mirror of
https://github.com/matrix-org/dendrite.git
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238 lines
7.6 KiB
Go
238 lines
7.6 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package postgres
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import (
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"context"
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"database/sql"
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"time"
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"github.com/matrix-org/dendrite/clientapi/userutil"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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log "github.com/sirupsen/logrus"
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)
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const accountsSchema = `
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-- Stores data about accounts.
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CREATE TABLE IF NOT EXISTS account_accounts (
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-- The Matrix user ID localpart for this account
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localpart TEXT NOT NULL PRIMARY KEY,
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-- When this account was first created, as a unix timestamp (ms resolution).
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created_ts BIGINT NOT NULL,
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-- The password hash for this account. Can be NULL if this is a passwordless account.
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password_hash TEXT,
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-- Identifies which application service this account belongs to, if any.
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appservice_id TEXT,
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-- If the account is currently active
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is_deactivated BOOLEAN DEFAULT FALSE,
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-- The policy version this user has accepted
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policy_version TEXT
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-- TODO:
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-- is_guest, is_admin, upgraded_ts, devices, any email reset stuff?
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);
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-- Create sequence for autogenerated numeric usernames
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CREATE SEQUENCE IF NOT EXISTS numeric_username_seq START 1;
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`
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const insertAccountSQL = "" +
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"INSERT INTO account_accounts(localpart, created_ts, password_hash, appservice_id, policy_version) VALUES ($1, $2, $3, $4, $5)"
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const updatePasswordSQL = "" +
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"UPDATE account_accounts SET password_hash = $1 WHERE localpart = $2"
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const deactivateAccountSQL = "" +
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"UPDATE account_accounts SET is_deactivated = TRUE WHERE localpart = $1"
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const selectAccountByLocalpartSQL = "" +
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"SELECT localpart, appservice_id FROM account_accounts WHERE localpart = $1"
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const selectPasswordHashSQL = "" +
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"SELECT password_hash FROM account_accounts WHERE localpart = $1 AND is_deactivated = FALSE"
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const selectNewNumericLocalpartSQL = "" +
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"SELECT nextval('numeric_username_seq')"
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const selectPrivacyPolicySQL = "" +
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"SELECT policy_version FROM account_accounts WHERE localpart = $1"
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const batchSelectPrivacyPolicySQL = "" +
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"SELECT localpart FROM account_accounts WHERE policy_version IS NULL or policy_version <> $1"
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const updatePolicyVersionSQL = "" +
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"UPDATE account_accounts SET policy_version = $1 WHERE localpart = $2"
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type accountsStatements struct {
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insertAccountStmt *sql.Stmt
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updatePasswordStmt *sql.Stmt
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deactivateAccountStmt *sql.Stmt
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selectAccountByLocalpartStmt *sql.Stmt
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selectPasswordHashStmt *sql.Stmt
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selectNewNumericLocalpartStmt *sql.Stmt
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selectPrivacyPolicyStmt *sql.Stmt
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batchSelectPrivacyPolicyStmt *sql.Stmt
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updatePolicyVersionStmt *sql.Stmt
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serverName gomatrixserverlib.ServerName
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}
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func (s *accountsStatements) execSchema(db *sql.DB) error {
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_, err := db.Exec(accountsSchema)
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return err
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}
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func (s *accountsStatements) prepare(db *sql.DB, server gomatrixserverlib.ServerName) (err error) {
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s.serverName = server
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return sqlutil.StatementList{
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{&s.insertAccountStmt, insertAccountSQL},
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{&s.updatePasswordStmt, updatePasswordSQL},
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{&s.deactivateAccountStmt, deactivateAccountSQL},
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{&s.selectAccountByLocalpartStmt, selectAccountByLocalpartSQL},
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{&s.selectPasswordHashStmt, selectPasswordHashSQL},
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{&s.selectNewNumericLocalpartStmt, selectNewNumericLocalpartSQL},
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{&s.selectPrivacyPolicyStmt, selectPrivacyPolicySQL},
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{&s.batchSelectPrivacyPolicyStmt, batchSelectPrivacyPolicySQL},
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{&s.updatePolicyVersionStmt, updatePolicyVersionSQL},
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}.Prepare(db)
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}
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// insertAccount creates a new account. 'hash' should be the password hash for this account. If it is missing,
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// this account will be passwordless. Returns an error if this account already exists. Returns the account
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// on success.
