function net2ftp_shutdown()
{
// --------------
// This function is registered through register_shutdown_function, so that it would be
// executed when the script reaches the maximum execution time.
//
// The function displays a warning message, and deletes temporary files.
// --------------
// -------------------------------------------------------------------------
// Global variables and settings
// -------------------------------------------------------------------------
global $net2ftp_globals, $net2ftp_settings, $net2ftp_result;
// -------------------------------------------------------------------------
// Delete the temporary files which were not deleted automatically
// -------------------------------------------------------------------------
if (isset($net2ftp_globals["tempfiles"]) == true) {
for ($i = 0; $i < sizeof($net2ftp_globals["tempfiles"]); $i++) {
delete_dirorfile($net2ftp_globals["tempfiles"][$i]);
}
}
// end if
// -------------------------------------------------------------------------
// Store the consumption counter values in the database
// -------------------------------------------------------------------------
putConsumption();
// -------------------------------------------------------------------------
// Print a message to tell the user that the script was halted
// -------------------------------------------------------------------------
$time_taken = timer();
$max_execution_time = @ini_get("max_execution_time");
// - Check if the $max_execution_time is > 0, because on some PHP configs it is -1 (more
// specifically: when PHP is run as CGI module).
// - Check the time taken versus the maximum execution time, because on Windows + Apache
// servers, the shutdown function is always called, even if the maximum execution time
// was not reached.
if ($max_execution_time > 0 && $time_taken > $max_execution_time - 1) {
if (isStatusbarActive() == true && function_exists("setStatus") == true) {
setStatus(10, 10, __("Script halted"));
}
$text = "";
$text .= "<b>" . __("Your task was stopped") . "</b><br /><br />\n";
$text .= __("The task you wanted to perform with net2ftp took more time than the allowed %1\$s seconds, and therefor that task was stopped.", $max_execution_time) . "<br />\n";
$text .= __("This time limit guarantees the fair use of the web server for everyone.") . "<br /><br />\n";
$text .= __("Try to split your task in smaller tasks: restrict your selection of files, and omit the biggest files.") . "<br /><br />\n";
if ($net2ftp_settings["net2ftpdotcom"] == "yes") {
$text .= __("If you really need net2ftp to be able to handle big tasks which take a long time, consider installing net2ftp on your own server.");
}
if ($net2ftp_globals["state"] == "jupload") {
echo $text;
} else {
echo "<div class=\"warning-box\"><div class=\"warning-text\">{$text}</div></div>\n\n";
}
}
}
function net2ftp($action)
{
// --------------
// This function is the main net2ftp function; it is the interface between 3rd party
// scripts (CMS, control panels, etc), and the internal net2ftp modules and plugins.
//
// This function is called 5 times per pageload: to send the HTTP headers, to print
// the javascript code, to print the CSS code, to print the body onload actions and
// finally to print the body content.
// --------------
// -------------------------------------------------------------------------
// Check that "sendHttpHeaders" action is only executed once
// Check that no other actions can be executed if "sendHttpHeaders" has not yet been executed
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
if (defined("NET2FTP_SENDHTTPHEADERS") == true) {
echo "Error: please call the net2ftp(\$action) function only once with \$action = \"sendHttpHeaders\"!";
return false;
} else {
define("NET2FTP_SENDHTTPHEADERS", 1);
}
} else {
if (defined("NET2FTP_SENDHTTPHEADERS") == false) {
echo "Error: please call the net2ftp(\$action) function first with \$action = \"sendHttpHeaders\"!";
return false;
}
}
// -------------------------------------------------------------------------
// Global variables
// -------------------------------------------------------------------------
global $net2ftp_settings, $net2ftp_globals, $net2ftp_result, $net2ftp_messages;
// Set the NET2FTP constant which is used to check if template files are called by net2ftp
if (defined("NET2FTP") == false) {
define("NET2FTP", 1);
}
// Initialize the global variables
if ($action == "sendHttpHeaders") {
$net2ftp_globals = array();
$net2ftp_messages = array();
$net2ftp_output = array();
$net2ftp_result["success"] = true;
$net2ftp_result["errormessage"] = "";
