List and preview uploaded files.
This commit is contained in:
parent
8e9ffa2405
commit
79b65dfb34
80
main.go
80
main.go
@ -8,6 +8,7 @@ import (
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"log"
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"net/http"
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"os"
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"regexp"
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"github.com/labstack/echo/v4"
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"github.com/labstack/echo/v4/middleware"
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@ -60,6 +61,17 @@ type Template struct {
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templates *template.Template
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}
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type File struct {
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Name string
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FileType string
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Content string
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}
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type FilesData struct {
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Files []File
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UploadOnly bool
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}
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type IndexData struct {
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Host string
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UploadOnly bool
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@ -77,8 +89,74 @@ func Index(c echo.Context) error {
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return c.Render(http.StatusOK, "index", data)
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}
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func GetFileContentType(ouput *os.File) (string, error) {
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buf := make([]byte, 512)
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_, err := ouput.Read(buf)
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if err != nil {
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return "", err
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}
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contentType := http.DetectContentType(buf)
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return contentType, nil
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}
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func Files(c echo.Context) error {
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return c.Render(http.StatusOK, "files", "test")
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var files FilesData
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filelist, err := os.ReadDir("./files/")
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if err != nil {
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log.Fatal(err)
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}
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var Type string
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var Content string
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ImageMatch := regexp.MustCompile("^image/.*")
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VideoMatch := regexp.MustCompile("^video/.*")
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JsonMatch := regexp.MustCompile("application/json")
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TextMatch := regexp.MustCompile("^text/.*|application/octet-stream")
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for _, f := range filelist {
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filePath := "files/" + f.Name()
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file, err := os.Open(filePath)
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if err != nil {
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panic(err)
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}
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defer file.Close()
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contentType, err := GetFileContentType(file)
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switch {
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case ImageMatch.MatchString(contentType):
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Type = "image"
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Content = ""
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case VideoMatch.MatchString(contentType):
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Type = "video"
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Content = ""
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case JsonMatch.MatchString(contentType):
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Type = "text"
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b, _ := os.ReadFile(filePath)
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Content = string(b)
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case TextMatch.MatchString(contentType):
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Type = "text"
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b, _ := os.ReadFile(filePath)
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Content = string(b)
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default:
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Type = "else"
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Content = ""
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}
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log.Print(contentType)
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files.Files = append(
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files.Files,
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File{Name: f.Name(), FileType: Type, Content: Content},
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)
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}
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return c.Render(http.StatusOK, "files", files)
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}
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func Upload(c echo.Context) error {
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@ -11,6 +11,21 @@
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<body>
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<h1>File List</h1>
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{{range .Files}}
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<hr />
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<div class="file">
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{{if eq .FileType "image"}}
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<img src="/files/{{.Name}}" alt="{{.Name}}" />
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{{else if eq .FileType "video"}}
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<video controls src="/files/{{.Name}}" />
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{{else if eq .FileType "text"}}
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<pre>{{.Content}}</pre>
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{{end}}
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<div class="info">
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<a href="/files/{{.Name}}" download>{{.Name}}</a>
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</div>
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</div>
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{{end}}
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</body>
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</html>
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