package server import ( "encoding/base32" "net/http" "time" "github.com/drone/drone/model" "github.com/drone/drone/remote" "github.com/drone/drone/shared/httputil" "github.com/drone/drone/shared/token" "github.com/drone/drone/store" "github.com/gorilla/securecookie" "github.com/Sirupsen/logrus" "github.com/gin-gonic/gin" ) func HandleLogin(c *gin.Context) { var ( w = c.Writer r = c.Request ) if err := r.FormValue("error"); err != "" { http.Redirect(w, r, "/login/error?code="+err, 303) } else { http.Redirect(w, r, "/authorize", 303) } } func HandleAuth(c *gin.Context) { // when dealing with redirects we may need to adjust the content type. I // cannot, however, remember why, so need to revisit this line. c.Writer.Header().Del("Content-Type") tmpuser, err := remote.Login(c, c.Writer, c.Request) if err != nil { logrus.Errorf("cannot authenticate user. %s", err) c.Redirect(303, "/login?error=oauth_error") return } // this will happen when the user is redirected by the remote provider as // part of the authorization workflow. if tmpuser == nil { return } config := ToConfig(c) // get the user from the database u, err := store.GetUserLogin(c, tmpuser.Login) if err != nil { // if self-registration is disabled we should return a not authorized error if !config.Open && !config.IsAdmin(tmpuser) { logrus.Errorf("cannot register %s. registration closed", tmpuser.Login) c.Redirect(303, "/login?error=access_denied") return } // if self-registration is enabled for whitelisted organizations we need to // check the user's organization membership. if len(config.Orgs) != 0 { teams, terr := remote.Teams(c, tmpuser) if terr != nil || config.IsMember(teams) == false { logrus.Errorf("cannot verify team membership for %s.", u.Login) c.Redirect(303, "/login?error=access_denied") return } } // create the user account u = &model.User{ Login: tmpuser.Login, Token: tmpuser.Token, Secret: tmpuser.Secret, Email: tmpuser.Email, Avatar: tmpuser.Avatar, Hash: base32.StdEncoding.EncodeToString( securecookie.GenerateRandomKey(32), ), } if err = Config.Services.Limiter.LimitUser(u); err != nil { c.String(403, "User activation blocked by limiter") return } // insert the user into the database if err := store.CreateUser(c, u); err != nil { logrus.Errorf("cannot insert %s. %s", u.Login, err) c.Redirect(303, "/login?error=internal_error") return } } // update the user meta data and authorization data. u.Token = tmpuser.Token u.Secret = tmpuser.Secret u.Email = tmpuser.Email u.Avatar = tmpuser.Avatar // if self-registration is enabled for whitelisted organizations we need to // check the user's organization membership. if len(config.Orgs) != 0 { teams, terr := remote.Teams(c, u) if terr != nil || config.IsMember(teams) == false { logrus.Errorf("cannot verify team membership for %s.", u.Login) c.Redirect(303, "/login?error=access_denied") return } } if err := store.UpdateUser(c, u); err != nil { logrus.Errorf("cannot update %s. %s", u.Login, err) c.Redirect(303, "/login?error=internal_error") return } exp := time.Now().Add(Config.Server.SessionExpires).Unix() token := token.New(token.SessToken, u.Login) tokenstr, err := token.SignExpires(u.Hash, exp) if err != nil { logrus.Errorf("cannot create token for %s. %s", u.Login, err) c.Redirect(303, "/login?error=internal_error") return } httputil.SetCookie(c.Writer, c.Request, "user_sess", tokenstr) c.Redirect(303, "/") } func GetLogout(c *gin.Context) { httputil.DelCookie(c.Writer, c.Request, "user_sess") httputil.DelCookie(c.Writer, c.Request, "user_last") c.Redirect(303, "/") } func GetLoginToken(c *gin.Context) { in := &tokenPayload{} err := c.Bind(in) if err != nil { c.AbortWithError(http.StatusBadRequest, err) return } login, err := remote.Auth(c, in.Access, in.Refresh) if err != nil { c.AbortWithError(http.StatusUnauthorized, err) return } user, err := store.GetUserLogin(c, login) if err != nil { c.AbortWithError(http.StatusNotFound, err) return } exp := time.Now().Add(Config.Server.SessionExpires).Unix() token := token.New(token.SessToken, user.Login) tokenstr, err := token.SignExpires(user.Hash, exp) if err != nil { c.AbortWithError(http.StatusInternalServerError, err) return } c.JSON(http.StatusOK, &tokenPayload{ Access: tokenstr, Expires: exp - time.Now().Unix(), }) } type tokenPayload struct { Access string `json:"access_token,omitempty"` Refresh string `json:"refresh_token,omitempty"` Expires int64 `json:"expires_in,omitempty"` } // ToConfig returns the config from the Context func ToConfig(c *gin.Context) *model.Settings { v := c.MustGet("config") return v.(*model.Settings) }