package s5 import ( "bytes" "context" "crypto/ed25519" "crypto/rand" _ "embed" "encoding/base64" "encoding/hex" "errors" "fmt" "io" "math" "mime/multipart" "net/http" "net/url" "strconv" "strings" "time" "git.lumeweb.com/LumeWeb/portal/api/router" "git.lumeweb.com/LumeWeb/portal/bao" "git.lumeweb.com/LumeWeb/portal/renter" "github.com/aws/aws-sdk-go-v2/aws" "github.com/aws/aws-sdk-go-v2/service/s3" "git.lumeweb.com/LumeWeb/portal/cron" "git.lumeweb.com/LumeWeb/portal/config" "git.lumeweb.com/LumeWeb/portal/api/swagger" "git.lumeweb.com/LumeWeb/portal/metadata" "git.lumeweb.com/LumeWeb/portal/storage" "git.lumeweb.com/LumeWeb/libs5-go/encoding" s5libmetadata "git.lumeweb.com/LumeWeb/libs5-go/metadata" "git.lumeweb.com/LumeWeb/libs5-go/node" "git.lumeweb.com/LumeWeb/libs5-go/protocol" "git.lumeweb.com/LumeWeb/libs5-go/service" storage2 "git.lumeweb.com/LumeWeb/libs5-go/storage" "git.lumeweb.com/LumeWeb/libs5-go/storage/provider" "git.lumeweb.com/LumeWeb/libs5-go/types" "git.lumeweb.com/LumeWeb/portal/db/models" "github.com/samber/lo" "github.com/vmihailenco/msgpack/v5" "go.uber.org/zap" "gorm.io/gorm" "nhooyr.io/websocket" "github.com/julienschmidt/httprouter" "git.lumeweb.com/LumeWeb/portal/account" "git.lumeweb.com/LumeWeb/portal/api/middleware" "git.lumeweb.com/LumeWeb/portal/api/registry" protoRegistry "git.lumeweb.com/LumeWeb/portal/protocols/registry" "git.lumeweb.com/LumeWeb/portal/protocols/s5" "github.com/ddo/rq" dnslink "github.com/dnslink-std/go" "github.com/rs/cors" "go.sia.tech/jape" "go.uber.org/fx" ) var ( _ registry.API = (*S5API)(nil) _ router.RoutableAPI = (*S5API)(nil) ) //go:embed swagger.yaml var swagSpec []byte type S5API struct { config *config.Manager identity ed25519.PrivateKey accounts *account.AccountServiceDefault storage storage.StorageService metadata metadata.MetadataService db *gorm.DB protocols []protoRegistry.Protocol protocol *s5.S5Protocol logger *zap.Logger tusHandler *s5.TusHandler cron *cron.CronServiceDefault } type APIParams struct { fx.In Config *config.Manager Identity ed25519.PrivateKey Accounts *account.AccountServiceDefault Storage storage.StorageService Metadata metadata.MetadataService Db *gorm.DB Protocols []protoRegistry.Protocol `group:"protocol"` Logger *zap.Logger TusHandler *s5.TusHandler Cron *cron.CronServiceDefault } type S5ApiResult struct { fx.Out API registry.API `group:"api"` S5API *S5API } func NewS5(params APIParams) (S5ApiResult, error) { api := &S5API{ config: params.Config, identity: params.Identity, accounts: params.Accounts, storage: params.Storage, metadata: params.Metadata, db: params.Db, protocols: params.Protocols, logger: params.Logger, tusHandler: params.TusHandler, cron: params.Cron, } return S5ApiResult{ API: api, S5API: api, }, nil } var Module = fx.Module("s5_api", fx.Provide(NewS5), ) func (s *S5API) Init() error { s5protocol := protoRegistry.FindProtocolByName("s5", s.protocols) if s5protocol == nil { return fmt.Errorf("s5 protocol not found") } s5protocolInstance := s5protocol.(*s5.S5Protocol) s.protocol = s5protocolInstance return nil } func (s S5API) Name() string { return "s5" } func (s S5API) Start(ctx context.Context) error { return s.protocol.Node().Start(ctx) } func (s S5API) Stop(ctx context.Context) error { return nil } func (s *S5API) Routes() (*httprouter.Router, error) { authMiddlewareOpts := middleware.AuthMiddlewareOptions{ Identity: s.identity, Accounts: s.accounts, Config: s.config, Purpose: account.JWTPurposeLogin, } authMw := authMiddleware(authMiddlewareOpts) tusHandler := BuildS5TusApi(authMw, s.tusHandler) tusOptionsHandler := func(c jape.Context) { c.ResponseWriter.WriteHeader(http.StatusOK) } tusCors := BuildTusCors() wrappedTusHandler := middleware.ApplyMiddlewares(tusOptionsHandler, tusCors, authMw) routes := map[string]jape.Handler{ // Account API "GET /s5/account/register": s.accountRegisterChallenge, "POST /s5/account/register": s.accountRegister, "GET /s5/account/login": s.accountLoginChallenge, "POST /s5/account/login": s.accountLogin, "GET /s5/account": middleware.ApplyMiddlewares(s.accountInfo, authMw), "GET /s5/account/stats": middleware.ApplyMiddlewares(s.accountStats, authMw), "GET /s5/account/pins.bin": middleware.ApplyMiddlewares(s.accountPins, authMw), // Upload API "POST /s5/upload": middleware.ApplyMiddlewares(s.smallFileUpload, authMw), "POST /s5/upload/directory": middleware.ApplyMiddlewares(s.directoryUpload, authMw), // Tus API "POST /s5/upload/tus": tusHandler, "OPTIONS /s5/upload/tus": wrappedTusHandler, "HEAD /s5/upload/tus/:id": tusHandler, "POST /s5/upload/tus/:id": tusHandler, "PATCH /s5/upload/tus/:id": tusHandler, "OPTIONS /s5/upload/tus/:id": wrappedTusHandler, // Download API "GET /s5/blob/:cid": middleware.ApplyMiddlewares(s.downloadBlob, authMw), "GET /s5/metadata/:cid": s.downloadMetadata, "GET /s5/download/:cid": middleware.ApplyMiddlewares(s.downloadFile, cors.Default().Handler), // Pins API "POST /s5/pin/:cid": middleware.ApplyMiddlewares(s.accountPin, authMw), "DELETE /s5/delete/:cid": middleware.ApplyMiddlewares(s.accountPinDelete, authMw), // Debug API "GET /s5/debug/download_urls/:cid": middleware.ApplyMiddlewares(s.debugDownloadUrls, authMw), "GET /s5/debug/storage_locations/:hash": middleware.ApplyMiddlewares(s.debugStorageLocations, authMw), // Registry API "GET /s5/registry": middleware.ApplyMiddlewares(s.registryQuery, authMw), "POST /s5/registry": middleware.ApplyMiddlewares(s.registrySet, authMw), "GET /s5/registry/subscription": middleware.ApplyMiddlewares(s.registrySubscription, authMw), } routes, err := swagger.Swagger(swagSpec, routes) if err != nil { return nil, err } return s.protocol.Node().Services().HTTP().GetHttpRouter(routes), nil } func (s *S5API) Can(w http.ResponseWriter, r *http.Request) bool { resolve, err := dnslink.Resolve(r.Host) if err != nil { return false } if _, ok := resolve.Links[s.Name()]; !ok { return false } decodedCid, err := encoding.CIDFromString(resolve.Links[s.Name()][0].Identifier) if err != nil { s.logger.Error("Error decoding CID", zap.Error(err)) return false } hash := decodedCid.Hash.HashBytes() upload, err := s.metadata.GetUpload(r.Context(), hash) if err != nil { return false } if upload.Protocol != s.Name() { return false } exists, _, err := s.accounts.DNSLinkExists(hash) if err != nil { return false } if !exists { return false } ctx := context.WithValue(r.Context(), "cid", decodedCid) r = r.WithContext(ctx) return true } func (s *S5API) Handle(w http.ResponseWriter, r *http.Request) { cidVal := r.Context().Value("cid") if cidVal == nil { w.WriteHeader(http.StatusNotFound) return } cid := cidVal.(encoding.CID) file := s.newFile(s.protocol, cid.Hash.HashBytes()) if !file.Exists() { w.WriteHeader(http.StatusNotFound) return } defer func(file io.ReadCloser) { err := file.Close() if err != nil { s.logger.Error("error closing file", zap.Error(err)) } }(file) w.Header().Set("Content-Type", file.Mime()) http.ServeContent(w, r, file.Name(), file.Modtime(), file) } type s5TusJwtResponseWriter struct { http.ResponseWriter req *http.Request } func (w *s5TusJwtResponseWriter) WriteHeader(statusCode int) { // Check if this is the specific route and status if statusCode == http.StatusCreated { location := w.Header().Get("Location") authToken := middleware.ParseAuthTokenHeader(w.req.Header) if authToken != "" && location != "" { parsedUrl, _ := url.Parse(location) query := parsedUrl.Query() query.Set("auth_token", authToken) parsedUrl.RawQuery = query.Encode() w.Header().Set("Location", parsedUrl.String()) } } w.ResponseWriter.WriteHeader(statusCode) } func BuildTusCors() func(h http.Handler) http.Handler { mw := cors.New(cors.Options{ AllowedOrigins: []string{"*"}, AllowedMethods: []string{"GET", "POST", "PATCH", "DELETE", "HEAD", "OPTIONS"}, AllowedHeaders: []string{ "Authorization", "Expires", "Upload-Concat", "Upload-Length", "Upload-Offset", "X-Requested-With", "Tus-Version", "Tus-Resumable", "Tus-Extension", "Tus-Max-Size", "X-HTTP-Method-Override", }, AllowCredentials: true, }) return mw.Handler } func BuildS5TusApi(authMw middleware.HttpMiddlewareFunc, handler *s5.TusHandler) jape.Handler { // Create a jape.Handler for your tusHandler tusJapeHandler := func(c jape.Context) { tusHandler := handler.Tus() tusHandler.ServeHTTP(c.ResponseWriter, c.Request) } protocolMiddleware := func(next http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { ctx := context.WithValue(r.Context(), "protocol", "s5") next.ServeHTTP(w, r.WithContext(ctx)) }) } stripPrefix := func(next http.Handler) http.Handler { return http.StripPrefix("/s5/upload/tus", next) } injectJwt := func(next http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { res := w if r.Method == http.MethodPost && r.URL.Path == "/s5/upload/tus" { res = &s5TusJwtResponseWriter{ResponseWriter: w, req: r} } next.ServeHTTP(res, r) }) } // Apply the middlewares to the tusJapeHandler tusHandler := middleware.ApplyMiddlewares(tusJapeHandler, BuildTusCors(), authMw, injectJwt, protocolMiddleware, stripPrefix, middleware.ProxyMiddleware) return tusHandler } type readSeekNopCloser struct { *bytes.Reader } func (rsnc readSeekNopCloser) Close() error { return nil } func (s *S5API) smallFileUpload(jc jape.Context) { user := middleware.GetUserFromContext(jc.Request.Context()) file, err := s.prepareFileUpload(jc) if err != nil { s.sendErrorResponse(jc, err) return } defer func(file io.ReadSeekCloser) { err := file.Close() if err != nil { s.logger.Error("Error closing file", zap.Error(err)) } }(file) newUpload, err2 := s.storage.UploadObject(jc.Request.Context(), s5.GetStorageProtocol(s.protocol), file, nil, nil) if err2 != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileUploadFailed, err2)) return } newUpload.UserID = user newUpload.UploaderIP = jc.Request.RemoteAddr err2 = s.metadata.SaveUpload(jc.Request.Context(), *newUpload) if err2 != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileUploadFailed, err2)) return } cid, err2 := encoding.CIDFromHash(newUpload.Hash, newUpload.Size, types.CIDTypeRaw, types.HashTypeBlake3) if err2 != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileUploadFailed, err2)) return } cidStr, err2 := cid.ToString() if err2 != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileUploadFailed, err2)) return } jc.Encode(&SmallUploadResponse{ CID: cidStr, }) } func (s *S5API) prepareFileUpload(jc jape.Context) (file io.ReadSeekCloser, s5Err *S5Error) { r := jc.Request contentType := r.Header.Get("Content-Type") // Handle multipart form data uploads if strings.HasPrefix(contentType, "multipart/form-data") { if err := r.ParseMultipartForm(int64(s.config.Config().Core.PostUploadLimit)); err != nil { return nil, NewS5Error(ErrKeyFileUploadFailed, err) } multipartFile, _, err := r.FormFile("file") if err != nil { return nil, NewS5Error(ErrKeyFileUploadFailed, err) } return multipartFile, nil } // Handle raw body uploads data, err := io.ReadAll(r.Body) if err != nil { return nil, NewS5Error(ErrKeyFileUploadFailed, err) } buffer := readSeekNopCloser{bytes.NewReader(data)} return buffer, nil } func (s *S5API) accountRegisterChallenge(jc jape.Context) { var pubkey string if jc.DecodeForm("pubKey", &pubkey) != nil { return } challenge := make([]byte, 32) _, err := rand.Read(challenge) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } decodedKey, err := base64.RawURLEncoding.DecodeString(pubkey) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err)) return } if len(decodedKey) != 33 || int(decodedKey[0]) != int(types.HashTypeEd25519) { s.sendErrorResponse(jc, NewS5Error(ErrKeyDataIntegrityError, fmt.Errorf("invalid public key format"))) return } result := s.db.Create(&models.S5Challenge{ Pubkey: pubkey, Challenge: base64.RawURLEncoding.EncodeToString(challenge), Type: "register", }) if result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, result.Error)) return } jc.Encode(&AccountRegisterChallengeResponse{ Challenge: base64.RawURLEncoding.EncodeToString(challenge), }) } func (s *S5API) accountRegister(jc jape.Context) { var request AccountRegisterRequest if jc.Decode(&request) != nil { return } decodedKey, err := base64.RawURLEncoding.DecodeString(request.Pubkey) if err != nil || len(decodedKey) != 33 || int(decodedKey[0]) != int(types.HashTypeEd25519) { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err)) return } challenge := models.S5Challenge{ Pubkey: request.Pubkey, Type: "register", } if result := s.db.Where(&challenge).First(&challenge); result.RowsAffected == 0 || result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceNotFound, result.Error)) return } decodedResponse, err := base64.RawURLEncoding.DecodeString(request.Response) if err != nil || len(decodedResponse) != 65 { s.sendErrorResponse(jc, NewS5Error(ErrKeyDataIntegrityError, err)) return } decodedChallenge, err := base64.RawURLEncoding.DecodeString(challenge.Challenge) if err != nil || !bytes.Equal(decodedResponse[1:33], decodedChallenge) { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err)) return } decodedSignature, err := base64.RawURLEncoding.DecodeString(request.Signature) if err != nil || !ed25519.Verify(decodedKey[1:], decodedResponse, decodedSignature) { s.sendErrorResponse(jc, NewS5Error(ErrKeyAuthorizationFailed, err)) return } if request.Email == "" { request.Email = fmt.Sprintf("%s@%s", hex.EncodeToString(decodedKey[1:]), "example.com") } if accountExists, _, _ := s.accounts.EmailExists(request.Email); accountExists { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceLimitExceeded, fmt.Errorf("email already exists"))) return } if pubkeyExists, _, _ := s.accounts.PubkeyExists(hex.EncodeToString(decodedKey[1:])); pubkeyExists { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceLimitExceeded, fmt.Errorf("pubkey already exists"))) return } passwd := make([]byte, 32) if _, err = rand.Read(passwd); err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } newAccount, err := s.accounts.CreateAccount(request.Email, string(passwd), false) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err)) return } rawPubkey := hex.EncodeToString(decodedKey[1:]) if err = s.accounts.AddPubkeyToAccount(*newAccount, rawPubkey); err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err)) return } jwt, err := s.accounts.LoginPubkey(rawPubkey, jc.Request.RemoteAddr) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyAuthenticationFailed, err)) return } if result := s.db.Delete(&challenge); result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, result.Error)) return } setAuthCookie(jwt, jc) } func (s *S5API) accountLoginChallenge(jc jape.Context) { var pubkey string if jc.DecodeForm("pubKey", &pubkey) != nil { return } challenge := make([]byte, 32) _, err := rand.Read(challenge) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } decodedKey, err := base64.RawURLEncoding.DecodeString(pubkey) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err)) return } if len(decodedKey) != 33 || int(decodedKey[0]) != int(types.HashTypeEd25519) { s.sendErrorResponse(jc, NewS5Error(ErrKeyUnsupportedFileType, fmt.Errorf("public key not supported"))) return } pubkeyExists, _, _ := s.accounts.PubkeyExists(hex.EncodeToString(decodedKey[1:])) if !pubkeyExists { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceNotFound, fmt.Errorf("public key does not exist"))) return } result := s.db.Create(&models.S5Challenge{ Pubkey: pubkey, Challenge: base64.RawURLEncoding.EncodeToString(challenge), Type: "login", }) if result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, result.Error)) return } jc.Encode(&AccountLoginChallengeResponse{ Challenge: base64.RawURLEncoding.EncodeToString(challenge), }) } func (s *S5API) accountLogin(jc jape.Context) { var request AccountLoginRequest if jc.Decode(&request) != nil { return } decodedKey, err := base64.RawURLEncoding.DecodeString(request.Pubkey) if err != nil || len(decodedKey) != 32 { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err)) return } if int(decodedKey[0]) != int(types.HashTypeEd25519) { s.sendErrorResponse(jc, NewS5Error(ErrKeyUnsupportedFileType, fmt.Errorf("public key type