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210 lines
8.0 KiB
210 lines
8.0 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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namespace Tiki\File;
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use Tiki\Lib\Unoconv\UnoconvLib;
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use Tiki\Package\VendorHelper;
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use TikiLib;
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/**
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* Class FileHelper
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* Generic FileHelper which includes logic
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* @package Tiki\File
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*/
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class FileHelper
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{
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const FILE_DISPLAY_TEMPLATE_FOLDER = 'file_displays/';
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/**
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* Function used to retrieve the file template display based on the file type
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* Data is also passed by reference to parse its information if needed
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*
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* @param $file
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* @param $data
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* @param bool $injectDependencies If we want to retrieve only the file name, we can prevent injecting the Javascript files
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* @return string
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* @throws \Exception
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*/
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public static function getDisplayTemplate($file, &$data, $injectDependencies = false)
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{
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global $tikilib, $user;
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$smarty = TikiLib::lib('smarty');
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$accesslib = TikiLib::lib('access');
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$headerlib = Tikilib::lib('header');
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$template = false;
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if (DiagramHelper::isDiagram($file['fileId'])) {
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// Diagrams
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if ($injectDependencies) {
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$errorMessageToAppend = '';
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$oldVendorPath = VendorHelper::getAvailableVendorPath('mxgraph', 'xorti/mxgraph-editor/drawio/webapp/js/app.min.js', false);
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if ($oldVendorPath) {
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$errorMessageToAppend = 'Previous xorti/mxgraph-editor package has been deprecated.<br/>';
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}
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$vendorPath = VendorHelper::getAvailableVendorPath('diagram', 'tikiwiki/diagram/js/app.min.js', false);
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if (! $vendorPath) {
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$accesslib->display_error('tiki-display.php', tr($errorMessageToAppend . 'To view diagrams Tiki needs the tikiwiki/diagram package. If you do not have permission to install this package, ask the site administrator.'));
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}
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$headerlib->add_js_config("var diagramVendorPath = '{$vendorPath}';");
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$headerlib->add_jsfile('lib/jquery_tiki/tiki-mxgraph.js', true);
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$headerlib->add_jsfile($vendorPath . '/tikiwiki/diagram/js/app.min.js', true);
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}
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$data = DiagramHelper::parseData($data);
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$data = DiagramHelper::getDiagramsFromIdentifier($data);
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$template = 'diagram.tpl';
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} elseif ($file['filetype'] == 'application/pdf' || PDFHelper::canConvertToPDF($file['filetype'])) {
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// PDFs
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if ($tikilib->get_preference('fgal_pdfjs_feature') !== 'y') {
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$accesslib->display_error('tiki-display.php', tr('PDF.js feature is disabled. If you do not have permission to enable, ask the site administrator.'));
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}
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$errorMessageToAppend = '';
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$oldPdfJsFile = VendorHelper::getAvailableVendorPath('pdfjs', 'npm-asset/pdfjs-dist/build/pdf.js', false);
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if (file_exists($oldPdfJsFile)) {
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$errorMessageToAppend = 'Previous npm-asset/pdfjs-dist package has been deprecated.<br/>';
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}
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$vendorPath = VendorHelper::getAvailableVendorPath('pdfjsviewer', '/npm-asset/pdfjs-dist-viewer-min/build/minified/build/pdf.js', false);
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if (! file_exists($vendorPath)) {
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$accesslib->display_error('tiki-display.php', tr($errorMessageToAppend . 'To view PDF files Tiki needs the npm-asset/pdfjs-dist-viewer-min. If you do not have permission to install this package, ask the site administrator.'));
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}
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if (isset($_REQUEST['fileSrc'])) {
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$sourceLink = $downloadLink = $_REQUEST['fileSrc'];
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}
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if (! empty($_REQUEST['fileId'])) {
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$filegallib = TikiLib::lib('filegal');
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$info = $filegallib->get_file($_REQUEST['fileId']);
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$exportLink = null;
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if (PDFHelper::canConvertToPDF($info['filetype'])) {
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$accesslib->check_feature('fgal_convert_documents_pdf');
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if (! UnoconvLib::isLibraryAvailable()) {
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$accesslib->display_error('tiki-display.php', tr('To view office document files Tiki needs the media-alchemyst/media-alchemyst package. If you do not have permission to install this package, ask the site administrator.'));
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}
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$exportLink = sprintf('tiki-download_file.php?fileId=%s&pdf', $_REQUEST['fileId']);
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}
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$smarty->loadPlugin('smarty_modifier_sefurl');
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$sourceLink = smarty_modifier_sefurl($_REQUEST['fileId'], 'display');
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}
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if (empty($sourceLink)) {
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$accesslib->display_error('', tr('Invalid request'));
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} else {
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$htmlViewFile = $vendorPath . '/npm-asset/pdfjs-dist-viewer-min/build/minified/web/viewer.html?file=';
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// smarty_modifier_sefurl return & that is already encoded, revert so when url is encoded, it works.
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$sourceLink = preg_replace('/amp;/', '', $sourceLink);
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$sourceLink = $htmlViewFile . urlencode(TikiLib::lib('access')->absoluteUrl($sourceLink));
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};
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$smarty->assign('source_link', $sourceLink);
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if ($tikilib->user_has_perm_on_object($user, $_REQUEST['fileId'], 'file', 'tiki_p_download_files')) {
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$smarty->assign('export_pdf_link', $exportLink);
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}
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$headerlib = TikiLib::lib('header');
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$headerlib->add_css("
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.iframe-container {
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overflow: hidden;
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padding-top: 56.25%;
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position: relative;
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height: 900px;
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}
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.iframe-container iframe {
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border: 0;
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height: 100%;
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left: 0;
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position: absolute;
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top: 0;
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width: 100%;
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}
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@media (max-width: 767px) {
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.iframe-container {
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height: 500px;
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}
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}
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@media (min-width: 768px) AND (max-width: 991px) {
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.iframe-container {
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height: 600px;
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}
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}
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@media (min-width: 992px) AND (max-width: 1209px) {
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.iframe-container {
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height: 700px;
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}
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}
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");
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$template = 'pdf.tpl';
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}
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return $template;
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}
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/**
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* Returns if a given mime-type belongs to a office document type
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*
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* @param $mimeType
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* @return bool
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*/
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public static function isOfficeDocument($mimeType)
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{
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return strpos($mimeType, 'application/vnd.openxmlformats-officedocument') !== false ||
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strpos($mimeType, 'application/vnd.ms') !== false ||
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$mimeType == 'application/msword' ||
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strpos($mimeType, 'application/vnd.oasis.opendocument.') !== false;
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}
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/**
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* Create or append CSV content into a file.
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* File is created if does not exist.
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* @param $path
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* @param array $headers
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* @param array $content
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* @return bool
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*/
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public static function appendCSV($path, array $headers, array $content)
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{
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$fileExists = is_file($path);
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$fileHandler = fopen($path, 'a');
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if (! $fileHandler) {
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return false;
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}
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if (! $fileExists) {
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fputcsv($fileHandler, $headers);
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}
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foreach ($content as $row) {
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$row = array_map(function ($col) {
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return is_array($col) ? json_encode($col) : $col;
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}, $row);
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fputcsv($fileHandler, $row);
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}
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fclose($fileHandler);
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return true;
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}
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}
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