d553227755
* build(deps): bump github.com/hsanjuan/ipfs-lite from 1.5.0 to 1.6.0 Bumps [github.com/hsanjuan/ipfs-lite](https://github.com/hsanjuan/ipfs-lite) from 1.5.0 to 1.6.0. - [Release notes](https://github.com/hsanjuan/ipfs-lite/releases) - [Commits](https://github.com/hsanjuan/ipfs-lite/compare/v1.5.0...v1.6.0) --- updated-dependencies: - dependency-name: github.com/hsanjuan/ipfs-lite dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/golang-jwt/jwt/v4 from 4.4.3 to 4.5.0 Bumps [github.com/golang-jwt/jwt/v4](https://github.com/golang-jwt/jwt) from 4.4.3 to 4.5.0. - [Release notes](https://github.com/golang-jwt/jwt/releases) - [Changelog](https://github.com/golang-jwt/jwt/blob/main/VERSION_HISTORY.md) - [Commits](https://github.com/golang-jwt/jwt/compare/v4.4.3...v4.5.0) --- updated-dependencies: - dependency-name: github.com/golang-jwt/jwt/v4 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * Update pubsub too * Fix compatiblity with latest libp2p, libipfs * build(deps): bump github.com/libp2p/go-libp2p-raft from 0.3.0 to 0.4.0 Bumps [github.com/libp2p/go-libp2p-raft](https://github.com/libp2p/go-libp2p-raft) from 0.3.0 to 0.4.0. - [Release notes](https://github.com/libp2p/go-libp2p-raft/releases) - [Commits](https://github.com/libp2p/go-libp2p-raft/compare/v0.3.0...v0.4.0) --- updated-dependencies: - dependency-name: github.com/libp2p/go-libp2p-raft dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/multiformats/go-multicodec Bumps [github.com/multiformats/go-multicodec](https://github.com/multiformats/go-multicodec) from 0.7.0 to 0.8.1. - [Release notes](https://github.com/multiformats/go-multicodec/releases) - [Commits](https://github.com/multiformats/go-multicodec/compare/v0.7.0...v0.8.1) --- updated-dependencies: - dependency-name: github.com/multiformats/go-multicodec dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipld/go-car from 0.5.0 to 0.6.0 Bumps [github.com/ipld/go-car](https://github.com/ipld/go-car) from 0.5.0 to 0.6.0. - [Release notes](https://github.com/ipld/go-car/releases) - [Changelog](https://github.com/ipld/go-car/blob/master/.goreleaser.yaml) - [Commits](https://github.com/ipld/go-car/compare/v0.5.0...v0.6.0) --- updated-dependencies: - dependency-name: github.com/ipld/go-car dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump golang.org/x/crypto from 0.5.0 to 0.6.0 Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.5.0 to 0.6.0. - [Release notes](https://github.com/golang/crypto/releases) - [Commits](https://github.com/golang/crypto/compare/v0.5.0...v0.6.0) --- updated-dependencies: - dependency-name: golang.org/x/crypto dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-ds-pebble from 0.1.0 to 0.2.2 Bumps [github.com/ipfs/go-ds-pebble](https://github.com/ipfs/go-ds-pebble) from 0.1.0 to 0.2.2. - [Release notes](https://github.com/ipfs/go-ds-pebble/releases) - [Commits](https://github.com/ipfs/go-ds-pebble/compare/v0.1.0...v0.2.2) --- updated-dependencies: - dependency-name: github.com/ipfs/go-ds-pebble dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ugorji/go/codec from 1.2.8 to 1.2.10 Bumps [github.com/ugorji/go/codec](https://github.com/ugorji/go) from 1.2.8 to 1.2.10. - [Release