82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package nwc
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import (
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"errors"
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"net/url"
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"lol.mleku.dev/chk"
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"next.orly.dev/pkg/crypto/encryption"
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"next.orly.dev/pkg/crypto/p256k"
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"next.orly.dev/pkg/interfaces/signer"
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)
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type ConnectionParams struct {
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clientSecretKey signer.I
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walletPublicKey []byte
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conversationKey []byte
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relay string
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}
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// GetWalletPublicKey returns the wallet public key from the ConnectionParams.
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func (c *ConnectionParams) GetWalletPublicKey() []byte {
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return c.walletPublicKey
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}
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// GetConversationKey returns the conversation key from the ConnectionParams.
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func (c *ConnectionParams) GetConversationKey() []byte {
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return c.conversationKey
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}
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func ParseConnectionURI(nwcUri string) (parts *ConnectionParams, err error) {
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var p *url.URL
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if p, err = url.Parse(nwcUri); chk.E(err) {
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return
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}
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if p == nil {
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err = errors.New("invalid uri")
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return
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}
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parts = &ConnectionParams{}
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if p.Scheme != "nostr+walletconnect" {
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err = errors.New("incorrect scheme")
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return
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}
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if parts.walletPublicKey, err = p256k.HexToBin(p.Host); chk.E(err) {
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err = errors.New("invalid public key")
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return
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}
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query := p.Query()
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var ok bool
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var relay []string
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if relay, ok = query["relay"]; !ok {
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err = errors.New("missing relay parameter")
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return
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}
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if len(relay) == 0 {
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return nil, errors.New("no relays")
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}
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parts.relay = relay[0]
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var secret string
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if secret = query.Get("secret"); secret == "" {
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err = errors.New("missing secret parameter")
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return
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}
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var secretBytes []byte
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if secretBytes, err = p256k.HexToBin(secret); chk.E(err) {
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err = errors.New("invalid secret")
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return
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}
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clientKey := &p256k.Signer{}
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if err = clientKey.InitSec(secretBytes); chk.E(err) {
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return
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}
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parts.clientSecretKey = clientKey
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if parts.conversationKey, err = encryption.GenerateConversationKeyWithSigner(
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clientKey,
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parts.walletPublicKey,
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); chk.E(err) {
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return
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}
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return
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}
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