65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
package api
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import (
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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"github.com/labstack/echo/v4"
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)
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func saveFormFile(name string, c echo.Context) (string, error) {
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file, err := c.FormFile(name)
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if err != nil {
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return "", err
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}
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src, err := file.Open()
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if err != nil {
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return "", err
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}
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defer src.Close()
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tmpDir, err := ensureDir("tmp")
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if err != nil {
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return "", err
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}
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ext := filepath.Ext(file.Filename)
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filename := time.Now().Format(time.RFC3339)
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filename = tmpDir + "/" + sanitizeFilename(filename) + ext
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dst, err := os.Create(filename)
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if err != nil {
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return "", err
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}
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defer dst.Close()
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if _, err = io.Copy(dst, src); err != nil {
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return "", err
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}
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return filename, nil
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}
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func sanitizeFilename(filename string) string {
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invalidChars := []string{`\`, `/`, `:`, `*`, `?`, `"`, `<`, `>`, `|`}
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for _, char := range invalidChars {
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filename = strings.ReplaceAll(filename, char, "-")
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}
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return filename
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}
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func ensureDir(dirPath string) (string, error) {
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if _, err := os.Stat(dirPath); os.IsNotExist(err) {
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err := os.MkdirAll(dirPath, 0700)
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if err != nil {
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return "", err
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}
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}
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return dirPath, nil
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}
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