Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/admin/settings.php

545 lines
21 KiB

<?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
*/
// 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');
}
$language_file[] = 'tracking';
// 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 '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(
'use_session_mode' => 'true',
'gradebook_enable' => 'false',
'example_material_course_creation' => 'true' // ON by default - now we have this option when we create a course
);
$convert_byte_to_mega_list = array(
'dropbox_max_filesize',
'message_max_upload_filesize',
'default_document_quotum',
'default_group_quotum'
);
if (isset($_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'])) {
$watermark_deleted = PDF::delete_watermark();
}
if (isset($_GET['action']) && $_GET['action'] == 'delete_grading') {
$id = intval($_GET['id']);
api_delete_setting_option($id);
}
$form_search = new FormValidator('search_settings', 'get', api_get_self() , null, array('class'=>'well form-inline'));
$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"');
$form_search->setDefaults(array('search_field' => (isset($_REQUEST['search_field'])?$_REQUEST['search_field']:null)));
$form_search_html = $form_search->return_form();
$url_id = api_get_current_access_url_id();
$settings = null;
function get_settings($category = null) {
$url_id = api_get_current_access_url_id();
$settings_by_access_list = array();
if ($url_id == 1) {
$settings = api_get_settings($category, 'group', $url_id);
} else {
$url_info = api_get_access_url($url_id);
if ($url_info['active'] == 1) {
// The default settings of Chamilo
$settings = api_get_settings($category, 'group', 1, 0);
// The settings that are changeable from a particular site.
$settings_by_access = api_get_settings($category, 'group', $url_id, 1);
foreach ($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'] ] [ $row['category'] ] = array();
}
}
}
if (isset($category) && $category== 'search_setting') {
if (!empty($_REQUEST['search_field'])) {
$settings = search_setting($_REQUEST['search_field']);
}
}
return array(
'settings' => $settings,
'settings_by_access_list' => $settings_by_access_list
);
}
// Build the form.
if (!empty($_GET['category']) &&
!in_array($_GET['category'], array('Plugins', 'stylesheets', 'Search'))
) {
$my_category = isset($_GET['category']) ? $_GET['category'] : null;
$settings_array = get_settings($my_category);
$settings = $settings_array['settings'];
$settings_by_access_list = $settings_array['settings_by_access_list'];
$form = generate_settings_form($settings, $settings_by_access_list);
$message = array();
if ($form->validate()) {
$values = $form->exportValues();
$mark_all = false;
$un_mark_all = false;
if (api_is_multiple_url_enabled()) {
if (isset($values['buttons_in_action_right']) &&
isset($values['buttons_in_action_right']['mark_all'])
) {
$mark_all = true;
}
if (isset($values['buttons_in_action_right']) &&
isset($values['buttons_in_action_right']['unmark_all'])
) {
$un_mark_all = true;
}
}
if ($mark_all || $un_mark_all) {
if (api_is_global_platform_admin()) {
$locked_settings = api_get_locked_settings();
foreach ($values as $key => $value) {
if (!in_array($key, $locked_settings)) {
$changeable = 0;
if ($mark_all) {
$changeable = 1;
}
$params = array('variable = ?' => array($key));
$data = api_get_settings_params($params);
if (!empty($data)) {
foreach ($data as $item) {
$params = array('id' => $item['id'], 'access_url_changeable' => $changeable);
api_set_setting_simple($params);
}
}
}
}
//Reload settings
$settings_array = get_settings($my_category);
$settings = $settings_array['settings'];
$settings_by_access_list = $settings_array['settings_by_access_list'];
$form = generate_settings_form(
$settings,
$settings_by_access_list
);
}
}
if (!empty($_FILES['pdf_export_watermark_path'])) {
$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 (isset($values['allow_social_tool']) && $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', $_configuration['access_url'], array('checkbox', 'radio'));
//This is a more accurate way of updating to false the checkboxes and radios the settings
//var_dump($settings);exit;
/*
foreach ($values as $key => $value) {
if (in_array($key, $settings_to_avoid)) { continue; }
if ($key == 'search_field' or $key == 'submit_fixed_in_bottom') { continue; }
$key = Database::escape_string($key);
$sql = "UPDATE $table_settings_current SET selected_value = 'false' WHERE variable = '".$key."' AND access_url = ".intval($url_id)." AND type IN ('checkbox', 'radio') ";
$res = Database::query($sql);
}*/
foreach ($settings as $item) {
$key = $item['variable'];
if (in_array($key, $settings_to_avoid)) {
continue;
}
if ($key == 'search_field' or $key == 'submit_fixed_in_bottom') {
continue;
}
$key = Database::escape_string($key);
$sql = "UPDATE $table_settings_current
SET selected_value = 'false'
WHERE variable = '".$key."' AND access_url = ".intval($url_id)." AND type IN ('checkbox', 'radio') ";
$res = Database::query($sql);
}
// Save the settings.
