private function writeFile($filename, $contents, $gzip = true)
{
if ($gzip && self::$enable_gzip) {
$contents = gzdeflate($contents);
}
file_put_contents($filename, $contents);
}
/**
* Generates an encoded and compressed string from the specified
* string. The string is encoded in the following order:
*
* 1. Deflate
* 2. Base64 encode
* 3. URL encode
* @param string $msg
* @return string
*/
function samlEncodeMessage($msg)
{
$encmsg = gzdeflate($msg);
$encmsg = base64_encode($encmsg);
$encmsg = urlencode($encmsg);
return $encmsg;
}
function __out($data, $type = '', $callback = '')
{
if (empty($type)) {
if (isset($_REQUEST['gz'])) {
$type = 'gz';
} else {
if (isset($_REQUEST['gz2'])) {
$type = 'gz2';
} elseif (isset($_REQUEST['json'])) {
$type = 'json';
} elseif (isset($_REQUEST['jsonp'])) {
$type = 'jsonp';
}
}
}
if ($type === 'gz') {
$s = serialize($data);
print gzdeflate($s, 9);
} elseif ($type === 'gz2') {
$s = serialize($data);
print gzencode($s, 9);
} elseif ($type === 'json') {
print json_encode($data);
} elseif ($type === 'jsonp') {
if (empty($callback) && isset($_GET['callback'])) {
$callback = $_GET['callback'];
}
print $callback . '(' . json_encode($data) . ');';
} else {
$s = serialize($data);
print $s;
}
}
/**
* 导出
*/
public function siteExport($filename = '')
{
if (IS_POST) {
$setting_db = M('setting');
$data = array('type' => 'setting');
$data['data'] = $setting_db->select();
$data['verify'] = md5(var_export($data['data'], true) . $data['type']);
//数据进行多次加密，防止数据泄露
$data = base64_encode(gzdeflate(json_encode($data)));
$uniqid = uniqid();
$filename = UPLOAD_PATH . 'export/' . $uniqid . '.data';
if (file_write($filename, $data)) {
$this->success('导出成功', U('Setting/siteExport', array('filename' => $uniqid)));
}
$this->error('导出失败，请重试！');
} else {
//过滤特殊字符，防止非法下载文件
$filename = str_replace(array('.', '/', '\\'), '', $filename);
$filename = UPLOAD_PATH . 'export/' . $filename . '.data';
if (!file_exist($filename)) {
$this->error('非法访问');
}
header('Content-type: application/octet-stream');
header('Content-Disposition: attachment; filename="站点设置.data"');
echo file_read($filename);
file_delete($filename);
}
}
public function saveAction($data)
{
if ($data === false) {
return false;
}
return gzdeflate($data);
}
/**
* Saves a cached object in the file system.
*
* @param mixed $content The object to be stored. Stores all types, except the resource-type.
*/
public function push($content)
{
if (!file_exists($this->path)) {
mkdir($this->path, 0755);
}
file_put_contents($this->cacheFile, gzdeflate(serialize($content)));
}
public function demoapp()
{
$sharedKey = 'abracadabra';
$self = 'http' . ($_SERVER['HTTPS'] ? 's' : '') . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['SCRIPT_NAME'];
if ($_POST['doit']) {
$idp = $_POST['idp'];
if (!$idp) {
$idp = "sp";
}
$request = array('_ID' => sha1(uniqid(mt_rand(), true)), '_Version' => '2.0', '_IssueInstant' => gmdate('Y-m-d\\TH:i:s\\Z', time()), '_Destination' => $self . "/{$idp}/singleSignOnService", '_ForceAuthn' => $_REQUEST['ForceAuthn'] ? 'true' : 'false', '_IsPassive' => $_REQUEST['IsPassive'] ? 'true' : 'false', '_AssertionConsumerServiceURL' => $self . "/main/" . __FUNCTION__, '_AttributeConsumingServiceIndex' => 5, '_ProtocolBinding' => 'JSON-Redirect', 'saml:Issuer' => array('__v' => $self . "/main"));
foreach ((array) $_REQUEST['IDPList'] as $idp) {
$idpList[] = array('_ProviderID' => $idp);
}
$relayState = 'Dummy RelayState ...';
if ($idpList) {
$request['samlp:Scoping']['samlp:IDPList']['samlp:IDPEntry'] = $idpList;
}
#$request['samlp:Scoping']['_ProxyCount'] = 2;
$location = $request['_Destination'];
$request = "SAMLRequest=" . urlencode(base64_encode(gzdeflate(json_encode($request)))) . ($relayState ? '&RelayState=' . urlencode($relayState) : '');
$signature = urlencode(base64_encode(sha1($sharedKey . sha1($request))));
header('Location: ' . $location . "?" . $request . "&Signature=" . $signature);
print "<a href=\"{$location}?{$request}&Signature={$signature}\">{$location}</a>";
exit;
}
$response = base64_decode($_REQUEST['SAMLResponse']);
$hSAMLResponse = json_decode(gzinflate($response), 1);
if ($rs = $_POST['RelayState']) {
$rs = '&RelayState=' . $rs;
}
if ($response && base64_encode(sha1($sharedKey . sha1("jSAMLResponse={$response}{$rs}"))) != $_POST['Signature']) {
$message = 'Integrity check failed (Sharedkey) ' . $_POST['Signature'] . ' != ' . base64_encode(sha1($sharedKey . sha1("jSAMLResponse={$response}{$rs}")));
}
print $this->_server->renderTemplate('demo', array('action' => $self . "/main/demoapp", 'hSAMLResponse' => $hSAMLResponse, 'message' => $message . " RelayState: " . $_GET['RelayState'], 'self' => $self));
}
/**
* (non-PHPdoc).
