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112 daniel-mar 1 
<?php
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/*
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 * OIDplus 2.0
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 * Copyright 2019 Daniel Marschall, ViaThinkSoft
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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use MatthiasMullie\Minify;
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define('DO_MINIFY', true);
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require_once __DIR__ . '/3p/minify/path-converter/ConverterInterface.php';
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require_once __DIR__ . '/3p/minify/path-converter/Converter.php';
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require_once __DIR__ . '/3p/minify/src/Minify.php';
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require_once __DIR__ . '/3p/minify/src/CSS.php';
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require_once __DIR__ . '/3p/minify/src/Exception.php';
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require_once __DIR__ . '/includes/color_utils.inc.php';
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error_reporting(E_ALL);
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$out = '';
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# ---
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function process_file($filename) {
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        $dir = dirname((strpos($filename, __DIR__.'/') === 0) ? substr($filename, strlen(__DIR__.'/')) : $filename);
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        if (DO_MINIFY) {
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                $minifier = new Minify\CSS($filename);
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                $cont = $minifier->minify();
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                $cont = str_ireplace("url(data:", "url###(data:", $cont);
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                $cont = str_ireplace("url(", "url(".$dir.'/', $cont);
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        } else {
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                $cont = file_get_contents($filename);
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                $cont = str_ireplace('url("data:', 'url###("data:', $cont);
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                $cont = str_ireplace('url("', 'url("'.$dir.'/', $cont);
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                $cont = str_ireplace("url('data:", "url###('data:", $cont);
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                $cont = str_ireplace("url('", "url('".$dir.'/', $cont);
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        }
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        $cont = str_ireplace("url###(", "url(", $cont);
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        return $cont;
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}
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# ---
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$out .= process_file(__DIR__ . '/oidplus_base.css')."\n\n";
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foreach (array('publicPages','adminPages','raPages') as $pudir) {
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        $ary = glob(__DIR__ . '/plugins/'.$pudir.'/'.'*'.'/style.css');
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        sort($ary);
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        foreach ($ary as $a) $out .= process_file($a);
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}
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$out .= process_file(__DIR__ . '/3p/jstree/themes/default/style.css')."\n\n";
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$out .= process_file(__DIR__ . '/3p/jquery-ui/jquery-ui.css')."\n\n";
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$out .= process_file(__DIR__ . '/3p/bootstrap/css/bootstrap.css')."\n\n";
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# ---
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$hs = isset($_REQUEST['h_shift']) ? $_REQUEST['h_shift'] : 0;
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$ss = isset($_REQUEST['s_shift']) ? $_REQUEST['s_shift'] : 0;
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$vs = isset($_REQUEST['v_shift']) ? $_REQUEST['v_shift'] : 0;
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if (($hs != 0) ||($ss != 0) || ($vs != 0))
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$out = changeHueOfCSS($out, $hs, $ss, $vs);
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# ---
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$etag = md5($out);
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header("Etag: $etag");
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if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) {
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        header("HTTP/1.1 304 Not Modified");
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} else {
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        header('Content-Type:text/css');
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        echo $out;
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}