add base code based on browse middleware
Henrique Dias
parent
62c50d3655
commit
7d17d05850
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* { padding: 0; margin: 0; }
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body {
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font-family: sans-serif;
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text-rendering: optimizespeed;
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}
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a {
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color: #006ed3;
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text-decoration: none;
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}
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a:hover,
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h1 a:hover {
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color: #319cff;
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}
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header,
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#summary {
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padding-left: 5%;
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padding-right: 5%;
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}
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th:first-child,
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td:first-child {
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padding-left: 5%;
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}
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th:last-child,
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td:last-child {
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padding-right: 5%;
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}
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header {
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padding-top: 25px;
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padding-bottom: 15px;
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background-color: #f2f2f2;
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}
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h1 {
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font-size: 20px;
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font-weight: normal;
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white-space: nowrap;
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overflow-x: hidden;
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text-overflow: ellipsis;
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}
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h1 a {
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color: inherit;
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}
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h1 a:hover {
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text-decoration: underline;
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}
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main {
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display: block;
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}
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.meta {
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font-size: 12px;
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font-family: Verdana, sans-serif;
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border-bottom: 1px solid #9C9C9C;
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padding-top: 15px;
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padding-bottom: 15px;
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}
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.meta-item {
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margin-right: 1em;
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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 {
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border-bottom: 1px dashed #dadada;
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}
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tr:not(:first-child):hover {
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background-color: #ffffec;
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}
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th,
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td {
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text-align: left;
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padding: 10px 0;
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}
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th {
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padding-top: 15px;
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padding-bottom: 15px;
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font-size: 16px;
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white-space: nowrap;
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}
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th a {
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color: black;
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}
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th svg {
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vertical-align: middle;
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}
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td {
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font-size: 14px;
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}
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td:first-child {
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width: 50%;
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}
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th:last-child,
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td:last-child {
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text-align: right;
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}
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td:first-child svg {
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position: absolute;
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}
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td .name,
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td .goup {
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margin-left: 1.75em;
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word-break: break-all;
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overflow-wrap: break-word;
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white-space: pre-wrap;
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}
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footer {
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padding: 40px 20px;
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font-size: 12px;
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text-align: center;
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}
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@media (max-width: 600px) {
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.hideable {
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display: none;
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}
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td:first-child {
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width: auto;
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}
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th:nth-child(2),
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td:nth-child(2) {
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padding-right: 5%;
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text-align: right;
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}
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}
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<!DOCTYPE html>
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<html>
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<head>
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<title>{{.Name}}</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="/_filemanager_internal/styles.css">
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<style>
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</style>
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</head>
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<body>
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<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;">
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<defs>
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<!-- Folder -->
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<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">
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<stop stop-color="#b3ddfd" offset="0"/>
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<stop stop-color="#69c" offset="1"/>
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</linearGradient>
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<linearGradient id="e" y2="571.06" gradientUnits="userSpaceOnUse" x2="238.03" gradientTransform="translate(0,2)" y1="346.05" x1="236.26">
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<stop stop-color="#ace" offset="0"/>
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<stop stop-color="#369" offset="1"/>
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</linearGradient>
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<g id="folder" transform="translate(-266.06 -193.36)">
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<g transform="matrix(.066019 0 0 .066019 264.2 170.93)">
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<g transform="matrix(1.4738 0 0 1.4738 -52.053 -166.93)">
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<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"/>
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<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="409.69" x="54.428" fill="#369"/>
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<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"/>
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<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="407.69" x="54.428" fill="url(#f)"/>
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</g>
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</g>
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</g>
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<!-- File -->
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<linearGradient id="a">
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<stop stop-color="#cbcbcb" offset="0"/>
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<stop stop-color="#f0f0f0" offset=".34923"/>
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<stop stop-color="#e2e2e2" offset="1"/>
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</linearGradient>
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<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"/>
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<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"/>
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<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">
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<stop stop-color="#fff" offset="0"/>
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<stop stop-color="#fff" stop-opacity="0" offset="1"/>
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</linearGradient>
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<g id="file" transform="translate(-278.15 -216.59)">
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<g fill-rule="evenodd" transform="matrix(.19775 0 0 .19775 381.05 112.68)">
