reflector.go/cmd/getstream.go

80 lines
1.4 KiB
Go

package cmd
import (
"encoding/hex"
"os"
"time"
"github.com/lbryio/reflector.go/peer"
"github.com/lbryio/reflector.go/store"
"github.com/lbryio/lbry.go/v2/stream"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
func init() {
var cmd = &cobra.Command{
Use: "getstream ADDRESS:PORT SDHASH",
Short: "Get a stream from a reflector server",
Args: cobra.ExactArgs(2),
Run: getStreamCmd,
}
rootCmd.AddCommand(cmd)
}
func getStreamCmd(cmd *cobra.Command, args []string) {
addr := args[0]
sdHash := args[1]
s := store.NewCachingStore(
"getstream",
peer.NewStore(peer.StoreOpts{Address: addr}),
store.NewDiskStore("/tmp/lbry_downloaded_blobs", 2),
)
wd, err := os.Getwd()
if err != nil {
log.Fatal(err)
}
var sd stream.SDBlob
sdb, err := s.Get(sdHash)
if err != nil {
log.Fatal(err)
}
err = sd.FromBlob(sdb)
if err != nil {
log.Fatal(err)
}
filename := sd.SuggestedFileName
if filename == "" {
filename = "stream_" + time.Now().Format("20060102_150405")
}
f, err := os.Create(wd + "/" + filename)
if err != nil {
log.Fatal(err)
}
for i := 0; i < len(sd.BlobInfos)-1; i++ {
b, err := s.Get(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
if err != nil {
log.Fatal(err)
}
data, err := b.Plaintext(sd.Key, sd.BlobInfos[i].IV)
if err != nil {
log.Fatal(err)
}
_, err = f.Write(data)
if err != nil {
log.Fatal(err)
}
}
}