notes](https://github.com/ugorji/go/releases) - [Commits](https://github.com/ugorji/go/compare/v1.2.8...v1.2.10) --- updated-dependencies: - dependency-name: github.com/ugorji/go/codec dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/libp2p/go-libp2p-http from 0.4.0 to 0.5.0 Bumps [github.com/libp2p/go-libp2p-http](https://github.com/libp2p/go-libp2p-http) from 0.4.0 to 0.5.0. - [Release notes](https://github.com/libp2p/go-libp2p-http/releases) - [Commits](https://github.com/libp2p/go-libp2p-http/compare/v0.4.0...v0.5.0) --- updated-dependencies: - dependency-name: github.com/libp2p/go-libp2p-http dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-ipfs-pinner from 0.2.1 to 0.3.0 Bumps [github.com/ipfs/go-ipfs-pinner](https://github.com/ipfs/go-ipfs-pinner) from 0.2.1 to 0.3.0. - [Release notes](https://github.com/ipfs/go-ipfs-pinner/releases) - [Commits](https://github.com/ipfs/go-ipfs-pinner/compare/v0.2.1...v0.3.0) --- updated-dependencies: - dependency-name: github.com/ipfs/go-ipfs-pinner dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-unixfs from 0.4.3 to 0.4.4 Bumps [github.com/ipfs/go-unixfs](https://github.com/ipfs/go-unixfs) from 0.4.3 to 0.4.4. - [Release notes](https://github.com/ipfs/go-unixfs/releases) - [Commits](https://github.com/ipfs/go-unixfs/compare/v0.4.3...v0.4.4) --- updated-dependencies: - dependency-name: github.com/ipfs/go-unixfs dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-path from 0.3.0 to 0.3.1 Bumps [github.com/ipfs/go-path](https://github.com/ipfs/go-path) from 0.3.0 to 0.3.1. - [Release notes](https://github.com/ipfs/go-path/releases) - [Commits](https://github.com/ipfs/go-path/compare/v0.3.0...v0.3.1) --- updated-dependencies: - dependency-name: github.com/ipfs/go-path dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-ds-crdt from 0.3.9 to 0.3.10 Bumps [github.com/ipfs/go-ds-crdt](https://github.com/ipfs/go-ds-crdt) from 0.3.9 to 0.3.10. - [Release notes](https://github.com/ipfs/go-ds-crdt/releases) - [Commits](https://github.com/ipfs/go-ds-crdt/compare/v0.3.9...v0.3.10) --- updated-dependencies: - dependency-name: github.com/ipfs/go-ds-crdt dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump golang.org/x/crypto from 0.6.0 to 0.7.0 Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.6.0 to 0.7.0. - [Release notes](https://github.com/golang/crypto/releases) - [Commits](https://github.com/golang/crypto/compare/v0.6.0...v0.7.0) --- updated-dependencies: - dependency-name: golang.org/x/crypto dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * build(deps): bump github.com/ipfs/go-ds-pebble from 0.2.2 to 0.2.3 Bumps [github.com/ipfs/go-ds-pebble](https://github.com/ipfs/go-ds-pebble) from 0.2.2 to 0.2.3. - [Release notes](https://github.com/ipfs/go-ds-pebble/releases) - [Commits](https://github.com/ipfs/go-ds-pebble/compare/v0.2.2...v0.2.3) --- updated-dependencies: - dependency-name: github.com/ipfs/go-ds-pebble dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
403 lines
12 KiB
Go
403 lines
12 KiB
Go
// Package client provides a Go Client for the IPFS Cluster API provided
|
|
// by the "api/rest" component. It supports both the HTTP(s) endpoint and
|
|
// the libp2p-http endpoint.
