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<?php
date_default_timezone_set('Europe/London');
require_once('../vendor/bcrypt.php');
require_once('../vendor/mustache.php');
include('config.php'); // contains DB & important versioning
include('blacklist.php'); // rules to *try* to prevent abuse of jsbin
$embed = false;
$host = 'http://' . $_SERVER['HTTP_HOST'];
// allows for custom hosting of jsbin - special feature for teachers
$cname = '';
$custom = array();
// a global - sorry folks / @ac94!
$last_updated = '';
preg_match('/^([a-z0-9\-]+)\.' . HOST . '$/', $_SERVER['HTTP_HOST'], $match);
if (count($match) == 2) {
$cname = $match[1];
}
$custom = array();
if ($cname && $cname !== 'www') { // unlikely on the www
// we have a custom build of jsbin - let's load their customisations
if (file_exists('custom/' . $cname . '/config.json')) {
$custom = json_decode(file_get_contents('custom/' . $cname . '/config.json'), true);
$custom['__dirname'] = 'custom/' . $cname . '/';
}
}
$pos = strpos($_SERVER['REQUEST_URI'], PATH);
if ($pos !== false) $pos = strlen(PATH);
$request_uri = substr($_SERVER['REQUEST_URI'], $pos);
$session = isset($_COOKIE['session']) ? $_COOKIE['session'] : null;
if ($session) {
$hash = substr($session, 0, 40);
$json = substr($session, 40);
if ($hash = session_hash($json)) {
$session = json_decode($json, true);
} else {
$session = array();
}
}
$home = isset($session['user']) ? $session['user']['name'] : '';
$email = isset($session['user']) ? $session['user']['email'] : '';
$csrf = isset($_COOKIE['_csrf']) ? $_COOKIE['_csrf'] : md5(rand());
if (!in_array($_SERVER['REQUEST_METHOD'], array('GET', 'HEAD'))) {
if (!(
(isset($_GET['_csrf']) && $_GET['_csrf'] === $csrf) ||
(isset($_POST['_csrf']) && $_POST['_csrf'] === $csrf) ||
(isset($_SERVER['HTTP_X_CSRF_TOKEN']) && $_SERVER['HTTP_X_CSRF_TOKEN'] === $csrf)
)) {
header("HTTP/1.1 403 Access Forbidden");
header("Content-Type: text/plain");
echo 'Request failed CSRF check';
exit;
}
}
setcookie('_csrf', $csrf, 0, PATH);
// if ($request_uri == '' && $home && stripos($_SERVER['HTTP_HOST'], $home . '/') !== 0) {
// header('Location: ' . HOST . $home . '/');
// exit;
// }
$request = explode('/', preg_replace('/^\//', '', preg_replace('/\/$/', '', preg_replace('/\?.*$/', '', $request_uri ))));
$action = array_pop($request);
if (stripos($action, '.') !== false) {
$parts = explode('\.', $action);
array_push($request, $parts[0]);
$action = $parts[1];
}
// remove the home path section from the request so we can correctly read the next action
if ($action == $home) {
$action = array_pop($request);
}
// allow us to request .html
if ($action == 'html') {
$action = array_pop($request);
}
$quiet = false;
if ($action == 'quiet') {
$quiet = true;
$action = array_pop($request);
}
// allows the user to save over existing jsbins
$edit_mode = true; // determines whether we should go ahead and load index.php
$code_id = '';
// if it contains the x-requested-with header, or is a CORS request on GET only
$ajax = isset($_SERVER['HTTP_X_REQUESTED_WITH']) || (stripos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false && $_SERVER['REQUEST_METHOD'] == 'GET');
$no_code_found = false;
// respond to preflights
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
// return only the headers and not the content
// only allow CORS if we're doing a GET - i.e. no saving for now.
