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330 lines
14 KiB
330 lines
14 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Defines the OpenofficeDocument class, which is meant as a mother class
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* to help in the conversion of Office documents to learning paths
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* @package chamilo.learnpath
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* @author Eric Marguin <eric.marguin@dokeos.com>
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* @author Julio Montoya
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* @license GNU/GPL
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*/
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/**
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* Defines the "OpenofficeDocument" child of class "learnpath"
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*/
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abstract class OpenofficeDocument extends learnpath
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{
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public $first_item = 0;
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public $original_charset = 'utf-8';
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public $original_locale = 'en_US.UTF-8';
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/**
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* Class constructor. Based on the parent constructor.
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* @param string Course code
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* @param integer Learnpath ID in DB
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* @param integer User ID
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*/
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public function __construct($course_code = null, $resource_id = null, $user_id = null)
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{
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if ($this->debug > 0) {
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error_log('In OpenofficeDocument::OpenofficeDocument()', 0);
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}
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if (!empty($course_code) && !empty($resource_id) && !empty($user_id)) {
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parent::__construct($course_code, $resource_id, $user_id);
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}
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}
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/**
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* @param string $file
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* @param string $action_after_conversion
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* @return bool|int
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*/
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public function convert_document($file, $action_after_conversion = 'make_lp')
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{
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$_course = api_get_course_info();
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$this->file_name = pathinfo($file['name'], PATHINFO_FILENAME);
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// Create the directory
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$result = $this->generate_lp_folder($_course, $this->file_name);
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// Create the directory
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$this->base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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///learning_path/ppt_dirname directory
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$this->created_dir = substr($result['dir'], 0, strlen($result['dir']) -1);
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$this->file_path = $this->created_dir.'/'.api_replace_dangerous_char($file['name']);
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//var_dump($this->file_name, $this->file_path, $this->base_work_dir, $this->created_dir);
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/*
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* Original code
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global $_course, $_user, $_configuration;
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$this->file_name = (strrpos($file['name'], '.') > 0 ? substr($file['name'], 0, strrpos($file['name'], '.')) : $file['name']);
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$this->file_name = api_replace_dangerous_char($this->file_name, 'strict');
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$this->file_name = strtolower($this->file_name);
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$visio_dir = ($action_after_conversion == 'add_docs_to_visio') ? VIDEOCONF_UPLOAD_PATH : '';
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$this->file_path = $visio_dir.'/'.$this->file_name.'.'.pathinfo($file['name'], PATHINFO_EXTENSION);
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$dir_name = $visio_dir.'/'.$this->file_name;
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// Create the directory.
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$this->base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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$this->created_dir = create_unexisting_directory($_course, $_user['user_id'], api_get_session_id(), 0, 0, $this->base_work_dir, $dir_name);
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var_dump($this->file_name, $this->file_path, $this->base_work_dir, $this->created_dir);
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*/
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$ppt2lp_host = api_get_setting('service_ppt2lp', 'host');
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if ($ppt2lp_host == 'localhost') {
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move_uploaded_file($file['tmp_name'], $this->base_work_dir.'/'.$this->file_path);
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//var_dump( $this->base_work_dir.$this->created_dir.$this->file_path);
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$perm = api_get_setting('permissions_for_new_files');
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if (IS_WINDOWS_OS) { // IS_WINDOWS_OS has been defined in main_api.lib.php
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$converter_path = str_replace('/', '\\', api_get_path(SYS_PATH) . 'main/inc/lib/ppt2png');
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$class_path = $converter_path . ';' . $converter_path . '/jodconverter-2.2.2.jar;' . $converter_path . '/jodconverter-cli-2.2.2.jar';
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//$cmd = 'java -cp "'.$class_path.'" DokeosConverter';
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$cmd = 'java -Dfile.encoding=UTF-8 -cp "' . $class_path . '" DokeosConverter';
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} else {
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$converter_path = api_get_path(SYS_PATH) . 'main/inc/lib/ppt2png';
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//$class_path = '-cp .:jodconverter-2.2.1.jar:jodconverter-cli-2.2.1.jar';
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$class_path = ' -Dfile.encoding=UTF-8 -cp .:jodconverter-2.2.2.jar:jodconverter-cli-2.2.2.jar';
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$cmd = 'cd ' . $converter_path . ' && java ' . $class_path . ' DokeosConverter';
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}
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$cmd .= ' -p ' . api_get_setting('service_ppt2lp', 'port');
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// Call to the function implemented by child.
