Esempio n. 1
0
func publish(ctx context.Context, n *core.IpfsNode, k crypto.PrivKey, ref path.Path) (*IpnsEntry, error) {
	// First, verify the path exists
	_, err := core.Resolve(ctx, n, ref)
	if err != nil {
		return nil, err
	}

	err = n.Namesys.Publish(ctx, k, ref)
	if err != nil {
		return nil, err
	}

	hash, err := k.GetPublic().Hash()
	if err != nil {
		return nil, err
	}

	return &IpnsEntry{
		Name:  key.Key(hash).String(),
		Value: ref.String(),
	}, nil
}
Esempio n. 2
0
// Resolve resolves the given path by parsing out protocol-specific
// entries (e.g. /ipns/<node-key>) and then going through the /ipfs/
// entries and returning the final merkledage node.  Effectively
// enables /ipns/, /dns/, etc. in commands.
func Resolve(ctx context.Context, n *IpfsNode, p path.Path) (*merkledag.Node, error) {
	if strings.HasPrefix(p.String(), "/ipns/") {
		// resolve ipns paths

		// TODO(cryptix): we sould be able to query the local cache for the path
		if n.Namesys == nil {
			return nil, ErrNoNamesys
		}

		seg := p.Segments()

		if len(seg) < 2 || seg[1] == "" { // just "/<protocol/>" without further segments
			return nil, path.ErrNoComponents
		}

		extensions := seg[2:]
		resolvable, err := path.FromSegments("/", seg[0], seg[1])
		if err != nil {
			return nil, err
		}

		respath, err := n.Namesys.Resolve(ctx, resolvable.String())
		if err != nil {
			return nil, err
		}

		segments := append(respath.Segments(), extensions...)
		p, err = path.FromSegments("/", segments...)
		if err != nil {
			return nil, err
		}
	}

	// ok, we have an ipfs path now (or what we'll treat as one)
	return n.Resolver.ResolvePath(ctx, p)
}