126 lines
3.3 KiB
Go
126 lines
3.3 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package ui // import "miniflux.app/ui"
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import (
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"net/http"
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"miniflux.app/http/cookie"
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"miniflux.app/http/request"
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"miniflux.app/http/response/html"
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"miniflux.app/http/route"
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"miniflux.app/locale"
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"miniflux.app/logger"
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"miniflux.app/model"
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"miniflux.app/ui/session"
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)
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// OAuth2Callback receives the authorization code and create a new session.
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func (c *Controller) OAuth2Callback(w http.ResponseWriter, r *http.Request) {
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printer := locale.NewPrinter(request.UserLanguage(r))
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sess := session.New(c.store, request.SessionID(r))
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provider := request.RouteStringParam(r, "provider")
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if provider == "" {
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logger.Error("[OAuth2] Invalid or missing provider")
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html.Redirect(w, r, route.Path(c.router, "login"))
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return
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}
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code := request.QueryStringParam(r, "code", "")
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if code == "" {
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logger.Error("[OAuth2] No code received on callback")
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html.Redirect(w, r, route.Path(c.router, "login"))
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return
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}
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state := request.QueryStringParam(r, "state", "")
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if state == "" || state != request.OAuth2State(r) {
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logger.Error(`[OAuth2] Invalid state value: got "%s" instead of "%s"`, state, request.OAuth2State(r))
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html.Redirect(w, r, route.Path(c.router, "login"))
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return
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}
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authProvider, err := getOAuth2Manager(c.cfg).Provider(provider)
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if err != nil {
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logger.Error("[OAuth2] %v", err)
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html.Redirect(w, r, route.Path(c.router, "login"))
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return
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}
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profile, err := authProvider.GetProfile(code)
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if err != nil {
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logger.Error("[OAuth2] %v", err)
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html.Redirect(w, r, route.Path(c.router, "login"))
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return
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}
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if request.IsAuthenticated(r) {
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user, err := c.store.UserByExtraField(profile.Key, profile.ID)
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if err != nil {
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html.ServerError(w, r, err)
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return
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}
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if user != nil {
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logger.Error("[OAuth2] User #%d cannot be associated because %s is already associated", request.UserID(r), user.Username)
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sess.NewFlashErrorMessage(printer.Printf("error.duplicate_linked_account"))
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html.Redirect(w, r, route.Path(c.router, "settings"))
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return
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}
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if err := c.store.UpdateExtraField(request.UserID(r), profile.Key, profile.ID); err != nil {
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html.ServerError(w, r, err)
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return
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}
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sess.NewFlashMessage(printer.Printf("alert.account_linked"))
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html.Redirect(w, r, route.Path(c.router, "settings"))
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return
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}
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user, err := c.store.UserByExtraField(profile.Key, profile.ID)
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if err != nil {
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html.ServerError(w, r, err)
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return
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}
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if user == nil {
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if !c.cfg.IsOAuth2UserCreationAllowed() {
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html.Forbidden(w, r)
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return
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}
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user = model.NewUser()
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user.Username = profile.Username
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user.IsAdmin = false
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user.Extra[profile.Key] = profile.ID
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if err := c.store.CreateUser(user); err != nil {
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html.ServerError(w, r, err)
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return
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}
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}
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sessionToken, _, err := c.store.CreateUserSession(user.Username, r.UserAgent(), request.ClientIP(r))
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if err != nil {
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html.ServerError(w, r, err)
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return
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}
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logger.Info("[Controller:OAuth2Callback] username=%s just logged in", user.Username)
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c.store.SetLastLogin(user.ID)
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sess.SetLanguage(user.Language)
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sess.SetTheme(user.Theme)
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http.SetCookie(w, cookie.New(
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cookie.CookieUserSessionID,
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sessionToken,
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c.cfg.IsHTTPS,
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c.cfg.BasePath(),
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))
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html.Redirect(w, r, route.Path(c.router, "unread"))
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}
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