not supported"))) return } var challenge models.S5Challenge result := s.db.Where(&models.S5Challenge{Pubkey: request.Pubkey, Type: "login"}).First(&challenge) if result.RowsAffected == 0 || result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceNotFound, result.Error)) return } decodedResponse, err := base64.RawURLEncoding.DecodeString(request.Response) if err != nil || len(decodedResponse) != 65 { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err)) return } decodedChallenge, err := base64.RawURLEncoding.DecodeString(challenge.Challenge) if err != nil || !bytes.Equal(decodedResponse[1:33], decodedChallenge) { s.sendErrorResponse(jc, NewS5Error(ErrKeyDataIntegrityError, err)) return } decodedSignature, err := base64.RawURLEncoding.DecodeString(request.Signature) if err != nil || !ed25519.Verify(decodedKey[1:], decodedResponse, decodedSignature) { s.sendErrorResponse(jc, NewS5Error(ErrKeyAuthorizationFailed, err)) return } jwt, err := s.accounts.LoginPubkey(hex.EncodeToString(decodedKey[1:]), jc.Request.RemoteAddr) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyAuthenticationFailed, err)) return } if result := s.db.Delete(&challenge); result.Error != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, result.Error)) return } setAuthCookie(jwt, jc) } func (s *S5API) accountInfo(jc jape.Context) { userID := middleware.GetUserFromContext(jc.Request.Context()) _, user, _ := s.accounts.AccountExists(userID) info := &AccountInfoResponse{ Email: user.Email, QuotaExceeded: false, EmailConfirmed: false, IsRestricted: false, Tier: AccountTier{ Id: 1, Name: "default", UploadBandwidth: math.MaxUint32, StorageLimit: math.MaxUint32, Scopes: []interface{}{}, }, } jc.Encode(info) } func (s *S5API) accountStats(jc jape.Context) { userID := middleware.GetUserFromContext(jc.Request.Context()) _, user, _ := s.accounts.AccountExists(userID) info := &AccountStatsResponse{ AccountInfoResponse: AccountInfoResponse{ Email: user.Email, QuotaExceeded: false, EmailConfirmed: false, IsRestricted: false, Tier: AccountTier{ Id: 1, Name: "default", UploadBandwidth: math.MaxUint32, StorageLimit: math.MaxUint32, Scopes: []interface{}{}, }, }, Stats: AccountStats{ Total: AccountStatsTotal{ UsedStorage: 0, }, }, } jc.Encode(info) } func (s *S5API) accountPins(jc jape.Context) { var cursor uint64 if err := jc.DecodeForm("cursor", &cursor); err != nil { return } userID := middleware.GetUserFromContext(jc.Request.Context()) pins, err := s.accounts.AccountPins(userID, cursor) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err)) return } pinResponse := &AccountPinResponse{Cursor: cursor, Pins: pins} result, err2 := msgpack.Marshal(pinResponse) if err2 != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err2)) return } jc.ResponseWriter.Header().Set("Content-Type", "application/msgpack") jc.ResponseWriter.WriteHeader(http.StatusOK) if _, err := jc.ResponseWriter.Write(result); err != nil { s.logger.Error("failed to write account pins response", zap.Error(err)) } } func (s *S5API) accountPinDelete(jc jape.Context) { var cid string if err := jc.DecodeParam("cid", &cid); err != nil { return } user := middleware.GetUserFromContext(jc.Request.Context()) decodedCid, err := encoding.CIDFromString(cid) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err)) return } if err := s.accounts.DeletePinByHash(decodedCid.Hash.HashBytes(), user); err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err)) return } jc.ResponseWriter.WriteHeader(http.StatusNoContent) } func (s *S5API) accountPin(jc jape.Context) { var cid string if err := jc.DecodeParam("cid", &cid); err != nil { return } userID := middleware.GetUserFromContext(jc.Request.Context()) decodedCid, err := encoding.CIDFromString(cid) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err)) return } found := true if err := s.accounts.PinByHash(decodedCid.Hash.HashBytes(), userID); err != nil { if !errors.Is(err, gorm.ErrRecordNotFound) { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err)) return } found = false } if !found { dlUriProvider := s.newStorageLocationProvider(&decodedCid.Hash, types.StorageLocationTypeFull, types.StorageLocationTypeFile) err = dlUriProvider.Start() if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceNotFound, err)) return } if jc.Check("error starting search", err) != nil { return } next, err := dlUriProvider.Next() if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyResourceNotFound, err)) return } r := rq.Head(next.Location().BytesURL()) httpReq, err := r.ParseRequest() if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } res, err := http.DefaultClient.Do(httpReq) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileDownloadFailed, err)) } defer func(Body io.ReadCloser) { err := Body.Close() if err != nil { s.logger.Error("Error closing response body", zap.Error(err)) } }(res.Body) contentLengthStr := res.Header.Get("Content-Length") if contentLengthStr == "" { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileDownloadFailed, errors.New("content-length header is missing"))) return } contentLength, err := strconv.ParseInt(contentLengthStr, 10, 64) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileDownloadFailed, err)) return } if uint64(contentLength) != decodedCid.Size { s.sendErrorResponse(jc, NewS5Error(ErrKeyFileDownloadFailed, errors.New("file size does not match