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2101 lines (2020 loc) · 136 KB
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<!DOCTYPE HTML>
<?php
// / -----------------------------------------------------------------------------------
// / APPLICATION INFORMATION ...
// / HRConvert2, Copyright on 3/18/2023 by Justin Grimes, www.github.com/zelon88
// /
// / LICENSE INFORMATION ...
// / This project is protected by the GNU GPLv3 Open-Source license.
// / https://www.gnu.org/licenses/gpl-3.0.html
// /
// / APPLICATION INFORMATION ...
// / This application is designed to provide a web-interface for converting file formats
// / on a server for users of any web browser without authentication.
// /
// / FILE INFORMATION ...
// / v3.1.9.9.
// / This file contains the core logic of the application.
// /
// / HARDWARE REQUIREMENTS ...
// / This application requires at least a Raspberry Pi Model B+ or greater.
// / This application will run on just about any x86 or x64 computer.
// /
// / DEPENDENCY REQUIREMENTS ...
// / This application requires Debian Linux (w/3rd Party audio license),
// / Apache 2.4, PHP 8+, LibreOffice, Unoconv, ClamAV, Tesseract, Rar, Unrar, Unzip,
// / 7zipper, FFMPEG, PDFTOTEXT, Dia, PopplerUtils, MeshLab, Mkisofs & ImageMagick.
// /
// / <3 Open-Source
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to reset PHP's time limit for execution.
function setTimeLimit() {
$TimeReset = set_time_limit(0);
return $TimeReset; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set the date & time for the session.
function verifyTime() {
// / Set variables.
global $TimeIsSet, $Date, $Time;
$TimeIsSet = FALSE;
$tzAbbreviations = DateTimeZone::listAbbreviations();
$tzList = array();
// / Build a list of timezones supported by this PHP installation.
foreach ($tzAbbreviations as $zone) foreach ($zone as $item) if (is_string($item['timezone_id']) && $item['timezone_id'] !== '') $tzList[] = $item['timezone_id'];
$tzList = array_unique($tzList);
$zoneList = array_values($tzList);
// / Check that the currently set timezone is valid.
if (in_array(@date_default_timezone_get(), $zoneList)) $TimeIsSet = TRUE;
// / Try to set the time regardless of whether or not the timezone is correct.
$Date = date("m_d_y");
$Time = date("F j, Y, g:i a");
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$tzAbbreviations = $tzList = $zoneList = $zone = $item = NULL;
unset($tzAbbreviations, $tzList, $zoneList, $zone, $item);
return array($TimeIsSet, $Date, $Time); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to sanitize input strings with varying degrees of tolerance.
// / Filters a given string of | \ ~ # [ ] ( ) { } ; : $ ! # ^ & % @ > * < " / '
// / This function will replace any of the above specified charcters with NOTHING. No character at all. An empty string.
// / This function will replace whitespace with the underscore character.
// / Set $strict to TRUE to also filter out backslash characters as well. Example: /
function sanitizeString($Variable, $strict) {
if ($strict) $Variable = htmlentities(trim(str_replace(' ', '_', str_replace('..', '', str_replace('//', '', str_replace(str_split('|\\~#[](){};:$!#^&%@>*<"\'/'), '', $Variable))))), ENT_QUOTES, 'UTF-8');
if (!$strict) $Variable = htmlentities(trim(str_replace(' ', '_', str_replace('..', '', str_replace('//', '', str_replace(str_split('|\\[](){};"\''), '', $Variable))))), ENT_QUOTES, 'UTF-8');
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$strict = NULL;
unset($strict);
return $Variable; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to sanitize input strings or arrays with varying degrees of tolerance.
// / Filters a given string of | \ ~ # [ ] ( ) { } ; : $ ! # ^ & % @ > * < " / '
// / This function will replace any of the above specified charcters with NOTHING. No character at all. An empty string.
// / This function will replace whitespace with the underscore character.
// / Set $strict to TRUE to also filter out backslash characters as well. Example: /
function sanitize($Variable, $strict) {
// / Set variables.
$VariableIsSanitized = TRUE;
$var = '';
$key = 0;
if (!is_bool($strict)) $strict = TRUE;
// / Only continue if the input variable is a type that we can properly sanitize.
if (!is_string($Variable) && !is_numeric($Variable) && !is_array($Variable)) $VariableIsSanitized = FALSE;
else {
// / Sanitize array inputs.
// / Note that when $strict is TRUE this also filters out backslashes.
if (is_array($Variable)) $Variable[$key] = sanitizeString($Variable[$key], $strict);
// / Sanitize string & numeric inputs.
// / Note that when $strict is TRUE this also filters out backslashes.
if (is_string($Variable) or is_numeric($Variable)) $Variable = sanitizeString($Variable, $strict); }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$strict = $key = $var = NULL;
unset($strict, $key, $var);
return array($Variable, $VariableIsSanitized); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to load required HRConvert2 files.
function verifyInstallation() {
// / Set variables.
global $Salts1, $Salts2, $Salts3, $Salts4, $Salts5, $Salts6, $URL, $VirusScan, $AllowUserVirusScan, $InstLoc, $ServerRootDir, $ConvertLoc, $LogDir, $ApplicationName, $ApplicationTitle, $SupportedLanguages, $DefaultLanguage, $AllowUserSelectableLanguage, $DeleteThreshold, $Verbose, $MaxLogSize, $Font, $ButtonStyle, $ShowGUI, $ShowFinePrint, $TOSURL, $PPURL, $ScanCoreMemoryLimit, $ScanCoreChunkSize, $ScanCoreDebug, $ScanCoreVerbose, $defaultButtonCode, $greenButtonCode, $blueButtonCode, $redButtonCode, $SpinnerStyle, $SpinnerColor, $URL, $AllowUserShare, $SupportedConversionTypes;
$InstallationIsVerified = TRUE;
$ConfigFile = realpath(dirname(__FILE__).DIRECTORY_SEPARATOR.'config.php');
$StyleCoreFile = realpath(dirname(__FILE__).DIRECTORY_SEPARATOR.'Resources'.DIRECTORY_SEPARATOR.'styleCore.php');
if (!file_exists($ConfigFile)) die ('ERROR!!! HRConvert-0: Could not process the HRConvert2 Configuration file (config.php)!'.PHP_EOL.'<br />');
else require_once ($ConfigFile);
if (!file_exists($StyleCoreFile)) die ('ERROR!!! HRConvert-1: Could not process the HRConvert2 Style Core file (Resources/styleCore.php)!'.PHP_EOL.'<br />');
else require_once ($StyleCoreFile);
return array($InstallationIsVerified, $ConfigFile, $StyleCoreFile, ); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to attempt to detect the users IP so it can be used as a unique identifier for the session.
function verifySession() {
// / Set variables.
