/
setup.go
449 lines (396 loc) · 12.8 KB
/
setup.go
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package browse
import (
"fmt"
"io/ioutil"
"net/http"
"text/template"
"github.com/mholt/caddy"
"github.com/mholt/caddy/caddyhttp/httpserver"
"github.com/mholt/caddy/caddyhttp/staticfiles"
)
func init() {
caddy.RegisterPlugin("browse", caddy.Plugin{
ServerType: "http",
Action: setup,
})
}
// setup configures a new Browse middleware instance.
func setup(c *caddy.Controller) error {
configs, err := browseParse(c)
if err != nil {
return err
}
b := Browse{
Configs: configs,
IgnoreIndexes: false,
}
httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
b.Next = next
return b
})
return nil
}
func browseParse(c *caddy.Controller) ([]Config, error) {
var configs []Config
cfg := httpserver.GetConfig(c)
appendCfg := func(bc Config) error {
for _, c := range configs {
if c.PathScope == bc.PathScope {
return fmt.Errorf("duplicate browsing config for %s", c.PathScope)
}
}
configs = append(configs, bc)
return nil
}
for c.Next() {
var bc Config
// First argument is directory to allow browsing; default is site root
if c.NextArg() {
bc.PathScope = c.Val()
} else {
bc.PathScope = "/"
}
bc.Fs = staticfiles.FileServer{
Root: http.Dir(cfg.Root),
Hide: httpserver.GetConfig(c).HiddenFiles,
}
// Second argument would be the template file to use
var tplText string
if c.NextArg() {
tplBytes, err := ioutil.ReadFile(c.Val())
if err != nil {
return configs, err
}
tplText = string(tplBytes)
} else {
tplText = defaultTemplate
}
// Build the template
tpl, err := template.New("listing").Parse(tplText)
if err != nil {
return configs, err
}
bc.Template = tpl
// Save configuration
err = appendCfg(bc)
if err != nil {
return configs, err
}
}
return configs, nil
}
// The default template to use when serving up directory listings
const defaultTemplate = `<!DOCTYPE html>
<html>
<head>
<title>{{html .Name}}</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
* { padding: 0; margin: 0; }
body {
font-family: sans-serif;
text-rendering: optimizespeed;
}
a {
color: #006ed3;
text-decoration: none;
}
a:hover,
h1 a:hover {
color: #319cff;
}
header,
#summary {
padding-left: 5%;
padding-right: 5%;
}
th:first-child,
td:first-child {
padding-left: 5%;
}
th:last-child,
td:last-child {
padding-right: 5%;
}
header {
padding-top: 25px;
padding-bottom: 15px;
background-color: #f2f2f2;
}
h1 {
font-size: 20px;
font-weight: normal;
white-space: nowrap;
overflow-x: hidden;
text-overflow: ellipsis;
}
h1 a {
color: inherit;
}
h1 a:hover {
text-decoration: underline;
}
main {
display: block;
}
.meta {
font-size: 12px;
font-family: Verdana, sans-serif;
border-bottom: 1px solid #9C9C9C;
padding-top: 10px;
padding-bottom: 10px;
}
.meta-item {
margin-right: 1em;
}
#filter {
padding: 4px;
border: 1px solid #CCC;
}
table {
width: 100%;
border-collapse: collapse;
}
tr {
border-bottom: 1px dashed #dadada;
}
tbody tr:hover {
background-color: #ffffec;
}
th,
td {
text-align: left;
padding: 10px 0;
}
th {
padding-top: 15px;
padding-bottom: 15px;
font-size: 16px;
white-space: nowrap;
}
th a {
color: black;
}
th svg {
vertical-align: middle;
}
td {
font-size: 14px;
}
td:first-child {
width: 50%;
}
th:last-child,
td:last-child {
text-align: right;
}
td:first-child svg {
position: absolute;
}
td .name,
td .goup {
margin-left: 1.75em;
word-break: break-all;
overflow-wrap: break-word;
white-space: pre-wrap;
}
footer {
padding: 40px 20px;
font-size: 12px;
text-align: center;
}
@media (max-width: 600px) {
.hideable {
display: none;
}
td:first-child {
width: auto;
}
th:nth-child(2),
td:nth-child(2) {