if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']) && $_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'] == 'GET') {
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Headers: X-Requested-With');
}
exit;
} else if ($ajax) {
header('Access-Control-Allow-Origin: *');
}
// doesn't require a connection when we're landing for the first time
// if ($action) {
connect();
// }
if (!$action) {
// do nothing and serve up the page
} else if ($action == 'logout' && $_SERVER['REQUEST_METHOD'] == 'POST') {
$referrer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null;
$referrer = !$referrer && isset($_SERVER['HTTP_REFERRER']) ? $_SERVER['HTTP_REFERRER'] : HOME;
$redirect = isset($_POST['_redirect']) ? $_POST['_redirect'] : $referrer;
if (!$redirect || stripos($redirect, '://') !== false) {
$redirect = ROOT;
}
header('HTTP/1.1 303 Found');
setcookie('session', null, -1, PATH);
header('Location: ' . $redirect);
exit;
} else if ($action == 'sethome') {
if ($ajax) {
// Logic is in account-logic.md
$bcrypt = new Bcrypt(10);
$key = $_POST['key'];
$name = $_POST['name'];
$email = $_POST['email'];
$saved_email = $email; // this gets overwritten later
// TODO allow email to be used as the lookup key
$sql = sprintf('select * from ownership where name="%s"', mysql_real_escape_string($name));
$result = mysql_query($sql);
$ok = false;
$created = false;
$rows_found = mysql_num_rows($result);
header('content-type: application/json');
// (3) if no rows found, and there's an email AND they're not logged in already!
if ($rows_found == 0 && strlen($email) && !$home) {
// store and okay (note "key" is a reserved word - typical!)
$key = $bcrypt->hash($key);
$sql = sprintf('insert into ownership (`name`, `key`, `email`, `last_login`, `created`, `updated`) values ("%s", "%s", "%s", NOW(), NOW(), NOW())', mysql_real_escape_string($name), mysql_real_escape_string($key), mysql_real_escape_string($email));
$result = mysql_query($sql);
// (4) created account
if ($result) {
$ok = true;
$created = true;
// echo json_encode(array('ok' => true, 'created' => true));
} else {
echo json_encode(array('ok' => false, 'message' => 'Something went wrong when I tried to create your account :-\\', 'error' => mysql_error(), 'step' => '3'));
}
// (1) ERROR - user name doesn't exist
} else if (!$email && !$home && !$rows_found) {
// log in attempt when username wasn't found
echo json_encode(array('ok' => false, 'message' => "No dice I'm afraid, those details didn't work.", 'step' => '1'));
// (2) user was found with that name
} else if ($rows_found) {
// check key
$row = mysql_fetch_object($result);
$saved_email = $row->email;
$hashed = $row->key;
$saved_name = $row->name;
$created = date_parse($row->created);
// (2.1) account hasn't been updated to bcrypt
if (!$created || $created['warning_count']) {
// (2.1.1) sha1 matches
if ($hashed === sha1($key)) {
$hashed = $bcrypt->hash($key);
$sql = sprintf('UPDATE ownership SET `key`="%s", `last_login`=NOW(), `created`=NOW(), `updated`=NOW() WHERE `name`="%s"', mysql_real_escape_string($hashed), mysql_real_escape_string($name));
if (!mysql_query($sql)) {
echo json_encode(array('ok' => false, 'error' => mysql_error(), 'step' => '2.1.1'));
exit;
}
}
}
if ($home) {
$ok = true;
if ($email) {
$saved_email = $email;
$sql = sprintf('UPDATE ownership SET `email`="%s" WHERE `name`="%s"', mysql_real_escape_string($email), mysql_real_escape_string($name));
if (!mysql_query($sql)) {
echo json_encode(array('ok' => false, 'error' => mysql_error(), 'step' => '5.1'));
exit;
}
}
if ($key) {
$saved_email = $email;
$sql = sprintf('UPDATE ownership SET `key`="%s" WHERE `name`="%s"', mysql_real_escape_string($bcrypt->hash($key)), mysql_real_escape_string($name));
if (!mysql_query($sql)) {
echo json_encode(array('ok' => false, 'error' => mysql_error(), 'step' => '5.2'));
exit;
}
}
// (2.2) check bcrypt passsowrd matches
} else if ($bcrypt->verify($key, $hashed)) {
// otherwise username & password were okay, update their details (including email addy)
$ok = true;
$sql = sprintf('UPDATE ownership SET `last_login`=NOW() WHERE `name`="%s"', mysql_real_escape_string($name));
// (2.2.1) logged in, also update their email address
if ($email && $home) {
$sql = sprintf('UPDATE ownership SET `email`="%s", `last_login`=NOW() WHERE `name`="%s"', mysql_real_escape_string($email), mysql_real_escape_string($name));
$saved_email = $email;
}
if (!mysql_query($sql)) {
echo json_encode(array('ok' => false, 'error' => mysql_error(), 'step' => '2.2.1'));
exit;
}
} else {
// (2.3) found username, but the password didn't match
if ($email && !$home) {
echo json_encode(array('ok' => false, 'message' => "Too late I'm afraid, that username is taken.", 'step' => '2.3'));
// (2.4) password doesn't match
} else {
echo json_encode(array('ok' => false, 'message' => "No dice I'm afraid, those details didn't work.", 'step' => '2.4'));
}
}
} else {
// (6) trying to change username - we don't support this yet
if ($home && $home != $saved_name && !$rows_found) {
// trying to change their username - not supported yet.
