privfeed.php

<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

/**
* News feed script.
*
* @author Alex Killing <alex.killing@gmx.de>
* @version $Id$
*/

include_once "Services/Context/classes/class.ilContext.php";
ilContext::init(ilContext::CONTEXT_RSS_AUTH);

require_once("Services/Init/classes/class.ilInitialisation.php");
ilInitialisation::initILIAS();

global $lng, $ilSetting;

$feed_set = new ilSetting("news");


if (!isset($_SERVER['PHP_AUTH_PW']) || !isset($_SERVER['PHP_AUTH_USER'])) {
    Header("WWW-Authenticate: Basic realm=\"ILIAS Newsfeed\"");
    Header("HTTP/1.0 401 Unauthorized");

    exit;
} else {
    if ($_GET["user_id"] != "" && ilObjUser::_getFeedPass($_GET["user_id"]) != "" &&
       (md5($_SERVER['PHP_AUTH_PW']) == ilObjUser::_getFeedPass($_GET["user_id"]) &&
        $_SERVER['PHP_AUTH_USER'] == ilObjUser::_lookupLogin($_GET["user_id"]))
        && $feed_set->get("enable_private_feed")) {
        include_once("./Services/Feeds/classes/class.ilUserFeedWriter.php");
        // Third parameter is true for private feed
        $writer = new ilUserFeedWriter($_GET["user_id"], $_GET["hash"], true);
        $writer->showFeed();
    } elseif ($_GET["ref_id"] != "" && md5($_SERVER['PHP_AUTH_PW']) == ilObjUser::_getFeedPass(ilObjUser::_lookupId($_SERVER['PHP_AUTH_USER']))) {
        include_once("./Services/Feeds/classes/class.ilObjectFeedWriter.php");
        // Second parameter is optional to pass on to database-level to get news for logged-in users
        $writer = new ilObjectFeedWriter($_GET["ref_id"], ilObjUser::_lookupId($_SERVER['PHP_AUTH_USER']));
        $writer->showFeed();
    } else {
        // send appropriate header, if password is wrong, otherwise
        // there is no chance to re-enter it (unless, e.g. the browser is closed)
        if (md5($_SERVER['PHP_AUTH_PW']) != ilObjUser::_getFeedPass(ilObjUser::_lookupId($_SERVER['PHP_AUTH_USER']))) {
            Header("WWW-Authenticate: Basic realm=\"ILIAS Newsfeed\"");
            Header("HTTP/1.0 401 Unauthorized");
            exit;
        }

        include_once("./Services/Feeds/classes/class.ilFeedItem.php");
        include_once("./Services/Feeds/classes/class.ilFeedWriter.php");

        $blankFeedWriter = new ilFeedWriter();
        $feed_item = new ilFeedItem();
        $lng->loadLanguageModule("news");

        if ($ilSetting->get('short_inst_name') != "") {
            $blankFeedWriter->setChannelTitle($ilSetting->get('short_inst_name'));
        } else {
            $blankFeedWriter->setChannelTitle("ILIAS");
        }




        if (!$feed_set->get("enable_private_feed")) {
            $blankFeedWriter->setChannelAbout(ILIAS_HTTP_PATH);
            $blankFeedWriter->setChannelLink(ILIAS_HTTP_PATH);
            // title
            $feed_item->setTitle($lng->txt("priv_feed_no_access_title"));

            // description
            $feed_item->setDescription($lng->txt("priv_feed_no_access_body"));
            $feed_item->setLink(ILIAS_HTTP_PATH);
        } else {
            $blankFeedWriter->setChannelAbout(ILIAS_HTTP_PATH);
            $blankFeedWriter->setChannelLink(ILIAS_HTTP_PATH);
            // title
            $feed_item->setTitle($lng->txt("priv_feed_no_auth_title"));

            // description
            $feed_item->setDescription($lng->txt("priv_feed_no_auth_body"));
            $feed_item->setLink(ILIAS_HTTP_PATH);
        }
        $blankFeedWriter->addItem($feed_item);
        $blankFeedWriter->showFeed();
    }
}