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func (s *accountsStatements) insertAccount(
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ctx context.Context, txn *sql.Tx, localpart, hash, appserviceID, policyVersion string,
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) (*api.Account, error) {
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createdTimeMS := time.Now().UnixNano() / 1000000
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stmt := sqlutil.TxStmt(txn, s.insertAccountStmt)
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var err error
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if appserviceID == "" {
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_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, nil, policyVersion)
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} else {
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_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, appserviceID, "")
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}
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if err != nil {
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return nil, err
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}
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return &api.Account{
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Localpart: localpart,
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UserID: userutil.MakeUserID(localpart, s.serverName),
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ServerName: s.serverName,
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AppServiceID: appserviceID,
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}, nil
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}
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func (s *accountsStatements) updatePassword(
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ctx context.Context, localpart, passwordHash string,
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) (err error) {
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_, err = s.updatePasswordStmt.ExecContext(ctx, passwordHash, localpart)
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return
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}
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func (s *accountsStatements) deactivateAccount(
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ctx context.Context, localpart string,
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) (err error) {
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_, err = s.deactivateAccountStmt.ExecContext(ctx, localpart)
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return
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}
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func (s *accountsStatements) selectPasswordHash(
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ctx context.Context, localpart string,
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) (hash string, err error) {
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err = s.selectPasswordHashStmt.QueryRowContext(ctx, localpart).Scan(&hash)
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return
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}
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func (s *accountsStatements) selectAccountByLocalpart(
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ctx context.Context, localpart string,
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) (*api.Account, error) {
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var appserviceIDPtr sql.NullString
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var acc api.Account
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stmt := s.selectAccountByLocalpartStmt
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err := stmt.QueryRowContext(ctx, localpart).Scan(&acc.Localpart, &appserviceIDPtr)
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if err != nil {
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if err != sql.ErrNoRows {
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log.WithError(err).Error("Unable to retrieve user from the db")
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}
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return nil, err
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}
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if appserviceIDPtr.Valid {
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acc.AppServiceID = appserviceIDPtr.String
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}
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acc.UserID = userutil.MakeUserID(localpart, s.serverName)
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acc.ServerName = s.serverName
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return &acc, nil
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}
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func (s *accountsStatements) selectNewNumericLocalpart(
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ctx context.Context, txn *sql.Tx,
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) (id int64, err error) {
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stmt := s.selectNewNumericLocalpartStmt
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if txn != nil {
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stmt = sqlutil.TxStmt(txn, stmt)
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}
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err = stmt.QueryRowContext(ctx).Scan(&id)
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return
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}
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// selectPrivacyPolicy gets the current privacy policy a specific user accepted
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func (s *accountsStatements) selectPrivacyPolicy(
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ctx context.Context, txn *sql.Tx, localPart string,
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) (policy string, err error) {
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stmt := s.selectPrivacyPolicyStmt
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if txn != nil {
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stmt = sqlutil.TxStmt(txn, stmt)
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}
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err = stmt.QueryRowContext(ctx, localPart).Scan(&policy)
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return
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}
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// batchSelectPrivacyPolicy queries all users which didn't accept the current policy version
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func (s *accountsStatements) batchSelectPrivacyPolicy(
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ctx context.Context, txn *sql.Tx, policyVersion string,
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) (userIDs []string, err error) {
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stmt := s.batchSelectPrivacyPolicyStmt
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if txn != nil {
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stmt = sqlutil.TxStmt(txn, stmt)
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}
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rows, err := stmt.QueryContext(ctx, policyVersion)
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defer rows.Close()
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for rows.Next() {
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var userID string
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if err := rows.Scan(&userID); err != nil {
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return userIDs, err
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}
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userIDs = append(userIDs, userID)
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}
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return userIDs, rows.Err()
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}
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// updatePolicyVersion sets the policy_version for a specific user
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func (s *accountsStatements) updatePolicyVersion(
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ctx context.Context, txn *sql.Tx, policyVersion, localpart string,
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) (err error) {
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stmt := s.updatePolicyVersionStmt
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if txn != nil {
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stmt = sqlutil.TxStmt(txn, stmt)
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}
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_, err = stmt.ExecContext(ctx, policyVersion, localpart)
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return err
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}
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