diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go index 963eb13d6..597004f7d 100644 --- a/weed/server/filer_server_handlers_write.go +++ b/weed/server/filer_server_handlers_write.go @@ -70,6 +70,146 @@ func makeFormData(filename, mimeType string, content io.Reader) (formData io.Rea return } +func (fs *FilerServer) queryFileInfoByPath(w http.ResponseWriter, r *http.Request, path string) (fileId, urlLocation string, err error) { + if fileId, err = fs.filer.FindFile(path); err != nil && err != leveldb.ErrNotFound { + glog.V(0).Infoln("failing to find path in filer store", path, err.Error()) + writeJsonError(w, r, http.StatusInternalServerError, err) + return + } else if fileId != "" && err == nil { + urlLocation, err = operation.LookupFileId(fs.getMasterNode(), fileId) + if err != nil { + glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, err.Error()) + w.WriteHeader(http.StatusNotFound) + return + } + } + return +} + +func (fs *FilerServer) assignNewFileInfo(w http.ResponseWriter, r *http.Request, replication, collection string) (fileId, urlLocation string, err error) { + assignResult, ae := operation.Assign(fs.getMasterNode(), 1, replication, collection, r.URL.Query().Get("ttl")) + if ae != nil { + glog.V(0).Infoln("failing to assign a file id", ae.Error()) + writeJsonError(w, r, http.StatusInternalServerError, ae) + err = ae + return + } + fileId = assignResult.Fid + urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid + return +} + +func (fs *FilerServer) multipartUploadAnalyzer(w http.ResponseWriter, r *http.Request, replication, collection string) (fileId, urlLocation string, err error) { + //Default handle way for http multipart + if r.Method == "PUT" { + buf, _ := ioutil.ReadAll(r.Body) + r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) + fileName, _, _, _, _, _, _, pe := storage.ParseUpload(r) + if pe != nil { + glog.V(0).Infoln("failing to parse post body", pe.Error()) + writeJsonError(w, r, http.StatusInternalServerError, pe) + err = pe + return + } + //reconstruct http request body for following new request to volume server + r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) + + path := r.URL.Path + if strings.HasSuffix(path, "/") { + if fileName != "" { + path += fileName + } + } + fileId, urlLocation, err = fs.queryFileInfoByPath(w, r, path) + } else { + fileId, urlLocation, err = fs.assignNewFileInfo(w, r, replication, collection) + } + return +} + +func multipartHttpBodyBuilder(w http.ResponseWriter, r *http.Request, fileName string) (err error) { + body, contentType, te := makeFormData(fileName, r.Header.Get("Content-Type"), r.Body) + if te != nil { + glog.V(0).Infoln("S3 protocol to raw seaweed protocol failed", te.Error()) + writeJsonError(w, r, http.StatusInternalServerError, te) + err = te + return + } + + if body != nil { + switch v := body.(type) { + case *bytes.Buffer: + r.ContentLength = int64(v.Len()) + case *bytes.Reader: + r.ContentLength = int64(v.Len()) + case *strings.Reader: + r.ContentLength = int64(v.Len()) + } + } + + r.Header.Set("Content-Type", contentType) + rc, ok := body.(io.ReadCloser) + if !ok && body != nil { + rc = ioutil.NopCloser(body) + } + r.Body = rc + return +} + +func checkContentMD5(w http.ResponseWriter, r *http.Request) (err error) { + if contentMD5 := r.Header.Get("Content-MD5"); contentMD5 != "" { + buf, _ := ioutil.ReadAll(r.Body) + //checkMD5 + sum := md5.Sum(buf) + fileDataMD5 := base64.StdEncoding.EncodeToString(sum[0:len(sum)]) + if strings.ToLower(fileDataMD5) != strings.ToLower(contentMD5) { + glog.V(0).Infof("fileDataMD5 [%s] is not equal to Content-MD5 [%s]", fileDataMD5, contentMD5) + err = fmt.Errorf("MD5 check failed") + writeJsonError(w, r, http.StatusNotAcceptable, err) + return + } + //reconstruct http request body for following new request to volume server + r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) + } + return +} + +func (fs *FilerServer) monolithicUploadAnalyzer(w http.ResponseWriter, r *http.Request, replication, collection string) (fileId, urlLocation string, err error) { + /* + Amazon S3 ref link:[http://docs.aws.amazon.com/AmazonS3/latest/API/Welcome.html] + There is a long way to provide a completely compatibility against all Amazon S3 API, I just made + a simple data stream adapter between S3 PUT API and seaweedfs's volume storage Write API + 1. The request url format should be http://$host:$port/$bucketName/$objectName + 2. bucketName will be mapped to seaweedfs's collection name + 3. You could customize and make your enhancement. + */ + lastPos := strings.LastIndex(r.URL.Path, "/") + if lastPos == -1 || lastPos == 0 || lastPos == len(r.URL.Path)-1 { + glog.V(0).Infoln("URL Path [%s] is invalid, could not retrieve file name", r.URL.Path) + err = fmt.Errorf("URL Path is invalid") + writeJsonError(w, r, http.StatusInternalServerError, err) + return + } + + if err = checkContentMD5(w, r); err != nil { + return + } + + fileName := r.URL.Path[lastPos+1:] + if err = multipartHttpBodyBuilder(w, r, fileName); err != nil { + return + } + + secondPos := strings.Index(r.URL.Path[1:], "/") + 1 + collection = r.URL.Path[1:secondPos] + path := r.URL.Path + + if fileId, urlLocation, err = fs.queryFileInfoByPath(w, r, path); err == nil && fileId == "" { + fileId, urlLocation, err = fs.assignNewFileInfo(w, r, replication, collection) + } + return +} + func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) { query := r.URL.Query() replication := query.Get("replication") @@ -81,135 +221,19 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) { collection = fs.collection } - var fileId string + var fileId, urlLocation string var err error - var urlLocation string if strings.HasPrefix(r.Header.Get("Content-Type"), "multipart/form-data; boundary=") { - //Default handle way for http multipart - if r.Method == "PUT" { - buf, _ := ioutil.ReadAll(r.Body) - r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) - fileName, _, _, _, _, _, _, pe := storage.ParseUpload(r) - if pe != nil { - glog.V(0).Infoln("failing to parse post body", pe.Error()) - writeJsonError(w, r, http.StatusInternalServerError, pe) - return - } - //reconstruct http request body for following new request to volume server - r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) - - path := r.URL.Path - if strings.HasSuffix(path, "/") { - if fileName != "" { - path += fileName - } - } - - if fileId, err = fs.filer.FindFile(path); err != nil && err != leveldb.ErrNotFound { - glog.V(0).Infoln("failing to find path in filer store", path, err.Error()) - writeJsonError(w, r, http.StatusInternalServerError, err) - return - } else if fileId != "" && err == nil { - var le error - urlLocation, le = operation.LookupFileId(fs.getMasterNode(), fileId) - if le != nil { - glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, le.Error()) - w.WriteHeader(http.StatusNotFound) - return - } - } - } else { - assignResult, ae := operation.Assign(fs.getMasterNode(), 1, replication, collection, query.Get("ttl")) - if ae != nil { - glog.V(0).Infoln("failing to assign a file id", ae.Error()) - writeJsonError(w, r, http.StatusInternalServerError, ae) - return - } - fileId = assignResult.Fid - urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid + fileId, urlLocation, err = fs.multipartUploadAnalyzer(w, r, replication, collection) + if err != nil { + return } } else { - /* - Amazon S3 ref link:[http://docs.aws.amazon.com/AmazonS3/latest/API/Welcome.html] - There is a long way to provide a completely compatibility against all Amazon S3 API, I just made - a simple data stream adapter between S3 PUT API and seaweedfs's volume storage Write API - 1. The request url format should be http://$host:$port/$bucketName/$objectName - 2. bucketName will be mapped to seaweedfs's collection name - */ - lastPos := strings.LastIndex(r.URL.Path, "/") - if lastPos == -1 || lastPos == 0 || lastPos == len(r.URL.Path)-1 { - glog.V(0).Infoln("URL Path [%s] is invalid, could not retrieve file name", r.URL.Path) - writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("URL Path is invalid")) + fileId, urlLocation, err = fs.monolithicUploadAnalyzer(w, r, replication, collection) + if err != nil { return } - - secondPos := strings.Index(r.URL.Path[1:], "/") + 1 - collection = r.URL.Path[1:secondPos] - path := r.URL.Path - - if fileId, err = fs.filer.FindFile(path); err != nil && err != leveldb.ErrNotFound { - glog.V(0).Infoln("failing to find path in filer store", path, err.Error()) - writeJsonError(w, r, http.StatusInternalServerError, err) - return - } else if fileId != "" && err == nil { - var le error - urlLocation, le = operation.LookupFileId(fs.getMasterNode(), fileId) - if le != nil { - glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, le.Error()) - w.WriteHeader(http.StatusNotFound) - return - } - } else { - assignResult, ae := operation.Assign(fs.getMasterNode(), 1, replication, collection, query.Get("ttl")) - if ae != nil { - glog.V(0).Infoln("failing to assign a file id", ae.Error()) - writeJsonError(w, r, http.StatusInternalServerError, ae) - return - } - fileId = assignResult.Fid - urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid - } - - if contentMD5 := r.Header.Get("Content-MD5"); contentMD5 != "" { - buf, _ := ioutil.ReadAll(r.Body) - //checkMD5 - sum := md5.Sum(buf) - fileDataMD5 := base64.StdEncoding.EncodeToString(sum[0:len(sum)]) - if strings.ToLower(fileDataMD5) != strings.ToLower(contentMD5) { - glog.V(0).Infof("fileDataMD5 [%s] is not equal to Content-MD5 [%s]", fileDataMD5, contentMD5) - writeJsonError(w, r, http.StatusNotAcceptable, fmt.Errorf("MD5 check failed")) - return - } - //reconstruct http request body for following new request to volume server - r.Body = ioutil.NopCloser(bytes.NewBuffer(buf)) - } - - fileName := r.URL.Path[lastPos+1:] - body, contentType, te := makeFormData(fileName, r.Header.Get("Content-Type"), r.Body) - if te != nil { - glog.V(0).Infoln("S3 protocol to raw seaweed protocol failed", te.Error()) - writeJsonError(w, r, http.StatusInternalServerError, te) - return - } - - if body != nil { - switch v := body.(type) { - case *bytes.Buffer: - r.ContentLength = int64(v.Len()) - case *bytes.Reader: - r.ContentLength = int64(v.Len()) - case *strings.Reader: - r.ContentLength = int64(v.Len()) - } - } - - r.Header.Set("Content-Type", contentType) - rc, ok := body.(io.ReadCloser) - if !ok && body != nil { - rc = ioutil.NopCloser(body) - } - r.Body = rc } u, _ := url.Parse(urlLocation)