$IP = '';
$HashedUserAgent = hash('sha256', $_SERVER['HTTP_USER_AGENT']);
$SessionIsVerified = TRUE;
// / Detect an IP that we can use as an identifier for the session.
if (!empty($_SERVER['HTTP_CLIENT_IP'])) $IP = htmlentities(str_replace(str_split('~#[](){};:$!#^&%@>*<"\''), '', $_SERVER['HTTP_CLIENT_IP']), ENT_QUOTES, 'UTF-8');
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) $IP = htmlentities(str_replace(str_split('~#[](){};:$!#^&%@>*<"\''), '', $_SERVER['HTTP_X_FORWARDED_FOR']), ENT_QUOTES, 'UTF-8');
else $IP = htmlentities(str_replace('..', '', str_replace(str_split('~#[](){};:$!#^&%@>*<"\''), '', $_SERVER['REMOTE_ADDR'])), ENT_QUOTES, 'UTF-8');
return array($SessionIsVerified, $IP, $HashedUserAgent); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to define the $SesHash related variables for the session.
function verifySesHash($IP, $HashedUserAgent) {
// / Set variables.
global $Date, $Salts1, $Salts2, $Salts3, $Salts4, $Salts5, $Salts6, $Token1;
if (is_string($Salts1) && is_string($Salts2) && is_string($Salts3) && is_string($Salts4) && is_string($Salts4) && is_string($Salts5) && is_string($Salts6)) {
$SesHashIsVerified = TRUE;
$SesHash = substr(hash('ripemd160', $Date.$Salts1.$Salts2.$Salts3.$Salts4.$Salts5.$Salts6), -12);
$SesHash2 = substr(hash('ripemd160', $SesHash.$Token1.$Date.$IP.$HashedUserAgent.$Salts1.$Salts2.$Salts3.$Salts4.$Salts5.$Salts6), -12);
$SesHash3 = $SesHash.'/'.$SesHash2;
$SesHash4 = hash('ripemd160', $Salts6.$Salts5.$Salts4.$Salts3.$Salts2.$Salts1); }
else $SesHashIsVerified = $SesHash = $SesHash2 = $SesHash3 = $SesHash4 = FALSE;
return array($SesHashIsVerified, $SesHash, $SesHash2, $SesHash3, $SesHash4); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to create a logfile if one does not exist.
function verifyLogs() {
// / Set variables.
global $LogDir, $LogFile, $MaxLogSize, $InstLoc, $SesHash, $SesHash4, $DefaultLogDir, $DefaultLogSize, $Time, $Date, $LogInc, $LogInc2, $MaxLogSize, $LogDir, $LogFile, $VirusScan, $ApplicationName, $PermissionLevels;
$LogExists = $logWritten = FALSE;
$LogInc = $LogInc2 = 0;
$LogFile = str_replace('..', '', $LogDir.'/'.$ApplicationName.'_'.$LogInc.'_'.$Date.'_'.$SesHash4.'_'.$SesHash.'.txt');
$DefaultLogDir = $InstLoc.'/Logs';
$DefaultLogSize = 1048576;
$ClamLogFile = str_replace('..', '', $LogDir.'/ClamLog_'.$LogInc2.'_'.$Date.'_'.$SesHash4.'_'.$SesHash.'.txt');
if (!is_numeric($MaxLogSize)) $MaxLogSize = $DefaultLogSize;
if (!is_dir($LogDir)) @mkdir($LogDir, $PermissionLevels);
if (!is_dir($LogDir)) $LogDir = $DefaultLogDir;
if (!is_dir($LogDir)) die('ERROR!!! '.$Time.': '.$ApplicationName.'-3, The log directory does not exist at '.$LogDir.'.');
if (!file_exists($LogDir.'/index.html')) @copy('index.html', $LogDir.'/index.html');
// / Create a log file depending on whether or not the max filesize has been reached.
while (file_exists($LogFile) && round((filesize($LogFile) / $MaxLogSize), 2) > $MaxLogSize) {
$LogInc++;
$LogFile = str_replace('..', '', $LogDir.'/'.$ApplicationName.'_'.$LogInc.'_'.$Date.'_'.$SesHash4.'_'.$SesHash.'.txt');
$logWritten = file_put_contents($LogFile, 'OP-Act, '.$Time.': Logfile created using method 0.'.PHP_EOL, FILE_APPEND); }
if (!file_exists($LogFile)) $logWritten = file_put_contents($LogFile, 'OP-Act, '.$Time.': Logfile created using method 1.'.PHP_EOL, FILE_APPEND);
if (file_exists($LogFile)) $LogExists = TRUE;
// / Set a clamlog file depending on whether or not the max filesize has been reached, but do not create one yet.
if ($VirusScan) {
while (file_exists($ClamLogFile) && round((filesize($ClamLogFile) / $MaxLogSize), 2) > $MaxLogSize) {
$LogInc2++;
$LogFile = str_replace('..', '', $LogDir.'/ClamLog_'.$LogInc2.'_'.$Date.'_'.$SesHash4.'_'.$SesHash.'.txt'); } }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$logWritten = NULL;
unset($logWritten);
return array($LogExists, $LogFile, $ClamLogFile); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to format a log entry & write it to the logfile.
function logEntry($entry) {
// / Set variables.
global $Time, $LogFile, $SesHash3;
$LogWritten = FALSE;
// / Format the input string into a log entry & write it to the $LogFile.
$LogWritten = file_put_contents($LogFile, 'Op-Act, '.$Time.', '.$SesHash3.': '.$entry.PHP_EOL, FILE_APPEND);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$entry = NULL;
unset($entry);
return $LogWritten; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to format an error entry & write it to the logfile.
function errorEntry($entry, $errorNumber, $die) {
// / Set variables.
global $Time, $LogFile, $SesHash3, $ApplicationName;
$LogWritten = FALSE;
// / Format the error number into a unique error identifier.
if (!is_numeric($errorNumber)) $errorNumber = $ApplicationName.'-###';
else $errorNumber = $ApplicationName.'-'.$errorNumber;
// / Format the input string into a log entry with the error number & write it to the $LogFile.
