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DiffusionFileFutureQuery.php
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Created
Tue, Apr 22, 13:39

DiffusionFileFutureQuery.php
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<?php
abstract class DiffusionFileFutureQuery
extends DiffusionQuery {
private $timeout;
private $byteLimit;
private $didHitByteLimit = false;
private $didHitTimeLimit = false;
public static function getConduitParameters() {
return array(
'timeout' => 'optional int',
'byteLimit' => 'optional int',
);
}
public function setTimeout($timeout) {
$this->timeout = $timeout;
return $this;
}
public function getTimeout() {
return $this->timeout;
}
public function setByteLimit($byte_limit) {
$this->byteLimit = $byte_limit;
return $this;
}
public function getByteLimit() {
return $this->byteLimit;
}
final public function getExceededByteLimit() {
return $this->didHitByteLimit;
}
final public function getExceededTimeLimit() {
return $this->didHitTimeLimit;
}
abstract protected function newQueryFuture();
final public function respondToConduitRequest(ConduitAPIRequest $request) {
$drequest = $this->getRequest();
$timeout = $request->getValue('timeout');
if ($timeout) {
$this->setTimeout($timeout);
}
$byte_limit = $request->getValue('byteLimit');
if ($byte_limit) {
$this->setByteLimit($byte_limit);
}
$file = $this->execute();
$too_slow = (bool)$this->getExceededTimeLimit();
$too_huge = (bool)$this->getExceededByteLimit();
$file_phid = null;
if (!$too_slow && !$too_huge) {
$repository = $drequest->getRepository();
$repository_phid = $repository->getPHID();
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
$file->attachToObject($repository_phid);
unset($unguarded);
$file_phid = $file->getPHID();
}
return array(
'tooSlow' => $too_slow,
'tooHuge' => $too_huge,
'filePHID' => $file_phid,
);
}
final public function executeInline() {
$future = $this->newConfiguredQueryFuture();
list($stdout) = $future->resolvex();
return $stdout;
}
final protected function executeQuery() {
$future = $this->newConfiguredQueryFuture();
$drequest = $this->getRequest();
$name = basename($drequest->getPath());
$relative_ttl = phutil_units('48 hours in seconds');
try {
$threshold = PhabricatorFileStorageEngine::getChunkThreshold();
$future->setReadBufferSize($threshold);
$source = id(new PhabricatorExecFutureFileUploadSource())
->setName($name)
->setRelativeTTL($relative_ttl)
->setViewPolicy(PhabricatorPolicies::POLICY_NOONE)
->setExecFuture($future);
$byte_limit = $this->getByteLimit();
if ($byte_limit) {
$source->setByteLimit($byte_limit);
}
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
$file = $source->uploadFile();
unset($unguarded);
} catch (CommandException $ex) {
if (!$future->getWasKilledByTimeout()) {
throw $ex;
}
$this->didHitTimeLimit = true;
$file = null;
} catch (PhabricatorFileUploadSourceByteLimitException $ex) {
$this->didHitByteLimit = true;
$file = null;
}
return $file;
}
private function newConfiguredQueryFuture() {
$future = $this->newQueryFuture();
if ($this->getTimeout()) {
$future->setTimeout($this->getTimeout());
}
return $future;
}
}

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