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3ef0721ada
Summary: Fixes T6956. Before this change, we called PhabricatorUser::getOmnipotentUser in the various delete methods to query the data. Now, we use $engine->getViewer(), since its always a good thing to have less calls to PhabricatorUser::getOmnipotentUser thrown around the codebase. I used the "codemod" tool to audit the existing calls to PhabricatorDestructorEngine (all of them) so ostensibly this gets all the spots. If I missed something though, its still going to work, so this change is very low risk. Test Plan: ./bin/remove destroy P1; visit P1 and get a 404 Reviewers: epriestley Reviewed By: epriestley Subscribers: Korvin, epriestley Maniphest Tasks: T6956 Differential Revision: https://secure.phabricator.com/D12866
105 lines
2.5 KiB
PHP
105 lines
2.5 KiB
PHP
<?php
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final class PhabricatorFileChunk extends PhabricatorFileDAO
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implements
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PhabricatorPolicyInterface,
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PhabricatorDestructibleInterface {
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protected $chunkHandle;
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protected $byteStart;
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protected $byteEnd;
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protected $dataFilePHID;
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private $dataFile = self::ATTACHABLE;
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protected function getConfiguration() {
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return array(
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self::CONFIG_TIMESTAMPS => false,
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self::CONFIG_COLUMN_SCHEMA => array(
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'chunkHandle' => 'bytes12',
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'byteStart' => 'uint64',
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'byteEnd' => 'uint64',
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'dataFilePHID' => 'phid?',
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),
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self::CONFIG_KEY_SCHEMA => array(
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'key_file' => array(
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'columns' => array('chunkHandle', 'byteStart', 'byteEnd'),
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),
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'key_data' => array(
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'columns' => array('dataFilePHID'),
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),
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),
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) + parent::getConfiguration();
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}
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public static function newChunkHandle() {
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$seed = Filesystem::readRandomBytes(64);
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return PhabricatorHash::digestForIndex($seed);
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}
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public static function initializeNewChunk($handle, $start, $end) {
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return id(new PhabricatorFileChunk())
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->setChunkHandle($handle)
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->setByteStart($start)
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->setByteEnd($end);
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}
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public function attachDataFile(PhabricatorFile $file = null) {
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$this->dataFile = $file;
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return $this;
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}
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public function getDataFile() {
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return $this->assertAttached($this->dataFile);
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}
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/* -( PhabricatorPolicyInterface )----------------------------------------- */
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public function getCapabilities() {
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return array(
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PhabricatorPolicyCapability::CAN_VIEW,
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);
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}
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public function getPolicy($capability) {
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// These objects are low-level and only accessed through the storage
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// engine, so policies are mostly just in place to let us use the common
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// query infrastructure.
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return PhabricatorPolicies::getMostOpenPolicy();
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}
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public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
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return false;
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}
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public function describeAutomaticCapability($capability) {
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return null;
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}
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/* -( PhabricatorDestructibleInterface )----------------------------------- */
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public function destroyObjectPermanently(
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PhabricatorDestructionEngine $engine) {
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$data_phid = $this->getDataFilePHID();
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if ($data_phid) {
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$data_file = id(new PhabricatorFileQuery())
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->setViewer($engine->getViewer())
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->withPHIDs(array($data_phid))
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->executeOne();
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if ($data_file) {
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$engine->destroyObject($data_file);
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}
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}
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$this->delete();
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}
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}
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