$LogWritten = file_put_contents($LogFile, 'ERROR!!! '.$Time.', '.$errorNumber.', '.$SesHash3.': '.$entry.PHP_EOL, FILE_APPEND);
if ($die) die('ERROR!!! '.$Time.' '.$errorNumber.': '.$entry.PHP_EOL);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$entry = $errorNumber = $die = NULL;
unset($entry, $errorNumber, $die);
return $LogWritten; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set an echo variable that adjusts printed URL's to https when SSL is enabled.
function verifyEncryption() {
$EncryptionVerified = TRUE;
// / Determine if the connection is encrypted and adjust the $URLEcho accordingly.
if (!empty($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] == 443) $URLEcho = 's';
else $URLEcho = '';
return array($EncryptionVerified, $URLEcho); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set or validates a Token so it can be used as a unique identifier for the session.
function verifyTokens($Token1, $Token2) {
// / Verify variables.
global $Salts1, $Salts2, $Salts3, $Salts4, $Salts5, $Salts6;
$TokensAreValid = TRUE;
// / Check that tokens are valid & set them if they are not.
if (!isset($Token1) or $Token1 === '' or strlen($Token1) < 19) $Token1 = hash('ripemd160', rand(0, 1000000000).rand(0, 1000000000));
if (isset($Token2)) if ($Token2 !== hash('ripemd160', $Token1.$Salts1.$Salts2.$Salts3.$Salts4.$Salts5.$Salts6)) $TokensAreValid = FALSE;
if (!isset($Token2) or $Token2 === '' or strlen($Token2) < 19) $Token2 = hash('ripemd160', $Token1.$Salts1.$Salts2.$Salts3.$Salts4.$Salts5.$Salts6);
return array($TokensAreValid, $Token1, $Token2); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to verify that all required POST & GET inputs are properly sanitized.
function verifyInputs() {
// / Set variables.
$var = FALSE;
$InputsAreVerified = TRUE;
$Language = $Token1 = $Token2 = $Height = $Width = $Rotate = $Bitrate = $Method = $Download = $UserFilename = $UserExtension = $Archive = $UserScanType = $ScanAll = $UserClamScan = $UserScanCoreScan = $var = '';
$variableIsSanitized = $ConvertSelected = $PDFWorkSelected = $FilesToArchive = $FilesToScan = array();
$key = 0;
$ScanType = 'all';
// / Sanitize each variable as needed & build a list of error check results.
if (isset($_POST['noGui'])) $_GET['noGui'] = TRUE;
if (isset($_POST['language'])) list ($Language, $variableIsSanitized[$key++]) = sanitize($_POST['language'], TRUE);
if (isset($_POST['Token1'])) list ($Token1, $variableIsSanitized[$key++]) = sanitize($_POST['Token1'], TRUE);
if (isset($_POST['Token2'])) list ($Token2, $variableIsSanitized[$key++]) = sanitize($_POST['Token2'], TRUE);
if (isset($_POST['height'])) list ($Height, $variableIsSanitized[$key++]) = sanitize($_POST['height'], TRUE);
if (isset($_POST['width'])) list ($Width, $variableIsSanitized[$key++]) = sanitize($_POST['width'], TRUE);
if (isset($_POST['rotate'])) list ($Rotate, $variableIsSanitized[$key++]) = sanitize($_POST['rotate'], TRUE);
if (isset($_POST['bitrate'])) list ($Bitrate, $variableIsSanitized[$key++]) = sanitize($_POST['bitrate'], TRUE);
if (isset($_POST['method'])) list ($Method, $variableIsSanitized[$key++]) = sanitize($_POST['method'], TRUE);
if (isset($_POST['download'])) list ($Download, $variableIsSanitized[$key++]) = sanitize($_POST['download'], TRUE);
if (isset($_POST['archive'])) list ($Archive, $variableIsSanitized[$key++]) = sanitize($_POST['archive'], TRUE);
if (isset($_POST['extension'])) list ($UserExtension, $variableIsSanitized[$key++]) = sanitize($_POST['extension'], TRUE);
if (isset($_POST['filesToArchive'])) list ($FilesToArchive, $variableIsSanitized[$key++]) = sanitize($_POST['filesToArchive'], TRUE);
if (isset($_POST['archextension'])) list ($UserExtension, $variableIsSanitized[$key++]) = sanitize($_POST['archextension'], TRUE);
if (isset($_POST['userfilename'])) list ($UserFilename, $variableIsSanitized[$key++]) = sanitize($_POST['userfilename'], TRUE);
if (isset($_POST['userconvertfilename'])) list ($UserFilename, $variableIsSanitized[$key++]) = sanitize($_POST['userconvertfilename'], TRUE);
if (isset($_POST['pdfworkSelected'])) list ($PDFWorkSelected, $variableIsSanitized[$key++]) = sanitize($_POST['pdfworkSelected'], TRUE);
if (isset($_POST['convertSelected'])) list ($ConvertSelected, $variableIsSanitized[$key++]) = sanitize($_POST['convertSelected'], TRUE);
if (isset($_POST['pdfextension'])) list ($UserExtension, $variableIsSanitized[$key++]) = sanitize($_POST['pdfextension'], TRUE);
if (isset($_POST['userpdfconvertfilename'])) list ($UserFilename, $variableIsSanitized[$key++]) = sanitize($_POST['userpdfconvertfilename'], TRUE);
if (isset($_POST['scanallbutton'])) list ($ScanAll, $variableIsSanitized[$key++]) = sanitize($_POST['scanallbutton'], TRUE);
if (isset($_POST['scantype'])) list ($UserScanType, $variableIsSanitized[$key++]) = sanitize($_POST['scantype'], TRUE);
if (isset($_POST['clamscanbutton'])) list ($UserClamScan, $variableIsSanitized[$key++]) = sanitize($_POST['clamscanbutton'], TRUE);
if (isset($_POST['scancorebutton'])) list ($UserScanCoreScan, $variableIsSanitized[$key++]) = sanitize($_POST['scancorebutton'], TRUE);
if (isset($_POST['filesToScan'])) list ($FilesToScan, $variableIsSanitized[$key++]) = sanitize($_POST['filesToScan'], TRUE);
// / Handle when a user submits User Virus Scan options.
if (isset($_POST['clamScanButton']) && isset($_POST['filesToScan'])) $ScanType = 'clamav';
if (isset($_POST['scancorebutton']) && isset($_POST['filesToScan'])) $ScanType = 'scancore';
if (isset($_POST['scanallbutton']) && isset($_POST['filesToScan'])) $ScanType = 'all';
// / Check the list of error check results and see if any errors occured.