echo json_encode(array('ok' => false, 'message' => "Sorry, changing your username isn't supported just yet. We're on it though!", 'step' => '6'));
} else {
echo json_encode(array('ok' => false, 'message' => "Ooh, this is embarrassing. Something's failed and I'm not quite sure what..."));
}
}
if ($ok) {
setSession($name, $saved_email);
if ($home) {
echo json_encode(array('ok' => true, 'message' => 'Account updated.'));
} else {
echo json_encode(array('ok' => true, 'created' => $created));
}
}
exit;
}
// disabling - not sure this looks right
} else if (FALSE && ($action == 'updatehome' && $_SERVER['REQUEST_METHOD'] == 'POST')) {
$key = isset($_POST['key']) ? trim($_POST['key']) : null;
$email = isset($_POST['email']) ? trim($_POST['email']) : null;
$set = array();
if (!$home) {
exit;
}
if ($email) {
array_push($set, '`email`="' . mysql_real_escape_string($email) . '"');
}
if ($key) {
$bcrypt = new Bcrypt(10);
$hashed = $bcrypt->hash($key);
array_push($set, '`key`="' . mysql_real_escape_string($hashed) . '"');
}
if (!mysql_query(sprintf('UPDATE ownership SET %s WHERE `name`="%s"', implode($set, ', '), mysql_real_escape_string($home)))) {
header("HTTP/1.1 500 Internal Server Error");
echo json_encode(array('ok' => false, 'error' => mysql_error()));
exit;
}
if ($ajax) {
echo json_encode(array('ok' => true, 'error' => false));
} else {
header('Location: ' . PATH);
}
exit;
} else if ($action == 'forgot') {
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$email = isset($_POST['email']) ? trim($_POST['email']) : null;
if (!$email) {
echo json_encode(array('error' => 'Please provide a valid email address'));
exit;
} else {
$sql = 'SELECT * FROM `ownership` WHERE `email`="%s" LIMIT 1';
$sql = sprintf($sql, mysql_real_escape_string($email));
$result = mysql_query($sql);
if (!mysql_num_rows($result)) {
echo json_encode(array('error' => 'Unable to find a user for that email'));
header("HTTP/1.1 404 Not Found");
exit;
}
$user = mysql_fetch_object($result);
$token = md5(rand());
$expires = date('Y-m-d H:i:s', time() + (24 * 60 * 60));
$sql = 'INSERT INTO `forgot_tokens` (`owner_name`, `token`, `expires`, `created`) VALUES ("%s", "%s", "%s", NOW())';
$sql = sprintf($sql, mysql_real_escape_string($user->name), $token, $expires);
if (!mysql_query($sql)) {
header("HTTP/1.1 500 Internal Server Error");
echo json_encode(array('ok' => false, 'error' => mysql_error()));
exit;
}
$view = file_get_contents('../views/reset_email.txt');
$mustache = new Mustache;
$mail_body = $mustache->render($view, array(
'link' => ROOT . '/reset?token=' . $token,
'domain' => $_SERVER['SERVER_NAME']
));
$result = mail($user->email, 'JSBin Password Reset', $mail_body, 'From: JSBin <dave-the-robot@jsbin.com>');
if (!$result) {
header("HTTP/1.1 500 Internal Server Error");
echo json_encode(array('ok' => false, 'error' => 'Unable to send email'));
exit;
}
if ($ajax) {
echo json_encode(array());
} else {
header('Location: ' . PATH);
}
}
} else {
$view = file_get_contents('../views/request.html');
$mustache = new Mustache;
echo $mustache->render($view, array(
'csrf' => $csrf,
'action' => ROOT . '/forgot'
));
}
exit;
} else if ($action == 'reset') {
$token = isset($_GET['token']) ? trim($_GET['token']) : null;
$user = null;
if (!$token) {
header('Location: ' . PATH);
exit;
}
$sql = 'SELECT `ownership`.*, expires FROM `ownership` INNER JOIN `forgot_tokens` ON `name` = `owner_name` WHERE `token` = "%s" AND `forgot_tokens`.`expires` >= NOW()';
