codysnider / tt-rss

classes/rpc.php

<?php
class RPC extends Handler_Protected {

    public function csrf_ignore($method) {
        $csrf_ignored = array("sanitycheck", "completelabels", "saveprofile");

        return array_search($method, $csrf_ignored) !== false;
    }

    public function setprofile() {
        $_SESSION["profile"] = (int) clean($_REQUEST["id"]);

        // default value
        if (!$_SESSION["profile"]) {
            $_SESSION["profile"] = null;
        }
    }

    public function remprofiles() {
        $ids = explode(",", trim(clean($_REQUEST["ids"])));

        foreach ($ids as $id) {
            if ($_SESSION["profile"] != $id) {
                $sth = $this->pdo->prepare("DELETE FROM ttrss_settings_profiles WHERE id = ? AND
							owner_uid = ?");
                $sth->execute([$id, $_SESSION['uid']]);
            }
        }
    }

    // Silent
    public function addprofile() {
        $title = trim(clean($_REQUEST["title"]));

        if ($title) {
            $this->pdo->beginTransaction();

            $sth = $this->pdo->prepare("SELECT id FROM ttrss_settings_profiles
				WHERE title = ? AND owner_uid = ?");
            $sth->execute([$title, $_SESSION['uid']]);

            if (!$sth->fetch()) {

                $sth = $this->pdo->prepare("INSERT INTO ttrss_settings_profiles (title, owner_uid)
							VALUES (?, ?)");

                $sth->execute([$title, $_SESSION['uid']]);

                $sth = $this->pdo->prepare("SELECT id FROM ttrss_settings_profiles WHERE
					title = ? AND owner_uid = ?");
                $sth->execute([$title, $_SESSION['uid']]);

                if ($row = $sth->fetch()) {
                    $profile_id = $row['id'];

                    if ($profile_id) {
                        initialize_user_prefs($_SESSION["uid"], $profile_id);
                    }
                }
            }

            $this->pdo->commit();
        }
    }

    public function saveprofile() {
        $id = clean($_REQUEST["id"]);
        $title = trim(clean($_REQUEST["value"]));

        if ($id == 0) {
            print __("Default profile");
            return;
        }

        if ($title) {
            $sth = $this->pdo->prepare("UPDATE ttrss_settings_profiles
				SET title = ? WHERE id = ? AND
					owner_uid = ?");

            $sth->execute([$title, $id, $_SESSION['uid']]);
            print $title;
        }
    }

    // Silent
    public function remarchive() {
        $ids = explode(",", clean($_REQUEST["ids"]));

        $sth = $this->pdo->prepare("DELETE FROM ttrss_archived_feeds WHERE
		  		(SELECT COUNT(*) FROM ttrss_user_entries
					WHERE orig_feed_id = :id) = 0 AND
						id = :id AND owner_uid = :uid");

        foreach ($ids as $id) {
            $sth->execute([":id" => $id, ":uid" => $_SESSION['uid']]);
        }
    }

    public function addfeed() {
        $feed = clean($_REQUEST['feed']);
        $cat = clean($_REQUEST['cat']);
        $need_auth = isset($_REQUEST['need_auth']);
        $login = $need_auth ? clean($_REQUEST['login']) : '';
        $pass = $need_auth ? trim(clean($_REQUEST['pass'])) : '';

It seems like clean($_REQUEST['pass']) can also be of type array; however, parameter $str of trim() does only seem to accept string, maybe add an additional type check?

        $rc = Feeds::subscribe_to_feed($feed, $cat, $login, $pass);

        print json_encode(array("result" => $rc));
    }

    public function togglepref() {
        $key = clean($_REQUEST["key"]);
        set_pref($key, !get_pref($key));
        $value = get_pref($key);

        print json_encode(array("param" =>$key, "value" => $value));
    }

    public function setpref() {
        // set_pref escapes input, so no need to double escape it here
        $key = clean($_REQUEST['key']);
        $value = $_REQUEST['value'];

        set_pref($key, $value, false, $key != 'USER_STYLESHEET');

        print json_encode(array("param" =>$key, "value" => $value));
    }

    public function mark() {
        $mark = clean($_REQUEST["mark"]);
        $id = clean($_REQUEST["id"]);

        $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET marked = ?,
					last_marked = NOW()
					WHERE ref_id = ? AND owner_uid = ?");

        $sth->execute([$mark, $id, $_SESSION['uid']]);

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function delete() {
        $ids = explode(",", clean($_REQUEST["ids"]));
        $ids_qmarks = arr_qmarks($ids);

        $sth = $this->pdo->prepare("DELETE FROM ttrss_user_entries
			WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        $sth->execute(array_merge($ids, [$_SESSION['uid']]));