|
|
package client
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/ipfs-cluster/ipfs-cluster/api"
|
|
|
|
shell "github.com/ipfs/go-ipfs-api"
|
|
files "github.com/ipfs/go-libipfs/files"
|
|
logging "github.com/ipfs/go-log/v2"
|
|
host "github.com/libp2p/go-libp2p/core/host"
|
|
peer "github.com/libp2p/go-libp2p/core/peer"
|
|
pnet "github.com/libp2p/go-libp2p/core/pnet"
|
|
ma "github.com/multiformats/go-multiaddr"
|
|
madns "github.com/multiformats/go-multiaddr-dns"
|
|
manet "github.com/multiformats/go-multiaddr/net"
|
|
|
|
"go.opencensus.io/plugin/ochttp"
|
|
"go.opencensus.io/plugin/ochttp/propagation/tracecontext"
|
|
"go.opencensus.io/trace"
|
|
)
|
|
|
|
// Configuration defaults
|
|
var (
|
|
DefaultTimeout = 0
|
|
DefaultAPIAddr = "/ip4/127.0.0.1/tcp/9094"
|
|
DefaultLogLevel = "info"
|
|
DefaultProxyPort = 9095
|
|
ResolveTimeout = 30 * time.Second
|
|
DefaultPort = 9094
|
|
)
|
|
|
|
var loggingFacility = "apiclient"
|
|
var logger = logging.Logger(loggingFacility)
|
|
|
|
// Client interface defines the interface to be used by API clients to
|
|
// interact with the ipfs-cluster-service. All methods take a
|
|
// context.Context as their first parameter, this allows for
|
|
// timing out and canceling of requests as well as recording
|
|
// metrics and tracing of requests through the API.
|
|
type Client interface {
|
|
// ID returns information about the cluster Peer.
|
|
ID(context.Context) (api.ID, error)
|
|
|
|
// Peers requests ID information for all cluster peers.
|
|
Peers(context.Context, chan<- api.ID) error
|
|
// PeerAdd adds a new peer to the cluster.
|
|
PeerAdd(ctx context.Context, pid peer.ID) (api.ID, error)
|
|
// PeerRm removes a current peer from the cluster
|
|
PeerRm(ctx context.Context, pid peer.ID) error
|
|
|
|
// Add imports files to the cluster from the given paths.
|
|
Add(ctx context.Context, paths []string, params api.AddParams, out chan<- api.AddedOutput) error
|
|
// AddMultiFile imports new files from a MultiFileReader.
|
|
AddMultiFile(ctx context.Context, multiFileR *files.MultiFileReader, params api.AddParams, out chan<- api.AddedOutput) error
|
|
|
|
// Pin tracks a Cid with the given replication factor and a name for
|
|
// human-friendliness.
|
|
Pin(ctx context.Context, ci api.Cid, opts api.PinOptions) (api.Pin, error)
|
|
// Unpin untracks a Cid from cluster.
|
|
Unpin(ctx context.Context, ci api.Cid) (api.Pin, error)
|
|
|
|
// PinPath resolves given path into a cid and performs the pin operation.
|
|
PinPath(ctx context.Context, path string, opts api.PinOptions) (api.Pin, error)
|
|
// UnpinPath resolves given path into a cid and performs the unpin operation.
|
|
// It returns api.Pin of the given cid before it is unpinned.
|
|
UnpinPath(ctx context.Context, path string) (api.Pin, error)
|
|
|
|
// Allocations returns the consensus state listing all tracked items
|
|
// and the peers that should be pinning them.
|
|
Allocations(ctx context.Context, filter api.PinType, out chan<- api.Pin) error
|
|
// Allocation returns the current allocations for a given Cid.
|
|
Allocation(ctx context.Context, ci api.Cid) (api.Pin, error)
|
|
|
|
// Status returns the current ipfs state for a given Cid. If local is true,
|
|
// the information affects only the current peer, otherwise the information
|
|
// is fetched from all cluster peers.
|
|
Status(ctx context.Context, ci api.Cid, local bool) (api.GlobalPinInfo, error)
|
|
// StatusCids status information for the requested CIDs.
|
|
StatusCids(ctx context.Context, cids []api.Cid, local bool, out chan<- api.GlobalPinInfo) error
|
|
// StatusAll gathers Status() for all tracked items.
