[英]Spring Integration SFTP: Using PrivateKey Credentials
I had a few hickups setting up private keys for Spring Integration SFTP.我为 Spring Integration SFTP 设置了一些私钥。
Thought I may share my findings here.想我可以在这里分享我的发现。
I read elsewhere that I should parameterize the JSch object with the private key.我在别处读到我应该用私钥参数化 JSch 对象。 This, however, is not working :
但是,这不起作用:
private SessionFactory<ChannelSftp.LsEntry> createSftpSessionFactoryForPrivateKeyCredentials(
SftpProperties sftpProperties, String sftpUser, String privateKey) throws JSchException {
byte[] privateKeyBytes = privateKey.getBytes(StandardCharsets.UTF_8);
JSch javaSecureChannel = javaSecureChannelForPrivateKey(privateKeyBytes);
DefaultSftpSessionFactory factory = new DefaultSftpSessionFactory(javaSecureChannel, true);
return setCommonConfigProperties(factory, sftpProperties, sftpUser);
}
private JSch javaSecureChannelForPrivateKey(byte[] privateKey) throws JSchException {
JSch javSecureChannel = new JSch();
javSecureChannel.addIdentity("key", privateKey, /* public key */
null, /* private key password */ null);
return javSecureChannel;
}
Resulting Exception:结果异常:
Caused by: java.lang.IllegalStateException: failed to create SFTP Session
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:404)
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:61)
at org.springframework.integration.file.remote.session.CachingSessionFactory$1.createForPool(CachingSessionFactory.java:85)
at org.springframework.integration.file.remote.session.CachingSessionFactory$1.createForPool(CachingSessionFactory.java:82)
at org.springframework.integration.util.SimplePool.doGetItem(SimplePool.java:200)
at org.springframework.integration.util.SimplePool.getItem(SimplePool.java:181)
... 32 more
Caused by: java.lang.IllegalArgumentException: either a password or a private key is required
at org.springframework.util.Assert.isTrue(Assert.java:121)
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.initJschSession(DefaultSftpSessionFactory.java:418)
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:393)
... 37 more
The solution is to instead set the private key for the session factory:解决方案是改为设置会话工厂的私钥:
DefaultSftpSessionFactory factory = new DefaultSftpSessionFactory(new JSch(), true);
byte[] privateKeyBytes = privateKey.getBytes(StandardCharsets.UTF_8);
factory.setPrivateKey(new ByteArrayResource(privateKeyBytes));
return setCommonConfigProperties(factory, sftpProperties, sftpUser);
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