add some routes

.env.example

@@ -0,0 +1 @@
+SERVER=TW

.gitignore

@@ -0,0 +1,4 @@
+resp/
+.env
+db.json
+.idea

gen/gen.go

@@ -24,18 +24,23 @@ func main() {
 	moduleName := "bdgrp_go"
 
 	filepath.WalkDir("routes", func(path string, d os.DirEntry, err error) error {
-		if err != nil || !d.IsDir() || path == "routes" {
+		if err != nil || d.IsDir() {
 			return nil
 		}
 
-		entries, _ := os.ReadDir(path)
-		for _, e := range entries {
-			if !e.IsDir() && strings.HasSuffix(e.Name(), ".go") {
-				pkg := moduleName + "/" + filepath.ToSlash(path)
+		if !strings.HasSuffix(d.Name(), ".go") {
+			return nil
+		}
+
+		pkg := moduleName + "/" + filepath.ToSlash(filepath.Dir(path))
+
+		for _, p := range packages {
+			if p == pkg {
+				return nil
+			}
+		}
+
 		packages = append(packages, pkg)
-				break
-			}
-		}
 		return nil
 	})
 

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/gofiber/fiber/v2 v2.52.15
 	github.com/gookit/color v1.6.1
 	github.com/joho/godotenv v1.5.1
+	google.golang.org/protobuf v1.36.12
 )
 
 require (

go.sum

@@ -2,6 +2,8 @@ github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
 github.com/gofiber/fiber/v2 v2.52.15 h1:Cov1uKeVPyu9q0jSrN60W+A8XNX+/WK8J7cy5osHLIk=
 github.com/gofiber/fiber/v2 v2.52.15/go.mod h1:YEcBbO/FB+5M1IZNBP9FO3J9281zgPAreiI1oqg8nDw=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gookit/assert v0.1.1 h1:lh3GcawXe/p+cU7ESTZ5Ui3Sm/x8JWpIis4/1aF0mY0=
@@ -35,3 +37,5 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
 golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+google.golang.org/protobuf v1.36.12 h1:pJOKDDOyeXErUroCihFAd5LQuwXBSpVnKGrj5o/fwxc=
+google.golang.org/protobuf v1.36.12/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=

pbutil/pbutil.go

@@ -0,0 +1,54 @@
+package pbutil
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	_ "bdgrp_go/proto/cn"
+	_ "bdgrp_go/proto/gl"
+	_ "bdgrp_go/proto/jp"
+	_ "bdgrp_go/proto/tw"
+
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
+)
+
+func fullName(message string) protoreflect.FullName {
+	server := strings.ToLower(os.Getenv("SERVER"))
+	// twdori.proto.ce.UserLogin
+	return protoreflect.FullName(fmt.Sprintf("%sdori.proto.ce.%s", server, message))
+}
+
+func Decode(message string, data []byte) (proto.Message, error) {
+	mt, err := protoregistry.GlobalTypes.FindMessageByName(fullName(message))
+	if err != nil {
+		return nil, fmt.Errorf("message %s not found", message)
+	}
+
+	msg := mt.New().Interface()
+	if err := proto.Unmarshal(data, msg); err != nil {
+		return nil, err
+	}
+
+	return msg, nil
+}
+
+func Encode(message string, data map[string]any) ([]byte, error) {
+	mt, err := protoregistry.GlobalTypes.FindMessageByName(fullName(message))
+	if err != nil {
+		return nil, fmt.Errorf("message %s not found", message)
+	}
+
+	msg := mt.New().Interface()
+	// map → json → proto
+	jsonBytes, _ := json.Marshal(data)
+	if err := protojson.Unmarshal(jsonBytes, msg); err != nil {
+		return nil, err
+	}
+
+	return proto.Marshal(msg)
+}