CID expected size"))) return } cid64, err := decodedCid.ToBase64Url() if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } jobName := fmt.Sprintf("pin-import-%s", cid64) if job := s.cron.GetJobByName(jobName); job == nil { job := s.cron.RetryableJob( cron.RetryableJobParams{ Name: jobName, Tags: nil, Function: s.pinImportCronJob, Args: []interface{}{cid64, next.Location().BytesURL(), next.Location().OutboardBytesURL(), userID}, Attempt: 0, Limit: 10, After: nil, Error: nil, }, ) _, err = s.cron.CreateJob(job) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err)) return } } } jc.ResponseWriter.WriteHeader(http.StatusNoContent) } func (s *S5API) directoryUpload(jc jape.Context) { // Decode form fields var ( tryFiles []string errorPages map[int]string name string ) if err := jc.DecodeForm("tryFiles", &tryFiles); err != nil || jc.DecodeForm("errorPages", &errorPages) != nil || jc.DecodeForm("name", &name) != nil { } // Verify content type if contentType := jc.Request.Header.Get("Content-Type"); !strings.HasPrefix(contentType, "multipart/form-data") { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, fmt.Errorf("expected multipart/form-data content type, got %s", contentType))) return } // Parse multipart form with size limit from config if err := jc.Request.ParseMultipartForm(int64(s.config.Config().Core.PostUploadLimit)); err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err)) return } uploads, err := s.processMultipartFiles(jc.Request) if err != nil { s.sendErrorResponse(jc, err) return } // Generate metadata for the directory upload app, err := s.createAppMetadata(name, tryFiles, errorPages, uploads) if err != nil { s.sendErrorResponse(jc, err) return } // Upload the metadata cidStr, err := s.uploadAppMetadata(app, jc.Request) if err != nil { s.sendErrorResponse(jc, err) return } jc.Encode(&AppUploadResponse{CID: cidStr}) } func (s *S5API) processMultipartFiles(r *http.Request) (map[string]*metadata.UploadMetadata, error) { uploadMap := make(map[string]*metadata.UploadMetadata) user := middleware.GetUserFromContext(r.Context()) for _, files := range r.MultipartForm.File { for _, fileHeader := range files { file, err := fileHeader.Open() if err != nil { return nil, NewS5Error(ErrKeyStorageOperationFailed, err) } defer func(file multipart.File) { err := file.Close() if err != nil { s.logger.Error("Error closing file", zap.Error(err)) } }(file) upload, err := s.storage.UploadObject(r.Context(), s5.GetStorageProtocol(s.protocol), file, nil, nil) if err != nil { return nil, NewS5Error(ErrKeyStorageOperationFailed, err) } upload.UserID = user upload.UploaderIP = r.RemoteAddr err = s.metadata.SaveUpload(r.Context(), *upload) if err != nil { return nil, NewS5Error(ErrKeyStorageOperationFailed, err) } uploadMap[fileHeader.Filename] = upload } } return uploadMap, nil } func (s *S5API) createAppMetadata(name string, tryFiles []string, errorPages map[int]string, uploads map[string]*metadata.UploadMetadata) (*s5libmetadata.WebAppMetadata, error) { filesMap := make(map[string]s5libmetadata.WebAppMetadataFileReference, len(uploads)) for filename, upload := range uploads { hash := upload.Hash cid, err := encoding.CIDFromHash(hash, upload.Size, types.CIDTypeRaw, types.HashTypeBlake3) if err != nil { return nil, NewS5Error(ErrKeyInternalError, err, "Failed to create CID for file: "+filename) } filesMap[filename] = s5libmetadata.WebAppMetadataFileReference{ Cid: cid, ContentType: upload.MimeType, } } extraMetadataMap := make(map[int]interface{}) for statusCode, page := range errorPages { extraMetadataMap[statusCode] = page } extraMetadata := s5libmetadata.NewExtraMetadata(extraMetadataMap) // Create the web app metadata object app := s5libmetadata.NewWebAppMetadata( name, tryFiles, *extraMetadata, errorPages, filesMap, ) return app, nil } func (s *S5API) uploadAppMetadata(appData *s5libmetadata.WebAppMetadata, r *http.Request) (string, *S5Error) { userId := middleware.GetUserFromContext(r.Context()) appDataRaw, err := msgpack.Marshal(appData) if err != nil { return "", NewS5Error(ErrKeyInternalError, err, "Failed to marshal app s5libmetadata") } file := bytes.NewReader(appDataRaw) upload, err := s.storage.UploadObject(r.Context(), s5.GetStorageProtocol(s.protocol), file, nil, nil) if err != nil { return "", NewS5Error(ErrKeyStorageOperationFailed, err) } upload.UserID = userId upload.UploaderIP = r.RemoteAddr err = s.metadata.SaveUpload(r.Context(), *upload) if err != nil { return "", NewS5Error(ErrKeyStorageOperationFailed, err) } // Construct the CID for the newly uploaded s5libmetadata cid, err := encoding.CIDFromHash(upload.Hash, uint64(len(appDataRaw)), types.CIDTypeMetadataWebapp, types.HashTypeBlake3) if err != nil { return "", NewS5Error(ErrKeyInternalError, err, "Failed to create CID for new app s5libmetadata") } cidStr, err := cid.ToString() if err != nil { return "", NewS5Error(ErrKeyInternalError, err, "Failed to convert CID to string for new app s5libmetadata") } return cidStr, nil } func (s *S5API) debugDownloadUrls(jc jape.Context) { var cid string if err := jc.DecodeParam("cid", &cid); err != nil { return } decodedCid, err := encoding.CIDFromString(cid) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidOperation, err, "Failed to decode CID")) return } node := s.getNode() dlUriProvider := s.newStorageLocationProvider(&decodedCid.Hash, types.StorageLocationTypeFull, types.StorageLocationTypeFile, types.StorageLocationTypeBridge) if err := dlUriProvider.Start(); err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err, "Failed to start URI provider")) return } locations, err := node.Services().Storage().GetCachedStorageLocations(&decodedCid.Hash, []types.StorageLocationType{ types.StorageLocationTypeFull, types.StorageLocationTypeFile, types.StorageLocationTypeBridge, }) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err, "Failed to get cached storage locations")) return } availableNodes := lo.Keys[string, storage2.StorageLocation](locations) availableNodesIds := make([]*encoding.NodeId, len(availableNodes)) for i, nodeIdStr := range availableNodes { nodeId, err := encoding.DecodeNodeId(nodeIdStr) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err, "Failed to decode node ID")) return } availableNodesIds[i] = nodeId } sorted, err := node.Services().P2P().SortNodesByScore(availableNodesIds) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyNetworkError, err, "Failed to sort nodes by score")) return } output := make([]string, len(sorted)) for i, nodeId := range sorted { nodeIdStr, err := nodeId.ToString() if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInternalError, err, "Failed to convert node ID to string")) return } output[i] = locations[nodeIdStr].BytesURL() } jc.ResponseWriter.WriteHeader(http.StatusOK) _, err = jc.ResponseWriter.Write([]byte(strings.Join(output, "\n"))) if err != nil { s.logger.Error("Failed to write response", zap.Error(err)) } } func (s *S5API) registryQuery(jc jape.Context) { var pk string if err := jc.DecodeForm("pk", &pk); err != nil { return } pkBytes, err := base64.RawURLEncoding.DecodeString(pk) if err != nil { s5Err := NewS5Error(ErrKeyInvalidFileFormat, err) s.sendErrorResponse(jc, s5Err) return } entry, err := s.getNode().Services().Registry().Get(pkBytes) if err != nil { s5ErrKey := ErrKeyStorageOperationFailed s5Err := NewS5Error(s5ErrKey, err) s.sendErrorResponse(jc, s5Err) return } if entry == nil { jc.ResponseWriter.WriteHeader(http.StatusNotFound) return } response := RegistryQueryResponse{ Pk: base64.RawURLEncoding.EncodeToString(entry.PK()), Revision: entry.Revision(), Data: base64.RawURLEncoding.EncodeToString(entry.Data()), Signature: base64.RawURLEncoding.EncodeToString(entry.Signature()), } jc.Encode(response) } func (s *S5API) registrySet(jc jape.Context) { var request RegistrySetRequest if err := jc.Decode(&request); err != nil { return } pk, err := base64.RawURLEncoding.DecodeString(request.Pk) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err, "Error decoding public key")) return } data, err := base64.RawURLEncoding.DecodeString(request.Data) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err, "Error decoding data")) return } signature, err := base64.RawURLEncoding.DecodeString(request.Signature) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyInvalidFileFormat, err, "Error decoding signature")) return } entry := protocol.NewSignedRegistryEntry(pk, request.Revision, data, signature) err = s.getNode().Services().Registry().Set(entry, false, nil) if err != nil { s.sendErrorResponse(jc, NewS5Error(ErrKeyStorageOperationFailed, err, "Error setting registry entry")) return } } func (s *S5API) registrySubscription(jc jape.Context) { // Create a context for the WebSocket operations ctx, cancel := context.WithCancel(context.Background()) defer cancel() var listeners []func() // Accept the WebSocket connection c, err := websocket.Accept(jc.ResponseWriter, jc.Request, nil) if err != nil { s.logger.Error("error accepting websocket connection", zap.Error(err)) return } defer func() { // Close the WebSocket connection gracefully err := c.Close(websocket.StatusNormalClosure, "connection closed") if err != nil { s.logger.Error("error closing websocket connection", zap.Error(err)) } // Clean up all listeners when the connection is closed for _, listener := range listeners { listener() } }() // Main loop for reading messages for { _, data, err := c.Read(ctx) if err != nil { if websocket.CloseStatus(err) == websocket.StatusNormalClosure { // Normal closure s.logger.Info("websocket connection closed normally") } else { // Handle different types of errors s.logger.Error("error in websocket connection", zap.Error(err)) } break } decoder := msgpack.NewDecoder(bytes.NewReader(data)) // Assuming method indicates the type of operation, validate it method, err := decoder.DecodeInt() if err != nil { s.logger.Error("error decoding method", zap.Error(err)) continue } if method != 2 { s.logger.Error("invalid method", zap.Int64("method", int64(method))) continue } sre, err := decoder.DecodeBytes() if err != nil { s.logger.Error("error decoding sre", zap.Error(err)) continue } // Listen for updates on the registry entry and send updates via WebSocket off, err := s.getNode().Services().Registry().Listen(sre, func(entry protocol.SignedRegistryEntry) { encoded, err := msgpack.Marshal(entry) if err != nil { s.logger.Error("error encoding entry", zap.Error(err)) return } // Write updates to the WebSocket connection if err := c.Write(ctx, websocket.MessageBinary, encoded); err != nil { s.logger.Error("error writing to websocket", zap.Error(err)) } }) if err != nil { s.logger.Error("error setting up listener for registry", zap.Error(err)) break } listeners = append(listeners, off) // Add the listener's cleanup function to the list } } func (s *S5API) getNode() *node.Node { return s.protocol.Node() } func (s *S5API) downloadBlob(jc jape.Context) { var cid string if jc.DecodeParam("cid", &cid) != nil { return } cid = strings.Split(cid, ".")