mirror of https://github.com/status-im/op-geth.git
113 lines
3.4 KiB
Go
113 lines
3.4 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/ethereum/go-ethereum/cmd/utils"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/swarm/api"
|
|
swarm "github.com/ethereum/go-ethereum/swarm/api/client"
|
|
"gopkg.in/urfave/cli.v1"
|
|
)
|
|
|
|
var downloadCommand = cli.Command{
|
|
Action: download,
|
|
Name: "down",
|
|
Flags: []cli.Flag{SwarmRecursiveFlag, SwarmAccessPasswordFlag},
|
|
Usage: "downloads a swarm manifest or a file inside a manifest",
|
|
ArgsUsage: " <uri> [<dir>]",
|
|
Description: `Downloads a swarm bzz uri to the given dir. When no dir is provided, working directory is assumed. --recursive flag is expected when downloading a manifest with multiple entries.`,
|
|
}
|
|
|
|
func download(ctx *cli.Context) {
|
|
log.Debug("downloading content using swarm down")
|
|
args := ctx.Args()
|
|
dest := "."
|
|
|
|
switch len(args) {
|
|
case 0:
|
|
utils.Fatalf("Usage: swarm down [options] <bzz locator> [<destination path>]")
|
|
case 1:
|
|
log.Trace(fmt.Sprintf("swarm down: no destination path - assuming working dir"))
|
|
default:
|
|
log.Trace(fmt.Sprintf("destination path arg: %s", args[1]))
|
|
if absDest, err := filepath.Abs(args[1]); err == nil {
|
|
dest = absDest
|
|
} else {
|
|
utils.Fatalf("could not get download path: %v", err)
|
|
}
|
|
}
|
|
|
|
var (
|
|
bzzapi = strings.TrimRight(ctx.GlobalString(SwarmApiFlag.Name), "/")
|
|
isRecursive = ctx.Bool(SwarmRecursiveFlag.Name)
|
|
client = swarm.NewClient(bzzapi)
|
|
)
|
|
|
|
if fi, err := os.Stat(dest); err == nil {
|
|
if isRecursive && !fi.Mode().IsDir() {
|
|
utils.Fatalf("destination path is not a directory!")
|
|
}
|
|
} else {
|
|
if !os.IsNotExist(err) {
|
|
utils.Fatalf("could not stat path: %v", err)
|
|
}
|
|
}
|
|
|
|
uri, err := api.Parse(args[0])
|
|
if err != nil {
|
|
utils.Fatalf("could not parse uri argument: %v", err)
|
|
}
|
|
|
|
dl := func(credentials string) error {
|
|
// assume behaviour according to --recursive switch
|
|
if isRecursive {
|
|
if err := client.DownloadDirectory(uri.Addr, uri.Path, dest, credentials); err != nil {
|
|
if err == swarm.ErrUnauthorized {
|
|
return err
|
|
}
|
|
return fmt.Errorf("directory %s: %v", uri.Path, err)
|
|
}
|
|
} else {
|
|
// we are downloading a file
|
|
log.Debug("downloading file/path from a manifest", "uri.Addr", uri.Addr, "uri.Path", uri.Path)
|
|
|
|
err := client.DownloadFile(uri.Addr, uri.Path, dest, credentials)
|
|
if err != nil {
|
|
if err == swarm.ErrUnauthorized {
|
|
return err
|
|
}
|
|
return fmt.Errorf("file %s from address: %s: %v", uri.Path, uri.Addr, err)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
if passwords := makePasswordList(ctx); passwords != nil {
|
|
password := getPassPhrase(fmt.Sprintf("Downloading %s is restricted", uri), 0, passwords)
|
|
err = dl(password)
|
|
} else {
|
|
err = dl("")
|
|
}
|
|
if err != nil {
|
|
utils.Fatalf("download: %v", err)
|
|
}
|
|
}
|