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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Maintenance mode facilitator plugin
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* @package chamilo.plugin
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*/
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$plugin = MaintenanceModePlugin::create();
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$plugin_info = $plugin->get_info();
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$editFile = false;
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$file = api_get_path(SYS_PATH).'.htaccess';
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$maintenanceHtml = api_get_path(SYS_PATH).'maintenance.html';
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if ($plugin->isEnabled()) {
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if (!file_exists($file)) {
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Display::addFlash(
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Display::return_message(
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"$file does not exists. ",
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'warning'
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)
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);
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} else {
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if (is_readable($file) && is_writable($file)) {
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$editFile = true;
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} else {
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if (!is_readable($file)) {
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Display::addFlash(
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Display::return_message("$file is not readable", 'warning')
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);
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}
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if (!is_writable($file)) {
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Display::addFlash(
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Display::return_message("$file is not writable", 'warning')
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);
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}
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}
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}
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}
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if ($editFile && api_is_platform_admin()) {
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$originalContent = file_get_contents($file);
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$beginLine = '###@@ This part was generated by the edit_htaccess plugin @@##';
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$endLine = '###@@ End @@##';
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$handler = fopen($file, 'r');
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$deleteLinesList = [];
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$deleteLine = false;
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$contentNoBlock = '';
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$block = '';
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while (!feof($handler)) {
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$line = fgets($handler);
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$lineTrimmed = trim($line);
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if ($lineTrimmed == $beginLine) {
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$deleteLine = true;
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}
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if ($deleteLine) {
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$block .= $line;
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} else {
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$contentNoBlock .= $line;
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}
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if ($lineTrimmed == $endLine) {
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$deleteLine = false;
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}
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}
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fclose($handler);
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$block = str_replace($beginLine, '', $block);
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$block = str_replace($endLine, '', $block);
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$form = new FormValidator('htaccess');
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$form->addHtml('The following text will be added in the /.htaccess');
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$element = $form->addText(
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'ip',
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[$plugin->get_lang('IPAdmin'), $plugin->get_lang('IPAdminDescription')]
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);
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$element->freeze();
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$form->addTextarea('text', 'htaccess', ['rows' => '15']);
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$config = [
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'ToolbarSet' => 'Documents',
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'Width' => '100%',
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'Height' => '400',
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'allowedContent' => true
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];
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$form->addHtmlEditor(
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'maintenance',
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'Maintenance',
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true,
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true,
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$config
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);
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$form->addCheckBox('active', null, get_lang('Active'));
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$form->addButtonSave(get_lang('Save'));
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$content = '';
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if (file_exists($maintenanceHtml)) {
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$content = file_get_contents($maintenanceHtml);
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}
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if (empty($content)) {
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$content = '<html><head><title></title></head><body></body></html>';
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}
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$isActive = api_get_plugin_setting('maintenancemode', 'active');
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$ip = api_get_real_ip();
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if ($ip == '::1') {
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$ip = '127.0.0.1';
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}
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$ipSubList = explode('.', $ip);
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$implode = implode('\.', $ipSubList);
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$append = api_get_configuration_value('url_append');
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$default = '
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RewriteCond %{REQUEST_URI} !'.$append.'/maintenance.html$
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RewriteCond %{REMOTE_HOST} !^'.$implode.'
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RewriteRule \.*$ '.$append.'/maintenance.html [R=302,L]
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';
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if (empty($block)) {
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$block = $default;
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}
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$form->setDefaults([
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'text' => $block,
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'maintenance' => $content,
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'ip' => $ip,
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'active' => $isActive,
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]);
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if ($form->validate()) {
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$values = $form->getSubmitValues();
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$text = $values['text'];
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$active = isset($values['active']) ? true : false;
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$content = $values['maintenance'];
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// Restore htaccess with out the block
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$newFileContent = $beginLine.PHP_EOL;
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$newFileContent .= trim($text).PHP_EOL;
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$newFileContent .= $endLine;
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$newFileContent .= PHP_EOL;
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$newFileContent .= $contentNoBlock;
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// Remove ^m chars
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$newFileContent = str_ireplace("\x0D", '', $newFileContent);
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file_put_contents($file, $newFileContent);
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$handle = curl_init(api_get_path(WEB_PATH));
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curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
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$response = curl_exec($handle);
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$httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
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curl_close($handle);
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// Looks htaccess contains errors. Restore as it was.
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if ($httpCode != 200) {
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Display::addFlash(
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Display::return_message(
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'Check your htaccess instructions. The original file was restored.',
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'warning'
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)
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);
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$originalContent = str_replace("\x0D", '', $originalContent);
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file_put_contents($file, $originalContent);
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} else {
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$result = file_put_contents($maintenanceHtml, $content);
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if ($result === false) {
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Display::addFlash(
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Display::return_message(
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sprintf($plugin->get_lang('MaintenanceFileNotPresent'), $maintenanceHtml),
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'warning'
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)
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);
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}
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}
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if ($active == false) {
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$message = $plugin->get_lang('MaintenanceModeIsOff');
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$contentNoBlock = str_replace("\x0D", '', $contentNoBlock);
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file_put_contents($file, $contentNoBlock);
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} else {
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$message = $plugin->get_lang('MaintenanceModeIsOn');
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}
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Display::addFlash(Display::return_message($message));
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}
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$plugin_info['settings_form'] = $form;
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}
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