foreach ($variableIsSanitized as $var) if (!$var) ($InputsAreVerified = FALSE);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$variableIsSanitized = $key = $var = NULL;
unset($variableIsSanitized, $key, $var);
return array($InputsAreVerified, $Language, $Token1, $Token2, $Height, $Width, $Rotate, $Bitrate, $Method, $Download, $UserFilename, $UserExtension, $FilesToArchive, $PDFWorkSelected, $ConvertSelected, $FilesToScan, $UserScanType); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set the styles to use for for the session.
function verifyColors($ButtonStyle) {
// / Set variables.
global $greenButtonCode, $blueButtonCode, $redButtonCode, $defaultButtonCode;
$ColorsAreSet = FALSE;
$ButtonStyle = strtolower($ButtonStyle);
$ButtonCode = $defaultButtonCode;
$validColors = array('green', 'blue', 'red', 'grey');
// / Validate the desired color and set it as the color to use if possible.
if (in_array($ButtonStyle, $validColors)) {
$ColorsAreSet = TRUE;
if ($ButtonStyle === 'green') $ButtonCode = $greenButtonCode;
if ($ButtonStyle === 'blue') $ButtonCode = $blueButtonCode;
if ($ButtonStyle === 'red') $ButtonCode = $redButtonCode;
if ($ButtonStyle === 'grey') $ButtonCode = $defaultButtonCode; }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$validColors = $greenButtonCode = $blueButtonCode = $redButtonCode = $defaultButtonCode = NULL;
unset($validColors, $greenButtonCode, $blueButtonCode, $redButtonCode, $defaultButtonCode);
return array($ColorsAreSet, $ButtonCode); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set the language to use for the session.
function verifyLanguage() {
// / Set variables.
global $DefaultLanguage, $SupportedLanguages, $AllowUserSelectableLanguage, $LanguageDir, $LanguageStringsFile, $LanguageHeaderFile, $LanguageFooterFile, $LanguageUI1File, $LanguageUI2File;
$defaultLanguages = $reqFile = $variableIsSanitized = $languageFiles = FALSE;
$LanguageIsSet = TRUE;
$LanguageToUse = 'en';
$defaultLanguages = array('en', 'fr', 'es', 'zh', 'hi', 'ar', 'ru', 'uk', 'bn', 'de', 'ko', 'it', 'pt');
// / Make sure $SupportedLanguages is valid.
if (!isset($SupportedLanguages) or !is_array($SupportedLanguages)) $SupportedLanguages = $defaultLanguages;
// / Make sure $_GET['language'] is properly sanitized.
if (isset($_GET['language'])) list ($_GET['language'], $variableIsSanitized) = sanitize(strtolower($_GET['language']), TRUE);
// / Make sure the Default Language is valid.
if (isset($DefaultLanguage)) if (in_array($DefaultLanguage, $SupportedLanguages)) $LanguageToUse = $DefaultLanguage;
// / If allowed and if specified, detect the users specified language and set that as the language to use.
if (isset($AllowUserSelectableLanguage)) {
if ($AllowUserSelectableLanguage) if (isset($_GET['language'])) if (in_array($_GET['language'], $SupportedLanguages)) {
$LanguageToUse = $_GET['language']; }
if (!$AllowUserSelectableLanguage) $LanguageToUse = $DefaultLanguage; }
// / Set the $_GET['language'] variable to whatever the current language is so the next page will use the same one.
$_GET['language'] = $LanguageToUse;
// / Set the variables to required UI files.
$LanguageDir = 'Languages/'.$LanguageToUse.'/';
$LanguageHeaderFile = $LanguageDir.'header.php';
$LanguageFooterFile = $LanguageDir.'footer.php';
$LanguageUI1File = $LanguageDir.'convertGui1.php';
$LanguageUI2File = $LanguageDir.'convertGui2.php';
$LanguageStringsFile = $LanguageDir.'languageStrings.php';
$languageFiles = array($LanguageStringsFile, $LanguageHeaderFile, $LanguageFooterFile, $LanguageUI1File, $LanguageUI2File);
// / Verify that the required langauge folder exists.
if (!is_dir($LanguageDir)) $LanguageIsSet = FALSE;
// / Verify that required UI files exist.
foreach ($languageFiles as $reqFile) if (!file_exists($reqFile)) $LanguageIsSet = FALSE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$defaultLanguages = $reqFile = $variableIsSanitized = $languageFiles = NULL;
unset($defaultLanguages, $reqFile, $variableIsSanitized, $languageFiles);
return array($LanguageIsSet, $LanguageToUse); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to reliably sanitize a path or URL of dangerous strings.
function securePath($PathToSecure, $DangerArr, $isURL) {
// / Set variables.
global $DirSep;
// / Loop through each dangerous file & remove it from the supplied path.
foreach ($DangerArr as $dArr) $PathToSecure = str_replace($dArr, '', $PathToSecure);
// / Remove double directory separatorsthat may have been created during the last step.
$PathToSecure = str_replace($DirSep.$DirSep, $DirSep, str_replace($DirSep.$DirSep, $DirSep, str_replace('..', '', $PathToSecure)));
// / Detect if the path is a URL & remove double directory separators that may exist.
if ($isURL) $PathToSecure = str_replace($DirSep, '/', $PathToSecure);
// / Rempve double dots that may have been created during the last step.
$PathToSecure = str_replace('..', '', $PathToSecure);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$dArr = $isURL = NULL;
unset($dArr, $isURL);
return $PathToSecure; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to set the global variables for the session.
function verifyGlobals() {
// / Set global variables to be used through the entire application.
global $URL, $URLEcho, $HRConvertVersion, $Date, $Time, $SesHash, $SesHash2, $SesHash3, $SesHash4, $CoreLoaded, $ConvertDir, $InstLoc, $ConvertTemp, $ConvertTempDir, $ConvertGuiCounter1, $DefaultApps, $RequiredDirs, $RequiredIndexes, $DangerousFiles, $Allowed, $ArchiveArray, $DearchiveArray, $DocumentArray, $SpreadsheetArray, $PresentationArray, $ImageArray, $MediaArray, $VideoArray, $SubtitleArray, $StreamArray, $DrawingArray, $ModelArray, $ConvertArray, $PDFWorkArr, $ConvertLoc, $DirSep, $SupportedConversionTypes, $Lol, $Lolol, $Append, $PathExt, $ConsolidatedLogFileName, $ConsolidatedLogFile, $Alert, $Alert1, $Alert2, $Alert3, $FCPlural, $FCPlural1, $FCPlural2, $FCPlural3, $UserClamLogFile, $UserClamLogFileName, $UserScanCoreLogFile, $UserScanCoreFileName, $SpinnerStyle, $SpinnerColor, $FullURL, $ServerRootDir, $StopCounter, $SleepTimer, $PermissionLevels, $ApacheUser, $File, $HeaderDisplayed, $UIDisplayed, $FooterDisplayed, $LanguageStringsLoaded, $GUIDisplayed;
// / Application related variables.
