98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package session
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import (
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"net/http"
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"github.com/drone/drone/server/database"
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"github.com/drone/drone/shared/httputil"
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"github.com/drone/drone/shared/model"
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"github.com/gorilla/securecookie"
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"github.com/gorilla/sessions"
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)
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// stores sessions using secure cookies.
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var cookies = sessions.NewCookieStore(
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securecookie.GenerateRandomKey(64))
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// stores sessions using secure cookies.
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var xsrftoken = string(securecookie.GenerateRandomKey(32))
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type Session interface {
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User(r *http.Request) *model.User
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UserToken(r *http.Request) *model.User
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UserCookie(r *http.Request) *model.User
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SetUser(w http.ResponseWriter, r *http.Request, u *model.User)
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Clear(w http.ResponseWriter, r *http.Request)
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}
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type session struct {
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users database.UserManager
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}
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func NewSession(users database.UserManager) Session {
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return &session{
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users: users,
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}
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}
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// User gets the currently authenticated user.
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func (s *session) User(r *http.Request) *model.User {
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switch {
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case r.FormValue("access_token") == "":
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return s.UserCookie(r)
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case r.FormValue("access_token") != "":
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return s.UserToken(r)
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}
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return nil
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}
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// UserXsrf gets the currently authenticated user and
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// validates the xsrf session token, if necessary.
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func (s *session) UserXsrf(r *http.Request) *model.User {
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user := s.User(r)
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if user == nil || r.FormValue("access_token") != "" {
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return user
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}
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if !httputil.CheckXsrf(r, xsrftoken, user.Login) {
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return nil
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}
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return user
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}
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// UserToken gets the currently authenticated user for the given auth token.
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func (s *session) UserToken(r *http.Request) *model.User {
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token := r.FormValue("access_token")
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user, _ := s.users.FindToken(token)
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return user
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}
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// UserCookie gets the currently authenticated user from the secure cookie session.
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func (s *session) UserCookie(r *http.Request) *model.User {
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sess, err := cookies.Get(r, "_sess")
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if err != nil {
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return nil
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}
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// get the uid from the session
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value, ok := sess.Values["uid"]
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if !ok {
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return nil
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}
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// get the user from the database
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user, _ := s.users.Find(value.(int64))
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return user
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}
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// SetUser writes the specified username to the session.
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func (s *session) SetUser(w http.ResponseWriter, r *http.Request, u *model.User) {
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sess, _ := cookies.Get(r, "_sess")
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sess.Values["uid"] = u.ID
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sess.Save(r, w)
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httputil.SetXsrf(w, r, xsrftoken, u.Login)
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}
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// Clear removes the user from the session.
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func (s *session) Clear(w http.ResponseWriter, r *http.Request) {
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sess, _ := cookies.Get(r, "_sess")
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delete(sess.Values, "uid")
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sess.Save(r, w)
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}
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