tidy source files
separating logging and web serving into modules
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4 changed files with 273 additions and 242 deletions
191
web/dir.html
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191
web/dir.html
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@ -0,0 +1,191 @@
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Files in {{.Name}}</title>
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<style>
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html {
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background: #101010;
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color: #f0f0f0;
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font-family: "Monaspace Argon", monospace;
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font-size: 16px;
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}
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body {
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width: min(calc(100% - 1em), 1000px);
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margin: 0 auto;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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}
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tr:hover {
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background-color: #80808040;
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}
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th {
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text-align: left;
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}
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td {
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width: 1%;
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max-width: 500px;
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padding: 0.2em 0;
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}
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table a {
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display: block;
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line-break: anywhere;
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text-overflow: ellipsis;
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overflow: hidden;
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white-space: nowrap;
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}
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a {
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color: #b7fd49;
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text-decoration: none;
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}
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a:hover {
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color: white;
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text-decoration: underline;
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}
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.readme {
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margin-top: 2rem;
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}
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.readme h1, .readme h2, .readme h3,
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.readme h4, .readme h5, .readme h6 {
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color: #f0f0f0;
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margin-top: 1.2rem;
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}
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.readme p, .readme li {
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line-height: 1.7;
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color: #d0d0d0;
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}
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.readme a {
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color: #b7fd49;
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}
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.readme a:hover {
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color: white;
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text-decoration: underline;
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}
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.readme code {
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background: #1e1e1e;
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border: 1px solid #333;
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border-radius: 3px;
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padding: .1em, .4em;
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font-family: 'Monaspace Argon', monospace;
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font-size: .9em;
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color: #b7fd79;
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}
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.readme pre {
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background: #1e1e1e;
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border: 3px solid #333;
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border-radius: 6px;
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padding: 1em;
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overflow-x: auto;
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}
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.readme pre code {
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border: none;
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padding: 0;
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background: transparent;
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}
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.readme blockquote {
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border-left: 3px solid #b7fd49;
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margin: 0;
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padding-left: 1em;
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color: #a0a0a0;
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}
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.readme hr {
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border-color: #333;
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}
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.readme table {
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width: auto;
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}
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.readme table td,
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.readme table th {
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border: 1px solid #333;
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padding: .3em .6em;
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width: auto;
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}
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footer {
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padding: 1em 0;
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}
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@media screen and (max-width: 700px) {
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body {
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font-size: 12px;
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}
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td {
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width: auto;
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}
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td:last-of-type,
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th:last-of-type {
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display: none;
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}
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}
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</style>
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{{if .CSS}}
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<style>{{.CSS}}</style>
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{{end}}
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</head>
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<body>
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<main>
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<h1>Files in {{.Name}}</h1>
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<hr />
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<table>
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<tr>
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<th>Name</th>
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<th>Size</th>
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<th>Modified</th>
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</tr>
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{{if not .Root}}
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<tr>
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<td><a href="./..">../</a></td>
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<td>—</td>
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<td>—</td>
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</tr>
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{{end}} {{range .Files}}
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<tr>
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<td><a href="{{.URI}}">{{.Name}}</a></td>
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<td>{{if .IsDir}}—{{else}}{{.Size}}{{end}}</td>
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<td>{{.ModifiedDate}}</td>
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</tr>
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{{end}}
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</table>
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<hr />
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{{if .Readme}}
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<article class="readme">
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{{.Readme}}
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</article>
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{{end}}
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</main>
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<footer>
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<em
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>made with <span aria-label="love">♥</span> by ari melody and contributors, 2026
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<a
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href="https://codeberg.org/arimelody/indir"
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target="_blank"
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>[source]</a
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></em
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>
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</footer>
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</body>
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</html>
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204
web/main.go
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204
web/main.go
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package web
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import (
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_ "embed"
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"fmt"
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"html/template"
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"io/fs"
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"mime"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"slices"
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"strings"
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"github.com/gomarkdown/markdown"
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"github.com/gomarkdown/markdown/html"
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"github.com/gomarkdown/markdown/parser"
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)
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type (
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AppState struct {
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Root string
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FilesDir string
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IgnoredFiles []string
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}
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Directory struct {
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Name string
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Root bool
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Files []*File
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Readme template.HTML
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CSS template.CSS
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}
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File struct {
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Name string
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URI string
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IsDir bool
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Size string
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ModifiedDate string
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}
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)
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//go:embed dir.html
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var dirTemplateSrc string
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var dirTemplate = template.Must(template.New("dir").Parse(dirTemplateSrc))
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func Handler(app *AppState) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if !strings.HasPrefix(r.URL.Path, app.Root) {
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http.NotFound(w, r)
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return
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}
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isRoot := r.URL.Path == app.Root
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fpath := path.Join(app.FilesDir, strings.TrimPrefix(r.URL.Path, app.Root))
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info, err := os.Stat(fpath)
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if err != nil {
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http.NotFound(w, r)
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return
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}
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// downloading file
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if !info.IsDir() {
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if strings.HasSuffix(r.URL.Path, "/") {
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http.Redirect(w, r, strings.TrimSuffix(r.URL.Path, "/"), http.StatusFound)
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return
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}
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file, err := os.Open(fpath)
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if err != nil {
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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defer func() {
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err := file.Close()
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to close file %s: %v\n", fpath, err)
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}
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}()
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mimeType := "application/octet-stream"
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extPos := strings.LastIndex(info.Name(), ".")