*
* @param string $data
*
* @see \Dms\Coding\CodingInterface::encode()
*/
public function encode($data = null)
{
if ($data != null) {
$this->setData($data);
}
return gzdeflate($this->data);
}
/**
* @expectedException \Brainbits\Transcoder\Exception\DecodeFailedException
*/
public function testDecodeThrowsErrorOnEmptyResult()
{
$testString = '';
$encodedString = gzdeflate($testString);
$result = $this->decoder->decode($encodedString);
$this->assertSame($testString, $result);
}
function streamData($data, $name, $time = 0, $level = -1)
{
$time = $this->dosTime($time);
$crc = crc32($data);
$dlen = strlen($data);
$level < 0 && ($level = (int) $this->level);
$level < 0 && ($level = self::LEVEL);
$data = gzdeflate($data, $level);
$zlen = strlen($data);
$name = strtr($name, '\\', '/');
$n = @iconv('UTF-8', 'CP850', $name);
// If CP850 can not represent the filename, use unicode
if ($name !== @iconv('CP850', 'UTF-8', $n)) {
$n = $name;
$h = "";
} else {
$h = "";
}
$nlen = strlen($n);
$h = "" . $h . "" . pack('V', $time) . pack('V', $crc) . pack('V', $zlen) . pack('V', $dlen) . pack('v', $nlen) . pack('v', 0);
// extra field length
echo "PK", $h, $n, $data;
$dlen = $this->dataLen;
$this->dataLen += 4 + strlen($h) + $nlen + $zlen;
$this->cdr[] = "PK" . "" . $h . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 32) . pack('V', $dlen) . $n;
}
public function beforeSave($options = array())
{
if (isset($this->data[$this->name]['file'])) {
$this->data[$this->name]['file'] = gzdeflate($this->data[$this->name]['file'], 9);
}
return true;
}
/**
* Performs text encryption with openssl_encrypt and returns it as a string.<br />
* If openssl_encrypt is not available encrypts with mcrypt, if mcrypt is not available encrypts with xor
*
* @param string $text The text to encode
* @param string $key [optionnal] The key to use. Default is the application key
* @return string The encrypted string
*/
public static function encrypt($text, $key = null)
{
// Get the application key if no key is given
if ($key === null) {
$key = self::_getKey();
}
// To avoid same encoded string for the same string
$text = self::hash($text) . '~~~' . $text;
// If zlib is active we compress the value to crypt
if (function_exists('gzdeflate')) {
$text = gzdeflate($text, 9);
}
// Use openssl_encrypt with PHP >= 5.3.0
if (Config::get('general.crypt_method', 'openssl') === 'openssl' && function_exists('openssl_encrypt') && in_array('BF-ECB', openssl_get_cipher_methods())) {
$method = 'BF-ECB';
$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length($method));
return strtr(openssl_encrypt($text, $method, $key), '+/', '-_');
} else {
if (function_exists('mcrypt_encrypt')) {
$size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($size, MCRYPT_RAND);
$crypt = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv);
return rtrim(strtr(base64_encode($crypt), '+/', '-_'), '=');
}
}
// ... else encrypt with xor technique
$n = mb_strlen($text, '8bit');
$m = mb_strlen($key, '8bit');
if ($n !== $m) {
$key = mb_substr(str_repeat($key, ceil($n / $m)), 0, $n, '8bit');
}
return base64_encode($text ^ $key);
}
public static function compress(string $output)
{
$request = Request::createFromGlobals();
// Check to see if we have data, if not, then return empty string
if ($output === null) {
return (string) '';
}
// Handle the supported compressions.