|
|
StatusAll(ctx context.Context, filter api.TrackerStatus, local bool, out chan<- api.GlobalPinInfo) error
|
|
|
|
// Recover retriggers pin or unpin ipfs operations for a Cid in error
|
|
// state. If local is true, the operation is limited to the current
|
|
// peer, otherwise it happens on every cluster peer.
|
|
Recover(ctx context.Context, ci api.Cid, local bool) (api.GlobalPinInfo, error)
|
|
// RecoverAll triggers Recover() operations on all tracked items. If
|
|
// local is true, the operation is limited to the current peer.
|
|
// Otherwise, it happens everywhere.
|
|
RecoverAll(ctx context.Context, local bool, out chan<- api.GlobalPinInfo) error
|
|
|
|
// Alerts returns information health events in the cluster (expired
|
|
// metrics etc.).
|
|
Alerts(ctx context.Context) ([]api.Alert, error)
|
|
|
|
// Version returns the ipfs-cluster peer's version.
|
|
Version(context.Context) (api.Version, error)
|
|
|
|
// IPFS returns an instance of go-ipfs-api's Shell, pointing to a
|
|
// Cluster's IPFS proxy endpoint.
|
|
IPFS(context.Context) *shell.Shell
|
|
|
|
// GetConnectGraph returns an ipfs-cluster connection graph.
|
|
GetConnectGraph(context.Context) (api.ConnectGraph, error)
|
|
|
|
// Metrics returns a map with the latest metrics of matching name
|
|
// for the current cluster peers.
|
|
Metrics(ctx context.Context, name string) ([]api.Metric, error)
|
|
|
|
// MetricNames returns the list of metric types.
|
|
MetricNames(ctx context.Context) ([]string, error)
|
|
|
|
// RepoGC runs garbage collection on IPFS daemons of cluster peers and
|
|
// returns collected CIDs. If local is true, it would garbage collect
|
|
// only on contacted peer, otherwise on all peers' IPFS daemons.
|
|
RepoGC(ctx context.Context, local bool) (api.GlobalRepoGC, error)
|
|
}
|
|
|
|
// Config allows to configure the parameters to connect
|
|
// to the ipfs-cluster REST API.
|
|
type Config struct {
|
|
// Enable SSL support. Only valid without APIAddr.
|
|
SSL bool
|
|
// Skip certificate verification (insecure)
|
|
NoVerifyCert bool
|
|
|
|
// Username and password for basic authentication
|
|
Username string
|
|
Password string
|
|
|
|
// The ipfs-cluster REST API endpoint in multiaddress form
|
|
// (takes precedence over host:port). It this address contains
|
|
// an /ipfs/, /p2p/ or /dnsaddr, the API will be contacted
|
|
// through a libp2p tunnel, thus getting encryption for
|
|
// free. Using the libp2p tunnel will ignore any configurations.
|
|
APIAddr ma.Multiaddr
|
|
|
|
// REST API endpoint host and port. Only valid without
|
|
// APIAddr.
|
|
Host string
|
|
Port string
|
|
|
|
// If APIAddr is provided, and the peer uses private networks (pnet),
|
|
// then we need to provide the key. If the peer is the cluster peer,
|
|
// this corresponds to the cluster secret.
|
|
ProtectorKey pnet.PSK
|
|
|
|
// ProxyAddr is used to obtain a go-ipfs-api Shell instance pointing
|
|
// to the ipfs proxy endpoint of ipfs-cluster. If empty, the location
|
|
// will be guessed from one of APIAddr/Host,
|
|
// and the port used will be ipfs-cluster's proxy default port (9095)
|
|
ProxyAddr ma.Multiaddr
|
|
|
|
// Define timeout for network operations
|
|
Timeout time.Duration
|
|
|
|
// Specifies if we attempt to re-use connections to the same
|
|
// hosts.
