76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
/*
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* Copyright (C) 2025. Gardel <sunxinao@hotmail.com> and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package util
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import (
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"encoding/base64"
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"encoding/json"
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"errors"
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"strings"
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)
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type officialTokenPayload struct {
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Xuid string `json:"xuid"`
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Agg string `json:"agg"`
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Sub string `json:"sub"`
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Auth string `json:"auth"`
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Ns string `json:"ns"`
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Roles []interface{} `json:"roles"`
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Iss string `json:"iss"`
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Flags []string `json:"flags"`
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Profiles struct {
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Mc string `json:"mc"`
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} `json:"profiles"`
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Platform string `json:"platform"`
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Pfd []struct {
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Type string `json:"type"`
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Id string `json:"id"`
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Name string `json:"name"`
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} `json:"pfd"`
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Nbf int `json:"nbf"`
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Exp int `json:"exp"`
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Iat int `json:"iat"`
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}
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func ParseOfficialToken(token string) (id, name string, err error) {
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firstDot := strings.IndexRune(token, '.')
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if firstDot == -1 {
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return id, name, errors.New("invalid token")
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}
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secondDot := 1 + firstDot + strings.IndexRune(token[firstDot+1:], '.')
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if secondDot == -1 {
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return id, name, errors.New("invalid token")
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}
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jsonBase64 := token[firstDot+1 : secondDot]
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jsonDecoded, err := base64.RawURLEncoding.DecodeString(jsonBase64)
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if err != nil {
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return id, name, err
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}
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payload := officialTokenPayload{}
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err = json.Unmarshal(jsonDecoded, &payload)
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if err != nil {
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return id, name, err
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}
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if payload.Pfd == nil || len(payload.Pfd) == 0 {
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return id, name, errors.New("invalid token")
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}
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id = payload.Pfd[0].Id
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name = payload.Pfd[0].Name
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return id, name, nil
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}
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