135 lines
3.8 KiB
Go
135 lines
3.8 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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package ui // import "miniflux.app/v2/internal/ui"
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import (
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"errors"
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"net/http"
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"miniflux.app/v2/internal/config"
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"miniflux.app/v2/internal/http/cookie"
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"miniflux.app/v2/internal/http/request"
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"miniflux.app/v2/internal/http/response/html"
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"miniflux.app/v2/internal/http/route"
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"miniflux.app/v2/internal/locale"
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"miniflux.app/v2/internal/logger"
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"miniflux.app/v2/internal/model"
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"miniflux.app/v2/internal/ui/session"
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)
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func (h *handler) oauth2Callback(w http.ResponseWriter, r *http.Request) {
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clientIP := request.ClientIP(r)
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printer := locale.NewPrinter(request.UserLanguage(r))
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sess := session.New(h.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(h.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(h.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(h.router, "login"))
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return
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}
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authProvider, err := getOAuth2Manager(r.Context()).FindProvider(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(h.router, "login"))
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return
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}
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profile, err := authProvider.GetProfile(r.Context(), 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(h.router, "login"))
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return
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}
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logger.Info("[OAuth2] [ClientIP=%s] Successful auth for %s", clientIP, profile)
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if request.IsAuthenticated(r) {
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loggedUser, err := h.store.UserByID(request.UserID(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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if h.store.AnotherUserWithFieldExists(loggedUser.ID, profile.Key, profile.ID) {
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logger.Error("[OAuth2] User #%d cannot be associated because it is already associated with another user", loggedUser.ID)
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sess.NewFlashErrorMessage(printer.Printf("error.duplicate_linked_account"))
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html.Redirect(w, r, route.Path(h.router, "settings"))
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return
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}
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authProvider.PopulateUserWithProfileID(loggedUser, profile)
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if err := h.store.UpdateUser(loggedUser); 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(h.router, "settings"))
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return
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}
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user, err := h.store.UserByField(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 !config.Opts.IsOAuth2UserCreationAllowed() {
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html.Forbidden(w, r)
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return
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}
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if h.store.UserExists(profile.Username) {
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html.BadRequest(w, r, errors.New(printer.Printf("error.user_already_exists")))
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return
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}
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userCreationRequest := &model.UserCreationRequest{Username: profile.Username}
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authProvider.PopulateUserCreationWithProfileID(userCreationRequest, profile)
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user, err = h.store.CreateUser(userCreationRequest)
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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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}
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sessionToken, _, err := h.store.CreateUserSessionFromUsername(user.Username, r.UserAgent(), clientIP)
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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("[OAuth2] [ClientIP=%s] username=%s (%s) just logged in", clientIP, user.Username, profile)
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h.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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config.Opts.HTTPS,
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config.Opts.BasePath(),
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))
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html.Redirect(w, r, route.Path(h.router, "unread"))
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}
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