$HRConvertVersion = 'v3.1.9.9';
$CoreLoaded = $GlobalsAreVerified = TRUE;
$StopCounter = $SleepTimer = 0;
$PermissionLevels = 0755;
$ApacheUser = 'www-data';
// / Convinience variables.
$DirSep = DIRECTORY_SEPARATOR;
$Lol = PHP_EOL;
$Lolol = $Lolol;
$Append = FILE_APPEND;
$PathExt = PATHINFO_EXTENSION;
// / UI Related variables.
$ConvertGuiCounter1 = 0;
$Alert = 'Cannot convert this file! Try changing the name.';
$Alert1 = 'Cannot perform a virus scan on this file!';
$Alert2 = 'File Link Copied to Clipboard!';
$Alert3 = 'Operation Failed!';
$File = $FCPlural = $FCPlural1 = $FCPlural2 = $FCPlural3 = '';
$HeaderDisplayed = $UIDisplayed = $FooterDisplayed =$LanguageStringsLoaded = $GUIDisplayed = FALSE;
// / Security related variables.
$DefaultApps = array('.', '..');
$DangerousFiles = array('js', 'php', '.html', 'css', 'phar', '.', '..', 'index.php', 'index.html');
// / URL related variables.
$subDir = securePath(str_replace($ServerRootDir.$DirSep, '', $InstLoc), $DangerousFiles, TRUE);
$partURL = securePath($URL.'/'.$subDir, $DangerousFiles, TRUE);
$FullURL = 'http'.$URLEcho.'://'.$partURL;
// / Directory related variables.
$convertDir0 = securePath($ConvertLoc.$DirSep.$SesHash, $DangerousFiles, $DangerousFiles, FALSE);
$ConvertDir = securePath($convertDir0.$DirSep.$SesHash2.$DirSep, $DangerousFiles, FALSE);
$ConvertTemp = securePath($InstLoc.'/DATA', $DangerousFiles, FALSE);
$convertTempDir0 = securePath($ConvertTemp.$DirSep.$SesHash, $DangerousFiles, FALSE);
$ConvertTempDir = securePath($convertTempDir0.$DirSep.$SesHash2.$DirSep, $DangerousFiles, FALSE);
$RequiredDirs = array($convertDir0, $ConvertDir, $ConvertTemp, $convertTempDir0, $ConvertTempDir);
$RequiredIndexes = array($ConvertTemp, $convertTempDir0, $ConvertTempDir);
// / A/V related variables.
$UserClamLogFileName = 'User_ClamScan_Virus_Scan_Report.txt';
$UserClamLogFile = $ConvertDir.$UserClamLogFileName;
$UserScanCoreFileName = 'User_ScanCore_Virus_Scan_Report.txt';
$UserScanCoreLogFile = $ConvertDir.$UserScanCoreFileName;
$ConsolidatedLogFileName = 'User_Consolidated_Virus_Scan_Report.txt';
$ConsolidatedLogFile = $ConvertTempDir.$ConsolidatedLogFileName;
// / Format related variables.
$ArchiveArray = array('zip', 'rar', 'tar', 'bz', 'gz', 'bz2', '7z', 'iso', 'vhd', 'vdi', 'tar.bz2', 'tar.gz');
$DearchiveArray = array('zip', 'rar', 'tar', 'bz', 'gz', 'bz2', '7z', 'iso', 'vhd', 'vdi', 'tar.bz2', 'tar.gz');
$DocumentArray = array('txt', 'doc', 'docx', 'rtf', 'xls', 'xlsx', 'odt', 'ods', 'pptx', 'ppt', 'xps', 'potx', 'potm', 'pot', 'ppa', 'odp');
$SpreadsheetArray = array('csv', 'xls', 'xlsx', 'ods');
$PresentationArray = array('pages', 'pptx', 'ppt', 'xps', 'potx', 'potm', 'pot', 'ppa', 'odp');
$ImageArray = array('jpeg', 'jpg', 'png', 'bmp', 'gif', 'webp', 'cin', 'dds', 'dib', 'flif', 'avif', 'gplt', 'sct', 'xcf', 'heic', 'ico');
$MediaArray = array('mp3', 'aac', 'oog', 'wma', 'mp2', 'flac', 'm4a', 'm4p');
$VideoArray = array('3gp', 'mkv', 'avi', 'mp4', 'flv', 'mpeg', 'wmv', 'mov', 'm4v');
$SubtitleArray = array('vtt', 'ssa', 'ass', 'srt', 'dvb');
$StreamArray = array('m3u8');
$DrawingArray = array('svg', 'dxf', 'vdx', 'fig', 'dia', 'wpg');
$ModelArray = array('3ds', 'obj', 'collada', 'off', 'ply', 'stl', 'gts', 'dxf', 'u3d', 'vrml', 'x3d');
$PDFWorkArr = array('pdf', 'jpg', 'jpeg', 'png', 'bmp', 'webp', 'gif');
$Allowed = array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge(array_merge($ArchiveArray, $DearchiveArray), $DocumentArray), $SpreadsheetArray), $PresentationArray), $ImageArray), $MediaArray), $VideoArray), $SubtitleArray), $StreamArray), $DrawingArray), $ModelArray), $PDFWorkArr);
$ConvertArray = $Allowed;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$convertDir0 = $convertTempDir0 = $subDir = $partURL = NULL;
unset($convertDir0, $convertTempDir0, $subDir, $partURL);
return array($GlobalsAreVerified, $CoreLoaded); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to sanitize & verifies an array of files.
function getFiles($pathToFiles) {
// / Set variables.
global $DangerousFiles, $DirSep, $PathExt;
$Files = $dirtyFileArr = array();
if (is_dir($pathToFiles)) $dirtyFileArr = @scandir($pathToFiles);
// / Iterate through each detected file & make sure it's not dangerous before adding it to the output array.
foreach ($dirtyFileArr as $dirtyFile) {
$dirtyExt = pathinfo($pathToFiles.$DirSep.$dirtyFile, $PathExt);
// / Make sure the file is safe to handle.
if (in_array(strtolower($dirtyExt), $DangerousFiles) or is_dir($pathToFiles.$DirSep.$dirtyFile)) continue;
array_push($Files, $dirtyFile); }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$dirtyFile = $pathToFiles = $dirtyFileArr = NULL;
unset($dirtyFile, $pathToFiles, $dirtyFileArr);
return $Files; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to return the extension to a specified file.
function getExtension($pathToFile) {
// / Set variables.
global $PathExt;
$Pathinfo = pathinfo($pathToFile, $PathExt);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$pathToFile = NULL;
unset($pathToFile);
return $Pathinfo; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to return the filesize of a specified file.
function getFilesize($File) {
// / Set variables.