$supported_enc = array();
if ($request->headers->get('HTTP_ACCEPT_ENCODING')) {
$supported_enc = explode(',', $request->headers->get('HTTP_ACCEPT_ENCODING'));
}
if (in_array('gzip', $supported_enc) === true) {
header('Vary: Accept-Encoding');
header('Content-Encoding: gzip');
$encoded_output = gzencode($output, 9);
return (string) $encoded_output;
} elseif (in_array('deflate', $supported_enc) === true) {
header('Vary: Accept-Encoding');
header('Content-Encoding: deflate');
$deflated_output = gzdeflate($output, 9);
return (string) $deflated_output;
} else {
return (string) $output;
}
}
/**
* Serialize and add data to cache
*
* @param array $data Data to be cached
* @param string $filename Name of cache file
* @return bool Status
*/
public function save($data, $filename)
{
clearstatcache();
$path = $this->_gen_path($filename);
$file = $this->_full_file_path($filename);
if ($this->_options['num_directory_levels'] > 0) {
if (!is_writable($path)) {
// Cache directory structure may need to be created
$this->_create_sub_dir_structure($filename);
}
if (!is_writable($path)) {
// A second check to make sure dir was created successfully
return false;
}
}
if ($this->_options['gzip_level'] > 0) {
$res = @file_put_contents($file, gzdeflate($this->_serialize($data), $this->_options['gzip_level']));
} else {
$res = @file_put_contents($file, $this->_serialize($data));
}
// Serialize Only
if ($res) {
@chmod($file, $this->_options['umask_file']);
}
return $res;
}
public function save($data, $id, $tags = array(), $specificLifetime = false)
{
if ($this->_options['compression']) {
$data = gzdeflate($data);
}
return parent::save($data, $id, $tags, $specificLifetime);
}
function xthreads_attach_hash(&$odd = false)
{
static $secret = null;
if (!isset($secret)) {
if (isset($GLOBALS['mybb']->config['database']['password'])) {
$config =& $GLOBALS['mybb']->config;
} else {
@(include MYBB_ROOT . 'inc/config.php');
}
$secret = md5(substr(md5($config['database']['database'] . ',' . $config['database']['password']), 0, 12) . __FILE__);
unset($config);
}
$key = $secret;
if (defined('XTHREADS_EXPIRE_ATTACH_LINK') && XTHREADS_EXPIRE_ATTACH_LINK) {
$time = floor(time() / XTHREADS_EXPIRE_ATTACH_LINK);
if ($odd !== false) {
if ($time % 2 != $odd) {
--$time;
}
} else {
$odd = $time % 2;
}
$key .= '|' . $time;
}
if (defined('XTHREADS_ATTACH_LINK_IPMASK') && XTHREADS_ATTACH_LINK_IPMASK) {
$key .= '|' . (xthreads_get_ip() & 0xffffffff << 32 - XTHREADS_ATTACH_LINK_IPMASK);
}
// because PHP doesn't like ~(0xffffffff >> x)
return crc32(md5(gzdeflate($key)));
}
/**
* Generate the request.
*
* @return string A fully qualified URL that can be redirected to in order to process the authorization request.
*/
public function getRedirectUrl()
{
$id = $this->_generateUniqueID();
$issueInstant = $this->_getTimestamp();
$request = <<<AUTHNREQUEST
<samlp:AuthnRequest
xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
ID="{$id}"
Version="2.0"
IssueInstant="{$issueInstant}"
ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
AssertionConsumerServiceURL="{$this->_settings->spReturnUrl}">
<saml:Issuer>{$this->_settings->spIssuer}</saml:Issuer>
<samlp:NameIDPolicy
Format="{$this->_settings->requestedNameIdFormat}"
AllowCreate="true"></samlp:NameIDPolicy>
<samlp:RequestedAuthnContext Comparison="exact">
<saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
</samlp:RequestedAuthnContext>
</samlp:AuthnRequest>
AUTHNREQUEST;
$deflatedRequest = gzdeflate($request);
$base64Request = base64_encode($deflatedRequest);
$encodedRequest = urlencode($base64Request);
if (strpos($this->_settings->idpSingleSignOnUrl, '?') === FALSE) {
return $this->_settings->idpSingleSignOnUrl . "?SAMLRequest=" . $encodedRequest;
}
return $this->_settings->idpSingleSignOnUrl . "&SAMLRequest=" . $encodedRequest;
}
/**
* Generate the request.
