miniflux/server/ui/controller/oauth2.go
2017-11-22 22:22:33 -08:00

123 lines
3 KiB
Go

// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package controller
import (
"log"
"net/http"
"github.com/miniflux/miniflux2/config"
"github.com/miniflux/miniflux2/model"
"github.com/miniflux/miniflux2/server/core"
"github.com/miniflux/miniflux2/server/oauth2"
"github.com/tomasen/realip"
)
// OAuth2Redirect redirects the user to the consent page to ask for permission.
func (c *Controller) OAuth2Redirect(ctx *core.Context, request *core.Request, response *core.Response) {
provider := request.StringParam("provider", "")
if provider == "" {
log.Println("[OAuth2] Invalid or missing provider")
response.Redirect(ctx.Route("login"))
return
}
authProvider, err := getOAuth2Manager(c.cfg).Provider(provider)
if err != nil {
log.Println("[OAuth2]", err)
response.Redirect(ctx.Route("login"))
return
}
response.Redirect(authProvider.GetRedirectURL(ctx.CsrfToken()))
}
// OAuth2Callback receives the authorization code and create a new session.
func (c *Controller) OAuth2Callback(ctx *core.Context, request *core.Request, response *core.Response) {
provider := request.StringParam("provider", "")
if provider == "" {
log.Println("[OAuth2] Invalid or missing provider")
response.Redirect(ctx.Route("login"))
return
}
code := request.QueryStringParam("code", "")
if code == "" {
log.Println("[OAuth2] No code received on callback")
response.Redirect(ctx.Route("login"))
return
}
state := request.QueryStringParam("state", "")
if state != ctx.CsrfToken() {
log.Println("[OAuth2] Invalid state value")
response.Redirect(ctx.Route("login"))
return
}
authProvider, err := getOAuth2Manager(c.cfg).Provider(provider)
if err != nil {
log.Println("[OAuth2]", err)
response.Redirect(ctx.Route("login"))
return
}
profile, err := authProvider.GetProfile(code)
if err != nil {
log.Println("[OAuth2]", err)
response.Redirect(ctx.Route("login"))
return
}
user, err := c.store.GetUserByExtraField(profile.Key, profile.ID)
if err != nil {
response.HTML().ServerError(err)
return
}
if user == nil {
user = model.NewUser()
user.Username = profile.Username
user.IsAdmin = false
user.Extra[profile.Key] = profile.ID
if err := c.store.CreateUser(user); err != nil {
response.HTML().ServerError(err)
return
}
}
sessionToken, err := c.store.CreateSession(
user.Username,
request.Request().UserAgent(),
realip.RealIP(request.Request()),
)
if err != nil {
response.HTML().ServerError(err)
return
}
log.Printf("[UI:OAuth2Callback] username=%s just logged in\n", user.Username)
cookie := &http.Cookie{
Name: "sessionID",
Value: sessionToken,
Path: "/",
Secure: request.IsHTTPS(),
HttpOnly: true,
}
response.SetCookie(cookie)
response.Redirect(ctx.Route("unread"))
}
func getOAuth2Manager(cfg *config.Config) *oauth2.Manager {
return oauth2.NewManager(
cfg.Get("OAUTH2_CLIENT_ID", ""),
cfg.Get("OAUTH2_CLIENT_SECRET", ""),
cfg.Get("OAUTH2_REDIRECT_URL", ""),
)
}