/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package office import ( "archive/zip" "bufio" "encoding/json" "encoding/xml" "errors" "fmt" "godo/libs" "os" "path" "path/filepath" "sync" ) type DocResult struct { filePath string newFilePath string err error } func SetDocument(dirPath string) error { if !libs.PathExists(dirPath) { return nil } var wg sync.WaitGroup results := make(chan DocResult, 100) // 缓冲通道 err := filepath.Walk(dirPath, func(filePath string, info os.FileInfo, err error) error { if err != nil { return err } if !info.IsDir() { // 获取文件名 fileName := filepath.Base(filePath) // 检查文件名是否以点开头 if len(fileName) > 0 && fileName[0] == '.' { return nil // 跳过以点开头的文件 } // 获取文件扩展名 ext := filepath.Ext(filePath) // 检查文件扩展名是否为 .exe if ext == ".exe" { return nil // 跳过 .exe 文件 } wg.Add(1) go func(filePath string) { defer wg.Done() result := ProcessFile(filePath) results <- result }(filePath) } return nil }) if err != nil { return err } go func() { wg.Wait() close(results) }() for result := range results { if result.err != nil { fmt.Printf("Failed to process file %s: %v\n", result.filePath, result.err) } else { fmt.Printf("Processed file %s and saved JSON to %s\n", result.filePath, result.newFilePath) } } return nil } func ProcessFile(filePath string) DocResult { doc, err := GetDocument(filePath) if err != nil { return DocResult{filePath: filePath, err: err} } jsonData, err := json.MarshalIndent(doc, "", " ") if err != nil { return DocResult{filePath: filePath, err: err} } newFileName := ".godoos." + filepath.Base(filePath) newFilePath := filepath.Join(filepath.Dir(filePath), newFileName) err = os.WriteFile(newFilePath, jsonData, 0644) if err != nil { return DocResult{filePath: filePath, err: err} } return DocResult{filePath: filePath, newFilePath: newFilePath, err: nil} } func GetDocument(pathname string) (*Document, error) { if !libs.PathExists(pathname) { return nil, fmt.Errorf("file does not exist: %s", pathname) } abPath, err := filepath.Abs(pathname) if err != nil { return nil, err } filename := path.Base(pathname) data := Document{path: pathname, RePath: abPath, Title: filename} extension := path.Ext(pathname) _, err = getFileInfoData(&data) if err != nil { return &data, err } switch extension { case ".docx": _, e := getMetaData(&data) if e != nil { fmt.Printf("⚠️ %s", e.Error()) } _, err = getContentData(&data, docx2txt) case ".pptx": _, e := getMetaData(&data) if e != nil { fmt.Printf("⚠️ %s", e.Error()) } _, err = getContentData(&data, pptx2txt) case ".xlsx": _, e := getMetaData(&data) if e != nil { fmt.Printf("⚠️ %s", e.Error()) } _, err = getContentData(&data, xlsx2txt) case ".pdf": _, err = getContentData(&data, pdf2txt) case ".doc": _, err = getContentData(&data, doc2txt) case ".ppt": _, err = getContentData(&data, ppt2txt) case ".xls": _, err = getContentData(&data, xls2txt) case ".epub": _, err = getContentData(&data, epub2txt) case ".odt": _, err = getContentData(&data, odt2txt) case ".xml": _, err = getContentData(&data, xml2txt) case ".rtf": _, err = getContentData(&data, rtf2txt) case ".md": _, err = getContentData(&data, md2txt) case ".txt": _, err = getContentData(&data, text2txt) case ".xhtml", ".html", ".htm": _, err = getContentData(&data, html2txt) case ".json": _, err = getContentData(&data, json2txt) } if err != nil { return &data, err } return &data, nil } // Read the meta data of office files (only *.docx, *.xlsx, *.pptx) and insert into the interface func getMetaData(data *Document) (bool, error) { file, err := os.Open(data.path) if err != nil { return false, err } defer file.Close() meta, err := GetContent(file) if err != nil { return false, errors.New("failed to get office meta data") } if meta.Title != "" { data.Title = meta.Title } data.Subject = meta.Subject data.Creator = meta.Creator data.Keywords = meta.Keywords data.Description = meta.Description data.Lastmodifiedby = meta.LastModifiedBy data.Revision = meta.Revision data.Category = meta.Category data.Content = meta.Category return true, nil } func GetContent(document *os.File) (fields XMLContent, err error) { // Attempt to read the document file directly as a zip file. z, err := zip.OpenReader(document.Name()) if err != nil { return fields, errors.New("failed to open the file as zip") } defer z.Close() var xmlFile string for _, file := range z.File { if file.Name == "docProps/core.xml" { rc, err := file.Open() if err != nil { return fields, errors.New("failed to open docProps/core.xml") } defer rc.Close() scanner := bufio.NewScanner(rc) for scanner.Scan() { xmlFile += scanner.Text() } if err := scanner.Err(); err != nil { return fields, errors.New("failed to read from docProps/core.xml") } break // Exit loop after finding and reading core.xml } } // Unmarshal the collected XML content into the XMLContent struct if err := xml.Unmarshal([]byte(xmlFile), &fields); err != nil { return fields, errors.New("failed to Unmarshal") } return fields, nil } // Read the content of office files and insert into the interface func getContentData(data *Document, reader DocReader) (bool, error) { content, err := reader(data.path) if err != nil { return false, err } data.Content = content data.Split = SplitText(content, 256) return true, nil }