gitbucket.core.ssh.SshUtil.scala Maven / Gradle / Ivy
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package gitbucket.core.ssh
import java.security.PublicKey
import java.util.Base64
import org.apache.sshd.common.config.keys.KeyUtils
import org.apache.sshd.common.util.buffer.ByteArrayBuffer
import org.eclipse.jgit.lib.Constants
import org.slf4j.LoggerFactory
object SshUtil {
private val logger = LoggerFactory.getLogger(SshUtil.getClass)
def str2PublicKey(key: String): Option[PublicKey] = {
// TODO RFC 4716 Public Key is not supported...
val parts = key.split(" ")
if (parts.size < 2) {
logger.debug(s"Invalid PublicKey Format: ${key}")
None
} else {
try {
val encodedKey = parts(1)
val decode = Base64.getDecoder.decode(Constants.encodeASCII(encodedKey))
Some(new ByteArrayBuffer(decode).getRawPublicKey)
} catch {
case e: Throwable =>
logger.debug(e.getMessage, e)
None
}
}
}
def fingerPrint(key: String): Option[String] =
str2PublicKey(key) map KeyUtils.getFingerPrint
}