mirror of
https://github.com/icecoder/ICEcoder.git
synced 2026-03-22 00:07:08 +01:00
Terminal removed, now a plugin
It's not a core part of a code editor, so moved back to being a plugin again
This commit is contained in:
Matt Pass
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<?php
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include("../lib/settings.php");
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if ($demoMode || !$_SESSION['loggedIn']) {
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die("You must be logged in to access Terminal");
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}
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@session_start();
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$passwd = array();
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if (isset($_SERVER['PHP_AUTH_USER'])) {
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$_SESSION['user'] = $_SERVER['PHP_AUTH_USER'];
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$_SESSION['pass'] = generateHash(strClean($_SERVER['PHP_AUTH_PW']),$ICEcoder["password"]);
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$passwd = array($_SESSION['user'] => $ICEcoder["password"]);
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}
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$aliases = array('la' => 'ls -la',
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'll' => 'ls -lvhF',
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'dir' => 'ls' );
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class phpTerm {
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function phpTerm() {} // constructor
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function formatPrompt() {
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$user=shell_exec("whoami");
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$host=explode(".", shell_exec("uname -n"));
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$_SESSION['prompt'] = rtrim($user)."@".rtrim($host[0]);
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}
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function checkPassword($passwd) {
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if( !isset($_SERVER['PHP_AUTH_USER'])||
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!isset($_SERVER['PHP_AUTH_PW']) ||
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!isset($passwd[$_SERVER['PHP_AUTH_USER']]) ||
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$passwd[$_SERVER['PHP_AUTH_USER']] != $_SESSION['pass']) {
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return false;
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} else {
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return true;
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}
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}
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function logout() {
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header('WWW-Authenticate: Basic realm="Terminal"');
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header('HTTP/1.0 401 Unauthorized');
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exit();
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}
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function initVars() {
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if (empty($_SESSION['cwd']) || @!empty($_GET['reset'])) {
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$_SESSION['cwd'] = getcwd();
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$_SESSION['history'] = array();
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$_SESSION['output'] = '';
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$_REQUEST['command'] ='';
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}
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}
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function buildCommandHistory() {
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if(!empty($_REQUEST['command'])) {
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if(get_magic_quotes_gpc()) {
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$_REQUEST['command'] = stripslashes($_REQUEST['command']);
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}
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// drop old commands from list if exists
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if (($i = array_search($_REQUEST['command'], $_SESSION['history'])) !== false) {
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unset($_SESSION['history'][$i]);
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}
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array_unshift($_SESSION['history'], $_REQUEST['command']);
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// append commmand */
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$_SESSION['output'] .= "{$_SESSION['prompt']}".":>"."{$_REQUEST['command']}"."\n";
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}
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}
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function buildJavaHistory() {
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// build command history for use in the JavaScript
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if (empty($_SESSION['history'])) {
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$_SESSION['js_command_hist'] = '""';
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} else {
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$escaped = array_map('addslashes', $_SESSION['history']);
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$_SESSION['js_command_hist'] = '"", "'.implode('", "', $escaped).'"';
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}
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}
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function outputHandle($aliases) {
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if (preg_match('/^[[:blank:]]*cd[[:blank:]]*$/', @$_REQUEST['command'])) {
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$_SESSION['cwd'] = getcwd(); //dirname(__FILE__);
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}
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elseif(preg_match('/^[[:blank:]]*cd[[:blank:]]+([^;]+)$/', @$_REQUEST['command'], $regs)) {
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// The current command is 'cd', which we have to handle as an internal shell command.
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// absolute/relative path ?"
