Exemplo n.º 1
0
// FromIP converts a net.IP type to a Multiaddr.
func FromIP(ip net.IP) (ma.Multiaddr, error) {
	switch {
	case ip.To4() != nil:
		return ma.NewMultiaddr("/ip4/" + ip.String())
	case ip.To16() != nil:
		return ma.NewMultiaddr("/ip6/" + ip.String())
	default:
		return nil, errIncorrectNetAddr
	}
}
Exemplo n.º 2
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func parseUtpNetAddr(a net.Addr) (ma.Multiaddr, error) {
	acc, ok := a.(*utp.Addr)
	if !ok {
		return nil, errIncorrectNetAddr
	}

	// Get UDP Addr
	ac, ok := acc.Child().(*net.UDPAddr)
	if !ok {
		return nil, errIncorrectNetAddr
	}

	// Get IP Addr
	ipm, err := FromIP(ac.IP)
	if err != nil {
		return nil, errIncorrectNetAddr
	}

	// Get UDP Addr
	utpm, err := ma.NewMultiaddr(fmt.Sprintf("/udp/%d/utp", ac.Port))
	if err != nil {
		return nil, errIncorrectNetAddr
	}

	// Encapsulate
	return ipm.Encapsulate(utpm), nil
}
Exemplo n.º 3
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func newMultiaddr(t *testing.T, s string) ma.Multiaddr {
	maddr, err := ma.NewMultiaddr(s)
	if err != nil {
		t.Fatal(err)
	}
	return maddr
}
Exemplo n.º 4
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func init() {
	// initialize ZeroLocalTCPAddress
	maddr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0")
	if err != nil {
		panic(err)
	}
	ZeroLocalTCPAddress = maddr
}
Exemplo n.º 5
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// serveHTTPGateway collects options, creates listener, prints status message and starts serving requests
func serveHTTPGateway(req cmds.Request) (error, <-chan error) {
	cfg, err := req.InvocContext().GetConfig()
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: GetConfig() failed: %s", err), nil
	}

	gatewayMaddr, err := ma.NewMultiaddr(cfg.Addresses.Gateway)
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: invalid gateway address: %q (err: %s)", cfg.Addresses.Gateway, err), nil
	}

	writable, writableOptionFound, err := req.Option(writableKwd).Bool()
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: req.Option(%s) failed: %s", writableKwd, err), nil
	}
	if writableOptionFound {
		cfg.Gateway.Writable = writable
	}

	gwLis, err := manet.Listen(gatewayMaddr)
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: manet.Listen(%s) failed: %s", gatewayMaddr, err), nil
	}
	// we might have listened to /tcp/0 - lets see what we are listing on
	gatewayMaddr = gwLis.Multiaddr()

	if writable {
		fmt.Printf("Gateway (writable) server listening on %s\n", gatewayMaddr)
	} else {
		fmt.Printf("Gateway (readonly) server listening on %s\n", gatewayMaddr)
	}

	var opts = []corehttp.ServeOption{
		corehttp.MetricsCollectionOption("gateway"),
		corehttp.CommandsROOption(*req.InvocContext()),
		corehttp.VersionOption(),
		corehttp.IPNSHostnameOption(),
		corehttp.GatewayOption("/ipfs", "/ipns"),
	}

	if len(cfg.Gateway.RootRedirect) > 0 {
		opts = append(opts, corehttp.RedirectOption("", cfg.Gateway.RootRedirect))
	}

	node, err := req.InvocContext().ConstructNode()
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: ConstructNode() failed: %s", err), nil
	}

	errc := make(chan error)
	go func() {
		errc <- corehttp.Serve(node, gwLis.NetListener(), opts...)
		close(errc)
	}()
	return nil, errc
}
Exemplo n.º 6
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// ParseString parses a string representation of an address into an IPFSAddr
func ParseString(str string) (a IPFSAddr, err error) {
	if str == "" {
		return nil, ErrInvalidAddr
	}

	m, err := ma.NewMultiaddr(str)
	if err != nil {
		return nil, err
	}

	return ParseMultiaddr(m)
}
Exemplo n.º 7
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func TestParseMultiaddrBad(t *testing.T) {
	for _, b := range bad {
		m, err := ma.NewMultiaddr(b)
		if err != nil {
			continue // skip these.
		}

