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  1. <?php
  2.  
  3. /*
  4.  * OIDplus 2.0
  5.  * Copyright 2019 - 2022 Daniel Marschall, ViaThinkSoft
  6.  *
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *     http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  */
  19.  
  20. use ViaThinkSoft\OIDplus\OIDplus;
  21. use ViaThinkSoft\OIDplus\OIDplusDesignPlugin;
  22. use MatthiasMullie\Minify;
  23.  
  24. require_once __DIR__ . '/includes/oidplus.inc.php';
  25.  
  26. error_reporting(OIDplus::baseConfig()->getValue('DEBUG') ? E_ALL : 0);
  27. @ini_set('display_errors', OIDplus::baseConfig()->getValue('DEBUG') ? '1' : '0');
  28.  
  29. $out = '';
  30.  
  31. # ---
  32.  
  33. $do_minify = OIDplus::baseConfig()->getValue('MINIFY_CSS', true);
  34.  
  35. function process_file($filename) {
  36.         global $do_minify;
  37.  
  38.         $filename_min = preg_replace('/\.[^.]+$/', '.min.css', $filename);
  39.         $filename_full = $filename;
  40.  
  41.         if ($do_minify) {
  42.                 if (file_exists($filename_min)) {
  43.                         // There is a file which is already minified
  44.                         $filename = $filename_min;
  45.                         $cont = file_get_contents($filename);
  46.                 } else if (file_exists($filename_full)) {
  47.                         // Otherwise, we minify it ourself
  48.                         $filename = $filename_full;
  49.                         $minifier = new Minify\CSS($filename);
  50.                         $cont = $minifier->minify();
  51.                 } else {
  52.                         return '';
  53.                 }
  54.         } else {
  55.                 if (file_exists($filename_full)) {
  56.                         $filename = $filename_full;
  57.                         $cont = file_get_contents($filename);
  58.                 } else if (file_exists($filename_min)) {
  59.                         $filename = $filename_min;
  60.                         $cont = file_get_contents($filename);
  61.                 } else {
  62.                         return '';
  63.                 }
  64.         }
  65.  
  66.         $thisdir = __DIR__;
  67.         $thisdir = str_replace('\\', '/', $thisdir); // change Windows Backslashes into Web-Slashes
  68.         $filename = str_replace('\\', '/', $filename); // change Windows Backslashes into Web-Slashes
  69.         $dir = dirname((strpos($filename, $thisdir.'/') === 0) ? substr($filename, strlen($thisdir.'/')) : $filename);
  70.  
  71.         $cont = preg_replace('@url\\(\s+@ism', 'url(', $cont);
  72.         $cont = str_ireplace('url("data:', 'url###("data:', $cont);
  73.         $cont = str_ireplace('url("', 'url###("'.$dir.'/', $cont);
  74.         $cont = str_ireplace("url('data:", "url###('data:", $cont);
  75.         $cont = str_ireplace("url('", "url###('".$dir.'/', $cont);
  76.         $cont = str_ireplace("url(data:", "url###(data:", $cont);
  77.         $cont = str_ireplace("url(", "url###(".$dir.'/', $cont);
  78.         $cont = str_ireplace("url###(", "url(", $cont);
  79.         return $cont."\n\n";
  80. }
  81.  
  82. # ---
  83.  
  84. // Third-party products
  85. $out .= process_file(__DIR__ . '/vendor/vakata/jstree/dist/themes/default/style.css');
  86. $out .= process_file(__DIR__ . '/vendor/components/jqueryui/themes/base/jquery-ui.css');
  87. $out .= process_file(__DIR__ . '/vendor/twbs/bootstrap/dist/css/bootstrap.css');
  88. $out .= process_file(__DIR__ . '/vendor/gedmarc/layout/dist/layout-default.css');
  89. $out .= process_file(__DIR__ . '/includes/loading.css');
  90.  
  91. // Find out base CSS
  92. if (isset($_GET['theme'])) {
  93.         $theme = $_GET['theme'];
  94.         if (strpos($theme,'/') !== false) $theme = 'default';
  95.         if (strpos($theme,'\\') !== false) $theme = 'default';
  96.         if (strpos($theme,'..') !== false) $theme = 'default';
  97. } else {
  98.         $theme = 'default';
  99. }
  100.  
  101. if (file_exists(__DIR__ . '/userdata/styles/oidplus_base.css')) {
  102.         // There is a user defined CSS (not recommended, use design plugins instead!)
  103.         $out .= process_file(__DIR__ . '/userdata/styles/oidplus_base.css');
  104. } else {
  105.         // Use CSS of the design plugin
  106.         OIDplus::registerAllPlugins('design', OIDplusDesignPlugin::class, array(OIDplus::class,'registerDesignPlugin'));
  107.         $plugins = OIDplus::getDesignPlugins();
  108.         foreach ($plugins as $plugin) {
  109.                 if ((basename($plugin->getPluginDirectory())) == $theme) {
  110.                         $manifest = $plugin->getManifest();
  111.                         foreach ($manifest->getCSSFiles() as $css_file) {
  112.                                 $out .= process_file($css_file);
  113.                         }
  114.                 }
  115.         }
  116. }
  117.  
  118. // Then plugins
  119. $manifests = OIDplus::getAllPluginManifests(implode(',',OIDplus::INTERACTIVE_PLUGIN_TYPES), true); // due to interface gridGeneratorLinks (1.3.6.1.4.1.37476.2.5.2.3.6) this plugin type can also have CSS
  120. foreach ($manifests as $manifest) {
  121.         foreach ($manifest->getCSSFiles() as $css_file) {
  122.                 $out .= process_file($css_file);
  123.         }
  124. }
  125.  
  126. // Now user-defined (additional) definitions
  127. if (file_exists(__DIR__ . '/userdata/styles/oidplus_add.css')) {
  128.         $out .= process_file(__DIR__ . '/userdata/styles/oidplus_add.css');
  129. }
  130.  
  131. # ---
  132.  
  133. $inv = isset($_GET['invert']) ? $_GET['invert'] : 0;
  134. if ($inv != 0) {
  135.         $out = invertColorsOfCSS($out);
  136. }
  137.  
  138. $hs = isset($_GET['h_shift']) ? $_GET['h_shift'] : 0;
  139. $ss = isset($_GET['s_shift']) ? $_GET['s_shift'] : 0;
  140. $vs = isset($_GET['v_shift']) ? $_GET['v_shift'] : 0;
  141. if (($hs != 0) ||($ss != 0) || ($vs != 0)) {
  142.         $out = changeHueOfCSS($out, $hs, $ss, $vs);
  143. }
  144.  
  145. # ---
  146.  
  147. if (OIDplus::baseConfig()->getValue('DEBUG')) {
  148.         // In debug mode, we might get PHP error messages (see "error_reporting" above),
  149.         // so it would be severe if we would allow ETAG! (since $out does not contain the PHP error messages!)
  150.         header('Content-Type:text/css');
  151.         echo $out;
  152. } else {
  153.         httpOutWithETag($out, 'text/css', 'oidplus.css');
  154. }
  155.