$sql = sprintf($sql, mysql_real_escape_string($token));
$result = mysql_query($sql);
if (!mysql_num_rows($result)) {
header('Location: ' . PATH);
exit;
} else {
$user = mysql_fetch_object($result);
}
$sql = 'DELETE FROM `forgot_tokens` WHERE `expires` <= NOW() OR `owner_name`="%s"';
$sql = sprintf($sql, mysql_real_escape_string($user->name));
mysql_query($sql);
if ($user) {
setSession($user->name, $user->email);
$view = file_get_contents('../views/account.html');
$mustache = new Mustache;
echo $mustache->render($view, array(
'email' => $user->email,
'csrf' => $csrf,
'action' => ROOT . '/updatehome'
));
} else {
header('Location: ' . PATH);
}
exit;
} else if ($action == 'list' || $action == 'show') {
showSaved($request[0] ? $request[0] : $home);
// could be listed under a user OR could be listing all the revisions for a particular bin
exit();
} else if ($action == 'source' || $action == 'js' || $action == 'css' || $action == 'json') {
list($code_id, $revision) = getCodeIdParams($request);
$edit_mode = false;
if ($code_id) {
list($latest_revision, $html, $javascript, $css) = getCode($code_id, $revision);
} else {
list($latest_revision, $html, $javascript, $css) = defaultCode();
}
if ($action == 'js') {
header('Content-type: text/javascript');
echo $javascript;
} else if ($action == 'json') {
header('Content-type: application/json');
echo $javascript;
} else if ($action == 'css') {
header('Content-type: text/css');
echo $css;
} else {
header('Content-type: application/json');
$url = ROOT . $code_id . ($revision == 1 ? '' : '/' . $revision);
if (!$ajax) {
echo 'var template = ';
}
// doubles as JSON
echo '{"url":"' . $url . '","html" : ' . encode($html) . ',"css":' . encode($css) . ',"javascript":' . encode($javascript) . '}';
}
} else if ($action == 'edit' || $action == 'embed') {
list($code_id, $revision) = getCodeIdParams($request);
if ($action == 'embed') $embed = true;
if ($revision == 'latest') {
$latest_revision = getMaxRevision($code_id);
header('Location: /' . $code_id . '/' . $latest_revision . '/edit');
$edit_mode = false;
}
} else if ($action == 'save' || $action == 'clone') {
list($code_id, $revision) = getCodeIdParams($request);
$javascript = @$_POST['javascript'];
$html = @$_POST['html'];
$css = @$_POST['css'];
$method = @$_POST['method'];
$stream = isset($_POST['stream']) ? true : false;
$streaming_key = '';
$allowUpdate = false;
// we're using stripos instead of == 'save' because the method *can* be "download,save" to support doing both
if (stripos($method, 'save') !== false) {
if (stripos($method, 'new') !== false) {
$code_id = false;
}
if (!$code_id) {
$code_id = generateCodeId();
$revision = 1;
} else {
$revision = getMaxRevision($code_id);
$revision++;
}
$rewriteKey = md5(strval($code_id) . strval($revision) . strval(mt_rand()));
$sql = sprintf('insert into sandbox (javascript, css, html, created, last_viewed, url, revision, streaming_key) values ("%s", "%s", "%s", now(), now(), "%s", "%s", "%s")', mysql_real_escape_string($javascript), mysql_real_escape_string($css), mysql_real_escape_string($html), mysql_real_escape_string($code_id), mysql_real_escape_string($revision), mysql_real_escape_string($rewriteKey));
// a few simple tests to pass before we save
if (($html == '' && $html == $javascript && $css == '')) {
// entirely blank isn't going to be saved.