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<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"/>
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<g>
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<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)"/>
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<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)"/>
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<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)"/>
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</g>
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</g>
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</g>
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<!-- Up arrow -->
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<g id="up-arrow" transform="translate(-279.22 -208.12)">
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<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"/>
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</g>
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<!-- Down arrow -->
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<g id="down-arrow" transform="translate(-279.22 -208.12)">
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<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"/>
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</g>
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</defs>
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</svg>
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<header>
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<h1>
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{{range $url, $name := .BreadcrumbMap}}<a href="{{$url}}">{{$name}}</a>{{if ne $url "/"}}/{{end}}{{end}}
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</h1>
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</header>
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<main>
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<div class="meta">
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<div id="summary">
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<span class="meta-item"><b>{{.NumDirs}}</b> director{{if eq 1 .NumDirs}}y{{else}}ies{{end}}</span>
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<span class="meta-item"><b>{{.NumFiles}}</b> file{{if ne 1 .NumFiles}}s{{end}}</span>
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{{- if ne 0 .ItemsLimitedTo}}
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<span class="meta-item">(of which only <b>{{.ItemsLimitedTo}}</b> are displayed)</span>
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{{- end}}
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</div>
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</div>
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<div class="listing">
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<table aria-describedby="summary">
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<thead>
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<tr>
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<th>
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{{- if and (eq .Sort "name") (ne .Order "desc")}}
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<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>
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{{- else if and (eq .Sort "name") (ne .Order "asc")}}
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<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>
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{{- else}}
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name</a>
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{{- end}}
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</th>
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<th>
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{{- if and (eq .Sort "size") (ne .Order "desc")}}
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<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>
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{{- else if and (eq .Sort "size") (ne .Order "asc")}}
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<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>
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{{- else}}
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size</a>
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{{- end}}
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</th>
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<th class="hideable">
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{{- if and (eq .Sort "time") (ne .Order "desc")}}
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<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>
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{{- else if and (eq .Sort "time") (ne .Order "asc")}}
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<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>
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{{- else}}
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified</a>
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{{- end}}
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</th>
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</tr>
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</thead>
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<tbody>
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{{- if .CanGoUp}}
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<tr>
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<td>
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<a href="..">
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<span class="goup">Go up</span>
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</a>
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</td>
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<td>—</td>
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<td class="hideable">—</td>
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</tr>
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{{- end}}
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{{- range .Items}}
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<tr>
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<td>
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<a href="{{.URL}}">
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{{- if .IsDir}}
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<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 35.678803 28.527945"><use xlink:href="#folder"></use></svg>
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{{- else}}
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<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 26.604381 29.144726"><use xlink:href="#file"></use></svg>
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{{- end}}
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<span class="name">{{.Name}}</span>
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</a>
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</td>
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{{- if .IsDir}}
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<td data-order="-1">—</td>
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{{- else}}
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<td data-order="{{.Size}}">{{.HumanSize}}</td>
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{{- end}}
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<td class="hideable"><time datetime="{{.HumanModTime "2006-01-02T15:04:05Z"}}">{{.HumanModTime "01/02/2006 03:04:05 PM -07:00"}}</time></td>
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</tr>
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{{- end}}
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</tbody>
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</table>
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</div>
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</main>
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<footer>
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Served with <a rel="noopener noreferrer" href="https://caddyserver.com">Caddy</a>.
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</footer>
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<script type="text/javascript">
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function localizeDatetime(e, index, ar) {
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if (e.textContent === undefined) {
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return;
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}
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var d = new Date(e.getAttribute('datetime'));
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if (isNaN(d)) {
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d = new Date(e.textContent);
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if (isNaN(d)) {
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return;
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}
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}
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e.textContent = d.toLocaleString();
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}
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var timeList = Array.prototype.slice.call(document.getElementsByTagName("time"));
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timeList.forEach(localizeDatetime);
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</script>
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</body>
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</html>
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342
filemanager.go
342
filemanager.go
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@ -1,16 +1,354 @@
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//go:generate go get github.com/jteeuwen/go-bindata
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//go:generate go install github.com/jteeuwen/go-bindata/go-bindata
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//go:generate go-bindata -pkg assets -o assets/assets.go assets/source/...
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// Package filemanager provides middleware for managing files in a directory
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// when directory path is requested instead of a specific file. Based on browse
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// middleware.
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package filemanager
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import (
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"bytes"
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"encoding/json"
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"mime"
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"net/http"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strings"
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"text/template"
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"time"
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"github.com/dustin/go-humanize"
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"github.com/hacdias/caddy-filemanager/assets"
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"github.com/mholt/caddy/caddyhttp/httpserver"
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"github.com/mholt/caddy/caddyhttp/staticfiles"
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)
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// FileManager is an http.Handler that can show a file listing when
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// directories in the given paths are specified.
