diff options
Diffstat (limited to 'vendor/github.com/labstack/echo/middleware/static.go')
| -rw-r--r-- | vendor/github.com/labstack/echo/middleware/static.go | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/vendor/github.com/labstack/echo/middleware/static.go b/vendor/github.com/labstack/echo/middleware/static.go deleted file mode 100644 index 55485f34..00000000 --- a/vendor/github.com/labstack/echo/middleware/static.go +++ /dev/null @@ -1,229 +0,0 @@ -package middleware - -import ( - "fmt" - "html/template" - "net/http" - "net/url" - "os" - "path" - "path/filepath" - "strings" - - "github.com/labstack/echo" - "github.com/labstack/gommon/bytes" -) - -type ( - // StaticConfig defines the config for Static middleware. - StaticConfig struct { - // Skipper defines a function to skip middleware. - Skipper Skipper - - // Root directory from where the static content is served. - // Required. - Root string `yaml:"root"` - - // Index file for serving a directory. - // Optional. Default value "index.html". - Index string `yaml:"index"` - - // Enable HTML5 mode by forwarding all not-found requests to root so that - // SPA (single-page application) can handle the routing. - // Optional. Default value false. - HTML5 bool `yaml:"html5"` - - // Enable directory browsing. - // Optional. Default value false. - Browse bool `yaml:"browse"` - } -) - -const html = ` -<!DOCTYPE html> -<html lang="en"> -<head> - <meta charset="UTF-8"> - <meta name="viewport" content="width=device-width, initial-scale=1.0"> - <meta http-equiv="X-UA-Compatible" content="ie=edge"> - <title>{{ .Name }}</title> - <style> - body { - font-family: Menlo, Consolas, monospace; - padding: 48px; - } - header { - padding: 4px 16px; - font-size: 24px; - } - ul { - list-style-type: none; - margin: 0; - padding: 20px 0 0 0; - display: flex; - flex-wrap: wrap; - } - li { - width: 300px; - padding: 16px; - } - li a { - display: block; - overflow: hidden; - white-space: nowrap; - text-overflow: ellipsis; - text-decoration: none; - transition: opacity 0.25s; - } - li span { - color: #707070; - font-size: 12px; - } - li a:hover { - opacity: 0.50; - } - .dir { - color: #E91E63; - } - .file { - color: #673AB7; - } - </style> -</head> -<body> - <header> - {{ .Name }} - </header> - <ul> - {{ range .Files }} - <li> - {{ if .Dir }} - {{ $name := print .Name "/" }} - <a class="dir" href="{{ $name }}">{{ $name }}</a> - {{ else }} - <a class="file" href="{{ .Name }}">{{ .Name }}</a> - <span>{{ .Size }}</span> - {{ end }} - </li> - {{ end }} - </ul> -</body> -</html> -` - -var ( - // DefaultStaticConfig is the default Static middleware config. - DefaultStaticConfig = StaticConfig{ - Skipper: DefaultSkipper, - Index: "index.html", - } -) - -// Static returns a Static middleware to serves static content from the provided -// root directory. -func Static(root string) echo.MiddlewareFunc { - c := DefaultStaticConfig - c.Root = root - return StaticWithConfig(c) -} - -// StaticWithConfig returns a Static middleware with config. -// See `Static()`. -func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc { - // Defaults - if config.Root == "" { - config.Root = "." // For security we want to restrict to CWD. - } - if config.Skipper == nil { - config.Skipper = DefaultStaticConfig.Skipper - } - if config.Index == "" { - config.Index = DefaultStaticConfig.Index - } - - // Index template - t, err := template.New("index").Parse(html) - if err != nil { - panic(fmt.Sprintf("echo: %v", err)) - } - - return func(next echo.HandlerFunc) echo.HandlerFunc { - return func(c echo.Context) (err error) { - if config.Skipper(c) { - return next(c) - } - - p := c.Request().URL.Path - if strings.HasSuffix(c.Path(), "*") { // When serving from a group, e.g. `/static*`. - p = c.Param("*") - } - p, err = url.PathUnescape(p) - if err != nil { - return - } - name := filepath.Join(config.Root, path.Clean("/"+p)) // "/"+ for security - - fi, err := os.Stat(name) - if err != nil { - if os.IsNotExist(err) { - if err = next(c); err != nil { - if he, ok := err.(*echo.HTTPError); ok { - if config.HTML5 && he.Code == http.StatusNotFound { - return c.File(filepath.Join(config.Root, config.Index)) - } - } - return - } - } - return - } - - if fi.IsDir() { - index := filepath.Join(name, config.Index) - fi, err = os.Stat(index) - - if err != nil { - if config.Browse { - return listDir(t, name, c.Response()) - } - if os.IsNotExist(err) { - return next(c) - } - return - } - - return c.File(index) - } - - return c.File(name) - } - } -} - -func listDir(t *template.Template, name string, res *echo.Response) (err error) { - file, err := os.Open(name) - if err != nil { - return - } - files, err := file.Readdir(-1) - if err != nil { - return - } - - // Create directory index - res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8) - data := struct { - Name string - Files []interface{} - }{ - Name: name, - } - for _, f := range files { - data.Files = append(data.Files, struct { - Name string - Dir bool - Size string - }{f.Name(), f.IsDir(), bytes.Format(f.Size())}) - } - return t.Execute(res, data) -} |