<?php

/**

 *  DUPLICATOR_CREATE

 *  Creates the zip file, database entry, and installer file for the

 *  new culmination of a 'Package Set'

 *

 *  @return string   A message about the action

 *		- log:act__create=>done

 */

function duplicator_create() {

	global $wp_version;

	global $wpdb;

	global $current_user;

	$packname = isset($_POST['package_name']) ? trim($_POST['package_name']) : null;

	$secure_token  = uniqid() . mt_rand(1000, 9999);

	$uniquename    = "{$secure_token}_{$packname}";

	foreach(glob(DUPLICATOR_SSDIR_PATH . '/*.log') as $log_file){

		@unlink($log_file);

	}

	$logfilename = "{$uniquename}.log";

	$GLOBALS['duplicator_package_log_handle'] = @fopen(DUPLICATOR_SSDIR_PATH . "/{$logfilename}", "c+");

	duplicator_log("*********************************************************");

	duplicator_log("PACKAGE-LOG: ");

	duplicator_log("*********************************************************");

	duplicator_log("duplicator: " . DUPLICATOR_VERSION);

	duplicator_log("wordpress: {$wp_version}");

	duplicator_log("php: " .  phpversion());

	duplicator_log("php sapi: " .  php_sapi_name());

	duplicator_log("server: {$_SERVER['SERVER_SOFTWARE']}");

	duplicator_log("browser: {$_SERVER['HTTP_USER_AGENT']}");

	duplicator_log("package name: {$packname}");

	if($packname) {

		$max_time   = @ini_set("max_execution_time", $GLOBALS['duplicator_opts']['max_time']); 

		$max_memory = @ini_set('memory_limit', $GLOBALS['duplicator_opts']['max_memory']);

		$max_time   = ($max_time === false)   ? "Unabled to set max_execution_time"  : "from={$max_time} to={$GLOBALS['duplicator_opts']['max_time']}";

		$max_memory = ($max_memory === false) ? "Unabled to set memory_limit"		 : "from={$max_memory} to={$GLOBALS['duplicator_opts']['max_memory']}";

		@set_time_limit(0);

		duplicator_log("max_time: {$max_time}");

		duplicator_log("max_memory: {$max_memory}");

		$zipfilename  = "{$uniquename}_package.zip";

		$sqlfilename  = "{$uniquename}_database.sql";

		$exefilename  = "{$uniquename}_installer.php";

		$zipfilepath  = DUPLICATOR_SSDIR_PATH . "/{$zipfilename}";

		$sqlfilepath  = DUPLICATOR_SSDIR_PATH . "/{$sqlfilename}";

		$exefilepath  = DUPLICATOR_SSDIR_PATH . "/{$exefilename}";

		$zipsize 	  = 0;

		duplicator_log("mysql wait_timeout: {$GLOBALS['duplicator_opts']['max_time']}");

		$wpdb->query("SET session wait_timeout = {$GLOBALS['duplicator_opts']['max_time']}");

		duplicator_log("*********************************************************");

		duplicator_log("SQL SCRIPT");

		duplicator_log("*********************************************************");

		duplicator_create_dbscript($sqlfilepath);		

		//CREATE ZIP ARCHIVE

		duplicator_log("*********************************************************");

		duplicator_log("ZIP ARCHIVE");

		duplicator_log("*********************************************************");

		$zip = new Duplicator_Zip($zipfilepath, rtrim(DUPLICATOR_WPROOTPATH, '/'), $sqlfilepath);

		$zipsize = filesize($zipfilepath);

		($zipsize == false) 

			? duplicator_log("log:act__create=>warning: zipsize is unknown.")

			: duplicator_log("log:act__create=>zip file size is: " . duplicator_bytesize($zipsize));

		duplicator_log("log:act__create=>zip archive complete.", 2);

		//Serlized settings

		$settings = array('plugin_version' => DUPLICATOR_VERSION,

						  'type' 		   => 'Manual');

		$serialized_settings = serialize($settings);

		//Record archive info to database

		 $results = $wpdb->insert($wpdb->prefix . "duplicator", 

						array(

						      'token'    => $secure_token, 

							  'packname' => $packname, 

							  'zipname'  => $zipfilename, 

							  'zipsize'  => $zipsize, 

							  'created'  => current_time('mysql', get_option('gmt_offset')),

							  'owner'    => $current_user->user_login,

							  'settings' => "{$serialized_settings}") 

						);

		if ($wpdb->insert_id) {

			duplicator_log("log:act__create=>recorded archieve id: " . $wpdb->insert_id);

		} else {

			duplicator_log("log:act__create=>unable to record to database.");

		}

		$wpdb->flush();

