1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
* Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
* SPDX-License-Identifier: GPL-3.0-only
*/
package com.zeapo.pwdstore.git
import android.annotation.SuppressLint
import android.app.Activity
import android.content.Intent
import android.view.LayoutInflater
import androidx.core.content.edit
import androidx.preference.PreferenceManager
import com.google.android.material.checkbox.MaterialCheckBox
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.textfield.TextInputEditText
import com.jcraft.jsch.JSch
import com.jcraft.jsch.JSchException
import com.jcraft.jsch.KeyPair
import com.zeapo.pwdstore.R
import com.zeapo.pwdstore.UserPreference
import com.zeapo.pwdstore.git.config.ConnectionMode
import com.zeapo.pwdstore.git.config.GitConfigSessionFactory
import com.zeapo.pwdstore.git.config.SshApiSessionFactory
import com.zeapo.pwdstore.git.config.SshConfigSessionFactory
import com.zeapo.pwdstore.utils.PasswordRepository
import com.zeapo.pwdstore.utils.getEncryptedPrefs
import com.zeapo.pwdstore.utils.requestInputFocusOnView
import org.eclipse.jgit.api.GitCommand
import org.eclipse.jgit.lib.Repository
import org.eclipse.jgit.transport.SshSessionFactory
import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider
import java.io.File
/**
* Creates a new git operation
*
* @param fileDir the git working tree directory
* @param callingActivity the calling activity
*/
abstract class GitOperation(fileDir: File, internal val callingActivity: Activity) {
protected val repository: Repository? = PasswordRepository.getRepository(fileDir)
internal var provider: UsernamePasswordCredentialsProvider? = null
internal var command: GitCommand<*>? = null
/**
* Sets the authentication using user/pwd scheme
*
* @param username the username
* @param password the password
* @return the current object
*/
internal open fun setAuthentication(username: String, password: String): GitOperation {
SshSessionFactory.setInstance(GitConfigSessionFactory())
this.provider = UsernamePasswordCredentialsProvider(username, password)
return this
}
/**
* Sets the authentication using ssh-key scheme
*
* @param sshKey the ssh-key file
* @param username the username
* @param passphrase the passphrase
* @return the current object
*/
internal open fun setAuthentication(sshKey: File, username: String, passphrase: String): GitOperation {
val sessionFactory = SshConfigSessionFactory(sshKey.absolutePath, username, passphrase)
SshSessionFactory.setInstance(sessionFactory)
this.provider = null
return this
}
/**
* Sets the authentication using OpenKeystore scheme
*
* @param identity The identiy to use
* @return the current object
*/
private fun setAuthentication(username: String, identity: SshApiSessionFactory.ApiIdentity?): GitOperation {
SshSessionFactory.setInstance(SshApiSessionFactory(username, identity))
this.provider = null
return this
}
/**
* Executes the GitCommand in an async task
*/
abstract fun execute()
/**
* Executes the GitCommand in an async task after creating the authentication
*
* @param connectionMode the server-connection mode
* @param username the username
* @param sshKey the ssh-key file to use in ssh-key connection mode
* @param identity the api identity to use for auth in OpenKeychain connection mode
*/
fun executeAfterAuthentication(
connectionMode: ConnectionMode,
username: String,
sshKey: File?,
identity: SshApiSessionFactory.ApiIdentity?
) {
executeAfterAuthentication(connectionMode, username, sshKey, identity, false)
}
/**
* Executes the GitCommand in an async task after creating the authentication
*
* @param connectionMode the server-connection mode
* @param username the username
* @param sshKey the ssh-key file to use in ssh-key connection mode
* @param identity the api identity to use for auth in OpenKeychain connection mode
* @param showError show the passphrase edit text in red
*/
private fun executeAfterAuthentication(
connectionMode: ConnectionMode,
username: String,
sshKey: File?,
identity: SshApiSessionFactory.ApiIdentity?,
showError: Boolean
) {
val encryptedSettings = callingActivity.applicationContext.getEncryptedPrefs("git_operation")
when (connectionMode) {
ConnectionMode.SshKey -> {
if (sshKey == null || !sshKey.exists()) {
MaterialAlertDialogBuilder(callingActivity)
.setMessage(callingActivity.resources.getString(R.string.ssh_preferences_dialog_text))
.setTitle(callingActivity.resources.getString(R.string.ssh_preferences_dialog_title))
.setPositiveButton(callingActivity.resources.getString(R.string.ssh_preferences_dialog_import)) { _, _ ->
try {
// Ask the UserPreference to provide us with the ssh-key
// onResult has to be handled by the callingActivity
val intent = Intent(callingActivity.applicationContext, UserPreference::class.java)
intent.putExtra("operation", "get_ssh_key")
callingActivity.startActivityForResult(intent, GET_SSH_KEY_FROM_CLONE)
} catch (e: Exception) {
println("Exception caught :(")
e.printStackTrace()
}
}
.setNegativeButton(callingActivity.resources.getString(R.string.ssh_preferences_dialog_generate)) { _, _ ->
try {
// Duplicated code
val intent = Intent(callingActivity.applicationContext, UserPreference::class.java)
