/**
* Install a private key on the remote
*
* @param string $key
* @param string $password
* @throws TransportException
* @throws CredentialException
*/
public function addPrivateKey($key, $password = null)
{
// Send to remote
$key = str_replace("\r\n", "\n", $key);
$fn = md5($key);
$this->createTextFile($key, $fn);
$this->files[] = $fn;
// Check we have the SSH Agent running, start if not
$agent_pid = $this->shell->sendSmartCommand('eval `ssh-agent -s`', true, self::CMD_TIMEOUT, true);
if (!preg_match('/Agent pid [0-9]+/', $agent_pid)) {
throw new CredentialException("SSH Agent required for key pair authentication: " . $agent_pid);
}
// Add to SSH agent on remote
if ($password) {
// ssh-add will ask for a password
$this->shell->sendln('ssh-add ' . $fn);
$out = $this->shell->readUntilExpression("/Enter passphrase for .*: /", self::CMD_TIMEOUT, true);
if (stripos($out, self::PASSPHRASE_HINT) !== false) {
$this->shell->sendln($password);
$this->shell->readUntilEndMarker($this->shell->getSmartMarker());
}
} else {
$out = $this->shell->sendSmartCommand('ssh-add ' . $fn, true, self::CMD_TIMEOUT, true);
if (stripos($out, self::PASSPHRASE_HINT) !== false) {
throw new CredentialException("Private key requires a password, but none provided");
}
}
}
/**
* Remove the smart console marker
*
* @param string $output
* @return string
*/
protected function cleanOutput($output)
{
return str_replace("\n" . $this->shell->getSmartMarker(), '', $this->normaliseEol($output));
}
