cloudstream/app/src/main/java/com/lagradost/cloudstream3/plugins/PluginManager.kt
2022-09-22 12:50:28 +02:00

519 lines
No EOL
19 KiB
Kotlin

package com.lagradost.cloudstream3.plugins
import android.app.*
import dalvik.system.PathClassLoader
import com.google.gson.Gson
import android.content.res.AssetManager
import android.content.res.Resources
import android.os.Environment
import android.widget.Toast
import android.content.Context
import android.content.Intent
import android.os.Build
import android.util.Log
import androidx.core.app.NotificationCompat
import androidx.core.app.NotificationManagerCompat
import androidx.core.net.toUri
import com.fasterxml.jackson.annotation.JsonProperty
import com.lagradost.cloudstream3.*
import com.lagradost.cloudstream3.AcraApplication.Companion.getKey
import com.lagradost.cloudstream3.AcraApplication.Companion.removeKey
import com.lagradost.cloudstream3.AcraApplication.Companion.setKey
import com.lagradost.cloudstream3.plugins.RepositoryManager.ONLINE_PLUGINS_FOLDER
import com.lagradost.cloudstream3.plugins.RepositoryManager.downloadPluginToFile
import com.lagradost.cloudstream3.CommonActivity.showToast
import com.lagradost.cloudstream3.plugins.RepositoryManager.getRepoPlugins
import com.lagradost.cloudstream3.ui.settings.extensions.REPOSITORIES_KEY
import com.lagradost.cloudstream3.ui.settings.extensions.RepositoryData
import com.lagradost.cloudstream3.utils.VideoDownloadManager.sanitizeFilename
import com.lagradost.cloudstream3.APIHolder.removePluginMapping
import com.lagradost.cloudstream3.MainActivity.Companion.afterPluginsLoadedEvent
import com.lagradost.cloudstream3.mvvm.logError
import com.lagradost.cloudstream3.plugins.RepositoryManager.PREBUILT_REPOSITORIES
import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
import com.lagradost.cloudstream3.utils.Coroutines.main
import com.lagradost.cloudstream3.utils.ExtractorApi
import com.lagradost.cloudstream3.utils.UIHelper.colorFromAttribute
import com.lagradost.cloudstream3.utils.extractorApis
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import org.acra.log.debug
import java.io.File
import java.io.InputStreamReader
import java.util.*
// Different keys for local and not since local can be removed at any time without app knowing, hence the local are getting rebuilt on every app start
const val PLUGINS_KEY = "PLUGINS_KEY"
const val PLUGINS_KEY_LOCAL = "PLUGINS_KEY_LOCAL"
const val EXTENSIONS_CHANNEL_ID = "cloudstream3.extensions"
const val EXTENSIONS_CHANNEL_NAME = "Extensions"
const val EXTENSIONS_CHANNEL_DESCRIPT = "Extension notification channel"
// Data class for internal storage
data class PluginData(
@JsonProperty("internalName") val internalName: String,
@JsonProperty("url") val url: String?,
@JsonProperty("isOnline") val isOnline: Boolean,
@JsonProperty("filePath") val filePath: String,
@JsonProperty("version") val version: Int,
) {
fun toSitePlugin(): SitePlugin {
return SitePlugin(
this.filePath,
PROVIDER_STATUS_OK,
maxOf(1, version),
1,
internalName,
internalName,
emptyList(),
File(this.filePath).name,
null,
null,
null,
null,
File(this.filePath).length()
)
}
}
// This is used as a placeholder / not set version
const val PLUGIN_VERSION_NOT_SET = Int.MIN_VALUE
// This always updates
const val PLUGIN_VERSION_ALWAYS_UPDATE = -1
object PluginManager {
// Prevent multiple writes at once
val lock = Mutex()
const val TAG = "PluginManager"
private var hasCreatedNotChanel = false
/**
* Store data about the plugin for fetching later
* */
private suspend fun setPluginData(data: PluginData) {
lock.withLock {
if (data.isOnline) {
val plugins = getPluginsOnline()
val newPlugins = plugins.filter { it.filePath != data.filePath } + data
setKey(PLUGINS_KEY, newPlugins)
} else {
val plugins = getPluginsLocal()
setKey(PLUGINS_KEY_LOCAL, plugins.filter { it.filePath != data.filePath } + data)
}
}
}
private suspend fun deletePluginData(data: PluginData?) {
if (data == null) return
lock.withLock {
if (data.isOnline) {
val plugins = getPluginsOnline().filter { it.url != data.url }
setKey(PLUGINS_KEY, plugins)