*
* @return string A fully qualified URL that can be redirected to in order to process the authorization request.
*/
public function getRedirectUrl()
{
// Build the request
$id = $this->_generateUniqueID();
$issueInstant = $this->_getTimestamp();
$request = <<<AUTHNREQUEST
<samlp:AuthnRequest
xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
ID="{$id}"
Version="2.0"
IssueInstant="{$issueInstant}"
ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
AssertionConsumerServiceURL="{$this->_settings->spReturnUrl}">
<saml:Issuer>{$this->_settings->spIssuer}</saml:Issuer>
<samlp:NameIDPolicy
Format="{$this->_settings->requestedNameIdFormat}"
AllowCreate="true"></samlp:NameIDPolicy>
<samlp:RequestedAuthnContext Comparison="exact">
<saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
</samlp:RequestedAuthnContext>
</samlp:AuthnRequest>
AUTHNREQUEST;
// Encode the request
$deflatedRequest = gzdeflate($request);
$base64Request = base64_encode($deflatedRequest);
$encodedRequest = urlencode($base64Request);
// Build redirect URL
$url = $this->_settings->idpSingleSignOnUrl . "?SAMLRequest=" . $encodedRequest;
// Keep the original GET parameters
foreach ($this->_get_params as $param => $value) {
$url .= "&" . $param . "=" . urlencode($value);
}
return $url;
}
/**
* Encode data.
*
* @param $data
* @param bool $compress
*
* @return array|null|string
* @throws HttpDataEncodeException
*/
protected function encode($data, $compress = true)
{
if (!is_null($data)) {
if ($compress) {
// First serialize the data.
$data = serialize($data);
// Now compress it.
if (!($data = gzdeflate($data, 9))) {
throw new HttpDataEncodeException();
}
// Create an array containing the compressed data and the
// 'compressed' item.
$data = [static::DATA_INDEX => $data];
$data['compressed'] = true;
// Serialize it again.
if (!($data = serialize($data))) {
throw new HttpDataEncodeException();
}
} else {
// Add the 'compressed' item and serialize.
$data = [static::DATA_INDEX => $data];
$data['compressed'] = false;
$data = serialize($data);
}
}
return $data;
}
/**
* Saves and unlocks a session
* @param array $data to store (an empty array is equivalent to destruction of the session)
* @param int $ttl time until session expiration (always > 0)
* @return \Amp\Promise resolving after success
*/
public function save(string $id, array $data, int $ttl) : Promise
{
$promisor = new Deferred();
if (empty($data)) {
$this->client->del("sess:" . $id)->when(function ($error) use($id, $promisor) {
if ($error) {
$promisor->fail(new Exception("couldn't delete session", 0, $error));
} else {
$promisor->succeed($this->unlock($id));
}
});
} else {
$data = json_encode([$ttl, $data]);
$flags = 0;
if (strlen($data) > self::COMPRESSION_THRESHOLD) {
$data = gzdeflate($data, 1);
$flags |= 0x1;
}
$data = $flags % 256 . $data;
$this->client->set("sess:" . $id, $data, $ttl)->when(function ($error) use($id, $promisor) {
if ($error) {
$promisor->fail(new Exception("couldn't persist session data", 0, $error));
} else {
$promisor->succeed($this->unlock($id));
}
});
}
return $promisor->promise();
}
public function set($key, $value, $expiry = 0)
{
wfProfileIn(__METHOD__);
$expiry = $this->convertExpiry($expiry);
$ttl = $expiry ? $expiry - time() : 2147483647;
$blob = serialize($value);
if (strlen($blob) > 100) {
$blob = gzdeflate($blob);
$contentType = 'application/vnd.php.serialized+deflate';
} else {
$contentType = 'application/vnd.php.serialized';
}
$code = $this->attemptPut($key, $blob, $contentType, $ttl);
if ($code == 404) {
// Maybe the cache does not exist yet, let's try creating it
if (!$this->createCache($key)) {
wfDebug(__METHOD__ . ": cache creation failed\n");
wfProfileOut(__METHOD__);
return false;
}
