Files
mal/internal/playback/service.go

68 lines
2.0 KiB
Go

// Package playback manages video playback, including episode sources and subtitle management.
package playback
import (
"fmt"
"mal/integrations/jikan"
"mal/internal/domain"
"mal/internal/playback/proxytarget"
netutil "mal/pkg/net"
"net/http"
"time"
"golang.org/x/sync/singleflight"
)
type playbackService struct {
repo domain.PlaybackRepository
providers []domain.Provider
jikan *jikan.Client
episodes domain.EpisodeService
httpClient *http.Client
proxyTokenKey string
proxyTokens *proxyTokenStore
sourceCache *sourceCache
sourceFlight singleflight.Group
auditSvc domain.AuditService
}
type ProxyTokenKey string
func NewPlaybackService(repo domain.PlaybackRepository, providers []domain.Provider, jikan *jikan.Client, episodes domain.EpisodeService, auditSvc domain.AuditService, proxyTokenKey ProxyTokenKey) domain.PlaybackService {
return &playbackService{
repo: repo,
providers: providers,
jikan: jikan,
episodes: episodes,
auditSvc: auditSvc,
httpClient: netutil.NewClient(),
proxyTokenKey: string(proxyTokenKey),
proxyTokens: newProxyTokenStore(),
sourceCache: newSourceCache(defaultSourceCacheTTL, defaultSourceCacheStaleTTL, defaultSourceCacheMaxEntries),
}
}
func (s *playbackService) SignProxyToken(targetURL, referer, scope string) (string, error) {
if s.proxyTokenKey == "" {
return "", nil
}
if err := proxytarget.Validate(targetURL); err != nil {
return "", err
}
return s.proxyTokens.create(targetURL, referer, scope, 2*time.Hour, time.Now())
}
func (s *playbackService) ResolveProxyToken(token string, scope string) (string, string, error) {
if s.proxyTokenKey == "" {
return "", "", fmt.Errorf("proxy token key not configured")
}
target, err := s.proxyTokens.resolve(token, time.Now())
if err != nil {
return "", "", err
}
if target.scope != scope {
return "", "", fmt.Errorf("invalid proxy token scope")
}
return target.targetURL, target.referer, nil
}