manager: support module update online

manager/app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:name=".KernelSUApplication"
         android:allowBackup="true"

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Module.kt

@@ -2,6 +2,7 @@ package me.weishu.kernelsu.ui.screen
 
 import android.app.Activity.RESULT_OK
 import android.content.Intent
+import android.net.Uri
 import android.util.Log
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
@@ -19,6 +20,7 @@ import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
@@ -105,13 +107,15 @@ fun ModuleScreen(navigator: DestinationsNavigator) {
                     )
                 }
             }
+
             else -> {
                 ModuleList(
-                    viewModel = viewModel,
+                    viewModel = viewModel, modifier = Modifier
-                    modifier = Modifier
                         .padding(innerPadding)
                         .fillMaxSize()
-                )
+                ) {
+                    navigator.navigate(InstallScreenDestination(it))
+                }
             }
         }
     }
@@ -119,7 +123,9 @@ fun ModuleScreen(navigator: DestinationsNavigator) {
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
-private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier) {
+private fun ModuleList(
+    viewModel: ModuleViewModel, modifier: Modifier = Modifier, onInstallModule: (Uri) -> Unit
+) {
     val failedEnable = stringResource(R.string.module_failed_to_enable)
     val failedDisable = stringResource(R.string.module_failed_to_disable)
     val failedUninstall = stringResource(R.string.module_uninstall_failed)
@@ -129,8 +135,7 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
     val moduleStr = stringResource(id = R.string.module)
     val uninstall = stringResource(id = R.string.uninstall)
     val cancel = stringResource(id = android.R.string.cancel)
-    val moduleUninstallConfirm =
+    val moduleUninstallConfirm = stringResource(id = R.string.module_uninstall_confirm)
-        stringResource(id = R.string.module_uninstall_confirm)
 
     val dialogHost = LocalDialogHost.current
     val snackBarHost = LocalSnackbarHost.current
@@ -166,10 +171,8 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
         }
     }
 
-    val refreshState = rememberPullRefreshState(
+    val refreshState = rememberPullRefreshState(refreshing = viewModel.isRefreshing,
-        refreshing = viewModel.isRefreshing,
+        onRefresh = { viewModel.fetchModuleList() })
-        onRefresh = { viewModel.fetchModuleList() }
-    )
     Box(modifier.pullRefresh(refreshState)) {
         if (viewModel.isOverlayAvailable) {
             LazyColumn(
@@ -180,8 +183,7 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
                         start = 16.dp,
                         top = 16.dp,
                         end = 16.dp,
-                        bottom = 16.dp
+                        bottom = 16.dp + 16.dp + 56.dp /*  Scaffold Fab Spacing + Fab container height */
-                                + 16.dp + 56.dp /*  Scaffold Fab Spacing + Fab container height */
                     )
                 },
             ) {
@@ -189,8 +191,7 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
                 if (isEmpty) {
                     item {
                         Box(
-                            modifier = Modifier.fillMaxSize(),
+                            modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center
-                            contentAlignment = Alignment.Center
                         ) {
                             Text(stringResource(R.string.module_empty))
                         }
@@ -199,7 +200,14 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
                     items(viewModel.moduleList) { module ->
                         var isChecked by rememberSaveable(module) { mutableStateOf(module.enabled) }
                         val scope = rememberCoroutineScope()
-                        ModuleItem(module, isChecked, onUninstall = {
+                        val updateUrl by produceState(initialValue = "") {
+                            viewModel.checkUpdate(module) { value = it.orEmpty() }
+                        }
+
+                        val context = LocalContext.current
+                        val downloadingText = stringResource(R.string.module_downloading)
+
+                        ModuleItem(module, isChecked, updateUrl, onUninstall = {
                             scope.launch { onModuleUninstall(module) }
                         }, onCheckChanged = {
                             val success = toggleModule(module.id, !isChecked)
@@ -219,7 +227,19 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
                                 val message = if (isChecked) failedDisable else failedEnable
                                 snackBarHost.showSnackbar(message.format(module.name))
                             }
+                        }, onUpdate = {
+
+                            download(
+                                context,
+                                Uri.parse(updateUrl),
+                                module.name,
+                                "${module.name}-${module.version}.zip",
+                                downloadingText.format(module.name)
+                            )
                         })
+
+                        DownloadListener(context, onInstallModule)
+
                         // fix last item shadow incomplete in LazyColumn
                         Spacer(Modifier.height(1.dp))
                     }
@@ -232,9 +252,7 @@ private fun ModuleList(viewModel: ModuleViewModel, modifier: Modifier = Modifier
         }
 