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if extPos != -1 {
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if m := mime.TypeByExtension(info.Name()[extPos:]); m != "" {
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mimeType = m
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}
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}
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w.Header().Set("Content-Type", mimeType)
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w.WriteHeader(http.StatusOK)
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_, err = file.WriteTo(w)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to send file %s: %v\n", fpath, err)
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}
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return
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}
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if !strings.HasSuffix(r.URL.Path, "/") {
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http.Redirect(w, r, r.URL.Path + "/", http.StatusFound)
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return
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}
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// serve index.html if present (case-sensitive)
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indexPath := filepath.Join(fpath, "index.html")
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if indexInfo, err := os.Stat(indexPath); err == nil && !indexInfo.IsDir() {
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http.ServeFile(w, r, indexPath)
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return
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}
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// load index.css if present
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var customCSS template.CSS
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cssPath := filepath.Join(fpath, "index.css")
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if cssInfo, err := os.Stat(cssPath); err == nil && !cssInfo.IsDir() {
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if src, err := os.ReadFile(cssPath); err == nil {
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customCSS = template.CSS(src)
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}
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}
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// embeded readme
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var readmeHTML template.HTML
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entries, err := os.ReadDir(fpath)
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if err == nil {
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for _, entry := range entries {
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if strings.EqualFold(entry.Name(), "readme.md") {
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src, err := os.ReadFile(filepath.Join(fpath, entry.Name()))
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if err == nil {
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mdFlags := html.CommonFlags | html.HrefTargetBlank
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mdRenderer := html.NewRenderer(html.RendererOptions{Flags: mdFlags})
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mdParser := parser.NewWithExtensions(parser.CommonExtensions | parser.AutoHeadingIDs)
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md := mdParser.Parse(src)
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readmeHTML = template.HTML(markdown.Render(md, mdRenderer))
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}
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break
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}
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}
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}
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data := Directory{
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Root: isRoot,
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Name: r.URL.Path,
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Files: []*File{},
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Readme: readmeHTML,
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CSS: customCSS,
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}
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fsDir := os.DirFS(fpath)
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directories, err := fs.ReadDir(fsDir, ".")
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for _, dir := range directories {
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name := dir.Name()
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if slices.Contains(app.IgnoredFiles, name) { continue }
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info, err := dir.Info()
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if err != nil { continue }
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var uri string
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if isRoot {
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uri = app.Root + name
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} else {
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uri = r.URL.Path + name
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}
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sizeStr := "—"
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if !info.IsDir() {
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size := info.Size()
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sizeDenom := "B"
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if size > 1000 {
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size /= 1000
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sizeDenom = "KB"
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}
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if size > 1000 {
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size /= 1000
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sizeDenom = "MB"
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}
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if size > 1000 {
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size /= 1000
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sizeDenom = "GB"
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}
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sizeStr = fmt.Sprintf("%d%s", size, sizeDenom)
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}
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dateStr := info.ModTime().Format("02-Jan-2006 15:04")
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data.Files = append(data.Files, &File{
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Name: name,
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URI: uri,
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IsDir: info.IsDir(),
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Size: sizeStr,
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ModifiedDate: dateStr,
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})
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to open directory: %v\n", err)
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}
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w.Header().Set("Content-Type", "text/html")
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w.Header().Set("Server", "indir")
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w.WriteHeader(http.StatusOK)
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dirTemplate.Execute(w, data)
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}
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}
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