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use go html templates

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This commit is contained in:
ari melody 2025-06-08 21:15:39 +01:00
parent 1ff61e9b8f
commit 59230b7ad5
Signed by: ari
GPG key ID: CF99829C92678188
3 changed files with 142 additions and 80 deletions
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2
README.md
View file

@ -17,6 +17,6 @@ indir [--host address] [--port port] [--root http_root] directory
```
## to-do:
- [ ] use templates instead of hard-coded HTML (i was lazy)
- [x] use templates instead of hard-coded HTML (i was lazy)
- [ ] directory header from readme file
- [ ] directory stylesheet overrides

129
main.go
View file

@ -2,6 +2,7 @@ package main
import (
"fmt"
"html/template"
"io/fs"
"mime"
"net/http"
@ -13,6 +14,22 @@ import (
"time"
)
type (
Directory struct {
Name string
Root bool
Files []*File
}
File struct {
Name string
URI string
IsDir bool
Size string
ModifiedDate string
}
)
func main() {
if len(os.Args) < 2 { printHelp() }
@ -72,47 +89,12 @@ func main() {
".DS_Store",
}
stylesheet := `
html {
background: #101010;
color: #f0f0f0;
font-family: 'Monaspace Argon', monospace;
dirTemplate, err := template.ParseGlob("./templates/dir.html")
if err != nil {
fmt.Fprintf(os.Stderr, "fatal: failed to parse directory template: %v\n", err)
os.Exit(1)
}
body {
width: min(calc(100% - 1em), 1000px);
margin: 0 auto;
}
table {
width: 100%;
border-collapse: collapse;
}
tr:hover {
background-color: #80808040;
}
th {
text-align: left;
}
td {
padding: .2em 0;
}
a {
color: #b7fd49;
}
a:hover {
color: white;
}
footer {
padding: 1em 0;
}
`
fmt.Printf("Now hosting \"%s\" at http://%s:%d", filesDir, host, port)
if root != "/" { fmt.Printf("%s", root) }
fmt.Println(".")
@ -124,25 +106,6 @@ func main() {
}
isRoot := r.URL.Path == root
responseText := fmt.Sprintf(`<!DOCTYPE html>
<html lang="en-IE">
<head>
<title>Listing %s</title>
<style>%s</style>
<meta charset="UTF-8">
</head>
<body>
<main>
`, r.URL.Path, stylesheet)
responseText += fmt.Sprintf("<h1>Files in %s</h1>\n<hr>", r.URL.Path)
responseText += "<table>\n"
responseText += "<tr>\n<th>Name</th>\n<th>Size</th>\n<th>Modified</th>\n</tr>\n"
if !isRoot {
responseText += "<tr><td><a href=\"./..\">../</a></td><td>&mdash;</td><td>&mdash;</td></tr>\n"
}
filepath := path.Join(filesDir, strings.TrimPrefix(r.URL.Path, root))
info, err := os.Stat(filepath)
if err != nil {
@ -150,13 +113,13 @@ func main() {
return
}
if !info.IsDir() && strings.HasSuffix(r.URL.Path, "/") {
http.Redirect(w, r, strings.TrimSuffix(r.URL.Path, "/"), http.StatusFound)
} else if info.IsDir() && !strings.HasSuffix(r.URL.Path, "/") {
http.Redirect(w, r, r.URL.Path + "/", http.StatusFound)
}
// downloading file
if !info.IsDir() {
if strings.HasSuffix(r.URL.Path, "/") {
http.Redirect(w, r, strings.TrimSuffix(r.URL.Path, "/"), http.StatusFound)
return
}
file, err := os.Open(filepath)
if err != nil {
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
@ -186,6 +149,17 @@ func main() {
return
}
if !strings.HasSuffix(r.URL.Path, "/") {
http.Redirect(w, r, r.URL.Path + "/", http.StatusFound)
return
}
data := Directory{
Root: isRoot,
Name: r.URL.Path,
Files: []*File{},
}
fsDir := os.DirFS(filepath)
directories, err := fs.ReadDir(fsDir, ".")
for _, dir := range directories {
@ -202,9 +176,7 @@ func main() {
uri = r.URL.Path + name
}
responseText += fmt.Sprintf(
"<tr><td><a href=\"%s\">%s</a></td>", uri, name)
sizeStr := "&mdash;"
if !info.IsDir() {
size := info.Size()
sizeDenom := "B"
@ -220,28 +192,27 @@ func main() {
size /= 1000
sizeDenom = "GB"
}
responseText += fmt.Sprintf("<td><code title=\"%d bytes\">%d%s</code></td>", info.Size(), size, sizeDenom)
} else {
responseText += "<td>&mdash;</td>"
sizeStr = fmt.Sprintf("%d%s", size, sizeDenom)
}
dateStr := info.ModTime().Format("02-Jan-2006 15:04")
responseText += fmt.Sprintf("<td>%s</td>", dateStr)
responseText += "</tr>\n"
data.Files = append(data.Files, &File{
Name: name,
URI: uri,
IsDir: info.IsDir(),
Size: sizeStr,
ModifiedDate: dateStr,
})
}
if err != nil {
fmt.Fprintf(os.Stderr, "failed to open directory: %v\n", err)
}
responseText += "</table>\n"
responseText += "<hr>\n</main>\n"
responseText += "<footer><em>made with <span aria-label=\"love\">♥</span> by ari, 2025 <a href=\"https://git.arimelody.me/ari/indir\" target=\"_blank\">[source]</a></em></footer>\n"
responseText += "</body>\n</html>\n"
w.Header().Set("Content-Type", "text/html")
w.WriteHeader(200)
w.Write([]byte(responseText))
w.Header().Set("Server", "indir")
w.WriteHeader(http.StatusOK)
dirTemplate.Execute(w, data)
})))
}

91
templates/dir.html Normal file
View file

@ -0,0 +1,91 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Files in {{.Name}}</title>
<style>
html {
background: #101010;
color: #f0f0f0;
font-family: 'Monaspace Argon', monospace;
}
body {
width: min(calc(100% - 1em), 1000px);
margin: 0 auto;
}
table {
width: 100%;
border-collapse: collapse;
}
tr:hover {
background-color: #80808040;
}
th {
text-align: left;
}
td {
width: 1%;
max-width: 500px;
padding: .2em 0;
}
table a {
display: block;
line-break: anywhere;
text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
}
a {
color: #b7fd49;
text-decoration: none;
}
a:hover {
color: white;
text-decoration: underline;
}
footer {
padding: 1em 0;
}
</style>
</head>
<body>
<main>
<h1>Files in {{.Name}}</h1>
<hr>
<table>
<tr>
<th>Name</th>
<th>Size</th>
<th>Modified</th>
</tr>
{{if not .Root}}
<tr>
<td><a href="./..">../</a></td>
<td>&mdash;</td>
<td>&mdash;</td>
</tr>
{{end}}
{{range .Files}}
<tr>
<td><a href="{{.URI}}">{{.Name}}</a></td>
<td>{{if .IsDir}}&mdash;{{else}}{{.Size}}{{end}}</td>
<td>{{.ModifiedDate}}</td>
</tr>
{{end}}
</table>
<hr>
</main>
<footer>
<em>made with <span aria-label="love">♥</span> by ari, 2025 <a href="https://git.arimelody.me/ari/indir" target="_blank">[source]</a></em>
</footer>
</body>
</html>