		//UPDATE INSTALL FILE

		duplicator_log("*********************************************************");

		duplicator_log("UPDATE INSTALLER FILE");

		duplicator_log("*********************************************************");

		duplicator_build_installerFile();

		duplicator_create_installerFile($uniquename);

		//SEND EMAIL

		//TODO: Send only SQL File via mail.  Zip files can get too large

		if( $GLOBALS['duplicator_opts']['email-me'] == "1" ) {

			duplicator_log("log:act__create=>email started");

			$status      = ($zipsize) ? 'Success' : 'Failure';

			$attachments = ""; //array(DUPLICATOR_SSDIR_PATH . '/' . $packname .'.zip');

			$headers = 'From: Duplicator Plugin <no-reply@lifeinthegrid.com>' ."\r\n";

			$subject = "Package '{$packname}' completed";

			$message = "Run Status: {$status}\n\rSite Name: " . get_bloginfo('name') . "\n\rPackage Name: {$packname} \n\rCompleted at: " .current_time('mysql',get_option('gmt_offset'))  ;

			wp_mail($current_user->user_email, $subject, $message, $headers, $attachments);

			duplicator_log("log:act__create=>sent email to: {$current_user->user_email}");

			$other_emails = @preg_split("/[,;]/",  $GLOBALS['duplicator_opts']['email_others']);

			if (count($other_emails)) {

				wp_mail($other_emails, $subject, $message, $headers, $attachments);

				duplicator_log("log:act__create=>other emails sent: {$GLOBALS['duplicator_opts']['email_others']}");

			}

			duplicator_log("log:act__create=>email finished");

		}

	} 

	duplicator_log("*********************************************************");

	duplicator_log("DONE PROCESSING => {$packname}");

	duplicator_log("*********************************************************");

	@fclose($GLOBALS['duplicator_package_log_handle']);

	die();

}

/**

 *  DUPLICATOR_DELETE

 *  Deletes the zip file and database record entries for the

 *  selected ids.  Supports 1 to many deletes

 *

 *  @return string   A message about the action.  

 *		- see: duplicator_unlink

 */

function duplicator_delete() {

	try

	{

		$uniqueid = isset($_POST['duplicator_delid']) ? trim($_POST['duplicator_delid']) : null;

		if ($uniqueid != null) {

			$unique_list = explode(",", $uniqueid);

			foreach ($unique_list as $id) {

				$msg  = duplicator_unlink($id);

			}

		}

		die($msg);

	}  

	catch(Exception $e) 

	{

		die("log:fun__delete=>runtime error: " . $e);

	}

}

/**

 *  DUPLICATOR_SYSTEM_CHECK

 *  Check to see if the package already exsits or required files

 *  are installed.  Also check for package size

 *  

 *  @return string   A message about the action

 *		- log:act__system_check=>create new package

 *		- log:act__system_check=>overwrite

 */

function duplicator_system_check() {

	global $wpdb;

	@set_time_limit($GLOBALS['duplicator_opts']['max_time']);

	duplicator_init_snapshotpath();

	$json = array();

	//SYS-100: FILE PERMS

	$test = is_readable(DUPLICATOR_WPROOTPATH)

			&& is_writeable(DUPLICATOR_SSDIR_PATH)

			&& is_writeable(DUPLICATOR_PLUGIN_PATH . 'files/')

			&& is_writeable(DUPLICATOR_PLUGIN_PATH . 'files/installer.rescue.php');

	$json['SYS-100'] = ($test) ? 'Pass' : 'Fail';

	//SYS-101 RESERVED FILE

	$phpFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_PHP) ? DUPLICATOR_INSTALL_PHP : "";

	$sqlFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_SQL) ? DUPLICATOR_INSTALL_SQL : "";

	$logFile = file_exists(DUPLICATOR_WPROOTPATH . DUPLICATOR_INSTALL_LOG) ? DUPLICATOR_INSTALL_LOG : "";

	$test = ! (strlen($phpFile) || strlen($sqlFile ) || strlen($logFile));

	$json['SYS-101'] = ($test) ? 'Pass' : 'Fail';

	//SYS-102 ZIP-ARCHIVE

	$test = class_exists('ZipArchive');

	$json['SYS-102'] = ($test) ? 'Pass' : 'Fail';

	//SYS-103 SAFE MODE

	$test = ini_get('safe_mode');;

	$json['SYS-103'] = ! ($test) ? 'Pass' : 'Fail';

	//SYS-104 MYSQL SUPPORT

	$mysql_test1 = function_exists('mysqli_connect');

	$mysql_test2 = version_compare($wpdb->db_version(), '4.1', '>=' );

	$json['SYS-104'] = ($mysql_test1 && $mysql_test2) ? 'Pass' : 'Fail'; 