$net2ftp_result["debug_backtrace"] = "";
$net2ftp_result["exit"] = false;
$net2ftp_settings = array();
}
// -------------------------------------------------------------------------
// If an error occured during a previous execution of net2ftp(), return false
// and let index.php print the error message
// -------------------------------------------------------------------------
if ($net2ftp_result["success"] == false) {
return false;
}
// -------------------------------------------------------------------------
// Input checks
// -------------------------------------------------------------------------
if ($action != "sendHttpHeaders" && $action != "printJavascript" && $action != "printCss" && $action != "printBodyOnload" && $action != "printBody") {
$net2ftp_result["success"] = false;
$net2ftp_result["errormessage"] = "The \$action variable has an unknown value: {$action}.";
$net2ftp_result["debug_backtrace"] = debug_backtrace();
logError();
return false;
}
// -------------------------------------------------------------------------
// Read settings files
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
require NET2FTP_APPLICATION_ROOTDIR . "/settings.inc.php";
require NET2FTP_APPLICATION_ROOTDIR . "/settings_authorizations.inc.php";
require NET2FTP_APPLICATION_ROOTDIR . "/settings_screens.inc.php";
}
// -------------------------------------------------------------------------
// Main directories
// -------------------------------------------------------------------------
$net2ftp_globals["application_rootdir"] = NET2FTP_APPLICATION_ROOTDIR;
if (NET2FTP_APPLICATION_ROOTDIR_URL == "/") {
$net2ftp_globals["application_rootdir_url"] = "";
} else {
$net2ftp_globals["application_rootdir_url"] = NET2FTP_APPLICATION_ROOTDIR_URL;
}
$net2ftp_globals["application_includesdir"] = $net2ftp_globals["application_rootdir"] . "/includes";
$net2ftp_globals["application_languagesdir"] = $net2ftp_globals["application_rootdir"] . "/languages";
$net2ftp_globals["application_modulesdir"] = $net2ftp_globals["application_rootdir"] . "/modules";
$net2ftp_globals["application_pluginsdir"] = $net2ftp_globals["application_rootdir"] . "/plugins";
$net2ftp_globals["application_skinsdir"] = $net2ftp_globals["application_rootdir"] . "/skins";
$net2ftp_globals["application_tempdir"] = $net2ftp_globals["application_rootdir"] . "/temp";
// -------------------------------------------------------------------------
// Set basic settings
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
// Run the script to the end, even if the user hits the stop button
ignore_user_abort();
// Execute function shutdown() if the script reaches the maximum execution time (usually 30 seconds)
// DON'T REGISTER IT HERE YET, as this causes errors on newer versions of PHP; first include the function libraries
// register_shutdown_function("net2ftp_shutdown");
// Set the error reporting level
if ($net2ftp_settings["error_reporting"] == "ALL") {
error_reporting(E_ALL);
} elseif ($net2ftp_settings["error_reporting"] == "NONE") {
error_reporting(0);
} else {
error_reporting(E_ERROR | E_WARNING | E_PARSE);
}
// Timer: start
$net2ftp_globals["starttime"] = microtime();
$net2ftp_globals["endtime"] = microtime();
}
// Set the PHP temporary directory
// putenv("TMPDIR=" . $net2ftp_globals["application_tempdir"]);
// -------------------------------------------------------------------------
// Function libraries:
// 1. Libraries which are always needed
// 2. Register global variables
// 3. Function libraries which are needed depending on certain variables
// // --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
// 1. Libraries which are always needed
require_once $net2ftp_globals["application_includesdir"] . "/authorizations.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/consumption.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/database.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/errorhandling.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/filesystem.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/html.inc.php";
require_once $net2ftp_globals["application_includesdir"] . "/StonePhpSafeCrypt.php";
require_once $net2ftp_globals["application_languagesdir"] . "/languages.inc.php";
require_once $net2ftp_globals["application_skinsdir"] . "/skins.inc.php";
// 1. Define functions which are used, but which did not exist before PHP version 4.3.0
if (version_compare(phpversion(), "4.3.0", "<")) {
require_once $net2ftp_globals["application_includesdir"] . "/before430.inc.php";
}
// 2. Register global variables (POST, GET, GLOBAL, ...)
