Beispiel #1
0
def home_real(request: HttpRequest) -> HttpResponse:
    # Before we do any real work, check if the app is banned.
    client_user_agent = request.META.get("HTTP_USER_AGENT", "")
    (insecure_desktop_app, banned_desktop_app,
     auto_update_broken) = is_outdated_desktop_app(client_user_agent)
    if banned_desktop_app:
        return render(
            request,
            "zerver/insecure_desktop_app.html",
            context={
                "auto_update_broken": auto_update_broken,
            },
        )
    (unsupported_browser,
     browser_name) = is_unsupported_browser(client_user_agent)
    if unsupported_browser:
        return render(
            request,
            "zerver/unsupported_browser.html",
            context={
                "browser_name": browser_name,
            },
        )

    # We need to modify the session object every two weeks or it will expire.
    # This line makes reloading the page a sufficient action to keep the
    # session alive.
    request.session.modified = True

    if request.user.is_authenticated:
        user_profile = request.user
        realm = user_profile.realm

        # User is logged in and hence no longer `prefers_web_public_view`.
        if "prefers_web_public_view" in request.session.keys():
            del request.session["prefers_web_public_view"]
    else:
        realm = get_valid_realm_from_request(request)

        # TODO: Ideally, we'd open Zulip directly as a spectator if
        # the URL had clicked a link to content on a web-public
        # stream.  We could maybe do this by parsing `next`, but it's
        # not super convenient with Zulip's hash-based URL scheme.

        # The "Access without an account" button on the login page
        # submits a POST to this page with this hidden field set.
        if request.POST.get("prefers_web_public_view") == "true":
            request.session["prefers_web_public_view"] = True
            # We serve a redirect here, rather than serving a page, to
            # avoid browser "Confirm form resubmission" prompts on reload.
            redirect_to = get_safe_redirect_to(request.POST.get("next"),
                                               realm.uri)
            return redirect(redirect_to)

        prefers_web_public_view = request.session.get(
            "prefers_web_public_view")
        if not prefers_web_public_view:
            # For users who haven't opted into the spectator
            # experience, we redirect to the login page.
            return zulip_redirect_to_login(request,
                                           settings.HOME_NOT_LOGGED_IN)

        # For users who have selected public access, we load the
        # spectator experience.  We fall through to the shared code
        # for loading the application, with user_profile=None encoding
        # that we're a spectator, not a logged-in user.
        user_profile = None

    update_last_reminder(user_profile)

    statsd.incr("views.home")

    # If a user hasn't signed the current Terms of Service, send them there
    if need_accept_tos(user_profile):
        return accounts_accept_terms(request)

    narrow, narrow_stream, narrow_topic = detect_narrowed_window(
        request, user_profile)

    if user_profile is not None:
        first_in_realm = realm_user_count(user_profile.realm) == 1
        # If you are the only person in the realm and you didn't invite
        # anyone, we'll continue to encourage you to do so on the frontend.
        prompt_for_invites = (first_in_realm
                              and not PreregistrationUser.objects.filter(
                                  referred_by=user_profile).count())
        needs_tutorial = user_profile.tutorial_status == UserProfile.TUTORIAL_WAITING

    else:
        first_in_realm = False
        prompt_for_invites = False
        # The current tutorial doesn't super make sense for logged-out users.
        needs_tutorial = False

    queue_id, page_params = build_page_params_for_home_page_load(
        request=request,
        user_profile=user_profile,
        realm=realm,
        insecure_desktop_app=insecure_desktop_app,
        narrow=narrow,
        narrow_stream=narrow_stream,
        narrow_topic=narrow_topic,
        first_in_realm=first_in_realm,
        prompt_for_invites=prompt_for_invites,
        needs_tutorial=needs_tutorial,
    )

    log_data = RequestNotes.get_notes(request).log_data
    assert log_data is not None
    log_data["extra"] = f"[{queue_id}]"

    csp_nonce = secrets.token_hex(24)

    user_permission_info = get_user_permission_info(user_profile)

    response = render(
        request,
        "zerver/app/index.html",
        context={
            "user_profile": user_profile,
            "page_params": page_params,
            "csp_nonce": csp_nonce,
            "color_scheme": user_permission_info.color_scheme,
        },
    )
    patch_cache_control(response,
                        no_cache=True,
                        no_store=True,
                        must_revalidate=True)
    return response
Beispiel #2
0
def home_real(request: HttpRequest) -> HttpResponse:
    # Before we do any real work, check if the app is banned.
    client_user_agent = request.META.get("HTTP_USER_AGENT", "")
    (insecure_desktop_app, banned_desktop_app,
     auto_update_broken) = is_outdated_desktop_app(client_user_agent)
    if banned_desktop_app:
        return render(
            request,
            "zerver/insecure_desktop_app.html",
            context={
                "auto_update_broken": auto_update_broken,
            },
        )
    (unsupported_browser,
     browser_name) = is_unsupported_browser(client_user_agent)
    if unsupported_browser:
        return render(
            request,
            "zerver/unsupported_browser.html",
            context={
                "browser_name": browser_name,
            },
        )

    # We need to modify the session object every two weeks or it will expire.
    # This line makes reloading the page a sufficient action to keep the
    # session alive.
    request.session.modified = True

    if request.user.is_authenticated:
        user_profile = request.user
        realm = user_profile.realm
    else:
        # user_profile=None corresponds to the logged-out "web_public" visitor case.
        user_profile = None
        realm = get_valid_realm_from_request(request)

    update_last_reminder(user_profile)

    statsd.incr("views.home")

