mirror of https://github.com/miniflux/v2.git
125 lines
2.9 KiB
Go
125 lines
2.9 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package storage // import "miniflux.app/storage"
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import (
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"database/sql"
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"fmt"
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"miniflux.app/crypto"
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"miniflux.app/model"
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)
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// CreateAppSessionWithUserPrefs creates a new application session with the given user preferences.
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func (s *Storage) CreateAppSessionWithUserPrefs(userID int64) (*model.Session, error) {
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user, err := s.UserByID(userID)
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if err != nil {
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return nil, err
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}
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session := model.Session{
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ID: crypto.GenerateRandomString(32),
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Data: &model.SessionData{
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CSRF: crypto.GenerateRandomString(64),
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Theme: user.Theme,
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Language: user.Language,
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},
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}
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return s.createAppSession(&session)
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}
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// CreateAppSession creates a new application session.
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func (s *Storage) CreateAppSession() (*model.Session, error) {
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session := model.Session{
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ID: crypto.GenerateRandomString(32),
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Data: &model.SessionData{
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CSRF: crypto.GenerateRandomString(64),
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},
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}
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return s.createAppSession(&session)
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}
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func (s *Storage) createAppSession(session *model.Session) (*model.Session, error) {
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query := `INSERT INTO sessions (id, data) VALUES ($1, $2)`
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_, err := s.db.Exec(query, session.ID, session.Data)
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if err != nil {
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return nil, fmt.Errorf(`store: unable to create app session: %v`, err)
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}
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return session, nil
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}
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// UpdateAppSessionField updates only one session field.
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func (s *Storage) UpdateAppSessionField(sessionID, field string, value interface{}) error {
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query := `
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UPDATE
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sessions
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SET
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data = jsonb_set(data, '{%s}', to_jsonb($1::text), true)
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WHERE
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id=$2
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`
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_, err := s.db.Exec(fmt.Sprintf(query, field), value, sessionID)
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if err != nil {
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return fmt.Errorf(`store: unable to update session field: %v`, err)
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}
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return nil
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}
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// AppSession returns the given session.
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func (s *Storage) AppSession(id string) (*model.Session, error) {
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var session model.Session
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query := "SELECT id, data FROM sessions WHERE id=$1"
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err := s.db.QueryRow(query, id).Scan(
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&session.ID,
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&session.Data,
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)
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switch {
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case err == sql.ErrNoRows:
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return nil, fmt.Errorf(`store: session not found: %s`, id)
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case err != nil:
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return nil, fmt.Errorf(`store: unable to fetch session: %v`, err)
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default:
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return &session, nil
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}
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}
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// FlushAllSessions removes all sessions from the database.
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func (s *Storage) FlushAllSessions() (err error) {
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_, err = s.db.Exec(`DELETE FROM user_sessions`)
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if err != nil {
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return err
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}
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_, err = s.db.Exec(`DELETE FROM sessions`)
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if err != nil {
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return err
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}
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return nil
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}
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// CleanOldSessions removes sessions older than specified days.
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func (s *Storage) CleanOldSessions(days int) int64 {
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query := `
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DELETE FROM
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sessions
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WHERE
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id IN (SELECT id FROM sessions WHERE created_at < now() - interval '%d days')
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`
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result, err := s.db.Exec(fmt.Sprintf(query, days))
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if err != nil {
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return 0
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}
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n, _ := result.RowsAffected()
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return n
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}
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