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phab/src/applications/phriction/codex/PhrictionDocumentPolicyCodex.php
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PhrictionDocumentPolicyCodex.php
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<?php
final class PhrictionDocumentPolicyCodex
extends PhabricatorPolicyCodex {
public function getPolicySpecialRuleDescriptions() {
$object = $this->getObject();
$strongest_policy = $this->getStrongestPolicy();
$rules = array();
$rules[] = $this->newRule()
->setDescription(
pht('To view a wiki document, you must also be able to view all '.
'of its ancestors. The most-restrictive view policy of this '.
'document\'s ancestors is "%s".',
$strongest_policy->getShortName()))
->setCapabilities(array(PhabricatorPolicyCapability::CAN_VIEW));
$rules[] = $this->newRule()
->setDescription(
pht('To edit a wiki document, you must also be able to view all '.
'of its ancestors.'))
->setCapabilities(array(PhabricatorPolicyCapability::CAN_EDIT));
return $rules;
}
public function getDefaultPolicy() {
$ancestors = $this->getObject()->getAncestors();
if ($ancestors) {
$root = head($ancestors);
} else {
$root = $this->getObject();
}
$root_policy_phid = $root->getPolicy($this->getCapability());
return id(new PhabricatorPolicyQuery())
->setViewer($this->getViewer())
->withPHIDs(array($root_policy_phid))
->executeOne();
}
public function compareToDefaultPolicy(PhabricatorPolicy $policy) {
$root_policy = $this->getDefaultPolicy();
$strongest_policy = $this->getStrongestPolicy();
// Note that we never return 'weaker', because Phriction documents can
// never have weaker permissions than their parents. If this object has
// been set to weaker permissions anyway, return 'adjusted'.
if ($root_policy == $strongest_policy) {
$strength = null;
} else if ($strongest_policy->isStrongerThan($root_policy)) {
$strength = PhabricatorPolicyStrengthConstants::STRONGER;
} else {
$strength = PhabricatorPolicyStrengthConstants::ADJUSTED;
}
return $strength;
}
private function getStrongestPolicy() {
$ancestors = $this->getObject()->getAncestors();
$ancestors[] = $this->getObject();
$strongest_policy = $this->getDefaultPolicy();
foreach ($ancestors as $ancestor) {
$ancestor_policy_phid = $ancestor->getPolicy($this->getCapability());
$ancestor_policy = id(new PhabricatorPolicyQuery())
->setViewer($this->getViewer())
->withPHIDs(array($ancestor_policy_phid))
->executeOne();
if ($ancestor_policy->isStrongerThan($strongest_policy)) {
$strongest_policy = $ancestor_policy;
}
}
return $strongest_policy;
}
}
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