         PullRefreshIndicator(
-            refreshing = viewModel.isRefreshing,
+            refreshing = viewModel.isRefreshing, state = refreshState, modifier = Modifier.align(
-            state = refreshState,
-            modifier = Modifier.align(
                 Alignment.TopCenter
             )
         )
@@ -251,8 +269,10 @@ private fun TopBar() {
 private fun ModuleItem(
     module: ModuleViewModel.ModuleInfo,
     isChecked: Boolean,
+    updateUrl: String,
     onUninstall: (ModuleViewModel.ModuleInfo) -> Unit,
-    onCheckChanged: (Boolean) -> Unit
+    onCheckChanged: (Boolean) -> Unit,
+    onUpdate: (ModuleViewModel.ModuleInfo) -> Unit,
 ) {
     ElevatedCard(
         modifier = Modifier.fillMaxWidth(),
@@ -334,6 +354,18 @@ private fun ModuleItem(
             ) {
                 Spacer(modifier = Modifier.weight(1f, true))
 
+                if (updateUrl.isNotEmpty()) {
+                    TextButton(
+                        onClick = { onUpdate(module) },
+                    ) {
+                        Text(
+                            fontFamily = MaterialTheme.typography.labelMedium.fontFamily,
+                            fontSize = MaterialTheme.typography.labelMedium.fontSize,
+                            text = stringResource(R.string.module_update),
+                        )
+                    }
+                }
+
                 TextButton(
                     enabled = !module.remove,
                     onClick = { onUninstall(module) },
@@ -362,6 +394,7 @@ fun ModuleItemPreview() {
         enabled = true,
         update = true,
         remove = true,
+        updateJson = ""
     )
-    ModuleItem(module, true, {}, {})
+    ModuleItem(module, true, "", {}, {}, {})
 }

manager/app/src/main/java/me/weishu/kernelsu/ui/util/Downloader.kt

@@ -0,0 +1,71 @@
+package me.weishu.kernelsu.ui.util
+
+import android.annotation.SuppressLint
+import android.app.DownloadManager
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.Uri
+import android.os.Environment
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+
+/**
+ * @author weishu
+ * @date 2023/6/22.
+ */
+
+fun download(context: Context, uri: Uri, title: String, fileName: String, description: String) {
+    val downloadManager =
+        context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+    val request = DownloadManager.Request(uri)
+        .setDestinationInExternalPublicDir(
+            Environment.DIRECTORY_DOWNLOADS,
+            fileName
+        )
+        .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+        .setMimeType("application/zip")
+        .setTitle(title)
+        .setDescription(description)
+
+    downloadManager.enqueue(request)
+}
+
+@Composable
+fun DownloadListener(context: Context, onDownloaded: (Uri) -> Unit) {
+    DisposableEffect(context) {
+        val receiver = object : BroadcastReceiver() {
+            @SuppressLint("Range")
+            override fun onReceive(context: Context?, intent: Intent?) {
+                if (intent?.action == DownloadManager.ACTION_DOWNLOAD_COMPLETE) {
+                    val id = intent.getLongExtra(
+                        DownloadManager.EXTRA_DOWNLOAD_ID, -1
+                    )
+                    val query = DownloadManager.Query().setFilterById(id)
+                    val downloadManager =
+                        context?.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+                    val cursor = downloadManager.query(query)
+                    if (cursor.moveToFirst()) {
+                        val status = cursor.getInt(
+                            cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)
+                        )
+                        if (status == DownloadManager.STATUS_SUCCESSFUL) {
+                            val uri = cursor.getString(
+                                cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI)
+                            )
+                            onDownloaded(Uri.parse(uri))
+                        }
+                    }
+                }
+            }
+        }
+        context.registerReceiver(
+            receiver,
+            IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)
+        )
+        onDispose {
+            context.unregisterReceiver(receiver)
+        }
+    }
+}

manager/app/src/main/java/me/weishu/kernelsu/ui/viewmodel/ModuleViewModel.kt

@@ -1,5 +1,6 @@
 package me.weishu.kernelsu.ui.viewmodel
 
+import android.net.Uri
 import android.os.SystemClock
 import android.util.Log
 import androidx.compose.runtime.derivedStateOf
@@ -13,6 +14,7 @@ import kotlinx.coroutines.launch
 import me.weishu.kernelsu.ui.util.listModules
 import me.weishu.kernelsu.ui.util.overlayFsAvailable
 import org.json.JSONArray
+import org.json.JSONObject
 import java.text.Collator
 import java.util.*
 
