/**
* Creates a new instance of memcached.
*/
public function __construct() {
if (!class_exists('Memcached')) {
throw new SystemException('memcached support is not enabled.');
}
// init memcached
$this->memcached = new \Memcached();
// add servers
$tmp = explode("\n", StringUtil::unifyNewlines(CACHE_SOURCE_MEMCACHED_HOST));
$servers = array();
$defaultWeight = floor(100 / count($tmp));
$regex = new Regex('^\[([a-z0-9\:\.]+)\](?::([0-9]{1,5}))?(?::([0-9]{1,3}))?$', Regex::CASE_INSENSITIVE);
foreach ($tmp as $server) {
$server = StringUtil::trim($server);
if (!empty($server)) {
$host = $server;
$port = 11211; // default memcached port
$weight = $defaultWeight;
// check for IPv6
if ($regex->match($host)) {
$matches = $regex->getMatches();
$host = $matches[1];
if (isset($matches[2])) {
$port = $matches[2];
}
if (isset($matches[3])) {
$weight = $matches[3];
}
}
else {
// IPv4, try to get port and weight
if (strpos($host, ':')) {
$parsedHost = explode(':', $host);
$host = $parsedHost[0];
$port = $parsedHost[1];
if (isset($parsedHost[2])) {
$weight = $parsedHost[2];
}
}
}
$servers[] = array($host, $port, $weight);
}
}
$this->memcached->addServers($servers);
// test connection
$this->memcached->get('testing');
// set variable prefix to prevent collision
$this->prefix = substr(sha1(WCF_DIR), 0, 8) . '_';
}
/**
* @see \wcf\system\database\editor\DatabaseEditor::getColumns()
*/
public function getColumns($tableName)
{
$columns = array();
$regex = new Regex('([a-z]+)\\(([0-9]+)\\)', Regex::CASE_INSENSITIVE);
$sql = "SHOW COLUMNS FROM " . $tableName;
$statement = $this->dbObj->prepareStatement($sql);
$statement->execute();
while ($row = $statement->fetchArray()) {
$regex->match($row['Type']);
$typeMatches = $regex->getMatches();
$columns[] = array('name' => $row['Field'], 'data' => array('type' => empty($typeMatches) ? $row['Type'] : $typeMatches[1], 'length' => empty($typeMatches) ? '' : $typeMatches[2], 'notNull' => $row['Null'] == 'YES' ? false : true, 'key' => $row['Key'] == 'PRI' ? 'PRIMARY' : ($row['Key'] == 'UNI' ? 'UNIQUE' : ''), 'default' => $row['Default'], 'autoIncrement' => $row['Extra'] == 'auto_increment' ? true : false));
}
return $columns;
}
/**
* Copies a style.
*
* @return array<string>
*/
public function copy()
{
// get unique style name
$sql = "SELECT\tstyleName\n\t\t\tFROM\twcf" . WCF_N . "_style\n\t\t\tWHERE\tstyleName LIKE ?\n\t\t\t\tAND styleID <> ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->styleEditor->styleName . '%', $this->styleEditor->styleID));
$numbers = array();
$regEx = new Regex('\\((\\d+)\\)$');
while ($row = $statement->fetchArray()) {
$styleName = $row['styleName'];
if ($regEx->match($styleName)) {
$matches = $regEx->getMatches();
// check if name matches the pattern 'styleName (x)'
if ($styleName == $this->styleEditor->styleName . ' (' . $matches[1] . ')') {
$numbers[] = $matches[1];
}
}
}
$number = count($numbers) ? max($numbers) + 1 : 2;
$styleName = $this->styleEditor->styleName . ' (' . $number . ')';
// create the new style