|
|
DisableKeepAlives bool
|
|
|
|
// LogLevel defines the verbosity of the logging facility
|
|
LogLevel string
|
|
}
|
|
|
|
// AsTemplateFor creates client configs from resolved multiaddresses
|
|
func (c *Config) AsTemplateFor(addrs []ma.Multiaddr) []*Config {
|
|
var cfgs []*Config
|
|
for _, addr := range addrs {
|
|
cfg := *c
|
|
cfg.APIAddr = addr
|
|
cfgs = append(cfgs, &cfg)
|
|
}
|
|
return cfgs
|
|
}
|
|
|
|
// AsTemplateForResolvedAddress creates client configs from a multiaddress
|
|
func (c *Config) AsTemplateForResolvedAddress(ctx context.Context, addr ma.Multiaddr) ([]*Config, error) {
|
|
resolvedAddrs, err := resolveAddr(ctx, addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return c.AsTemplateFor(resolvedAddrs), nil
|
|
}
|
|
|
|
// DefaultClient provides methods to interact with the ipfs-cluster API. Use
|
|
// NewDefaultClient() to create one.
|
|
type defaultClient struct {
|
|
ctx context.Context
|
|
cancel context.CancelFunc
|
|
config *Config
|
|
transport *http.Transport
|
|
net string
|
|
hostname string
|
|
client *http.Client
|
|
p2p host.Host
|
|
}
|
|
|
|
// NewDefaultClient initializes a client given a Config.
|
|
func NewDefaultClient(cfg *Config) (Client, error) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
client := &defaultClient{
|
|
ctx: ctx,
|
|
cancel: cancel,
|
|
config: cfg,
|
|
}
|
|
|
|
if client.config.Port == "" {
|
|
client.config.Port = fmt.Sprintf("%d", DefaultPort)
|
|
}
|
|
|
|
err := client.setupAPIAddr()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = client.resolveAPIAddr()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = client.setupHTTPClient()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = client.setupHostname()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = client.setupProxy()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if lvl := cfg.LogLevel; lvl != "" {
|
|
logging.SetLogLevel(loggingFacility, lvl)
|
|
} else {
|
|
logging.SetLogLevel(loggingFacility, DefaultLogLevel)
|
|
}
|
|
|
|
return client, nil
|
|
}
|
|
|
|
func (c *defaultClient) setupAPIAddr() error {
|
|
if c.config.APIAddr != nil {
|
|
return nil // already setup by user
|
|
}
|
|
|
|
var addr ma.Multiaddr
|
|
var err error
|
|
|
|
if c.config.Host == "" { //default
|
|
addr, err := ma.NewMultiaddr(DefaultAPIAddr)
|
|
c.config.APIAddr = addr
|
|
return err
|
|
}
|
|
|
|
var addrStr string
|
|
ip := net.ParseIP(c.config.Host)
|
|
switch {
|
|
case ip == nil:
|
|
addrStr = fmt.Sprintf("/dns4/%s/tcp/%s", c.config.Host, c.config.Port)
|
|
case ip.To4() != nil:
|
|
addrStr = fmt.Sprintf("/ip4/%s/tcp/%s", c.config.Host, c.config.Port)
|
|
default:
|
|
addrStr = fmt.Sprintf("/ip6/%s/tcp/%s", c.config.Host, c.config.Port)
|
|
}
|
|
|
|
addr, err = ma.NewMultiaddr(addrStr)
|
|
c.config.APIAddr = addr
|
|
return err
|
|
}
|
|
|
|
func (c *defaultClient) resolveAPIAddr() error {
|
|
// Only resolve libp2p addresses. For HTTP addresses, we let
|
|
// the default client handle any resolving. We extract the hostname
|
|
// in setupHostname()
|
|
if !IsPeerAddress(c.config.APIAddr) {
|
|
return nil
|
|
}
|
|
resolved, err := resolveAddr(c.ctx, c.config.APIAddr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.config.APIAddr = resolved[0]
|
|
return nil
|
|
}
|
|
|
|
func (c *defaultClient) setupHTTPClient() error {
|
|
var err error
|
|
|
|
switch {
|
|
case IsPeerAddress(c.config.APIAddr):
|
|
err = c.enableLibp2p()
|
|
case isUnixSocketAddress(c.config.APIAddr):
|
|
err = c.enableUnix()
|
|
case c.config.SSL:
|
|
err = c.enableTLS()
|
|
default:
|
|
c.defaultTransport()
|
|
}
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
c.client = &http.Client{
|
|
Transport: &ochttp.Transport{
|
|
Base: c.transport,
|
|
Propagation: &tracecontext.HTTPFormat{},
|
|
StartOptions: trace.StartOptions{SpanKind: trace.SpanKindClient},
|
|
FormatSpanName: func(req *http.Request) string { return req.Host + ":" + req.URL.Path + ":" + req.Method },
|
|
NewClientTrace: ochttp.NewSpanAnnotatingClientTrace,
|
|
},
|
|
Timeout: c.config.Timeout,
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *defaultClient) setupHostname() error {
|
|
// Extract host:port form APIAddr or use Host:Port.