padding-right: 5%;
text-align: right;
}
}
</style>
</head>
<body>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="0" width="0" style="position: absolute;">
<defs>
<!-- Folder -->
<linearGradient id="f" y2="640" gradientUnits="userSpaceOnUse" x2="244.84" gradientTransform="matrix(.97319 0 0 1.0135 -.50695 -13.679)" y1="415.75" x1="244.84">
<stop stop-color="#b3ddfd" offset="0"/>
<stop stop-color="#69c" offset="1"/>
</linearGradient>
<linearGradient id="e" y2="571.06" gradientUnits="userSpaceOnUse" x2="238.03" gradientTransform="translate(0,2)" y1="346.05" x1="236.26">
<stop stop-color="#ace" offset="0"/>
<stop stop-color="#369" offset="1"/>
</linearGradient>
<g id="folder" transform="translate(-266.06 -193.36)">
<g transform="matrix(.066019 0 0 .066019 264.2 170.93)">
<g transform="matrix(1.4738 0 0 1.4738 -52.053 -166.93)">
<path fill="#69c" d="m98.424 343.78c-11.08 0-20 8.92-20 20v48.5 33.719 105.06c0 11.08 8.92 20 20 20h279.22c11.08 0 20-8.92 20-20v-138.78c0-11.08-8.92-20-20-20h-117.12c-7.5478-1.1844-9.7958-6.8483-10.375-11.312v-5.625-11.562c0-11.08-8.92-20-20-20h-131.72z"/>
<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="409.69" x="54.428" fill="#369"/>
<path fill="url(#e)" d="m98.424 345.78c-11.08 0-20 8.92-20 20v48.5 33.719 105.06c0 11.08 8.92 20 20 20h279.22c11.08 0 20-8.92 20-20v-138.78c0-11.08-8.92-20-20-20h-117.12c-7.5478-1.1844-9.7958-6.8483-10.375-11.312v-5.625-11.562c0-11.08-8.92-20-20-20h-131.72z"/>
<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="407.69" x="54.428" fill="url(#f)"/>
</g>
</g>
</g>
<!-- File -->
<linearGradient id="a">
<stop stop-color="#cbcbcb" offset="0"/>
<stop stop-color="#f0f0f0" offset=".34923"/>
<stop stop-color="#e2e2e2" offset="1"/>
</linearGradient>
<linearGradient id="d" y2="686.15" xlink:href="#a" gradientUnits="userSpaceOnUse" y1="207.83" gradientTransform="matrix(.28346 0 0 .31053 -608.52 485.11)" x2="380.1" x1="749.25"/>
<linearGradient id="c" y2="287.74" xlink:href="#a" gradientUnits="userSpaceOnUse" y1="169.44" gradientTransform="matrix(.28342 0 0 .31057 -608.52 485.11)" x2="622.33" x1="741.64"/>
<linearGradient id="b" y2="418.54" gradientUnits="userSpaceOnUse" y1="236.13" gradientTransform="matrix(.29343 0 0 .29999 -608.52 485.11)" x2="330.88" x1="687.96">
<stop stop-color="#fff" offset="0"/>
<stop stop-color="#fff" stop-opacity="0" offset="1"/>
</linearGradient>
<g id="file" transform="translate(-278.15 -216.59)">
<g fill-rule="evenodd" transform="matrix(.19775 0 0 .19775 381.05 112.68)">
<path d="m-520.17 525.5v36.739 36.739 36.739 36.739h33.528 33.528 33.528 33.528v-36.739-36.739-36.739l-33.528-36.739h-33.528-33.528-33.528z" stroke-opacity=".36478" stroke-width=".42649" fill="#fff"/>
<g>
<path d="m-520.11 525.68v36.739 36.739 36.739 36.739h33.528 33.528 33.528 33.528v-36.739-36.739-36.739l-33.528-36.739h-33.528-33.528-33.528z" stroke-opacity=".36478" stroke="#000" stroke-width=".42649" fill="url(#d)"/>
<path d="m-386 562.42c-10.108-2.9925-23.206-2.5682-33.101-0.86253 1.7084-10.962 1.922-24.701-0.4271-35.877l33.528 36.739z" stroke-width=".95407pt" fill="url(#c)"/>
<path d="m-519.13 537-0.60402 134.7h131.68l0.0755-33.296c-2.9446 1.1325-32.692-40.998-70.141-39.186-37.483 1.8137-27.785-56.777-61.006-62.214z" stroke-width="1pt" fill="url(#b)"/>
</g>
</g>
</g>
<!-- Up arrow -->
<g id="up-arrow" transform="translate(-279.22 -208.12)">
<path transform="matrix(.22413 0 0 .12089 335.67 164.35)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
</g>
<!-- Down arrow -->
<g id="down-arrow" transform="translate(-279.22 -208.12)">