		if _, err := ParseMultiaddr(m); err == nil {
			t.Error("succeeded in parsing", m)
		}
	}
}
Exemplo n.º 8
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func listenAddresses(cfg *config.Config) ([]ma.Multiaddr, error) {
	var listen []ma.Multiaddr
	for _, addr := range cfg.Addresses.Swarm {
		maddr, err := ma.NewMultiaddr(addr)
		if err != nil {
			return nil, fmt.Errorf("Failure to parse config.Addresses.Swarm: %s", cfg.Addresses.Swarm)
		}
		listen = append(listen, maddr)
	}

	return listen, nil
}
Exemplo n.º 9
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// getApiClient checks the repo, and the given options, checking for
// a running API service. if there is one, it returns a client.
// otherwise, it returns errApiNotRunning, or another error.
func getApiClient(repoPath, apiAddrStr string) (cmdsHttp.Client, error) {

	if apiAddrStr == "" {
		var err error
		if apiAddrStr, err = fsrepo.APIAddr(repoPath); err != nil {
			return nil, err
		}
	}

	addr, err := ma.NewMultiaddr(apiAddrStr)
	if err != nil {
		return nil, err
	}

	return apiClientForAddr(addr)
}
Exemplo n.º 10
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// ListenAndServe runs an HTTP server listening at |listeningMultiAddr| with
// the given serve options. The address must be provided in multiaddr format.
//
// TODO intelligently parse address strings in other formats so long as they
// unambiguously map to a valid multiaddr. e.g. for convenience, ":8080" should
// map to "/ip4/0.0.0.0/tcp/8080".
func ListenAndServe(n *core.IpfsNode, listeningMultiAddr string, options ...ServeOption) error {
	addr, err := ma.NewMultiaddr(listeningMultiAddr)
	if err != nil {
		return err
	}

	list, err := manet.Listen(addr)
	if err != nil {
		return err
	}

	// we might have listened to /tcp/0 - lets see what we are listing on
	addr = list.Multiaddr()
	fmt.Printf("API server listening on %s\n", addr)

	return Serve(n, list.NetListener(), options...)
}
Exemplo n.º 11
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func main() {
	flag.Parse()

	// extract address from host flag
	addr, err := ma.NewMultiaddr(*host)
	if err != nil {
		log.Fatal("NewMultiaddr() failed: ", err)
	}
	p := addr.Protocols()
	if len(p) < 2 {
		log.Fatal("need two protocols in host flag (/ip/tcp): ", addr)
	}
	_, host, err := manet.DialArgs(addr)
	if err != nil {
		log.Fatal("manet.DialArgs() failed: ", err)
	}

	if *verbose { // lower log level
		logging.SetDebugLogging()
	}

	// construct url to dial
	var u url.URL
	u.Scheme = "http"
	u.Host = host
	u.Path = *endpoint

	// show what we got
	start := time.Now()
	log.Debug("starting at %s, tries: %d, timeout: %s, url: %s", start, *tries, *timeout, u)

	for *tries > 0 {

		err := checkOK(http.Get(u.String()))
		if err == nil {
			log.Debugf("ok -  endpoint reachable with %d tries remaining, took %s", *tries, time.Since(start))
			os.Exit(0)
		}
		log.Debug("get failed: ", err)
		time.Sleep(*timeout)
		*tries--
	}

	log.Error("failed.")
	os.Exit(1)
}
Exemplo n.º 12
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// serveHTTPGateway collects options, creates listener, prints status message and starts serving requests
func serveHTTPGateway(node *core.OpenBazaarNode) (error, <-chan bool, <-chan error) {

	cfg, err := node.Context.GetConfig()
	if err != nil {
		return nil, nil, nil
	}

	gatewayMaddr, err := ma.NewMultiaddr(cfg.Addresses.Gateway)
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: invalid gateway address: %q (err: %s)", cfg.Addresses.Gateway, err), nil, nil
	}

