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
|
/*
* 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.content.Intent
import android.content.SharedPreferences
import android.os.Bundle
import android.view.MenuItem
import androidx.annotation.CallSuper
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.edit
import androidx.core.text.isDigitsOnly
import androidx.preference.PreferenceManager
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.zeapo.pwdstore.git.config.ConnectionMode
import com.zeapo.pwdstore.git.config.Protocol
import com.zeapo.pwdstore.git.config.SshApiSessionFactory
import com.zeapo.pwdstore.utils.PasswordRepository
import com.zeapo.pwdstore.utils.getEncryptedPrefs
import java.io.File
import timber.log.Timber
/**
* Abstract AppCompatActivity that holds some information that is commonly shared across git-related
* tasks and makes sense to be held here.
*/
abstract class BaseGitActivity : AppCompatActivity() {
lateinit var protocol: Protocol
lateinit var connectionMode: ConnectionMode
lateinit var url: String
lateinit var serverHostname: String
lateinit var serverPort: String
lateinit var serverUser: String
lateinit var serverPath: String
lateinit var username: String
lateinit var email: String
var identityBuilder: SshApiSessionFactory.IdentityBuilder? = null
var identity: SshApiSessionFactory.ApiIdentity? = null
lateinit var settings: SharedPreferences
private set
private lateinit var encryptedSettings: SharedPreferences
@CallSuper
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
settings = PreferenceManager.getDefaultSharedPreferences(this)
encryptedSettings = getEncryptedPrefs("git_operation")
protocol = Protocol.fromString(settings.getString("git_remote_protocol", null))
connectionMode = ConnectionMode.fromString(settings.getString("git_remote_auth", null))
serverHostname = settings.getString("git_remote_server", null) ?: ""
serverPort = settings.getString("git_remote_port", null) ?: ""
serverUser = settings.getString("git_remote_username", null) ?: ""
serverPath = settings.getString("git_remote_location", null) ?: ""
username = settings.getString("git_config_user_name", null) ?: ""
email = settings.getString("git_config_user_email", null) ?: ""
updateUrl()
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
android.R.id.home -> {
finish()
true
}
else -> super.onOptionsItemSelected(item)
}
}
@CallSuper
override fun onDestroy() {
// Do not leak the service connection
if (identityBuilder != null) {
identityBuilder!!.close()
identityBuilder = null
}
super.onDestroy()
}
/**
* Update the [url] field with the values that build it up. This function returns a boolean
* indicating whether or not the values are likely valid or not, and only adds the `origin`
* remote when it is. This check is not perfect, it is mostly meant to catch typos.
*/
fun updateUrl(): Boolean {
if (serverHostname.isEmpty() || !serverPort.isDigitsOnly())
return false
val previousUrl = if (::url.isInitialized) url else ""
val hostnamePart = serverHostname
val pathPart = if (serverPath.startsWith('/')) serverPath else "/$serverPath"
url = when (protocol) {
Protocol.Ssh -> {
val userPart = if (serverUser.isEmpty()) "" else "$serverUser@"
val portPart =
if (serverPort == "22" || serverPort.isEmpty()) "" else ":$serverPort"
// We have to specify the ssh scheme as this is the only way to pass a custom port.
"ssh://$userPart$hostnamePart$portPart$pathPart"
}
Protocol.Https -> {
val portPart =
if (serverPort == "443" || serverPort.isEmpty()) "" else ":$serverPort"
"https://$hostnamePart$portPart$pathPart"
}
}
if (PasswordRepository.isInitialized)
PasswordRepository.addRemote("origin", url, true)
// HTTPS authentication sends the password to the server, so we must wipe the password when
// the server is changed.
if (url != previousUrl && protocol == Protocol.Https)
encryptedSettings.edit { remove("https_password") }
return true
}
/**
* Attempt to launch the requested Git operation. Depending on the configured auth, it may not
* be possible to launch the operation immediately. In that case, this function may launch an
* intermediate activity instead, which will gather necessary information and post it back via
* onActivityResult, which will then re-call this function. This may happen multiple times,
* until either an error is encountered or the operation is successfully launched.
*
* @param operation The type of git operation to launch
*/
fun launchGitOperation(operation: Int) {
val op: GitOperation
val localDir = requireNotNull(PasswordRepository.getRepositoryDirectory(this))
try {
// Before launching the operation with OpenKeychain auth, we need to issue several requests
// to the OpenKeychain API. IdentityBuild will take care of launching the relevant intents,
// we just need to keep calling it until it returns a completed ApiIdentity.
if (connectionMode == ConnectionMode.OpenKeychain && identity == null) {
// Lazy initialization of the IdentityBuilder
if (identityBuilder == null) {
identityBuilder = SshApiSessionFactory.IdentityBuilder(this)
}
// Try to get an ApiIdentity and bail if one is not ready yet. The builder will ensure
// that onActivityResult is called with operation again, which will re-invoke us here
identity = identityBuilder!!.tryBuild(operation)
if (identity == null)
return
}
op = when (operation) {
REQUEST_CLONE, GitOperation.GET_SSH_KEY_FROM_CLONE -> CloneOperation(localDir, this).setCommand(url)
REQUEST_PULL -> PullOperation(localDir, this).setCommand()
REQUEST_PUSH -> PushOperation(localDir, this).setCommand()
REQUEST_SYNC -> SyncOperation(localDir, this).setCommands()
BREAK_OUT_OF_DETACHED -> BreakOutOfDetached(localDir, this).setCommands()
REQUEST_RESET -> ResetToRemoteOperation(localDir, this).setCommands()
SshApiSessionFactory.POST_SIGNATURE -> return
else -> {
Timber.tag(TAG).e("Operation not recognized : $operation")
setResult(RESULT_CANCELED)
finish()
return
}
}
op.executeAfterAuthentication(connectionMode, serverUser,
File("$filesDir/.ssh_key"), identity)
} catch (e: Exception) {
e.printStackTrace()
MaterialAlertDialogBuilder(this).setMessage(e.message).show()
}
}
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
// In addition to the pre-operation-launch series of intents for OpenKeychain auth
// that will pass through here and back to launchGitOperation, there is one
// synchronous operation that happens /after/ the operation has been launched in the
// background thread - the actual signing of the SSH challenge. We pass through the
// completed signature to the ApiIdentity, which will be blocked in the other thread
// waiting for it.
if (requestCode == SshApiSessionFactory.POST_SIGNATURE && identity != null) {
identity!!.postSignature(data)
// If the signature failed (usually because it was cancelled), reset state
if (data == null) {
identity = null
identityBuilder = null
}
return
}
if (resultCode == RESULT_CANCELED) {
setResult(RESULT_CANCELED)
finish()
} else if (resultCode == RESULT_OK) {
// If an operation has been re-queued via this mechanism, let the
// IdentityBuilder attempt to extract some updated state from the intent before
// trying to re-launch the operation.
if (identityBuilder != null) {
identityBuilder!!.consume(data)
}
launchGitOperation(requestCode)
}
super.onActivityResult(requestCode, resultCode, data)
}
companion object {
const val REQUEST_ARG_OP = "OPERATION"
const val REQUEST_PULL = 101
const val REQUEST_PUSH = 102
const val REQUEST_CLONE = 103
const val REQUEST_INIT = 104
const val REQUEST_SYNC = 105
const val BREAK_OUT_OF_DETACHED = 106
const val REQUEST_RESET = 107
const val TAG = "AbstractGitActivity"
}
}
|
