60 lines
1003 B
Go
60 lines
1003 B
Go
package nip05
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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)
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type (
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Name2KeyMap map[string]string
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Key2RelaysMap map[string][]string
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)
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type WellKnownResponse struct {
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Names Name2KeyMap `json:"names"` // NIP-05
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Relays Key2RelaysMap `json:"relays"` // NIP-35
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}
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func QueryIdentifier(fullname string) string {
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spl := strings.Split(fullname, "@")
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var name, domain string
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switch len(spl) {
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case 1:
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name = "_"
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domain = spl[0]
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case 2:
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name = spl[0]
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domain = spl[1]
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default:
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return ""
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}
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if strings.Index(domain, ".") == -1 {
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return ""
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}
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res, err := http.Get(fmt.Sprintf("https://%s/.well-known/nostr.json?name=%s", domain, name))
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if err != nil {
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return ""
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}
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var result WellKnownResponse
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if err := json.NewDecoder(res.Body).Decode(&result); err != nil {
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return ""
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}
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pubkey, _ := result.Names[name]
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return pubkey
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}
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func NormalizeIdentifier(fullname string) string {
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if strings.HasPrefix(fullname, "_@") {
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return fullname[2:]
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}
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return fullname
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}
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