$Size = @filesize($File);
// / Determine the most efficient unit of measure to represent the specified value in.
if ($Size < 1024) $Size = $Size." Bytes";
elseif (($Size < 1048576) && ($Size > 1023)) $Size = round($Size / 1024, 1)." KB";
elseif (($Size < 1073741824) && ($Size > 1048575)) $Size = round($Size / 1048576, 1)." MB";
else $Size = round($Size/1073741824, 1)." GB";
return $Size; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to return the file time of a specified symlink.
function symlinkmtime($symlinkPath) {
// / Set variables.
$Stat = @lstat($symlinkPath);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$symlinkPath = NULL;
unset($symlinkPath);
return isset($Stat['mtime']) ? $Stat['mtime'] : NULL; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to return the file time of a specified file.
// / Only returns a value if the specified file exists.
function fileTime($filePath) {
if (file_exists($filePath)) $Stat = @filemtime($filePath);
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$filePath = NULL;
unset($filePath);
return $Stat; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to test if a folder is empty.
// / Returns TRUE when a folder is empty.
// / Returns FALSE when a folder is not empty.
function is_dir_empty($dir) {
// / Set variables.
$Check = TRUE;
// / Make sure the selected directory is actually a directory.
if (is_dir($dir)) {
// / Gather the contents of the directory.
$contents = scandir($dir);
// / Iterate through the contents of the directory & break once any valid file is found.
foreach ($contents as $content) if ($content == '.' or $content == '..') $Check = FALSE; }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$dir = $contents = $content = NULL;
unset($dir, $contents, $content);
return $Check; }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to scan an input file or folder for viruses with ClamAV.
function virusScan($path) {
// / Set variables.
global $Verbose, $ClamLogFile, $AllowUserVirusScan, $Lol, $Lolol, $ApplicationName;
$ScanComplete = TRUE;
$VirusFound = FALSE;
$returnData = '';
$returnData = shell_exec(str_replace(' ', ' ', str_replace(' ', ' ', 'clamscan -r '.$path.' | grep FOUND >> '.$ClamLogFile)));
$clamLogFileDATA = @file_get_contents($ClamLogFile);
// / Check if ClamAV found an infection in the specified file.
if (strpos($clamLogFileDATA, 'Virus Detected') !== FALSE or strpos($clamLogFileDATA, 'FOUND') !== FALSE) {
$ScanComplete = $virusFound = TRUE;
// / If the specified file exists, is infected, is not a directory, & $AllowUserVirusScan is set to FALSE then delete the infected file.
if (file_exists($path)) if (is_file($path) && !is_dir($path) && !$AllowUserVirusScan) @unlink($path);
errorEntry('There were potentially infected files detected at '.$path.'!', 500, FALSE);
errorEntry('ClamAV output the following: '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))), 501, TRUE); }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $clamLogFileDATA = $path = NULL;
unset($returnData, $clamLogFileDATA, $path);
return array($ScanComplete, $VirusFound); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to create required directories if they do not exist.
function verifyRequiredDirs() {
// / Set variables.
global $ConvertLoc, $RequiredDirs, $RequiredIndexes, $Time, $LogFile, $Verbose, $PermissionLevels;
$RequiredDirsExist = FALSE;
// / If the $ConvertLoc does not exist we stop execution rather than create one.
if (!is_dir($ConvertLoc)) errorEntry('The specified Data Storage Directory does not exist at '.$ConvertLoc.'!', 1000, TRUE);
// / Iterate through the array of required directories.
foreach ($RequiredDirs as $requiredDir) {
// / Check that the currently selected directory exists.
if (!is_dir($requiredDir)) {
if ($Verbose) logEntry('Created a directory at '.$requiredDir.'.');
// / Try to create the currently selected directory.
@mkdir($requiredDir, $PermissionLevels); }
// / Re-check to see if our attempt to create the directory was successful & log the result.
if (is_dir($requiredDir)) $RequiredDirsExist = TRUE;
else errorEntry('Could not create a directory at '.$requiredDir.'!', 1001, TRUE); }
// / Make sure that each required directory has an index.html file for document root protection.
foreach ($RequiredIndexes as $requiredIndex) @copy('index.html', $requiredIndex.'/index.html');
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$requiredDir = $requiredIndex = $MAKELogFile = NULL;
unset($requiredDir, $requiredIndex, $MAKELogFile);
return array($RequiredDirsExist, $RequiredDirs); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to clean a selection of files.
// / Recursively deletes files.
// / This function is extremely dangerous! Please handle with care.
function cleanFiles($path) {
// / Set variables.
global $ConvertLoc, $ConvertTemp, $DefaultApps, $DirSep;
$variableIsSanitized = $i = $f = $path = FALSE;
list ($path, $variableIsSanitized) = sanitize($path, FALSE);
// / Make sure the selected directory is actually a directory.
if ($variableIsSanitized && is_dir($path)) {
$i = scandir($path);
// / Iterate through each file object in the directory.
foreach ($i as $f) {
// / If the selected file object is a file, delete it.
if (is_file($path.$DirSep.$f) && !in_array(basename($path.$DirSep.$f), $DefaultApps)) @unlink($path.$DirSep.$f);
// / If the selected file object is a directory, try to delete it.
if (is_dir($path.$DirSep.$f) && !in_array(basename($path.$DirSep.$f), $DefaultApps) && is_dir_empty($path)) @rmdir($path.$DirSep.$f);
// / If the selected file object is a directory that still exists, run this function on it to remove any file objects it contains.
if (is_dir($path.$DirSep.$f) && !in_array(basename($path.$DirSep.$f), $DefaultApps) && !is_dir_empty($path)) cleanFiles($path.$DirSep.$f); }
// / Once all file objects in the selected directory have been deleted, attempt to delete the selected directory.
if ($path !== $ConvertLoc && $path !== $ConvertTemp) @rmdir($path); }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$path = $i = $f = $variableIsSanitized = NULL;
unset($path, $i, $f, $variableIsSanitized); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to clean up old files in the $TempLoc.
