385 lines
13 KiB
PHP
385 lines
13 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Brice Maron <brice@bmaron.net>
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* @author Frank Karlitschek <frank@karlitschek.de>
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* @author Hendrik Leppelsack <hendrik@leppelsack.de>
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* @author Individual IT Services <info@individual-it.net>
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* @author Jakob Sack <mail@jakobsack.de>
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* @author Jan-Christoph Borchardt <hey@jancborchardt.net>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Michael Letzgus <develope@michael-letzgus.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Raghu Nayyar <hey@raghunayyar.com>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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use OC\TemplateLayout;
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require_once __DIR__.'/template/functions.php';
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/**
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* This class provides the templates for ownCloud.
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*/
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class OC_Template extends \OC\Template\Base {
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/** @var string */
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private $renderAs; // Create a full page?
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/** @var string */
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private $path; // The path to the template
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/** @var array */
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private $headers = array(); //custom headers
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/** @var string */
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protected $app; // app id
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protected static $initTemplateEngineFirstRun = true;
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/**
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* Constructor
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*
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* @param string $app app providing the template
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* @param string $name of the template file (without suffix)
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* @param string $renderAs If $renderAs is set, OC_Template will try to
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* produce a full page in the according layout. For
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* now, $renderAs can be set to "guest", "user" or
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* "admin".
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* @param bool $registerCall = true
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*/
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public function __construct( $app, $name, $renderAs = "", $registerCall = true ) {
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// Read the selected theme from the config file
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self::initTemplateEngine($renderAs);
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$theme = OC_Util::getTheme();
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$requestToken = (OC::$server->getSession() && $registerCall) ? \OCP\Util::callRegister() : '';
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$parts = explode('/', $app); // fix translation when app is something like core/lostpassword
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$l10n = \OC::$server->getL10N($parts[0]);
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/** @var \OCP\Defaults $themeDefaults */
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$themeDefaults = \OC::$server->query(\OCP\Defaults::class);
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list($path, $template) = $this->findTemplate($theme, $app, $name);
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// Set the private data
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$this->renderAs = $renderAs;
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$this->path = $path;
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$this->app = $app;
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parent::__construct($template, $requestToken, $l10n, $themeDefaults);
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}
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/**
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* @param string $renderAs
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*/
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public static function initTemplateEngine($renderAs) {
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if (self::$initTemplateEngineFirstRun){
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//apps that started before the template initialization can load their own scripts/styles
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//so to make sure this scripts/styles here are loaded first we use OC_Util::addScript() with $prepend=true
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//meaning the last script/style in this list will be loaded first
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if (\OC::$server->getSystemConfig()->getValue ('installed', false) && $renderAs !== 'error' && !\OCP\Util::needUpgrade()) {
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if (\OC::$server->getConfig ()->getAppValue ( 'core', 'backgroundjobs_mode', 'ajax' ) == 'ajax') {
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OC_Util::addScript ( 'backgroundjobs', null, true );
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}
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}
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OC_Util::addStyle('server', null, true);
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OC_Util::addStyle('jquery-ui-fixes',null,true);
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OC_Util::addVendorStyle('jquery-ui/themes/base/jquery-ui',null,true);
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OC_Util::addVendorStyle('select2/select2', null, true);
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OC_Util::addStyle('jquery.ocdialog');
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OC_Util::addTranslations("core", null, true);
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OC_Util::addScript('search', 'search', true);
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OC_Util::addScript('merged-template-prepend', null, true);
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OC_Util::addScript('jquery-ui-fixes');
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OC_Util::addScript('files/fileinfo');
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OC_Util::addScript('files/client');
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OC_Util::addScript('contactsmenu');
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if (\OC::$server->getConfig()->getSystemValue('debug')) {
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// Add the stuff we need always
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// following logic will import all vendor libraries that are
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// specified in core/js/core.json
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$fileContent = file_get_contents(OC::$SERVERROOT . '/core/js/core.json');
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if($fileContent !== false) {
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$coreDependencies = json_decode($fileContent, true);
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foreach(array_reverse($coreDependencies['vendor']) as $vendorLibrary) {
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//remove trailing ".js" as addVendorScript will append it
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OC_Util::addVendorScript(
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substr($vendorLibrary, 0, strlen($vendorLibrary) - 3),null,true);
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}
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} else {
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throw new \Exception('Cannot read core/js/core.json');
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}
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} else {
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// Import all (combined) default vendor libraries
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OC_Util::addVendorScript('core', null, true);
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}
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if (\OC::$server->getRequest()->isUserAgent([\OC\AppFramework\Http\Request::USER_AGENT_IE])) {
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// polyfill for btoa/atob for IE friends
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OC_Util::addVendorScript('base64/base64');
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// shim for the davclient.js library
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\OCP\Util::addScript('files/iedavclient');
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}
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self::$initTemplateEngineFirstRun = false;
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}
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}
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/**
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* find the template with the given name
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* @param string $name of the template file (without suffix)
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*
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* Will select the template file for the selected theme.
