/**
* Returns encoded message.
* @return string
*/
public function generateMessage()
{
$output = '';
$boundary = '--------' . Strings::random();
foreach ($this->headers as $name => $value) {
$output .= $name . ': ' . $this->getEncodedHeader($name);
if ($this->parts && $name === 'Content-Type') {
$output .= ';' . self::EOL . "\tboundary=\"{$boundary}\"";
}
$output .= self::EOL;
}
$output .= self::EOL;
$body = (string) $this->body;
if ($body !== '') {
switch ($this->getEncoding()) {
case self::ENCODING_QUOTED_PRINTABLE:
$output .= function_exists('quoted_printable_encode') ? quoted_printable_encode($body) : self::encodeQuotedPrintable($body);
break;
case self::ENCODING_BASE64:
$output .= rtrim(chunk_split(base64_encode($body), self::LINE_LENGTH, self::EOL));
break;
case self::ENCODING_7BIT:
$body = preg_replace('#[\\x80-\\xFF]+#', '', $body);
// break intentionally omitted
// break intentionally omitted
case self::ENCODING_8BIT:
$body = str_replace(array("", "\r"), '', $body);
$body = str_replace("\n", self::EOL, $body);
$output .= $body;
break;
default:
throw new InvalidStateException('Unknown encoding.');
}
}
if ($this->parts) {
if (substr($output, -strlen(self::EOL)) !== self::EOL) {
$output .= self::EOL;
}
foreach ($this->parts as $part) {
$output .= '--' . $boundary . self::EOL . $part->generateMessage() . self::EOL;
}
$output .= '--' . $boundary . '--';
}
return $output;
}
/**
* New node is found.
* @return bool
*/
public function nodeOpened(MacroNode $node)
{
$this->used = TRUE;
$node->isEmpty = FALSE;
$node->openingCode = PhpWriter::using($node)->write('<?php if (CacheMacro::createCache($netteCacheStorage, %var, $_g->caches, %node.array?)) { ?>', Strings::random());
}
/**
* Cross-Site Request Forgery (CSRF) form protection.
* @param string
* @param int
* @return void
*/
public function addProtection($message = NULL, $timeout = NULL)
{
$session = $this->getSession()->getSection('Nette.Forms.Form/CSRF');
$key = "key{$timeout}";
if (isset($session->{$key})) {
$token = $session->{$key};
} else {
$session->{$key} = $token = Strings::random();
}
$session->setExpiration($timeout, $key);
$this[self::PROTECTOR_ID] = new HiddenField($token);
$this[self::PROTECTOR_ID]->addRule(self::PROTECTION, $message, $token);
}
/**
* @return void
*/
public function __destruct()
{
if (self::$fixIE && isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE ') !== FALSE && in_array($this->code, array(400, 403, 404, 405, 406, 408, 409, 410, 500, 501, 505), TRUE) && $this->getHeader('Content-Type', 'text/html') === 'text/html') {
echo Strings::random(2000.0, " \t\r\n");
// sends invisible garbage for IE
self::$fixIE = FALSE;
}
}
/**
* Returns session namespace provided to pass temporary data between redirects.
* @return SessionSection
*/
public function getFlashSession()
{
if (empty($this->params[self::FLASH_KEY])) {
$this->params[self::FLASH_KEY] = Strings::random(4);
}
return $this->getSession('Nette.Application.Flash/' . $this->params[self::FLASH_KEY]);
}
/**
* Generates code for macro <tag n:attr> to the output.
