<?php
/* For licensing terms, see /license.txt */
/**
* With this tool you can easily adjust non critical configuration settings.
* Non critical means that changing them will not result in a broken campus.
*
* @author Patrick Cool
* @author Julio Montoya - Multiple URL site
* @package chamilo.admin
*/
/* INIT SECTION */
// Language files that need to be included.
if (isset($_GET['category']) & & $_GET['category'] == 'Templates') {
$language_file = array('admin', 'document');
} else if(isset($_GET['category']) & & $_GET['category'] == 'Gradebook') {
$language_file = array('admin', 'gradebook');
} else {
$language_file = array('admin', 'document');
}
// Resetting the course id.
$cidReset = true;
// Including some necessary library files.
require_once '../inc/global.inc.php';
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
require_once api_get_path(LIBRARY_PATH).'dashboard.lib.php';
require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
require_once 'settings.lib.php';
// Setting the section (for the tabs).
$this_section = SECTION_PLATFORM_ADMIN;
$_SESSION['this_section'] = $this_section;
// Access restrictions.
api_protect_admin_script();
// Settings to avoid
$settings_to_avoid = array(
'gradebook_enable' => 'false',
'use_document_title' => 'true',
'example_material_course_creation' => 'true' // ON by default - now we have this option when we create a course
);
$convert_byte_to_mega_list = array('dropbox_max_filesize', 'message_max_upload_filesize', 'default_document_quotum', 'default_group_quotum');
// Submit stylesheets.
if (isset($_POST['submit_stylesheets'])) {
$message = store_stylesheets();
header("Location: ".api_get_self()."?category=stylesheets");
exit;
}
if (isset($_POST['style'])) {
Display::$preview_style = $_POST['style'];
}
// Database table definitions.
$table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
// Setting breadcrumbs.
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
// Setting the name of the tool.
$tool_name = get_lang('PlatformConfigSettings');
if (empty($_GET['category'])) {
$_GET['category'] = 'Platform';
}
$watermark_deleted = false;
if (isset($_GET['delete_watermark'])) {
$watermark_deleted = PDF::delete_watermark();
}
if (isset($_POST['new_model']) & & isset($_POST['number_evaluations']) & & !empty($_POST['new_model'])) {
$count = intval($_POST['number_evaluations']);
$string_to_save = '';
for ($i = 1; $i< =$count;$i++) {
$sum = "+";
if ($i == $count) {
$sum = "";
}
//Note: We use rand here because there is a unique index in the settings_options table. The 'variable' and 'value' fields must be unique
$string_to_save .= rand(1, 3).'*X'.$sum;
}
$string_to_save .= "/".$count;
$array_to_save = array();
$array_to_save['variable'] = 'grading_model';
$array_to_save['display_text'] = $_POST['new_model'];
$array_to_save['value'] = $string_to_save;
$result = api_set_setting_option($array_to_save);
}
if (isset($_GET['action']) & & $_GET['action'] == 'delete_grading') {
$id = intval($_GET['id']);
api_delete_setting_option($id);
}
$settings = null;
// Build the form.
if (!empty($_GET['category']) & & !in_array($_GET['category'], array('Plugins', 'stylesheets', 'Search'))) {
$my_category = Database::escape_string($_GET['category']);
if ($_configuration['access_url'] == 1) {
$settings = api_get_settings($my_category, 'group', $_configuration['access_url']);
} else {
$url_info = api_get_access_url($_configuration['access_url']);
if ($url_info['active'] == 1) {
// The default settings of Chamilo
$settings = api_get_settings($my_category, 'group', 1, 0);
// The settings that are changeable from a particular site.
$settings_by_access = api_get_settings($my_category, 'group', $_configuration['access_url'], 1);
$settings_by_access_list = array();
foreach ($settings_by_access as $row) {
if (empty($row['variable']))
$row['variable'] = 0;
if (empty($row['subkey']))
$row['subkey'] = 0;
if (empty($row['category']))
$row['category'] = 0;
// One more validation if is changeable.
if ($row['access_url_changeable'] == 1)
$settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = $row;
else
$settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = array();
}
}
}
if (isset($_GET['category']) & & $_GET['category'] == 'search_setting') {
if (!empty($_REQUEST['search_field'])) {
$settings = search_setting($_REQUEST['search_field']);
}
}
$form = generate_settings_form($settings, $settings_by_access_list);
$message = array();
if ($form->validate()) {
$values = $form->exportValues();
$pdf_export_watermark_path = $_FILES['pdf_export_watermark_path'];
if (isset($pdf_export_watermark_path) & & !empty($pdf_export_watermark_path['name'])) {
$pdf_export_watermark_path_result = PDF::upload_watermark($pdf_export_watermark_path['name'], $pdf_export_watermark_path['tmp_name']);
if ($pdf_export_watermark_path_result) {
$message['confirmation'][] = get_lang('UplUploadSucceeded');
} else {
$message['warning'][] = get_lang('UplUnableToSaveFile').' '.get_lang('Folder').': '.api_get_path(SYS_CODE_PATH).'default_course_document/images';
}
unset($update_values['pdf_export_watermark_path']);
}
// Set true for allow_message_tool variable if social tool is actived
foreach ($convert_byte_to_mega_list as $item) {
if (isset($values[$item])) {
$values[$item] = round($values[$item]*1024*1024);
}
}
if ($values['allow_social_tool'] == 'true') {
$values['allow_message_tool'] = 'true';
}
// The first step is to set all the variables that have type=checkbox of the category
// to false as the checkbox that is unchecked is not in the $_POST data and can
// therefore not be set to false.
