moodle/admin/auth.php

303 lines
11 KiB
PHP

<?php
/**
* Allows admin to edit all auth plugin settings.
*
* JH: copied and Hax0rd from admin/enrol.php and admin/filters.php
*
*/
require_once('../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->libdir.'/tablelib.php');
admin_externalpage_setup('userauthentication');
$action = optional_param('action', '', PARAM_ACTION);
$auth = optional_param('auth', '', PARAM_SAFEDIR);
// get currently installed and enabled auth plugins
$authsavailable = get_list_of_plugins('auth');
//revert auth_plugins_enabled
if (isset($CFG->auth_plugins_enabled)) {
set_config('auth', $CFG->auth_plugins_enabled);
delete_records('config', 'name', 'auth_plugins_enabled');
unset($CFG->auth_plugins_enabled);
}
get_enabled_auth_plugins(true); // fix the list of enabled auths
if (empty($CFG->auth)) {
$authsenabled = array();
} else {
$authsenabled = explode(',', $CFG->auth);
}
if (!isset($CFG->registerauth)) {
set_config('registerauth', '');
}
if (!isset($CFG->auth_instructions)) {
set_config('auth_instructions', '');
}
if (!empty($auth) and !exists_auth_plugin($auth)) {
error(get_string('pluginnotinstalled', 'auth', $auth), $url);
}
////////////////////////////////////////////////////////////////////////////////
// process actions
$status = '';
switch ($action) {
case 'save':
if (data_submitted() and confirm_sesskey()) {
// save settings
set_config('guestloginbutton', required_param('guestloginbutton', PARAM_BOOL));
set_config('alternateloginurl', stripslashes(trim(required_param('alternateloginurl', PARAM_RAW))));
set_config('registerauth', required_param('register', PARAM_SAFEDIR));
set_config('auth_instructions', stripslashes(trim(required_param('auth_instructions', PARAM_RAW))));
// enable registerauth in $CFG->auth if needed
if (!empty($CFG->registerauth) and !in_array($CFG->registerauth, $authsenabled)) {
$authsenabled[] = $CFG->registerauth;
set_config('auth', implode(',', $authsenabled));
}
$status = get_string('changessaved');
}
break;
case 'disable':
// remove from enabled list
$key = array_search($auth, $authsenabled);
if ($key !== false) {
unset($authsenabled[$key]);
set_config('auth', implode(',', $authsenabled));
}
if ($auth == $CFG->registerauth) {
set_config('registerauth', '');
}
break;
case 'enable':
// add to enabled list
if (!in_array($auth, $authsenabled)) {
$authsenabled[] = $auth;
$authsenabled = array_unique($authsenabled);
set_config('auth', implode(',', $authsenabled));
}
break;
case 'down':
$key = array_search($auth, $authsenabled);
// check auth plugin is valid
if ($key === false) {
error(get_string('pluginnotenabled', 'auth', $auth), $url);
}
// move down the list
if ($key < (count($authsenabled) - 1)) {
$fsave = $authsenabled[$key];
$authsenabled[$key] = $authsenabled[$key + 1];
$authsenabled[$key + 1] = $fsave;
set_config('auth', implode(',', $authsenabled));
}
break;
case 'up':
$key = array_search($auth, $authsenabled);
// check auth is valid
if ($key === false) {
error(get_string('pluginnotenabled', 'auth', $auth), $url);
}
// move up the list
if ($key >= 1) {
$fsave = $authsenabled[$key];
$authsenabled[$key] = $authsenabled[$key - 1];
$authsenabled[$key - 1] = $fsave;
set_config('auth', implode(',', $authsenabled));
}
break;
default:
break;
}
// display strings
$txt = get_strings(array('authenticationplugins', 'users', 'administration',
'settings', 'edit', 'name', 'enable', 'disable',
'up', 'down', 'none'));
$txt->updown = "$txt->up/$txt->down";
// construct the display array, with enabled auth plugins at the top, in order
$displayauths = array();
$registrationauths = array();
$registrationauths[''] = $txt->disable;
foreach ($authsenabled as $auth) {
$authplugin = get_auth_plugin($auth);
$displayauths[$auth] = get_string("auth_{$auth}title", 'auth');
if ($authplugin->can_signup()) {
$registrationauths[$auth] = get_string("auth_{$auth}title", 'auth');
}
}
foreach ($authsavailable as $auth) {
if (array_key_exists($auth, $displayauths)) {
continue; //already in the list
}
$authplugin = get_auth_plugin($auth);
$displayauths[$auth] = get_string("auth_{$auth}title", 'auth');
if ($authplugin->can_signup()) {
$registrationauths[$auth] = get_string("auth_{$auth}title", 'auth');
}
}
// build the display table
$table = new flexible_table('auth_admin_table');
$table->define_columns(array('name', 'enable', 'order', 'settings'));
$table->define_headers(array($txt->name, $txt->enable, $txt->updown, $txt->settings));
$table->define_baseurl("{$CFG->wwwroot}/{$CFG->admin}/auth.php");
$table->set_attribute('id', 'blocks');
$table->set_attribute('class', 'generaltable generalbox boxaligncenter boxwidthwide');
$table->setup();
//add always enabled plugins first
$displayname = "<span>".$displayauths['manual']."</span>";
$settings = "<a href=\"auth_config.php?sesskey={$USER->sesskey}&amp;auth=manual\">{$txt->settings}</a>";
$table->add_data(array($displayname, '', '', $settings));
$displayname = "<span>".$displayauths['nologin']."</span>";
$settings = "<a href=\"auth_config.php?sesskey={$USER->sesskey}&amp;auth=nologin\">{$txt->settings}</a>";