} else {
val plugins = getPluginsLocal().filter { it.filePath != data.filePath }
setKey(PLUGINS_KEY_LOCAL, plugins)
}
}
}
suspend fun deleteRepositoryData(repositoryPath: String) {
lock.withLock {
val plugins = getPluginsOnline().filter {
!it.filePath.contains(repositoryPath)
}
setKey(PLUGINS_KEY, plugins)
}
}
fun getPluginsOnline(): Array<PluginData> {
return getKey(PLUGINS_KEY) ?: emptyArray()
}
fun getPluginsLocal(): Array<PluginData> {
return getKey(PLUGINS_KEY_LOCAL) ?: emptyArray()
}
private val LOCAL_PLUGINS_PATH =
Environment.getExternalStorageDirectory().absolutePath + "/Cloudstream3/plugins"
public var currentlyLoading: String? = null
// Maps filepath to plugin
val plugins: MutableMap<String, Plugin> =
LinkedHashMap<String, Plugin>()
// Maps urls to plugin
val urlPlugins: MutableMap<String, Plugin> =
LinkedHashMap<String, Plugin>()
private val classLoaders: MutableMap<PathClassLoader, Plugin> =
HashMap<PathClassLoader, Plugin>()
private var loadedLocalPlugins = false
private val gson = Gson()
private suspend fun maybeLoadPlugin(activity: Activity, file: File) {
val name = file.name
if (file.extension == "zip" || file.extension == "cs3") {
loadPlugin(
activity,
file,
PluginData(name, null, false, file.absolutePath, PLUGIN_VERSION_NOT_SET)
)
} else {
Log.i(TAG, "Skipping invalid plugin file: $file")
}
}
// Helper class for updateAllOnlinePluginsAndLoadThem
data class OnlinePluginData(
val savedData: PluginData,
val onlineData: Pair<String, SitePlugin>,
) {
val isOutdated =
onlineData.second.version != savedData.version || onlineData.second.version == PLUGIN_VERSION_ALWAYS_UPDATE
val isDisabled = onlineData.second.status == PROVIDER_STATUS_DOWN
}
// var allCurrentOutDatedPlugins: Set<OnlinePluginData> = emptySet()
suspend fun loadSinglePlugin(activity: Activity, apiName: String): Boolean {
return (getPluginsOnline().firstOrNull {
// Most of the time the provider ends with Provider which isn't part of the api name
it.internalName.replace("provider", "", ignoreCase = true) == apiName
}
?: getPluginsLocal().firstOrNull {
it.internalName.replace("provider", "", ignoreCase = true) == apiName
})?.let { savedData ->
// OnlinePluginData(savedData, onlineData)
loadPlugin(
activity,
File(savedData.filePath),
savedData
)
} ?: false
}
/**
* Needs to be run before other plugin loading because plugin loading can not be overwritten
* 1. Gets all online data about the downloaded plugins
* 2. If disabled do nothing
* 3. If outdated download and load the plugin
* 4. Else load the plugin normally
**/
fun updateAllOnlinePluginsAndLoadThem(activity: Activity) {
// Load all plugins as fast as possible!
loadAllOnlinePlugins(activity)
ioSafe {
afterPluginsLoadedEvent.invoke(true)
}
val urls = (getKey<Array<RepositoryData>>(REPOSITORIES_KEY)
?: emptyArray()) + PREBUILT_REPOSITORIES
val onlinePlugins = urls.toList().apmap {
getRepoPlugins(it.url)?.toList() ?: emptyList()
}.flatten().distinctBy { it.second.url }
// Iterates over all offline plugins, compares to remote repo and returns the plugins which are outdated
val outdatedPlugins = getPluginsOnline().map { savedData ->
onlinePlugins.filter { onlineData -> savedData.internalName == onlineData.second.internalName }
.map { onlineData ->
OnlinePluginData(savedData, onlineData)
}
}.flatten().distinctBy { it.onlineData.second.url }
debug {
"Outdated plugins: ${outdatedPlugins.filter { it.isOutdated }}"
}
val updatedPlugins = mutableListOf<String>()
outdatedPlugins.apmap { pluginData ->
if (pluginData.isDisabled) {
//updatedPlugins.add(activity.getString(R.string.single_plugin_disabled, pluginData.onlineData.second.name))
unloadPlugin(pluginData.savedData.filePath)
} else if (pluginData.isOutdated) {
downloadAndLoadPlugin(
activity,
pluginData.onlineData.second.url,
pluginData.savedData.internalName,
pluginData.onlineData.first
).let { success ->
if (success)
updatedPlugins.add(pluginData.onlineData.second.name)
}
}
}
main {
createNotification(activity, updatedPlugins)
}
ioSafe {
afterPluginsLoadedEvent.invoke(true)
}
Log.i(TAG, "Plugin update done!")
