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|
<?php
// -------------------------------------------------------------------------------
// | net2ftp: a web based FTP client |
// | Copyright (c) 2003-2006 by David Gartner |
// | |
// | This program is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU General Public License |
// | as published by the Free Software Foundation; either version 2 |
// | of the License, or (at your option) any later version. |
// | |
// | This program is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// | GNU General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
// | |
// -------------------------------------------------------------------------------
// **************************************************************************************
// **************************************************************************************
// ** **
// ** **
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["error_message"] = "";
$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["error_message"] = "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
// // --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($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();
}
// -------------------------------------------------------------------------
// 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($net2ftp_globals["application_languagesdir"] . "/languages.inc.php");
require_once($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");
}
// 3. Load the plugins
require_once($net2ftp_globals["application_pluginsdir"] . "/plugins.inc.php");
$net2ftp_globals["activePlugins"] = getActivePlugins();
net2ftp_plugin_includePhpFiles();
// 3. Load the language file
includeLanguageFile();
}
// -------------------------------------------------------------------------
// Execute function shutdown() if the script reaches the maximum execution time (usually 30 seconds)
// -------------------------------------------------------------------------
register_shutdown_function("net2ftp_shutdown");
// -------------------------------------------------------------------------
// 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;
}
}
// -------------------------------------------------------------------------
// Log access
// --> Do this only once, when $action == "sendHttpHeaders"
// -------------------------------------------------------------------------
if ($action == "sendHttpHeaders") {
logAccess();
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, $statusmessage);
}
}
}
// ------------------------------------
// For some modules, only headers must be sent
// ------------------------------------
elseif ($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;
}
} // end function net2ftp_main
// ** **
// ** **
// **************************************************************************************
// **************************************************************************************
// **************************************************************************************
// **************************************************************************************
// ** **
// ** **
function isStatusbarActive() {
// --------------
// This function returns if the status bar should be shown or not, depending
// on the state and state2 variables
// --------------
global $net2ftp_globals;
// If $net2ftp_globals["isStatusbarActive"] is not yet filled, calculate its value
// and fill it in
if (isset($net2ftp_globals["isStatusbarActive"]) == false) {
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["state2"] == "main") ||
$net2ftp_globals["state"] == "calculatesize" ||
$net2ftp_globals["state"] == "chmod" ||
$net2ftp_globals["state"] == "copymovedelete" ||
$net2ftp_globals["state"] == "easywebsite" ||
$net2ftp_globals["state"] == "findstring" ||
$net2ftp_globals["state"] == "install" ||
$net2ftp_globals["state"] == "jupload" ||
$net2ftp_globals["state"] == "newdir" ||
$net2ftp_globals["state"] == "newfile" ||
$net2ftp_globals["state"] == "raw" ||
$net2ftp_globals["state"] == "rename" ||
$net2ftp_globals["state"] == "unzip" ||
$net2ftp_globals["state"] == "updatefile" ||
$net2ftp_globals["state"] == "upload" ||
$net2ftp_globals["state"] == "view" ||
$net2ftp_globals["state"] == "zip") {
$net2ftp_globals["isStatusbarActive"] = true;
}
else {
$net2ftp_globals["isStatusbarActive"] = false;
}
}
// Return the value of $net2ftp_globals["isStatusbarActive"]
return $net2ftp_globals["isStatusbarActive"];
} // end function isStatusbarActive
// ** **
// ** **
// **************************************************************************************
// **************************************************************************************
// **************************************************************************************
// **************************************************************************************
// ** **
// ** **
function stopwatch() {
// --------------
// This function prints the total time elapsed, and the time elapsed since the previous call
// --------------
global $net2ftp_globals;
// Now
list($now_usec, $now_sec) = explode(' ', microtime());
$now = ((float)$now_usec + (float)$now_sec);
// Initialization
if (isset($net2ftp_globals["stopwatch_starttime"]) == false) {
$net2ftp_globals["stopwatch_starttime"] = $now;
}
if (isset($net2ftp_globals["stopwatch_endtime"]) == false) {
$net2ftp_globals["stopwatch_endtime"] = $now;
}
// Total time elapsed = now - starttime
$total_elapsed = $now - $net2ftp_globals["stopwatch_starttime"];
$total_elapsed = number_format($total_elapsed, 4);
// Time since previous stopwatch = now - previous endtime
$delta_elapsed = $now - $net2ftp_globals["stopwatch_endtime"];
$delta_elapsed = number_format($delta_elapsed, 4);
// Set the new value for endtime
$net2ftp_globals["stopwatch_endtime"] = $now;
// Print $total_elapsed and $delta_elapsed
echo $total_elapsed . " - " . $delta_elapsed . "<br />\n";
} // End function stopwatch()
// ** **
// ** **
// **************************************************************************************
// **************************************************************************************
?>
|