} else {
if (!noinsert($html, $javascript)) {
$ok = mysql_query($sql);
if ($ok) {
$allowUpdate = $rewriteKey;
}
if ($home && $ok) {
$sql = sprintf('insert into owners (name, url, revision) values ("%s", "%s", "%s")', mysql_real_escape_string($home), mysql_real_escape_string($code_id), mysql_real_escape_string($revision));
$ok = mysql_query($sql);
}
}
}
} else if ($method === 'update') {
$checksum = $_POST['checksum'];
$code_id = $_POST['code'];
$revision = $_POST['revision'];
$panel = $_POST['panel'];
$content = $_POST['content'];
if ($panel === 'javascript' || $panel === 'css' || $panel === 'html') {
$sql = sprintf('update sandbox set %s="%s", created=now() where url="%s" and revision="%s" and streaming_key="%s" and streaming_key!=""', mysql_real_escape_string($panel), mysql_real_escape_string($content), mysql_real_escape_string($code_id), mysql_real_escape_string($revision), mysql_real_escape_string($checksum));
// TODO run against blacklist
$ok = mysql_query($sql);
$updated = mysql_affected_rows();
if ($ok && $updated === 1) {
$data = array(ok => true, error => false);
echo json_encode($data);
exit;
} else {
$data = array(
error => true,
message => 'checksum did not check out on revision update'
);
echo json_encode($data);
exit;
}
} else {
$data = array(
error => true,
message => 'oi oi, you naughty boy'
);
echo json_encode($data);
exit;
}
}
// If they're saving via an XHR request, then second back JSON or JSONP response
if ($ajax) {
// supports plugins making use of JS Bin via ajax calls and callbacks
if (array_key_exists('callback', $_REQUEST)) {
echo $_REQUEST['callback'] . '("';
}
$url = ROOT . '/' . $code_id . '/' . $revision;
if (isset($_REQUEST['format']) && strtolower($_REQUEST['format']) == 'plain') {
echo $url;
} else {
// FIXME - why *am* I sending "js" and "html" with the url to the bin?
$data = array(
code => $code_id,
root => PATH,
created => date('c', time()),
revision => $revision,
url => $url,
edit => $url . '/edit',
html => $url . '/edit',
js => $url . '/edit',
title => getTitleFromCode(array(html => $html, javascript => $javascript)),
allowUpdate => $allowUpdate === false ? false : true,
checksum => $allowUpdate
);
echo json_encode($data);
// echo '{ "code": "' . $code_id . '", "root": "' . PATH . '", "created": "' . date('c', time()) . '", "revision": ' . $revision . ', "url" : "' . $url . '", "edit" : "' . $url . '/edit", "html" : "' . $url . '/edit", "js" : "' . $url . '/edit", "title": "' . .'" }';
}
if (array_key_exists('callback', $_REQUEST)) {
echo '")';
}
} else {
// code was saved, so lets do a location redirect to the newly saved code
$edit_mode = false;
if ($revision == 1) {
header('Location: ' . ROOT . $code_id . '/edit');
} else {
header('Location: ' . ROOT . $code_id . '/' . $revision . '/edit');
}
}
} else if ($action === 'download' || $action) { // this should be an id
$subaction = array_pop($request);
if ($action == 'latest') {
// find the latest revision and redirect to that.
