chamilo /
chamilo-lms
| 1 | <?php |
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| 2 | |||
| 3 | /* For licensing terms, see /license.txt */ |
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| 4 | |||
| 5 | /** |
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| 6 | * Maintenance mode facilitator plugin. |
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| 7 | */ |
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| 8 | |||
| 9 | /** @var \MaintenanceModePlugin $plugin */ |
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| 10 | $plugin = MaintenanceModePlugin::create(); |
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| 11 | $plugin_info = $plugin->get_info(); |
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| 12 | |||
| 13 | $isPlatformAdmin = api_is_platform_admin(); |
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| 14 | $editFile = false; |
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| 15 | |||
| 16 | $file = api_get_path(SYS_PATH).'.htaccess'; |
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| 17 | $maintenanceHtml = api_get_path(SYS_PATH).'maintenance.html'; |
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| 18 | |||
| 19 | if ($plugin->isEnabled() && $isPlatformAdmin) { |
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| 20 | if (!file_exists($file)) { |
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| 21 | Display::addFlash( |
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| 22 | Display::return_message( |
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| 23 | "$file does not exists. ", |
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| 24 | 'warning' |
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| 25 | ) |
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| 26 | ); |
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| 27 | } else { |
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| 28 | if (is_readable($file) && is_writable($file)) { |
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| 29 | $editFile = true; |
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| 30 | } else { |
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| 31 | if (!is_readable($file)) { |
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| 32 | Display::addFlash( |
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| 33 | Display::return_message("$file is not readable", 'warning') |
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| 34 | ); |
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| 35 | } |
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| 36 | |||
| 37 | if (!is_writable($file)) { |
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| 38 | Display::addFlash( |
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| 39 | Display::return_message("$file is not writable", 'warning') |
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| 40 | ); |
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| 41 | } |
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| 42 | } |
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| 43 | } |
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| 44 | } |
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| 45 | |||
| 46 | if ($editFile && $isPlatformAdmin) { |
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| 47 | $originalContent = file_get_contents($file); |
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| 48 | $beginLine = '###@@ This part was generated by the edit_htaccess plugin @@##'; |
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| 49 | $endLine = '###@@ End @@##'; |
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| 50 | |||
| 51 | $handler = fopen($file, 'r'); |
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| 52 | $deleteLinesList = []; |
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| 53 | $deleteLine = false; |
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| 54 | $contentNoBlock = ''; |
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| 55 | $block = ''; |
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| 56 | while (!feof($handler)) { |
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| 57 | $line = fgets($handler); |
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| 58 | $lineTrimmed = trim($line); |
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| 59 | |||
| 60 | if ($lineTrimmed == $beginLine) { |
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| 61 | $deleteLine = true; |
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| 62 | } |
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| 63 | |||
| 64 | if ($deleteLine) { |
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| 65 | $block .= $line; |
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| 66 | } else { |
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| 67 | $contentNoBlock .= $line; |
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| 68 | } |
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| 69 | |||
| 70 | if ($lineTrimmed == $endLine) { |
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| 71 | $deleteLine = false; |
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| 72 | } |
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| 73 | } |
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| 74 | |||
| 75 | fclose($handler); |
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| 76 | $block = str_replace($beginLine, '', $block); |
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| 77 | $block = str_replace($endLine, '', $block); |
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| 78 | |||
| 79 | $form = new FormValidator('htaccess'); |
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| 80 | $form->addHtml($plugin->get_lang('TheFollowingTextWillBeAddedToHtaccess')); |
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| 81 | $element = $form->addText( |
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| 82 | 'ip', |
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| 83 | [$plugin->get_lang('IPAdmin'), $plugin->get_lang('IPAdminDescription')] |
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| 84 | ); |
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| 85 | $element->freeze(); |
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| 86 | $form->addTextarea('text', 'htaccess', ['rows' => '15']); |
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| 87 | |||
| 88 | $config = [ |
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| 89 | 'ToolbarSet' => 'Documents', |
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| 90 | 'Width' => '100%', |
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| 91 | 'Height' => '400', |
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| 92 | 'allowedContent' => true, |
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| 93 | ]; |
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| 94 | |||
| 95 | $form->addHtmlEditor( |
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| 96 | 'maintenance', |
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| 97 | 'Maintenance', |
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| 98 | true, |
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| 99 | true, |
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| 100 | $config |
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| 101 | ); |
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| 102 | |||
| 103 | $form->addCheckBox('active', null, get_lang('active')); |
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| 104 | |||
| 105 | $form->addButtonSave(get_lang('Save')); |
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| 106 | $content = ''; |
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| 107 | if (file_exists($maintenanceHtml)) { |