|
|
// For libp2p, hostname is set in enableLibp2p()
|
|
// For unix sockets, hostname set in enableUnix()
|
|
if IsPeerAddress(c.config.APIAddr) || isUnixSocketAddress(c.config.APIAddr) {
|
|
return nil
|
|
}
|
|
_, hostname, err := manet.DialArgs(c.config.APIAddr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
c.hostname = hostname
|
|
return nil
|
|
}
|
|
|
|
func (c *defaultClient) setupProxy() error {
|
|
if c.config.ProxyAddr != nil {
|
|
return nil
|
|
}
|
|
|
|
// Guess location from APIAddr
|
|
port, err := ma.NewMultiaddr(fmt.Sprintf("/tcp/%d", DefaultProxyPort))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.config.ProxyAddr = ma.Split(c.config.APIAddr)[0].Encapsulate(port)
|
|
return nil
|
|
}
|
|
|
|
// IPFS returns an instance of go-ipfs-api's Shell, pointing to the
|
|
// configured ProxyAddr (or to the default Cluster's IPFS proxy port).
|
|
// It re-uses this Client's HTTP client, thus will be constrained by
|
|
// the same configurations affecting it (timeouts...).
|
|
func (c *defaultClient) IPFS(ctx context.Context) *shell.Shell {
|
|
return shell.NewShellWithClient(c.config.ProxyAddr.String(), c.client)
|
|
}
|
|
|
|
// IsPeerAddress detects if the given multiaddress identifies a libp2p peer,
|
|
// either because it has the /p2p/ protocol or because it uses /dnsaddr/
|
|
func IsPeerAddress(addr ma.Multiaddr) bool {
|
|
if addr == nil {
|
|
return false
|
|
}
|
|
pid, err := addr.ValueForProtocol(ma.P_P2P)
|
|
dnsaddr, err2 := addr.ValueForProtocol(ma.P_DNSADDR)
|
|
return (pid != "" && err == nil) || (dnsaddr != "" && err2 == nil)
|
|
}
|
|
|
|
// isUnixSocketAddress returns if the given address corresponds to a
|
|
// unix socket.
|
|
func isUnixSocketAddress(addr ma.Multiaddr) bool {
|
|
if addr == nil {
|
|
return false
|
|
}
|
|
value, err := addr.ValueForProtocol(ma.P_UNIX)
|
|
return (value != "" && err == nil)
|
|
}
|
|
|
|
// resolve addr
|
|
func resolveAddr(ctx context.Context, addr ma.Multiaddr) ([]ma.Multiaddr, error) {
|
|
resolveCtx, cancel := context.WithTimeout(ctx, ResolveTimeout)
|
|
defer cancel()
|
|
resolved, err := madns.Resolve(resolveCtx, addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(resolved) == 0 {
|
|
return nil, fmt.Errorf("resolving %s returned 0 results", addr)
|
|
}
|
|
|
|
return resolved, nil
|
|
}
|