// This, however, also means that if the process breaks on the third of five checkboxes, the others
// will be set to false.
//$r = api_set_settings_category($my_category, 'false', $_configuration['access_url'], array('checkbox', 'radio'));
//This is amore accurate way of updating to false the checboxes and radios the settings
foreach ($values as $key => $value) {
if (in_array($key, $settings_to_avoid)) { continue; }
$key = Database::escape_string($key);
$sql = "UPDATE $table_settings_current SET selected_value = 'false' WHERE variable = '".$key."' AND access_url = ".intval($_configuration['access_url'])." AND type IN ('checkbox', 'radio') ";
$res = Database::query($sql);
}
/*foreach($settings_to_avoid as $key => $value) {
api_set_setting($key, $value, null, null, $_configuration['access_url']);
}*/
// Save the settings.
$keys = array();
foreach ($values as $key => $value) {
if (in_array($key, $settings_to_avoid)) { continue; }
// Treat gradebook values in separate function.
//if (strpos($key, 'gradebook_score_display_custom_values') === false) {
if (!is_array($value)) {
$old_value = api_get_setting($key);
switch ($key) {
case 'header_extra_content':
file_put_contents(api_get_path(SYS_PATH).api_get_home_path().'/header_extra_content.txt', $value);
$value = api_get_home_path().'/header_extra_content.txt';
break;
case 'footer_extra_content':
file_put_contents(api_get_path(SYS_PATH).api_get_home_path().'/footer_extra_content.txt', $value);
$value = api_get_home_path().'/footer_extra_content.txt';
break;
// URL validation for some settings.
case 'InstitutionUrl':
case 'course_validation_terms_and_conditions_url':
$value = trim(Security::remove_XSS($value));
if ($value != '') {
// Here we accept absolute URLs only.
if (strpos($value, '://') === false) {
$value = 'http://'.$value;
}
if (!api_valid_url($value, true)) {
// If the new (non-empty) URL value is invalid, then the old URL value stays.
$value = $old_value;
}
}
// If the new URL value is empty, then it will be stored (i.e. the setting will be deleted).
break;
// Validation against e-mail address for some settings.
case 'emailAdministrator':
$value = trim(Security::remove_XSS($value));
if ($value != '' & & !api_valid_email($value)) {
// If the new (non-empty) e-mail address is invalid, then the old e-mail address stays.
// If the new e-mail address is empty, then it will be stored (i.e. the setting will be deleted).
$value = $old_value;
}
break;
}
if ($old_value != $value) $keys[] = $key;
$result = api_set_setting($key, $value, null, null, $_configuration['access_url']);
} else {
if ($key == 'grading_model') {
foreach ($value as $my_key => $option) {
$array_to_save = array();
//build this: 1*X+2*X+3*X/4
$string_to_save = '';
foreach ($option['items'] as $item) {
$string_to_save .= $item.'*X+';
}
$string_to_save = substr($string_to_save, 0, strlen($string_to_save)- 1) . '/'.$option['denominator'];
$array_to_save['display_text'] = $option['display_text'];
$array_to_save['value'] = $string_to_save;
$array_to_save['id'] = $my_key;
$result = api_set_setting_option($array_to_save);
}
} else {
$sql = "SELECT subkey FROM $table_settings_current WHERE variable = '$key'";
$res = Database::query($sql);
$subkeys = array();
while ($row_subkeys = Database::fetch_array($res)) {
// If subkey is changed:
if ((isset($value[$row_subkeys['subkey']]) & & api_get_setting($key, $row_subkeys['subkey']) == 'false') ||
(!isset($value[$row_subkeys['subkey']]) & & api_get_setting($key, $row_subkeys['subkey']) == 'true')) {
$keys[] = $key;
break;
}
}
foreach ($value as $subkey => $subvalue) {
$result = api_set_setting($key, 'true', $subkey, null, $_configuration['access_url']);
}
}
}
}
// Add event configuration settings category to the system log.