        Article::purge_orphans();

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function unarchive() {
        $ids = explode(",", clean($_REQUEST["ids"]));

        foreach ($ids as $id) {
            $this->pdo->beginTransaction();

            $sth = $this->pdo->prepare("SELECT feed_url,site_url,title FROM ttrss_archived_feeds
				WHERE id = (SELECT orig_feed_id FROM ttrss_user_entries WHERE ref_id = :id
				AND owner_uid = :uid) AND owner_uid = :uid");
            $sth->execute([":uid" => $_SESSION['uid'], ":id" => $id]);

            if ($row = $sth->fetch()) {
                $feed_url = $row['feed_url'];
                $site_url = $row['site_url'];
                $title = $row['title'];

                $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE feed_url = ?
					AND owner_uid = ?");
                $sth->execute([$feed_url, $_SESSION['uid']]);

                if ($row = $sth->fetch()) {
                    $feed_id = $row["id"];
                } else {
                    if (!$title) {
                        $title = '[Unknown]';
                    }

                    $sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
							(owner_uid,feed_url,site_url,title,cat_id,auth_login,auth_pass,update_method)
							VALUES (?, ?, ?, ?, NULL, '', '', 0)");
                    $sth->execute([$_SESSION['uid'], $feed_url, $site_url, $title]);

                    $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE feed_url = ?
						AND owner_uid = ?");
                    $sth->execute([$feed_url, $_SESSION['uid']]);

                    if ($row = $sth->fetch()) {
                        $feed_id = $row['id'];
                    }
                }

                if ($feed_id) {
                    $sth = $this->pdo->prepare("UPDATE ttrss_user_entries
						SET feed_id = ?, orig_feed_id = NULL
						WHERE ref_id = ? AND owner_uid = ?");
                    $sth->execute([$feed_id, $id, $_SESSION['uid']]);
                }
            }

            $this->pdo->commit();
        }

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function archive() {
        $ids = explode(",", clean($_REQUEST["ids"]));

        foreach ($ids as $id) {
            $this->archive_article($id, $_SESSION["uid"]);
        }

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    private function archive_article($id, $owner_uid) {
        $this->pdo->beginTransaction();

        if (!$owner_uid) {
            $owner_uid = $_SESSION['uid'];
        }

        $sth = $this->pdo->prepare("SELECT feed_id FROM ttrss_user_entries
			WHERE ref_id = ? AND owner_uid = ?");
        $sth->execute([$id, $owner_uid]);

        if ($row = $sth->fetch()) {

            /* prepare the archived table */

            $feed_id = (int) $row['feed_id'];

            if ($feed_id) {
                $sth = $this->pdo->prepare("SELECT id FROM ttrss_archived_feeds
					WHERE id = ? AND owner_uid = ?");
                $sth->execute([$feed_id, $owner_uid]);

                if ($row = $sth->fetch()) {
                    $new_feed_id = $row['id'];
                } else {
                    $row = $this->pdo->query("SELECT MAX(id) AS id FROM ttrss_archived_feeds")->fetch();
                    $new_feed_id = (int) $row['id'] + 1;

                    $sth = $this->pdo->prepare("INSERT INTO ttrss_archived_feeds
						(id, owner_uid, title, feed_url, site_url, created)
							SELECT ?, owner_uid, title, feed_url, site_url, NOW() from ttrss_feeds
							  	WHERE id = ?");

                    $sth->execute([$new_feed_id, $feed_id]);
                }

                $sth = $this->pdo->prepare("UPDATE ttrss_user_entries
					SET orig_feed_id = ?, feed_id = NULL
					WHERE ref_id = ? AND owner_uid = ?");
                $sth->execute([$new_feed_id, $id, $owner_uid]);
            }
        }

        $this->pdo->commit();
    }

    public function publ() {
        $pub = clean($_REQUEST["pub"]);
        $id = clean($_REQUEST["id"]);

        $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
			published = ?, last_published = NOW()
			WHERE ref_id = ? AND owner_uid = ?");

        $sth->execute([$pub, $id, $_SESSION['uid']]);

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function getAllCounters() {
        @$seq = (int) $_REQUEST['seq'];

        $reply = [
            'counters' => Counters::getAllCounters(),
            'seq' => $seq
        ];

        if ($seq % 2 == 0) {
                    $reply['runtime-info'] = make_runtime_info();
        }

        print json_encode($reply);
    }

    /* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
    public function catchupSelected() {
        $ids = explode(",", clean($_REQUEST["ids"]));
        $cmode = (int) clean($_REQUEST["cmode"]);

