1、修复不知名原因的下载失败bug

nining377 · Feb 18, 2021 · 5a61e40 · 5a61e40
1 parent b8d04d4
commit 5a61e40
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Showing 3 changed files with 47 additions and 2 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.raincat.dolby_beta"
         minSdkVersion 14
         targetSdkVersion 23
-        versionCode 109
-        versionName "1.0.9"
+        versionCode 110
+        versionName "1.1.0"
     }
     buildTypes {
         release {

diff --git a/app/src/main/java/com/raincat/dolby_beta/hook/DownloadMD5Hook.java b/app/src/main/java/com/raincat/dolby_beta/hook/DownloadMD5Hook.java
@@ -4,9 +4,11 @@
 
 import java.io.FileInputStream;
 import java.io.InputStream;
+import java.lang.reflect.Method;
 import java.security.MessageDigest;
 
 import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedHelpers;
 
 import static de.robv.android.xposed.XposedBridge.hookMethod;
 
@@ -26,10 +28,27 @@ public DownloadMD5Hook() {
             protected void beforeHookedMethod(MethodHookParam param) {
                 final Object[] array = (Object[]) param.args[3];
                 String path = param.args[0].toString();
+                if (((String) array[5]).length() == 32) {
+                    return;
+                }
                 array[5] = fileToMD5(path);
                 param.args[3] = array;
             }
         });
+
+        hookMethod(CloudMusicPackage.Transfer.getCheckDownloadStatusMethod(), new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) {
+                Method[] methods = param.args[0].getClass().getDeclaredMethods();
+                for (Method m : methods) {
+                    if (m.getReturnType() == long.class) {
+                        long length = (long) XposedHelpers.callMethod(param.args[0], m.getName());
+                        param.setResult(length);
+                        break;
+                    }
+                }
+            }
+        });
     }
 
     private String fileToMD5(String filePath) {

diff --git a/app/src/main/java/com/raincat/dolby_beta/utils/CloudMusicPackage.java b/app/src/main/java/com/raincat/dolby_beta/utils/CloudMusicPackage.java
@@ -151,7 +151,9 @@ static List<String> getFilteredClasses(Pattern pattern, Comparator<String> compa
 
     public static class Transfer {
         private static Method checkMd5Method;
+        private static Method checkDownloadStatusMethod;
 
+        //下载完后的MD5检查
         public static Method getCheckMd5Method() {
             if (checkMd5Method == null) {
                 Pattern pattern = Pattern.compile("^com\\.netease\\.cloudmusic\\.module\\.transfer\\.download\\.[a-z]$");
@@ -172,6 +174,30 @@ public static Method getCheckMd5Method() {
             }
             return checkMd5Method;
         }
+
+        //下载之前下载状态检查
+        public static Method getCheckDownloadStatusMethod() {
+            if (checkDownloadStatusMethod == null) {
+                Pattern pattern = Pattern.compile("^com\\.netease\\.cloudmusic\\.module\\.transfer\\.download\\.[a-z]$");
+                List<String> list = ClassHelper.getFilteredClasses(pattern, Collections.reverseOrder());
+
+                try {
+                    checkDownloadStatusMethod = Stream.of(list)
+                            .map(c -> findClass(c, getClassLoader()).getDeclaredMethods())
+                            .flatMap(Stream::of)
+                            .filter(m -> m.getReturnType() == long.class)
+                            .filter(m -> m.getParameterTypes().length == 5)
+                            .filter(m -> m.getParameterTypes()[1] == int.class)
+                            .filter(m -> m.getParameterTypes()[3] == File.class)
+                            .filter(m -> m.getParameterTypes()[4] == long.class)
+                            .findFirst()
+                            .get();
+                } catch (NoSuchElementException e) {
+                    throw new RuntimeException("can't find checkDownloadStatusMethod");
+                }
+            }
+            return checkDownloadStatusMethod;
+        }
     }
 
     public static class NeteaseMusicApplication {