diff options
Diffstat (limited to 'app/src')
10 files changed, 314 insertions, 12 deletions
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml index c86ec8f..020d62d 100644 --- a/app/src/main/AndroidManifest.xml +++ b/app/src/main/AndroidManifest.xml | |||
@@ -81,6 +81,10 @@ | |||
81 | </intent-filter> | 81 | </intent-filter> |
82 | </service> | 82 | </service> |
83 | 83 | ||
84 | <service | ||
85 | android:name="org.pacien.tincapp.service.ConfigurationFtpService"> | ||
86 | </service> | ||
87 | |||
84 | </application> | 88 | </application> |
85 | 89 | ||
86 | </manifest> | 90 | </manifest> |
diff --git a/app/src/main/java/org/pacien/tincapp/activities/configure/ConfigurationFtpServerFragment.kt b/app/src/main/java/org/pacien/tincapp/activities/configure/ConfigurationFtpServerFragment.kt new file mode 100644 index 0000000..b97a15e --- /dev/null +++ b/app/src/main/java/org/pacien/tincapp/activities/configure/ConfigurationFtpServerFragment.kt | |||
@@ -0,0 +1,72 @@ | |||
1 | /* | ||
2 | * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon | ||
3 | * Copyright (C) 2017-2020 Pacien TRAN-GIRARD | ||
4 | * | ||
5 | * This program is free software: you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation, either version 3 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | |||
19 | package org.pacien.tincapp.activities.configure | ||
20 | |||
21 | import android.content.Intent | ||
22 | import android.os.Bundle | ||
23 | import android.view.LayoutInflater | ||
24 | import android.view.View | ||
25 | import android.view.ViewGroup | ||
26 | import androidx.databinding.Observable | ||
27 | import androidx.databinding.ObservableBoolean | ||
28 | import org.pacien.tincapp.activities.BaseFragment | ||
29 | import org.pacien.tincapp.databinding.ConfigureToolsConfigurationFtpServerFragmentBinding | ||
30 | import org.pacien.tincapp.service.ConfigurationFtpService | ||
31 | |||
32 | /** | ||
33 | * @author pacien | ||
34 | */ | ||
35 | class ConfigurationFtpServerFragment : BaseFragment() { | ||
36 | private val ftpServerStartListener = object : Observable.OnPropertyChangedCallback() { | ||
37 | override fun onPropertyChanged(sender: Observable, propertyId: Int) { | ||
38 | binding.ftpEnabled = (sender as ObservableBoolean).get() | ||
39 | } | ||
40 | } | ||
41 | |||
42 | private lateinit var binding: ConfigureToolsConfigurationFtpServerFragmentBinding | ||
43 | |||
44 | override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View { | ||
45 | binding = ConfigureToolsConfigurationFtpServerFragmentBinding.inflate(inflater, container, false) | ||
46 | binding.ftpUsername = ConfigurationFtpService.FTP_USERNAME | ||
47 | binding.ftpPassword = ConfigurationFtpService.FTP_PASSWORD | ||
48 | binding.ftpPort = ConfigurationFtpService.FTP_PORT | ||
49 | binding.toggleFtpState = { toggleServer() } | ||
50 | return binding.root | ||
51 | } | ||
52 | |||
53 | override fun onResume() { | ||
54 | super.onResume() | ||
55 | ConfigurationFtpService.runningState.addOnPropertyChangedCallback(ftpServerStartListener) | ||
56 | binding.ftpEnabled = ConfigurationFtpService.runningState.get() | ||
57 | } | ||
58 | |||
59 | override fun onPause() { | ||
60 | ConfigurationFtpService.runningState.removeOnPropertyChangedCallback(ftpServerStartListener) | ||
61 | super.onPause() | ||
62 | } | ||
63 | |||
64 | private fun toggleServer() { | ||
65 | val targetServiceIntent = Intent(requireContext(), ConfigurationFtpService::class.java) | ||
66 | |||
67 | if (binding.ftpEnabled) | ||
68 | requireContext().stopService(targetServiceIntent) | ||
69 | else | ||
70 | requireContext().startService(targetServiceIntent) | ||
71 | } | ||
72 | } | ||
diff --git a/app/src/main/java/org/pacien/tincapp/service/ConfigurationFtpService.kt b/app/src/main/java/org/pacien/tincapp/service/ConfigurationFtpService.kt new file mode 100644 index 0000000..c562768 --- /dev/null +++ b/app/src/main/java/org/pacien/tincapp/service/ConfigurationFtpService.kt | |||
