Ident("email_domain_block")).
Column("email_domain_block.id").
Where("? = ?", bun.Ident("email_domain_block.domain"), domain)
emailDomainBlocked, err := a.conn.Exists(ctx, emailDomainBlockedQ)
if err != nil {
return false, err
}
if emailDomainBlocked {
return false, fmt.Errorf("email domain %s is blocked", domain)
}
// check if this email is associated with a user already
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("users"), bun.Ident("user")).
Column("user.id").
Where("? = ?", bun.Ident("user.email"), email).
WhereOr("? = ?", bun.Ident("user.unconfirmed_email"), email)
return a.conn.NotExists(ctx, q)
}
func (a *adminDB) NewSignup(ctx context.Context, username string, reason string, requireApproval bool, email string, password string, signUpIP net.IP, locale string, appID string, emailVerified bool, admin bool) (*gtsmodel.User, db.Error) {
key, err := rsa.GenerateKey(rand.Reader, rsaKeyBits)
if err != nil {
log.Errorf("error creating new rsa key: %s", err)
return nil, err
}
// if something went wrong while creating a user, we might already have an account, so check here first...
acct := &gtsmodel.Account{}
if err := a.conn.
NewSelect().
Model(acct).
Where("? = ?", bun.Ident("account.username"), username).
WhereGroup(" AND ", whereEmptyOrNull("account.domain")).
Scan(ctx); err != nil {
err = a.conn.ProcessError(err)
if err != db.ErrNoEntries {
log.Errorf("error checking for existing account: %s", err)
return nil, err
}
// if we have db.ErrNoEntries, we just don't have an
// account yet so create one before we proceed
accountURIs := uris.GenerateURIsForAccount(username)
accountID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
acct = &gtsmodel.Account{
ID: accountID,
Username: username,
DisplayName: username,
Reason: reason,
Privacy: gtsmodel.VisibilityDefault,
URL: accountURIs.UserURL,
PrivateKey: key,
PublicKey: &key.PublicKey,
PublicKeyURI: accountURIs.PublicKeyURI,
ActorType: ap.ActorPerson,
URI: accountURIs.UserURI,
InboxURI: accountURIs.InboxURI,
OutboxURI: accountURIs.OutboxURI,
FollowersURI: accountURIs.FollowersURI,
FollowingURI: accountURIs.FollowingURI,
FeaturedCollectionURI: accountURIs.CollectionURI,
}
// insert the new account!
if _, err = a.conn.
NewInsert().
Model(acct).
Exec(ctx); err != nil {
return nil, a.conn.ProcessError(err)
}
a.accountCache.Put(acct)
}
// we either created or already had an account by now,
// so proceed with creating a user for that account
pw, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return nil, fmt.Errorf("error hashing password: %s", err)
}
newUserID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
// if we don't require moderator approval, just pre-approve the user
approved := !requireApproval
u := &gtsmodel.User{
ID: newUserID,
AccountID: acct.ID,
Account: acct,
EncryptedPassword: string(pw),
SignUpIP: signUpIP.To4(),
Locale: locale,
UnconfirmedEmail: email,
CreatedByApplicationID: appID,
Approved: &approved,
}
if emailVerified {
u.ConfirmedAt = time.Now()
u.Email = email
u.UnconfirmedEmail = ""
}
if admin {
admin := true
moderator := true
u.Admin = &admin
u.Moderator = &moderator
}
// insert the user!
if _, err = a.conn.
NewInsert().
Model(u).
Exec(ctx); err != nil {
return nil, a.conn.ProcessError(err)
}
a.userCache.Put(u)
return u, nil
}
func (a *adminDB) CreateInstanceAccount(ctx context.Context) db.Error {
username := config.GetHost()
q := a.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
Column("account.id").
Where("? = ?", bun.Ident("account.username"), username).
WhereGroup(" AND ", whereEmptyOrNull("account.domain"))
exists, err := a.conn.Exists(ctx, q)
if err != nil {
return err
}
if exists {
log.Infof("instance account %s already exists", username)
return nil
}
key, err := rsa.GenerateKey(rand.Reader, rsaKeyBits)
if err != nil {
log.Errorf("error creating new rsa key: %s", err)
return err
}
aID, err := id.NewRandomULID()
if err != nil {
return err
}
newAccountURIs := uris.GenerateURIsForAccount(username)
acct := &gtsmodel.Account{
ID: aID,
Username: username,
DisplayName: username,
URL: newAccountURIs.UserURL,
PrivateKey: key,
PublicKey: &key.PublicKey,
PublicKeyURI: newAccountURIs.PublicKeyURI,
ActorType: ap.ActorPerson,
URI: newAccountURIs.UserURI,
InboxURI: newAccountURIs.InboxURI,
OutboxURI: newAccountURIs.OutboxURI,
FollowersURI: newAccountURIs.FollowersURI,
FollowingURI: newAccountURIs.FollowingURI,
FeaturedCollectionURI: newAccountURIs.CollectionURI,
}
insertQ := a.conn.
NewInsert().
Model(acct)
if _, err := insertQ.Exec(ctx); err != nil {
return a.conn.ProcessError(err)
}
a.accountCache.Put(acct)
log.Infof("instance account %s CREATED with id %s", username, acct.ID)
return nil
}
func (a *adminDB) CreateInstanceInstance(ctx context.Context) db.Error {
protocol := config.GetProtocol()
host := config.GetHost()
// check if instance entry already exists
q := a.conn.
NewSelect().
Column("instance.id").
TableExpr("? AS ?", bun.Ident("instances"), bun.Ident("instance")).
Where("? = ?", bun.Ident("instance.domain"), host)
exists, err := a.conn.Exists(ctx, q)
if err != nil {
return err
}
if exists {
log.Infof("instance entry already exists")
return nil
}
iID, err := id.NewRandomULID()
if err != nil {
return err
}
i := &gtsmodel.Instance{
ID: iID,
Domain: host,
Title: host,
URI: fmt.Sprintf("%s://%s", protocol, host),
}
insertQ := a.conn.
NewInsert().
Model(i)
_, err = insertQ.Exec(ctx)
if err != nil {
return a.conn.ProcessError(err)
}
log.Infof("created instance instance %s with id %s", host, i.ID)
return nil
}