* @author Julio Montoya * @license GNU/GPL */ /** * Defines the "OpenofficeDocument" child of class "learnpath" */ abstract class OpenofficeDocument extends learnpath { public $first_item = 0; public $original_charset = 'utf-8'; public $original_locale = 'en_US.UTF-8'; public $slide_width; public $slide_height; /** * Class constructor. Based on the parent constructor. * @param string Course code * @param integer Learnpath ID in DB * @param integer User ID */ public function __construct($course_code = null, $resource_id = null, $user_id = null) { if ($this->debug > 0) { error_log('In OpenofficeDocument::OpenofficeDocument()', 0); } if (!empty($course_code) && !empty($resource_id) && !empty($user_id)) { parent::__construct($course_code, $resource_id, $user_id); } } /** * Calls the LibreOffice server to convert the PPTs to a set of HTML + png files in a learning path * @param string $file * @param string $action_after_conversion * @param string $size The size to which we want the slides to be generated * @return bool|int */ public function convert_document($file, $action_after_conversion = 'make_lp', $size = null) { $_course = api_get_course_info(); $this->file_name = pathinfo($file['name'], PATHINFO_FILENAME); // Create the directory $result = $this->generate_lp_folder($_course, $this->file_name); // Create the directory $this->base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'; ///learning_path/ppt_dirname directory $this->created_dir = $result['dir']; if (substr($this->created_dir, -1, 1) == '/') { $this->file_path = $this->created_dir.api_replace_dangerous_char($file['name']); } else { $this->file_path = $this->created_dir.'/'.api_replace_dangerous_char($file['name']); } //var_dump($this->file_name, $this->file_path, $this->base_work_dir, $this->created_dir); /* * Original code global $_course, $_user, $_configuration; $this->file_name = (strrpos($file['name'], '.') > 0 ? substr($file['name'], 0, strrpos($file['name'], '.')) : $file['name']); $this->file_name = api_replace_dangerous_char($this->file_name, 'strict'); $this->file_name = strtolower($this->file_name); $visio_dir = ($action_after_conversion == 'add_docs_to_visio') ? VIDEOCONF_UPLOAD_PATH : ''; $this->file_path = $visio_dir.'/'.$this->file_name.'.'.pathinfo($file['name'], PATHINFO_EXTENSION); $dir_name = $visio_dir.'/'.$this->file_name; // Create the directory. $this->base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'; $this->created_dir = create_unexisting_directory($_course, $_user['user_id'], api_get_session_id(), 0, 0, $this->base_work_dir, $dir_name); var_dump($this->file_name, $this->file_path, $this->base_work_dir, $this->created_dir); */ if (!empty($size)) { list($w, $h) = explode('x', $size); if (!empty($w) && !empty($h)) { $this->slide_width = $w; $this->slide_height = $h; } } $ppt2lp_host = api_get_setting('service_ppt2lp', 'host'); if ($ppt2lp_host == 'localhost') { move_uploaded_file($file['tmp_name'], $this->base_work_dir.'/'.$this->file_path); //var_dump( $this->base_work_dir.$this->created_dir.$this->file_path); $perm = api_get_setting('permissions_for_new_files'); if (IS_WINDOWS_OS) { // IS_WINDOWS_OS has been defined in main_api.lib.php $converter_path = str_replace('/', '\\', api_get_path(SYS_PATH).'main/inc/lib/ppt2png'); $class_path = $converter_path.';'.$converter_path.'/jodconverter-2.2.2.jar;'.$converter_path.'/jodconverter-cli-2.2.2.jar'; //$cmd = 'java -cp "'.$class_path.'" DokeosConverter'; $cmd = 'java -Dfile.encoding=UTF-8 -cp "'.$class_path.'" DokeosConverter'; } else { $converter_path = api_get_path(SYS_PATH).'main/inc/lib/ppt2png'; //$class_path = '-cp .:jodconverter-2.2.1.jar:jodconverter-cli-2.2.1.jar'; $class_path = ' -Dfile.encoding=UTF-8 -cp .:jodconverter-2.2.2.jar:jodconverter-cli-2.2.2.jar'; $cmd = 'cd '.$converter_path.' && java '.$class_path.' DokeosConverter'; } $cmd .= ' -p '.api_get_setting('service_ppt2lp', 'port'); // Call to the function implemented by child. $cmd .