	writable := cfg.Gateway.Writable

	gwLis, err := manet.Listen(gatewayMaddr)
	if err != nil {
		return fmt.Errorf("serveHTTPGateway: manet.Listen(%s) failed: %s", gatewayMaddr, err), nil, nil
	}
	// we might have listened to /tcp/0 - lets see what we are listing on
	gatewayMaddr = gwLis.Multiaddr()

	log.Infof("Gateway/API server listening on %s\n", gatewayMaddr)

	var opts = []corehttp.ServeOption{
		corehttp.MetricsCollectionOption("gateway"),
		corehttp.CommandsROOption(node.Context),
		corehttp.VersionOption(),
		corehttp.IPNSHostnameOption(),
		corehttp.GatewayOption(writable, cfg.Gateway.PathPrefixes),
	}

	if len(cfg.Gateway.RootRedirect) > 0 {
		opts = append(opts, corehttp.RedirectOption("", cfg.Gateway.RootRedirect))
	}

	if err != nil {
		return fmt.Errorf("serveHTTPGateway: ConstructNode() failed: %s", err), nil, nil
	}
	errc := make(chan error)
	cb := make(chan bool)
	go func() {
		errc <- api.Serve(cb, node, node.Context, gwLis.NetListener(), opts...)
		close(errc)
	}()
	return nil, cb, errc
}
Exemplo n.º 13
0
// RandLocalTCPAddress returns a random multiaddr. it suppresses errors
// for nice composability-- do check the address isn't nil.
//
// Note: for real network tests, use ZeroLocalTCPAddress so the kernel
// assigns an unused TCP port. otherwise you may get clashes. This
// function remains here so that p2p/net/mock (which does not touch the
// real network) can assign different addresses to peers.
func RandLocalTCPAddress() ma.Multiaddr {

	// chances are it will work out, but it **might** fail if the port is in use
	// most ports above 10000 aren't in use by long running processes, so yay.
	// (maybe there should be a range of "loopback" ports that are guaranteed
	// to be open for the process, but naturally can only talk to self.)

	lastPort.Lock()
	if lastPort.port == 0 {
		lastPort.port = 10000 + SeededRand.Intn(50000)
	}
	port := lastPort.port
	lastPort.port++
	lastPort.Unlock()

	addr := fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", port)
	maddr, _ := ma.NewMultiaddr(addr)
	return maddr
}
Exemplo n.º 14
0
func parseTcpNetAddr(a net.Addr) (ma.Multiaddr, error) {
	ac, ok := a.(*net.TCPAddr)
	if !ok {
		return nil, errIncorrectNetAddr
	}

	// Get IP Addr
	ipm, err := FromIP(ac.IP)
	if err != nil {
		return nil, errIncorrectNetAddr
	}

	// Get TCP Addr
	tcpm, err := ma.NewMultiaddr(fmt.Sprintf("/tcp/%d", ac.Port))
	if err != nil {
		return nil, errIncorrectNetAddr
	}

	// Encapsulate
	return ipm.Encapsulate(tcpm), nil
}
Exemplo n.º 15
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func (p *PointersDB) GetAll() ([]ipfs.Pointer, error) {
	p.lock.Lock()
	defer p.lock.Unlock()
	stm := "select * from pointers"
	rows, err := p.db.Query(stm)
	if err != nil {
		log.Error(err)
		return nil, err
	}
	var ret []ipfs.Pointer
	for rows.Next() {
		var pointerID string
		var key string
		var address string
		var purpose int
		var timestamp int
		if err := rows.Scan(&pointerID, &key, &address, &purpose, &timestamp); err != nil {
			log.Error(err)
		}
		maAddr, err := ma.NewMultiaddr(address)
		if err != nil {
			return ret, err
		}
		pid, err := peer.IDB58Decode(pointerID)
		if err != nil {
			return ret, err
		}
		pointer := ipfs.Pointer{
			Key: keys.B58KeyDecode(key),
			Value: peer.PeerInfo{
				ID:    pid,
				Addrs: []ma.Multiaddr{maAddr},
			},
			Purpose:   ipfs.Purpose(purpose),
			Timestamp: time.Unix(int64(timestamp), 0),
		}
		ret = append(ret, pointer)
	}
	return ret, nil
}
Exemplo n.º 16
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func (s *SelfHostedStorage) Store(peerID peer.ID, ciphertext []byte) (ma.Multiaddr, error) {
	b := sha256.Sum256(ciphertext)
	hash := hex.EncodeToString(b[:])
	filePath := path.Join(s.repoPath, "outbox", hash)
	f, err := os.Create(filePath)
	defer f.Close()
	if err != nil {
		return nil, err
	}
	_, ferr := f.Write(ciphertext)
	if ferr != nil {
		return nil, ferr
	}
	addr, err := ipfs.AddFile(s.context, filePath)
	if err != nil {
		return nil, err
	}
	maAddr, err := ma.NewMultiaddr("/ipfs/" + addr + "/")
	if err != nil {
		return nil, err
	}
	return maAddr, nil
}
Exemplo n.º 17
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func (s *DropBoxStorage) Store(peerID peer.ID, ciphertext []byte) (ma.Multiaddr, error) {
	api := dropbox.Client(s.apiToken, dropbox.Options{Verbose: true})
	hash := sha256.Sum256(ciphertext)
	hex := hex.EncodeToString(hash[:])

