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/*
* Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
* SPDX-License-Identifier: GPL-3.0-only
*/
package dev.msfjarvis.aps.util.settings
import androidx.core.content.edit
import com.github.michaelbull.result.getOrElse
import com.github.michaelbull.result.runCatching
import dev.msfjarvis.aps.Application
import dev.msfjarvis.aps.data.repo.PasswordRepository
import dev.msfjarvis.aps.util.extensions.getEncryptedGitPrefs
import dev.msfjarvis.aps.util.extensions.getEncryptedProxyPrefs
import dev.msfjarvis.aps.util.extensions.getString
import dev.msfjarvis.aps.util.extensions.sharedPrefs
import java.io.File
import org.eclipse.jgit.transport.URIish
enum class Protocol(val pref: String) {
Ssh("ssh://"),
Https("https://"),
;
companion object {
private val map = values().associateBy(Protocol::pref)
fun fromString(type: String?): Protocol {
return map[type ?: return Ssh] ?: throw IllegalArgumentException("$type is not a valid Protocol")
}
}
}
enum class AuthMode(val pref: String) {
SshKey("ssh-key"),
Password("username/password"),
OpenKeychain("OpenKeychain"),
None("None"),
;
companion object {
private val map = values().associateBy(AuthMode::pref)
fun fromString(type: String?): AuthMode {
return map[type ?: return SshKey] ?: throw IllegalArgumentException("$type is not a valid AuthMode")
}
}
}
object GitSettings {
private const val DEFAULT_BRANCH = "master"
private val settings by lazy(LazyThreadSafetyMode.PUBLICATION) { Application.instance.sharedPrefs }
private val encryptedSettings by lazy(LazyThreadSafetyMode.PUBLICATION) {
Application.instance.getEncryptedGitPrefs()
}
private val proxySettings by lazy(LazyThreadSafetyMode.PUBLICATION) { Application.instance.getEncryptedProxyPrefs() }
private val hostKeyPath by lazy(LazyThreadSafetyMode.NONE) { "${Application.instance.filesDir}/.host_key" }
var authMode
get() = AuthMode.fromString(settings.getString(PreferenceKeys.GIT_REMOTE_AUTH))
private set(value) {
settings.edit { putString(PreferenceKeys.GIT_REMOTE_AUTH, value.pref) }
}
var url
get() = settings.getString(PreferenceKeys.GIT_REMOTE_URL)
private set(value) {
require(value != null)
if (value == url) return
settings.edit { putString(PreferenceKeys.GIT_REMOTE_URL, value) }
if (PasswordRepository.isInitialized) PasswordRepository.addRemote("origin", value, true)
// When the server changes, remote password, multiplexing support and host key file
// should be deleted/reset.
useMultiplexing = true
encryptedSettings.edit { remove(PreferenceKeys.HTTPS_PASSWORD) }
clearSavedHostKey()
}
var authorName
get() = settings.getString(PreferenceKeys.GIT_CONFIG_AUTHOR_NAME) ?: ""
set(value) {
settings.edit { putString(PreferenceKeys.GIT_CONFIG_AUTHOR_NAME, value) }
}
var authorEmail
get() = settings.getString(PreferenceKeys.GIT_CONFIG_AUTHOR_EMAIL) ?: ""
set(value) {
settings.edit { putString(PreferenceKeys.GIT_CONFIG_AUTHOR_EMAIL, value) }
}
var branch
get() = settings.getString(PreferenceKeys.GIT_BRANCH_NAME) ?: DEFAULT_BRANCH
private set(value) {
settings.edit { putString(PreferenceKeys.GIT_BRANCH_NAME, value) }
}
var useMultiplexing
get() = settings.getBoolean(PreferenceKeys.GIT_REMOTE_USE_MULTIPLEXING, true)
set(value) {
settings.edit { putBoolean(PreferenceKeys.GIT_REMOTE_USE_MULTIPLEXING, value) }
}
var proxyHost
get() = proxySettings.getString(PreferenceKeys.PROXY_HOST)
set(value) {
proxySettings.edit { putString(PreferenceKeys.PROXY_HOST, value) }
}
var proxyPort
get() = proxySettings.getInt(PreferenceKeys.PROXY_PORT, -1)
set(value) {
proxySettings.edit { putInt(PreferenceKeys.PROXY_PORT, value) }
}
var proxyUsername
get() = settings.getString(PreferenceKeys.PROXY_USERNAME)
set(value) {
proxySettings.edit { putString(PreferenceKeys.PROXY_USERNAME, value) }
}
var proxyPassword
get() = proxySettings.getString(PreferenceKeys.PROXY_PASSWORD)
set(value) {
proxySettings.edit { putString(PreferenceKeys.PROXY_PASSWORD, value) }
}
var rebaseOnPull
get() = settings.getBoolean(PreferenceKeys.REBASE_ON_PULL, true)
set(value) {
settings.edit { putBoolean(PreferenceKeys.REBASE_ON_PULL, value) }
}
sealed class UpdateConnectionSettingsResult {
class MissingUsername(val newProtocol: Protocol) : UpdateConnectionSettingsResult()
class AuthModeMismatch(val newProtocol: Protocol, val validModes: List<AuthMode>) :
UpdateConnectionSettingsResult()
object Valid : UpdateConnectionSettingsResult()
object FailedToParseUrl : UpdateConnectionSettingsResult()
}
fun updateConnectionSettingsIfValid(
newAuthMode: AuthMode,
newUrl: String,
newBranch: String
): UpdateConnectionSettingsResult {
val parsedUrl =
runCatching { URIish(newUrl) }.getOrElse {
return UpdateConnectionSettingsResult.FailedToParseUrl
}
val newProtocol =
when (parsedUrl.scheme) {
in listOf("http", "https") -> Protocol.Https
in listOf("ssh", null) -> Protocol.Ssh
else -> return UpdateConnectionSettingsResult.FailedToParseUrl
}
if (newAuthMode != AuthMode.None && parsedUrl.user.isNullOrBlank())
return UpdateConnectionSettingsResult.MissingUsername(newProtocol)
val validHttpsAuth = listOf(AuthMode.None, AuthMode.Password)
val validSshAuth = listOf(AuthMode.OpenKeychain, AuthMode.Password, AuthMode.SshKey)
when {
newProtocol == Protocol.Https && newAuthMode !in validHttpsAuth -> {
return UpdateConnectionSettingsResult.AuthModeMismatch(newProtocol, validHttpsAuth)
}
newProtocol == Protocol.Ssh && newAuthMode !in validSshAuth -> {
return UpdateConnectionSettingsResult.AuthModeMismatch(newProtocol, validSshAuth)
}
}
url = newUrl
authMode = newAuthMode
branch = newBranch
return UpdateConnectionSettingsResult.Valid
}
/** Deletes a previously saved SSH host key */
fun clearSavedHostKey() {
File(hostKeyPath).delete()
}
/** Returns true if a host key was previously saved */
fun hasSavedHostKey(): Boolean = File(hostKeyPath).exists()
}
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