ssh-auth-key.php
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ssh-auth-key.php
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	#!/usr/bin/env php
	<?php

	$root = dirname(dirname(dirname(__FILE__)));
	require_once $root.'/scripts/__init_script__.php';

	try {
	$cert = file_get_contents('php://stdin');
	$public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($cert);
	} catch (Exception $ex) {
	exit(1);
	}

	$key = id(new PhabricatorAuthSSHKeyQuery())
	->setViewer(PhabricatorUser::getOmnipotentUser())
	->withKeys(array($public_key))
	->executeOne();
	if (!$key) {
	exit(1);
	}

	$object = $key->getObject();
	if (!($object instanceof PhabricatorUser)) {
	exit(1);
	}

	$bin = $root.'/bin/ssh-exec';
	$cmd = csprintf('%s --phabricator-ssh-user %s', $bin, $object->getUsername());
	// This is additional escaping for the SSH 'command="..."' string.
	$cmd = addcslashes($cmd, '"\\');

	$options = array(
	'command="'.$cmd.'"',
	'no-port-forwarding',
	'no-X11-forwarding',
	'no-agent-forwarding',
	'no-pty',
	);

	echo implode(',', $options);
	exit(0);