	// Upload ciphertext
	uploadArg := files.NewCommitInfo("/" + hex)
	r := bytes.NewReader(ciphertext)
	_, err := api.Upload(uploadArg, r)
	if err != nil {
		return nil, err
	}

	// Set public sharing
	sharingArg := sharing.NewCreateSharedLinkArg("/" + hex)
	res, err := api.CreateSharedLink(sharingArg)
	if err != nil {
		return nil, err
	}

	// Create encoded multiaddr
	url := res.Url[:len(res.Url)-1] + "1"
	b, err := mh.Encode([]byte(url), mh.SHA1)
	if err != nil {
		return nil, err
	}
	m, err := mh.Cast(b)
	if err != nil {
		return nil, err
	}

	addr, err := ma.NewMultiaddr("/ipfs/" + m.B58String() + "/https/")
	if err != nil {
		return nil, err
	}
	return addr, nil
}
Exemplo n.º 18
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func (m *mapping) ExternalAddr() (ma.Multiaddr, error) {
	if time.Now().Sub(m.cacheTime) < CacheTime {
		return m.cached, nil
	}

	if m.ExternalPort() == 0 { // dont even try right now.
		return nil, ErrNoMapping
	}

	ip, err := m.nat.nat.GetExternalAddress()
	if err != nil {
		return nil, err
	}

	ipmaddr, err := manet.FromIP(ip)
	if err != nil {
		return nil, fmt.Errorf("error parsing ip")
	}

	// call m.ExternalPort again, as mapping may have changed under our feet. (tocttou)
	extport := m.ExternalPort()
	if extport == 0 {
		return nil, ErrNoMapping
	}

	tcp, err := ma.NewMultiaddr(fmt.Sprintf("/%s/%d", m.Protocol(), extport))
	if err != nil {
		return nil, err
	}

	maddr2 := ipmaddr.Encapsulate(tcp)

	m.cached = maddr2
	m.cacheTime = time.Now()
	return maddr2, nil
}
Exemplo n.º 19
0
func ParsePeerParam(text string) (ma.Multiaddr, peer.ID, error) {
	// to be replaced with just multiaddr parsing, once ptp is a multiaddr protocol
	idx := strings.LastIndex(text, "/")
	if idx == -1 {
		pid, err := peer.IDB58Decode(text)
		if err != nil {
			return nil, "", err
		}

		return nil, pid, nil
	}

	addrS := text[:idx]
	peeridS := text[idx+1:]

	var maddr ma.Multiaddr
	var pid peer.ID

	// make sure addrS parses as a multiaddr.
	if len(addrS) > 0 {
		var err error
		maddr, err = ma.NewMultiaddr(addrS)
		if err != nil {
			return nil, "", err
		}
	}

	// make sure idS parses as a peer.ID
	var err error
	pid, err = peer.IDB58Decode(peeridS)
	if err != nil {
		return nil, "", err
	}

	return maddr, pid, nil
}
Exemplo n.º 20
0
func (x *Start) Execute(args []string) error {
	printSplashScreen()

	// set repo path
	var repoPath string
	if x.Testnet {
		repoPath = "~/.openbazaar2-testnet"
	} else {
		repoPath = "~/.openbazaar2"
	}
	expPath, _ := homedir.Expand(filepath.Clean(repoPath))