<path transform="matrix(.22413 0 0 -.12089 335.67 257.93)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
</g>
</defs>
</svg>
<header>
<h1>
{{range $url, $name := .BreadcrumbMap}}<a href="{{html $url}}">{{html $name}}</a>{{if ne $url "/"}}/{{end}}{{end}}
</h1>
</header>
<main>
<div class="meta">
<div id="summary">
<span class="meta-item"><b>{{.NumDirs}}</b> director{{if eq 1 .NumDirs}}y{{else}}ies{{end}}</span>
<span class="meta-item"><b>{{.NumFiles}}</b> file{{if ne 1 .NumFiles}}s{{end}}</span>
{{- if ne 0 .ItemsLimitedTo}}
<span class="meta-item">(of which only <b>{{.ItemsLimitedTo}}</b> are displayed)</span>
{{- end}}
<span class="meta-item"><input type="text" placeholder="filter" id="filter" onkeyup='filter()'></span>
</div>
</div>
<div class="listing">
<table aria-describedby="summary">
<thead>
<tr>
<th>
{{- if and (eq .Sort "name") (ne .Order "desc")}}
<a href="?sort=name&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
{{- else if and (eq .Sort "name") (ne .Order "asc")}}
<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
{{- else}}
<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name</a>
{{- end}}
</th>
<th>
{{- if and (eq .Sort "size") (ne .Order "desc")}}
<a href="?sort=size&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
{{- else if and (eq .Sort "size") (ne .Order "asc")}}
<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
{{- else}}
<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size</a>
{{- end}}
</th>
<th class="hideable">
{{- if and (eq .Sort "time") (ne .Order "desc")}}
<a href="?sort=time&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
{{- else if and (eq .Sort "time") (ne .Order "asc")}}
<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
{{- else}}
<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified</a>
{{- end}}
</th>
</tr>
</thead>
<tbody>
{{- if .CanGoUp}}
<tr>
<td>
<a href="..">
<span class="goup">Go up</span>
</a>
</td>
<td>—</td>
<td class="hideable">—</td>
</tr>
{{- end}}
{{- range .Items}}
<tr class="file">
<td>
<a href="{{html .URL}}">
{{- if .IsDir}}
<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 35.678803 28.527945"><use xlink:href="#folder"></use></svg>
{{- else}}
<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 26.604381 29.144726"><use xlink:href="#file"></use></svg>
{{- end}}
<span class="name">{{html .Name}}</span>
</a>
</td>
{{- if .IsDir}}
<td data-order="-1">—</td>
{{- else}}
<td data-order="{{.Size}}">{{.HumanSize}}</td>
{{- end}}
<td class="hideable"><time datetime="{{.HumanModTime "2006-01-02T15:04:05Z"}}">{{.HumanModTime "01/02/2006 03:04:05 PM -07:00"}}</time></td>
</tr>
{{- end}}
</tbody>
</table>
</div>
</main>
<footer>
Served with <a rel="noopener noreferrer" href="https://caddyserver.com">Caddy</a>
</footer>
<script>
var filterEl = document.getElementById('filter');
function filter() {
var q = filterEl.value.trim().toLowerCase();
var elems = document.querySelectorAll('tr.file');
elems.forEach(function(el) {
if (!q) {
el.style.display = '';
return;
}
var nameEl = el.querySelector('.name');
var nameVal = nameEl.textContent.trim().toLowerCase();
if (nameVal.indexOf(q) !== -1) {
el.style.display = '';
} else {
el.style.display = 'none';
}
});
}
function localizeDatetime(e, index, ar) {
if (e.textContent === undefined) {
return;
}
var d = new Date(e.getAttribute('datetime'));
if (isNaN(d)) {
d = new Date(e.textContent);
if (isNaN(d)) {
return;
}
}
e.textContent = d.toLocaleString();
}
var timeList = Array.prototype.slice.call(document.getElementsByTagName("time"));
timeList.forEach(localizeDatetime);
</script>
</body>
</html>`