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id);
// Add event configuration settings variable to the system log.
if (is_array($keys) & & count($keys) > 0) {
foreach ($keys as $variable) {
if (in_array($key, $settings_to_avoid)) { continue; }
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_VARIABLE, $variable, api_get_utc_datetime(), $user_id);
}
}
}
}
$htmlHeadXtra[] = '< script language = "javascript" >
function delete_grading_model(id) {
window.location = "settings.php?category=Gradebook& action=delete_grading& id=" + id;
}
$(document).ready(function() {
var elements = ["B","C","D","E","F","G","H","I", "J", "K", "L","M","N","O","P","Q","R"];
var i = 0;
$(".formw").each(function(index) {
$(this).find("*").each(function(index2) {
if ($(this).hasClass("first_number")) {
$(this).before("< b > ( A * < / b > ");
}
if ($(this).hasClass("denominator")) {
$(this).before("< b > \) / < / b > ");
}
if ($(this).hasClass("number")) {
$(this).before("< b > + " + elements[i] + " * < / b > ");
i++;
}
});
i = 0;
});
});
< / script > ';
// Including the header (banner).
Display :: display_header($tool_name);
// The action images.
$action_images['platform'] = 'platform.png';
$action_images['course'] = 'course.png';
$action_images['tools'] = 'tools.png';
$action_images['user'] = 'user.png';
$action_images['gradebook'] = 'gradebook.png';
$action_images['ldap'] = 'ldap.png';
$action_images['cas'] = 'user_access.png';
$action_images['security'] = 'security.png';
$action_images['languages'] = 'languages.png';
$action_images['tuning'] = 'tuning.png';
$action_images['plugins'] = 'plugins.png';
$action_images['stylesheets'] = 'stylesheets.png';
$action_images['templates'] = 'template.png';
$action_images['search'] = 'search.png';
$action_images['editor'] = 'html_editor.png';
$action_images['timezones'] = 'timezone.png';
$action_images['extra'] = 'wizard.png';
$action_images['tracking'] = 'statistics.png';
$action_images['gradebook2'] = 'gradebook.png';
// Grabbing the categories.
$resultcategories = api_get_settings_categories(array('stylesheets', 'Plugins', 'Templates', 'Search'));
echo "< div class = \"actions\" > ";
foreach ($resultcategories as $row) {
echo "< a href = \"".api_get_self()."?category=".$row['category']."\" > ".Display::return_icon($action_images[strtolower($row['category'])], api_ucfirst(get_lang($row['category'])),'',ICON_SIZE_MEDIUM)."< / a > ";
}
echo "< a href = \"".api_get_self()."?category=Search\" > ".Display::return_icon($action_images['search'], api_ucfirst(get_lang('Search')),'',ICON_SIZE_MEDIUM)."< / a > ";
echo "< a href = \"".api_get_self()."?category=stylesheets\" > ".Display::return_icon($action_images['stylesheets'], api_ucfirst(get_lang('Stylesheets')),'',ICON_SIZE_MEDIUM)."< / a > ";
echo "< a href = \"".api_get_self()."?category=Templates\" > ".Display::return_icon($action_images['templates'], api_ucfirst(get_lang('Templates')),'',ICON_SIZE_MEDIUM)."< / a > ";
echo "< a href = \"".api_get_self()."?category=Plugins\" > ".Display::return_icon($action_images['plugins'], api_ucfirst(get_lang('Plugins')),'',ICON_SIZE_MEDIUM)."< / a > ";
echo "< / div > ";
$form_search = new FormValidator('search_settings', 'get', api_get_self() , null, array('class'=>'vertical'));
$form_search->addElement('text', 'search_field');
$form_search->addElement('hidden', 'category', 'search_setting');
$form_search->addElement('style_submit_button', 'submit_button', get_lang('Search'), 'value="submit_button", class="search"');
$form_search->setDefaults(array('search_field' => $_REQUEST['search_field']));
$form_search->display();
if ($watermark_deleted) {
Display :: display_normal_message(get_lang('FileDeleted'));
}
// Displaying the message that the settings have been stored.
if (isset($form) & & $form->validate()) {
Display::display_confirmation_message(get_lang('SettingsStored'));
if (is_array($message)) {
foreach($message as $type => $content) {
foreach($content as $msg) {
echo Display::return_message($msg, $type);
}
}
}
}
if (!empty($_GET['category'])) {
switch ($_GET['category']) {
case 'Plugins':
// Displaying the extensions: Plugins.
// This will be available to all the sites (access_urls).
if (isset($_POST['submit_dashboard_plugins'])) {
$affected_rows = DashboardManager::store_dashboard_plugins($_POST);
if ($affected_rows) {
// add event to system log
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id);
Display :: display_confirmation_message(get_lang('DashboardPluginsHaveBeenUpdatedSucesslly'));
}
}
handle_plugins();
DashboardManager::handle_dashboard_plugins();
break;
case 'stylesheets':
// Displaying the extensions: Stylesheets.
handle_stylesheets();
break;
case 'Search':
handle_search();
break;
case 'Templates':
handle_templates();
break;
case 'search_setting':
search_setting($_REQUEST['search_field']);
if (isset($_REQUEST['search_field'])) {
$form->display();
}
break;
default:
$form->display();
}
}
/* FOOTER */
Display :: display_footer();