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$cmd .= $this->add_command_parameters();
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// To allow openoffice to manipulate docs.
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@chmod($this->base_work_dir, 0777);
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@chmod($this->base_work_dir.$this->created_dir, 0777);
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@chmod($this->base_work_dir.$this->file_path, 0777);
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$locale = $this->original_locale; // TODO: Improve it because we're not sure this locale is present everywhere.
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putenv('LC_ALL=' . $locale);
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$files = array();
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$return = 0;
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$shell = exec($cmd, $files, $return);
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if ($return != 0) { // If the java application returns an error code.
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switch ($return) {
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// Can't connect to openoffice.
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case 1: $this->error = get_lang('CannotConnectToOpenOffice');
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break;
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// Conversion failed in openoffice.
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case 2: $this->error = get_lang('OogieConversionFailed');
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break;
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// Conversion can't be launch because command failed.
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case 255: $this->error = get_lang('OogieUnknownError');
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break;
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}
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DocumentManager::delete_document($_course, $this->created_dir, $this->base_work_dir);
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return false;
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}
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} else {
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// get result from webservices
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$result = $this->_get_remote_ppt2lp_files($file);
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$result = unserialize($result);
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// Save remote images to server
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chmod($this->base_work_dir.$this->created_dir, api_get_permissions_for_new_directories());
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if (!empty($result['images'])) {
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foreach ($result['images'] as $image => $img_data) {
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$image_path = $this->base_work_dir.$this->created_dir;
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@file_put_contents($image_path . '/' . $image, base64_decode($img_data));
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@chmod($image_path . '/' . $image, 0777);
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}
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}
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// files info
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$files = $result['files'];
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}
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if (!empty($files)) {
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// Create lp
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$this->lp_id = learnpath::add_lp($_course['id'], $this->file_name, '', 'guess', 'manual');
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// make sure we have a course code available for later
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$this->cc = $_course['id'];
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// Call to the function implemented by child following action_after_conversion parameter.
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switch ($action_after_conversion) {
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case 'make_lp':
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$this->make_lp($files);
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break;
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case 'add_docs_to_visio':
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$this->add_docs_to_visio($files);
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break;
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}
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chmod($this->base_work_dir, api_get_permissions_for_new_directories());
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}
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return $this->first_item;
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}
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/**
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* Get images files from remote host (with webservices)
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* @param array current ppt file
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* @return array images files
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*/
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private function _get_remote_ppt2lp_files($file)
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{
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// host
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$ppt2lp_host = api_get_setting('service_ppt2lp', 'host');
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// secret key
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$secret_key = sha1(api_get_setting('service_ppt2lp', 'ftp_password'));
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// client
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$options = array(
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'location' => $ppt2lp_host,
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'uri' => $ppt2lp_host,
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'trace' => 1,
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'exception' => 1,
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'cache_wsdl' => WSDL_CACHE_NONE,
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);
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$client = new SoapClient(null, $options);
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$result = '';
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$file_data = base64_encode(file_get_contents($file['tmp_name']));
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$file_name = $file['name'];
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$service_ppt2lp_size = api_get_setting('service_ppt2lp', 'size');
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$params = array(
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'secret_key' => $secret_key,
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'file_data' => $file_data,
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'file_name' => $file_name,
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'service_ppt2lp_size' => $service_ppt2lp_size,
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);
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$result = $client->__call('wsConvertPpt', array('pptData' => $params));
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return $result;
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}
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abstract function make_lp();
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abstract function add_docs_to_visio();
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abstract function add_command_parameters();
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/**
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* Used to convert copied from document
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* @param string $originalPath
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* @param string $convertedPath
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* @param string $convertedTitle
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* @return bool
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*/
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function convertCopyDocument($originalPath, $convertedPath, $convertedTitle)
