firesunCN · met-pub · Feb 7, 2019 · Feb 7, 2019
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/Main.java b/app/src/main/java/me/firesun/wechat/enhancement/Main.java
@@ -17,6 +17,7 @@
 import me.firesun.wechat.enhancement.plugin.IPlugin;
 import me.firesun.wechat.enhancement.plugin.Limits;
 import me.firesun.wechat.enhancement.plugin.LuckMoney;
+import me.firesun.wechat.enhancement.plugin.SecretFriend;
 import me.firesun.wechat.enhancement.util.HookParams;
 import me.firesun.wechat.enhancement.util.SearchClasses;
 
@@ -33,6 +34,7 @@ public class Main implements IXposedHookLoadPackage {
             new HideModule(),
             new LuckMoney(),
             new Limits(),
+            new SecretFriend()
     };
 
     @Override

diff --git a/app/src/main/java/me/firesun/wechat/enhancement/PreferencesUtils.java b/app/src/main/java/me/firesun/wechat/enhancement/PreferencesUtils.java
@@ -81,6 +81,13 @@ public static boolean isBreakLimit() {
         return getInstance().getBoolean("is_break_limit", false);
     }
 
+    public static boolean isEnableSecretFriend() {
+        return getInstance().getBoolean("is_secret_friend", false);
+    }
+
+    public static String secretFriendIds() {
+        return getInstance().getString("secret_friend_ids", "").replace("，", ",");
+    }
 }
 
