mirrored from git://git.moodle.org/moodle.git
/
manage.php
executable file
·580 lines (471 loc) · 23 KB
/
manage.php
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<?php //$Id$
require_once('../../config.php');
require_once($CFG->libdir.'/adminlib.php');
admin_externalpage_setup('defineroles');
$roleid = optional_param('roleid', 0, PARAM_INT); // if set, we are editing a role
$name = optional_param('name', '', PARAM_MULTILANG); // new role name
$shortname = optional_param('shortname', '', PARAM_RAW); // new role shortname, special cleaning before storage
$description = optional_param('description', '', PARAM_CLEAN); // new role desc
$action = optional_param('action', '', PARAM_ALPHA);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$cancel = optional_param('cancel', 0, PARAM_BOOL);
$name = stripslashes($name);
$description = stripslashes($description);
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/role:manage', $sitecontext);
if ($cancel) {
redirect('manage.php');
}
$errors = array();
$newrole = false;
$roles = get_all_roles();
$rolescount = count($roles);
/// fix sort order if needed
$rolesort = array();
$i = 0;
foreach ($roles as $rolex) {
$rolesort[$i] = $rolex->id;
if ($rolex->sortorder != $i) {
$r = new object();
$r->id = $rolex->id;
$r->sortorder = $i;
$DB->update_record('role', $r);
$roles[$rolex->id]->sortorder = $i;
}
$i++;
}
// do not delete these default system roles
$defaultroles = array();
$defaultroles[] = $CFG->notloggedinroleid;
$defaultroles[] = $CFG->guestroleid;
$defaultroles[] = $CFG->defaultuserroleid;
$defaultroles[] = $CFG->defaultcourseroleid;
/// form processing, editing a role, adding a role, deleting a role etc.
switch ($action) {
case 'add':
if ($data = data_submitted(false) and confirm_sesskey()) {
$shortname = moodle_strtolower(clean_param(clean_filename($shortname), PARAM_SAFEDIR)); // only lowercase safe ASCII characters
$legacytype = required_param('legacytype', PARAM_RAW);
$legacyroles = get_legacy_roles();
if (!array_key_exists($legacytype, $legacyroles)) {
$legacytype = '';
}
if (empty($name)) {
$errors['name'] = get_string('errorbadrolename', 'role');
} else if ($DB->count_records('role', array('name'=>$name))) {
$errors['name'] = get_string('errorexistsrolename', 'role');
}
if (empty($shortname)) {
$errors['shortname'] = get_string('errorbadroleshortname', 'role');
} else if ($DB->count_records('role', array('shortname'=>$shortname))) {
$errors['shortname'] = get_string('errorexistsroleshortname', 'role');
}
if (empty($errors)) {
$newroleid = create_role($name, $shortname, $description);
// set proper legacy type
if (!empty($legacytype)) {
assign_capability($legacyroles[$legacytype], CAP_ALLOW, $newroleid, $sitecontext->id);
}
} else {
$newrole = new object();
$newrole->name = $name;
$newrole->shortname = $shortname;
$newrole->description = $description;
$newrole->legacytype = $legacytype;
}
$allowed_values = array(CAP_INHERIT, CAP_ALLOW, CAP_PREVENT, CAP_PROHIBIT);
$capabilities = fetch_context_capabilities($sitecontext); // capabilities applicable in this context
foreach ($capabilities as $cap) {
if (!isset($data->{$cap->name})) {
continue;
}
// legacy caps have their own selector
if (islegacy($data->{$cap->name})) {
continue;
}
$capname = $cap->name;
$value = clean_param($data->{$cap->name}, PARAM_INT);
if (!in_array($value, $allowed_values)) {
continue;
}
if (empty($errors)) {
assign_capability($capname, $value, $newroleid, $sitecontext->id);
} else {
$newrole->$capname = $value;
}
}
// added a role sitewide...
