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dendrite/clientapi/auth/storage/accounts/accounts_table.go
2019-05-21 21:56:55 +01:00

153 lines
4.7 KiB
Go

// Copyright 2017 Vector Creations Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package accounts
import (
"context"
"database/sql"
"time"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/clientapi/userutil"
"github.com/matrix-org/gomatrixserverlib"
log "github.com/sirupsen/logrus"
)
const accountsSchema = `
-- Stores data about accounts.
CREATE TABLE IF NOT EXISTS account_accounts (
-- The Matrix user ID localpart for this account
localpart TEXT NOT NULL PRIMARY KEY,
-- When this account was first created, as a unix timestamp (ms resolution).
created_ts BIGINT NOT NULL,
-- The password hash for this account. Can be NULL if this is a passwordless account.
password_hash TEXT,
-- Identifies which application service this account belongs to, if any.
appservice_id TEXT
-- TODO:
-- is_guest, is_admin, upgraded_ts, devices, any email reset stuff?
);
-- Create sequence for autogenerated numeric usernames
CREATE SEQUENCE IF NOT EXISTS numeric_username_seq START 1;
`
const insertAccountSQL = "" +
"INSERT INTO account_accounts(localpart, created_ts, password_hash, appservice_id) VALUES ($1, $2, $3, $4)"
const selectAccountByLocalpartSQL = "" +
"SELECT localpart, appservice_id FROM account_accounts WHERE localpart = $1"
const selectPasswordHashSQL = "" +
"SELECT password_hash FROM account_accounts WHERE localpart = $1"
const selectNewNumericLocalpartSQL = "" +
"SELECT nextval('numeric_username_seq')"
// TODO: Update password
type accountsStatements struct {
insertAccountStmt *sql.Stmt
selectAccountByLocalpartStmt *sql.Stmt
selectPasswordHashStmt *sql.Stmt
selectNewNumericLocalpartStmt *sql.Stmt
serverName gomatrixserverlib.ServerName
}
func (s *accountsStatements) prepare(db *sql.DB, server gomatrixserverlib.ServerName) (err error) {
_, err = db.Exec(accountsSchema)
if err != nil {
return
}
if s.insertAccountStmt, err = db.Prepare(insertAccountSQL); err != nil {
return
}
if s.selectAccountByLocalpartStmt, err = db.Prepare(selectAccountByLocalpartSQL); err != nil {
return
}
if s.selectPasswordHashStmt, err = db.Prepare(selectPasswordHashSQL); err != nil {
return
}
if s.selectNewNumericLocalpartStmt, err = db.Prepare(selectNewNumericLocalpartSQL); err != nil {
return
}
s.serverName = server
return
}
// insertAccount creates a new account. 'hash' should be the password hash for this account. If it is missing,
// this account will be passwordless. Returns an error if this account already exists. Returns the account
// on success.
func (s *accountsStatements) insertAccount(
ctx context.Context, localpart, hash, appserviceID string,
) (*authtypes.Account, error) {
createdTimeMS := time.Now().UnixNano() / 1000000
stmt := s.insertAccountStmt
var err error
if appserviceID == "" {
_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, nil)
} else {
_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, appserviceID)
}
if err != nil {
return nil, err
}
return &authtypes.Account{
Localpart: localpart,
UserID: userutil.MakeUserID(localpart, s.serverName),
ServerName: s.serverName,
AppServiceID: appserviceID,
}, nil
}
func (s *accountsStatements) selectPasswordHash(
ctx context.Context, localpart string,
) (hash string, err error) {
err = s.selectPasswordHashStmt.QueryRowContext(ctx, localpart).Scan(&hash)
return
}
func (s *accountsStatements) selectAccountByLocalpart(
ctx context.Context, localpart string,
) (*authtypes.Account, error) {
var appserviceIDPtr sql.NullString
var acc authtypes.Account
stmt := s.selectAccountByLocalpartStmt
err := stmt.QueryRowContext(ctx, localpart).Scan(&acc.Localpart, &appserviceIDPtr)
if err != nil {
if err != sql.ErrNoRows {
log.WithError(err).Error("Unable to retrieve user from the db")
}
return nil, err
}
if appserviceIDPtr.Valid {
acc.AppServiceID = appserviceIDPtr.String
}
acc.UserID = userutil.MakeUserID(localpart, s.serverName)
acc.ServerName = s.serverName
return &acc, nil
}
func (s *accountsStatements) selectNewNumericLocalpart(
ctx context.Context,
) (id int64, err error) {
err = s.selectNewNumericLocalpartStmt.QueryRowContext(ctx).Scan(&id)
return
}