SftpClient.kt 2.2 KB
Newer Older
Jonas Waeber's avatar
Jonas Waeber committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/*
 * sftp-reader
 * Copyright (C) 2020 Memoriav
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package org.memobase

import net.schmizz.sshj.SSHClient
import net.schmizz.sshj.sftp.*
import net.schmizz.sshj.userauth.UserAuthException
import org.apache.logging.log4j.LogManager
Jonas Waeber's avatar
Jonas Waeber committed
25
import java.io.File
Jonas Waeber's avatar
Jonas Waeber committed
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
import kotlin.system.exitProcess

class SftpClient(sftpSettings: Map<String, String>) {
    private val log = LogManager.getLogger("SftpClient")
    private val ssh = SSHClient()
    private val instance: SFTPClient
    init {
        ssh.loadKnownHosts()
        ssh.addHostKeyVerifier(sftpSettings["fingerprint"])
        ssh.connect(sftpSettings["host"])
        try {
            ssh.authPassword(sftpSettings["user"], sftpSettings["password"])
            instance = ssh.newSFTPClient()
        } catch (ex: UserAuthException) {
            log.error("Invalid user authentication supplied.")
            exitProcess(1)
        } catch (ex: Exception) {
            ex.printStackTrace()
            log.error(ex.localizedMessage)
            exitProcess(1)
        }
    }




    fun listFiles(path: String): List<String> {
        return ls(path).filter { fileAttributes(it).mode.type == FileMode.Type.REGULAR }
    }

Jonas Waeber's avatar
Jonas Waeber committed
56
57
    fun open(file: File): RemoteFile {
        return instance.open(file.path, setOf(OpenMode.READ))
Jonas Waeber's avatar
Jonas Waeber committed
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
    }



    private fun fileAttributes(path: String): FileAttributes {
        return instance.lstat(path)
    }

    private fun ls(path: String): List<String> {
        return instance.ls(path).map { it.path }
    }


    fun close() {
        instance.close()
        ssh.disconnect()
    }

}