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PhabricatorPolicyEditController.php
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Fri, Feb 14, 17:31

PhabricatorPolicyEditController.php
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<?php
final class PhabricatorPolicyEditController
extends PhabricatorPolicyController {
private $phid;
public function willProcessRequest(array $data) {
$this->phid = idx($data, 'phid');
}
public function processRequest() {
$request = $this->getRequest();
$viewer = $request->getUser();
$action_options = array(
PhabricatorPolicy::ACTION_ALLOW => pht('Allow'),
PhabricatorPolicy::ACTION_DENY => pht('Deny'),
);
$rules = id(new PhutilSymbolLoader())
->setAncestorClass('PhabricatorPolicyRule')
->loadObjects();
$rules = msort($rules, 'getRuleOrder');
$default_rule = array(
'action' => head_key($action_options),
'rule' => head_key($rules),
'value' => null,
);
if ($this->phid) {
$policies = id(new PhabricatorPolicyQuery())
->setViewer($viewer)
->withPHIDs(array($this->phid))
->execute();
if (!$policies) {
return new Aphront404Response();
}
$policy = head($policies);
} else {
$policy = id(new PhabricatorPolicy())
->setRules(array($default_rule))
->setDefaultAction(PhabricatorPolicy::ACTION_DENY);
}
$root_id = celerity_generate_unique_node_id();
$default_action = $policy->getDefaultAction();
$rule_data = $policy->getRules();
$errors = array();
if ($request->isFormPost()) {
$data = $request->getStr('rules');
$data = @json_decode($data, true);
if (!is_array($data)) {
throw new Exception('Failed to JSON decode rule data!');
}
$rule_data = array();
foreach ($data as $rule) {
$action = idx($rule, 'action');
switch ($action) {
case 'allow':
case 'deny':
break;
default:
throw new Exception("Invalid action '{$action}'!");
}
$rule_class = idx($rule, 'rule');
if (empty($rules[$rule_class])) {
throw new Exception("Invalid rule class '{$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) {
$errors[] = pht('None of these policy rules have any effect.');
}
// NOTE: Policies are immutable once created, and we always create a new
// policy here. If we didn't, we would need to lock this endpoint down,
// as users could otherwise just go edit the policies of objects with
// custom policies.
if (!$errors) {
$new_policy = new PhabricatorPolicy();
$new_policy->setRules($valid_rules);
$new_policy->setDefaultAction($request->getStr('default'));
$new_policy->save();
$data = array(
'phid' => $new_policy->getPHID(),
'info' => array(
'name' => $new_policy->getName(),
'full' => $new_policy->getName(),
'icon' => $new_policy->getIcon(),
),
);
return id(new AphrontAjaxResponse())->setContent($data);
}
}
// Convert rule values to display format (for example, expanding PHIDs
// into tokens).
foreach ($rule_data as $key => $rule) {
$rule_data[$key]['value'] = $rules[$rule['rule']]->getValueForDisplay(
$viewer,
$rule['value']);
}
$default_select = AphrontFormSelectControl::renderSelectTag(
$default_action,
$action_options,
array(
'name' => 'default',
));
if ($errors) {
$errors = id(new AphrontErrorView())
->setErrors($errors);
}
$form = id(new PHUIFormLayoutView())
->appendChild($errors)
->appendChild(
javelin_tag(
'input',
array(
'type' => 'hidden',
'name' => 'rules',
'sigil' => 'rules',
)))
->appendChild(
id(new AphrontFormInsetView())
->setTitle(pht('Rules'))
->setRightButton(
javelin_tag(
'a',
array(
'href' => '#',
'class' => 'button green',
'sigil' => 'create-rule',
'mustcapture' => true
),
pht('New Rule')))
->setDescription(
pht('These rules are processed in order.'))
->setContent(javelin_tag(
'table',
array(
'sigil' => 'rules',
'class' => 'policy-rules-table'
),
'')))
->appendChild(
id(new AphrontFormMarkupControl())
->setLabel(pht('If No Rules Match'))
->setValue(pht(
'%s all other users.',
$default_select)));
$form = phutil_tag(
'div',
array(
'id' => $root_id,
),
$form);
$rule_options = mpull($rules, 'getRuleDescription');
$type_map = mpull($rules, 'getValueControlType');
$templates = mpull($rules, 'getValueControlTemplate');
require_celerity_resource('policy-edit-css');
Javelin::initBehavior(
'policy-rule-editor',
array(
'rootID' => $root_id,
'actions' => $action_options,
'rules' => $rule_options,
'types' => $type_map,
'templates' => $templates,
'data' => $rule_data,
'defaultRule' => $default_rule,
));
$dialog = id(new AphrontDialogView())
->setWidth(AphrontDialogView::WIDTH_FULL)
->setUser($viewer)
->setTitle(pht('Edit Policy'))
->appendChild($form)
->addSubmitButton(pht('Save Policy'))
->addCancelButton('#');
return id(new AphrontDialogResponse())->setDialog($dialog);
}
}

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