mark_context_dirty($sitecontext->path);
if (empty($errors)) {
$rolename = $DB->get_field('role', 'name', array('id'=>$newroleid));
add_to_log(SITEID, 'role', 'add', 'admin/roles/manage.php?action=add', $rolename, '', $USER->id);
redirect('manage.php');
}
}
break;
case 'edit':
if ($data = data_submitted(false) and confirm_sesskey()) {
$shortname = moodle_strtolower(clean_param(clean_filename($shortname), PARAM_SAFEDIR)); // only lowercase safe ASCII characters
$legacytype = required_param('legacytype', PARAM_RAW);
$legacyroles = get_legacy_roles();
if (!array_key_exists($legacytype, $legacyroles)) {
$legacytype = '';
}
if (empty($name)) {
$errors['name'] = get_string('errorbadrolename', 'role');
} else if ($rs = $DB->get_records('role', array('name'=>$name))) {
unset($rs[$roleid]);
if (!empty($rs)) {
$errors['name'] = get_string('errorexistsrolename', 'role');
}
}
if (empty($shortname)) {
$errors['shortname'] = get_string('errorbadroleshortname', 'role');
} else if ($rs = $DB->get_records('role', array('shortname'=>$shortname))) {
unset($rs[$roleid]);
if (!empty($rs)) {
$errors['shortname'] = get_string('errorexistsroleshortname', 'role');
}
}
if (!empty($errors)) {
$newrole = new object();
$newrole->name = $name;
$newrole->shortname = $shortname;
$newrole->description = $description;
$newrole->legacytype = $legacytype;
}
$allowed_values = array(CAP_INHERIT, CAP_ALLOW, CAP_PREVENT, CAP_PROHIBIT);
$capabilities = fetch_context_capabilities($sitecontext); // capabilities applicable in this context
foreach ($capabilities as $cap) {
if (!isset($data->{$cap->name})) {
continue;
}
// legacy caps have their own selector
if (islegacy($data->{$cap->name}) === 0 ) {
continue;
}
$capname = $cap->name;
$value = clean_param($data->{$cap->name}, PARAM_INT);
if (!in_array($value, $allowed_values)) {
continue;
}
if (!empty($errors)) {
$newrole->$capname = $value;
continue;
}
// edit default caps
$SQL = "SELECT *
FROM {role_capabilities}
WHERE roleid = ? AND capability = ?
AND contextid = ?";
$params = array($roleid, $capname, $sitecontext->id);
$localoverride = $DB->get_record_sql($SQL, $params);
if ($localoverride) { // update current overrides
if ($value == CAP_INHERIT) { // inherit = delete
unassign_capability($capname, $roleid, $sitecontext->id);
} else {
$localoverride->permission = $value;
$localoverride->timemodified = time();
$localoverride->modifierid = $USER->id;
$DB->update_record('role_capabilities', $localoverride);
}
} else { // insert a record
if ($value != CAP_INHERIT) {
assign_capability($capname, $value, $roleid, $sitecontext->id);
}
}
}
if (empty($errors)) {
// update normal role settings
$role->id = $roleid;
$role->name = $name;
$role->shortname = $shortname;
$role->description = $description;
if (!$DB->update_record('role', $role)) {
print_error('cannotupdaterole', 'error');
}
// set proper legacy type
foreach($legacyroles as $ltype=>$lcap) {
if ($ltype == $legacytype) {
assign_capability($lcap, CAP_ALLOW, $roleid, $sitecontext->id);
} else {
unassign_capability($lcap, $roleid);
}
}
// edited a role sitewide...
mark_context_dirty($sitecontext->path);
add_to_log(SITEID, 'role', 'edit', 'admin/roles/manage.php?action=edit&roleid='.$role->id, $role->name, '', $USER->id);
redirect('manage.php');
}
// edited a role sitewide - with errors, but still...
mark_context_dirty($sitecontext->path);
}
break;
case 'delete':
if (in_array($roleid, $defaultroles)) {
print_error('cannotdeleterole', 'error', '', 'this role is used as one of the default system roles, it can not be deleted');
}
if ($confirm and data_submitted() and confirm_sesskey()) {
if (!delete_role($roleid)) {
// partially deleted a role sitewide...?
mark_context_dirty($sitecontext->path);
print_error('cannotdeleterolewithid', 'error', '', $roleid);
}
// deleted a role sitewide...
mark_context_dirty($sitecontext->path);
} else if (confirm_sesskey()){
// show confirmation
admin_externalpage_print_header();
$optionsyes = array('action'=>'delete', 'roleid'=>$roleid, 'sesskey'=>sesskey(), 'confirm'=>1);
$a = new object();
$a->id = $roleid;
$a->name = $roles[$roleid]->name;
$a->shortname = $roles[$roleid]->shortname;
$a->count = $DB->count_records('role_assignments', array('roleid'=>$roleid));
notice_yesno(get_string('deleterolesure', 'role', $a), 'manage.php', 'manage.php', $optionsyes, NULL, 'post', 'get');
admin_externalpage_print_footer();
die;
}
redirect('manage.php');
break;
case 'moveup':
if (array_key_exists($roleid, $roles) and confirm_sesskey()) {
$role = $roles[$roleid];
if ($role->sortorder > 0) {
$above = $roles[$rolesort[$role->sortorder - 1]];
if (!switch_roles($role, $above)) {
print_error('cannotmoverolewithid', 'error', '', $roleid);
}
}
}
redirect('manage.php');
break;
case 'movedown':
if (array_key_exists($roleid, $roles) and confirm_sesskey()) {
$role = $roles[$roleid];
if ($role->sortorder + 1 < $rolescount) {
$below = $roles[$rolesort[$role->sortorder + 1]];
if (!switch_roles($role, $below)) {
print_error('cannotmoverolewithid', 'error', '', $roleid);
}
}
}
redirect('manage.php');
break;
case 'duplicate':
if (!array_key_exists($roleid, $roles)) {
redirect('manage.php');
}
if ($confirm and data_submitted() and confirm_sesskey()) {
//ok - lets duplicate!