    # If a user hasn't signed the current Terms of Service, send them there
    if need_accept_tos(user_profile):
        return accounts_accept_terms(request)

    narrow, narrow_stream, narrow_topic = detect_narrowed_window(
        request, user_profile)

    if user_profile is not None:
        first_in_realm = realm_user_count(user_profile.realm) == 1
        # If you are the only person in the realm and you didn't invite
        # anyone, we'll continue to encourage you to do so on the frontend.
        prompt_for_invites = (first_in_realm
                              and not PreregistrationUser.objects.filter(
                                  referred_by=user_profile).count())
        needs_tutorial = user_profile.tutorial_status == UserProfile.TUTORIAL_WAITING

    else:
        first_in_realm = False
        prompt_for_invites = False
        # The current tutorial doesn't super make sense for logged-out users.
        needs_tutorial = False

    queue_id, page_params = build_page_params_for_home_page_load(
        request=request,
        user_profile=user_profile,
        realm=realm,
        insecure_desktop_app=insecure_desktop_app,
        narrow=narrow,
        narrow_stream=narrow_stream,
        narrow_topic=narrow_topic,
        first_in_realm=first_in_realm,
        prompt_for_invites=prompt_for_invites,
        needs_tutorial=needs_tutorial,
    )

    show_invites, show_add_streams = compute_show_invites_and_add_streams(
        user_profile)

    request._log_data["extra"] = "[{}]".format(queue_id)

    csp_nonce = secrets.token_hex(24)

    user_permission_info = get_user_permission_info(user_profile)

    response = render(
        request,
        "zerver/app/index.html",
        context={
            "user_profile": user_profile,
            "page_params": page_params,
            "csp_nonce": csp_nonce,
            "search_pills_enabled": settings.SEARCH_PILLS_ENABLED,
            "show_invites": show_invites,
            "show_add_streams": show_add_streams,
            "is_owner": user_permission_info.is_realm_owner,
            "is_admin": user_permission_info.is_realm_admin,
            "is_guest": user_permission_info.is_guest,
            "color_scheme": user_permission_info.color_scheme,
            "embedded": narrow_stream is not None,
            "max_file_upload_size_mib": settings.MAX_FILE_UPLOAD_SIZE,
        },
    )
    patch_cache_control(response,
                        no_cache=True,
                        no_store=True,
                        must_revalidate=True)
    return response
Beispiel #3
0
def home_real(request: HttpRequest) -> HttpResponse:
    # Before we do any real work, check if the app is banned.
    client_user_agent = request.headers.get("User-Agent", "")
    (insecure_desktop_app, banned_desktop_app,
     auto_update_broken) = is_outdated_desktop_app(client_user_agent)
    if banned_desktop_app:
        return render(
            request,
            "zerver/insecure_desktop_app.html",
            context={
                "auto_update_broken": auto_update_broken,
            },
        )
    (unsupported_browser,
     browser_name) = is_unsupported_browser(client_user_agent)
    if unsupported_browser:
        return render(
            request,
            "zerver/unsupported_browser.html",
            context={
                "browser_name": browser_name,
            },
        )

    # We need to modify the session object every two weeks or it will expire.
    # This line makes reloading the page a sufficient action to keep the
    # session alive.
    request.session.modified = True

    if request.user.is_authenticated:
        user_profile = request.user
        realm = user_profile.realm
    else:
        realm = get_valid_realm_from_request(request)
        # We load the spectator experience.  We fall through to the shared code
        # for loading the application, with user_profile=None encoding
        # that we're a spectator, not a logged-in user.
        user_profile = None

    update_last_reminder(user_profile)

    statsd.incr("views.home")

    # If a user hasn't signed the current Terms of Service, send them there
    if need_accept_tos(user_profile):
        return accounts_accept_terms(request)

    narrow, narrow_stream, narrow_topic = detect_narrowed_window(
        request, user_profile)

    if user_profile is not None:
        first_in_realm = realm_user_count(user_profile.realm) == 1
        # If you are the only person in the realm and you didn't invite
        # anyone, we'll continue to encourage you to do so on the frontend.
        prompt_for_invites = (first_in_realm
                              and not PreregistrationUser.objects.filter(
                                  referred_by=user_profile).count())
        needs_tutorial = user_profile.tutorial_status == UserProfile.TUTORIAL_WAITING

    else:
        first_in_realm = False
        prompt_for_invites = False
        # The current tutorial doesn't super make sense for logged-out users.
        needs_tutorial = False

    queue_id, page_params = build_page_params_for_home_page_load(
        request=request,
        user_profile=user_profile,
        realm=realm,
        insecure_desktop_app=insecure_desktop_app,
        narrow=narrow,
        narrow_stream=narrow_stream,
        narrow_topic=narrow_topic,
        first_in_realm=first_in_realm,
        prompt_for_invites=prompt_for_invites,
        needs_tutorial=needs_tutorial,
    )

    log_data = RequestNotes.get_notes(request).log_data
    assert log_data is not None
    log_data["extra"] = f"[{queue_id}]"

    csp_nonce = secrets.token_hex(24)

    user_permission_info = get_user_permission_info(user_profile)

    response = render(
        request,
        "zerver/app/index.html",
        context={
            "user_profile": user_profile,
            "page_params": page_params,
            "csp_nonce": csp_nonce,
            "color_scheme": user_permission_info.color_scheme,
        },
    )
    patch_cache_control(response,
                        no_cache=True,
                        no_store=True,
                        must_revalidate=True)
    return response