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type FileManager struct {
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Next httpserver.Handler
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Next httpserver.Handler
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Configs []Config
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IgnoreIndexes bool
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}
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// Config is a configuration for browsing in a particular path.
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type Config struct {
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PathScope string
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Root http.FileSystem
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Variables interface{}
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Template *template.Template
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}
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// A Listing is the context used to fill out a template.
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type Listing struct {
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// The name of the directory (the last element of the path)
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Name string
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// The full path of the request
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Path string
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// Whether the parent directory is browsable
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CanGoUp bool
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// The items (files and folders) in the path
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Items []FileInfo
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// The number of directories in the listing
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NumDirs int
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// The number of files (items that aren't directories) in the listing
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NumFiles int
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// Which sorting order is used
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Sort string
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// And which order
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Order string
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// If ≠0 then Items have been limited to that many elements
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ItemsLimitedTo int
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// Optional custom variables for use in browse templates
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User interface{}
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httpserver.Context
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}
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// BreadcrumbMap returns l.Path where every element is a map
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// of URLs and path segment names.
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func (l Listing) BreadcrumbMap() map[string]string {
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result := map[string]string{}
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if len(l.Path) == 0 {
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return result
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}
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// skip trailing slash
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lpath := l.Path
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if lpath[len(lpath)-1] == '/' {
|
||||
lpath = lpath[:len(lpath)-1]
|
||||
}
|
||||
|
||||
parts := strings.Split(lpath, "/")
|
||||
for i, part := range parts {
|
||||
if i == 0 && part == "" {
|
||||
// Leading slash (root)
|
||||
result["/"] = "/"
|
||||
continue
|
||||
}
|
||||
result[strings.Join(parts[:i+1], "/")] = part
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// FileInfo is the info about a particular file or directory
|
||||
type FileInfo struct {
|
||||
IsDir bool
|
||||
Name string
|
||||
Size int64
|
||||
URL string
|
||||
ModTime time.Time
|
||||
Mode os.FileMode
|
||||
}
|
||||
|
||||
// HumanSize returns the size of the file as a human-readable string
|
||||
// in IEC format (i.e. power of 2 or base 1024).
|
||||
func (fi FileInfo) HumanSize() string {
|
||||
return humanize.IBytes(uint64(fi.Size))
|
||||
}
|
||||
|
||||
// HumanModTime returns the modified time of the file as a human-readable string.
|
||||
func (fi FileInfo) HumanModTime(format string) string {
|
||||
return fi.ModTime.Format(format)
|
||||
}
|
||||
|
||||
func directoryListing(files []os.FileInfo, canGoUp bool, urlPath string) (Listing, bool) {
|
||||
var (
|
||||
fileinfos []FileInfo
|
||||
dirCount, fileCount int
|
||||
hasIndexFile bool
|
||||
)
|
||||
|
||||
for _, f := range files {
|
||||
name := f.Name()
|
||||
|
||||
for _, indexName := range staticfiles.IndexPages {
|
||||
if name == indexName {
|
||||
hasIndexFile = true
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if f.IsDir() {
|
||||
name += "/"
|
||||
dirCount++
|
||||
} else {
|
||||
fileCount++
|
||||
}
|
||||
|
||||
url := url.URL{Path: "./" + name} // prepend with "./" to fix paths with ':' in the name
|
||||
|
||||
fileinfos = append(fileinfos, FileInfo{
|
||||
IsDir: f.IsDir(),
|
||||
Name: f.Name(),
|
||||
Size: f.Size(),
|
||||
URL: url.String(),
|
||||
ModTime: f.ModTime().UTC(),
|
||||
Mode: f.Mode(),
|
||||
})
|
||||
}
|
||||
|
||||
return Listing{
|
||||
Name: path.Base(urlPath),
|
||||
Path: urlPath,
|
||||
CanGoUp: canGoUp,
|
||||
Items: fileinfos,
|
||||
NumDirs: dirCount,
|
||||
NumFiles: fileCount,
|
||||
}, hasIndexFile
|
||||
}
|
||||
|
||||
// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
|
||||
// If so, control is handed over to ServeListing.
