mirror of
https://github.com/miniflux/v2.git
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172 lines
4.7 KiB
Go
172 lines
4.7 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
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import (
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"github.com/miniflux/miniflux/config"
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"github.com/miniflux/miniflux/http/cookie"
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"github.com/miniflux/miniflux/http/handler"
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"github.com/miniflux/miniflux/logger"
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"github.com/miniflux/miniflux/model"
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"github.com/miniflux/miniflux/oauth2"
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"github.com/tomasen/realip"
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)
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// OAuth2Redirect redirects the user to the consent page to ask for permission.
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func (c *Controller) OAuth2Redirect(ctx *handler.Context, request *handler.Request, response *handler.Response) {
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provider := request.StringParam("provider", "")
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if provider == "" {
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logger.Error("[OAuth2] Invalid or missing provider: %s", provider)
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response.Redirect(ctx.Route("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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response.Redirect(ctx.Route("login"))
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return
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}
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response.Redirect(authProvider.GetRedirectURL(ctx.GenerateOAuth2State()))
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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(ctx *handler.Context, request *handler.Request, response *handler.Response) {
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provider := request.StringParam("provider", "")
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if provider == "" {
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logger.Error("[OAuth2] Invalid or missing provider")
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response.Redirect(ctx.Route("login"))
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return
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}
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code := request.QueryStringParam("code", "")
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if code == "" {
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logger.Error("[OAuth2] No code received on callback")
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response.Redirect(ctx.Route("login"))
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return
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}
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state := request.QueryStringParam("state", "")
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if state == "" || state != ctx.OAuth2State() {
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logger.Error(`[OAuth2] Invalid state value: got "%s" instead of "%s"`, state, ctx.OAuth2State())
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response.Redirect(ctx.Route("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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response.Redirect(ctx.Route("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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response.Redirect(ctx.Route("login"))
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return
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}
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if ctx.IsAuthenticated() {
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user, err := c.store.UserByExtraField(profile.Key, profile.ID)
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if err != nil {
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response.HTML().ServerError(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", ctx.UserID(), user.Username)
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ctx.SetFlashErrorMessage(ctx.Translate("There is already someone associated with this provider!"))
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response.Redirect(ctx.Route("settings"))
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return
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}
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user = ctx.LoggedUser()
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if err := c.store.UpdateExtraField(user.ID, profile.Key, profile.ID); err != nil {
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response.HTML().ServerError(err)
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return
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}
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ctx.SetFlashMessage(ctx.Translate("Your external account is now linked !"))
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response.Redirect(ctx.Route("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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response.HTML().ServerError(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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response.HTML().Forbidden()
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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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response.HTML().ServerError(err)
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return
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}
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}
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sessionToken, err := c.store.CreateUserSession(
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user.Username,
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request.Request().UserAgent(),
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realip.RealIP(request.Request()),
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)
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if err != nil {
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response.HTML().ServerError(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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response.SetCookie(cookie.New(cookie.CookieUserSessionID, sessionToken, c.cfg.IsHTTPS))
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response.Redirect(ctx.Route("unread"))
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}
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// OAuth2Unlink unlink an account from the external provider.
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func (c *Controller) OAuth2Unlink(ctx *handler.Context, request *handler.Request, response *handler.Response) {
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provider := request.StringParam("provider", "")
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if provider == "" {
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logger.Info("[OAuth2] Invalid or missing provider")
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response.Redirect(ctx.Route("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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response.Redirect(ctx.Route("settings"))
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return
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}
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user := ctx.LoggedUser()
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if err := c.store.RemoveExtraField(user.ID, authProvider.GetUserExtraKey()); err != nil {
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response.HTML().ServerError(err)
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return
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}
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response.Redirect(ctx.Route("settings"))
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return
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}
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func getOAuth2Manager(cfg *config.Config) *oauth2.Manager {
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return oauth2.NewManager(
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cfg.OAuth2ClientID(),
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cfg.OAuth2ClientSecret(),
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cfg.OAuth2RedirectURL(),
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)
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}
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