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73 lines
1.7 KiB
73 lines
1.7 KiB
package office
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import (
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"archive/zip"
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"bytes"
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"fmt"
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"io"
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"os"
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"time"
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)
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// ConvertODT converts a ODT file to text
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func odt2txt(filePath string) (string, error) {
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meta := make(map[string]string)
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var textBody string
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file, err := os.Open(filePath)
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if err != nil {
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return "", fmt.Errorf("error opening file: %v", err)
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}
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defer file.Close()
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b, err := io.ReadAll(io.LimitReader(file, maxBytes))
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if err != nil {
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return "", err
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}
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zr, err := zip.NewReader(bytes.NewReader(b), int64(len(b)))
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if err != nil {
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return "", fmt.Errorf("error unzipping data: %v", err)
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}
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for _, f := range zr.File {
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switch f.Name {
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case "meta.xml":
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rc, err := f.Open()
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if err != nil {
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return "", fmt.Errorf("error extracting '%v' from archive: %v", f.Name, err)
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}
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defer rc.Close()
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info, err := XMLToMap(rc)
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if err != nil {
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return "", fmt.Errorf("error parsing '%v': %v", f.Name, err)
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}
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if tmp, ok := info["creator"]; ok {
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meta["Author"] = tmp
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}
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if tmp, ok := info["date"]; ok {
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if t, err := time.Parse("2006-01-02T15:04:05", tmp); err == nil {
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meta["ModifiedDate"] = fmt.Sprintf("%d", t.Unix())
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}
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}
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if tmp, ok := info["creation-date"]; ok {
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if t, err := time.Parse("2006-01-02T15:04:05", tmp); err == nil {
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meta["CreatedDate"] = fmt.Sprintf("%d", t.Unix())
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}
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}
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case "content.xml":
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rc, err := f.Open()
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if err != nil {
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return "", fmt.Errorf("error extracting '%v' from archive: %v", f.Name, err)
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}
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defer rc.Close()
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textBody, err = XMLToText(rc, []string{"br", "p", "tab"}, []string{}, true)
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if err != nil {
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return "", fmt.Errorf("error parsing '%v': %v", f.Name, err)
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}
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}
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}
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return textBody, nil
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}
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