$newStyle = StyleEditor::create(array('styleName' => $styleName, 'templateGroupID' => $this->styleEditor->templateGroupID, 'isDisabled' => 1, 'styleDescription' => $this->styleEditor->styleDescription, 'styleVersion' => $this->styleEditor->styleVersion, 'styleDate' => $this->styleEditor->styleDate, 'copyright' => $this->styleEditor->copyright, 'license' => $this->styleEditor->license, 'authorName' => $this->styleEditor->authorName, 'authorURL' => $this->styleEditor->authorURL, 'imagePath' => $this->styleEditor->imagePath));
// check if style description uses i18n
if (preg_match('~^wcf.style.styleDescription\\d+$~', $newStyle->styleDescription)) {
$styleDescription = 'wcf.style.styleDescription' . $newStyle->styleID;
// copy language items
$sql = "INSERT INTO\twcf" . WCF_N . "_language_item\n\t\t\t\t\t\t(languageID, languageItem, languageItemValue, languageItemOriginIsSystem, languageCategoryID, packageID)\n\t\t\t\tSELECT\t\tlanguageID, '" . $styleDescription . "', languageItemValue, 0, languageCategoryID, packageID\n\t\t\t\tFROM\t\twcf" . WCF_N . "_language_item\n\t\t\t\tWHERE\t\tlanguageItem = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($newStyle->styleDescription));
// update style description
$styleEditor = new StyleEditor($newStyle);
$styleEditor->update(array('styleDescription' => $styleDescription));
}
// copy style variables
$sql = "INSERT INTO\twcf" . WCF_N . "_style_variable_value\n\t\t\t\t\t(styleID, variableID, variableValue)\n\t\t\tSELECT\t\t" . $newStyle->styleID . " AS styleID, value.variableID, value.variableValue\n\t\t\tFROM\t\twcf" . WCF_N . "_style_variable_value value\n\t\t\tWHERE\t\tvalue.styleID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->styleEditor->styleID));
// copy preview image
if ($this->styleEditor->image) {
// get extension
$fileExtension = mb_substr($this->styleEditor->image, mb_strrpos($this->styleEditor->image, '.'));
// copy existing preview image
if (@copy(WCF_DIR . 'images/' . $this->styleEditor->image, WCF_DIR . 'images/stylePreview-' . $newStyle->styleID . $fileExtension)) {
// bypass StyleEditor::update() to avoid scaling of already fitting image
$sql = "UPDATE\twcf" . WCF_N . "_style\n\t\t\t\t\tSET\timage = ?\n\t\t\t\t\tWHERE\tstyleID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array('stylePreview-' . $newStyle->styleID . $fileExtension, $newStyle->styleID));
}
}
// copy images
if ($this->styleEditor->imagePath && is_dir(WCF_DIR . $this->styleEditor->imagePath)) {
$path = FileUtil::removeTrailingSlash($this->styleEditor->imagePath);
$newPath = '';
$i = 2;
while (true) {
$newPath = "{$path}-{$i}/";
if (!file_exists(WCF_DIR . $newPath)) {
break;
}
$i++;
}
if (!FileUtil::makePath(WCF_DIR . $newPath)) {
$newPath = '';
}
if ($newPath) {
$src = FileUtil::addTrailingSlash(WCF_DIR . $this->styleEditor->imagePath);
$dst = WCF_DIR . $newPath;
$dir = opendir($src);
while (($file = readdir($dir)) !== false) {
if ($file != '.' && $file != '..' && !is_dir($file)) {
@copy($src . $file, $dst . $file);
}
}
closedir($dir);
}
$sql = "UPDATE\twcf" . WCF_N . "_style\n\t\t\t\tSET\timagePath = ?\n\t\t\t\tWHERE\tstyleID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($newPath, $newStyle->styleID));
}
StyleCacheBuilder::getInstance()->reset();
return array('redirectURL' => LinkHandler::getInstance()->getLink('StyleEdit', array('id' => $newStyle->styleID)));
}
/**
* Validates LESS-variable overrides.
*
* If an override is invalid, unknown or matches a variable covered by
* the style editor itself, it will be silently discarded.