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{
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$_course = api_get_course_info();
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$ids = array();
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$originalPathInfo = pathinfo($originalPath);
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$convertedPathInfo = pathinfo($convertedPath);
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$this->base_work_dir = $originalPathInfo['dirname'];
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$this->file_path = $originalPathInfo['basename'];
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$this->created_dir = $convertedPathInfo['basename'];
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$ppt2lpHost = api_get_setting('service_ppt2lp', 'host');
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$permissionFile = api_get_permissions_for_new_files();
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$permissionFolder = api_get_permissions_for_new_directories();
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if (file_exists($this->base_work_dir . '/' . $this->created_dir)) {
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return $ids;
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}
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if ($ppt2lpHost == 'localhost') {
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if (IS_WINDOWS_OS) { // IS_WINDOWS_OS has been defined in main_api.lib.php
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$converterPath = str_replace('/', '\\', api_get_path(SYS_PATH) . 'main/inc/lib/ppt2png');
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$classPath = $converterPath . ';' . $converterPath . '/jodconverter-2.2.2.jar;' . $converterPath . '/jodconverter-cli-2.2.2.jar';
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$cmd = 'java -Dfile.encoding=UTF-8 -jar "' . $classPath . '/jodconverter-2.2.2.jar"';
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} else {
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$converterPath = api_get_path(SYS_PATH) . 'main/inc/lib/ppt2png';
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$classPath = ' -Dfile.encoding=UTF-8 -jar jodconverter-cli-2.2.2.jar';
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$cmd = 'cd ' . $converterPath . ' && java ' . $classPath . ' ';
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}
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$cmd .= ' -p ' . api_get_setting('service_ppt2lp', 'port');
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// Call to the function implemented by child.
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$cmd .= ' "' . $this->base_work_dir . '/' . $this->file_path . '" "' . $this->base_work_dir . '/' . $this->created_dir . '"';
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// To allow openoffice to manipulate docs.
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@chmod($this->base_work_dir, $permissionFolder);
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@chmod($this->base_work_dir . '/' . $this->file_path, $permissionFile);
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$locale = $this->original_locale; // TODO: Improve it because we're not sure this locale is present everywhere.
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putenv('LC_ALL=' . $locale);
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$files = array();
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$return = 0;
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$shell = exec($cmd, $files, $return);
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// TODO: Chown is not working, root keep user privileges, should be www-data
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@chown($this->base_work_dir . '/' . $this->created_dir, 'www-data');
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@chmod($this->base_work_dir . '/' . $this->created_dir, $permissionFile);
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if ($return != 0) { // If the java application returns an error code.
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switch ($return) {
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// Can't connect to openoffice.
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case 1: $this->error = get_lang('CannotConnectToOpenOffice');
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break;
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// Conversion failed in openoffice.
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case 2: $this->error = get_lang('OogieConversionFailed');
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break;
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// Conversion can't be launch because command failed.
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case 255: $this->error = get_lang('OogieUnknownError');
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break;
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}
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DocumentManager::delete_document($_course, $this->created_dir, $this->base_work_dir);
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return false;
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}
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} else {
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/*
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* @TODO Create method to use webservice
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// get result from webservices
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$result = $this->_get_remote_ppt2lp_files($file);
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$result = unserialize(base64_decode($result));
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// Save remote images to server
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chmod($this->base_work_dir.$this->created_dir, api_get_permissions_for_new_directories());
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if (!empty($result['images'])) {
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foreach ($result['images'] as $image => $img_data) {
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$image_path = $this->base_work_dir.$this->created_dir;
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@file_put_contents($image_path . '/' . $image, base64_decode($img_data));
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@chmod($image_path . '/' . $image, 0777);
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}
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}
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// files info
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$files = $result['files'];
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*/
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}
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if (file_exists($this->base_work_dir . '/' . $this->created_dir)) {
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// Register Files to Document tool
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$ids[] = add_document(
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$_course,
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'/' . $this->created_dir,
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'file',
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filesize($this->base_work_dir . '/' . $this->created_dir),
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$convertedTitle,
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sprintf(
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get_lang('FileConvertedFromXToY'),
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strtoupper($originalPathInfo['extension']),
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strtoupper($convertedPathInfo['extension'])
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),
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0,
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true,
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null,
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api_get_session_id()
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);
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chmod($this->base_work_dir, $permissionFolder);
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}
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return $ids;
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}
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}
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