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* Checking all the possible locations.
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* @param string $theme
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* @param string $app
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* @return string[]
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*/
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protected function findTemplate($theme, $app, $name) {
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// Check if it is a app template or not.
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if( $app !== '' ) {
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$dirs = $this->getAppTemplateDirs($theme, $app, OC::$SERVERROOT, OC_App::getAppPath($app));
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} else {
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$dirs = $this->getCoreTemplateDirs($theme, OC::$SERVERROOT);
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}
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$locator = new \OC\Template\TemplateFileLocator( $dirs );
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$template = $locator->find($name);
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$path = $locator->getPath();
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return array($path, $template);
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}
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/**
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* Add a custom element to the header
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* @param string $tag tag name of the element
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* @param array $attributes array of attributes for the element
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* @param string $text the text content for the element. If $text is null then the
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* element will be written as empty element. So use "" to get a closing tag.
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*/
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public function addHeader($tag, $attributes, $text=null) {
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$this->headers[]= array(
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'tag' => $tag,
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'attributes' => $attributes,
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'text' => $text
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);
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}
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/**
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* Process the template
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* @return boolean|string
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*
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* This function process the template. If $this->renderAs is set, it
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* will produce a full page.
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*/
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public function fetchPage($additionalParams = null) {
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$data = parent::fetchPage($additionalParams);
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if( $this->renderAs ) {
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$page = new TemplateLayout($this->renderAs, $this->app);
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// Add custom headers
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$headers = '';
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foreach(OC_Util::$headers as $header) {
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$headers .= '<'.\OCP\Util::sanitizeHTML($header['tag']);
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if ( strcasecmp($header['tag'], 'script') === 0 && in_array('src', array_map('strtolower', array_keys($header['attributes']))) ) {
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$headers .= ' defer';
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}
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foreach($header['attributes'] as $name=>$value) {
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$headers .= ' '.\OCP\Util::sanitizeHTML($name).'="'.\OCP\Util::sanitizeHTML($value).'"';
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}
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if ($header['text'] !== null) {
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$headers .= '>'.\OCP\Util::sanitizeHTML($header['text']).'</'.\OCP\Util::sanitizeHTML($header['tag']).'>';
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} else {
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$headers .= '/>';
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}
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}
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$page->assign('headers', $headers);
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$page->assign('content', $data);
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return $page->fetchPage();
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}
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return $data;
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}
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/**
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* Include template
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*
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* @param string $file
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* @param array|null $additionalParams
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* @return string returns content of included template
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*
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* Includes another template. use <?php echo $this->inc('template'); ?> to
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* do this.
