mirror of
https://github.com/idanoo/autobrr
synced 2025-07-22 16:29:12 +00:00
194 lines
4.3 KiB
Go
194 lines
4.3 KiB
Go
// Copyright (c) 2021 - 2025, Ludvig Lundgren and the autobrr contributors.
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// SPDX-License-Identifier: GPL-2.0-or-later
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package proxy
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import (
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"context"
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"net/http"
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"net/url"
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"time"
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"github.com/autobrr/autobrr/internal/domain"
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"github.com/autobrr/autobrr/internal/logger"
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"github.com/autobrr/autobrr/pkg/errors"
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"github.com/autobrr/autobrr/pkg/sharedhttp"
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"github.com/rs/zerolog"
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netProxy "golang.org/x/net/proxy"
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)
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type Service interface {
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List(ctx context.Context) ([]domain.Proxy, error)
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FindByID(ctx context.Context, id int64) (*domain.Proxy, error)
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Store(ctx context.Context, p *domain.Proxy) error
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Update(ctx context.Context, p *domain.Proxy) error
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Delete(ctx context.Context, id int64) error
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Test(ctx context.Context, p *domain.Proxy) error
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}
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type service struct {
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log zerolog.Logger
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repo domain.ProxyRepo
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cache map[int64]*domain.Proxy
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}
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func NewService(log logger.Logger, repo domain.ProxyRepo) Service {
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return &service{
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log: log.With().Str("module", "proxy").Logger(),
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repo: repo,
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cache: make(map[int64]*domain.Proxy),
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}
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}
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func (s *service) Store(ctx context.Context, proxy *domain.Proxy) error {
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if err := proxy.Validate(); err != nil {
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return errors.Wrap(err, "validation error")
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}
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err := s.repo.Store(ctx, proxy)
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if err != nil {
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return err
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}
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s.cache[proxy.ID] = proxy
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return nil
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}
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func (s *service) Update(ctx context.Context, proxy *domain.Proxy) error {
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if err := proxy.Validate(); err != nil {
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return errors.Wrap(err, "validation error")
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}
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err := s.repo.Update(ctx, proxy)
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if err != nil {
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return err
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}
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s.cache[proxy.ID] = proxy
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// TODO update IRC handlers
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return nil
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}
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func (s *service) FindByID(ctx context.Context, id int64) (*domain.Proxy, error) {
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if proxy, ok := s.cache[id]; ok {
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return proxy, nil
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}
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return s.repo.FindByID(ctx, id)
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}
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func (s *service) List(ctx context.Context) ([]domain.Proxy, error) {
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return s.repo.List(ctx)
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}
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func (s *service) ToggleEnabled(ctx context.Context, id int64, enabled bool) error {
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err := s.repo.ToggleEnabled(ctx, id, enabled)
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if err != nil {
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return err
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}
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v, ok := s.cache[id]
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if !ok {
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v.Enabled = !enabled
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s.cache[id] = v
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}
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// TODO update IRC handlers
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return nil
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}
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func (s *service) Delete(ctx context.Context, id int64) error {
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err := s.repo.Delete(ctx, id)
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if err != nil {
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return err
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}
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delete(s.cache, id)
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// TODO update IRC handlers
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return nil
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}
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func (s *service) Test(ctx context.Context, proxy *domain.Proxy) error {
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if !proxy.ValidProxyType() {
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return errors.New("invalid proxy type %s", proxy.Type)
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}
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if proxy.Addr == "" {
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return errors.New("proxy addr missing")
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}
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httpClient, err := GetProxiedHTTPClient(proxy)
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if err != nil {
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return errors.Wrap(err, "could not get http client")
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://autobrr.com", nil)
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if err != nil {
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return errors.Wrap(err, "could not create proxy request")
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}
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resp, err := httpClient.Do(req)
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if err != nil {
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return errors.Wrap(err, "could not connect to proxy server: %s", proxy.Addr)
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}
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if resp.StatusCode != http.StatusOK {
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return errors.New("got unexpected status code: %d", resp.StatusCode)
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}
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s.log.Debug().Msgf("proxy %s test OK!", proxy.Addr)
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return nil
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}
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func GetProxiedHTTPClient(p *domain.Proxy) (*http.Client, error) {
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proxyUrl, err := url.Parse(p.Addr)
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if err != nil {
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return nil, errors.Wrap(err, "could not parse proxy url: %s", p.Addr)
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}
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// set user and pass if not empty
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if p.User != "" && p.Pass != "" {
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proxyUrl.User = url.UserPassword(p.User, p.Pass)
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}
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transport := sharedhttp.ProxyTransport
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// set user and pass if not empty
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if p.User != "" && p.Pass != "" {
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proxyUrl.User = url.UserPassword(p.User, p.Pass)
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}
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switch p.Type {
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case domain.ProxyTypeSocks5:
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proxyDialer, err := netProxy.FromURL(proxyUrl, netProxy.Direct)
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if err != nil {
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return nil, errors.Wrap(err, "could not create proxy dialer from url: %s", p.Addr)
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}
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proxyContextDialer, ok := proxyDialer.(netProxy.ContextDialer)
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if !ok {
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return nil, errors.Wrap(err, "proxy dialer does not expose DialContext(): %v", proxyDialer)
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}
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transport.DialContext = proxyContextDialer.DialContext
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default:
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return nil, errors.New("invalid proxy type: %s", p.Type)
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}
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client := &http.Client{
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Timeout: 30 * time.Second,
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Transport: transport,
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}
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return client, nil
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}
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