        Article::catchupArticlesById($ids, $cmode);

        print json_encode(array("message" => "UPDATE_COUNTERS", "ids" => $ids));
    }

    public function markSelected() {
        $ids = explode(",", clean($_REQUEST["ids"]));
        $cmode = (int) clean($_REQUEST["cmode"]);

        $this->markArticlesById($ids, $cmode);

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function publishSelected() {
        $ids = explode(",", clean($_REQUEST["ids"]));
        $cmode = (int) clean($_REQUEST["cmode"]);

        $this->publishArticlesById($ids, $cmode);

        print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function sanityCheck() {
        $_SESSION["hasAudio"] = clean($_REQUEST["hasAudio"]) === "true";
        $_SESSION["hasSandbox"] = clean($_REQUEST["hasSandbox"]) === "true";
        $_SESSION["hasMp3"] = clean($_REQUEST["hasMp3"]) === "true";
        $_SESSION["clientTzOffset"] = clean($_REQUEST["clientTzOffset"]);

        $reply = array();

        $reply['error'] = sanity_check();

        if ($reply['error']['code'] == 0) {
            $reply['init-params'] = make_init_params();
            $reply['runtime-info'] = make_runtime_info();
        }

        print json_encode($reply);
    }

    public function completeLabels() {
        $search = clean($_REQUEST["search"]);

        $sth = $this->pdo->prepare("SELECT DISTINCT caption FROM
				ttrss_labels2
				WHERE owner_uid = ? AND
				LOWER(caption) LIKE LOWER(?) ORDER BY caption
				LIMIT 5");
        $sth->execute([$_SESSION['uid'], "%$search%"]);

        print "<ul>";
        while ($line = $sth->fetch()) {
            print "<li>".$line["caption"]."</li>";
        }
        print "</ul>";
    }

    // Silent
    public function massSubscribe() {

        $payload = json_decode(clean($_REQUEST["payload"]), false);
        $mode = clean($_REQUEST["mode"]);

        if (!$payload || !is_array($payload)) {
            return;
        }

        if ($mode == 1) {
            foreach ($payload as $feed) {

                $title = $feed[0];
                $feed_url = $feed[1];

                $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
					feed_url = ? AND owner_uid = ?");
                $sth->execute([$feed_url, $_SESSION['uid']]);

                if (!$sth->fetch()) {
                    $sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
									(owner_uid,feed_url,title,cat_id,site_url)
									VALUES (?, ?, ?, NULL, '')");

                    $sth->execute([$_SESSION['uid'], $feed_url, $title]);
                }
            }
        } else if ($mode == 2) {
            // feed archive
            foreach ($payload as $id) {
                $sth = $this->pdo->prepare("SELECT * FROM ttrss_archived_feeds
					WHERE id = ? AND owner_uid = ?");
                $sth->execute([$id, $_SESSION['uid']]);

                if ($row = $sth->fetch()) {
                    $site_url = $row['site_url'];
                    $feed_url = $row['feed_url'];
                    $title = $row['title'];

                    $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
						feed_url = ? AND owner_uid = ?");
                    $sth->execute([$feed_url, $_SESSION['uid']]);

                    if (!$sth->fetch()) {
                        $sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
								(owner_uid,feed_url,title,cat_id,site_url)
									VALUES (?, ?, ?, NULL, ?)");

                        $sth->execute([$_SESSION['uid'], $feed_url, $title, $site_url]);
                    }
                }
            }
        }
    }

    public function catchupFeed() {
        $feed_id = clean($_REQUEST['feed_id']);
        $is_cat = clean($_REQUEST['is_cat']) == "true";
        $mode = clean($_REQUEST['mode']);
        $search_query = clean($_REQUEST['search_query']);
        $search_lang = clean($_REQUEST['search_lang']);

        Feeds::catchup_feed($feed_id, $is_cat, false, $mode, [$search_query, $search_lang]);

        // return counters here synchronously so that frontend can figure out next unread feed properly
        print json_encode(['counters' => Counters::getAllCounters()]);

        //print json_encode(array("message" => "UPDATE_COUNTERS"));
    }

    public function setpanelmode() {
        $wide = (int) clean($_REQUEST["wide"]);

        setcookie("ttrss_widescreen", $wide,
            time() + COOKIE_LIFETIME_LONG);

        print json_encode(array("wide" => $wide));
    }

    public static function updaterandomfeed_real() {

        // Test if the feed need a update (update interval exceded).
        if (DB_TYPE == "pgsql") {
            $update_limit_qpart = "AND ((
					ttrss_feeds.update_interval = 0
					AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
				) OR (
					ttrss_feeds.update_interval > 0
					AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
				) OR ttrss_feeds.last_updated IS NULL
				OR last_updated = '1970-01-01 00:00:00')";
        } else {
            $update_limit_qpart = "AND ((
					ttrss_feeds.update_interval = 0
					AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
				) OR (
					ttrss_feeds.update_interval > 0
					AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
				) OR ttrss_feeds.last_updated IS NULL
				OR last_updated = '1970-01-01 00:00:00')";
        }