require_once $net2ftp_globals["application_includesdir"] . "/registerglobals.inc.php";
// 3. Function libraries which are needed depending on certain variables
if ($net2ftp_globals["state"] == "upload" || $net2ftp_globals["state"] == "unzip") {
require_once $net2ftp_globals["application_includesdir"] . "/pclerror.lib.php";
require_once $net2ftp_globals["application_includesdir"] . "/pcltar.lib.php";
require_once $net2ftp_globals["application_includesdir"] . "/pcltrace.lib.php";
require_once $net2ftp_globals["application_includesdir"] . "/pclzip.lib.php";
}
if ($net2ftp_globals["state"] == "advanced_ftpserver" || $net2ftp_globals["state"] == "advanced_parsing" || $net2ftp_globals["state"] == "advanced_webserver" || $net2ftp_globals["state"] == "browse" || $net2ftp_globals["state"] == "copymovedelete" || $net2ftp_globals["state"] == "chmod" || $net2ftp_globals["state"] == "calculatesize" || $net2ftp_globals["state"] == "downloadzip" || $net2ftp_globals["state"] == "findstring" || $net2ftp_globals["state"] == "followsymlink" || $net2ftp_globals["state"] == "install" || $net2ftp_globals["state"] == "zip") {
require_once $net2ftp_globals["application_includesdir"] . "/browse.inc.php";
}
if ($net2ftp_globals["state"] == "downloadzip" || $net2ftp_globals["state"] == "zip") {
require_once $net2ftp_globals["application_includesdir"] . "/zip.lib.php";
}
// 4. Load the plugins
require_once $net2ftp_globals["application_pluginsdir"] . "/plugins.inc.php";
$net2ftp_globals["activePlugins"] = getActivePlugins();
net2ftp_plugin_includePhpFiles();
// 5. Load the language file
includeLanguageFile();
}
// -------------------------------------------------------------------------
// Execute function shutdown() if the script reaches the maximum execution time (usually 30 seconds)
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
register_shutdown_function("net2ftp_shutdown");
}
// -------------------------------------------------------------------------
// Log access
// --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
logAccess();
if ($net2ftp_result["success"] == false) {
logError();
return false;
}
}
// -------------------------------------------------------------------------
// Check authorizations
// --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders" && $net2ftp_settings["check_authorization"] == "yes" && $net2ftp_globals["ftpserver"] != "") {
checkAuthorization($net2ftp_globals["ftpserver"], $net2ftp_globals["ftpserverport"], $net2ftp_globals["directory"], $net2ftp_globals["username"]);
if ($net2ftp_result["success"] == false) {
logError();
return false;
}
}
// -------------------------------------------------------------------------
// Get the consumption counter values from the database
// This retrieves the consumption of network and server resources for the
// current IP address and FTP server from the database, and stores these
// values in global variables. See /includes/consumption.inc.php for the details.
// --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
getConsumption();
if ($net2ftp_result["success"] == false) {
logError();
return false;
}
}
// -------------------------------------------------------------------------
// Execute the action!