[0] cidDecoded, err := encoding.CIDFromString(cid) if jc.Check("error decoding cid", err) != nil { return } dlUriProvider := s.newStorageLocationProvider(&cidDecoded.Hash, types.StorageLocationTypeFull, types.StorageLocationTypeFile, types.StorageLocationTypeBridge) err = dlUriProvider.Start() if jc.Check("error starting search", err) != nil { return } next, err := dlUriProvider.Next() if jc.Check("error fetching blob", err) != nil { return } http.Redirect(jc.ResponseWriter, jc.Request, next.Location().BytesURL(), http.StatusFound) } func (s *S5API) debugStorageLocations(jc jape.Context) { var hash string if jc.DecodeParam("hash", &hash) != nil { return } var kinds string if jc.DecodeForm("kinds", &kinds) != nil { return } decodedHash, err := encoding.MultihashFromBase64Url(hash) if jc.Check("error decoding hash", err) != nil { return } typeList := strings.Split(kinds, ",") typeIntList := make([]types.StorageLocationType, 0) for _, typeStr := range typeList { typeInt, err := strconv.Atoi(typeStr) if err != nil { continue } typeIntList = append(typeIntList, types.StorageLocationType(typeInt)) } if len(typeIntList) == 0 { typeIntList = []types.StorageLocationType{ types.StorageLocationTypeFull, types.StorageLocationTypeFile, types.StorageLocationTypeBridge, types.StorageLocationTypeArchive, } } dlUriProvider := s.newStorageLocationProvider(decodedHash, typeIntList...) err = dlUriProvider.Start() if jc.Check("error starting search", err) != nil { return } _, err = dlUriProvider.Next() if jc.Check("error fetching locations", err) != nil { return } locations, err := s.getNode().Services().Storage().GetCachedStorageLocations(decodedHash, typeIntList) if jc.Check("error getting cached locations", err) != nil { return } availableNodes := lo.Keys[string, storage2.StorageLocation](locations) availableNodesIds := make([]*encoding.NodeId, len(availableNodes)) for i, nodeIdStr := range availableNodes { nodeId, err := encoding.DecodeNodeId(nodeIdStr) if jc.Check("error decoding node id", err) != nil { return } availableNodesIds[i] = nodeId } availableNodesIds, err = s.getNode().Services().P2P().SortNodesByScore(availableNodesIds) if jc.Check("error sorting nodes", err) != nil { return } debugLocations := make([]DebugStorageLocation, len(availableNodes)) for i, nodeId := range availableNodesIds { nodeIdStr, err := nodeId.ToBase58() if jc.Check("error encoding node id", err) != nil { return } score, err := s.getNode().Services().P2P().GetNodeScore(nodeId) if jc.Check("error getting node score", err) != nil { return } debugLocations[i] = DebugStorageLocation{ Type: locations[nodeIdStr].Type(), Parts: locations[nodeIdStr].Parts(), Expiry: locations[nodeIdStr].Expiry(), NodeId: nodeIdStr, Score: score, } } jc.Encode(&DebugStorageLocationsResponse{ Locations: debugLocations, }) } func (s *S5API) downloadMetadata(jc jape.Context) { var cid string if jc.DecodeParam("cid", &cid) != nil { return } cidDecoded, err := encoding.CIDFromString(cid) if jc.Check("error decoding cid", err) != nil { s.logger.Error("error decoding cid", zap.Error(err)) return } switch cidDecoded.Type { case types.CIDTypeRaw: _ = jc.Error(errors.New("Raw CIDs do not have s5libmetadata"), http.StatusBadRequest) return case types.CIDTypeResolver: _ = jc.Error(errors.New("Resolver CIDs not yet supported"), http.StatusBadRequest) return } meta, err := s.getNode().Services().Storage().GetMetadataByCID(cidDecoded) if jc.Check("error getting s5libmetadata", err) != nil { s.logger.Error("error getting s5libmetadata", zap.Error(err)) return } if cidDecoded.Type != types.CIDTypeBridge { jc.ResponseWriter.Header().Set("Cache-Control", "public, max-age=31536000") } else { jc.ResponseWriter.Header().Set("Cache-Control", "public, max-age=60") } jc.Encode(&meta) } func (s *S5API) downloadFile(jc jape.Context) { var cid string if jc.DecodeParam("cid", &cid) != nil { return } var hashBytes []byte isProof := false if strings.HasSuffix(cid, storage.PROOF_EXTENSION) { isProof = true cid = strings.TrimSuffix(cid, storage.PROOF_EXTENSION) } cidDecoded, err := encoding.CIDFromString(cid) if err != nil { hashDecoded, err := encoding.MultihashFromBase64Url(cid) if jc.Check("error decoding as cid or hash", err) != nil { return } hashBytes = hashDecoded.HashBytes() } else { hashBytes = cidDecoded.Hash.HashBytes() } file := s.newFile(s.protocol, hashBytes) if !file.Exists() { jc.ResponseWriter.WriteHeader(http.StatusNotFound) return } defer func(file io.ReadCloser) { err := file.Close() if err != nil { s.logger.Error("error closing file", zap.Error(err)) } }(file) if isProof { proof, err := file.Proof() if jc.Check("error getting proof", err) != nil { return } jc.ResponseWriter.Header().Set("Content-Type", "application/octet-stream") http.ServeContent(jc.ResponseWriter, jc.Request, fmt.Sprintf("%.obao", file.Name()), file.Modtime(), bytes.NewReader(proof)) return } jc.ResponseWriter.Header().Set("Content-Type", file.Mime()) http.ServeContent(jc.ResponseWriter, jc.Request, file.Name(), file.Modtime(), file) } func (s *S5API) sendErrorResponse(jc jape.Context, err error) { var statusCode int switch e := err.