/
namesys.go
59 lines (53 loc) · 1.43 KB
/
namesys.go
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package namesys
import (
context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
ci "github.com/jbenet/go-ipfs/p2p/crypto"
routing "github.com/jbenet/go-ipfs/routing"
u "github.com/jbenet/go-ipfs/util"
)
// ipnsNameSystem implements IPNS naming.
//
// Uses three Resolvers:
// (a) ipfs routing naming: SFS-like PKI names.
// (b) dns domains: resolves using links in DNS TXT records
// (c) proquints: interprets string as the raw byte data.
//
// It can only publish to: (a) ipfs routing naming.
//
type ipns struct {
resolvers []Resolver
publisher Publisher
}
// NewNameSystem will construct the IPFS naming system based on Routing
func NewNameSystem(r routing.IpfsRouting) NameSystem {
return &ipns{
resolvers: []Resolver{
new(DNSResolver),
new(ProquintResolver),
NewRoutingResolver(r),
},
publisher: NewRoutingPublisher(r),
}
}
// Resolve implements Resolver
func (ns *ipns) Resolve(ctx context.Context, name string) (u.Key, error) {
for _, r := range ns.resolvers {
if r.CanResolve(name) {
return r.Resolve(ctx, name)
}
}
return "", ErrResolveFailed
}
// CanResolve implements Resolver
func (ns *ipns) CanResolve(name string) bool {
for _, r := range ns.resolvers {
if r.CanResolve(name) {
return true
}
}
return false
}
// Publish implements Publisher
func (ns *ipns) Publish(ctx context.Context, name ci.PrivKey, value u.Key) error {
return ns.publisher.Publish(ctx, name, value)
}