 
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/plugin/SecretFriend.java b/app/src/main/java/me/firesun/wechat/enhancement/plugin/SecretFriend.java
@@ -0,0 +1,114 @@
+package me.firesun.wechat.enhancement.plugin;
+
+import android.app.Activity;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.os.Bundle;
+import android.widget.BaseAdapter;
+import android.widget.Toast;
+
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedHelpers;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+import me.firesun.wechat.enhancement.PreferencesUtils;
+import me.firesun.wechat.enhancement.util.HookParams;
+
+import static android.widget.Toast.LENGTH_LONG;
+import static me.firesun.wechat.enhancement.util.ReflectionUtil.log;
+
+public class SecretFriend implements IPlugin {
+
+    //暂时只支持隐藏单个id，多id需要建立对照表
+    private int secretItemIndex = -1;
+    private Class conversationWithCacheAdapterClass;
+
+    @Override
+    public void hook(XC_LoadPackage.LoadPackageParam lpparam) {
+        try {
+            log("SecretFriend hook " + HookParams.getInstance().ConversationWithCacheAdapterClassName);
+            conversationWithCacheAdapterClass = XposedHelpers.findClass(HookParams.getInstance().ConversationWithCacheAdapterClassName, lpparam.classLoader);
+        } catch (Error | Exception e) {
+        }
+
+        XposedHelpers.findAndHookMethod(HookParams.getInstance().ChattingUIClassName, lpparam.classLoader, "onCreate", Bundle.class, new XC_MethodHook() {
+            @Override
+            protected void afterHookedMethod(MethodHookParam param) {
+                try {
+                    if (PreferencesUtils.isEnableSecretFriend()) {
+                        Activity activity = (Activity) param.thisObject;
+                        ClipboardManager cmb = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
+                        String wechatId = activity.getIntent().getStringExtra("Chat_User");
+                        log(wechatId);
+                        cmb.setText(wechatId);
+                        Toast.makeText(activity, "微信ID:" + wechatId + "已复制到剪切板", LENGTH_LONG).show();
+                    }
+                } catch (Error | Exception e) {
+                }
+            }
+        });
+
+//        XposedBridge.hookAllConstructors(HookParams.getInstance().ConversationWithCacheAdapterClass, new XC_MethodHook() {
+//            @Override
+//            protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+//                if (PreferencesUtils.isEnableSecretFriend()) {
+//                    //BaseAdapter adapter = (BaseAdapter) param.thisObject;
+//                    secretItemIndex = -1;
+//                }
+//            }
+//        });
+
+        XposedHelpers.findAndHookMethod(conversationWithCacheAdapterClass.getSuperclass(),
+                HookParams.getInstance().MMBaseAdapter_getItemInternal, int.class, new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                if (PreferencesUtils.isEnableSecretFriend() && secretItemIndex > -1) {
+                    BaseAdapter adapter = (BaseAdapter) param.thisObject;
+                    if (adapter.getClass().equals(conversationWithCacheAdapterClass)) {
+                        int index = (int) param.args[0];
+                        if (index >= secretItemIndex) {
+                            param.args[0] = index + 1;
+                        }
+                    }
+                }
+            }
+        });
+
+        XposedHelpers.findAndHookMethod(conversationWithCacheAdapterClass.getSuperclass(),"getCount", new XC_MethodHook() {
+            @Override
+            protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+                if (PreferencesUtils.isEnableSecretFriend()) {
+                    log("getCount: " + param.thisObject.getClass().getName());
+                    if (param.thisObject.getClass().equals(conversationWithCacheAdapterClass)) {
+                        if (secretItemIndex > -1) {
+                            int size = (int) param.getResult();
+                            log("count: " + size);
+                            if (size > 0) {
+                                param.setResult(size - 1);
+                            }
+                        }
+                    }
+                }
+            }
+        });
+
+        // Hook notifyDataSetChanged() of base adapters
+        XposedHelpers.findAndHookMethod(BaseAdapter.class, "notifyDataSetChanged", new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                if (PreferencesUtils.isEnableSecretFriend()) {
+                    BaseAdapter adapter = (BaseAdapter) param.thisObject;
+                    if (adapter.getClass().equals(conversationWithCacheAdapterClass)) {
+                        secretItemIndex = -1;
+                        for (int i = 0; i < adapter.getCount(); i++) {
+                            String username = (String) XposedHelpers.getObjectField(adapter.getItem(i), "field_username");
+                            if (username.equals(PreferencesUtils.secretFriendIds())) {
+                                secretItemIndex = i;
+                                break;
+                            }
+                        }
+                    }
+                }
+            }
+        });
+    }
+}
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java b/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java
@@ -4,7 +4,7 @@ public class HookParams {
     public static final String SAVE_WECHAT_ENHANCEMENT_CONFIG = "wechat.intent.action.SAVE_WECHAT_ENHANCEMENT_CONFIG";
     public static final String WECHAT_ENHANCEMENT_CONFIG_NAME = "wechat_enhancement_config";
     public static final String WECHAT_PACKAGE_NAME = "com.tencent.mm";
-    public static final int VERSION_CODE = 46; //大版本变动时候才需要修改
+    public static final int VERSION_CODE = 47; //大版本变动时候才需要修改
 
     public String SQLiteDatabaseClassName = "com.tencent.wcdb.database.SQLiteDatabase";
     public String SQLiteDatabaseUpdateMethod = "updateWithOnConflict";
@@ -40,6 +40,13 @@ public class HookParams {
     public String versionName;
     public int versionCode;
 
+    public String ChattingUIClassName = "com.tencent.mm.ui.chatting.ChattingUI";
+//    public Class ConversationWithCacheAdapterClass;
+    public String ConversationWithCacheAdapterClassName;
+//    public Class MMBaseAdapterClass;
+    public String MMBaseAdapterClassName;
+    public String MMBaseAdapter_getItemInternal;
+
     private static HookParams instance = null;
 
     private HookParams() {

diff --git a/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java b/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java
@@ -292,6 +292,28 @@ public final Classes filterByMethod(Class returnType, String methodName, Class..
             return new Classes(arrayList);
         }
 