$code_id = $subaction;
$latest_revision = getMaxRevision($code_id);
header('Location: /' . $code_id . '/' . $latest_revision);
$edit_mode = false;
}
// gist are formed as jsbin.com/gist/1234 - which land on this condition, so we need to jump out, just in case
else if ($subaction != 'gist') {
$download = false;
if ($action === 'download') {
$download = true;
$action = $subaction;
$subaction = array_pop($request);
}
if ($subaction && is_numeric($action)) {
$code_id = $subaction;
$revision = $action;
} else {
$code_id = $action;
$revision = getMaxRevision($code_id);
}
list($latest_revision, $html, $javascript, $css) = getCode($code_id, $revision);
list($html, $javascript, $css) = formatCompletedCode($html, $javascript, $css, $code_id, $revision);
global $quiet;
if ($download) {
$ext = $html ? 'html' : 'js';
$filename = implode(array('jsbin', $code_id, $revision, $ext), '.');
header('Content-Disposition: attachment; filename="' . $filename . '"');
}
// using new str_lreplace to ensure only the *last* </body> is replaced.
// FIXME there's still a bug here if </body> appears in the script and not in the
// markup - but I'll fix that later
if (!$quiet && !$download) {
$html = str_lreplace('</body>', '<script src="' . ROOT . '/js/render/edit.js"></script>' . "\n</body>", $html);
}
if ($no_code_found == false && !$download) {
$html = str_lreplace('</body>', googleAnalytics() . '</body>', $html);
}
if (false) {
if (stripos($html, '<head>')) {
$html = preg_replace('/<head>(.*)/', '<head><script>if (window.top != window.self) window.top.location.replace(window.location.href);</script>$1', $html);
} else {
// if we can't find a head element, brute force the framebusting in to the HTML
$html = '<script>if (window.top != window.self) window.top.location.replace(window.location.href);</script>' . $html;
}
}
if (!$html && !$ajax) {
$javascript = "/*\n Created using " . ROOT . "\n Source can be edit via " . $host . ROOT . "$code_id/edit\n*/\n\n" . $javascript;
}
if (!$html) {
header("Content-type: text/javascript");
}
if ($last_updated) {
header("Last-Modified: " . date('r', strtotime($last_updated)));
}
echo $html ? $html : $javascript;
$edit_mode = false;
}
}
if (!$edit_mode || $ajax) {
exit;
}
function connect() {
// sniff, and if on my mac...
$link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
mysql_select_db(DB_NAME, $link);
}
function encode($s) {
static $jsonReplaces = array(array("\\", "/", "\n", "\t", "\r", "\b", "\f", '"'), array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\b', '\\f', '\"'));
return '"' . str_replace($jsonReplaces[0], $jsonReplaces[1], $s) . '"';
}
function str_lreplace($search, $replace, $subject) {
$pos = strrpos($subject, $search);
if ($pos === false) {
return $subject;
} else {
return substr_replace($subject, $replace, $pos, strlen($search));
}
}
function setSession($name, $email) {
$data = json_encode(array('user' => array(
'name' => $name,
'email' => $email,
'lastLogin' => time()
)));
$hash = session_hash($data);
setcookie('session', $hash . $data, time() + 60 * 60 * 24 * 30, PATH);
}
function getCodeIdParams($request) {
global $home;
$revision = array_pop($request);
$code_id = array_pop($request);
if ($code_id == null || ($home && $home == $code_id)) {
$code_id = $revision;
$revision = 1;
}
return array($code_id, $revision);
}
function getMaxRevision($code_id) {
$sql = sprintf('select max(revision) as rev from sandbox where url="%s"', mysql_real_escape_string($code_id));
$result = mysql_query($sql);
$row = mysql_fetch_object($result);
return $row->rev ? $row->rev : 0;
}
function formatCompletedCode($html, $javascript, $css, $code_id, $revision) {
global $ajax, $quiet;
$javascript = preg_replace('@</script@', "<\/script", $javascript);
if ($quiet && $html) {
$html = '<script>window.onfocus=function(){return false;};window.open=window.print=window.confirm=window.prompt=window.alert=function(){};</script>' . $html;
}
if ($html && stripos($html, '%code%') === false && strlen($javascript)) {
$close = '';
if (stripos($html, '</body>') !== false) {
$parts = explode("</body>", $html);
$html = $parts[0];
