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Code Issues Releases Activity

Enhanced static browse

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Signed-off-by: Vishal Rana <vr@labstack.com>
This commit is contained in:
Vishal Rana 2018-04-11 21:41:18 -07:00
parent 88a865e8a2
commit 38f27e229c
1 changed files with 97 additions and 19 deletions
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116
middleware/static.go
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@ -2,6 +2,7 @@ package middleware
import (
"fmt"
"html/template"
"net/http"
"net/url"
"os"
@ -10,6 +11,7 @@ import (
"strings"
"github.com/labstack/echo"
"github.com/labstack/gommon/bytes"
)
type (
@ -37,6 +39,78 @@ type (
}
)
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{
@ -67,6 +141,12 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
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) {
@ -104,7 +184,7 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
if err != nil {
if config.Browse {
return listDir(name, c.Response())
return listDir(t, name, c.Response())
}
if os.IsNotExist(err) {
return next(c)
@ -120,32 +200,30 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
}
}
func listDir(name string, res *echo.Response) (err error) {
dir, err := os.Open(name)
func listDir(t *template.Template, name string, res *echo.Response) (err error) {
file, err := os.Open(name)
if err != nil {
return
}
dirs, err := dir.Readdir(-1)
files, err := file.Readdir(-1)
if err != nil {
return
}
// Create a directory index
// Create directory index
res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
if _, err = fmt.Fprintf(res, "<pre>\n"); err != nil {
return
data := struct {
Name string
Files []interface{}
}{
Name: name,
}
for _, d := range dirs {
name := d.Name()
color := "#212121"
if d.IsDir() {
color = "#e91e63"
name += "/"
}
if _, err = fmt.Fprintf(res, "<a href=\"%s\" style=\"color: %s;\">%s</a>\n", name, color, name); err != nil {
return
}
for _, f := range files {
data.Files = append(data.Files, struct {
Name string
Dir bool
Size string
}{f.Name(), f.IsDir(), bytes.Format(f.Size())})
}
_, err = fmt.Fprintf(res, "</pre>\n")
return
return t.Execute(res, data)
}