	// Database
	sqliteDB, err := db.Create(expPath, x.Password, x.Testnet)
	if err != nil {
		return err
	}

	// logging
	w := &lumberjack.Logger{
		Filename:   path.Join(expPath, "logs", "ob.log"),
		MaxSize:    10, // megabytes
		MaxBackups: 3,
		MaxAge:     30, //days
	}
	backendStdout := logging.NewLogBackend(os.Stdout, "", 0)
	backendFile := logging.NewLogBackend(w, "", 0)
	backendStdoutFormatter := logging.NewBackendFormatter(backendStdout, stdoutLogFormat)
	backendFileFormatter := logging.NewBackendFormatter(backendFile, fileLogFormat)
	logging.SetBackend(backendFileFormatter, backendStdoutFormatter)

	ipfslogging.LdJSONFormatter()
	w2 := &lumberjack.Logger{
		Filename:   path.Join(expPath, "logs", "ipfs.log"),
		MaxSize:    10, // megabytes
		MaxBackups: 3,
		MaxAge:     30, //days
	}
	ipfslogging.Output(w2)()

	// initalize the ipfs repo if it doesn't already exist
	err = repo.DoInit(os.Stdout, expPath, 4096, x.Testnet, x.Password, sqliteDB.Config().Init)
	if err != nil && err != repo.ErrRepoExists {
		log.Error(err)
		return err
	}

	// if the db can't be decrypted, exit
	if sqliteDB.Config().IsEncrypted() {
		return encryptedDatabaseError
	}

	// ipfs node setup
	r, err := fsrepo.Open(repoPath)
	if err != nil {
		log.Error(err)
		return err
	}
	cctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	cfg, err := r.Config()
	if err != nil {
		log.Error(err)
		return err
	}

	identityKey, err := sqliteDB.Config().GetIdentityKey()
	if err != nil {
		log.Error(err)
		return err
	}
	identity, err := ipfs.IdentityFromKey(identityKey)
	if err != nil {
		return err
	}
	cfg.Identity = identity

	// Run stun and set uTP port
	if x.STUN {
		for i, addr := range cfg.Addresses.Swarm {
			m, _ := ma.NewMultiaddr(addr)
			p := m.Protocols()
			if p[0].Name == "ip4" && p[1].Name == "udp" && p[2].Name == "utp" {
				port, serr := net.Stun()
				if serr != nil {
					log.Error(serr)
					return err
				}
				cfg.Addresses.Swarm = append(cfg.Addresses.Swarm[:i], cfg.Addresses.Swarm[i+1:]...)
				cfg.Addresses.Swarm = append(cfg.Addresses.Swarm, "/ip4/0.0.0.0/udp/"+strconv.Itoa(port)+"/utp")
				break
			}
		}
	}

	ncfg := &ipfscore.BuildCfg{
		Repo:   r,
		Online: true,
	}
	nd, err := ipfscore.NewNode(cctx, ncfg)
	if err != nil {
		log.Error(err)
		return err
	}
	ctx := commands.Context{}
	ctx.Online = true
	ctx.ConfigRoot = expPath
	ctx.LoadConfig = func(path string) (*config.Config, error) {
		return fsrepo.ConfigAt(expPath)
	}
	ctx.ConstructNode = func() (*ipfscore.IpfsNode, error) {
		return nd, nil
	}

	log.Info("Peer ID: ", nd.Identity.Pretty())
	printSwarmAddrs(nd)

	// Get current directory root hash
	_, ipnskey := namesys.IpnsKeysForID(nd.Identity)
	ival, _ := nd.Repo.Datastore().Get(ipnskey.DsKey())
	val := ival.([]byte)
	dhtrec := new(dhtpb.Record)
	proto.Unmarshal(val, dhtrec)
	e := new(namepb.IpnsEntry)
	proto.Unmarshal(dhtrec.GetValue(), e)