@@ -0,0 +1,128 @@ | |||
1 | /* | ||
2 | * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon | ||
3 | * Copyright (C) 2017-2020 Pacien TRAN-GIRARD | ||
4 | * | ||
5 | * This program is free software: you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation, either version 3 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | |||
19 | package org.pacien.tincapp.service | ||
20 | |||
21 | import android.app.Service | ||
22 | import android.content.Intent | ||
23 | import android.os.IBinder | ||
24 | import androidx.databinding.ObservableBoolean | ||
25 | import org.apache.ftpserver.FtpServer | ||
26 | import org.apache.ftpserver.FtpServerFactory | ||
27 | import org.apache.ftpserver.ftplet.* | ||
28 | import org.apache.ftpserver.listener.ListenerFactory | ||
29 | import org.apache.ftpserver.usermanager.UsernamePasswordAuthentication | ||
30 | import org.apache.ftpserver.usermanager.impl.WritePermission | ||
31 | import org.pacien.tincapp.R | ||
32 | import org.pacien.tincapp.context.App | ||
33 | import org.pacien.tincapp.extensions.Java.defaultMessage | ||
34 | import org.slf4j.LoggerFactory | ||
35 | import java.io.IOException | ||
36 | |||
37 | /** | ||
38 | * FTP server service allowing a remote and local user to access and modify configuration files in | ||
39 | * the application's context. | ||
40 | * | ||
41 | * @author pacien | ||
42 | */ | ||
43 | class ConfigurationFtpService : Service() { | ||
44 | companion object { | ||
45 | const val FTP_PORT = 65521 // tinc port `concat` FTP port | ||
46 | const val FTP_USERNAME = "tincapp" | ||
47 | val FTP_HOME_DIR = App.getContext().applicationInfo.dataDir!! | ||
48 | val FTP_PASSWORD = generateRandomString(8) | ||
49 | |||
50 | val runningState = ObservableBoolean(false) | ||
51 | |||
52 | private fun generateRandomString(length: Int): String { | ||
53 | val alphabet = ('a'..'z') + ('A'..'Z') + ('0'..'9') | ||
54 | return List(length) { alphabet.random() }.joinToString("") | ||
55 | } | ||
56 | } | ||
57 | |||
58 | private val log by lazy { LoggerFactory.getLogger(this.javaClass)!! } | ||
59 | private var sftpServer: FtpServer? = null | ||
60 | |||
61 | override fun onBind(intent: Intent): IBinder? = null // non-bindable service | ||
62 | |||
63 | override fun onDestroy() { | ||
64 | sftpServer?.stop() | ||
65 | sftpServer = null | ||
66 | runningState.set(false) | ||
67 | log.info("Stopped FTP server") | ||
68 | super.onDestroy() | ||
69 | } | ||
70 | |||
71 | override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int { | ||
72 | val ftpUser = StaticFtpUser(FTP_USERNAME, FTP_PASSWORD, FTP_HOME_DIR, listOf(WritePermission())) | ||
73 | sftpServer = setupSingleUserServer(ftpUser).also { | ||
74 | try { | ||
75 | it.start() | ||
76 | runningState.set(true) | ||
77 | log.info("Started FTP server on port {}", FTP_PORT) | ||
78 | } catch (e: IOException) { | ||
79 | log.error("Could not start FTP server", e) | ||
80 | App.alert(R.string.notification_error_title_unable_to_start_ftp_server, e.defaultMessage()) | ||
81 | } | ||
82 | } | ||
83 | |||
84 | return START_NOT_STICKY | ||
85 | } | ||
86 | |||
87 | private fun setupSingleUserServer(ftpUser: User): FtpServer { | ||
88 | return FtpServerFactory() | ||
89 | .apply { addListener("default", ListenerFactory().apply { port = FTP_PORT }.createListener()) } | ||
90 | .apply { userManager = StaticFtpUserManager(listOf(ftpUser)) } | ||
91 | .createServer() | ||
92 | } | ||
93 | |||
94 | private class StaticFtpUserManager(users: List<User>) : UserManager { | ||
95 | private val userMap: Map<String, User> = users.map { it.name to it }.toMap() | ||
96 | override fun getUserByName(username: String?): User? = userMap[username] | ||
97 | override fun getAllUserNames(): Array<String> = userMap.keys.toTypedArray() | ||