woodpecker/server/login.go
2019-08-27 13:07:19 +02:00

203 lines
5.5 KiB
Go

// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"encoding/base32"
"net/http"
"time"
"github.com/gorilla/securecookie"
"github.com/laszlocph/woodpecker/model"
"github.com/laszlocph/woodpecker/remote"
"github.com/laszlocph/woodpecker/shared/httputil"
"github.com/laszlocph/woodpecker/shared/token"
"github.com/laszlocph/woodpecker/store"
"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 {
intendedURL := r.URL.Query()["url"]
if len(intendedURL) > 0 {
http.Redirect(w, r, "/authorize?url="+intendedURL[0], 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),
),
}
// 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)
intendedURL := c.Request.URL.Query()["url"]
if len(intendedURL) > 0 {
c.Redirect(303, intendedURL[0])
} else {
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)
}