*/
protected function parseOverrides()
{
// get available variables
$sql = "SELECT\tvariableName\n\t\t\tFROM\twcf" . WCF_N . "_style_variable";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute();
$variables = array();
while ($row = $statement->fetchArray()) {
$variables[] = $row['variableName'];
}
$lines = explode("\n", StringUtil::unifyNewlines($this->variables['overrideLess']));
$regEx = new Regex('^@([a-zA-Z]+): ?([@a-zA-Z0-9 ,\\.\\(\\)\\%\\#-]+);$');
$errors = array();
foreach ($lines as $index => &$line) {
$line = StringUtil::trim($line);
// ignore empty lines
if (empty($line)) {
unset($lines[$index]);
continue;
}
if ($regEx->match($line)) {
$matches = $regEx->getMatches();
// cannot override variables covered by style editor
if (in_array($matches[1], $this->colors) || in_array($matches[1], $this->globals) || in_array($matches[1], $this->specialVariables)) {
$errors[] = array('error' => 'predefined', 'text' => $matches[1]);
} else {
if (!in_array($matches[1], $variables)) {
// unknown style variable
$errors[] = array('error' => 'unknown', 'text' => $matches[1]);
} else {
$this->variables[$matches[1]] = $matches[2];
}
}
} else {
// not valid
$errors[] = array('error' => 'notValid', 'text' => $line);
}
}
$this->variables['overrideLess'] = implode("\n", $lines);
if (!empty($errors)) {
throw new UserInputException('overrideLess', $errors);
}
}
/**
* Parses the reply headers.
*/
private function parseReplyHeaders()
{
$headers = array();
$lastKey = '';
foreach ($this->replyHeaders as $header) {
if (strpos($header, ':') === false) {
$headers[trim($header)] = array(trim($header));
continue;
}
// 4.2 Header fields can be
// extended over multiple lines by preceding each extra line with at
// least one SP or HT.
if (ltrim($header, "\t ") !== $header) {
$headers[$lastKey][] = array_pop($headers[$lastKey]) . ' ' . trim($header);
} else {
list($key, $value) = explode(':', $header, 2);
$lastKey = $key;
if (!isset($headers[$key])) {
$headers[$key] = array();
}
$headers[$key][] = trim($value);
}
}
// 4.2 Field names are case-insensitive.
$this->replyHeaders = array_change_key_case($headers);
if (isset($this->replyHeaders['transfer-encoding'])) {
$this->replyHeaders['transfer-encoding'] = array(implode(',', $this->replyHeaders['transfer-encoding']));
}
$this->legacyHeaders = array_map('end', $headers);
// get status code
$statusLine = reset($this->replyHeaders);
$regex = new Regex('^HTTP/1.\\d+ +(\\d{3})');
if (!$regex->match($statusLine[0])) {
throw new SystemException("Unexpected status '" . $statusLine . "'");
}
$matches = $regex->getMatches();
$this->statusCode = $matches[1];
}
/**
* Exports users.
*/
public function exportUsers($offset, $limit)
{
// prepare password update
$sql = "UPDATE\twcf" . WCF_N . "_user\n\t\t\tSET\tpassword = ?\n\t\t\tWHERE\tuserID = ?";
$passwordUpdateStatement = WCF::getDB()->prepareStatement($sql);
$userIDs = $this->database->zrange('users:joindate', $offset, $offset + $limit);
if (!$userIDs) {
throw new SystemException('Could not fetch userIDs');
}
foreach ($userIDs as $userID) {
$row = $this->database->hgetall('user:'******'Invalid user');
}
$data = array('username' => $row['username'], 'password' => '', 'email' => $row['email'], 'registrationDate' => intval($row['joindate'] / 1000), 'banned' => $row['banned'] ? 1 : 0, 'banReason' => '', 'lastActivityTime' => intval($row['lastonline'] / 1000), 'signature' => self::convertMarkdown($row['signature']));
static $gravatarRegex = null;
if ($gravatarRegex === null) {
$gravatarRegex = new Regex('https://(?:secure\\.)?gravatar\\.com/avatar/([a-f0-9]{32})');
}
if ($gravatarRegex->match($row['picture'])) {
$matches = $gravatarRegex->getMatches();
if ($matches[1] === md5($row['email'])) {
$data['enableGravatar'] = 1;
}
}
$birthday = \DateTime::createFromFormat('m/d/Y', StringUtil::decodeHTML($row['birthday']));
// get user options
$options = array('birthday' => $birthday ? $birthday->format('Y-m-d') : '', 'homepage' => StringUtil::decodeHTML($row['website']), 'location' => StringUtil::decodeHTML($row['location']));
$additionalData = array('options' => $options);
$newUserID = ImportHandler::getInstance()->getImporter('com.woltlab.wcf.user')->import($row['uid'], $data, $additionalData);
// update password hash
if ($newUserID) {
$password = PasswordUtil::getSaltedHash($row['password'], $row['password']);
$passwordUpdateStatement->execute(array($password, $newUserID));
}
}
}
/**
* Parses the reply.
