Addons (#368)

* feat: (wip) torrent credit to kuukiyomi * fix: extensions -> addons * fix: unified loader * feat: (wip) modularity * fix: addon ui * feat: addon install/uninstall --------- Co-authored-by: aayush262 <aayushthakur262006@gmail.com>
2024-04-19 04:08:20 -05:00 · 2024-04-19 04:08:20 -05:00 · 670d16bd8e
commit 670d16bd8e
parent 3d1040b280
66 changed files with 1923 additions and 427 deletions
--- a/app/src/main/java/ani/dantotsu/addons/AddonLoader.kt
+++ b/app/src/main/java/ani/dantotsu/addons/AddonLoader.kt
@ -0,0 +1,137 @@
+package ani.dantotsu.addons
+
+import android.content.Context
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.core.content.pm.PackageInfoCompat
+import ani.dantotsu.addons.download.DownloadAddon
+import ani.dantotsu.addons.download.DownloadAddonApi
+import ani.dantotsu.addons.download.DownloadAddonManager
+import ani.dantotsu.addons.download.DownloadLoadResult
+import ani.dantotsu.addons.torrent.TorrentAddonApi
+import ani.dantotsu.addons.torrent.TorrentAddon
+import ani.dantotsu.addons.torrent.TorrentAddonManager
+import ani.dantotsu.addons.torrent.TorrentLoadResult
+import ani.dantotsu.media.AddonType
+import ani.dantotsu.util.Logger
+import dalvik.system.PathClassLoader
+import eu.kanade.tachiyomi.extension.util.ExtensionLoader
+import eu.kanade.tachiyomi.util.system.getApplicationIcon
+
+class AddonLoader {
+    companion object {
+        fun loadExtension(
+            context: Context,
+            packageName: String,
+            className: String,
+            type: AddonType
+        ): LoadResult? {
+            val pkgManager = context.packageManager
+
+            val installedPkgs = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                pkgManager.getInstalledPackages(PackageManager.PackageInfoFlags.of(ExtensionLoader.PACKAGE_FLAGS.toLong()))
+            } else {
+                pkgManager.getInstalledPackages(ExtensionLoader.PACKAGE_FLAGS)
+            }
+
+            val extPkgs = installedPkgs.filter {
+                isPackageAnExtension(
+                    packageName,
+                    it
+                )
+            }
+
+            if (extPkgs.isEmpty()) return null
+            if (extPkgs.size > 1) throw IllegalStateException("Multiple extensions with the same package name found")
+
+            val pkgName = extPkgs.first().packageName
+            val pkgInfo = extPkgs.first()
+
+            val appInfo = try {
+                pkgManager.getApplicationInfo(pkgName, PackageManager.GET_META_DATA)
+            } catch (error: PackageManager.NameNotFoundException) {
+                // Unlikely, but the package may have been uninstalled at this point
+                Logger.log(error)
+                throw error
+            }
+
+            val extName = pkgManager.getApplicationLabel(appInfo).toString().substringAfter("Dantotsu: ")
+            val versionName = pkgInfo.versionName
+            val versionCode = PackageInfoCompat.getLongVersionCode(pkgInfo)
+
+            if (versionName.isNullOrEmpty()) {
+                Logger.log("Missing versionName for extension $extName")
+                throw IllegalStateException("Missing versionName for extension $extName")
+            }
+            val classLoader = PathClassLoader(appInfo.sourceDir, appInfo.nativeLibraryDir, context.classLoader)
+            val loadedClass = try {
+                Class.forName(className, false, classLoader)
+            } catch (e: ClassNotFoundException) {
+                Logger.log("Extension load error: $extName ($className)")
+                Logger.log(e)
+                throw e
+            } catch (e: NoClassDefFoundError) {
+                Logger.log("Extension load error: $extName ($className)")
+                Logger.log(e)
+                throw e
+            }catch (e: Exception) {
+                Logger.log("Extension load error: $extName ($className)")
+                Logger.log(e)
+                throw e
+            }
+            val instance = loadedClass.getDeclaredConstructor().newInstance()
+
+            return when (type) {
+                AddonType.TORRENT -> {
+                    val extension = instance as? TorrentAddonApi ?: throw IllegalStateException("Extension is not a TorrentAddonApi")
+                    TorrentLoadResult.Success(
+                        TorrentAddon.Installed(
+                            name = extName,
+                            pkgName = pkgName,
+                            versionName = versionName,
+                            versionCode = versionCode,
+                            extension = extension,
+                            icon = context.getApplicationIcon(pkgName),
+                        )
+                    )
+                }
+                AddonType.DOWNLOAD -> {
+                    val extension = instance as? DownloadAddonApi ?: throw IllegalStateException("Extension is not a DownloadAddonApi")
+                    DownloadLoadResult.Success(
+                        DownloadAddon.Installed(
+                            name = extName,
+                            pkgName = pkgName,
+                            versionName = versionName,
+                            versionCode = versionCode,
+                            extension = extension,
+                            icon = context.getApplicationIcon(pkgName),
+                        )
+                    )
+                }
+            }
+        }
+
+        fun loadFromPkgName(context: Context, packageName: String, type: AddonType): LoadResult? {
+            return when (type) {
+                AddonType.TORRENT -> loadExtension(
+                    context,
+                    packageName,
+                    TorrentAddonManager.TORRENT_CLASS,
+                    type
+                )
+                AddonType.DOWNLOAD -> loadExtension(
+                    context,
+                    packageName,
+                    DownloadAddonManager.DOWNLOAD_CLASS,
+                    type
+                )
+            }
+        }
+
+        private fun isPackageAnExtension(type: String, pkgInfo: PackageInfo): Boolean {
+            return pkgInfo.packageName.equals(type)
+        }
+    }
+
+}