} else {
// show confirmation
admin_externalpage_print_header();
$optionsyes = array('action'=>'duplicate', 'roleid'=>$roleid, 'sesskey'=>sesskey(), 'confirm'=>1);
$optionsno = array('action'=>'view', 'roleid'=>$roleid);
$a = new object();
$a->id = $roleid;
$a->name = $roles[$roleid]->name;
$a->shortname = $roles[$roleid]->shortname;
notice_yesno(get_string('duplicaterolesure', 'role', $a), 'manage.php', 'manage.php', $optionsyes, $optionsno, 'post', 'get');
admin_externalpage_print_footer();
die;
}
// duplicate current role
$sourcerole = $DB->get_record('role', array('id'=>$roleid));
$fullname = $sourcerole->name;
$shortname = $sourcerole->shortname;
$currentfullname = "";
$currentshortname = "";
$counter = 0;
// find a name for the duplicated role
do {
if ($counter) {
$suffixfull = " ".get_string("copyasnoun")." ".$counter;
$suffixshort = "_".$counter;
} else {
$suffixfull = "";
$suffixshort = "";
}
$currentfullname = $fullname.$suffixfull;
// Limit the size of shortname - database column accepts <= 100 chars
$currentshortname = substr($shortname, 0, 100 - strlen($suffixshort)).$suffixshort;
$coursefull = $DB->get_record("role", array("name"=>$currentfullname));
$courseshort = $DB->get_record("role", array("shortname"=>$currentshortname));
$counter++;
} while ($coursefull || $courseshort);
$description = 'duplicate of '.$fullname;
if ($newrole = create_role($currentfullname, $currentshortname, $description)) {
// dupilcate all the capabilities
role_cap_duplicate($sourcerole, $newrole);
// dup'ed a role sitewide...
mark_context_dirty($sitecontext->path);
}
$rolename = $DB->get_field('role', 'name', array('id'=>$newrole));
add_to_log(SITEID, 'role', 'duplicate', 'admin/roles/manage.php?roleid='.$newrole.'&action=duplicate', $rolename, '', $USER->id);
redirect('manage.php');
break;
case 'reset':
if (!array_key_exists($roleid, $roles)) {
redirect('manage.php');
}
if ($confirm and data_submitted() and confirm_sesskey()) {
reset_role_capabilities($roleid);
// reset a role sitewide...
mark_context_dirty($sitecontext->path);
$rolename = get_field('role', 'name', 'id', $roleid);
add_to_log(SITEID, 'role', 'reset', 'admin/roles/manage.php?roleid='.$roleid.'&action=reset', $rolename, '', $USER->id);
redirect('manage.php?action=view&roleid='.$roleid);
} else {
// show confirmation
admin_externalpage_print_header();
$optionsyes = array('action'=>'reset', 'roleid'=>$roleid, 'sesskey'=>sesskey(), 'confirm'=>1);
$optionsno = array('action'=>'view', 'roleid'=>$roleid);
$a = new object();
$a->id = $roleid;
$a->name = $roles[$roleid]->name;
$a->shortname = $roles[$roleid]->shortname;
$a->legacytype = get_legacy_type($roleid);
if (empty($a->legacytype)) {
$warning = get_string('resetrolesurenolegacy', 'role', $a);
} else {
$warning = get_string('resetrolesure', 'role', $a);
}
notice_yesno($warning, 'manage.php', 'manage.php', $optionsyes, $optionsno, 'post', 'get');
admin_externalpage_print_footer();
die;
}
break;
default:
break;
}
/// print UI now
admin_externalpage_print_header();
$currenttab = 'manage';
include_once('managetabs.php');
if (($roleid and ($action == 'view' or $action == 'edit')) or $action == 'add') { // view or edit role details
if ($action == 'add') {
$roleid = 0;
if (empty($errors) or empty($newrole)) {
$role = new object();
$role->name = '';
$role->shortname = '';
$role->description = '';
$role->legacytype = '';
} else {
$role = $newrole;
}
} else if ($action == 'edit' and !empty($errors) and !empty($newrole)) {
$role = $newrole;
} else {
if(!$role = $DB->get_record('role', array('id'=>$roleid))) {
print_error('wrongroleid', 'error');
}
$role->legacytype = get_legacy_type($role->id);
}
foreach ($roles as $rolex) {
$roleoptions[$rolex->id] = strip_tags(format_string($rolex->name));
}
// this is the array holding capabilities of this role sorted till this context
$r_caps = role_context_capabilities($roleid, $sitecontext);
