[maimai2] Enable isNetUser flag and implement scorecard upload

src/main/java/icu/samnyan/aqua/sega/maimai2/handler/impl/UploadUserPhotoHandler.java

@@ -0,0 +1,70 @@
+package icu.samnyan.aqua.sega.maimai2.handler.impl;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import icu.samnyan.aqua.sega.maimai2.handler.BaseHandler;
+import icu.samnyan.aqua.sega.maimai2.model.request.UploadUserPhoto;
+import icu.samnyan.aqua.sega.maimai2.model.request.data.UserPhoto;
+import icu.samnyan.aqua.sega.util.jackson.BasicMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.util.Base64;
+import java.util.Map;
+
+/**
+ * @author samnyan (privateamusement@protonmail.com)
+ */
+@Component
+public class UploadUserPhotoHandler implements BaseHandler {
+
+    private static final Logger logger = LoggerFactory.getLogger(UploadUserPhotoHandler.class);
+
+    private final BasicMapper mapper;
+
+    public UploadUserPhotoHandler(BasicMapper mapper) {
+        this.mapper = mapper;
+    }
+
+    @Override
+    public String handle(Map<String, Object> request) throws JsonProcessingException {
+        /*
+        Maimai DX sends splited base64 data for one jpeg image.
+        So, make a temp file and keep append bytes until last part received.
+        If finished, rename it to other name so user can keep save multiple score cards in a single day.
+        */
+
+        UploadUserPhoto uploadUserPhoto = mapper.convert(request, UploadUserPhoto.class);
+        UserPhoto userPhoto = uploadUserPhoto.getUserPhoto();
+
+        long userId = userPhoto.getUserId();
+        int trackNo = userPhoto.getTrackNo();
+
+        int divNumber = userPhoto.getDivNumber();
+        int divLength = userPhoto.getDivLength();
+        String divData = userPhoto.getDivData();
+
+        try {
+            String tmp_filename = userId + "-" + trackNo + ".tmp";
+            byte[] imageData = Base64.getDecoder().decode(divData);
+            Files.write(Paths.get("data/" + tmp_filename), imageData, StandardOpenOption.CREATE, StandardOpenOption.APPEND);
+
+            if (divNumber == (divLength - 1)) {
+                String filename = userId + "-" + LocalDateTime.now().toEpochSecond(ZoneOffset.UTC) + ".jpg";
+                Files.move(Paths.get("data/" + tmp_filename), Paths.get("data/" + filename));
+            }
+        } catch (IOException e) {
+            logger.error("Result: User photo save failed", e);
+        }
+
+        logger.info("Result: User photo saved");
+
+        return "{\"returnCode\":1,\"apiName\":\"com.sega.maimai2servlet.api.UploadUserPhotoApi\"}";
+    }
+}

src/main/java/icu/samnyan/aqua/sega/maimai2/handler/impl/UpsertUserAllHandler.java

@@ -98,6 +98,9 @@ public class UpsertUserAllHandler implements BaseHandler {
             String userName = new String(newUserData.getUserName());
 
             newUserData.setUserName(userName);
+
+            // Set isNetMember value to 1, which enables some in-game features.
+            newUserData.setIsNetMember(1);
             userDataRepository.saveAndFlush(newUserData);
         }