|
||||
func (f FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
|
||||
|
||||
var bc *Config
|
||||
// See if there's a browse configuration to match the path
|
||||
for i := range f.Configs {
|
||||
if httpserver.Path(r.URL.Path).Matches(f.Configs[i].PathScope) {
|
||||
bc = &f.Configs[i]
|
||||
goto inScope
|
||||
}
|
||||
}
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
inScope:
|
||||
|
||||
// Browse works on existing directories; delegate everything else
|
||||
requestedFilepath, err := bc.Root.Open(r.URL.Path)
|
||||
if err != nil {
|
||||
switch {
|
||||
case os.IsPermission(err):
|
||||
return http.StatusForbidden, err
|
||||
case os.IsExist(err):
|
||||
return http.StatusNotFound, err
|
||||
default:
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
}
|
||||
}
|
||||
defer requestedFilepath.Close()
|
||||
|
||||
info, err := requestedFilepath.Stat()
|
||||
if err != nil {
|
||||
switch {
|
||||
case os.IsPermission(err):
|
||||
return http.StatusForbidden, err
|
||||
case os.IsExist(err):
|
||||
return http.StatusGone, err
|
||||
default:
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
}
|
||||
}
|
||||
if !info.IsDir() {
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
// Do not reply to anything else because it might be nonsensical
|
||||
switch r.Method {
|
||||
case http.MethodGet, http.MethodHead:
|
||||
// proceed, noop
|
||||
case "PROPFIND", http.MethodOptions:
|
||||
return http.StatusNotImplemented, nil
|
||||
default:
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
// Browsing navigation gets messed up if browsing a directory
|
||||
// that doesn't end in "/" (which it should, anyway)
|
||||
if !strings.HasSuffix(r.URL.Path, "/") {
|
||||
http.Redirect(w, r, r.URL.Path+"/", http.StatusTemporaryRedirect)
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
return f.ServeListing(w, r, requestedFilepath, bc)
|
||||
}
|
||||
|
||||
func (f FileManager) loadDirectoryContents(requestedFilepath http.File, urlPath string) (*Listing, bool, error) {
|
||||
files, err := requestedFilepath.Readdir(-1)
|
||||
if err != nil {
|
||||
return nil, false, err
|
||||
}
|
||||
|
||||
// Determine if user can browse up another folder
|
||||
var canGoUp bool
|
||||
curPathDir := path.Dir(strings.TrimSuffix(urlPath, "/"))
|
||||
for _, other := range f.Configs {
|
||||
if strings.HasPrefix(curPathDir, other.PathScope) {
|
||||
canGoUp = true
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
// Assemble listing of directory contents
|
||||
listing, hasIndex := directoryListing(files, canGoUp, urlPath)
|
||||
|
||||
return &listing, hasIndex, nil
|
||||
}
|
||||
|
||||
// ServeListing returns a formatted view of 'requestedFilepath' contents'.
|
||||
func (f FileManager) ServeListing(w http.ResponseWriter, r *http.Request, requestedFilepath http.File, bc *Config) (int, error) {
|
||||
listing, containsIndex, err := f.loadDirectoryContents(requestedFilepath, r.URL.Path)
|
||||
if err != nil {
|
||||
switch {
|
||||
case os.IsPermission(err):
|
||||
return http.StatusForbidden, err
|
||||
case os.IsExist(err):
|
||||
return http.StatusGone, err
|
||||
default:
|
||||
return http.StatusInternalServerError, err
|
||||
}
|
||||
}
|
||||
if containsIndex && !f.IgnoreIndexes { // directory isn't browsable
|
||||
return f.Next.ServeHTTP(w, r)
|
||||
}
|
||||
listing.Context = httpserver.Context{
|
||||
Root: bc.Root,
|
||||
Req: r,
|
||||
URL: r.URL,
|
||||
}
|
||||
listing.User = bc.Variables
|
||||
|
||||
// Copy the query values into the Listing struct
|
||||
var limit int
|
||||
listing.Sort, listing.Order, limit, err = f.handleSortOrder(w, r, bc.PathScope)
|
||||
if err != nil {
|
||||
return http.StatusBadRequest, err
|
||||
}
|
||||
|
||||
listing.applySort()
|
||||
|
||||
if limit > 0 && limit <= len(listing.Items) {
|
||||
listing.Items = listing.Items[:limit]
|
||||
listing.ItemsLimitedTo = limit
|
||||
}
|
||||
|
||||
var buf *bytes.Buffer
|
||||
acceptHeader := strings.ToLower(strings.Join(r.Header["Accept"], ","))
|
||||
switch {
|
||||
case strings.Contains(acceptHeader, "application/json"):
|
||||
if buf, err = f.formatAsJSON(listing, bc); err != nil {
|