+        public final Classes filterByMethod(String methodName, Class... parameterTypes) {
+            List arrayList = new ArrayList();
+            for (Object next : this.classes) {
+                Method method = ReflectionUtil.findMethodExactIfExists((Class) next, methodName, (Class[]) Arrays.copyOf(parameterTypes, parameterTypes.length));
+                if (method != null) {
+                    arrayList.add(next);
+                }
+            }
+
+            return new Classes(arrayList);
+        }
+
+        public final Classes filterBySuper(Class superClass) {
+            List arrayList = new ArrayList();
+            for (Class next : this.classes) {
+                if (next.getSuperclass() == superClass) {
+                    arrayList.add(next);
+                }
+            }
+            return new Classes(arrayList);
+        }
+
         public final Class<?> firstOrNull() {
             if (this.classes.isEmpty())
                 return null;
@@ -303,5 +325,6 @@ else if (this.classes.size() > 1) {
             }
             return this.classes.get(0);
         }
+
     }
 }
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/util/SearchClasses.java b/app/src/main/java/me/firesun/wechat/enhancement/util/SearchClasses.java
@@ -11,6 +11,7 @@
 
 import org.json.JSONObject;
 
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -200,6 +201,35 @@ public static void generateConfig(String wechatApk, ClassLoader classLoader, Str
         } catch (Error | Exception e) {
             log("Search Photo Limits Classes Failed!");
         }
+
+        //SecretFriend
+        try {
+            Class conversationWithCacheAdapterClass = ReflectionUtil.findClassesFromPackage(classLoader, wxClasses, "com.tencent.mm.ui.conversation", 0)
+                    .filterByMethod("clearCache")
+                    .firstOrNull();
+            hp.ConversationWithCacheAdapterClassName = conversationWithCacheAdapterClass.getName();
+            log("ConversationWithCacheAdapterClassName: " + hp.ConversationWithCacheAdapterClassName);
+            log(conversationWithCacheAdapterClass.getSuperclass().getName());
+
+//            Class MMBaseAdapterClass = ReflectionUtil.findClassesFromPackage(classLoader, wxClasses, "com.tencent.mm.ui", 0)
+//                    .filterBySuper(BaseAdapter.class)
+//                    .filterByField("TAG", "java.lang.String")
+//                    .firstOrNull();
+            Class MMBaseAdapterClass = conversationWithCacheAdapterClass.getSuperclass();
+            hp.MMBaseAdapterClassName = MMBaseAdapterClass.getName();
+            log("MMBaseAdapterClassName: " + hp.MMBaseAdapterClassName);
+            for (Method m: MMBaseAdapterClass.getDeclaredMethods()) {
+                if (m.getParameterTypes().length == 1 && m.getParameterTypes()[0] == int.class
+                        && !"getItem".equals(m.getName()) && !"getItemId".equals(m.getName())) {
+                    hp.MMBaseAdapter_getItemInternal = m.getName();
+                    log(hp.MMBaseAdapter_getItemInternal);
+                    break;
+                }
+            }
+        } catch (Error | Exception e) {
+            log("Search ConversationWithCacheAdapter Classes Failed! " + e);
+            //throw e;
+        }
     }
 
     private static int getVersionNum(String version) {

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -36,4 +36,7 @@
     <string name="generate_success">生成配置成功</string>
     <string name="generate_failed">生成配置失败</string>
     <string name="generating">正在生成配置…</string>
+    <string name="secret_friend">私密好友</string>
+    <string name="pref_enable_secret_friend">启用私密好友</string>
+    <string name="secret_friend_ids">私密好友清单</string>
 </resources>
diff --git a/app/src/main/res/xml/pref_setting.xml b/app/src/main/res/xml/pref_setting.xml
@@ -102,6 +102,16 @@
     </PreferenceCategory>
 
 
+    <PreferenceCategory android:title="@string/secret_friend">
+        <SwitchPreference
+            android:defaultValue="true"
+            android:key="is_secret_friend"
+            android:title="@string/pref_enable_secret_friend" />
+        <EditTextPreference
+            android:dependency="is_secret_friend"
+            android:key="secret_friend_ids"
+            android:title="@string/secret_friend_ids" />
+    </PreferenceCategory>
 
 
     <PreferenceCategory android:title="@string/about">