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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@ -0,0 +1,175 @@
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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
|
||||||
|
//go:generate go install github.com/jteeuwen/go-bindata/go-bindata
|
||||||
|
//go:generate go-bindata -pkg assets -o assets/assets.go assets/source/...
|
||||||
|
|
||||||
|
// Package filemanager provides middleware for managing files in a directory
|
||||||
|
// when directory path is requested instead of a specific file. Based on browse
|
||||||
|
// middleware.
|
||||||
package filemanager
|
package filemanager
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"bytes"
|
||||||
|
"encoding/json"
|
||||||
|
"mime"
|
||||||
"net/http"
|
"net/http"
|
||||||
|
"net/url"
|
||||||
|
"os"
|
||||||
|
"path"
|
||||||
|
"path/filepath"
|
||||||
|
"strings"
|
||||||
|
"text/template"
|
||||||
|
"time"
|
||||||
|
|
||||||
|
"github.com/dustin/go-humanize"
|
||||||
|
"github.com/hacdias/caddy-filemanager/assets"
|
||||||
"github.com/mholt/caddy/caddyhttp/httpserver"
|
"github.com/mholt/caddy/caddyhttp/httpserver"
|
||||||
|
"github.com/mholt/caddy/caddyhttp/staticfiles"
|
||||||
)
|
)
|
||||||
|
|
||||||
|
// FileManager is an http.Handler that can show a file listing when
|
||||||
|
// directories in the given paths are specified.
|
||||||
type FileManager struct {
|
type FileManager struct {
|
||||||
Next httpserver.Handler
|
Next httpserver.Handler
|
||||||
|
Configs []Config
|
||||||
|
IgnoreIndexes bool
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Config is a configuration for browsing in a particular path.
|
||||||
|
type Config struct {
|
||||||
|
PathScope string
|
||||||
|
Root http.FileSystem
|
||||||
|
Variables interface{}
|
||||||
|
Template *template.Template
|
||||||
|
}
|
||||||
|
|
||||||
|
// A Listing is the context used to fill out a template.
|
||||||
|
type Listing struct {
|
||||||
|
// The name of the directory (the last element of the path)
|
||||||
|
Name string
|
||||||
|
|
||||||
|
// The full path of the request
|
||||||
|
Path string
|
||||||
|
|
||||||
|
// Whether the parent directory is browsable
|
||||||
|
CanGoUp bool
|
||||||
|
|
||||||
|
// The items (files and folders) in the path
|
||||||
|
Items []FileInfo
|
||||||
|
|
||||||
|
// The number of directories in the listing
|
||||||
|
NumDirs int
|
||||||
|
|
||||||
|
// The number of files (items that aren't directories) in the listing
|
||||||
|
NumFiles int
|
||||||
|
|
||||||
|
// Which sorting order is used
|
||||||
|
Sort string
|
||||||
|
|
||||||
|
// And which order
|
||||||
|
Order string
|
||||||
|
|
||||||
|
// If ≠0 then Items have been limited to that many elements
|
||||||
|
ItemsLimitedTo int
|
||||||
|
|
||||||
|
// Optional custom variables for use in browse templates
|
||||||
|
User interface{}
|
||||||
|
|
||||||
|
httpserver.Context
|
||||||
|
}
|
||||||
|
|
||||||
|
// BreadcrumbMap returns l.Path where every element is a map
|
||||||
|
// of URLs and path segment names.
|
||||||
|
func (l Listing) BreadcrumbMap() map[string]string {
|
||||||
|
result := map[string]string{}
|
||||||
|
|
||||||
|
if len(l.Path) == 0 {
|
||||||
|
return result
|
||||||
|
}
|
||||||
|
|
||||||
|
// skip trailing slash
|
||||||
|
lpath := l.Path
|
||||||
|
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) {
|
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)
|
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
|
package filemanager
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"fmt"
|
||||||
|
"io/ioutil"
|
||||||
|
"net/http"
|
||||||
|
"text/template"
|
||||||
|
|
||||||
|
"github.com/hacdias/caddy-filemanager/assets"
|
||||||
"github.com/mholt/caddy"
|
"github.com/mholt/caddy"
|
||||||
"github.com/mholt/caddy/caddyhttp/httpserver"
|
"github.com/mholt/caddy/caddyhttp/httpserver"
|
||||||
)
|
)
|
||||||
|
|
||||||
|
const assetsURL = "/_filemanager_internal/"
|
||||||
|
|
||||||
func init() {
|
func init() {
|
||||||
caddy.RegisterPlugin("filemanager", caddy.Plugin{
|
caddy.RegisterPlugin("filemanager", caddy.Plugin{
|
||||||
ServerType: "http",
|
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 {
|
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 {
|
httpserver.GetConfig(c.Key).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
|
||||||
return FileManager{
|
f.Next = next
|
||||||
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 configs, nil
|
||||||
return 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