||||
return http.StatusInternalServerError, err
|
||||
}
|
||||
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
|
||||
default: // There's no 'application/json' in the 'Accept' header; browse normally
|
||||
if buf, err = f.formatAsHTML(listing, bc); err != nil {
|
||||
return http.StatusInternalServerError, err
|
||||
}
|
||||
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
||||
|
||||
}
|
||||
|
||||
buf.WriteTo(w)
|
||||
|
||||
return http.StatusOK, nil
|
||||
}
|
||||
|
||||
// serveAssets handles the /{admin}/assets requests
|
||||
func serveAssets(w http.ResponseWriter, r *http.Request) (int, error) {
|
||||
filename := strings.Replace(r.URL.Path, assetsURL, "", 1)
|
||||
file, err := assets.Asset(filename)
|
||||
|
||||
if err != nil {
|
||||
return 404, nil
|
||||
}
|
||||
|
||||
// Get the file extension ant its mime type
|
||||
extension := filepath.Ext(filename)
|
||||
mime := mime.TypeByExtension(extension)
|
||||
|
||||
// Write the header with the Content-Type and write the file
|
||||
// content to the buffer
|
||||
w.Header().Set("Content-Type", mime)
|
||||
w.Write(file)
|
||||
return 200, nil
|
||||
}
|
||||
|
||||
func (f FileManager) formatAsJSON(listing *Listing, bc *Config) (*bytes.Buffer, error) {
|
||||
marsh, err := json.Marshal(listing.Items)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
buf := new(bytes.Buffer)
|
||||
_, err = buf.Write(marsh)
|
||||
return buf, err
|
||||
}
|
||||
|
||||
func (f FileManager) formatAsHTML(listing *Listing, bc *Config) (*bytes.Buffer, error) {
|
||||
buf := new(bytes.Buffer)
|
||||
err := bc.Template.Execute(buf, listing)
|
||||
return buf, err
|
||||
}
|
||||
|
|
|
|||
98
setup.go
98
setup.go
|
|
@ -1,10 +1,18 @@
|
|||
package filemanager
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"text/template"
|
||||
|
||||
"github.com/hacdias/caddy-filemanager/assets"
|
||||
"github.com/mholt/caddy"
|
||||
"github.com/mholt/caddy/caddyhttp/httpserver"
|
||||
)
|
||||
|
||||
const assetsURL = "/_filemanager_internal/"
|
||||
|
||||
func init() {
|
||||
caddy.RegisterPlugin("filemanager", caddy.Plugin{
|
||||
ServerType: "http",
|
||||
|
|
@ -12,18 +20,92 @@ func init() {
|
|||
})
|
||||
}
|
||||
|
||||
// setup configures the middlware.
|
||||
// setup configures a new Browse middleware instance.
|
||||
func setup(c *caddy.Controller) error {
|
||||
cnf := httpserver.GetConfig(c.Key)
|
||||
configs, err := fileManagerParse(c)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// parse config
|
||||
f := FileManager{
|
||||
Configs: configs,
|
||||
IgnoreIndexes: false,
|
||||
}
|
||||
|
||||
mid := func(next httpserver.Handler) httpserver.Handler {
|
||||
return FileManager{
|
||||
Next: next,
|
||||
httpserver.GetConfig(c.Key).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
|
||||
f.Next = next
|
||||
return f
|
||||
})
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func fileManagerParse(c *caddy.Controller) ([]Config, error) {
|
||||
var configs []Config
|
||||
|
||||
cfg := httpserver.GetConfig(c.Key)
|
||||
|
||||
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.Root = http.Dir(cfg.Root)
|
||||
theRoot, err := bc.Root.Open("/") // catch a missing path early
|
||||
if err != nil {
|
||||
return configs, err
|
||||
}
|
||||
defer theRoot.Close()
|
||||
_, err = theRoot.Readdir(-1)
|
||||
if err != nil {
|
||||
return configs, err
|
||||
}
|
||||
|
||||
var tplBytes []byte
|
||||
|
||||
// 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 {
|
||||
tplBytes, err = assets.Asset(assetsURL + "template.tmpl")
|
||||
if err != nil {
|
||||
return configs, err
|
||||
}
|
||||
tplText = string(tplBytes)
|
||||
}
|
||||
|
||||
// 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
|
||||
}
|
||||
}
|
||||
|
||||
cnf.AddMiddleware(mid)
|
||||
return nil
|
||||
return configs, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,112 @@
|
|||
package filemanager
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"sort"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// handleSortOrder gets and stores for a Listing the 'sort' and 'order',
|
||||
// and reads 'limit' if given. The latter is 0 if not given.