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| 108 | $content = file_get_contents($maintenanceHtml); |
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| 109 | } |
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| 110 | if (empty($content)) { |
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| 111 | $content = '<html><head><title></title></head><body></body></html>'; |
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| 112 | } |
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| 113 | |||
| 114 | $isactive = api_get_plugin_setting('maintenancemode', 'active'); |
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| 115 | |||
| 116 | $ip = api_get_real_ip(); |
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| 117 | if ('::1' == $ip) { |
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| 118 | $ip = '127.0.0.1'; |
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| 119 | } |
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| 120 | $ipSubList = explode('.', $ip); |
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| 121 | $implode = implode('\.', $ipSubList); |
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| 122 | $append = api_get_configuration_value('url_append'); |
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| 123 | |||
| 124 | $default = ' |
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| 125 | RewriteCond %{REQUEST_URI} !'.$append.'/maintenance.html$ |
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| 126 | RewriteCond %{REMOTE_HOST} !^'.$implode.' |
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| 127 | RewriteRule \.*$ '.$append.'/maintenance.html [R=302,L] |
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| 128 | '; |
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| 129 | if (empty($block)) { |
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| 130 | $block = $default; |
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| 131 | } |
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| 132 | |||
| 133 | $form->setDefaults([ |
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| 134 | 'text' => $block, |
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| 135 | 'maintenance' => $content, |
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| 136 | 'ip' => $ip, |
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| 137 | 'active' => $isactive, |
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| 138 | ]); |
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| 139 | |||
| 140 | if ($form->validate()) { |
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| 141 | $values = $form->getSubmitValues(); |
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| 142 | $text = $values['text']; |
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| 143 | $active = isset($values['active']) ? true : false; |
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| 144 | $content = $values['maintenance']; |
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| 145 | |||
| 146 | // Restore htaccess with out the block |
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| 147 | $newFileContent = $beginLine.PHP_EOL; |
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| 148 | $newFileContent .= trim($text).PHP_EOL; |
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| 149 | $newFileContent .= $endLine; |
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| 150 | $newFileContent .= PHP_EOL; |
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| 151 | $newFileContent .= $contentNoBlock; |
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| 152 | // Remove ^m chars |
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| 153 | $newFileContent = str_ireplace("\x0D", '', $newFileContent); |
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| 154 | file_put_contents($file, $newFileContent); |
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| 155 | |||
| 156 | $handle = curl_init(api_get_path(WEB_PATH)); |
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| 157 | curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); |
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| 158 | $response = curl_exec($handle); |
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| 159 | $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE); |
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| 160 | curl_close($handle); |
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| 161 | |||
| 162 | $statusOkList = [ |
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| 163 | 200, |
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| 164 | 301, |
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| 165 | 302, |
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| 166 | ]; |
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| 167 | |||
| 168 | if (in_array($httpCode, $statusOkList)) { |
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| 169 | $result = file_put_contents($maintenanceHtml, $content); |
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| 170 | if (false === $result) { |
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| 171 | Display::addFlash( |
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| 172 | Display::return_message( |
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| 173 | sprintf($plugin->get_lang('MaintenanceFileNotPresent'), $maintenanceHtml), |
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| 174 | 'warning' |
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| 175 | ) |
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| 176 | ); |
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| 177 | } |
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| 178 | } else { |
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| 179 | // Looks htaccess contains errors. Restore as it was. |
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| 180 | Display::addFlash( |
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| 181 | Display::return_message( |
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| 182 | 'Check your htaccess instructions. The original file was restored.', |
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| 183 | 'warning' |
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| 184 | ) |
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| 185 | ); |
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| 186 | $originalContent = str_replace("\x0D", '', $originalContent); |
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| 187 | file_put_contents($file, $originalContent); |
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| 188 | } |
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| 189 | |||
| 190 | if (false == $active) { |
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| 191 | $message = $plugin->get_lang('MaintenanceModeIsOff'); |
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| 192 | $contentNoBlock = str_replace("\x0D", '', $contentNoBlock); |
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| 193 | file_put_contents($file, $contentNoBlock); |
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| 194 | } else { |
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| 195 | $message = $plugin->get_lang('MaintenanceModeIsOn'); |
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| 196 | } |
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| 197 | Display::addFlash(Display::return_message($message)); |
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| 198 | } |
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| 199 | $plugin_info['settings_form'] = $form; |
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| 200 | } |
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| 201 |
When comparing two booleans, it is generally considered safer to use the strict comparison operator.