Add some features

1. Improve system notification
2. Add message list notification
3. Update screenshot
4. Update README

README-Chinese.md

@@ -10,25 +10,29 @@
 
 ![](Screenshot/0x01.png)
 ![](Screenshot/0x02.png)
+![](Screenshot/0x03.png)
 
 ## 功能
 
 - 阻止消息撤回
+    - 消息列表通知
+    - 系统通知
+    - 正常撤回自己发出的消息
 - 客户端无限多开
     - 右键 Dock Icon 登录新的微信账号
     - 命令行执行：`open -n /Applications/WeChat.app`
-- 阻止退出登录（重新打开应用无需手机认证）
+- 重新打开应用无需手机认证
 
 ## 使用
 
-- `sudo make install`   安装动态库
+- `sudo make install` 安装动态库
 - `sudo make uninstall` 卸载动态库
 
 ## 开发调试
 
 **Requirement: Command Line Tools**
 
-运行命令：`xcode-select --install` 安装 Command Line Tools。
+运行命令：`xcode-select --install` 安装 Command Line Tools
 
 - `make build` 编译 dylib 动态库到当前目录下
 - `make debug` 编译 dylib 动态库并临时注入微信 macOS 客户端

README.md

@@ -10,25 +10,29 @@ A dynamic library tweak for WeChat macOS.
 
 ![](Screenshot/0x01.png)
 ![](Screenshot/0x02.png)
+![](Screenshot/0x03.png)
 
 ## Feature
 
 - Prevent message revoked
+    - Message list notification
+    - System notification
+    - Revoke message you sent
 - Multiple WeChat Instance
     - Right click on the Dock icon to login another WeChat account
     - Run command: `open -n /Applications/WeChat.app`
-- Prevent logout (Auto login without authority)
+- Auto login without authentication
 
 ## Usage
 
-- `sudo make install` Inject the dylib to `WeChat`
+- `sudo make install` Inject the dylib
-- `sudo make uninstall` Uninstall the injection
+- `sudo make uninstall` Uninstall the dylib
 
 ## Development
 
 **Requirement: Command Line Tools**
 
-Run `xcode-select --install` to install Command Line Tools.
+Run `xcode-select --install` to install Command Line Tools
 
 - `make build` Build the dylib file to the same dicrectory
 - `make debug` Build the dylib file and run `WeChat` with dynamic injection

WeChatTweak.m

@@ -3,30 +3,94 @@
 #import <objc/message.h>
 #import <Cocoa/Cocoa.h>
 #import "JRSwizzle.h"
+#import "WeChatTweakHeaders.h"
+
+@implementation NSString (WeChatTweak)
+
+- (NSString *)tweak_sessionFromMessage {
+    NSRange begin = [self rangeOfString:@"<session>"];
+    NSRange end = [self rangeOfString:@"</session>"];
+    NSRange range = NSMakeRange(begin.location + begin.length,end.location - begin.location - begin.length);
+    return [self substringWithRange:range];
+}
+
+- (NSUInteger)tweak_newMessageIDFromMessage {
+    NSRange begin = [self rangeOfString:@"<newmsgid>"];
+    NSRange end = [self rangeOfString:@"</newmsgid>"];
+    NSRange range = NSMakeRange(begin.location + begin.length,end.location - begin.location - begin.length);
+    return [[self substringWithRange:range] longLongValue];
+}
+
+- (NSString *)tweak_replaceMessageFromMessage {
+    NSRange begin = [self rangeOfString:@"<replacemsg><![CDATA["];
+    NSRange end = [self rangeOfString:@"]]></replacemsg>"];
+    NSRange range = NSMakeRange(begin.location + begin.length,end.location - begin.location - begin.length);
+    return [self substringWithRange:range];
+}
+
+@end
 
 @implementation NSObject (WeChatTweak)
 
 #pragma mark - Constructor
 
 static void __attribute__((constructor)) tweak(void) {
-    [objc_getClass("MessageService") jr_swizzleMethod:NSSelectorFromString(@"onRevokeMsg:") withMethod:@selector(tweak_onRevokeMsg:) error:nil];
-    [objc_getClass("CUtility") jr_swizzleClassMethod:NSSelectorFromString(@"HasWechatInstance") withClassMethod:@selector(tweak_HasWechatInstance) error:nil];
     class_addMethod(objc_getClass("AppDelegate"), @selector(applicationDockMenu:), method_getImplementation(class_getInstanceMethod(objc_getClass("AppDelegate"), @selector(tweak_applicationDockMenu:))), "@:@");
     [objc_getClass("AppDelegate") jr_swizzleMethod:NSSelectorFromString(@"applicationDidFinishLaunching:") withMethod:@selector(tweak_applicationDidFinishLaunching:) error:nil];
     [objc_getClass("AppDelegate") jr_swizzleMethod:NSSelectorFromString(@"applicationShouldTerminate:") withMethod:@selector(tweak_applicationShouldTerminate:) error:nil];
+    [objc_getClass("MessageService") jr_swizzleMethod:NSSelectorFromString(@"onRevokeMsg:") withMethod:@selector(tweak_onRevokeMsg:) error:nil];
+    [objc_getClass("CUtility") jr_swizzleClassMethod:NSSelectorFromString(@"HasWechatInstance") withClassMethod:@selector(tweak_HasWechatInstance) error:nil];
 }
 