	// Wallet
	mn, err := sqliteDB.Config().GetMnemonic()
	if err != nil {
		log.Error(err)
		return err
	}
	var params chaincfg.Params
	if !x.Testnet {
		params = chaincfg.MainNetParams
	} else {
		params = chaincfg.TestNet3Params
	}
	libbitcoinServers, err := repo.GetLibbitcoinServers(path.Join(expPath, "config"))
	if err != nil {
		log.Error(err)
		return err
	}
	maxFee, err := repo.GetMaxFee(path.Join(expPath, "config"))
	if err != nil {
		log.Error(err)
		return err
	}
	feeApi, err := repo.GetFeeAPI(path.Join(expPath, "config"))
	if err != nil {
		log.Error(err)
		return err
	}
	low, medium, high, err := repo.GetDefaultFees(path.Join(expPath, "config"))
	if err != nil {
		log.Error(err)
		return err
	}
	wallet := libbitcoin.NewLibbitcoinWallet(mn, &params, sqliteDB, libbitcoinServers, maxFee, low, medium, high, feeApi)

	// Offline messaging storage
	var storage sto.OfflineMessagingStorage
	if x.Storage == "self-hosted" || x.Storage == "" {
		storage = selfhosted.NewSelfHostedStorage(expPath, ctx)
	} else if x.Storage == "dropbox" {
		token, err := repo.GetDropboxApiToken(path.Join(expPath, "config"))
		if err != nil {
			log.Error(err)
			return err
		} else if token == "" {
			err = errors.New("Dropbox token not set in config file")
			log.Error(err)
			return err
		}
		storage, err = dropbox.NewDropBoxStorage(token)
		if err != nil {
			log.Error(err)
			return err
		}
	} else {
		err = errors.New("Invalid storage option")
		log.Error(err)
		return err
	}

	// OpenBazaar node setup
	core.Node = &core.OpenBazaarNode{
		Context:        ctx,
		IpfsNode:       nd,
		RootHash:       ipath.Path(e.Value).String(),
		RepoPath:       expPath,
		Datastore:      sqliteDB,
		Wallet:         wallet,
		MessageStorage: storage,
	}

	var gwErrc <-chan error
	var cb <-chan bool
	if len(cfg.Addresses.Gateway) > 0 {
		var err error
		err, cb, gwErrc = serveHTTPGateway(core.Node)
		if err != nil {
			log.Error(err)
			return err
		}
	}

	// Wait for gateway to start before starting the network service.
	// This way the websocket channel we pass into the service gets created first.
	// FIXME: There has to be a better way
	for b := range cb {
		if b == true {
			OBService := service.SetupOpenBazaarService(nd, core.Node.Broadcast, ctx, sqliteDB)
			core.Node.Service = OBService
			MR := net.NewMessageRetriever(sqliteDB, ctx, nd, OBService, 16, core.Node.SendOfflineAck)
			go MR.Run()
			core.Node.MessageRetriever = MR
			PR := net.NewPointerRepublisher(nd, sqliteDB)
			go PR.Run()
			core.Node.PointerRepublisher = PR
		}
		break
	}

	for err := range gwErrc {
		fmt.Println(err)
	}

	return nil
}
Exemplo n.º 21
0
// FromNetAddr converts a net.Addr type to a Multiaddr.
func FromNetAddr(a net.Addr) (ma.Multiaddr, error) {
	if a == nil {
		return nil, fmt.Errorf("nil multiaddr")
	}

	switch a.Network() {
	case "tcp", "tcp4", "tcp6":
		ac, ok := a.(*net.TCPAddr)
		if !ok {
			return nil, errIncorrectNetAddr
		}

		// Get IP Addr
		ipm, err := FromIP(ac.IP)
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Get TCP Addr
		tcpm, err := ma.NewMultiaddr(fmt.Sprintf("/tcp/%d", ac.Port))
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Encapsulate
		return ipm.Encapsulate(tcpm), nil

	case "udp", "upd4", "udp6":
		ac, ok := a.(*net.UDPAddr)
		if !ok {
			return nil, errIncorrectNetAddr
		}

		// Get IP Addr
		ipm, err := FromIP(ac.IP)
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Get UDP Addr
		udpm, err := ma.NewMultiaddr(fmt.Sprintf("/udp/%d", ac.Port))
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Encapsulate
		return ipm.Encapsulate(udpm), nil

	case "utp", "utp4", "utp6":
		acc, ok := a.(*utp.Addr)
		if !ok {
			return nil, errIncorrectNetAddr
		}

