GoToSocial/internal/api/client/auth/middleware.go

80 lines
3.1 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package auth
import (
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
)
// OauthTokenMiddleware checks if the client has presented a valid oauth Bearer token.
// If so, it will check the User that the token belongs to, and set that in the context of
// the request. Then, it will look up the account for that user, and set that in the request too.
// If user or account can't be found, then the handler won't *fail*, in case the server wants to allow
// public requests that don't have a Bearer token set (eg., for public instance information and so on).
func (m *Module) OauthTokenMiddleware(c *gin.Context) {
l := m.log.WithField("func", "OauthTokenMiddleware")
l.Trace("entering OauthTokenMiddleware")
ti, err := m.server.ValidationBearerToken(c.Copy().Request)
if err != nil {
l.Tracef("could not validate token: %s", err)
return
}
l.Trace("continuing with unauthenticated request")
c.Set(oauth.SessionAuthorizedToken, ti)
l.Tracef("set gin context %s to %+v", oauth.SessionAuthorizedToken, ti)
// check for user-level token
if uid := ti.GetUserID(); uid != "" {
l.Tracef("authenticated user %s with bearer token, scope is %s", uid, ti.GetScope())
// fetch user's and account for this user id
user := &gtsmodel.User{}
if err := m.db.GetByID(uid, user); err != nil || user == nil {
l.Warnf("no user found for validated uid %s", uid)
return
}
c.Set(oauth.SessionAuthorizedUser, user)
l.Tracef("set gin context %s to %+v", oauth.SessionAuthorizedUser, user)
acct := &gtsmodel.Account{}
if err := m.db.GetByID(user.AccountID, acct); err != nil || acct == nil {
l.Warnf("no account found for validated user %s", uid)
return
}
c.Set(oauth.SessionAuthorizedAccount, acct)
l.Tracef("set gin context %s to %+v", oauth.SessionAuthorizedAccount, acct)
}
// check for application token
if cid := ti.GetClientID(); cid != "" {
l.Tracef("authenticated client %s with bearer token, scope is %s", cid, ti.GetScope())
app := &gtsmodel.Application{}
if err := m.db.GetWhere([]db.Where{{Key: "client_id", Value: cid}}, app); err != nil {
l.Tracef("no app found for client %s", cid)
}
c.Set(oauth.SessionAuthorizedApplication, app)
l.Tracef("set gin context %s to %+v", oauth.SessionAuthorizedApplication, app)
}
c.Next()
}