intent.putExtra("operation", "make_ssh_key")
callingActivity.startActivityForResult(intent, GET_SSH_KEY_FROM_CLONE)
} catch (e: Exception) {
println("Exception caught :(")
e.printStackTrace()
}
}
.setNeutralButton(callingActivity.resources.getString(R.string.dialog_cancel)) { _, _ ->
// Finish the blank GitActivity so user doesn't have to press back
callingActivity.finish()
}.show()
} else {
val layoutInflater = LayoutInflater.from(callingActivity)
@SuppressLint("InflateParams") val dialogView = layoutInflater.inflate(R.layout.git_passphrase_layout, null)
val passphrase = dialogView.findViewById<TextInputEditText>(R.id.git_auth_passphrase)
val sshKeyPassphrase = encryptedSettings.getString("ssh_key_local_passphrase", null)
if (showError) {
passphrase.error = callingActivity.resources.getString(R.string.git_operation_wrong_passphrase)
}
val jsch = JSch()
try {
val keyPair = KeyPair.load(jsch, callingActivity.filesDir.toString() + "/.ssh_key")
if (keyPair.isEncrypted) {
if (sshKeyPassphrase != null && sshKeyPassphrase.isNotEmpty()) {
if (keyPair.decrypt(sshKeyPassphrase)) {
// Authenticate using the ssh-key and then execute the command
setAuthentication(sshKey, username, sshKeyPassphrase).execute()
} else {
// call back the method
executeAfterAuthentication(connectionMode, username, sshKey, identity, true)
}
} else {
val dialog = MaterialAlertDialogBuilder(callingActivity)
.setTitle(callingActivity.resources.getString(R.string.passphrase_dialog_title))
.setMessage(callingActivity.resources.getString(R.string.passphrase_dialog_text))
.setView(dialogView)
.setPositiveButton(callingActivity.resources.getString(R.string.dialog_ok)) { _, _ ->
if (keyPair.decrypt(passphrase.text.toString())) {
if (dialogView.findViewById<MaterialCheckBox>(R.id.git_auth_remember_passphrase).isChecked) {
encryptedSettings.edit { putString("ssh_key_local_passphrase", passphrase.text.toString()) }
}
// Authenticate using the ssh-key and then execute the command
setAuthentication(sshKey, username, passphrase.text.toString()).execute()
} else {
encryptedSettings.edit { putString("ssh_key_local_passphrase", null) }
// call back the method
executeAfterAuthentication(connectionMode, username, sshKey, identity, true)
}
}
.setNegativeButton(callingActivity.resources.getString(R.string.dialog_cancel)) { _, _ ->
callingActivity.finish()
}
.setOnCancelListener { callingActivity.finish() }
.create()
dialog.requestInputFocusOnView<TextInputEditText>(R.id.git_auth_passphrase)
dialog.show()
}
} else {
setAuthentication(sshKey, username, "").execute()
}
} catch (e: JSchException) {
e.printStackTrace()
MaterialAlertDialogBuilder(callingActivity)
.setTitle(callingActivity.resources.getString(R.string.git_operation_unable_to_open_ssh_key_title))
.setMessage(callingActivity.resources.getString(R.string.git_operation_unable_to_open_ssh_key_message))
.setPositiveButton(callingActivity.resources.getString(R.string.dialog_ok)) { _, _ ->
callingActivity.finish()
}
.show()
}
}
}
ConnectionMode.OpenKeychain -> {
setAuthentication(username, identity).execute()
}
ConnectionMode.Password -> {
@SuppressLint("InflateParams") val dialogView = callingActivity.layoutInflater.inflate(R.layout.git_passphrase_layout, null)
val passwordView = dialogView.findViewById<TextInputEditText>(R.id.git_auth_passphrase)
val password = encryptedSettings.getString("https_password", null)
if (password != null && password.isNotEmpty()) {
setAuthentication(username, password).execute()
} else {
val dialog = MaterialAlertDialogBuilder(callingActivity)
.setTitle(callingActivity.resources.getString(R.string.passphrase_dialog_title))
.setMessage(callingActivity.resources.getString(R.string.password_dialog_text))
.setView(dialogView)
.setPositiveButton(callingActivity.resources.getString(R.string.dialog_ok)) { _, _ ->
if (dialogView.findViewById<MaterialCheckBox>(R.id.git_auth_remember_passphrase).isChecked) {
encryptedSettings.edit { putString("https_password", passwordView.text.toString()) }
}
// authenticate using the user/pwd and then execute the command
setAuthentication(username, passwordView.text.toString()).execute()
}
.setNegativeButton(callingActivity.resources.getString(R.string.dialog_cancel)) { _, _ ->
callingActivity.finish()
}
.setOnCancelListener { callingActivity.finish() }
.create()
dialog.requestInputFocusOnView<TextInputEditText>(R.id.git_auth_passphrase)
dialog.show()
}
}
ConnectionMode.None -> {
execute()
}
}
}
/**
* Action to execute on error
*/
open fun onError(errorMessage: String) {
// Clear various auth related fields on failure
if (SshSessionFactory.getInstance() is SshApiSessionFactory) {
PreferenceManager.getDefaultSharedPreferences(callingActivity.applicationContext)
.edit { putString("ssh_openkeystore_keyid", null) }
callingActivity.applicationContext
.getEncryptedPrefs("git_operation")
.edit { remove("ssh_key_local_passphrase") }
} else if (SshSessionFactory.getInstance() is GitConfigSessionFactory) {
callingActivity.applicationContext
.getEncryptedPrefs("git_operation")
.edit { remove("https_password") }
}
}
/**
* Action to execute on success
*/
open fun onSuccess() {}
companion object {
const val GET_SSH_KEY_FROM_CLONE = 201
}
}
|