@@ -33,6 +35,14 @@ class ModuleViewModel : ViewModel() {
         val enabled: Boolean,
         val update: Boolean,
         val remove: Boolean,
+        val updateJson: String,
+    )
+
+    data class ModuleUpdateInfo(
+        val version: String,
+        val versionCode: Int,
+        val zipUrl: String,
+        val changelog: String,
     )
 
     var isRefreshing by mutableStateOf(false)
@@ -78,6 +88,7 @@ class ModuleViewModel : ViewModel() {
                             obj.getBoolean("enabled"),
                             obj.getBoolean("update"),
                             obj.getBoolean("remove"),
+                            obj.optString("updateJson", "")
                         )
                     }.toList()
             }.onFailure { e ->
@@ -94,4 +105,57 @@ class ModuleViewModel : ViewModel() {
             Log.i(TAG, "load cost: ${SystemClock.elapsedRealtime() - start}, modules: $modules")
         }
     }
+
+    fun checkUpdate(m: ModuleInfo, callback: (String?) -> Unit) {
+        if (m.updateJson.isEmpty()) {
+            callback(null)
+            return
+        }
+        viewModelScope.launch(Dispatchers.IO) {
+            // download updateJson
+            val result = kotlin.runCatching {
+                val url = m.updateJson
+                Log.i(TAG, "checkUpdate url: $url")
+                val response = okhttp3.OkHttpClient()
+                    .newCall(
+                    okhttp3.Request.Builder()
+                        .url(url)
+                        .build()
+                ).execute()
+                Log.d(TAG, "checkUpdate code: ${response.code}")
+                if (response.isSuccessful) {
+                    response.body?.string() ?: ""
+                } else {
+                    ""
+                }
+            }.getOrDefault("")
+            Log.i(TAG, "checkUpdate result: $result")
+
+            if (result.isEmpty()) {
+                callback(null)
+                return@launch
+            }
+
+            val updateJson = kotlin.runCatching {
+                JSONObject(result)
+            }.getOrNull()
+
+            if (updateJson == null) {
+                callback(null)
+                return@launch
+            }
+
+            val version = updateJson.optString("version", "")
+            val versionCode = updateJson.optInt("versionCode", 0)
+            val zipUrl = updateJson.optString("zipUrl", "")
+            val changelog = updateJson.optString("changelog", "")
+            if (versionCode < m.versionCode || zipUrl.isEmpty()) {
+                callback(null)
+                return@launch
+            }
+
+            callback(zipUrl)
+        }
+    }
+
 }

manager/app/src/main/res/values-zh-rCN/strings.xml

@@ -58,4 +58,8 @@
     <string name="settings_umount_modules_default">默认卸载模块</string>
     <string name="settings_umount_modules_default_summary">App Profile 中\"卸载模块\"的全局默认值，如果启用，将会为没有设置 Profile 的应用移除所有模块针对系统的修改</string>
     <string name="profile_umount_modules_summary">启用后将允许 KernelSU 为本应用还原被模块修改过的文件</string>
+    <string name="profile_selinux_domain">域</string>
+    <string name="profile_selinux_rules">规则</string>
+    <string name="module_update">更新</string>
+    <string name="module_downloading">正在下载模块：%s</string>
 </resources>

manager/app/src/main/res/values/strings.xml

@@ -76,4 +76,6 @@
     <string name="profile_umount_modules_summary">Enabling this option will allow KernelSU to restore any modified files by the modules for this application.</string>
     <string name="profile_selinux_domain">Domain</string>
     <string name="profile_selinux_rules">Rules</string>
+    <string name="module_update">Update</string>
+    <string name="module_downloading">Downloading module: %s</string>
 </resources>