	//SYS-105 PHP VERSION

	$test  = version_compare(phpversion(), '5.2.17');

	$json['SYS-105'] = ($test >= 0) ? 'Pass' : 'Fail';

	$result = in_array('Fail', $json);

	$json['Success'] = ! $result;

	die(json_encode($json));

}

/**

 *  DUPLICATOR_SYSTEM_DIRECTORY

 *  Returns the directory size and file count for the root directory minus

 *  any of the filters

 *  

 *  @return json   size and file count of directory

 */

function duplicator_system_directory() {

	$json = array();

	$dirInfo = duplicator_dirInfo(rtrim(duplicator_safe_path(DUPLICATOR_WPROOTPATH), '/'));

	$dirSizeFormat   = duplicator_bytesize($dirInfo['size']) or "0";

	$dirCountFormat  = number_format($dirInfo['count']) or "unknown";

	$dirFolderFormat = number_format($dirInfo['folders']) or "unknown";

	$json['size']    = $dirSizeFormat;

	$json['count']   = $dirCountFormat;

	$json['folders'] = $dirFolderFormat;

	$json['flag'] = $dirInfo['flag'];

	die(json_encode($json));

}

/**

 *  DUPLICATOR_UNLINK

 *  Removes the package

 *  

 *  @param string $file	 	The file name of the file to delete.

 *  @param string $path		The full path and file name of the file to delete

 *

 *  @return string   A message about the action

 *		- log:act__unlink=>removed

 *		- log:act__unlink=>file not found

 */

function duplicator_unlink($uniqueid) {

	try

	{

		$msg = "log:act__unlink=>file not found";

		if($uniqueid) {

			global $wpdb;

			$table_name = $wpdb->prefix . 'duplicator';

			if($wpdb->query("DELETE FROM {$table_name} WHERE zipname= '{$uniqueid}_package.zip'" ) != 0) {

				$msg = "log:act__unlink=>removed";

				try {

					@chmod(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}_package.zip"), 0644);

				    @chmod(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}_database.sql"), 0644);

					@unlink(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}_package.zip"));

					@unlink(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}_database.sql"));

					@unlink(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}_installer.php"));

				}

				catch(Exception $e) {

					error_log(var_dump($e->getMessage()));

				}

			//Check for Legacy pre 0.3.1

			} else if($wpdb->query("DELETE FROM {$table_name} WHERE zipname= '{$uniqueid}'" ) != 0) {

				try {

					@chmod(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}"), 0644);

					@unlink(duplicator_safe_path(DUPLICATOR_SSDIR_PATH . "/{$uniqueid}"));

				} catch(Exception $e) {

					error_log(var_dump($e->getMessage()));

				}

			}

		}

		return $msg;

	}  

	catch(Exception $e) 

	{

		die("log:fun__unlink=>runtime error: " . $e);

	}	

}

/**

 *  DUPLICATOR_SETTINGS

 *  Saves plugin settings

 *  

 *  @return string   A message about the action

 *		- log:act__settings=>saved

 */

function duplicator_settings(){

	//defaults

	add_option('duplicator_options', '');

	$skip_ext = str_replace(array(' ', '.'), "", $_POST['skip_ext']);

	$by_pass_array = explode(";", $_POST['dir_bypass']);

	$by_pass_clean = "";

	foreach ($by_pass_array as $val) {

		if (strlen($val) >= 2) {

			$by_pass_clean .= duplicator_safe_path(trim(rtrim($val, "/\\"))) . ";";

		}

	}

	if (is_numeric($_POST['max_memory'])) {

		$maxmem = $_POST['max_memory'] < 256 ? 256 : $_POST['max_memory'];

	} else {

		$maxmem = 256;

	}

	$duplicator_opts = array(

		'dbhost'		=>$_POST['dbhost'],

		'dbname'		=>$_POST['dbname'],

		'dbuser'		=>$_POST['dbuser'],

		'dbiconv'		=>$_POST['dbiconv'],

		'url_new'			=>rtrim($_POST['url_new'], '/'),

		'email-me'		=>$_POST['email-me'],

		'email_others'	=>$_POST['email_others'],

		'max_time'		=>$_POST['max_time'],

		'max_memory'	=>preg_replace('/\D/', '', $maxmem) . 'M',

		'skip_ext'		=>str_replace(",", ";", $skip_ext),

		'dir_bypass'	=>$by_pass_clean,

		'log_level'		=>$_POST['log_level'],

		'rm_snapshot'	=>$_POST['rm_snapshot']);

	update_option('duplicator_options', serialize($duplicator_opts));

	die("log:act__settings=>saved");

}

//DO NOT ADD A CARRIAGE RETURN BEYOND THIS POINT (headers issue)!!

?>