Subversion Repositories oidplus

<?php

/*

 * OIDplus 2.0

 * Copyright 2019 Daniel Marschall, ViaThinkSoft

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

use MatthiasMullie\Minify;

require_once __DIR__ . '/includes/oidplus.inc.php';

require_once __DIR__ . '/3p/minify/path-converter/ConverterInterface.php';

require_once __DIR__ . '/3p/minify/path-converter/Converter.php';

require_once __DIR__ . '/3p/minify/src/Minify.php';

require_once __DIR__ . '/3p/minify/src/CSS.php';

require_once __DIR__ . '/3p/minify/src/Exception.php';

error_reporting(E_ALL);

$out = '';

# ---

function process_file($filename) {

        $dir = dirname((strpos($filename, __DIR__.'/') === 0) ? substr($filename, strlen(__DIR__.'/')) : $filename);

        if (OIDplus::baseConfig()->getValue('MINIFY_CSS', true)) {

                $minifier = new Minify\CSS($filename);

                $cont = $minifier->minify();

        } else {

                $cont = file_get_contents($filename);

        }

        $cont = preg_replace('@url\\(\s+@ism', 'url(', $cont);

        $cont = str_ireplace('url("data:', 'url###("data:', $cont);

        $cont = str_ireplace('url("', 'url###("'.$dir.'/', $cont);

        $cont = str_ireplace("url('data:", "url###('data:", $cont);

        $cont = str_ireplace("url('", "url###('".$dir.'/', $cont);

        $cont = str_ireplace("url(data:", "url###(data:", $cont);

        $cont = str_ireplace("url(", "url###(".$dir.'/', $cont);

        $cont = str_ireplace("url###(", "url(", $cont);

        return $cont."\n\n";

}

# ---

if (file_exists(__DIR__ . '/userdata/styles/oidplus_base.css')) {

        $out .= process_file(__DIR__ . '/userdata/styles/oidplus_base.css');

} else {

        $out .= process_file(__DIR__ . '/oidplus_base.css');

}

if (file_exists(__DIR__ . '/userdata/styles/oidplus_add.css')) {

        $out .= process_file(__DIR__ . '/userdata/styles/oidplus_add.css');

}

$manifests = OIDplus::getAllPluginManifests('*Pages', true);

foreach ($manifests as $manifest) {

        foreach ($manifest->getCSSFiles() as $css_file) {

                $out .= process_file($css_file);

        }

}

$out .= process_file(__DIR__ . '/3p/jstree/themes/default/style.css');

$out .= process_file(__DIR__ . '/3p/jquery-ui/jquery-ui.css');

$out .= process_file(__DIR__ . '/3p/bootstrap/css/bootstrap.css');

# ---

$inv = isset($_REQUEST['invert']) ? $_REQUEST['invert'] : 0;

if ($inv != 0) {

        $out = invertColorsOfCSS($out);

}

$hs = isset($_REQUEST['h_shift']) ? $_REQUEST['h_shift'] : 0;

$ss = isset($_REQUEST['s_shift']) ? $_REQUEST['s_shift'] : 0;

$vs = isset($_REQUEST['v_shift']) ? $_REQUEST['v_shift'] : 0;

if (($hs != 0) ||($ss != 0) || ($vs != 0)) {

        $out = changeHueOfCSS($out, $hs, $ss, $vs);

}

# ---

$etag = md5($out);

header("Etag: $etag");

header('Content-MD5: '.$etag); // RFC 2616 clause 14.15

if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) {

        header("HTTP/1.1 304 Not Modified");

} else {

        header('Content-Type:text/css');

        echo $out;

}