Differential D17625 Diff 42394 src/applications/files/management/PhabricatorFilesManagementCatWorkflow.php

Changeset View

Standalone View

src/applications/files/management/PhabricatorFilesManagementCatWorkflow.php

Show All 14 Lines	$this
'help' => pht('Begin printing at a specific offset.'),		'help' => pht('Begin printing at a specific offset.'),
),		),
array(		array(
'name' => 'end',		'name' => 'end',
'param' => 'bytes',		'param' => 'bytes',
'help' => pht('End printing at a specific offset.'),		'help' => pht('End printing at a specific offset.'),
),		),
array(		array(
		'name' => 'salvage',
		'help' => pht(
		'DANGEROUS. Attempt to salvage file content even if the '.
		'integrity check fails. If an adversary has tampered with '.
		'the file, the conent may be unsafe.'),
		),
		array(
'name' => 'names',		'name' => 'names',
'wildcard' => true,		'wildcard' => true,
),		),
));		));
}		}

public function execute(PhutilArgumentParser $args) {		public function execute(PhutilArgumentParser $args) {
$console = PhutilConsole::getConsole();		$console = PhutilConsole::getConsole();

$names = $args->getArg('names');		$names = $args->getArg('names');
if (count($names) > 1) {		if (count($names) > 1) {
throw new PhutilArgumentUsageException(		throw new PhutilArgumentUsageException(
pht('Specify exactly one file to print, like "%s".', 'F123'));		pht('Specify exactly one file to print, like "%s".', 'F123'));
} else if (!$names) {		} else if (!$names) {
throw new PhutilArgumentUsageException(		throw new PhutilArgumentUsageException(
pht('Specify a file to print, like "%s".', 'F123'));		pht('Specify a file to print, like "%s".', 'F123'));
}		}

$file = head($this->loadFilesWithNames($names));		$file = head($this->loadFilesWithNames($names));

$begin = $args->getArg('begin');		$begin = $args->getArg('begin');
$end = $args->getArg('end');		$end = $args->getArg('end');

		$file->makeEphemeral();

		// If we're running in "salvage" mode, wipe out any integrity hash which
		// may be present. This makes us read file data without performing an
		// integrity check.
		$salvage = $args->getArg('salvage');
		if ($salvage) {
		$file->setIntegrityHash(null);
		}

		try {
$iterator = $file->getFileDataIterator($begin, $end);		$iterator = $file->getFileDataIterator($begin, $end);
foreach ($iterator as $data) {		foreach ($iterator as $data) {
echo $data;		echo $data;
}		}
		} catch (PhabricatorFileIntegrityException $ex) {
		throw new PhutilArgumentUsageException(
		pht(
		'File data integrity check failed. Use "--salvage" to bypass '.
		'integrity checks. This flag is dangerous, use it at your own '.
		'risk. Underlying error: %s',
		$ex->getMessage()));
		}

return 0;		return 0;
}		}

}		}