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phab/src/extensions/WMCreatePolicyConduitAPIMethod.php
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WMCreatePolicyConduitAPIMethod.php
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<?php
class CreatePolicyConduitAPIMethod extends ConduitAPIMethod {
public function getAPIMethodName() {
return 'policy.create';
}
public function getMethodDescription() {
return pht('Create custom access control policy objects.');
}
protected function defineParamTypes() {
return array(
'objectType' => 'required string',
'default' => 'required string',
'policy' => 'required list<map<string, wild>>',
);
}
protected function defineReturnType() {
return 'map<string, string>';
}
protected function defineErrorTypes() {
return array(
'ERR-INVALID-PARAMETER' => pht('Missing or malformed parameter.'),
);
}
protected function execute(ConduitAPIRequest $request) {
$actor = $request->getUser();
$action_options = array(
PhabricatorPolicy::ACTION_ALLOW => pht('Allow'),
PhabricatorPolicy::ACTION_DENY => pht('Deny'),
);
$object_type = $request->getValue('objectType');
if ($object_type) {
$phid_types = PhabricatorPHIDType::getAllInstalledTypes(
$request->getUser());
if (empty($phid_types[$object_type])) {
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht("Unknown objectType '%s'", $object_type));
}
$object = $phid_types[$object_type]->newObject();
if (!$object) {
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht("Invalid objectType '%s'", $object_type));
}
} else {
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht('objectType is required.'));
}
$rules = id(new PhutilClassMapQuery())
->setAncestorClass('PhabricatorPolicyRule')
->execute();
foreach ($rules as $key => $rule) {
if (!$rule->canApplyToObject($object)) {
unset($rules[$key]);
}
}
$rules = msort($rules, 'getRuleOrder');
$default_rule = array(
'action' => head_key($action_options),
'rule' => head_key($rules),
'value' => null,
);
$policy = id(new PhabricatorPolicy())
->setRules(array($default_rule))
->setDefaultAction(PhabricatorPolicy::ACTION_DENY);
$root_id = celerity_generate_unique_node_id();
$default_action = $policy->getDefaultAction();
$rule_data = $policy->getRules();
$data = $request->getValue('policy');
$rule_data = array();
foreach ($data as $rule) {
$action = idx($rule, 'action');
switch ($action) {
case 'allow':
case 'deny':
break;
default:
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht("Invalid action '%s'!", $action));
}
$rule_class = idx($rule, 'rule');
if (empty($rules[$rule_class])) {
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht("Invalid rule class '%s'!", $rule_class));
}
$rule_obj = $rules[$rule_class];
$value = $rule_obj->getValueForStorage(idx($rule, 'value'));
$rule_data[] = array(
'action' => $action,
'rule' => $rule_class,
'value' => $value,
);
}
// Filter out nonsense rules, like a "users" rule without any users
// actually specified.
$valid_rules = array();
foreach ($rule_data as $rule) {
$rule_class = $rule['rule'];
if ($rules[$rule_class]->ruleHasEffect($rule['value'])) {
$valid_rules[] = $rule;
}
}
if (!$valid_rules) {
throw id(new ConduitException('ERR-INVALID-PARAMETER'))
->setErrorDescription(pht('Rules do not have any effect.'));
}
// NOTE: Policies are immutable once created, and we always create a new
// policy here. If we didn't, we would need to lock this endpoint down,
// as users could otherwise just go edit the policies of objects with
// custom policies.
$data = array();
$new_policy = new PhabricatorPolicy();
$new_policy->setRules($valid_rules);
$new_policy->setDefaultAction($request->getValue('default'));
$new_policy->save();
return array(
'phid' => $new_policy->getPHID(),
'name' => $new_policy->getName(),
'full' => $new_policy->getName(),
'icon' => $new_policy->getIcon(),
);
}
}
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