// -------------------------------------------------------------------------
// ------------------------------------
// For most modules, everything must be done: send headers, print body, etc
// ------------------------------------
if ($net2ftp_globals["state"] == "admin" || $net2ftp_globals["state"] == "admin_createtables" || $net2ftp_globals["state"] == "admin_emptylogs" || $net2ftp_globals["state"] == "admin_viewlogs" || $net2ftp_globals["state"] == "advanced" || $net2ftp_globals["state"] == "advanced_ftpserver" || $net2ftp_globals["state"] == "advanced_parsing" || $net2ftp_globals["state"] == "advanced_webserver" || $net2ftp_globals["state"] == "bookmark" || $net2ftp_globals["state"] == "browse" || $net2ftp_globals["state"] == "calculatesize" || $net2ftp_globals["state"] == "chmod" || $net2ftp_globals["state"] == "copymovedelete" || $net2ftp_globals["state"] == "edit" || $net2ftp_globals["state"] == "findstring" || $net2ftp_globals["state"] == "install" || $net2ftp_globals["state"] == "jupload" && $net2ftp_globals["screen"] == 1 || $net2ftp_globals["state"] == "login" || $net2ftp_globals["state"] == "login_small" || $net2ftp_globals["state"] == "logout" || $net2ftp_globals["state"] == "newdir" || $net2ftp_globals["state"] == "raw" || $net2ftp_globals["state"] == "rename" || $net2ftp_globals["state"] == "unzip" || $net2ftp_globals["state"] == "upload" || $net2ftp_globals["state"] == "view" && $net2ftp_globals["state2"] == "" || $net2ftp_globals["state"] == "zip") {
require_once $net2ftp_globals["application_modulesdir"] . "/" . $net2ftp_globals["state"] . "/" . $net2ftp_globals["state"] . ".inc.php";
if ($action == "sendHttpHeaders") {
net2ftp_module_sendHttpHeaders();
// If needed, exit to avoid sending non-header output (by net2ftp or other application)
// Example: if a module sends a HTTP redirect header (See /includes/authorizations.inc.php function checkAdminUsernamePassword()!)
if ($net2ftp_result["exit"] == true) {
exit;
}
} elseif ($action == "printJavascript") {
net2ftp_module_printJavascript();
net2ftp_plugin_printJavascript();
} elseif ($action == "printCss") {
net2ftp_module_printCss();
net2ftp_plugin_printCss();
} elseif ($action == "printBodyOnload") {
net2ftp_module_printBodyOnload();
net2ftp_plugin_printBodyOnload();
} elseif ($action == "printBody") {
// Print the status bar to be able to show the progress
if (isStatusbarActive() == true) {
require_once $net2ftp_globals["application_skinsdir"] . "/" . $net2ftp_globals["skin"] . "/statusbar.template.php";
}
require_once $net2ftp_globals["application_skinsdir"] . "/" . $net2ftp_globals["skin"] . "/status/status.inc.php";
// Do the work and meanwhile update the progress bar
net2ftp_module_printBody();
// Update the consumption statistics
$net2ftp_globals["endtime"] = microtime();
$net2ftp_globals["time_taken"] = timer();
addConsumption(0, $net2ftp_globals["time_taken"]);
putConsumption();
// Set the progress bar to "finished"
if (isStatusbarActive() == true) {
$statusmessage = __("Script finished in %1\$s seconds", $net2ftp_globals["time_taken"]);
setStatus(1, 1, $statusmessage);
}
}
} elseif ($net2ftp_globals["state"] == "clearcookies" || $net2ftp_globals["state"] == "downloadfile" || $net2ftp_globals["state"] == "downloadzip" || $net2ftp_globals["state"] == "followsymlink" || $net2ftp_globals["state"] == "jupload" && $net2ftp_globals["screen"] == 2 || $net2ftp_globals["state"] == "view" && $net2ftp_globals["state2"] != "") {
require_once $net2ftp_globals["application_modulesdir"] . "/" . $net2ftp_globals["state"] . "/" . $net2ftp_globals["state"] . ".inc.php";
if ($action == "sendHttpHeaders") {
// Do the work - do not update the progress bar
net2ftp_module_sendHttpHeaders();
// Update the consumption statistics
$net2ftp_globals["endtime"] = microtime();
$net2ftp_globals["time_taken"] = timer();
addConsumption(0, $net2ftp_globals["time_taken"]);
putConsumption();
// Exit to avoid sending non-header output (by net2ftp or other application)
exit;
} elseif ($action == "printJavascript") {
} elseif ($action == "printCss") {
} elseif ($action == "printBodyOnload") {
} elseif ($action == "printBody") {
}
} elseif ($net2ftp_globals["state"] == "error") {
logError();
return false;
} else {
$errormessage = __("Unexpected state string: %1\$s. Exiting.", $net2ftp_globals["state"]);
setErrorVars(false, $errormessage, debug_backtrace(), __FILE__, __LINE__);
logError();
return false;
}
}