routes/api/acdm/userid.go

@@ -0,0 +1,20 @@
+package acdm
+
+import (
+	"fmt"
+
+	"bdgrp_go/routes"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	routes.Register(func(app *fiber.App) {
+		app.Get("/api/acdm/:userid", acdm)
+		fmt.Println("Loaded: /api/acdm/:userid")
+	})
+}
+
+func acdm(c *fiber.Ctx) error {
+	return c.SendString("")
+}

routes/api/application.go

@@ -0,0 +1,54 @@
+package api
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"bdgrp_go/routes"
+	"bdgrp_go/routes/upstream"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	path := routes.PathOf()
+	routes.Register(func(app *fiber.App) {
+		app.Get(path, application)
+		fmt.Println("Loaded:", path)
+	})
+}
+
+func application(c *fiber.Ctx) error {
+	server := os.Getenv("SERVER")
+	cachePath := filepath.Join("resp", server, "application.binpb")
+
+	headers := map[string]string{
+		"User-Agent":      c.Get("User-Agent"),
+		"Content-Type":    c.Get("Content-Type"),
+		"Accept":          c.Get("Accept"),
+		"Accept-Encoding": c.Get("Accept-Encoding"),
+		"x-clientversion": c.Get("x-clientversion"),
+	}
+
+	if server == "CN" {
+		headers["x-platformid"] = c.Get("x-platformid")
+		headers["x-deviceid"] = c.Get("x-deviceid")
+		headers["x-channelid"] = c.Get("x-channelid")
+		headers["x-clientplatform"] = c.Get("x-clientplatform")
+	}
+
+	url := fmt.Sprintf("%s/api/application", upstream.BaseUrl())
+	data, err := upstream.Fetch(url, headers)
+	if err != nil {
+		// fallback 到 cache
+		data, err = os.ReadFile(cachePath)
+		if err != nil {
+			return c.Status(500).SendString("no cache available")
+		}
+	} else {
+		os.WriteFile(cachePath, data, 0644)
+	}
+
+	return c.Send(data)
+}

routes/api/cleanupinfo.go

@@ -0,0 +1,54 @@
+package api
+
+import (
+	"bdgrp_go/routes/upstream"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"bdgrp_go/routes"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	path := routes.PathOf()
+	routes.Register(func(app *fiber.App) {
+		app.Get(path, cleanupinfo)
+		fmt.Println("Loaded:", path)
+	})
+}
+
+func cleanupinfo(c *fiber.Ctx) error {
+	server := os.Getenv("SERVER")
+	cachePath := filepath.Join("resp", server, "cleanupinfo.binpb")
+
+	headers := map[string]string{
+		"User-Agent":      c.Get("User-Agent"),
+		"Content-Type":    c.Get("Content-Type"),
+		"Accept":          c.Get("Accept"),
+		"Accept-Encoding": c.Get("Accept-Encoding"),
+		"x-clientversion": c.Get("x-clientversion"),
+	}
+
+	if server == "CN" {
+		headers["x-platformid"] = c.Get("x-platformid")
+		headers["x-deviceid"] = c.Get("x-deviceid")
+		headers["x-channelid"] = c.Get("x-channelid")
+		headers["x-clientplatform"] = c.Get("x-clientplatform")
+	}
+
+	url := fmt.Sprintf("%s/api/application", upstream.BaseUrl())
+	data, err := upstream.Fetch(url, headers)
+	if err != nil {
+		// fallback 到 cache
+		data, err = os.ReadFile(cachePath)
+		if err != nil {
+			return c.Status(500).SendString("no cache available")
+		}
+	} else {
+		os.WriteFile(cachePath, data, 0644)
+	}
+
+	return c.Send(data)
+}

routes/api/information/overview.go

@@ -0,0 +1,54 @@
+package information
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"bdgrp_go/routes"
+	"bdgrp_go/routes/upstream"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	path := routes.PathOf()
+	routes.Register(func(app *fiber.App) {
+		app.Get(path, application)
+		fmt.Println("Loaded:", path)
+	})
+}
+
+func application(c *fiber.Ctx) error {
+	server := os.Getenv("SERVER")
+	cachePath := filepath.Join("resp", server, "overview.binpb")
+
+	headers := map[string]string{
+		"User-Agent":      c.Get("User-Agent"),
+		"Content-Type":    c.Get("Content-Type"),
+		"Accept":          c.Get("Accept"),
+		"Accept-Encoding": c.Get("Accept-Encoding"),
+		"x-clientversion": c.Get("x-clientversion"),
+	}
+
+	if server == "CN" {
+		headers["x-platformid"] = c.Get("x-platformid")
+		headers["x-deviceid"] = c.Get("x-deviceid")
+		headers["x-channelid"] = c.Get("x-channelid")
+		headers["x-clientplatform"] = c.Get("x-clientplatform")
+	}
+
+	url := fmt.Sprintf("%s/api/information/overview", upstream.BaseUrl())
+	data, err := upstream.Fetch(url, headers)
+	if err != nil {
+		// fallback 到 cache
+		data, err = os.ReadFile(cachePath)
+		if err != nil {
+			return c.Status(500).SendString("no cache available")
+		}
+	} else {
+		os.WriteFile(cachePath, data, 0644)
+	}
+
+	return c.Send(data)
+}

routes/api/system/application.go

@@ -0,0 +1,57 @@
+package system
+
+import (
+	"bdgrp_go/pbutil"
+	"bdgrp_go/routes"
+	"bdgrp_go/utils"
+	"fmt"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	path := routes.PathOf()
+	routes.Register(func(app *fiber.App) {
+		app.Get(path, application)
+		fmt.Println("Loaded:", path)
+	})
+}
+
+func application(c *fiber.Ctx) error {
+	var offset int
+	server := os.Getenv("SERVER")
+
+	switch server {
+	case "TW", "CN":
+		offset = 28800000
+		break
+	case "JP":
+		offset = 32400000
+		break
+	case "GL":
+		offset = 0
+		break
+	}
+
+	data := map[string]any{
+		"serverDate":        strconv.FormatInt(time.Now().Add(27*time.Hour).UnixMilli(), 10),
+		"timeZoneRawOffset": offset,
+	}
+
+	encoded, err := pbutil.Encode("ServerSystem", data)
+
+	if err != nil {
+		fmt.Println(err)
+		return c.Status(500).SendString("")
+	}
+
+	encrypted, err := utils.Encrypt(encoded)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	return c.Send(encrypted)
+}

routes/api/system/config.go

@@ -0,0 +1,50 @@
+package system
+
+import (
+	"bdgrp_go/routes/upstream"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"bdgrp_go/routes"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	path := routes.PathOf()
+	routes.Register(func(app *fiber.App) {
+		app.Get(path, config)
+		fmt.Println("Loaded:", path)
+	})
+}
+
+func config(c *fiber.Ctx) error {
+	server := os.Getenv("SERVER")
+	cachePath := filepath.Join("resp", server, "config.binpb")
+
+	headers := map[string]string{
+		"User-Agent":       c.Get("User-Agent"),
+		"Content-Type":     c.Get("Content-Type"),
+		"Accept":           c.Get("Accept"),
+		"Accept-Encoding":  c.Get("Accept-Encoding"),
+		"x-clientversion":  c.Get("x-clientversion"),
+		"x-platformid":     c.Get("x-platformid"),
+		"x-deviceid":       c.Get("x-deviceid"),
+		"x-channelid":      c.Get("x-channelid"),
+		"x-clientplatform": c.Get("x-clientplatform"),
+	}
+
+	data, err := upstream.Fetch("https://l3-prod-all-bd.bilibiligame.net/api/system/config", headers)
+	if err != nil {
+		// fallback 到 cache
+		data, err = os.ReadFile(cachePath)
+		if err != nil {
+			return c.Status(500).SendString("no cache available")
+		}
+	} else {
+		os.WriteFile(cachePath, data, 0644)
+	}
+
+	return c.Send(data)
+}

routes/helper.go

@@ -0,0 +1,22 @@
+package routes
+
+import (
+	"runtime"
+	"strings"
+)
+
+func PathOf() string {
+	_, file, _, _ := runtime.Caller(1)
+
+	// 取 routes/ 之後的部分
+	idx := strings.Index(file, "routes/")
+	if idx == -1 {
+		return "/"
+	}
+	path := file[idx+len("routes"):]
+
+	// 去掉 .go
+	path = strings.TrimSuffix(path, ".go")
+
+	return path
+}

routes/upstream/upstream.go

@@ -0,0 +1,31 @@
+package upstream
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+var BaseUrls = map[string]string{
+	"TW": "https://v1010-bd.mobimon.com.tw",
+	"JP": "https://api.garupa.jp",
+	"GL": "https://api.app-bang-dream-gbp.com",
+	"CN": "https://l3-prod-all-bd.bilibiligame.net",
+}
+
+func Fetch(url string, headers map[string]string) ([]byte, error) {
+	req, _ := http.NewRequest("GET", url, nil)
+	for k, v := range headers {
+		req.Header.Set(k, v)
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+func BaseUrl() string {
+	return BaseUrls[os.Getenv("SERVER")]
+}

routes_gen.go

@@ -0,0 +1,11 @@
+// Code generated by gen/gen.go — DO NOT EDIT
+package main
+
+import (
+	_ "bdgrp_go/routes/api/acdm"
+	_ "bdgrp_go/routes/api"
+	_ "bdgrp_go/routes/api/information"
+	_ "bdgrp_go/routes/api/system"
+	_ "bdgrp_go/routes"
+	_ "bdgrp_go/routes/upstream"
+)

utils/crypto.go

@@ -0,0 +1,81 @@
+package utils
+
+import (
+	"bytes"
+	"crypto/aes"
+	"crypto/cipher"
+	"fmt"
+	"os"
+)
+
+var keys = map[string]string{
+	"TW": "mikumikulukaluka",
+	"JP": "mikumikulukaluka",
+	"GL": "RXzFAC87WR28eNcP",
+	"CN": "wakakabiliwakaka",
+}
+
+var ivs = map[string]string{
+	"TW": "lukalukamikumiku",
+	"JP": "lukalukamikumiku",
+	"GL": "hrk0k7knXlit3S_y",
+	"CN": "biliwakakawohaha",
+}
+
+func getKeyIV() ([]byte, []byte, error) {
+	server := os.Getenv("SERVER")
+	key, ok := keys[server]
+	if !ok {
+		return nil, nil, fmt.Errorf("unknown server: %s", server)
+	}
+	return []byte(key), []byte(ivs[server]), nil
+}
+
+func Decrypt(buf []byte) ([]byte, error) {
+	key, iv, err := getKeyIV()
+	if err != nil {
+		return nil, err
+	}
+
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(buf)%aes.BlockSize != 0 {
+		return nil, fmt.Errorf("invalid block size")
+	}
+
+	decrypted := make([]byte, len(buf))
+	cipher.NewCBCDecrypter(block, iv).CryptBlocks(decrypted, buf)
+
+	// 手動移除 padding（setAutoPadding(false) 對應）
+	padLen := int(decrypted[len(decrypted)-1])
+	if padLen > 0 && padLen <= 16 && padLen <= len(decrypted) {
+		decrypted = decrypted[:len(decrypted)-padLen]
+	}
+
+	return decrypted, nil
+}
+
+func Encrypt(buf []byte) ([]byte, error) {
+	key, iv, err := getKeyIV()
+	if err != nil {
+		return nil, err
+	}
+
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+
+	// 手動加 PKCS7 padding（setAutoPadding(true) 對應）
+	blockSize := block.BlockSize()
+	padding := blockSize - len(buf)%blockSize
+	padded := append(buf, bytes.Repeat([]byte{byte(padding)}, padding)...)
+
+	encrypted := make([]byte, len(padded))
+	cipher.NewCBCEncrypter(block, iv).CryptBlocks(encrypted, padded)
+
+	return encrypted, nil
+}