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config.go
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config.go
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package core
import (
"fmt"
"math/rand"
"regexp"
"strconv"
"strings"
"time"
"gx/ipfs/QmTRhk7cgjUf2gfQ3p2M9KPECNZEW9XUrmHcFCgog4cPgB/go-libp2p-peer"
"gx/ipfs/QmUJYo4etAQqFfSS2rarFAE97eNGB8ej64YkRT2SmsYD4r/go-ipfs/repo"
"gx/ipfs/QmUJYo4etAQqFfSS2rarFAE97eNGB8ej64YkRT2SmsYD4r/go-ipfs/repo/fsrepo"
"github.com/textileio/textile-go/repo/config"
)
const minPort = 1024
const maxPort = 49151
var tcpPortRx = regexp.MustCompile("/tcp/([0-9]+)$")
var wsPortRx = regexp.MustCompile("/tcp/([0-9]+)/ws$")
// Config returns the textile configuration file
func (t *Textile) Config() *config.Config {
return t.config
}
// GetRandomPort returns a port within the acceptable range
func GetRandomPort() string {
rand.Seed(time.Now().UTC().UnixNano())
return strconv.Itoa(rand.Intn(maxPort-minPort) + minPort)
}
// applyTextileConfigOptions update textile config w/ init options
func applyTextileConfigOptions(init InitConfig) error {
conf, err := config.Read(init.RepoPath)
if err != nil {
return err
}
// determine the account thread id
pk, err := init.Account.LibP2PPubKey()
if err != nil {
return err
}
atid, err := peer.IDFromPublicKey(pk)
if err != nil {
return err
}
// account settings
conf.Account.Address = init.Account.Address()
conf.Account.Thread = atid.Pretty()
// address settings
conf.Addresses.API = init.ApiAddr
conf.Addresses.CafeAPI = init.CafeApiAddr
conf.Addresses.Gateway = init.GatewayAddr
// log settings
conf.Logs.LogToDisk = init.LogToDisk
// profile settings
conf.IsServer = init.IsServer
conf.IsMobile = init.IsMobile
// cafe settings
conf.Cafe.Host.Open = init.CafeOpen
conf.Cafe.Host.PublicIP = init.CafePublicIP
conf.Cafe.Host.HttpURL = init.CafeHttpURL
// write to disk
return config.Write(init.RepoPath, conf)
}
// updateBootstrapConfig adds additional peers to the bootstrap config
func updateBootstrapConfig(repoPath string, add []string, rm []string) error {
rep, err := fsrepo.Open(repoPath)
if err != nil {
return err
}
defer func() {
if err := rep.Close(); err != nil {
log.Error(err)
}
}()
conf, err := rep.Config()
if err != nil {
return err
}
var final []string
// get a list that does not include items in rm
outer:
for _, bp := range conf.Bootstrap {
for _, r := range rm {
if bp == r {
continue outer
}
}
final = append(final, bp)
}
for _, p := range add {
final = append(final, p)
}
return config.UpdateIpfs(rep, "Bootstrap", final)
}
// loadSwarmPorts returns the swarm ports in the ipfs config
func loadSwarmPorts(repoPath string) (*config.SwarmPorts, error) {
rep, err := fsrepo.Open(repoPath)
if err != nil {
return nil, err
}
defer func() {
if err := rep.Close(); err != nil {
log.Error(err)
}
}()
conf, err := rep.Config()
if err != nil {
return nil, err
}
ports := &config.SwarmPorts{}
for _, p := range conf.Addresses.Swarm {
tcp := tcpPortRx.FindStringSubmatch(p)
if len(tcp) == 2 {
ports.TCP = tcp[1]
}
ws := wsPortRx.FindStringSubmatch(p)
if len(ws) == 2 {
ports.WS = ws[1]
}
}
return ports, nil
}
// applySwarmPortConfigOption sets custom swarm ports (tcp and ws)
func applySwarmPortConfigOption(rep repo.Repo, ports string) error {
var parts []string
if ports != "" {
parts = strings.Split(ports, ",")
}
var tcp, ws string
switch len(parts) {
case 1:
tcp = parts[0]
case 2:
tcp = parts[0]
ws = parts[1]
default:
tcp = GetRandomPort()
}
list := []string{
fmt.Sprintf("/ip4/0.0.0.0/tcp/%s", tcp),
fmt.Sprintf("/ip6/::/tcp/%s", tcp),
}
if ws != "" {
list = append(list, fmt.Sprintf("/ip4/0.0.0.0/tcp/%s/ws", ws))
list = append(list, fmt.Sprintf("/ip6/::/tcp/%s/ws", ws))
}
return config.UpdateIpfs(rep, "Addresses.Swarm", list)
}
// applyServerConfigOption adds the IPFS server profile to the repo config
func applyServerConfigOption(rep repo.Repo, isServer bool) error {
if isServer {
if err := config.UpdateIpfs(rep, "Addresses.NoAnnounce", config.DefaultServerFilters); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Swarm.AddrFilters", config.DefaultServerFilters); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Swarm.EnableRelayHop", true); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Discovery.MDNS.Enabled", false); err != nil {
return err
}
log.Info("applied server profile")
} else {
if err := config.UpdateIpfs(rep, "Addresses.NoAnnounce", []string{}); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Swarm.AddrFilters", []string{}); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Swarm.EnableRelayHop", false); err != nil {
return err
}
if err := config.UpdateIpfs(rep, "Discovery.MDNS.Enabled", true); err != nil {
return err
}
}
return nil
}