= $this->add_command_parameters(); // To allow openoffice to manipulate docs. @chmod($this->base_work_dir, 0777); @chmod($this->base_work_dir.$this->created_dir, 0777); @chmod($this->base_work_dir.$this->file_path, 0777); $locale = $this->original_locale; // TODO: Improve it because we're not sure this locale is present everywhere. putenv('LC_ALL='.$locale); $files = array(); $return = 0; $shell = exec($cmd, $files, $return); if ($return != 0) { // If the java application returns an error code. switch ($return) { case 1: // Can't connect to openoffice. $this->error = get_lang('CannotConnectToOpenOffice'); break; case 2: // Conversion failed in openoffice. $this->error = get_lang('OogieConversionFailed'); break; case 255: // Conversion can't be launch because command failed. $this->error = get_lang('OogieUnknownError'); break; } DocumentManager::delete_document($_course, $this->created_dir, $this->base_work_dir); return false; } } else { // get result from webservices $result = $this->_get_remote_ppt2lp_files($file, $size); $result = unserialize($result); // Save remote images to server chmod($this->base_work_dir.$this->created_dir, api_get_permissions_for_new_directories()); if (!empty($result['images'])) { foreach ($result['images'] as $image => $img_data) { $image_path = $this->base_work_dir.$this->created_dir; @file_put_contents($image_path.'/'.$image, base64_decode($img_data)); @chmod($image_path.'/'.$image, 0777); } } // files info $files = $result['files']; } if (!empty($files)) { // Create lp $this->lp_id = learnpath::add_lp($_course['id'], $this->file_name, '', 'guess', 'manual'); // make sure we have a course code available for later $this->cc = $_course['id']; $this->course_info = $_course; // Call to the function implemented by child following action_after_conversion parameter. switch ($action_after_conversion) { case 'make_lp': $this->make_lp($files); break; case 'add_docs_to_visio': $this->add_docs_to_visio($files); break; } chmod($this->base_work_dir, api_get_permissions_for_new_directories()); } return $this->first_item; } /** * Get images files from remote host (with webservices) * @param array $file current ppt file details * @param string $size The expected final size of the rendered slides * @return array images files */ private function _get_remote_ppt2lp_files($file, $size = null) { // host $ppt2lp_host = api_get_setting('service_ppt2lp', 'host'); // SOAP URI (just the host) $matches = array(); $uri = ''; $result = preg_match('/^([a-zA-Z0-9]*):\/\/([^\/]*)\//', $ppt2lp_host, $matches); if ($result) { $uri = $matches[1].'://'.$matches[2].'/'; } else { $uri = $ppt2lp_host; } // secret key $secret_key = sha1(api_get_setting('service_ppt2lp', 'ftp_password')); // client $options = array( 'location' => $ppt2lp_host, 'uri' => $uri, 'trace' => 1, 'exceptions' => true, 'cache_wsdl' => WSDL_CACHE_NONE, 'keep_alive' => false, 'features' => SOAP_SINGLE_ELEMENT_ARRAYS, 'compression' => SOAP_COMPRESSION_ACCEPT | SOAP_COMPRESSION_GZIP | 9, ); if (substr($ppt2lp_host, 0, 5) === 'https') { $options['ssl_method'] = SOAP_SSL_METHOD_TLS; // If using SSL, please note that *not* supporting the SSLv2 // (broken in terms of security), the server tends to generate // the following issue: // SoapClient::__doRequest(): SSL: Connection reset by peer } $client = new SoapClient(null, $options); $result = ''; $file_data = base64_encode(file_get_contents($file['tmp_name'])); $file_name = $file['name']; if (empty($size)) { $size = api_get_setting('service_ppt2lp', 'size'); } $params = array( 'secret_key' => $secret_key, 'file_data' => $file_data, 'file_name' => $file_name, 'service_ppt2lp_size' => $size, ); try { //error_log('['.time().'] Calling wsConvertPpt webservice on ' . $ppt2lp_host); $result = $client->__call('wsConvertPpt', array('pptData' => $params)); } catch (Exception $e) { error_log('['.time().'] Chamilo SOAP call error: '.