$table->add_data(array($displayname, '', '', $settings));
// iterate through auth plugins and add to the display table
$updowncount = 1;
$authcount = count($authsenabled);
$url = "auth.php?sesskey=" . sesskey();
foreach ($displayauths as $auth => $name) {
if ($auth == 'manual' or $auth == 'nologin') {
continue;
}
// hide/show link
if (in_array($auth, $authsenabled)) {
$hideshow = "<a href=\"$url&amp;action=disable&amp;auth=$auth\">";
$hideshow .= "<img src=\"{$CFG->pixpath}/i/hide.gif\" class=\"icon\" alt=\"disable\" /></a>";
// $hideshow = "<a href=\"$url&amp;action=disable&amp;auth=$auth\"><input type=\"checkbox\" checked /></a>";
$enabled = true;
$displayname = "<span>$name</span>";
}
else {
$hideshow = "<a href=\"$url&amp;action=enable&amp;auth=$auth\">";
$hideshow .= "<img src=\"{$CFG->pixpath}/i/show.gif\" class=\"icon\" alt=\"enable\" /></a>";
// $hideshow = "<a href=\"$url&amp;action=enable&amp;auth=$auth\"><input type=\"checkbox\" /></a>";
$enabled = false;
$displayname = "<span class=\"dimmed_text\">$name</span>";
}
// up/down link (only if auth is enabled)
$updown = '';
if ($enabled) {
if ($updowncount > 1) {
$updown .= "<a href=\"$url&amp;action=up&amp;auth=$auth\">";
$updown .= "<img src=\"{$CFG->pixpath}/t/up.gif\" alt=\"up\" /></a>&nbsp;";
}
else {
$updown .= "<img src=\"{$CFG->pixpath}/spacer.gif\" class=\"icon\" alt=\"\" />&nbsp;";
}
if ($updowncount < $authcount) {
$updown .= "<a href=\"$url&amp;action=down&amp;auth=$auth\">";
$updown .= "<img src=\"{$CFG->pixpath}/t/down.gif\" alt=\"down\" /></a>";
}
else {
$updown .= "<img src=\"{$CFG->pixpath}/spacer.gif\" class=\"icon\" alt=\"\" />";
}
++ $updowncount;
}
// settings link
$settings = "<a href=\"auth_config.php?sesskey={$USER->sesskey}&amp;auth=$auth\">{$txt->settings}</a>";
// add a row to the table
$table->add_data(array($displayname, $hideshow, $updown, $settings));
}
// output form
admin_externalpage_print_header();
//print stus messages
if ($status !== '') {
notify($status, 'notifysuccess');
}
print_simple_box(get_string('configauthenticationplugins', 'admin'), 'center', '700');
$table->print_html();
////////////////////////////////////////////////////////////////////////////////
$guestoptions = array();
$guestoptions[0] = get_string("hide");
$guestoptions[1] = get_string("show");
echo '<hr />';
echo '<form '.$CFG->frametarget.' id="adminsettings" method="post" action="auth.php">';
echo '<div class="settingsform clearfix">';
print_heading(get_string('auth_common_settings', 'auth'));
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
echo '<input type="hidden" name="action" value="save" />';
echo '<fieldset>';
##echo '<table cellspacing="0" cellpadding="5" border="0" style="margin-left:auto;margin-right:auto">';
// User self registration
echo '<div class="form-item" id="admin-register">';
echo '<label for = "menuregister">' . get_string("selfregistration", "auth");
echo '<span class="form-shortname">registerauth</span>';
echo '</label>';
choose_from_menu($registrationauths, "register", $CFG->registerauth, "");
echo '<div class="description">' . get_string("selfregistration_help", "auth") . '</div>';
echo '</div>';
// Login as guest button enabled
echo '<div class="form-item" id="admin-guestloginbutton">';
echo '<label for = "menuguestloginbutton">' . get_string("guestloginbutton", "auth");
echo '<span class="form-shortname">guestloginbutton</span>';
echo '</label>';
choose_from_menu($guestoptions, "guestloginbutton", $CFG->guestloginbutton, "");
echo '<div class="description">' . get_string("showguestlogin", "auth") . '</div>';
echo '</div>';
/// An alternate url for the login form. It means we can use login forms that are integrated
/// into non-moodle pages
echo '<div class="form-item" id="admin-alternateloginurl">';
echo '<label for = "alternateloginurl">' . get_string("alternateloginurl", "auth");
echo '<span class="form-shortname">alternateloginurl</span>';
echo '</label>';
echo '<input type="text" size="60" name="alternateloginurl" id="alternateloginurl" value="'.$CFG->alternateloginurl."\" />\n";
echo '<div class="description">' . get_string("alternatelogin", "auth", htmlspecialchars($CFG->wwwroot.'/login/index.php')) . '</div>';
echo '</div>';
/// Instructions about login/password
/// to be showed to users
echo '<div class="form-item" id="admin-auth_instructions">';
echo '<label for = "auth_instructions">' . get_string("instructions", "auth");
echo '<span class="form-shortname">auth_instructions</span>';
echo '</label>';
echo '<textarea cols="30" rows="4" name="auth_instructions" id="auth_instructions">'.s($CFG->auth_instructions)."</textarea>\n";
echo '<div class="description">' . get_string("authinstructions", "auth") . '</div>';
echo '</div>';
echo '</fieldset>';
////////////////////////////////////////////////////////////////////////////////
echo '<div class="form-buttons"><input class="form-submit" type="submit" value="'.get_string('savechanges', 'admin').'" /></div>';
echo '</div>';
echo '</form>';
admin_externalpage_print_footer();
?>