package cmd import ( "context" "crypto/tls" "errors" "fmt" "net" "net/http" "os" "strings" "time" "github.com/rs/zerolog" "github.com/rs/zerolog/log" "github.com/urfave/cli/v2" "codeberg.org/codeberg/pages/server" "codeberg.org/codeberg/pages/server/cache" "codeberg.org/codeberg/pages/server/certificates" "codeberg.org/codeberg/pages/server/gitea" "codeberg.org/codeberg/pages/server/handler" ) // AllowedCorsDomains lists the domains for which Cross-Origin Resource Sharing is allowed. // TODO: make it a flag var AllowedCorsDomains = []string{ "fonts.codeberg.org", "design.codeberg.org", } // BlacklistedPaths specifies forbidden path prefixes for all Codeberg Pages. // TODO: Make it a flag too var BlacklistedPaths = []string{ "/.well-known/acme-challenge/", } // Serve sets up and starts the web server. func Serve(ctx *cli.Context) error { // Initialize the logger. logLevel, err := zerolog.ParseLevel(ctx.String("log-level")) if err != nil { return err } log.Logger = zerolog.New(zerolog.ConsoleWriter{Out: os.Stderr}).With().Timestamp().Logger().Level(logLevel) giteaRoot := ctx.String("gitea-root") giteaAPIToken := ctx.String("gitea-api-token") rawDomain := ctx.String("raw-domain") mainDomainSuffix := ctx.String("pages-domain") rawInfoPage := ctx.String("raw-info-page") listeningAddress := fmt.Sprintf("%s:%s", ctx.String("host"), ctx.String("port")) enableHTTPServer := ctx.Bool("enable-http-server") acmeAPI := ctx.String("acme-api-endpoint") acmeMail := ctx.String("acme-email") acmeUseRateLimits := ctx.Bool("acme-use-rate-limits") acmeAcceptTerms := ctx.Bool("acme-accept-terms") acmeEabKID := ctx.String("acme-eab-kid") acmeEabHmac := ctx.String("acme-eab-hmac") dnsProvider := ctx.String("dns-provider") if (!acmeAcceptTerms || dnsProvider == "") && acmeAPI != "https://acme.mock.directory" { return errors.New("you must set $ACME_ACCEPT_TERMS and $DNS_PROVIDER, unless $ACME_API is set to https://acme.mock.directory") } allowedCorsDomains := AllowedCorsDomains if rawDomain != "" { allowedCorsDomains = append(allowedCorsDomains, rawDomain) } // Make sure MainDomain has a trailing dot if !strings.HasPrefix(mainDomainSuffix, ".") { mainDomainSuffix = "." + mainDomainSuffix } // Init ssl cert database certDB, closeFn, err := openCertDB(ctx) if err != nil { return err } defer closeFn() keyCache := cache.NewKeyValueCache() challengeCache := cache.NewKeyValueCache() // canonicalDomainCache stores canonical domains canonicalDomainCache := cache.NewKeyValueCache() // dnsLookupCache stores DNS lookups for custom domains dnsLookupCache := cache.NewKeyValueCache() // clientResponseCache stores responses from the Gitea server clientResponseCache := cache.NewKeyValueCache() giteaClient, err := gitea.NewClient(giteaRoot, giteaAPIToken, clientResponseCache, ctx.Bool("enable-symlink-support"), ctx.Bool("enable-lfs-support")) if err != nil { return fmt.Errorf("could not create new gitea client: %v", err) } // Create handler based on settings httpsHandler := handler.Handler(mainDomainSuffix, rawDomain, giteaClient, rawInfoPage, BlacklistedPaths, allowedCorsDomains, dnsLookupCache, canonicalDomainCache) httpHandler := server.SetupHTTPACMEChallengeServer(challengeCache) // Setup listener and TLS log.Info().Msgf("Listening on https://%s", listeningAddress) listener, err := net.Listen("tcp", listeningAddress) if err != nil { return fmt.Errorf("couldn't create listener: %v", err) } listener = tls.NewListener(listener, certificates.TLSConfig(mainDomainSuffix, giteaClient, dnsProvider, acmeUseRateLimits, keyCache, challengeCache, dnsLookupCache, canonicalDomainCache, certDB)) acmeConfig, err := certificates.SetupAcmeConfig(acmeAPI, acmeMail, acmeEabHmac, acmeEabKID, acmeAcceptTerms) if err != nil { return err } if err := certificates.SetupCertificates(mainDomainSuffix, dnsProvider, acmeConfig, acmeUseRateLimits, enableHTTPServer, challengeCache, certDB); err != nil { return err } interval := 12 * time.Hour certMaintainCtx, cancelCertMaintain := context.WithCancel(context.Background()) defer cancelCertMaintain() go certificates.MaintainCertDB(certMaintainCtx, interval, mainDomainSuffix, dnsProvider, acmeUseRateLimits, certDB) if enableHTTPServer { go func() { log.Info().Msg("Start HTTP server listening on :80") err := http.ListenAndServe("[::]:80", httpHandler) if err != nil { log.Panic().Err(err).Msg("Couldn't start HTTP fastServer") } }() } // Start the web fastServer log.Info().Msgf("Start listening on %s", listener.Addr()) if err := http.Serve(listener, httpsHandler); err != nil { log.Panic().Err(err).Msg("Couldn't start fastServer") } return nil }