        // Test if feed is currently being updated by another process.
        if (DB_TYPE == "pgsql") {
            $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')";
        } else {
            $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
        }

        $random_qpart = sql_random_function();

        $pdo = Db::pdo();

        // we could be invoked from public.php with no active session
        if ($_SESSION["uid"]) {
            $owner_check_qpart = "AND ttrss_feeds.owner_uid = ".$pdo->quote($_SESSION["uid"]);
        } else {
            $owner_check_qpart = "";
        }

        // We search for feed needing update.
        $res = $pdo->query("SELECT ttrss_feeds.feed_url,ttrss_feeds.id
			FROM
				ttrss_feeds, ttrss_users, ttrss_user_prefs
			WHERE
				ttrss_feeds.owner_uid = ttrss_users.id
				AND ttrss_users.id = ttrss_user_prefs.owner_uid
				AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
				$owner_check_qpart
				$update_limit_qpart
				$updstart_thresh_qpart
			ORDER BY $random_qpart LIMIT 30");

        $num_updated = 0;

        $tstart = time();

        while ($line = $res->fetch()) {
            $feed_id = $line["id"];

            if (time() - $tstart < ini_get("max_execution_time") * 0.7) {
                RSSUtils::update_rss_feed($feed_id, true);
                ++$num_updated;
            } else {
                break;
            }
        }

        // Purge orphans and cleanup tags
        Article::purge_orphans();
        //cleanup_tags(14, 50000);

        if ($num_updated > 0) {
            print json_encode(array("message" => "UPDATE_COUNTERS",
                "num_updated" => $num_updated));
        } else {
            print json_encode(array("message" => "NOTHING_TO_UPDATE"));
        }

    }

    public function updaterandomfeed() {
        RPC::updaterandomfeed_real();
    }

    private function markArticlesById($ids, $cmode) {

        $ids_qmarks = arr_qmarks($ids);

        if ($cmode == 0) {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				marked = false, last_marked = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        } else if ($cmode == 1) {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				marked = true, last_marked = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        } else {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				marked = NOT marked,last_marked = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        }

        $sth->execute(array_merge($ids, [$_SESSION['uid']]));
    }

    private function publishArticlesById($ids, $cmode) {

        $ids_qmarks = arr_qmarks($ids);

        if ($cmode == 0) {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				published = false, last_published = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        } else if ($cmode == 1) {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				published = true, last_published = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        } else {
            $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
				published = NOT published,last_published = NOW()
					WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
        }

        $sth->execute(array_merge($ids, [$_SESSION['uid']]));
    }

    public function getlinktitlebyid() {
        $id = clean($_REQUEST['id']);

        $sth = $this->pdo->prepare("SELECT link, title FROM ttrss_entries, ttrss_user_entries
			WHERE ref_id = ? AND ref_id = id AND owner_uid = ?");
        $sth->execute([$id, $_SESSION['uid']]);

        if ($row = $sth->fetch()) {
            $link = $row['link'];
            $title = $row['title'];

            echo json_encode(array("link" => $link, "title" => $title));
        } else {
            echo json_encode(array("error" => "ARTICLE_NOT_FOUND"));
        }
    }

    public function log() {
        $msg = clean($_REQUEST['msg']);
        $file = clean_filename($_REQUEST['file']);
        $line = (int) clean($_REQUEST['line']);
        $context = clean($_REQUEST['context']);

        if ($msg) {
            Logger::get()->log_error(E_USER_WARNING,
                $msg, 'client-js:'.$file, $line, $context);

            echo json_encode(array("message" => "HOST_ERROR_LOGGED"));
        } else {
            echo json_encode(array("error" => "MESSAGE_NOT_FOUND"));
        }

    }

    public function checkforupdates() {
        $rv = [];

        $git_timestamp = false;
        $git_commit = false;

        get_version($git_commit, $git_timestamp);

        if (CHECK_FOR_UPDATES && $_SESSION["access_level"] >= 10 && $git_timestamp) {
            $content = @fetch_file_contents(["url" => "https://srv.tt-rss.org/version.json"]);

            if ($content) {
                $content = json_decode($content, true);

                if ($content && isset($content["changeset"])) {
                    if ($git_timestamp < (int) $content["changeset"]["timestamp"] &&
                        $git_commit != $content["changeset"]["id"]) {

                        $rv = $content["changeset"];
                    }
                }
            }
        }

        print json_encode($rv);
    }

}