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PhabricatorApplicationPolicyChangeTransaction.php
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Fri, Dec 27, 17:02

PhabricatorApplicationPolicyChangeTransaction.php
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<?php
final class PhabricatorApplicationPolicyChangeTransaction
extends PhabricatorApplicationTransactionType {
const TRANSACTIONTYPE = 'application.policy';
const METADATA_ATTRIBUTE = 'capability.name';
private $policies;
public function generateOldValue($object) {
$application = $object;
$capability = $this->getCapabilityName();
return $application->getPolicy($capability);
}
public function applyExternalEffects($object, $value) {
$application = $object;
$user = $this->getActor();
$key = 'phabricator.application-settings';
$config_entry = PhabricatorConfigEntry::loadConfigEntry($key);
$current_value = $config_entry->getValue();
$phid = $application->getPHID();
if (empty($current_value[$phid])) {
$current_value[$application->getPHID()] = array();
}
if (empty($current_value[$phid]['policy'])) {
$current_value[$phid]['policy'] = array();
}
$new = array($this->getCapabilityName() => $value);
$current_value[$phid]['policy'] = $new + $current_value[$phid]['policy'];
$editor = $this->getEditor();
$content_source = $editor->getContentSource();
// NOTE: We allow applications to have custom edit policies, but they are
// currently stored in the Config application. The ability to edit Config
// values is always restricted to administrators, today. Empower this
// particular edit to punch through possible stricter policies, so normal
// users can change application configuration if the application allows
// them to do so.
PhabricatorConfigEditor::storeNewValue(
PhabricatorUser::getOmnipotentUser(),
$config_entry,
$current_value,
$content_source,
$user->getPHID());
}
public function getTitle() {
$old = $this->renderApplicationPolicy($this->getOldValue());
$new = $this->renderApplicationPolicy($this->getNewValue());
return pht(
'%s changed the "%s" policy from "%s" to "%s".',
$this->renderAuthor(),
$this->renderCapability(),
$old,
$new);
}
public function getTitleForFeed() {
$old = $this->renderApplicationPolicy($this->getOldValue());
$new = $this->renderApplicationPolicy($this->getNewValue());
return pht(
'%s changed the "%s" policy for application %s from "%s" to "%s".',
$this->renderAuthor(),
$this->renderCapability(),
$this->renderObject(),
$old,
$new);
}
public function validateTransactions($object, array $xactions) {
$user = $this->getActor();
$application = $object;
$policies = id(new PhabricatorPolicyQuery())
->setViewer($user)
->setObject($application)
->execute();
$errors = array();
foreach ($xactions as $xaction) {
$new = $xaction->getNewValue();
$capability = $xaction->getMetadataValue(self::METADATA_ATTRIBUTE);
if (empty($policies[$new])) {
// Not a standard policy, check for a custom policy.
$policy = id(new PhabricatorPolicyQuery())
->setViewer($user)
->withPHIDs(array($new))
->executeOne();
if (!$policy) {
$errors[] = $this->newInvalidError(
pht('Policy does not exist.'));
continue;
}
} else {
$policy = idx($policies, $new);
}
if (!$policy->isValidPolicyForEdit()) {
$errors[] = $this->newInvalidError(
pht('Can\'t set the policy to a policy you can\'t view!'));
continue;
}
if ($new == PhabricatorPolicies::POLICY_PUBLIC) {
$capobj = PhabricatorPolicyCapability::getCapabilityByKey(
$capability);
if (!$capobj || !$capobj->shouldAllowPublicPolicySetting()) {
$errors[] = $this->newInvalidError(
pht('Can\'t set non-public policies to public.'));
continue;
}
}
if (!$application->isCapabilityEditable($capability)) {
$errors[] = $this->newInvalidError(
pht('Capability "%s" is not editable for this application.',
$capability));
continue;
}
}
// If we're changing these policies, the viewer needs to still be able to
// view or edit the application under the new policy.
$validate_map = array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
);
$validate_map = array_fill_keys($validate_map, array());
foreach ($xactions as $xaction) {
$capability = $xaction->getMetadataValue(self::METADATA_ATTRIBUTE);
if (!isset($validate_map[$capability])) {
continue;
}
$validate_map[$capability][] = $xaction;
}
foreach ($validate_map as $capability => $cap_xactions) {
if (!$cap_xactions) {
continue;
}
$editor = $this->getEditor();
$policy_errors = $editor->validatePolicyTransaction(
$object,
$cap_xactions,
self::TRANSACTIONTYPE,
$capability);
foreach ($policy_errors as $error) {
$errors[] = $error;
}
}
return $errors;
}
private function renderApplicationPolicy($name) {
$policies = $this->getAllPolicies();
if (empty($policies[$name])) {
// Not a standard policy, check for a custom policy.
$policy = id(new PhabricatorPolicyQuery())
->setViewer($this->getViewer())
->withPHIDs(array($name))
->executeOne();
$policies[$name] = $policy;
}
$policy = idx($policies, $name);
return $this->renderValue($policy->getFullName());
}
private function getAllPolicies() {
if (!$this->policies) {
$viewer = $this->getViewer();
$application = $this->getObject();
$this->policies = id(new PhabricatorPolicyQuery())
->setViewer($viewer)
->setObject($application)
->execute();
}
return $this->policies;
}
private function renderCapability() {
$application = $this->getObject();
$capability = $this->getCapabilityName();
return $application->getCapabilityLabel($capability);
}
private function getCapabilityName() {
return $this->getMetadataValue(self::METADATA_ATTRIBUTE);
}
}

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