mirror of
https://github.com/Combodo/iTop.git
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129 lines
4.2 KiB
PHP
129 lines
4.2 KiB
PHP
<?php
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/**
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* Copyright (C) 2013-2020 Combodo SARL
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*
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* This file is part of iTop.
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*
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* iTop 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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* iTop 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
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*/
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use ScssPhp\ScssPhp\Compiler;
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/**
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* Class ThemeHandler
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*
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* @author Stephen Abello <stephen.abello@combodo.com>
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* @since 2.7.0
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*/
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class ThemeHandler
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{
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/**
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* Return the absolute URL for the default theme CSS file
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*
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* @return string
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* @throws \Exception
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*/
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public static function GetDefaultThemeUrl()
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{
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$sThemeId = MetaModel::GetConfig()->Get('backoffice_default_theme');
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static::CompileTheme($sThemeId);
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// Return absolute url to theme compiled css
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return utils::GetAbsoluteUrlModulesRoot().'/branding/themes/'.$sThemeId.'/main.css';
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}
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/**
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* Compile the $sThemeId theme
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*
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* @param string $sThemeId
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* @param array|null $aThemeParameters Parameters (variables, imports, stylesheets) for the theme, if not passed, will be retrieved from compiled DM
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* @param array|null $aImportsPaths Paths where imports can be found
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* @param string|null $sWorkingPath Path of the folder used during compilation
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*
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* @throws \CoreException
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*/
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public static function CompileTheme($sThemeId, $aThemeParameters = null, $aImportsPaths = null, $sWorkingPath = null)
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{
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// Default working path
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if($sWorkingPath === null)
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{
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$sWorkingPath = APPROOT.'env-'.utils::GetCurrentEnvironment().'/';
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}
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// Default import paths (env-*)
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if($aImportsPaths === null)
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{
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$aImportsPaths = array(
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APPROOT.'env-'.utils::GetCurrentEnvironment().'/',
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);
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}
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// Note: We do NOT check that the folder exists!
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$sThemeFolderPath = $sWorkingPath.'/branding/themes/'.$sThemeId.'/';
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$sThemeCssPath = $sThemeFolderPath.'main.css';
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// Save parameters if passed...
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if(is_array($aThemeParameters))
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{
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file_put_contents($sThemeFolderPath.'/theme-parameters.json', json_encode($aThemeParameters));
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}
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// ... Otherwise, retrieve them from compiled DM
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else
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{
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$aThemeParameters = json_decode(@file_get_contents($sThemeFolderPath.'theme-parameters.json'), true);
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if ($aThemeParameters === null)
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{
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throw new CoreException('Could not load "'.$sThemeId.'" theme parameters from file, check that it has been compiled correctly');
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}
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}
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$sTmpThemeScssContent = '';
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$iStyleLastModified = 0;
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clearstatcache();
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// Loading files to import and stylesheet to compile, also getting most recent modification time on overall files
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foreach ($aThemeParameters['imports'] as $sImport)
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{
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$sTmpThemeScssContent .= '@import "'.$sImport.'";'."\n";
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$iImportLastModified = filemtime($sWorkingPath.$sImport);
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$iStyleLastModified = $iStyleLastModified < $iImportLastModified ? $iImportLastModified : $iStyleLastModified;
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}
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foreach ($aThemeParameters['stylesheets'] as $sStylesheet)
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{
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$sTmpThemeScssContent .= '@import "'.$sStylesheet.'";'."\n";
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$iStylesheetLastModified = filemtime($sWorkingPath.$sStylesheet);
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$iStyleLastModified = $iStyleLastModified < $iStylesheetLastModified ? $iStylesheetLastModified : $iStyleLastModified;
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}
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// Checking if our compiled css is outdated
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if (!file_exists($sThemeCssPath) || (is_writable($sThemeFolderPath) && (filemtime($sThemeCssPath) < $iStyleLastModified)))
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{
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$oScss = new Compiler();
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$oScss->setFormatter('ScssPhp\\ScssPhp\\Formatter\\Expanded');
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// Setting our xml variables
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$oScss->setVariables($aThemeParameters['variables']);
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// Setting our imports paths
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$oScss->setImportPaths($aImportsPaths);
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// Temporary disabling max exec time while compiling
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$iCurrentMaxExecTime = (int)ini_get('max_execution_time');
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set_time_limit(0);
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// Compiling our theme
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$sTmpThemeCssContent = $oScss->compile($sTmpThemeScssContent);
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set_time_limit($iCurrentMaxExecTime);
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file_put_contents($sThemeCssPath, $sTmpThemeCssContent);
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}
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}
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}
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