|
||||
//
|
||||
// This sets Cookies.
|
||||
func (f FileManager) handleSortOrder(w http.ResponseWriter, r *http.Request, scope string) (sort string, order string, limit int, err error) {
|
||||
sort, order, limitQuery := r.URL.Query().Get("sort"), r.URL.Query().Get("order"), r.URL.Query().Get("limit")
|
||||
|
||||
// If the query 'sort' or 'order' is empty, use defaults or any values previously saved in Cookies
|
||||
switch sort {
|
||||
case "":
|
||||
sort = "name"
|
||||
if sortCookie, sortErr := r.Cookie("sort"); sortErr == nil {
|
||||
sort = sortCookie.Value
|
||||
}
|
||||
case "name", "size", "type":
|
||||
http.SetCookie(w, &http.Cookie{Name: "sort", Value: sort, Path: scope, Secure: r.TLS != nil})
|
||||
}
|
||||
|
||||
switch order {
|
||||
case "":
|
||||
order = "asc"
|
||||
if orderCookie, orderErr := r.Cookie("order"); orderErr == nil {
|
||||
order = orderCookie.Value
|
||||
}
|
||||
case "asc", "desc":
|
||||
http.SetCookie(w, &http.Cookie{Name: "order", Value: order, Path: scope, Secure: r.TLS != nil})
|
||||
}
|
||||
|
||||
if limitQuery != "" {
|
||||
limit, err = strconv.Atoi(limitQuery)
|
||||
if err != nil { // if the 'limit' query can't be interpreted as a number, return err
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Implement sorting for Listing
|
||||
type byName Listing
|
||||
type bySize Listing
|
||||
type byTime Listing
|
||||
|
||||
// By Name
|
||||
func (l byName) Len() int { return len(l.Items) }
|
||||
func (l byName) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
|
||||
|
||||
// Treat upper and lower case equally
|
||||
func (l byName) Less(i, j int) bool {
|
||||
return strings.ToLower(l.Items[i].Name) < strings.ToLower(l.Items[j].Name)
|
||||
}
|
||||
|
||||
// By Size
|
||||
func (l bySize) Len() int { return len(l.Items) }
|
||||
func (l bySize) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
|
||||
|
||||
const directoryOffset = -1 << 31 // = math.MinInt32
|
||||
func (l bySize) Less(i, j int) bool {
|
||||
iSize, jSize := l.Items[i].Size, l.Items[j].Size
|
||||
if l.Items[i].IsDir {
|
||||
iSize = directoryOffset + iSize
|
||||
}
|
||||
if l.Items[j].IsDir {
|
||||
jSize = directoryOffset + jSize
|
||||
}
|
||||
return iSize < jSize
|
||||
}
|
||||
|
||||
// By Time
|
||||
func (l byTime) Len() int { return len(l.Items) }
|
||||
func (l byTime) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
|
||||
func (l byTime) Less(i, j int) bool { return l.Items[i].ModTime.Before(l.Items[j].ModTime) }
|
||||
|
||||
// Add sorting method to "Listing"
|
||||
// it will apply what's in ".Sort" and ".Order"
|
||||
func (l Listing) applySort() {
|
||||
// Check '.Order' to know how to sort
|
||||
if l.Order == "desc" {
|
||||
switch l.Sort {
|
||||
case "name":
|
||||
sort.Sort(sort.Reverse(byName(l)))
|
||||
case "size":
|
||||
sort.Sort(sort.Reverse(bySize(l)))
|
||||
case "time":
|
||||
sort.Sort(sort.Reverse(byTime(l)))
|
||||
default:
|
||||
// If not one of the above, do nothing
|
||||
return
|
||||
}
|
||||
} else { // If we had more Orderings we could add them here
|
||||
switch l.Sort {
|
||||
case "name":
|
||||
sort.Sort(byName(l))
|
||||
case "size":
|
||||
sort.Sort(bySize(l))
|
||||
case "time":
|
||||
sort.Sort(byTime(l))
|
||||
default:
|
||||
// If not one of the above, do nothing
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue