mirror of
https://github.com/Walter-Sparrow/lunar-tear.git
synced 2026-07-02 05:43:41 +03:00
Ilya Groshev
fa2a124d47
Build and Push Docker images to Docker Hub / build-and-push (push) Has been cancelled
494 lines
17 KiB
Go
494 lines
17 KiB
Go
package service
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"io"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"sync"
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)
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const termsVersionMarker = "###123###"
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const privacyVersionMarker = "###123###"
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const informationPage = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Lunar Tear</title>
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<style>
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body { margin:0; padding:40px 20px; font-family:"Noto Sans",sans-serif;
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background:#0a0a0f; color:#d4cfc6; text-align:center; }
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h1 { font-size:1.4em; letter-spacing:.15em; color:#e8e0d0; margin-bottom:4px; }
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.sub { font-size:.75em; color:#888; margin-bottom:32px; }
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.sep { width:60px; border:none; border-top:1px solid #333; margin:24px auto; }
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p { font-size:.85em; line-height:1.6; color:#999; max-width:360px; margin:0 auto 12px; }
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a { color:#a0c4e8; text-decoration:none; }
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</style>
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</head>
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<body>
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<h1>LUNAR TEAR</h1>
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<div class="sub">Private Preservation Server</div>
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<hr class="sep">
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<p>A community effort to keep NieR Re[in]carnation playable after official service ended.</p>
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<p>This server is not affiliated with or endorsed by SQUARE ENIX or Applibot.</p>
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<hr class="sep">
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<p style="font-size:.7em;color:#666;">© SQUARE ENIX / Applibot — All game assets belong to their respective owners.</p>
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</body>
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</html>`
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const panelMissionPage = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Panel Missions</title>
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<style>
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body { margin:0; padding:48px 20px; font-family:"Noto Sans",sans-serif;
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background:#0a0a0f; color:#d4cfc6; text-align:center; }
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h1 { font-size:1.3em; letter-spacing:.15em; color:#e8e0d0; margin-bottom:6px; }
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.sub { font-size:.75em; color:#888; margin-bottom:28px; }
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.sep { width:60px; border:none; border-top:1px solid #333; margin:24px auto; }
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p { font-size:.85em; line-height:1.6; color:#999; max-width:340px; margin:0 auto; }
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</style>
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</head>
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<body>
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<h1>PANEL MISSIONS</h1>
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<div class="sub">Card Stories</div>
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<hr class="sep">
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<p>All panel missions are cleared.</p>
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<p>Their Card Stories are available in Library › Extra Stories.</p>
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</body>
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</html>`
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// resourcesURLOriginal is the base URL embedded in list.bin; must be replaced with same-length (43 bytes) when rewriting.
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const resourcesURLOriginal = "https://resources.app.nierreincarnation.com"
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type OctoHTTPServer struct {
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mux *http.ServeMux
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ResourcesBaseURL string // if non-empty and exactly 43 chars, list.bin is rewritten to use this base for asset URLs
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BaseDir string // root directory containing the assets/ tree; empty means current directory
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revisions *revisionTracker
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resolver *assetResolver
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}
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func staticPageLanguage(path string) string {
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parts := strings.Split(path, "/")
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for i := 0; i+1 < len(parts); i++ {
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if parts[i] == "static" && parts[i+1] != "" {
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return parts[i+1]
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}
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}
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return "unknown"
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}
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func renderStaticTermsPage(title, language, version string) string {
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return "<html><head><title>" + title + "</title></head><body><h1>" + title +
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"</h1><p>Language: " + language + "</p><p>Version: " + version + "</p></body></html>"
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}
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// countResponseWriter wraps http.ResponseWriter and counts bytes written.
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type countResponseWriter struct {
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http.ResponseWriter
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n int64
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}
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type fileMD5Entry struct {
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size int64
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modTime int64
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md5 string
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}
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var (
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fileMD5Cache = make(map[string]fileMD5Entry)
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fileMD5CacheMu sync.RWMutex
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)
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func (c *countResponseWriter) Write(p []byte) (int, error) {
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n, err := c.ResponseWriter.Write(p)
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c.n += int64(n)
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return n, err
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}
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func fileMD5Hex(path string, info os.FileInfo) (string, error) {
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modTime := info.ModTime().UnixNano()
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fileMD5CacheMu.RLock()
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cached, ok := fileMD5Cache[path]
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fileMD5CacheMu.RUnlock()
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if ok && cached.size == info.Size() && cached.modTime == modTime {
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return cached.md5, nil
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}
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f, err := os.Open(path)
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if err != nil {
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return "", err
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}
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defer f.Close()
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h := md5.New()
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if _, err := io.Copy(h, f); err != nil {
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return "", err
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}
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sum := hex.EncodeToString(h.Sum(nil))
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fileMD5CacheMu.Lock()
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fileMD5Cache[path] = fileMD5Entry{
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size: info.Size(),
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modTime: modTime,
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md5: sum,
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}
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fileMD5CacheMu.Unlock()
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return sum, nil
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}
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func NewOctoHTTPServer(resourcesBaseURL, baseDir string) *OctoHTTPServer {
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s := &OctoHTTPServer{
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mux: http.NewServeMux(),
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ResourcesBaseURL: resourcesBaseURL,
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BaseDir: baseDir,
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revisions: newRevisionTracker(),
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resolver: newAssetResolver(baseDir),
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}
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s.resolver.Prewarm("0", platformAndroid)
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s.resolver.Prewarm("0", platformIOS)
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s.resolver.Prewarm("0", "")
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s.mux.HandleFunc("/", s.handleAll)
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return s
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}
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func (s *OctoHTTPServer) Handler() http.Handler {
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return s.mux
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}
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// listBinPath prefers the platform-split list.bin and falls back to the un-split shared tree
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// when the platform-specific file is missing, so operators with a single unified asset dump
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// keep working.
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func (s *OctoHTTPServer) listBinPath(revision, platform string) string {
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p := filepath.Join(s.BaseDir, "assets", "revisions", revision, platform, "list.bin")
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if _, err := os.Stat(p); err == nil {
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return p
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}
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return filepath.Join(s.BaseDir, "assets", "revisions", revision, "list.bin")
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}
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func (s *OctoHTTPServer) handleAll(w http.ResponseWriter, r *http.Request) {
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path := r.URL.Path
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platform := platformFromUserAgent(r)
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isAssetRequest := strings.Contains(path, "/unso-")
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isMasterDataRequest := strings.Contains(path, "/assets/release/") && strings.Contains(path, "database.bin")
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if !isAssetRequest && !isMasterDataRequest {
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log.Printf("[HTTP] %s %s (Host: %s, platform: %s)", r.Method, r.URL.String(), r.Host, platform)
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for k, v := range r.Header {
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log.Printf("[HTTP] %s: %s", k, v)
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}
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}
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// Octo v2 API — asset bundle management
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if strings.HasPrefix(path, "/v2/") {
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s.handleOctoV2(w, r, path, platform)
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return
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}
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// Octo v1 list: /v1/list/{version}/{revision} — same list.bin as v2, keyed by revision
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if strings.HasPrefix(path, "/v1/list/") {
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s.serveOctoV1List(w, r, path, platform)
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return
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}
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// Game web API requests
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if strings.Contains(path, "/web/") || strings.Contains(r.Host, "web.app.nierreincarnation") {
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s.handleWebAPI(w, r, path)
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return
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}
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// Master data download (should not be reached if version matches)
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if strings.HasPrefix(path, "/master-data/") {
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log.Printf("[HTTP] Master data request for path: %s — returning empty", path)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.Header().Set("Content-Length", "0")
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w.WriteHeader(200)
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return
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}
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// /assets/release/{version}/database.bin.e — master data (HEAD/GET), same as MariesWonderland
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if strings.Contains(path, "/assets/release/") && strings.Contains(path, "database.bin") {
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s.serveDatabaseBinE(w, r, path)
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return
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}
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// Asset bundle requests (from list.bin URLs: .../unso-{v}-{type}/{o}?generation=...&alt=media)
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if strings.Contains(path, "/unso-") {
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s.serveUnsoAsset(w, r, path, platform)
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return
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}
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// In-game information / news page
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if strings.Contains(path, "/information") {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.WriteHeader(200)
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w.Write([]byte(informationPage))
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return
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}
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// Log request body for debugging Octo protocol
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if r.Body != nil {
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body := make([]byte, 4096)
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n, _ := r.Body.Read(body)
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if n > 0 {
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log.Printf("[HTTP] body (%d bytes): %x", n, body[:n])
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if n < 256 {
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log.Printf("[HTTP] body (ascii): %s", string(body[:n]))
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}
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}
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}
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log.Printf("[HTTP] >>> UNHANDLED REQUEST: %s %s — returning empty 200", r.Method, path)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(200)
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w.Write([]byte{})
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}
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func (s *OctoHTTPServer) handleOctoV2(w http.ResponseWriter, r *http.Request, path, platform string) {
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log.Printf("[OctoV2] %s %s (platform=%s)", r.Method, path, platform)
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// /v2/pub/a/{appId}/v/{version}/list/{offset} — resource listing
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if strings.Contains(path, "/list/") {
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parts := strings.Split(path, "/")
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if len(parts) > 0 {
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requestedRevision := parts[len(parts)-1]
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if requestedRevision != "" {
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revision := "0"
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filePath := s.listBinPath(revision, platform)
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if requestedRevision != revision {
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log.Printf("[OctoV2] Resource list request revision=%s canonicalized to revision=%s", requestedRevision, revision)
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}
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log.Printf("[OctoV2] Resource list request — serving %s (requested_revision=%s canonical_revision=%s platform=%s)", filePath, requestedRevision, revision, platform)
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s.revisions.Remember(r.RemoteAddr, revision)
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go s.resolver.Prewarm(revision, platform)
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s.serveListBin(w, filePath)
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return
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}
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}
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log.Printf("[OctoV2] Resource list request without revision segment — returning empty protobuf")
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w.Header().Set("Content-Type", "application/x-protobuf")
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w.WriteHeader(http.StatusOK)
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return
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}
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// /v2/pub/a/{appId}/v/{version}/info — DB info
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if strings.Contains(path, "/info") {
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log.Printf("[OctoV2] Info request — returning empty protobuf")
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w.Header().Set("Content-Type", "application/x-protobuf")
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w.WriteHeader(200)
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return
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}
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log.Printf("[OctoV2] Unknown endpoint: %s — returning empty protobuf", path)
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w.Header().Set("Content-Type", "application/x-protobuf")
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w.WriteHeader(200)
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}
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// serveOctoV1List handles GET /v1/list/{version}/{revision} — serves assets/revisions/{revision}/{platform}/list.bin.
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func (s *OctoHTTPServer) serveOctoV1List(w http.ResponseWriter, r *http.Request, path, platform string) {
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parts := strings.Split(strings.Trim(path, "/"), "/")
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// ["v1", "list", "300116832", "0"] -> revision = last segment
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requestedRevision := "0"
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if len(parts) >= 4 {
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requestedRevision = parts[len(parts)-1]
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}
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revision := "0"
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filePath := s.listBinPath(revision, platform)
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if requestedRevision != revision {
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log.Printf("[OctoV1] list request revision=%s canonicalized to revision=%s", requestedRevision, revision)
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}
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log.Printf("[OctoV1] %s %s — serving %s (requested_revision=%s canonical_revision=%s platform=%s)", r.Method, path, filePath, requestedRevision, revision, platform)
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s.revisions.Remember(r.RemoteAddr, revision)
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go s.resolver.Prewarm(revision, platform)
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s.serveListBin(w, filePath)
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}
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// serveUnsoAsset serves asset bundle or resource for URLs like /resource-bundle-server/unso-{version}-{type}/{object_id}.