function cleanTempLoc() {
// / Set variables.
global $ConvertTemp, $DeleteThreshold, $DefaultApps, $DirSep, $PermissionLevels;
$CleanedTempLoc = $TempLocDeepCleaned = FALSE;
// / Make sure the directory to be scanned exists.
if (file_exists($ConvertTemp)) {
$CleanedTempLoc = TRUE;
$dFiles = array_diff(scandir($ConvertTemp), array('..', '.'));
$now = time();
// / Iterate through each subfolder in the directory.
foreach ($dFiles as $dFile) {
// / Validate the folder.
if (in_array($dFile, $DefaultApps)) continue;
$dFilePath = $ConvertTemp.$DirSep.$dFile;
if ($dFilePath == $ConvertTemp.'/index.html') continue;
// / See if the folder is due for deletion.
if ($now - fileTime($dFilePath) > ($DeleteThreshold * 60)) {
// / If the file is due to be deleted, recursively delete it.
if (is_dir($dFilePath)) {
$TempLocDeepCleaned = TRUE;
@chmod ($dFilePath, $PermissionLevels);
cleanFiles($dFilePath);
if (is_dir_empty($dFilePath)) @rmdir($dFilePath); } } } }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$dFiles = $dFile = $dFilePath = $now = NULL;
unset($dFiles, $dFile, $dFilePath, $now);
return array($CleanedTempLoc, $TempLocDeepCleaned); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to clean up old files in the $ConvertLoc.
function cleanConvertLoc() {
// / Set variables.
global $ConvertLoc, $DeleteThreshold, $DefaultApps, $DirSep, $PermissionLevels;
$CleanedConvertLoc = $ConvertLocDeepCleaned = FALSE;
// / Make sure the directory to be scanned exists.
if (file_exists($ConvertLoc)) {
$CleanedConvertLoc = TRUE;
$dFiles = array_diff(scandir($ConvertLoc), array('..', '.'));
$now = time();
// / Iterate through each subfolder in the directory.
foreach ($dFiles as $dFile) {
// / Validate the folder.
if (in_array($dFile, $DefaultApps)) continue;
$dFilePath = $ConvertLoc.$DirSep.$dFile;
// / See if the folder is due for deletion.
if ($now - fileTime($dFilePath) > ($DeleteThreshold * 60)) {
// / If the file is due to be deleted, recursively delete it.
if (is_dir($dFilePath)) {
$ConvertLocDeepCleaned = TRUE;
@chmod ($dFilePath, $PermissionLevels);
cleanFiles($dFilePath);
if (is_dir_empty($dFilePath)) @rmdir($dFilePath); } } } }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$dFiles = $dFile = $dFilePath = $now = NULL;
unset($dFiles, $dFile, $dFilePath, $now);
return array($CleanedConvertLoc, $ConvertLocDeepCleaned); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to verify that the document conversion engine is installed & running.
function verifyDocumentConversionEngine() {
// / Set variables.
global $Verbose, $Lol, $Lolol;
$DocEnginePID = 0;
$DocumentEngineStarted = FALSE;
$returnData = '';
// / Determine if the document conversion engine (Unoconv) is installed.
if (!file_exists('/usr/bin/unoconv')) errorEntry('Could not verify the document conversion engine installation at /usr/bin/unoconv!', 2000, TRUE);
if (file_exists('/usr/bin/unoconv')) {
if ($Verbose) logEntry('Verified the document conversion engine installation.');
$DocEnginePID = shell_exec('pgrep soffice.bin');
if ($Verbose) logEntry('The document conversion engine PID is: '.str_replace($Lol, '', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($DocEnginePID)))));
// / Determine if the document conversion engine is already running.
if ($DocEnginePID === 0 && $DocEnginePID === '' && $DocEnginePID === NULL && !$DocEnginePID) {
// / Try to start the document conversion engine.
if ($Verbose)logEntry('Starting the document conversion engine.');
$returnData = shell_exec('/usr/bin/unoconv -l &');
if ($Verbose && trim($returnData) !== '') logEntry('The document conversion engine PID is: '.str_replace($Lol, '', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($DocEnginePID))))); } }
$DocumentEnginePID = trim($DocEnginePID);
// / Write the document engine PID to the log file.
if ($DocEnginePID !== 0 && $DocEnginePID !== '' && $DocEnginePID !== NULL) {
$DocumentEngineStarted = TRUE;
if ($Verbose) logEntry('The document conversion engine is running.'); }
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = NULL;
unset($returnData);
return array($DocumentEngineStarted, $DocEnginePID); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert document formats.
function convertDocuments($pathname, $newPathname, $extension) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
// / The following code verifies that the document conversion engine is installed & running.
list ($documentEngineStarted, $documentEnginePID) = verifyDocumentConversionEngine();
if (!$documentEngineStarted) {
$ConversionErrors = TRUE;
errorEntry('Could not verify the document conversion engine!', 7000, FALSE); }
else if ($Verbose) logEntry('Verified the document conversion engine.');
// / The following code performs the actual document conversion.
if ($documentEngineStarted) {
if ($Verbose) logEntry('Converting document.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('unoconv -o '.$newPathname.' -f '.$extension.' '.$pathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The document converter timed out!', 7001, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Unoconv returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData))))); }
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$stopper = $pathname = $newPathname = $extension = $returnData = $documentEngineStarted = $documentEnginePID = $sleepTime = NULL;
unset($stopper, $pathname, $newPathname, $extension, $returnData, $documentEngineStarted, $documentEnginePID, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert image formats.
function convertImages($pathname, $newPathname, $height, $width, $rotate) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = $imgMethod = FALSE;
$returnData = $wh = '';
$stopper = $whx = 0;
$sleepTime = $SleepTimer;
// / Validate the height, width, & rotate arguments.
if (!is_numeric($height) or $height === FALSE) $height = 0;
if (!is_numeric($width) or $width === FALSE) $width = 0;
if (!is_numeric($rotate) or $rotate === FALSE) '-rotate '.$rotate;
$wxh = $width.'x'.$height;
if ($wxh == '0x0' or $wxh =='x0' or $wxh == '0x' or $wxh == '0' or $wxh == '00' or $wxh == '' or $wxh == ' ') $wh = '';
else $wh = '-resize '.$wxh.' ';
if ($Verbose) logEntry('Converting image.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('convert -background none '.$wh.$rotate.' '.$pathname.' '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The image converter timed out!', 8000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('ImageMagick returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $height = $width = $extension = $wxh = $rotate = $imgMethod = $wh = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $height, $width, $extension, $wxh, $rotate, $imgMethod, $wh, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert 3D model formats.