(type) { case *S5Error: statusCode = e.HttpStatus() case *account.AccountError: mappedCode, ok := account.ErrorCodeToHttpStatus[e.Key] if !ok { statusCode = http.StatusInternalServerError } else { statusCode = mappedCode } default: statusCode = http.StatusInternalServerError err = errors.New("An internal server error occurred.") } _ = jc.Error(err, statusCode) } func (s *S5API) newStorageLocationProvider(hash *encoding.Multihash, types ...types.StorageLocationType) storage2.StorageLocationProvider { return provider.NewStorageLocationProvider(provider.StorageLocationProviderParams{ Services: s.getNode().Services(), Hash: hash, LocationTypes: types, ServiceParams: service.ServiceParams{ Logger: s.logger, Config: s.getNode().Config(), Db: s.getNode().Db(), }, }) } func (s *S5API) newFile(protocol *s5.S5Protocol, hash []byte) *S5File { return NewFile(FileParams{ Protocol: protocol, Hash: hash, Metadata: s.metadata, Storage: s.storage, }) } func (s *S5API) pinImportCronJob(cid string, url string, proofUrl string, userId uint) error { ctx := context.Background() // Parse CID early to avoid unnecessary operations if it fails. parsedCid, err := encoding.CIDFromString(cid) if err != nil { s.logger.Error("error parsing cid", zap.Error(err)) return err } // Function to streamline error handling and closing of response body. closeBody := func(body io.ReadCloser) { if err := body.Close(); err != nil { s.logger.Error("error closing response body", zap.Error(err)) } } // Inline fetching and reading body, directly incorporating your checks. fetchAndProcess := func(fetchUrl string) ([]byte, error) { req, err := rq.Get(fetchUrl).ParseRequest() if err != nil { s.logger.Error("error parsing request", zap.Error(err)) return nil, err } res, err := http.DefaultClient.Do(req) if err != nil { s.logger.Error("error executing request", zap.Error(err)) return nil, err } defer closeBody(res.Body) if res.StatusCode != http.StatusOK { errMsg := "error fetching URL: " + fetchUrl s.logger.Error(errMsg, zap.String("status", res.Status)) return nil, fmt.Errorf(errMsg+" with status: %s", res.Status) } data, err := io.ReadAll(res.Body) if err != nil { s.logger.Error("error reading response body", zap.Error(err)) return nil, err } return data, nil } saveAndPin := func(upload *metadata.UploadMetadata) error { upload.UserID = userId if err := s.metadata.SaveUpload(ctx, *upload); err != nil { return err } if err := s.accounts.PinByHash(parsedCid.Hash.HashBytes(), userId); err != nil { return err } return nil } // Fetch proof. proof, err := fetchAndProcess(proofUrl) if err != nil { return err // Error logged in fetchAndProcess } // Fetch file and process if under post upload limit. if parsedCid.Size <= s.config.Config().Core.PostUploadLimit { fileData, err := fetchAndProcess(url) if err != nil { return err // Error logged in fetchAndProcess } hash, err := s.storage.HashObject(ctx, bytes.NewReader(fileData)) if err != nil { s.logger.Error("error hashing object", zap.Error(err)) return err } if !bytes.Equal(hash.Hash, parsedCid.Hash.HashBytes()) { return fmt.Errorf("hash mismatch") } upload, err := s.storage.UploadObject(ctx, s5.GetStorageProtocol(s.protocol), bytes.NewReader(fileData), nil, hash) if err != nil { return err } err = saveAndPin(upload) if err != nil { return err } return nil } baoProof := bao.Result{ Hash: parsedCid.Hash.HashBytes(), Proof: proof, Length: uint(parsedCid.Size), } client, err := s.storage.S3Client(ctx) if err != nil { s.logger.Error("error getting s3 client", zap.Error(err)) return err } req, err := rq.Get(url).ParseRequest() if err != nil { s.logger.Error("error parsing request", zap.Error(err)) return err } res, err := http.DefaultClient.Do(req) if err != nil { s.logger.Error("error executing request", zap.Error(err)) return err } defer closeBody(res.Body) verifier := bao.NewVerifier(res.Body, baoProof) defer func(Body io.ReadCloser) { err := Body.Close() if err != nil { s.logger.Error("error closing verifier stream", zap.Error(err)) } }(verifier) _, err = client.PutObject(ctx, &s3.PutObjectInput{ Bucket: aws.String(s.config.Config().Core.Storage.S3.BufferBucket), Key: aws.String(cid), Body: verifier, }) if err != nil { return err } upload, err := s.storage.UploadObject(ctx, s5.GetStorageProtocol(s.protocol), nil, &renter.MultiPartUploadParams{ ReaderFactory: func(start uint, end uint) (io.ReadCloser, error) { rangeHeader := fmt.Sprintf("bytes=%d-%d", start, end) object, err := client.GetObject(ctx, &s3.GetObjectInput{ Bucket: aws.String(s.config.Config().Core.Storage.S3.BufferBucket), Key: aws.String(cid), Range: aws.String(rangeHeader), }) if err != nil { return nil, err } return object.Body, nil }, Bucket: s.config.Config().Core.Storage.S3.BufferBucket, FileName: s5.GetStorageProtocol(s.protocol).EncodeFileName(parsedCid.Hash.HashBytes()), Size: parsedCid.Size, ExistingUploadID: "", UploadIDHandler: nil, }, &baoProof) if err != nil { s.logger.Error("error uploading object", zap.Error(err)) return err } err = saveAndPin(upload) if err != nil { return err } return nil } func setAuthCookie(jwt string, jc jape.Context) { authCookie := http.Cookie{ Name: "s5-auth-token", Value: jwt, Path: "/", HttpOnly: true, MaxAge: int(time.Hour.Seconds() * 24), Secure: true, } http.SetCookie(jc.ResponseWriter, &authCookie) }