}
/**
* Use updateAllOnlinePluginsAndLoadThem
* */
fun loadAllOnlinePlugins(activity: Activity) {
// Load all plugins as fast as possible!
(getPluginsOnline()).toList().apmap { pluginData ->
loadPlugin(
activity,
File(pluginData.filePath),
pluginData
)
}
}
fun loadAllLocalPlugins(activity: Activity) {
val dir = File(LOCAL_PLUGINS_PATH)
removeKey(PLUGINS_KEY_LOCAL)
if (!dir.exists()) {
val res = dir.mkdirs()
if (!res) {
Log.w(TAG, "Failed to create local directories")
return
}
}
val sortedPlugins = dir.listFiles()
// Always sort plugins alphabetically for reproducible results
Log.d(TAG, "Files in '${LOCAL_PLUGINS_PATH}' folder: $sortedPlugins")
sortedPlugins?.sortedBy { it.name }?.apmap { file ->
maybeLoadPlugin(activity, file)
}
loadedLocalPlugins = true
afterPluginsLoadedEvent.invoke(true)
}
/**
* @return True if successful, false if not
* */
private suspend fun loadPlugin(activity: Activity, file: File, data: PluginData): Boolean {
val fileName = file.nameWithoutExtension
val filePath = file.absolutePath
currentlyLoading = fileName
Log.i(TAG, "Loading plugin: $data")
return try {
val loader = PathClassLoader(filePath, activity.classLoader)
var manifest: Plugin.Manifest
loader.getResourceAsStream("manifest.json").use { stream ->
if (stream == null) {
Log.e(TAG, "Failed to load plugin $fileName: No manifest found")
return false
}
InputStreamReader(stream).use { reader ->
manifest = gson.fromJson(
reader,
Plugin.Manifest::class.java
)
}
}
val name: String = manifest.name ?: "NO NAME".also {
Log.d(TAG, "No manifest name for ${data.internalName}")
}
val version: Int = manifest.version ?: PLUGIN_VERSION_NOT_SET.also {
Log.d(TAG, "No manifest version for ${data.internalName}")
}
val pluginClass: Class<*> =
loader.loadClass(manifest.pluginClassName) as Class<out Plugin?>
val pluginInstance: Plugin =
pluginClass.newInstance() as Plugin
// Sets with the proper version
setPluginData(data.copy(version = version))
if (plugins.containsKey(filePath)) {
Log.i(TAG, "Plugin with name $name already exists")
return true
}
pluginInstance.__filename = fileName
if (manifest.requiresResources) {
Log.d(TAG, "Loading resources for ${data.internalName}")
// based on https://stackoverflow.com/questions/7483568/dynamic-resource-loading-from-other-apk
val assets = AssetManager::class.java.newInstance()
val addAssetPath =
AssetManager::class.java.getMethod("addAssetPath", String::class.java)
addAssetPath.invoke(assets, file.absolutePath)
pluginInstance.resources = Resources(
assets,
activity.resources.displayMetrics,
activity.resources.configuration
)
}
plugins[filePath] = pluginInstance
classLoaders[loader] = pluginInstance
urlPlugins[data.url ?: filePath] = pluginInstance
pluginInstance.load(activity)
Log.i(TAG, "Loaded plugin ${data.internalName} successfully")
currentlyLoading = null
true
} catch (e: Throwable) {
Log.e(TAG, "Failed to load $file: ${Log.getStackTraceString(e)}")
showToast(
activity,
activity.getString(R.string.plugin_load_fail).format(fileName),
Toast.LENGTH_LONG
)
currentlyLoading = null
false
}
}
private fun unloadPlugin(absolutePath: String) {
Log.i(TAG, "Unloading plugin: $absolutePath")
val plugin = plugins[absolutePath]
if (plugin == null) {
Log.w(TAG, "Couldn't find plugin $absolutePath")
return
}
try {
plugin.beforeUnload()
} catch (e: Throwable) {
Log.e(TAG, "Failed to run beforeUnload $absolutePath: ${Log.getStackTraceString(e)}")
}
// remove all registered apis
APIHolder.apis.filter { api -> api.sourcePlugin == plugin.__filename }.forEach {
removePluginMapping(it)
}
APIHolder.allProviders.removeIf { provider: MainAPI -> provider.sourcePlugin == plugin.__filename }
extractorApis.removeIf { provider: ExtractorApi -> provider.sourcePlugin == plugin.__filename }
classLoaders.values.removeIf { v -> v == plugin }
plugins.remove(absolutePath)
urlPlugins.values.removeIf { v -> v == plugin }
}
/**
* Spits out a unique and safe filename based on name.