// this is the available capabilities assignable in this context
$capabilities = fetch_context_capabilities($sitecontext);
$usehtmleditor = can_use_html_editor();
switch ($action) {
case 'add':
print_heading_with_help(get_string('addrole', 'role'), 'roles');
break;
case 'view':
print_heading_with_help(get_string('viewrole', 'role'), 'roles');
break;
case 'edit':
print_heading_with_help(get_string('editrole', 'role'), 'roles');
break;
}
echo '<div class="selector">';
if ($action == 'view') {
popup_form('manage.php?action=view&roleid=', $roleoptions, 'switchrole', $roleid, '', '', '',
false, 'self', get_string('selectrole', 'role'));
echo '<div class="buttons">';
$legacytype = get_legacy_type($roleid);
$options = array();
$options['roleid'] = $roleid;
$options['action'] = 'edit';
print_single_button('manage.php', $options, get_string('edit'));
$options['action'] = 'reset';
if (empty($legacytype)) {
print_single_button('manage.php', $options, get_string('resetrolenolegacy', 'role'));
} else {
print_single_button('manage.php', $options, get_string('resetrole', 'role'));
}
$options['action'] = 'duplicate';
print_single_button('manage.php', $options, get_string('duplicaterole', 'role'));
print_single_button('manage.php', null, get_string('listallroles', 'role'));
echo '</div>';
}
echo '</div>';
$lang = str_replace('_utf8', '', current_language());
print_simple_box_start('center');
include_once('manage.html');
print_simple_box_end();
if ($usehtmleditor) {
use_html_editor('description');
}
} else {
print_heading_with_help(get_string('roles', 'role'), 'roles');
$table = new object;
$table->tablealign = 'center';
$table->align = array('right', 'left', 'left', 'left');
$table->wrap = array('nowrap', '', 'nowrap','nowrap');
$table->cellpadding = 5;
$table->cellspacing = 0;
$table->width = '90%';
$table->data = array();
$table->head = array(get_string('name'),
get_string('description'),
get_string('shortname'),
get_string('edit'));
/*************************
* List all current roles *
**************************/
foreach ($roles as $role) {
$stredit = get_string('edit');
$strdelete = get_string('delete');
$strmoveup = get_string('moveup');
$strmovedown = get_string('movedown');
$row = array();
$row[0] = '<a href="manage.php?roleid='.$role->id.'&action=view">'.format_string($role->name).'</a>';
$row[1] = format_text($role->description, FORMAT_HTML);
$row[2] = s($role->shortname);
$row[3] = '<a title="'.$stredit.'" href="manage.php?action=edit&roleid='.$role->id.'">'.
'<img src="'.$CFG->pixpath.'/t/edit.gif" class="iconsmall" alt="'.$stredit.'" /></a> ';
if (in_array($role->id, $defaultroles)) {
$row[3] .= '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" class="iconsmall" alt="" /> ';
} else {
$row[3] .= '<a title="'.$strdelete.'" href="manage.php?action=delete&roleid='.$role->id.'&sesskey='.sesskey().'">'.
'<img src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$strdelete.'" /></a> ';
}
if ($role->sortorder != 0) {
$row[3] .= '<a title="'.$strmoveup.'" href="manage.php?action=moveup&roleid='.$role->id.'&sesskey='.sesskey().'">'.
'<img src="'.$CFG->pixpath.'/t/up.gif" class="iconsmall" alt="'.$strmoveup.'" /></a> ';
} else {
$row[3] .= '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" class="iconsmall" alt="" /> ';
}
if ($role->sortorder+1 < $rolescount) {
$row[3] .= '<a title="'.$strmovedown.'" href="manage.php?action=movedown&roleid='.$role->id.'&sesskey='.sesskey().'">'.
'<img src="'.$CFG->pixpath.'/t/down.gif" class="iconsmall" alt="'.$strmovedown.'" /></a> ';
} else {
$row[3] .= '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" class="iconsmall" alt="" /> ';
}
$table->data[] = $row;
}
print_table($table);
$options = new object();
$options->action = 'add';
echo '<div class="buttons">';
print_single_button('manage.php', $options, get_string('addrole', 'role'), 'get');
echo '</div>';
}
admin_externalpage_print_footer();
die;
?>