$close = count($parts) == 2 ? '</body>' . $parts[1] : '';
}
$html .= "<script>\n" . $javascript . "\n</script>\n" . $close;
} else if ($javascript) {
// removed the regex completely to try to protect $n variables in JavaScript
$htmlParts = explode("%code%", $html);
$html = $htmlParts[0] . $javascript . $htmlParts[1];
$html = preg_replace("/%code%/", $javascript, $html);
}
// repeat for CSS
if ($html && stripos($html, '%css%') === false && strlen($css)) {
$close = '';
if (stripos($html, '</head>') !== false) {
$parts = explode("</head>", $html);
$html = $parts[0];
$close = count($parts) == 2 ? '</head>' . $parts[1] : '';
}
$html .= "<style>\n" . $css . "\n</style>\n" . $close;
} else if ($css) {
// TODO decide whether this is required for the JS
// removed the regex completely to try to protect $n variables in JavaScript
$htmlParts = explode("%css%", $html);
$html = $htmlParts[0] . $css . $htmlParts[1];
$html = preg_replace("/%css%/", $css, $html);
}
if (!$ajax && $code_id != 'jsbin') {
$code_id .= $revision == 1 ? '' : '/' . $revision;
$html = preg_replace('/<html(.*)/', "<html$1\n<!--\n\n Created using " . ROOT . "\n Source can be edited via " . $host . ROOT . "$code_id/edit\n\n-->", $html);
}
return array($html, $javascript, $css);
}
function getCode($code_id, $revision, $testonly = false) {
$sql = sprintf('select * from sandbox where url="%s" and revision="%s"', mysql_real_escape_string($code_id), mysql_real_escape_string($revision));
$result = mysql_query($sql);
if (!mysql_num_rows($result) && $testonly == false) {
header("HTTP/1.1 404 Not Found");
return defaultCode(true);
} else if (!mysql_num_rows($result)) {
return array($revision);
} else {
$row = mysql_fetch_object($result);
// TODO required anymore? used for auto deletion
$sql = 'update sandbox set last_viewed=now() where id=' . $row->id;
mysql_query($sql);
$javascript = preg_replace('/\r/', '', $row->javascript);
$html = preg_replace('/\r/', '', $row->html);
$css = preg_replace('/\r/', '', $row->css);
$revision = $row->revision;
// this is hack, but it's the easiest way of getting the timestamp out
global $last_updated;
$last_updated = $row->created;
// return array(preg_replace('/\r/', '', $html), preg_replace('/\r/', '', $javascript), $row->streaming, $row->active_tab, $row->active_cursor);
return array($revision, get_magic_quotes_gpc() ? stripslashes($html) : $html, get_magic_quotes_gpc() ? stripslashes($javascript) : $javascript, get_magic_quotes_gpc() ? stripslashes($css) : $css);
}
}
function defaultCode($not_found = false) {
$library = '';
global $no_code_found;
if ($not_found) {
$no_code_found = true;
}
$usingRequest = false;
if (isset($_REQUEST['html']) || isset($_REQUEST['js']) || isset($_REQUEST['javascript'])) {
$usingRequest = true;
}
if (@$_REQUEST['html']) {
$html = $_REQUEST['html'];
} else if ($usingRequest) {
$html = '';
} else {
$html = getDefaultCode('html');
}
$javascript = '';
if (@$_REQUEST['js']) {
$javascript = $_REQUEST['js'];
} else if (@$_REQUEST['javascript']) {
$javascript = $_REQUEST['javascript']; // it's beyond me why I ever used js?
} else if ($usingRequest) {
$javascript = '';
} else {
if ($not_found) {
$javascript = 'document.getElementById("hello").innerHTML = "<strong>This URL does not have any code saved to it.</strong>";';
} else {
$javascript = getDefaultCode('javascript');
}
}
$css = '';
if (@$_REQUEST['css']) {
$css = $_REQUEST['css'];
} else {
$css = getDefaultCode('css');
}
return array(0, get_magic_quotes_gpc() ? stripslashes($html) : $html, get_magic_quotes_gpc() ? stripslashes($javascript) : $javascript, get_magic_quotes_gpc() ? stripslashes($css) : $css);
}
function getDefaultCode($prop) {
global $custom;
$ext = $prop === 'javascript' ? 'js' : $prop;
$custom_filename = isset($custom['__dirname']) ? ($custom['__dirname'] . 'default.' . $ext) : null;
$default_filename = '../views/default.' . $ext;
$code = '';
if (file_exists($custom_filename)) {
$code = file_get_contents($custom_filename);
}
else if (file_exists($default_filename)) {
$code = file_get_contents($default_filename);
}
return $code;
}
// I'd consider using a tinyurl type generator, but I've yet to find one.
