152 lines
3.6 KiB
PHP
152 lines
3.6 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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$session_expire = max(SESSION_COOKIE_LIFETIME, 86400);
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$session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME;
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if (@$_SERVER['HTTPS'] == "on") {
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$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", $session_expire);
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ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME));
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function session_get_schema_version($nocache = false) {
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global $schema_version;
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if (!$schema_version) {
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$result = Db::get()->query("SELECT schema_version FROM ttrss_version");
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$version = Db::get()->fetch_result($result, 0, "schema_version");
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$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 (VERSION != $_SESSION["version"]) return false;
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$check_ip = $_SESSION['ip_address'];
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switch (SESSION_CHECK_ADDRESS) {
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case 0:
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$check_ip = '';
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break;
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case 1:
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$check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
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break;
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case 2:
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$check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
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$check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
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break;
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};
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if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
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$_SESSION["login_error_msg"] =
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__("Session failed to validate (incorrect IP)");
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return false;
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}
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if ($_SESSION["ref_schema_version"] != session_get_schema_version(true))
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return false;
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if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"])
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return false;
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if ($_SESSION["uid"]) {
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$result = Db::get()->query(
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"SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
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// user not found
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if (Db::get()->num_rows($result) == 0) {
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return false;
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} else {
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$pwd_hash = Db::get()->fetch_result($result, 0, "pwd_hash");
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if ($pwd_hash != $_SESSION["pwd_hash"]) {
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return false;
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}
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}
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}
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return true;
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}
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function ttrss_open ($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 $session_expire;
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$res = Db::get()->query("SELECT data FROM ttrss_sessions WHERE id='$id'");
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if (Db::get()->num_rows($res) != 1) {
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$expire = time() + $session_expire;
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Db::get()->query("INSERT INTO ttrss_sessions (id, data, expire)
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VALUES ('$id', '', '$expire')");
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return "";
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} else {
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return base64_decode(Db::get()->fetch_result($res, 0, "data"));
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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() + $session_expire;
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Db::get()->query("UPDATE ttrss_sessions SET data='$data', expire='$expire' WHERE id='$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($id) {
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Db::get()->query("DELETE FROM ttrss_sessions WHERE id = '$id'");
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return true;
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}
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function ttrss_gc ($expire) {
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Db::get()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
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}
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if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) {
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session_set_save_handler("ttrss_open",
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"ttrss_close", "ttrss_read", "ttrss_write",
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"ttrss_destroy", "ttrss_gc");
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register_shutdown_function('session_write_close');
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}
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if (!defined('NO_SESSION_AUTOSTART')) {
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if (isset($_COOKIE[session_name()])) {
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@session_start();
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}
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}
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?>
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