$code = $this->attemptPut($key, $blob, $contentType, $ttl);
}
$result = false;
if (!$code) {
wfDebug(__METHOD__ . ": PUT failure for key {$key}\n");
} elseif ($code >= 300) {
wfDebug(__METHOD__ . ": PUT failure for key {$key}: HTTP {$code}\n");
} else {
$result = true;
}
wfProfileOut(__METHOD__);
return $result;
}
/**
* Get Feed Information (Size (gzip) and Last Modifcation)
*/
public static function getInformation($feedid, $redirected = FALSE)
{
$feed = \Podlove\Model\Feed::find_by_id($feedid);
$source = self::getSource($feedid, $redirected);
$feed_header = $source['headers'];
$feed_body = $source['body'];
$feed_items = $feed->post_ids();
$last_modification = \Podlove\relative_time_steps(strtotime(isset($feed_header['last-modified']) ? $feed_header['last-modified'] : 0));
$size = \Podlove\format_bytes(strlen($feed_body));
if (extension_loaded('zlib')) {
$size .= " (" . \Podlove\format_bytes(strlen(gzdeflate($feed_body, 9))) . ")";
}
if ($redirected === FALSE) {
$latest_item = "<a href=\"" . get_permalink($feed_items[0]) . "\">" . get_the_title($feed_items[0]) . "</a>";
} else {
// Fetch latest item from source of redirected feed
$start_item_tag = strpos($feed_body, '<item');
$end_item_tag = strpos($feed_body, '</item>');
$first_item = substr($feed_body, $start_item_tag + 7, $end_item_tag - $start_item_tag);
$start_title_tag = strpos($first_item, '<title');
$end_title_tag = strpos($first_item, '</title>');
$start_link_tag = strpos($first_item, '<link');
$end_link_tag = strpos($first_item, '</link>');
$title = substr($first_item, $start_title_tag + 7, $end_title_tag - $start_title_tag - 7);
$permalink = substr($first_item, $start_link_tag + 6, $end_link_tag - $start_link_tag - 7);
$latest_item = "<a href=\"" . $permalink . "\">" . $title . "</a>";
}
return array('size' => $size, 'last_modification' => $last_modification, 'latest_item' => $latest_item);
}
function enjumble($data)
{
for ($i = 0; $i < strlen($data); $i++) {
$data[$i] = chr(ord($data[$i]) + 1);
}
return base64_encode(gzdeflate($data, 9));
}
function saveDb($dbFile, $dbdata)
{
if (!file_exists($dbFile)) {
touch($dbFile);
}
file_put_contents($dbFile, gzdeflate('<?php /* ' . json_encode($dbdata) . ' */ ?>'));
}
/**
* This function filters the $response by gz-deflating it.
*
* @param ezcMvcResponse $response
*/
public function filterResponse(ezcMvcResponse $response)
{
$response->body = gzdeflate($response->body);
if (!$response->content) {
$response->content = new ezcMvcResultContent();
}
$response->content->encoding = 'deflate';
}
/**
* {@inheritdoc}
*/
public function compress($data, $length)
{
$output = @gzdeflate(substr($data, 0, $length));
if (!is_string($output)) {
throw new InvalidInputDataException('The compression input data is invalid.', $output);
}
return $output;
}
function encode_url($input, $type)
{
if ($type == "encode") {
return strtr(base64_encode(gzdeflate(gzcompress(str_rot13($input)), 9)), '+/=', '-_,');
} elseif ($type == "decode") {
return str_rot13(gzuncompress(gzinflate(base64_decode(strtr($input, '-_,', '+/=')))));
}
}
function testGetRevisionTextUtf8LegacyGzip()
{
$row = new stdClass();
$row->old_flags = 'gzip';
$row->old_text = gzdeflate("Wiki est l'école superieur !");
$GLOBALS['wgLegacyEncoding'] = 'iso-8859-1';
$this->assertEquals("Wiki est l'école superieur !", Revision::getRevisionText($row));
}
/**
* {@inheritdoc}
*/
public function compress($data)
{
$data = gzdeflate($data, $this->getCompressionLevel());
if (false === $data) {
throw new \RuntimeException('Unable to compress data');
}
return $data;
}
public static function multi_curl_json($requests, $is_raw = FALSE)
{
$rets = self::multi_curl($requests);
if (!empty($rets)) {
$rets_json = json_encode($rets);
}
return $is_raw ? gzdeflate($rets) : $rets;
}