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func (s *OctoHTTPServer) serveUnsoAsset(w http.ResponseWriter, r *http.Request, path, platform string) {
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parts := strings.Split(strings.Trim(path, "/"), "/")
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var segment, objectId string
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for i, p := range parts {
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if strings.HasPrefix(p, "unso-") && i+1 < len(parts) {
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segment = p
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objectId = parts[i+1]
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break
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}
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}
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if segment == "" || objectId == "" {
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log.Printf("[HTTP] Asset request malformed: %s", path)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusNotFound)
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return
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}
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// segment = "unso-200116832-assetbundle" -> type = last part after "-"
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segParts := strings.Split(segment, "-")
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if len(segParts) < 2 {
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log.Printf("[HTTP] Asset request segment malformed: %s", segment)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusNotFound)
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return
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}
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assetType := segParts[len(segParts)-1] // "assetbundle" or "resources"
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if assetType != "assetbundle" && assetType != "resources" {
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log.Printf("[HTTP] Asset request unknown type: %s", assetType)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusNotFound)
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return
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}
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activeRevision := s.revisions.Active(r.RemoteAddr)
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resolution, ok := s.resolver.Resolve(objectId, assetType, activeRevision, platform)
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if !ok {
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log.Printf("[HTTP] Asset not found: %s (object_id=%s type=%s platform=%s active_revision=%s) no candidates", path, objectId, assetType, platform, activeRevision)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusNotFound)
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return
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}
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revDir := filepath.Join(s.BaseDir, "assets", "revisions")
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var triedPaths []string
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var md5Mismatches []string
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for _, candidate := range resolution.Candidates {
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rel, err := filepath.Rel(revDir, candidate.Path)
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if err != nil || strings.Contains(rel, "..") || filepath.IsAbs(rel) {
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continue
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}
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triedPaths = append(triedPaths, candidate.Revision+":"+candidate.Path+" ["+candidate.Source+"]")
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f, err := os.Open(candidate.Path)
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if err != nil {
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continue
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}
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info, err := f.Stat()
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if err != nil {
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f.Close()
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continue
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}
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if info.IsDir() {
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f.Close()
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continue
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}
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// Only validate size when list.bin gave a plausible file size (>= 256); small values are often wrong (e.g. different proto field).
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if resolution.ListSize >= 256 && info.Size() != resolution.ListSize {
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f.Close()
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continue
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}
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if candidate.ExpectedMD5 != "" {
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actualMD5, err := fileMD5Hex(candidate.Path, info)
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if err != nil {
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log.Printf("[HTTP] Asset md5 read failed: %s err=%v", candidate.Path, err)
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f.Close()
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continue
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}
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if !strings.EqualFold(actualMD5, candidate.ExpectedMD5) {
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md5Mismatches = append(md5Mismatches, candidate.Revision+":"+candidate.Path+" ["+candidate.Source+"] expected="+candidate.ExpectedMD5+" actual="+actualMD5)
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log.Printf("[HTTP] Asset md5 mismatch: object_id=%s type=%s platform=%s path=%s expected=%s actual=%s active_revision=%s list_revision=%s resolved_revision=%s source=%s", objectId, assetType, platform, candidate.Path, candidate.ExpectedMD5, actualMD5, resolution.ActiveRevision, resolution.ListRevision, candidate.Revision, candidate.Source)
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f.Close()
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continue
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}
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}
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defer f.Close()
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w.Header().Set("Content-Type", "application/octet-stream")
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cw := &countResponseWriter{ResponseWriter: w}
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http.ServeContent(cw, r, filepath.Base(candidate.Path), info.ModTime(), f)
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return
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}
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if len(md5Mismatches) > 0 {
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log.Printf("[HTTP] Asset md5 mismatches: object_id=%s type=%s platform=%s active_revision=%s list_revision=%s mismatches=%v", objectId, assetType, platform, resolution.ActiveRevision, resolution.ListRevision, md5Mismatches)
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}
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log.Printf("[HTTP] Asset not found: %s (object_id=%s type=%s platform=%s active_revision=%s list_revision=%s) tried paths: %v", path, objectId, assetType, platform, resolution.ActiveRevision, resolution.ListRevision, triedPaths)
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w.Header().Set("Content-Type", "application/octet-stream")
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w.WriteHeader(http.StatusNotFound)
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}
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// serveListBin reads list.bin from filePath, optionally rewrites the resource base URL to s.ResourcesBaseURL
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// (must be exactly 43 bytes to preserve protobuf layout), and writes the result to w.