* @param string
* @return void
*/
public function writeAttrsMacro($code, HtmlNode $htmlNode)
{
$attrs = $htmlNode->macroAttrs;
$left = $right = array();
$attrCode = '';
foreach ($this->macros as $name => $foo) {
$attrName = MacroNode::PREFIX_INNER . "-{$name}";
if (isset($attrs[$attrName])) {
if ($htmlNode->closing) {
$left[] = array("/{$name}", '', MacroNode::PREFIX_INNER);
} else {
array_unshift($right, array($name, $attrs[$attrName], MacroNode::PREFIX_INNER));
}
unset($attrs[$attrName]);
}
}
foreach (array_reverse($this->macros) as $name => $foo) {
$attrName = MacroNode::PREFIX_TAG . "-{$name}";
if (isset($attrs[$attrName])) {
$left[] = array($name, $attrs[$attrName], MacroNode::PREFIX_TAG);
array_unshift($right, array("/{$name}", '', MacroNode::PREFIX_TAG));
unset($attrs[$attrName]);
}
}
foreach ($this->macros as $name => $foo) {
if (isset($attrs[$name])) {
if ($htmlNode->closing) {
$right[] = array("/{$name}", '', NULL);
} else {
array_unshift($left, array($name, $attrs[$name], NULL));
}
unset($attrs[$name]);
}
}
if ($attrs) {
throw new CompileException("Unknown macro-attribute " . Parser::N_PREFIX . implode(' and ' . Parser::N_PREFIX, array_keys($attrs)));
}
if (!$htmlNode->closing) {
$htmlNode->attrCode =& $this->attrCodes[$uniq = ' n:' . Strings::random()];
$code = substr_replace($code, $uniq, ($tmp = strrpos($code, '/>')) ? $tmp : strrpos($code, '>'), 0);
}
foreach ($left as $item) {
$node = $this->writeMacro($item[0], $item[1], NULL, NULL, $htmlNode, $item[2]);
if ($node->closing || $node->isEmpty) {
$htmlNode->attrCode .= $node->attrCode;
if ($node->isEmpty) {
unset($htmlNode->macroAttrs[$node->name]);
}
}
}
$this->output .= $code;
foreach ($right as $item) {
$node = $this->writeMacro($item[0], $item[1], NULL, NULL, $htmlNode);
if ($node->closing) {
$htmlNode->attrCode .= $node->attrCode;
}
}
if ($right && substr($this->output, -2) === '?>') {
$this->output .= "\n";
}
}
/** @return string */
private function getRandomId()
{
return '<' . Strings::random() . '@' . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost')) . '>';
}
/**
* Starts and initializes session data.
* @throws InvalidStateException
* @return void
*/
public function start()
{
if (self::$started) {
return;
}
$this->configure($this->options);
Debugger::tryError();
session_start();
if (Debugger::catchError($e) && !session_id()) {
@session_write_close();
// this is needed
throw new InvalidStateException('session_start(): ' . $e->getMessage(), 0, $e);
}
self::$started = TRUE;
/* structure:
__NF: Counter, BrowserKey, Data, Meta, Time
DATA: section->variable = data
META: section->variable = Timestamp, Browser, Version
*/
unset($_SESSION['__NT'], $_SESSION['__NS'], $_SESSION['__NM']);
// old unused structures
// initialize structures
$nf =& $_SESSION['__NF'];
if (empty($nf)) {
// new session
$nf = array('C' => 0);
} else {
$nf['C']++;
}
// session regenerate every 30 minutes
$nfTime =& $nf['Time'];
$time = time();
if ($time - $nfTime > self::REGENERATE_INTERVAL) {
$this->regenerated = $this->regenerated || isset($nfTime);
$nfTime = $time;
}
// browser closing detection
$browserKey = $this->request->getCookie('nette-browser');
if (!$browserKey) {
$browserKey = Strings::random();
}
$browserClosed = !isset($nf['B']) || $nf['B'] !== $browserKey;
$nf['B'] = $browserKey;
// resend cookie
$this->sendCookie();
// process meta metadata
if (isset($nf['META'])) {
$now = time();
// expire section variables
foreach ($nf['META'] as $section => $metadata) {
if (is_array($metadata)) {
foreach ($metadata as $variable => $value) {
if (!empty($value['B']) && $browserClosed || !empty($value['T']) && $now > $value['T'] || isset($nf['DATA'][$section][$variable]) && is_object($nf['DATA'][$section][$variable]) && (isset($value['V']) ? $value['V'] : NULL) != ClassReflection::from($nf['DATA'][$section][$variable])->getAnnotation('serializationVersion')) {
if ($variable === '') {
// expire whole section
unset($nf['META'][$section], $nf['DATA'][$section]);
continue 2;
}
unset($nf['META'][$section][$variable], $nf['DATA'][$section][$variable]);
}
}
}
}
}
if ($this->regenerated) {
$this->regenerated = FALSE;
$this->regenerateId();
}
register_shutdown_function(array($this, 'clean'));
}