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($regs[1][0] == '/') ? $new_dir = $regs[1] : $new_dir = $_SESSION['cwd'].'/'.$regs[1];
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// cosmetics
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while (strpos($new_dir, '/./') !== false) {
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$new_dir = str_replace('/./', '/', $new_dir);
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}
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while (strpos($new_dir, '//') !== false) {
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$new_dir = str_replace('//', '/', $new_dir);
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}
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while (preg_match('|/\.\.(?!\.)|', $new_dir)) {
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$new_dir = preg_replace('|/?[^/]+/\.\.(?!\.)|', '', $new_dir);
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}
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if(empty($new_dir)): $new_dir = "/"; endif;
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(@chdir($new_dir)) ? $_SESSION['cwd'] = $new_dir : $_SESSION['output'] .= "could not change to: $new_dir\n";
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} else {
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/* The command is not a 'cd' command, so we execute it after
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changing the directory and save the output. */
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chdir($_SESSION['cwd']);
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/* Alias expansion. */
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$length = strcspn(@$_REQUEST['command'], " \t");
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$token = substr(@$_REQUEST['command'], 0, $length);
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if (isset($aliases[$token]))
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$_REQUEST['command'] = $aliases[$token] . substr($_REQUEST['command'], $length);
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$p = proc_open(@$_REQUEST['command'],
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array(1 => array('pipe', 'w'),
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2 => array('pipe', 'w')), $io);
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/* Read output sent to stdout. */
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while (!feof($io[1])) {
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$_SESSION['output'] .= htmlspecialchars(fgets($io[1]),ENT_COMPAT, 'UTF-8');
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}
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/* Read output sent to stderr. */
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while (!feof($io[2])) {
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$_SESSION['output'] .= htmlspecialchars(fgets($io[2]),ENT_COMPAT, 'UTF-8');
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}
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fclose($io[1]);
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fclose($io[2]);
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proc_close($p);
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}
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}
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}
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$terminal = new phpTerm;
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if (isset($_REQUEST['command']) && $_REQUEST['command']=="logout") {
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$terminal->logout();
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}
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if(!$terminal->checkPassword($passwd)) {
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header('WWW-Authenticate: Basic realm="Terminal"');
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header('HTTP/1.0 401 Unauthorized');
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} else {
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$terminal->initVars();
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$terminal->buildCommandHistory();
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$terminal->buildJavaHistory();
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if(!isset($_SESSION['prompt'])):$terminal->formatPrompt(); endif;
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$terminal->outputHandle($aliases);
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>PHP Terminal</title>
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<link rel="stylesheet" type="text/css" href="terminal.css" />
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<script type="text/javascript" language="JavaScript">
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var current_line = 0;
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var command_hist = new Array(<?php echo $_SESSION['js_command_hist']; ?>);
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var last = 0;
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function key(e) {
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if (!e) var e = window.event;
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if (e.keyCode == 38 && current_line < command_hist.length-1) {
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command_hist[current_line] = document.shell.command.value;
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current_line++;
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document.shell.command.value = command_hist[current_line];
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}
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if (e.keyCode == 40 && current_line > 0) {
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command_hist[current_line] = document.shell.command.value;
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current_line--;
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document.shell.command.value = command_hist[current_line];
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}
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}
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function init() {
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document.shell.setAttribute("autocomplete", "off");
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document.shell.output.scrollTop = document.shell.output.scrollHeight;
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document.shell.command.focus();
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}
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</script>
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</head>
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<body onload="init()">
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<div class="head"><?php echo $_SESSION['prompt'].":"."$_SESSION[cwd]"; ?></div>
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<form name="shell" action="<?php echo $_SERVER['PHP_SELF'];?>" method="post">
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<textarea name="output" readonly="readonly" rows="24"><?php
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$lines = substr_count($_SESSION['output'], "\n");
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$padding = str_repeat("\n", max(0, 25 - $lines));
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echo "\n\n".trim($padding . $_SESSION['output'])."\n";
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?>
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</textarea>
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<p class="commandLine">$> <input class="command" name="command" type="text" size='50' onkeyup="key(event)" tabindex="1"></p>
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</form>
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</body>
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</html>
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<?php } ?>
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@@ -1,28 +0,0 @@
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/* First, reset everything to a standard */
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html, body, div, span, applet, object, iframe,
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h1, h2, h3, h4, h5, h6, p, blockquote, pre,
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a, abbr, acronym, address, big, cite, code,
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del, dfn, em, font, img, ins, kbd, q, s, samp,
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small, strike, strong, sub, sup, tt, var,
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b, u, i, center,
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dl, dt, dd, ol, ul, li,
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fieldset, form, input, label, legend,
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table, caption, tbody, tfoot, thead, tr, th, td {
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font-family: verdana, arial, monospace, sans-serif;
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border: 0;
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margin: 0;
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padding: 0;
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outline: 0;
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font-size: 12px;
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vertical-align: top;
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}
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html, body {width: 100%; height: 100%; background: #000}
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.head {position: fixed; top: 0; padding: 2px; background: rgba(124,124,124,0.8); color: #fff; font-weight: bold; z-index: 1}
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textarea {position: absolute; display: block; top: 0; padding: 0; width: 100%; height: 100%; min-height: 100%; border: 0; background: #000; color: #0c0}
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textarea:focus {outline: none}
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p {color: #0c0}
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.commandLine {position: fixed; width: 100%; bottom: 0; padding: 2px; background: rgba(32,32,32,0.9); z-index: 1}
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.command {width: 95%; font-family: verdana, arial, monospace, sans-serif; border: none; background: transparent; color: #0c0}
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.command:focus {outline: none}
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