// this method also produces *pronousable* urls
function generateCodeId($tries = 0) {
$code_id = generateURL();
if ($tries > 2) {
$code_id .= $tries;
}
// check if it's free
$sql = sprintf('select id from sandbox where url="%s"', mysql_real_escape_string($code_id));
$result = mysql_query($sql);
if (mysql_num_rows($result)) {
$code_id = generateCodeId(++$tries);
} else if ($tries > 10) {
echo('Too many tries to find a new code_id - please contact using <a href="/about">about</a>');
exit;
}
return $code_id;
}
function generateURL() {
// generates 5 char word
$vowels = str_split('aeiou');
$const = str_split('bcdfghjklmnpqrstvwxyz');
$word = '';
for ($i = 0; $i < 6; $i++) {
if ($i % 2 == 0) { // even = vowels
$word .= $vowels[rand(0, 4)];
} else {
$word .= $const[rand(0, 20)];
}
}
return $word;
}
function googleAnalytics() {
global $quiet;
if (!$quiet) {
return <<<HERE_DOC
<script>var _gaq=[['_setAccount','UA-1656750-13'],['_trackPageview']];(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];g.src='//www.google-analytics.com/ga.js';s.parentNode.insertBefore(g,s)})(document,'script')</script>
HERE_DOC;
} else {
return '';
}
}
function getTitleFromCode($bin) {
preg_match('/<meta name="description" content="(.*?)"/', $bin['html'], $meta);
preg_match('/<title>(.*?)<\/title>/', $bin['html'], $match);
preg_match('/<body.*?>(.*)/s', $bin['html'], $body);
$title = '';
if (count($meta) && strlen(trim($meta[1]))) {
$title = $meta[1];
if (get_magic_quotes_gpc() && $meta[1]) {
$title = stripslashes($meta[1]);
}
$title = trim(preg_replace('/\s+/', ' ', strip_tags($title)));
} else if (count($body)) {
$title = $body[1];
if (get_magic_quotes_gpc() && $body[1]) {
$title = stripslashes($body[1]);
}
$title = trim(preg_replace('/\s+/', ' ', strip_tags($title)));
}
if (!$title && $bin['javascript']) {
$title = preg_replace('/\s+/', ' ', $bin['javascript']);
}
return $title;
}
function showSaved($name) {
$sql = sprintf('select * from owners where name="%s" order by url, revision desc', mysql_real_escape_string($name));
$result = mysql_query($sql);
$bins = array();
$order = array();
// this is lame, but the optimisation was aweful on the joined version - 3-4 second query
// with a full table scan - not good. I'm worried this doesn't scale properly, but I guess
// I could mitigate this with paging on the UI - just a little...?
if ($result) {
while ($saved = mysql_fetch_object($result)) {
$sql = sprintf('select * from sandbox where url="%s" and revision="%s"', mysql_real_escape_string($saved->url), mysql_real_escape_string($saved->revision));
$binresult = mysql_query($sql);
$bin = mysql_fetch_array($binresult);
if (!isset($bins[$saved->url])) {
$bins[$saved->url] = array();
}
$bins[$saved->url][] = $bin;
if (isset($order[$saved->url])) {
if (@strtotime($order[$saved->url]) < @strtotime($bin['created'])) {
$order[$saved->url] = $bin['created'];
}
} else {
$order[$saved->url] = $bin['created'];
}
}
}
if (count($bins)) {
include_once('list-history.php');
} else {
// echo 'nothing found :(';
// echo 'nothing found';
}
}
function formatURL($code_id, $revision) {
if ($revision != 1 && $revision) {
$code_id .= '/' . $revision;
} else {
$code_id .= '/1';
}
$code_id_path = ROOT;
if ($code_id) {
$code_id_path = ROOT . '/' . $code_id . '/';
}
return $code_id_path;
}
function session_hash($string) {
return sha1($string . SECRET_KEY);
}
?>
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