function convertModels($pathname, $newPathname) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
if ($Verbose) logEntry('Converting model.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('meshlabserver -i '.$pathname.' -o '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The model converter timed out!', 9000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Meshlab returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = NULL;
unset($returnData, $stopper, $pathname, $newPathname);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert 2D vector drawing formats.
function convertDrawings($pathname, $newPathname) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
if ($Verbose) logEntry('Converting drawing.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('dia '.$pathname.' -e '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The drawing converter timed out!', 10000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Dia returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert video formats.
function convertVideos($pathname, $newPathname) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
if ($Verbose) logEntry('Converting video.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('ffmpeg -i '.$pathname.' -c:v libx264 '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The video converter timed out!', 11000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Ffmpeg returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert subtitle formats.
function convertSubtitles($pathname, $newPathname) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
if ($Verbose) logEntry('Converting subtitle.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('ffmpeg -i '.$pathname.' '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The subtitle converter timed out!', 22000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Ffmpeg returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert stream formats.
function convertStreams($pathname, $newPathname) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
if ($Verbose) logEntry('Converting stream.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('ffmpeg -protocol_whitelist file,http,https,tcp,tls,crypto -i '.$pathname.' -c copy '.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The stream converter timed out!', 21000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Ffmpeg returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert audio formats.
function convertAudio($pathname, $newPathname, $extension, $bitrate) {
// / Set variables.
global $Verbose, $Lol, $Lolol, $StopCounter, $SleepTimer;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$stopper = 0;
$sleepTime = $SleepTimer;
$ext = ' -f ' .$extension;
// / Determine if the bitrate is being set.
if (!is_numeric($bitrate) or $bitrate === FALSE) $bitrate = 'auto';
if ($bitrate = 'auto') $br = ' ';
elseif ($bitrate != 'auto' ) $br = (' -ab ' . $bitrate . ' ');
$ConversionSuccess = $ConversionErrors = FALSE;
if ($Verbose) logEntry('Converting audio.');
// / This code will attempt the conversion up to $StopCounter number of times.
while (!file_exists($newPathname) && $stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('ffmpeg -y -i '.$pathname.$ext.$br.$newPathname);
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the conversion after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The video converter timed out!', 12000, FALSE); } }
if ($Verbose && trim($returnData) !== '') logEntry('Ffmpeg returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if (file_exists($newPathname)) $ConversionSuccess = TRUE;
// / Manually clean up sensitive memory. Helps to keep track of variable assignments.
$returnData = $stopper = $pathname = $newPathname = $ext = $extension = $sleepTime = NULL;
unset($returnData, $stopper, $pathname, $newPathname, $ext, $extension, $sleepTime);
return array($ConversionSuccess, $ConversionErrors); }
// / -----------------------------------------------------------------------------------
// / -----------------------------------------------------------------------------------
// / A function to convert archive & disk image formats.
function convertArchives($pathname, $newPathname, $extension) {
// / Set variables.
global $Verbose, $ConvertDir, $Lol, $Lolol, $StopCounter, $SleepTimer, $PathExt, $PermissionLevels;
$ConversionSuccess = $ConversionErrors = FALSE;
$returnData = '';
$filename = pathinfo($pathname, PATHINFO_FILENAME);
$safedir2 = $ConvertDir.$filename;
$safedir3 = $safedir2.'.7z';
$safedir4 = $safedir2.'.zip';
$array7zo = array('7z');
$arrayzipo = array('zip');
$array7zo2 = array('vhd', 'vdi', 'iso');
$arraytaro = array('tar.gz', 'tar.bz2', 'tar');
$arrayraro = array('rar');
$stopper = 0;
$sleepTime = $SleepTimer;
$oldExtension = pathinfo($pathname, $PathExt);
// / Create a folder to contain extracted files.
@mkdir($safedir2, $PermissionLevels);
if (!is_dir($safedir2)) $ConversionErrors = TRUE;
// / Check if output files already exist & delete them if they do.
if (file_exists($safedir3)) @unlink($safedir3);
if (file_exists($safedir4)) @unlink($safedir4);
if ($Verbose) logEntry('Extracting file '.$pathname,' to '.$safedir2.'.');
// / Code to Extract the selected archive.
// / Currently only 7z is used, but this code exists to give flexibility.
// / At one time I tried using zip for zip, rar for rar, ect.
// / I determined that 7z was the most reliable in all cases.
// / However that may some day change, so the code exists to allow future granularity.
if (in_array(strtolower($oldExtension), $arrayzipo)) $returnData = shell_exec('7z x -aoa '.$pathname.' -o'.$safedir2);
if (in_array(strtolower($oldExtension), $array7zo)) $returnData = shell_exec('7z x -aoa '.$pathname.' -o'.$safedir2);
if (in_array(strtolower($oldExtension), $array7zo2)) $returnData = shell_exec('7z x -y '.$pathname.' -o'.$safedir2);
if (in_array(strtolower($oldExtension), $arrayraro)) $returnData = shell_exec('7z x -aoa '.$pathname.' -o'.$safedir2);
if (in_array(strtolower($oldExtension), $arraytaro)) $returnData = shell_exec('7z x -aoa '.$pathname.' -o'.$safedir2);
if ($Verbose) logEntry('The extractor returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
if ($Verbose) logEntry('Archiving file '.$safedir2.' to '.$newPathname.'.');
// / Code to rearchive archive files using 7z.
if (in_array($extension, $array7zo)) {
// / This code will attempt the archive operation up to $StopCounter number of times.
while ($stopper <= $StopCounter) {
// / If the last conversion attempt failed, wait a moment before trying again.
if ($stopper !== 0) sleep($sleepTime++);
// / Attempt the conversion.
$returnData = shell_exec('7z a -t'.$extension.' '.$newPathname.' '.$safedir2);
if ($Verbose && trim($returnData) !== '') logEntry('The archiver returned the following: '.$Lol.' '.str_replace($Lol, $Lol.' ', str_replace($Lolol, $Lol, str_replace($Lolol, $Lol, trim($returnData)))));
// / Count the number of conversions to avoid infinite loops.
$stopper++;
// / Stop attempting the archive operation after $StopCounter number of attempts.
if ($stopper === $StopCounter) {
$ConversionErrors = TRUE;
errorEntry('The archiver timed out!', 13001, FALSE); } } }