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Copyright (c) 2014, Lepidus Development LLC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions ...
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package com.lepidusdevelopment.music2sd; //from w ww . j av a 2 s . c o m /** * Copyright (c) 2014, Lepidus Development LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import java.io.File; import java.util.UUID; import android.content.Context; import de.robv.android.xposed.IXposedHookLoadPackage; import de.robv.android.xposed.IXposedHookZygoteInit; import de.robv.android.xposed.XC_MethodHook; import de.robv.android.xposed.XC_MethodReplacement; import de.robv.android.xposed.XSharedPreferences; import de.robv.android.xposed.XposedBridge; import de.robv.android.xposed.XposedHelpers; import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam; public class Music2SDPatch implements IXposedHookZygoteInit, IXposedHookLoadPackage { public static final String PACKAGE_NAME = Music2SDPatch.class.getPackage().getName(); public static final String TAG = "Music2SDPatch"; private static XSharedPreferences prefs; @Override public void initZygote(StartupParam startupParam) throws Throwable { prefs = new XSharedPreferences(PACKAGE_NAME); } @Override public void handleLoadPackage(LoadPackageParam lpparam) throws Throwable { if (lpparam.packageName.equals("com.google.android.music") && android.os.Build.VERSION.SDK_INT < 19) { ClassLoader classLoader = lpparam.classLoader; // Move all of our directories to the new location. XC_MethodReplacement CacheUtils_getCacheDirectory = new XC_MethodReplacement() { @Override protected Object replaceHookedMethod(MethodHookParam param) throws Throwable { Context paramContext = ((Context) param.args[0]); String paramString = ((String) param.args[1]); return getSDCardPath(paramContext, paramString); // File debugFile = getSDCardPath(paramContext, paramString); // XposedBridge.log("CacheUtils_getCacheDirectory: " + debugFile.getAbsolutePath()); // // return debugFile; } }; XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getInternalCacheDirectory", Context.class, String.class, CacheUtils_getCacheDirectory); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getInternalCacheDirectory_Old", Context.class, String.class, CacheUtils_getCacheDirectory); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getExternalCacheDirectory", Context.class, String.class, CacheUtils_getCacheDirectory); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getExternalCacheDirectory_Old", Context.class, String.class, CacheUtils_getCacheDirectory); // Weird methods that may or may not be using the above methods. Best to play it safe and overwrite it. XC_MethodReplacement CacheUtils_musicCacheDirectory = new XC_MethodReplacement() { @Override protected Object replaceHookedMethod(MethodHookParam param) throws Throwable { Context paramContext = ((Context) param.args[0]); return getSDCardPath(paramContext, "music"); // File debugFile = getSDCardPath(paramContext, "music"); // XposedBridge.log("CacheUtils_musicCacheDirectory: " + debugFile.getAbsolutePath()); // // return debugFile; } }; XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getMusicCacheDirectoryById", Context.class, UUID.class, CacheUtils_musicCacheDirectory); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getSelectedVolumeMusicCacheDirectory", Context.class, CacheUtils_musicCacheDirectory); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "resolveMusicPath", Context.class, String.class, int.class, UUID.class, CacheUtils_musicCacheDirectory); // Forces External Storage type. XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheLocationManager", classLoader, "deviceHasExternalStorage", XC_MethodReplacement.returnConstant(true)); Class<?> storageTypeClass = XposedHelpers.findClass("com.google.android.music.download.cache.CacheUtils.StorageType", classLoader); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "getSchemaValueForStorageType", storageTypeClass, XC_MethodReplacement.returnConstant(2)); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "isExternalStorageMounted", XC_MethodReplacement.returnConstant(true)); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheUtils", classLoader, "isVolumeMounted", UUID.class, Context.class, XC_MethodReplacement.returnConstant(true)); // Modify any cache locations that may slip through. XC_MethodHook CacheLocation_getFile = new XC_MethodHook() { @Override protected void afterHookedMethod(MethodHookParam param) throws Throwable { File oldPath = (File) param.getResult(); File newPath = null; String oldPathString = oldPath.getAbsolutePath(); String newPathString = prefs.getString("path", ""); if (!newPathString.isEmpty()) { newPath = new File(newPathString); if (newPath.exists() && oldPathString.indexOf(newPathString) == -1) { int pos = oldPathString.indexOf("/Android/data/com.google.android.music/files") + 44; if (pos != oldPathString.length()) { String revisedPathString = newPathString + oldPathString.substring(pos); newPath = new File(revisedPathString); } // XposedBridge.log("CacheLocation_getFile: newPath - " + newPath.getAbsolutePath()); param.setResult(newPath); return; } } // XposedBridge.log("CacheLocation_getFile: oldPath - " + oldPath.getAbsolutePath()); param.setResult(oldPath); return; } }; XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheLocation", lpparam.classLoader, "getCacheFile", String.class, CacheLocation_getFile); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheLocation", lpparam.classLoader, "getPath", CacheLocation_getFile); XposedHelpers.findAndHookMethod("com.google.android.music.download.cache.CacheLocation", lpparam.classLoader, "hasMusicFiles", XC_MethodReplacement.returnConstant(true)); } } private File getSDCardPath(Context paramContext, String paramString) { File path = null; String pathString = prefs.getString("path", ""); // If path is empty then use Internal Storage. if (!pathString.isEmpty()) { path = new File(pathString); if (path.exists()) { if (paramString != null) path = new File(pathString, paramString); return path; } } path = paramContext.getFilesDir(); // If for some reason that fails then panic! if (path != null) { if (paramString != null) path = new File(path, paramString); return path; } return null; } }