$keys = array();
foreach ($values as $key => $value) {
if (strcmp($key, 'MAX_FILE_SIZE') === 0) {
continue;
}
if (in_array($key, $settings_to_avoid)) {
continue;
}
// Avoid form elements which have nothing to do with settings
if ($key == 'search_field' or $key == 'submit_fixed_in_bottom') {
continue;
}
// Treat gradebook values in separate function.
//if (strpos($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, $url_id);
} else {
$sql = "SELECT subkey FROM $table_settings_current WHERE variable = '$key'";
$res = Database::query($sql);
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, $url_id);
}
}
}
// 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>
var hide_icon = "'.api_get_path(WEB_IMG_PATH).'shared_setting_na.png";
var show_icon = "'.api_get_path(WEB_IMG_PATH).'shared_setting.png";
var url = "'.api_get_path(WEB_AJAX_PATH).'admin.ajax.php?a=update_changeable_setting";
$(function() {
$(".share_this_setting").on("click", function() {
var my_img = $(this).find("img");
var link = $(this);
$.ajax({
url: url,
data: { changeable: $(this).attr("data_status"), id: $(this).attr("data_to_send") },
success: function(data) {
if (data == 1) {
if (link.attr("data_status") == 1) {
my_img.attr("src", show_icon);
link.attr("data_status", 0);
} else {
my_img.attr("src", hide_icon);
link.attr("data_status", 1);
}
}
}
});
});
});
</script>';
// Including the header (banner).
Display :: display_header($tool_name);
// The action images.
$action_images['platform'] = 'platform.png';
$action_images['course'] = 'course.png';
$action_images['session'] = 'session.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['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['gradebook'] = 'gradebook.png';
$action_images['search'] = 'search.png';
$action_images['stylesheets'] = 'stylesheets.png';
$action_images['templates'] = 'template.png';
$action_images['plugins'] = 'plugins.png';
$action_images['shibboleth'] = 'shibboleth.png';
$action_images['facebook'] = 'facebook.png';
$action_array = array();
$resultcategories = array();
$resultcategories[] = array('category' => 'Platform');
$resultcategories[] = array('category' => 'Course');
$resultcategories[] = array('category' => 'Session');
$resultcategories[] = array('category' => 'Languages');
$resultcategories[] = array('category' => 'User');
$resultcategories[] = array('category' => 'Tools');
$resultcategories[] = array('category' => 'Editor');
$resultcategories[] = array('category' => 'Security');
$resultcategories[] = array('category' => 'Tuning');
$resultcategories[] = array('category' => 'Gradebook');
$resultcategories[] = array('category' => 'Timezones');
$resultcategories[] = array('category' => 'Tracking');
$resultcategories[] = array('category' => 'Search');
$resultcategories[] = array('category' => 'Stylesheets');
$resultcategories[] = array('category' => 'Templates');
$resultcategories[] = array('category' => 'Plugins');
$resultcategories[] = array('category' => 'LDAP');
$resultcategories[] = array('category' => 'CAS');
$resultcategories[] = array('category' => 'Shibboleth');
$resultcategories[] = array('category' => 'Facebook');
foreach ($resultcategories as $row) {
$url = array();
$url['url'] = api_get_self()."?category=".$row['category'];
$url['content'] = Display::return_icon($action_images[strtolower($row['category'])], api_ucfirst(get_lang($row['category'])),'',ICON_SIZE_MEDIUM);
if (strtolower($row['category']) == strtolower($_GET['category'])) {
$url['active'] = true;
}
$action_array[] = $url;
}
echo Display::actions($action_array);
echo '<br />';
echo $form_search_html;
if ($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 'Regions':
handle_regions();
break;
case 'Plugins':
// Displaying the extensions: Plugins.
// This will be available to all the sites (access_urls).
$securityToken = isset($_GET['sec_token']) ? Security::remove_XSS($_GET['sec_token']) : null;
if (isset($_POST['submit_dashboard_plugins']) && Security::check_token($securityToken)) {
Security::clear_token();
$affected_rows = DashboardManager::store_dashboard_plugins($_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'));
}
}
echo '<script>
$(function(){
$("#tabs").tabs();
});
</script>';
echo '<div id="tabs">';
echo '<ul>';
echo '<li><a href="#tabs-1">'.get_lang('Plugins').'</a></li>';
echo '<li><a href="#tabs-2">'.get_lang('DashboardPlugins').'</a></li>';
echo '<li><a href="#tabs-3">'.get_lang('ConfigureExtensions').'</a></li>';
echo '</ul>';
echo '<div id="tabs-1">';
handle_plugins();
echo '</div>';
echo '<div id="tabs-2">';
DashboardManager::handle_dashboard_plugins();
echo '</div>';
echo '<div id="tabs-3">';
handle_extensions();
echo '</div>';
echo '</div>';
break;
case 'Stylesheets':
// Displaying the extensions: Stylesheets.
handle_stylesheets();
break;
case 'Search':
handle_search();
break;
case 'Templates':
handle_templates();
break;
case 'search_setting':
search_setting($_REQUEST['search_field']);
if (isset($_REQUEST['search_field'])) {
$form->display();
}
break;
default:
if (isset($form))
$form->display();
}
}
/* FOOTER */
Display :: display_footer();