* Used for repo folders (using repo url) and plugin file names (using internalName)
* */
fun getPluginSanitizedFileName(name: String): String {
return sanitizeFilename(
name,
true
) + "." + name.hashCode()
}
suspend fun downloadAndLoadPlugin(
activity: Activity,
pluginUrl: String,
internalName: String,
repositoryUrl: String
): Boolean {
try {
val folderName = getPluginSanitizedFileName(repositoryUrl) // Guaranteed unique
val fileName = getPluginSanitizedFileName(internalName)
unloadPlugin("${activity.filesDir}/${ONLINE_PLUGINS_FOLDER}/${folderName}/$fileName.cs3")
Log.d(TAG, "Downloading plugin: $pluginUrl to $folderName/$fileName")
// The plugin file needs to be salted with the repository url hash as to allow multiple repositories with the same internal plugin names
val file = downloadPluginToFile(activity, pluginUrl, fileName, folderName)
return loadPlugin(
activity,
file ?: return false,
PluginData(internalName, pluginUrl, true, file.absolutePath, PLUGIN_VERSION_NOT_SET)
)
} catch (e: Exception) {
logError(e)
return false
}
}
/**
* @param isFilePath will treat the pluginUrl as as the filepath instead of url
* */
suspend fun deletePlugin(pluginIdentifier: String, isFilePath: Boolean): Boolean {
val data =
(if (isFilePath) (getPluginsLocal() + getPluginsOnline()).firstOrNull { it.filePath == pluginIdentifier }
else getPluginsOnline().firstOrNull { it.url == pluginIdentifier }) ?: return false
return try {
if (File(data.filePath).delete()) {
unloadPlugin(data.filePath)
deletePluginData(data)
return true
}
false
} catch (e: Exception) {
false
}
}
private fun Context.createNotificationChannel() {
hasCreatedNotChanel = true
// Create the NotificationChannel, but only on API 26+ because
// the NotificationChannel class is new and not in the support library
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val name = EXTENSIONS_CHANNEL_NAME //getString(R.string.channel_name)
val descriptionText = EXTENSIONS_CHANNEL_DESCRIPT//getString(R.string.channel_description)
val importance = NotificationManager.IMPORTANCE_LOW
val channel = NotificationChannel(EXTENSIONS_CHANNEL_ID, name, importance).apply {
description = descriptionText
}
// Register the channel with the system
val notificationManager: NotificationManager =
this.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
notificationManager.createNotificationChannel(channel)
}
}
private fun createNotification(
context: Context,
extensionNames: List<String>
): Notification? {
try {
if (extensionNames.isEmpty()) return null
val content = extensionNames.joinToString(", ")
// main { // DON'T WANT TO SLOW IT DOWN
val builder = NotificationCompat.Builder(context, EXTENSIONS_CHANNEL_ID)
.setAutoCancel(false)
.setColorized(true)
.setOnlyAlertOnce(true)
.setSilent(true)
.setPriority(NotificationCompat.PRIORITY_LOW)
.setColor(context.colorFromAttribute(R.attr.colorPrimary))
.setContentTitle(context.getString(R.string.plugins_updated, extensionNames.size))
.setSmallIcon(R.drawable.ic_baseline_extension_24)
.setStyle(NotificationCompat.BigTextStyle()
.bigText(content))
.setContentText(content)
if (!hasCreatedNotChanel) {
context.createNotificationChannel()
}
val notification = builder.build()
with(NotificationManagerCompat.from(context)) {
// notificationId is a unique int for each notification that you must define
notify((System.currentTimeMillis()/1000).toInt(), notification)
}
return notification
} catch (e: Exception) {
logError(e)
return null
}
}
}