mirror of
https://github.com/pagefaultgames/rogueserver.git
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fa57f5997f
* Need a login check * chore: Add Discord OAuth2 authentication endpoint chore: Update dependencies and clean up code chore: Update dependencies, add Discord OAuth2 authentication endpoint, and clean up code chore: Update dependencies, add Google OAuth2 authentication endpoint, and clean up code Code clean up uniqueness on external account id chore: Add Discord and Google OAuth2 authentication endpoints, and update dependencies code review fixes * chore: Update prodHandler to use clienturl flag for Access-Control-Allow-Origin * chore: Refactor FetchDiscordIdByUsername and FetchGoogleIdByUsername to handle null values * chore: Set secure and same-site attributes for session cookie * chore: Set session cookie expiration to 3 months * Update callback URL for Oauth2 client in docker-compose and rogueserver.go * Update callback URL for Oauth2 client in docker-compose and rogueserver.go --------- Co-authored-by: Matthew Olker <matthew.olker@gmail.com>
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
/*
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Copyright (C) 2024 Pagefault Games
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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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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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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package account
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import (
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"encoding/json"
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"errors"
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"net/http"
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"net/url"
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"os"
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"github.com/golang-jwt/jwt/v5"
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)
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func HandleGoogleCallback(w http.ResponseWriter, r *http.Request) (string, error) {
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code := r.URL.Query().Get("code")
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gameUrl := os.Getenv("GAME_URL")
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if code == "" {
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defer http.Redirect(w, r, gameUrl, http.StatusSeeOther)
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return "", errors.New("code is empty")
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}
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googleId, err := RetrieveGoogleId(code)
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if err != nil {
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defer http.Redirect(w, r, gameUrl, http.StatusSeeOther)
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return "", err
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}
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return googleId, nil
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}
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func RetrieveGoogleId(code string) (string, error) {
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token, err := http.PostForm("https://oauth2.googleapis.com/token", url.Values{
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"client_id": {os.Getenv("GOOGLE_CLIENT_ID")},
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"client_secret": {os.Getenv("GOOGLE_CLIENT_SECRET")},
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"code": {code},
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"grant_type": {"authorization_code"},
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"redirect_uri": {os.Getenv("GOOGLE_CALLBACK_URL")},
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})
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if err != nil {
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return "", err
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}
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defer token.Body.Close()
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type TokenResponse struct {
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AccessToken string `json:"access_token"`
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TokenType string `json:"token_type"`
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ExpiresIn int `json:"expires_in"`
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IdToken string `json:"id_token"`
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RefreshToken string `json:"refresh_token"`
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Scope string `json:"scope"`
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}
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var tokenResponse TokenResponse
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err = json.NewDecoder(token.Body).Decode(&tokenResponse)
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if err != nil {
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return "", err
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}
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userId, err := parseJWTWithoutValidation(tokenResponse.IdToken)
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if err != nil {
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return "", err
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}
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return userId, nil
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}
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func parseJWTWithoutValidation(idToken string) (string, error) {
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parser := jwt.NewParser()
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// Use ParseUnverified to parse the token without validation
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parsedJwt, _, err := parser.ParseUnverified(idToken, jwt.MapClaims{})
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if err != nil {
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return "", err
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}
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claims, ok := parsedJwt.Claims.(jwt.MapClaims)
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if !ok {
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return "", errors.New("invalid token claims")
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}
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return claims.GetSubject()
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}
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