 #pragma mark - No Revoke Message
 
 - (void)tweak_onRevokeMsg:(NSString *)message {
-    NSRange begin = [message rangeOfString:@"<replacemsg><![CDATA["];
+    // Decode message
-    NSRange end = [message rangeOfString:@"]]></replacemsg>"];
+    NSString *session = [message tweak_sessionFromMessage];
-    NSRange subRange = NSMakeRange(begin.location + begin.length,end.location - begin.location - begin.length);
+    NSUInteger newMessageID = [message tweak_newMessageIDFromMessage];
-    NSString *informativeText = [message substringWithRange:subRange];
+    NSString *replaceMessage = [message tweak_replaceMessageFromMessage];
+
+    // Prepare message data
+    MessageData *localMessageData = [((MessageService *)self) GetMsgData:session svrId:newMessageID];
+    MessageData *promptMessageData = ({
+        MessageData *data = [[objc_getClass("MessageData") alloc] init];
+        data.messageType = 10000;
+        data.msgStatus = 4;
+        data.toUsrName = localMessageData.toUsrName;
+        data.fromUsrName = localMessageData.fromUsrName;
+        data.msgCreateTime = localMessageData.msgCreateTime;
+        if ([localMessageData isSendFromSelf]) {
+            data.mesLocalID = localMessageData.mesLocalID;
+            data.msgContent = replaceMessage;
+        } else {
+            data.mesLocalID = localMessageData.mesLocalID + 1;
+            data.msgContent = [NSString stringWithFormat:@"[已拦截]\n%@", replaceMessage];
+        }
+        data;
+    });
+
+    // Prepare notification information
+    NSUserNotification *userNotification = [[NSUserNotification alloc] init];
+    if ([session rangeOfString:@"@chatroom"].location == NSNotFound) {
+        userNotification.informativeText = replaceMessage;
+    } else {
+        GroupStorage *groupStorage = [[objc_getClass("MMServiceCenter") defaultCenter] getService:objc_getClass("GroupStorage")];
+        WCContactData *groupContact = [groupStorage GetGroupContact: session];
+        NSString *groupName = groupContact.m_nsNickName.length ? groupContact.m_nsNickName : @"群组";
+        userNotification.informativeText = [NSString stringWithFormat:@"%@: %@", groupName, replaceMessage];
+    }
+
+    // Dispatch notification
     dispatch_async(dispatch_get_main_queue(), ^{
-        NSUserNotification *userNotification = [[NSUserNotification alloc] init];
+        // Delete message if is revoke from myself
-        userNotification.informativeText = informativeText;
+        if ([localMessageData isSendFromSelf]) {
-        [[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification:userNotification];
+            [((MessageService *)self) DelMsg:session msgList:@[localMessageData] isDelAll:NO isManual:YES];
+            [((MessageService *)self) AddRevokePromptMsg:session msgData: promptMessageData];
+        } else {
+            [[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification:userNotification];
+            [((MessageService *)self) AddRevokePromptMsg:session msgData: promptMessageData];
+            [((MessageService *)self) notifyAddMsgOnMainThread:session msgData: promptMessageData];
+        }
     });
 }
 
@@ -51,7 +115,7 @@ static void __attribute__((constructor)) tweak(void) {
     [task launch];
 }
 
-#pragma mark - No Logout
+#pragma mark - Auto auth
 
 - (void)tweak_applicationDidFinishLaunching:(NSNotification *)notification {
     [self tweak_applicationDidFinishLaunching:notification];

WeChatTweakHeaders.h

@@ -0,0 +1,44 @@
+#import <Foundation/Foundation.h>
+#import <Cocoa/Cocoa.h>
+
+@interface MessageData: NSObject
+
+@property(nonatomic) unsigned int messageType;
+@property(nonatomic) unsigned int msgStatus;
+@property(retain, nonatomic) NSString *toUsrName;
+@property(retain, nonatomic) NSString *fromUsrName;
+@property(retain, nonatomic) NSString *msgContent;
+@property(nonatomic) unsigned int msgCreateTime;
+@property(nonatomic) unsigned int mesLocalID;
+
+- (BOOL)isSendFromSelf;
+
+@end
+
+@interface WCContactData : NSObject
+
+@property(retain, nonatomic) NSString *m_nsNickName;
+
+@end
+
+@interface GroupStorage: NSObject
+
+- (id)GetGroupContact:(id)arg1;
+
+@end
+
+@interface MMServiceCenter : NSObject
+
++ (id)defaultCenter;
+- (id)getService:(Class)arg1;
+
+@end
+
+@interface MessageService: NSObject
+
+- (id)GetMsgData:(id)arg1 svrId:(unsigned long long)arg2;
+- (void)DelMsg:(id)arg1 msgList:(id)arg2 isDelAll:(BOOL)arg3 isManual:(BOOL)arg4;
+- (void)AddRevokePromptMsg:(id)arg1 msgData:(id)arg2;
+- (void)notifyAddMsgOnMainThread:(id)arg1 msgData:(id)arg2;
+
+@end