refactor: use a boostrap service to bootstrap the app

internal/service/auth_service.go

@@ -25,7 +25,7 @@ type AuthServiceConfig struct {
 	Users             []config.User
 	OauthWhitelist    string
 	SessionExpiry     int
-	CookieSecure      bool
+	SecureCookie      bool
 	Domain            string
 	LoginTimeout      int
 	LoginMaxRetries   int
@@ -57,10 +57,11 @@ func (auth *AuthService) Init() error {
 	store.Options = &sessions.Options{
 		Path:     "/",
 		MaxAge:   auth.Config.SessionExpiry,
-		Secure:   auth.Config.CookieSecure,
+		Secure:   auth.Config.SecureCookie,
 		HttpOnly: true,
 		Domain:   fmt.Sprintf(".%s", auth.Config.Domain),
 	}
+	auth.Store = store
 	return nil
 }
 
@@ -70,7 +71,7 @@ func (auth *AuthService) GetSession(c *gin.Context) (*sessions.Session, error) {
 	// If there was an error getting the session, it might be invalid so let's clear it and retry
 	if err != nil {
 		log.Error().Err(err).Msg("Invalid session, clearing cookie and retrying")
-		c.SetCookie(auth.Config.SessionCookieName, "", -1, "/", fmt.Sprintf(".%s", auth.Config.Domain), auth.Config.CookieSecure, true)
+		c.SetCookie(auth.Config.SessionCookieName, "", -1, "/", fmt.Sprintf(".%s", auth.Config.Domain), auth.Config.SecureCookie, true)
 		session, err = auth.Store.Get(c.Request, auth.Config.SessionCookieName)
 		if err != nil {
 			log.Error().Err(err).Msg("Failed to get session")

internal/service/github_oauth_service.go

@@ -11,6 +11,7 @@ import (
 	"tinyauth/internal/config"
 
 	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/endpoints"
 )
 
 var GithubOAuthScopes = []string{"user:email", "read:user"}
@@ -39,6 +40,7 @@ func NewGithubOAuthService(config config.OAuthServiceConfig) *GithubOAuthService
 			ClientSecret: config.ClientSecret,
 			RedirectURL:  config.RedirectURL,
 			Scopes:       GithubOAuthScopes,
+			Endpoint:     endpoints.GitHub,
 		},
 	}
 }

internal/service/google_oauth_service.go

@@ -11,6 +11,7 @@ import (
 	"tinyauth/internal/config"
 
 	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/endpoints"
 )
 
 var GoogleOAuthScopes = []string{"https://www.googleapis.com/auth/userinfo.email", "https://www.googleapis.com/auth/userinfo.profile"}
@@ -34,6 +35,7 @@ func NewGoogleOAuthService(config config.OAuthServiceConfig) *GoogleOAuthService
 			ClientSecret: config.ClientSecret,
 			RedirectURL:  config.RedirectURL,
 			Scopes:       GoogleOAuthScopes,
+			Endpoint:     endpoints.Google,
 		},
 	}
 }