151 lines
3.7 KiB
PHP
151 lines
3.7 KiB
PHP
<?php
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// Original from http://www.daniweb.com/code/snippet43.html
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require_once "config.php";
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require_once "classes/db.php";
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require_once "autoload.php";
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require_once "errorhandler.php";
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require_once "lib/accept-to-gettext.php";
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require_once "lib/gettext/gettext.inc";
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require_once "version.php";
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$session_expire = min(2147483647 - time() - 1, max(SESSION_COOKIE_LIFETIME, 86400));
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$session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME;
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if (is_server_https()) {
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$session_name .= "_ssl";
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ini_set("session.cookie_secure", true);
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}
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ini_set("session.gc_probability", 75);
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ini_set("session.name", $session_name);
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ini_set("session.use_only_cookies", true);
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ini_set("session.gc_maxlifetime", $session_expire);
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ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME));
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function session_get_schema_version() {
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global $schema_version;
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if (!$schema_version) {
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$row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch();
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$version = $row["schema_version"];
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$schema_version = $version;
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return $version;
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} else {
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return $schema_version;
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}
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}
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function validate_session() {
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if (SINGLE_USER_MODE) return true;
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if (isset($_SESSION["ref_schema_version"]) && $_SESSION["ref_schema_version"] != session_get_schema_version()) {
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$_SESSION["login_error_msg"] =
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__("Session failed to validate (schema version changed)");
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return false;
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}
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$pdo = Db::pdo();
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if ($_SESSION["uid"]) {
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$sth = $pdo->prepare("SELECT pwd_hash FROM ttrss_users WHERE id = ?");
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$sth->execute([$_SESSION['uid']]);
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// user not found
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if ($row = $sth->fetch()) {
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$pwd_hash = $row["pwd_hash"];
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if ($pwd_hash != $_SESSION["pwd_hash"]) {
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$_SESSION["login_error_msg"] =
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__("Session failed to validate (password changed)");
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return false;
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}
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} else {
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$_SESSION["login_error_msg"] =
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__("Session failed to validate (user not found)");
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return false;
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}
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}
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return true;
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}
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/**
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* @SuppressWarnings(PHPMD.UnusedFormalParameter)
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*/
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function ttrss_open ($s, $n) {
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return true;
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}
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function ttrss_read ($id){
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global $session_expire;
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$sth = Db::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?");
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$sth->execute([$id]);
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if ($row = $sth->fetch()) {
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return base64_decode($row["data"]);
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} else {
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$expire = time() + $session_expire;
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$sth = Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire)
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VALUES (?, '', ?)");
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$sth->execute([$id, $expire]);
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return "";
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}
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}
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function ttrss_write ($id, $data) {
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global $session_expire;
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$data = base64_encode($data);
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$expire = time() + $session_expire;
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$sth = Db::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?");
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$sth->execute([$data, $expire, $id]);
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return true;
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}
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function ttrss_close () {
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return true;
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}
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function ttrss_destroy($id) {
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$sth = Db::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?");
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$sth->execute([$id]);
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return true;
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}
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/**
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* @SuppressWarnings(PHPMD.UnusedFormalParameter)
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*/
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function ttrss_gc ($expire) {
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Db::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
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return true;
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}
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if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) {
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session_set_save_handler("ttrss_open",
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"ttrss_close", "ttrss_read", "ttrss_write",
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"ttrss_destroy", "ttrss_gc");
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register_shutdown_function('session_write_close');
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}
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if (!defined('NO_SESSION_AUTOSTART')) {
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if (isset($_COOKIE[session_name()])) {
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@session_start();
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}
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}
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