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@ -17,6 +17,75 @@
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ini_set("session.use_only_cookies", true);
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ini_set("session.gc_maxlifetime", $session_expire);
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function session_get_schema_version($link, $nocache = false) {
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global $schema_version;
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if (!$schema_version) {
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$result = db_query($link, "SELECT schema_version FROM ttrss_version");
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$version = db_fetch_result($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 $schema_version;
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}
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}
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function validate_session($link) {
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if (SINGLE_USER_MODE) return true;
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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 ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true))
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return false;
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if ($_SESSION["uid"]) {
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$result = db_query($link,
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"SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
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// user not found
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if (db_num_rows($result) == 0) {
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return false;
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} else {
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$pwd_hash = db_fetch_result($result, 0, "pwd_hash");
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if ($pwd_hash != $_SESSION["pwd_hash"]) {
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return false;
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}
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}
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}
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/* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
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//print_r($_SESSION);
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if (time() > $_SESSION["cookie_lifetime"]) {
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return false;
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}
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} */
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return true;
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}
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function ttrss_open ($s, $n) {
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global $session_connection;
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@ -106,7 +175,7 @@
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if (isset($_COOKIE[$session_name])) {
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@session_start();
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if (!isset($_SESSION["uid"]) || !$_SESSION["uid"]) {
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if (!isset($_SESSION["uid"]) || !$_SESSION["uid"] || !validate_session($session_connection)) {
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session_destroy();
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setcookie(session_name(), '', time()-42000, '/');
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}
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