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*/
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public function inc( $file, $additionalParams = null ) {
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return $this->load($this->path.$file.'.php', $additionalParams);
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}
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/**
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* Shortcut to print a simple page for users
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* @param string $application The application we render the template for
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* @param string $name Name of the template
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* @param array $parameters Parameters for the template
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* @return boolean|null
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*/
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public static function printUserPage( $application, $name, $parameters = array() ) {
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$content = new OC_Template( $application, $name, "user" );
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foreach( $parameters as $key => $value ) {
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$content->assign( $key, $value );
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}
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print $content->printPage();
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}
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/**
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* Shortcut to print a simple page for admins
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* @param string $application The application we render the template for
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* @param string $name Name of the template
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* @param array $parameters Parameters for the template
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* @return bool
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*/
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public static function printAdminPage( $application, $name, $parameters = array() ) {
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$content = new OC_Template( $application, $name, "admin" );
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foreach( $parameters as $key => $value ) {
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$content->assign( $key, $value );
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}
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return $content->printPage();
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}
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/**
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* Shortcut to print a simple page for guests
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* @param string $application The application we render the template for
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* @param string $name Name of the template
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* @param array|string $parameters Parameters for the template
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* @return bool
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*/
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public static function printGuestPage( $application, $name, $parameters = array() ) {
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$content = new OC_Template( $application, $name, "guest" );
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foreach( $parameters as $key => $value ) {
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$content->assign( $key, $value );
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}
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return $content->printPage();
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}
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/**
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* Print a fatal error page and terminates the script
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* @param string $error_msg The error message to show
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* @param string $hint An optional hint message - needs to be properly escaped
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*/
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public static function printErrorPage( $error_msg, $hint = '' ) {
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if (\OC_App::isEnabled('theming') && !\OC_App::isAppLoaded('theming')) {
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\OC_App::loadApp('theming');
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}
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if ($error_msg === $hint) {
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// If the hint is the same as the message there is no need to display it twice.
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$hint = '';
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}
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try {
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$content = new \OC_Template( '', 'error', 'error', false );
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$errors = array(array('error' => $error_msg, 'hint' => $hint));
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$content->assign( 'errors', $errors );
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$content->printPage();
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} catch (\Exception $e) {
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$logger = \OC::$server->getLogger();
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$logger->error("$error_msg $hint", ['app' => 'core']);
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$logger->logException($e, ['app' => 'core']);
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header(self::getHttpProtocol() . ' 500 Internal Server Error');
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header('Content-Type: text/plain; charset=utf-8');
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print("$error_msg $hint");
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}
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die();
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}
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/**
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* print error page using Exception details
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* @param Exception|Throwable $exception
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* @param bool $fetchPage
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* @return bool|string
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*/
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public static function printExceptionErrorPage($exception, $fetchPage = false) {
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try {
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$request = \OC::$server->getRequest();
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$content = new \OC_Template('', 'exception', 'error', false);
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$content->assign('errorClass', get_class($exception));
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$content->assign('errorMsg', $exception->getMessage());
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$content->assign('errorCode', $exception->getCode());
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$content->assign('file', $exception->getFile());
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$content->assign('line', $exception->getLine());
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$content->assign('trace', $exception->getTraceAsString());
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$content->assign('debugMode', \OC::$server->getSystemConfig()->getValue('debug', false));
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$content->assign('remoteAddr', $request->getRemoteAddress());
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$content->assign('requestID', $request->getId());
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if ($fetchPage) {
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return $content->fetchPage();
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}
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$content->printPage();
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} catch (\Exception $e) {
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$logger = \OC::$server->getLogger();
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$logger->logException($exception, ['app' => 'core']);
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$logger->logException($e, ['app' => 'core']);
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header(self::getHttpProtocol() . ' 500 Internal Server Error');
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header('Content-Type: text/plain; charset=utf-8');
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print("Internal Server Error\n\n");
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print("The server encountered an internal error and was unable to complete your request.\n");
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print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
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print("More details can be found in the server log.\n");
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}
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die();
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}
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/**
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* This is only here to reduce the dependencies in case of an exception to
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* still be able to print a plain error message.
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*
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* Returns the used HTTP protocol.
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*
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* @return string HTTP protocol. HTTP/2, HTTP/1.1 or HTTP/1.0.
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* @internal Don't use this - use AppFramework\Http\Request->getHttpProtocol instead
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*/
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protected static function getHttpProtocol() {
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$claimedProtocol = strtoupper($_SERVER['SERVER_PROTOCOL']);
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$validProtocols = [
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'HTTP/1.0',
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'HTTP/1.1',
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'HTTP/2',
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];
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if(in_array($claimedProtocol, $validProtocols, true)) {
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return $claimedProtocol;
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}
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return 'HTTP/1.1';
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}
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}
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