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func (s *OctoHTTPServer) serveListBin(w http.ResponseWriter, filePath string) {
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data, err := os.ReadFile(filePath)
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if err != nil {
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log.Printf("[Octo] list.bin read error: %v", err)
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http.Error(w, "list not found", http.StatusNotFound)
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return
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}
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orig := []byte(resourcesURLOriginal)
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if s.ResourcesBaseURL != "" {
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if len(s.ResourcesBaseURL) != len(orig) {
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log.Printf("[Octo] resources-base-url length is %d, need %d — serving list.bin unchanged", len(s.ResourcesBaseURL), len(orig))
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} else {
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repl := []byte(s.ResourcesBaseURL)
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if idx := bytes.Index(data, orig); idx >= 0 {
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copy(data[idx:], repl)
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log.Printf("[Octo] list.bin: rewrote resource base URL to %s", s.ResourcesBaseURL)
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}
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}
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}
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w.Header().Set("Content-Type", "application/x-protobuf")
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w.Header().Set("Content-Length", strconv.Itoa(len(data)))
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w.WriteHeader(http.StatusOK)
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w.Write(data)
|
|
}
|
|
|
|
// serveDatabaseBinE serves the master data binary. The URL's {version} segment
|
|
// is a cache key (it changes whenever the file's mtime changes, see
|
|
// DataService.GetLatestMasterDataVersion) but does not select a different file —
|
|
// there's only ever one bin.e on disk.
|
|
func (s *OctoHTTPServer) serveDatabaseBinE(w http.ResponseWriter, r *http.Request, _ string) {
|
|
filePath := filepath.Join(s.BaseDir, "assets", "release", "20240404193219.bin.e")
|
|
w.Header().Set("Content-Type", "application/octet-stream")
|
|
http.ServeFile(w, r, filePath)
|
|
}
|
|
|
|
func (s *OctoHTTPServer) handleWebAPI(w http.ResponseWriter, r *http.Request, path string) {
|
|
log.Printf("[WebAPI] Serving: %s", path)
|
|
|
|
if strings.Contains(path, "database.bin") {
|
|
s.serveDatabaseBinE(w, r, path)
|
|
return
|
|
}
|
|
|
|
if strings.Contains(path, "termsofuse") {
|
|
language := staticPageLanguage(path)
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
w.Header().Set("Access-Control-Allow-Origin", "*")
|
|
w.WriteHeader(200)
|
|
w.Write([]byte(renderStaticTermsPage("Terms of Service", language, termsVersionMarker)))
|
|
return
|
|
}
|
|
|
|
if strings.Contains(path, "privacy") {
|
|
language := staticPageLanguage(path)
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
w.WriteHeader(200)
|
|
w.Write([]byte(renderStaticTermsPage("Privacy Policy", language, privacyVersionMarker)))
|
|
return
|
|
}
|
|
|
|
if strings.Contains(path, "maintenance") {
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
w.WriteHeader(200)
|
|
w.Write([]byte(`<!DOCTYPE html><html><body></body></html>`))
|
|
return
|
|
}
|
|
|
|
if strings.Contains(path, "panelmission") {
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
w.WriteHeader(200)
|
|
w.Write([]byte(panelMissionPage))
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
w.WriteHeader(200)
|
|
w.Write([]byte(`<!DOCTYPE html><html><body></body></html>`))
|
|
}
|