		// Get UDP Addr
		ac, ok := acc.Child().(*net.UDPAddr)
		if !ok {
			return nil, errIncorrectNetAddr
		}

		// Get IP Addr
		ipm, err := FromIP(ac.IP)
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Get UDP Addr
		utpm, err := ma.NewMultiaddr(fmt.Sprintf("/udp/%d/utp", ac.Port))
		if err != nil {
			return nil, errIncorrectNetAddr
		}

		// Encapsulate
		return ipm.Encapsulate(utpm), nil

	case "ip", "ip4", "ip6":
		ac, ok := a.(*net.IPAddr)
		if !ok {
			return nil, errIncorrectNetAddr
		}
		return FromIP(ac.IP)

	case "ip+net":
		ac, ok := a.(*net.IPNet)
		if !ok {
			return nil, errIncorrectNetAddr
		}
		return FromIP(ac.IP)

	default:
		return nil, fmt.Errorf("unknown network %v", a.Network())
	}
}
Exemplo n.º 22
0
// serveHTTPApi collects options, creates listener, prints status message and starts serving requests
func serveHTTPApi(req cmds.Request) (error, <-chan error) {
	cfg, err := req.InvocContext().GetConfig()
	if err != nil {
		return fmt.Errorf("serveHTTPApi: GetConfig() failed: %s", err), nil
	}

	apiAddr, _, err := req.Option(commands.ApiOption).String()
	if err != nil {
		return fmt.Errorf("serveHTTPApi: %s", err), nil
	}
	if apiAddr == "" {
		apiAddr = cfg.Addresses.API
	}
	apiMaddr, err := ma.NewMultiaddr(apiAddr)
	if err != nil {
		return fmt.Errorf("serveHTTPApi: invalid API address: %q (err: %s)", apiAddr, err), nil
	}

	apiLis, err := manet.Listen(apiMaddr)
	if err != nil {
		return fmt.Errorf("serveHTTPApi: manet.Listen(%s) failed: %s", apiMaddr, err), nil
	}
	// we might have listened to /tcp/0 - lets see what we are listing on
	apiMaddr = apiLis.Multiaddr()
	fmt.Printf("API server listening on %s\n", apiMaddr)

	// by default, we don't let you load arbitrary ipfs objects through the api,
	// because this would open up the api to scripting vulnerabilities.
	// only the webui objects are allowed.
	// if you know what you're doing, go ahead and pass --unrestricted-api.
	unrestricted, _, err := req.Option(unrestrictedApiAccessKwd).Bool()
	if err != nil {
		return fmt.Errorf("serveHTTPApi: Option(%s) failed: %s", unrestrictedApiAccessKwd, err), nil
	}
	gatewayOpt := corehttp.GatewayOption(corehttp.WebUIPaths...)
	if unrestricted {
		gatewayOpt = corehttp.GatewayOption("/ipfs", "/ipns")
	}

	var opts = []corehttp.ServeOption{
		corehttp.MetricsCollectionOption("api"),
		corehttp.CommandsOption(*req.InvocContext()),
		corehttp.WebUIOption,
		gatewayOpt,
		corehttp.VersionOption(),
		defaultMux("/debug/vars"),
		defaultMux("/debug/pprof/"),
		corehttp.MetricsScrapingOption("/debug/metrics/prometheus"),
		corehttp.LogOption(),
	}

	if len(cfg.Gateway.RootRedirect) > 0 {
		opts = append(opts, corehttp.RedirectOption("", cfg.Gateway.RootRedirect))
	}

	node, err := req.InvocContext().ConstructNode()
	if err != nil {
		return fmt.Errorf("serveHTTPApi: ConstructNode() failed: %s", err), nil
	}

	if err := node.Repo.SetAPIAddr(apiMaddr.String()); err != nil {
		return fmt.Errorf("serveHTTPApi: SetAPIAddr() failed: %s", err), nil
	}

	errc := make(chan error)
	go func() {
		errc <- corehttp.Serve(node, apiLis.NetListener(), opts...)
		close(errc)
	}()
	return nil, errc
}