mirror of
https://github.com/ipfs/kubo.git
synced 2025-09-16 04:02:05 +08:00
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package core
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
merkledag "github.com/ipfs/go-ipfs/merkledag"
|
|
path "github.com/ipfs/go-ipfs/path"
|
|
)
|
|
|
|
// Resolves the given path by parsing out /ipns/ entries and then going
|
|
// through the /ipfs/ entries and returning the final merkledage node.
|
|
// Effectively enables /ipns/ in CLI commands.
|
|
func Resolve(n *IpfsNode, p path.Path) (*merkledag.Node, error) {
|
|
strpath := string(p)
|
|
|
|
// for now, we only try to resolve ipns paths if
|
|
// they begin with "/ipns/". Otherwise, ambiguity
|
|
// emerges when resolving just a <hash>. Is it meant
|
|
// to be an ipfs or an ipns resolution?
|
|
|
|
if strings.HasPrefix(strpath, "/ipns/") {
|
|
// if it's an ipns path, try to resolve it.
|
|
// if we can't, we can give that error back to the user.
|
|
seg := p.Segments()
|
|
if len(seg) < 2 || seg[1] == "" { // just "/ipns/"
|
|
return nil, fmt.Errorf("invalid path: %s", string(p))
|
|
}
|
|
|
|
ipnsPath := seg[1]
|
|
extensions := seg[2:]
|
|
key, err := n.Namesys.Resolve(n.Context(), ipnsPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
pathHead := make([]string, 2)
|
|
pathHead[0] = "ipfs"
|
|
pathHead[1] = key.Pretty()
|
|
|
|
p = path.FromSegments(append(pathHead, extensions...)...)
|
|
//p = path.RebasePath(path.FromSegments(extensions...), basePath)
|
|
}
|
|
|
|
// ok, we have an ipfs path now (or what we'll treat as one)
|
|
return n.Resolver.ResolvePath(p)
|
|
}
|