$e->getMessage()); } // Make sure we destroy the SOAP client as it may generate SSL connection // binding issue (if using SSL) unset($client); return $result; } abstract function make_lp(); abstract function add_docs_to_visio(); abstract function add_command_parameters(); /** * Used to convert copied from document * @param string $originalPath * @param string $convertedPath * @param string $convertedTitle * @return bool */ function convertCopyDocument($originalPath, $convertedPath, $convertedTitle) { $_course = api_get_course_info(); $ids = array(); $originalPathInfo = pathinfo($originalPath); $convertedPathInfo = pathinfo($convertedPath); $this->base_work_dir = $originalPathInfo['dirname']; $this->file_path = $originalPathInfo['basename']; $this->created_dir = $convertedPathInfo['basename']; $ppt2lpHost = api_get_setting('service_ppt2lp', 'host'); $permissionFile = api_get_permissions_for_new_files(); $permissionFolder = api_get_permissions_for_new_directories(); if (file_exists($this->base_work_dir.'/'.$this->created_dir)) { return $ids; } if ($ppt2lpHost == 'localhost') { if (IS_WINDOWS_OS) { // IS_WINDOWS_OS has been defined in main_api.lib.php $converterPath = str_replace('/', '\\', api_get_path(SYS_PATH).'main/inc/lib/ppt2png'); $classPath = $converterPath.';'.$converterPath.'/jodconverter-2.2.2.jar;'.$converterPath.'/jodconverter-cli-2.2.2.jar'; $cmd = 'java -Dfile.encoding=UTF-8 -jar "'.$classPath.'/jodconverter-2.2.2.jar"'; } else { $converterPath = api_get_path(SYS_PATH).'main/inc/lib/ppt2png'; $classPath = ' -Dfile.encoding=UTF-8 -jar jodconverter-cli-2.2.2.jar'; $cmd = 'cd '.$converterPath.' && java '.$classPath.' '; } $cmd .= ' -p '.api_get_setting('service_ppt2lp', 'port'); // Call to the function implemented by child. $cmd .= ' "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.'/'.$this->created_dir.'"'; // To allow openoffice to manipulate docs. @chmod($this->base_work_dir, $permissionFolder); @chmod($this->base_work_dir.'/'.$this->file_path, $permissionFile); $locale = $this->original_locale; // TODO: Improve it because we're not sure this locale is present everywhere. putenv('LC_ALL='.$locale); $files = array(); $return = 0; $shell = exec($cmd, $files, $return); // TODO: Chown is not working, root keep user privileges, should be www-data @chown($this->base_work_dir.'/'.$this->created_dir, 'www-data'); @chmod($this->base_work_dir.'/'.$this->created_dir, $permissionFile); if ($return != 0) { // If the java application returns an error code. switch ($return) { case 1: // Can't connect to openoffice. $this->error = get_lang('CannotConnectToOpenOffice'); break; case 2: // Conversion failed in openoffice. $this->error = get_lang('OogieConversionFailed'); break; case 255: // Conversion can't be launch because command failed. $this->error = get_lang('OogieUnknownError'); break; } DocumentManager::delete_document($_course, $this->created_dir, $this->base_work_dir); return false; } } else { /* * @TODO Create method to use webservice // get result from webservices $result = $this->_get_remote_ppt2lp_files($file); $result = unserialize(base64_decode($result)); // Save remote images to server chmod($this->base_work_dir.$this->created_dir, api_get_permissions_for_new_directories()); if (!empty($result['images'])) { foreach ($result['images'] as $image => $img_data) { $image_path = $this->base_work_dir.$this->created_dir; @file_put_contents($image_path . '/' . $image, base64_decode($img_data)); @chmod($image_path . '/' . $image, 0777); } } // files info $files = $result['files']; */ } if (file_exists($this->base_work_dir.'/'.$this->created_dir)) { // Register Files to Document tool $ids[] = add_document( $_course, '/'.$this->created_dir, 'file', filesize($this->base_work_dir.'/'.$this->created_dir), $convertedTitle, sprintf( get_lang('FileConvertedFromXToY'), strtoupper($originalPathInfo['extension']), strtoupper($convertedPathInfo['extension']) ), 0, true, null, api_get_session_id() ); chmod($this->base_work_dir, $permissionFolder); } return $ids; } }