// ParseMultiaddr parses a multiaddr into an IPFSAddr
func ParseMultiaddr(m ma.Multiaddr) (a IPFSAddr, err error) {
// never panic.
defer func() {
if r := recover(); r != nil {
log.Debug("recovered from panic: ", r)
a = nil
err = ErrInvalidAddr
}
}()
if m == nil {
return nil, ErrInvalidAddr
}
// make sure it's an ipfs addr
parts := ma.Split(m)
if len(parts) < 1 {
return nil, ErrInvalidAddr
}
ipfspart := parts[len(parts)-1] // last part
if ipfspart.Protocols()[0].Code != ma.P_IPFS {
return nil, ErrInvalidAddr
}
// make sure ipfs id parses as a peer.ID
peerIdParts := strings.Split(ipfspart.String(), "/")
peerIdStr := peerIdParts[len(peerIdParts)-1]
id, err := peer.IDB58Decode(peerIdStr)
if err != nil {
return nil, err
}
return ipfsAddr{ma: m, id: id}, nil
}
func TestIDMatches(t *testing.T) {
for _, g := range good {
a, err := ParseString(g)
if err != nil {
t.Error("failed to parse", g, err)
continue
}
sp := strings.Split(g, "/")
sid := sp[len(sp)-1]
id, err := peer.IDB58Decode(sid)
if err != nil {
t.Error("failed to parse", sid, err)
continue
}
if a.ID() != id {
t.Error("not equal", a.ID(), id)
}
}
}
func (qe *QueryEvent) UnmarshalJSON(b []byte) error {
temp := struct {
ID string
Type int
Responses []*peer.PeerInfo
Extra string
}{}
err := json.Unmarshal(b, &temp)
if err != nil {
return err
}
if len(temp.ID) > 0 {
pid, err := peer.IDB58Decode(temp.ID)
if err != nil {
return err
}
qe.ID = pid
}
qe.Type = QueryEventType(temp.Type)
qe.Responses = temp.Responses
qe.Extra = temp.Extra
return nil
}