public function execute()
{
global $CFG, $DB;
$roleid = $this->arguments[0];
$filearg = $this->arguments[1];
if (substr($filearg, 0, 1) == '/') {
// Absolute file.
$filename = $filearg;
} else {
// Relative to current directory.
$filename = $this->cwd . DIRECTORY_SEPARATOR . $filearg;
}
$fh = fopen($filename, 'r');
$roledefinition = fread($fh, filesize($filename));
if ($roledefinition) {
$systemcontext = \context_system::instance();
$options = array('shortname' => 1, 'name' => 1, 'description' => 1, 'permissions' => 1, 'archetype' => 1, 'contextlevels' => 1, 'allowassign' => 1, 'allowoverride' => 1, 'allowswitch' => 1, 'permissions' => 1);
$definitiontable = new \core_role_define_role_table_advanced($systemcontext, $roleid);
// Add all permissions from definition file to $_POST, otherwise, they won't be applied.
$info = \core_role_preset::parse_preset($roledefinition);
$_POST = $info['permissions'];
$definitiontable->read_submitted_permissions();
$definitiontable->force_preset($roledefinition, $options);
$definitiontable->save_changes();
}
}
public function test_xml()
{
global $DB;
$roles = $DB->get_records('role');
foreach ($roles as $role) {
$xml = core_role_preset::get_export_xml($role->id);
$this->assertTrue(core_role_preset::is_valid_preset($xml));
$info = core_role_preset::parse_preset($xml);
$this->assertSame($role->shortname, $info['shortname']);
$this->assertSame($role->name, $info['name']);
$this->assertSame($role->description, $info['description']);
$this->assertSame($role->archetype, $info['archetype']);
$contextlevels = get_role_contextlevels($role->id);
$this->assertEquals(array_values($contextlevels), array_values($info['contextlevels']));
foreach (array('assign', 'override', 'switch') as $type) {
$records = $DB->get_records('role_allow_' . $type, array('roleid' => $role->id), "allow{$type} ASC");
$allows = array();
foreach ($records as $record) {
if ($record->{'allow' . $type} == $role->id) {
array_unshift($allows, -1);
}
$allows[] = $record->{'allow' . $type};
}
$this->assertEquals($allows, $info['allow' . $type], "{$type} {$role->shortname} does not match");
}
$capabilities = $DB->get_records_sql("SELECT *\n FROM {role_capabilities}\n WHERE contextid = :syscontext AND roleid = :roleid\n ORDER BY capability ASC", array('syscontext' => context_system::instance()->id, 'roleid' => $role->id));
foreach ($capabilities as $cap) {
$this->assertEquals($cap->permission, $info['permissions'][$cap->capability]);
unset($info['permissions'][$cap->capability]);
}
// The remainders should be only inherits.
foreach ($info['permissions'] as $capability => $permission) {
if ($permission == CAP_INHERIT) {
continue;
}
$this->fail('only CAP_INHERIT expected');
}
}
}
/**
* Change the role definition to match given preset.
*
* @param string $xml
* @param array $options array with following keys:
* 'name', 'shortname', 'description', 'permissions', 'archetype',
* 'contextlevels', 'allowassign', 'allowoverride', 'allowswitch'
*/
public function force_preset($xml, array $options)
{
if (!($info = core_role_preset::parse_preset($xml))) {
throw new coding_exception('Invalid role preset');
}
if ($options['shortname']) {
if (isset($info['shortname'])) {
$this->role->shortname = $info['shortname'];
}
}
if ($options['name']) {
if (isset($info['name'])) {
$this->role->name = $info['name'];
}
}
if ($options['description']) {
if (isset($info['description'])) {
$this->role->description = $info['description'];
}
}
if ($options['archetype']) {
if (isset($info['archetype'])) {
$this->role->archetype = $info['archetype'];
}
}
if ($options['contextlevels']) {
if (isset($info['contextlevels'])) {
$this->contextlevels = $info['contextlevels'];
}
}
foreach (array('assign', 'override', 'switch') as $type) {
if ($options['allow' . $type]) {
if (isset($info['allow' . $type])) {
$this->{'allow' . $type} = $info['allow' . $type];
}
}
}
if ($options['permissions']) {
foreach ($this->permissions as $k => $v) {
// Note: do not set everything else to CAP_INHERIT here
// because the xml file might not contain all capabilities.
if (isset($info['permissions'][$k])) {
$this->permissions[$k] = $info['permissions'][$k];
}
}
}
}
