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DrydockSSHCommandInterface.php
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Created
Fri, Apr 18, 19:02

DrydockSSHCommandInterface.php
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<?php
final class DrydockSSHCommandInterface extends DrydockCommandInterface {
private $passphraseSSHKey;
private function openCredentialsIfNotOpen() {
if ($this->passphraseSSHKey !== null) {
return;
}
$credential = id(new PassphraseCredentialQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->withIDs(array($this->getConfig('credential')))
->needSecrets(true)
->executeOne();
if ($credential->getProvidesType() !==
PassphraseCredentialTypeSSHPrivateKey::PROVIDES_TYPE) {
throw new Exception("Only private key credentials are supported.");
}
$this->passphraseSSHKey = PassphraseSSHKey::loadFromPHID(
$credential->getPHID(),
PhabricatorUser::getOmnipotentUser());
}
public function getExecFuture($command) {
$this->openCredentialsIfNotOpen();
$argv = func_get_args();
// This assumes there's a UNIX shell living at the other
// end of the connection, which isn't the case for Windows machines.
if ($this->getConfig('platform') !== 'windows') {
$argv = $this->applyWorkingDirectoryToArgv($argv);
}
$full_command = call_user_func_array('csprintf', $argv);
if ($this->getConfig('platform') === 'windows') {
// On Windows platforms we need to execute cmd.exe explicitly since
// most commands are not really executables.
$full_command = 'C:\\Windows\\system32\\cmd.exe /C '.$full_command;
}
return new ExecFuture(
'ssh -o StrictHostKeyChecking=no -p %s -i %P %P@%s -- %s',
$this->getConfig('port'),
$this->passphraseSSHKey->getKeyfileEnvelope(),
$this->passphraseSSHKey->getUsernameEnvelope(),
$this->getConfig('host'),
$full_command);
}
}

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