SshKeyCreatorImpl.java example

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gerrit-master
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.sshd;

import com.google.gerrit.common.errors.InvalidSshKeyException;
import com.google.gerrit.reviewdb.client.AccountSshKey;
import com.google.gerrit.server.ssh.SshKeyCreator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.spec.InvalidKeySpecException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class SshKeyCreatorImpl implements SshKeyCreator {
  private static final Logger log = LoggerFactory.getLogger(SshKeyCreatorImpl.class);

  @Override
  public AccountSshKey create(AccountSshKey.Id id, String encoded) throws InvalidSshKeyException {
    try {
      AccountSshKey key = new AccountSshKey(id, SshUtil.toOpenSshPublicKey(encoded));
      SshUtil.parse(key);
      return key;
    } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
      throw new InvalidSshKeyException();

    } catch (NoSuchProviderException e) {
      log.error("Cannot parse SSH key", e);
      throw new InvalidSshKeyException();
    }
  }
}