被删重新发送
全文可以查看：
上面一遍unidbg解密shield文章
unidbg - 》 callObjectMethodV方法填写你的小红书路径下s.xml里的值:
或者在抓包响应头中: 查找xy-ter-str
hmac 结果都是在，响应头里，所以 hmac 是服务器下发给客户端的.
@Override
public DvmObject<?> callObjectMethodV(BaseVM vm, DvmObject<?> dvmObject, String signature, VaList vaList) {
switch (signature) {
case "android/content/Context->getSharedPreferences(Ljava/lang/String;I)Landroid/content/SharedPreferences;":
return vm.resolveClass("android/content/SharedPreferences").newObject(vaList.getObjectArg(0));
case "android/content/SharedPreferences->getString(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;": {
if(((StringObject) dvmObject.getValue()).getValue().equals("s")){
System.out.println("getString :"+vaList.getObjectArg(0).getValue());
if (vaList.getObjectArg(0).getValue().equals("main")) {
return new StringObject(vm, "");
}
if(vaList.getObjectArg(0).getValue().equals("main_hmac")){
return new StringObject(vm, "a9+xPqTwWr7ua8QlDuTyLjvNTAszAxbIhBWeugeCNpcorLQJTUiH6JbLFDrW1cypknldr7izHSeoGQ1HzB6VAVu7iMG6FU1+bEt7/e+9cx6LmeDCOKSapcI9elpXr9ba");
}
}
}
case "okhttp3/Interceptor$Chain->request()Lokhttp3/Request;": {
DvmClass clazz = vm.resolveClass("okhttp3/Request");
return clazz.newObject(request);
}
case "okhttp3/Request->url()Lokhttp3/HttpUrl;": {
DvmClass clazz = vm.resolveClass("okhttp3/HttpUrl");
Request request = (Request) dvmObject.getValue();
return clazz.newObject(request.url());
}
case "okhttp3/HttpUrl->encodedPath()Ljava/lang/String;": {
HttpUrl httpUrl = (HttpUrl) dvmObject.getValue();
return new StringObject(vm, httpUrl.encodedPath());
}
case "okhttp3/HttpUrl->encodedQuery()Ljava/lang/String;": {
HttpUrl httpUrl = (HttpUrl) dvmObject.getValue();
return new StringObject(vm, httpUrl.encodedQuery());
}
case "okhttp3/Request->body()Lokhttp3/RequestBody;": {
Request request = (Request) dvmObject.getValue();
return vm.resolveClass("okhttp3/RequestBody").newObject(request.body());
}
case "okhttp3/Request->headers()Lokhttp3/Headers;": {
Request request = (Request) dvmObject.getValue();
return vm.resolveClass("okhttp3/Headers").newObject(request.headers());
}
case "okio/Buffer->writeString(Ljava/lang/String;Ljava/nio/charset/Charset;)Lokio/Buffer;": {
System.out.println("write to my buffer:"+vaList.getObjectArg(0).getValue());
Buffer buffer = (Buffer) dvmObject.getValue();
buffer.writeString(vaList.getObjectArg(0).getValue().toString(), (Charset) vaList.getObjectArg(1).getValue());
return dvmObject;
}
case "okhttp3/Headers->name(I)Ljava/lang/String;": {
Headers headers = (Headers) dvmObject.getValue();
return new StringObject(vm, headers.name(vaList.getIntArg(0)));
}
case "okhttp3/Headers->value(I)Ljava/lang/String;": {
Headers headers = (Headers) dvmObject.getValue();
return new StringObject(vm, headers.value(vaList.getIntArg(0)));
}
case "okio/Buffer->clone()Lokio/Buffer;": {
Buffer buffer = (Buffer) dvmObject.getValue();
return vm.resolveClass("okio/Buffer").newObject(buffer.clone());
}
case "okhttp3/Request->newBuilder()Lokhttp3/Request$Builder;": {
Request request = (Request) dvmObject.getValue();
return vm.resolveClass("okhttp3/Request$Builder").newObject(request.newBuilder());
}
case "okhttp3/Request$Builder->header(Ljava/lang/String;Ljava/lang/String;)Lokhttp3/Request$Builder;": {
Request.Builder builder = (Request.Builder) dvmObject.getValue();
builder.header(vaList.getObjectArg(0).getValue().toString(), vaList.getObjectArg(1).getValue().toString());
return dvmObject;
}
case "okhttp3/Request$Builder->build()Lokhttp3/Request;": {
Request.Builder builder = (Request.Builder) dvmObject.getValue();
return vm.resolveClass("okhttp3/Request").newObject(builder.build());
}
case "okhttp3/Interceptor$Chain->proceed(Lokhttp3/Request;)Lokhttp3/Response;": {
return vm.resolveClass("okhttp3/Response").newObject(null);
}
}
return super.callObjectMethodV(vm, dvmObject, signature, vaList);
}