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/*
This file implements the auth exchange.
When Bilibili live client established the WebSocket connection successfully,
it sends this message at first. The server then responses a OpConnectOk exchange with body `{"code":0}` which indicates success.
*/
package dmpkg
import (
"encoding/json"
"fmt"
"github.com/keuin/slbr/bilibili"
)
type authInfo struct {
UID uint64 `json:"uid"`
RoomId bilibili.RoomId `json:"roomid"`
ProtoVer int `json:"protover"`
Platform string `json:"platform"`
Type int `json:"type"`
Key string `json:"key"`
}
// NewAuth creates a new authentication exchange.
func NewAuth(protocol ProtocolVer, roomId bilibili.RoomId, authKey string) (exc DanmakuExchange) {
exc, _ = NewPlainExchange(OpConnect, authInfo{
UID: UidGuest,
RoomId: roomId,
ProtoVer: int(protocol),
Platform: PlatformWeb,
Type: AuthTypeDefault,
Key: authKey,
})
return
}
func IsAuthOk(serverResponse DanmakuExchange) (bool, error) {
if op := serverResponse.Operation; op != OpConnectOk {
return false, fmt.Errorf("server operation is not OpConnectOk: %v", op)
}
var body struct {
Code int `json:"code"`
}
body.Code = 1
err := json.Unmarshal(serverResponse.Body, &body)
if err != nil {
return false, fmt.Errorf("JSON decode error: %w", err)
}
if c := body.Code; c != 0 {
return false, fmt.Errorf("server response code is non-zero: %v", c)
}
return true, nil
}
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