*/
private function parseReply() {
$headers = array();
foreach ($this->replyHeaders as $header) {
if (strpos($header, ':') === false) {
$headers[trim($header)] = trim($header);
continue;
}
list($key, $value) = explode(':', $header, 2);
$headers[$key] = trim($value);
}
$this->replyHeaders = $headers;
// get status code
$statusLine = reset($this->replyHeaders);
$regex = new Regex('^HTTP/1.(?:0|1) (\d{3})');
if (!$regex->match($statusLine)) throw new SystemException("Unexpected status '".$statusLine."'");
$matches = $regex->getMatches();
$this->statusCode = $matches[1];
// validate length
if (isset($this->replyHeaders['Content-Length'])) {
if (strlen($this->replyBody) != $this->replyHeaders['Content-Length']) {
throw new SystemException('Body length does not match length given in header');
}
}
// validate status code
switch ($this->statusCode) {
case '301':
case '302':
case '303':
case '307':
// redirect
if ($this->options['maxDepth'] <= 0) throw new SystemException("Got redirect status '".$this->statusCode."', but recursion level is exhausted");
$newRequest = clone $this;
$newRequest->options['maxDepth']--;
if ($this->statusCode != '307') {
$newRequest->options['method'] = 'GET';
$newRequest->postParameters = array();
$newRequest->addHeader('Content-length', '');
$newRequest->addHeader('Content-Type', '');
}
try {
$newRequest->setURL($this->replyHeaders['Location']);
}
catch (SystemException $e) {
throw new SystemException("Given redirect URL '".$this->replyHeaders['Location']."' is invalid. Probably the host is missing?", 0, $e);
}
$newRequest->execute();
$this->statusCode = $newRequest->statusCode;
$this->replyHeaders = $newRequest->replyHeaders;
$this->replyBody = $newRequest->replyBody;
return;
break;
case '200':
case '204':
// we are fine
break;
default:
throw new SystemException("Got status '".$this->statusCode."' and I don't know how to handle it");
break;
}
}
/**
* Returns the html for this provider.
*
* @param string $url
* @return string
*/
public function getOutput($url)
{
$lines = explode("\n", StringUtil::unifyNewlines($this->regex));
foreach ($lines as $line) {
$regex = new Regex($line);
if (!$regex->match($url)) {
continue;
}
$output = $this->html;
foreach ($regex->getMatches() as $name => $value) {
$output = str_replace('{$' . $name . '}', $value, $output);
}
return $output;
}
return '';
}
/**
* @see \wcf\system\bbcode\IBBCode::getParsedTag()
*/
public function getParsedTag(array $openingTag, $content, array $closingTag, BBCodeParser $parser)
{
if ($parser->getOutputType() == 'text/html') {
$parsedContent = Regex::compile('(?:\\s|<br />)*(\\[tr\\].*\\[/tr\\])(?:\\s|<br />)*', Regex::CASE_INSENSITIVE | Regex::DOT_ALL)->replace($content, '\\1');
// check syntax
$regex = new Regex('\\[/?t[rd]\\]', Regex::CASE_INSENSITIVE);
if ($regex->match($parsedContent, true)) {
$matches = $regex->getMatches();
$openTags = array();
$openTDs = 0;
$firstRowTDs = 0;
// parse tags
foreach ($matches[0] as $match) {
switch ($match) {
case '[td]':
if (end($openTags) !== '[tr]') {
return;
}
$openTags[] = $match;
$openTDs++;
break;
case '[/td]':
if (end($openTags) !== '[td]') {
return;
}
array_pop($openTags);
break;
case '[tr]':
if (!empty($openTags)) {
return;
}
$openTags[] = $match;
break;
case '[/tr]':
if (end($openTags) !== '[tr]') {
return;
}
array_pop($openTags);
// check that every row has got the same number of tds
if ($firstRowTDs === 0) {
$firstRowTDs = $openTDs;
}
if ($openTDs !== $firstRowTDs) {
return;
}
$openTDs = 0;
break;
}
}
if (!empty($openTags)) {
return;
}
} else {
return '';
}
// tr
$parsedContent = Regex::compile('\\[tr\\](?:\\s|<br />)*', Regex::CASE_INSENSITIVE)->replace($parsedContent, '<tr>');
// td
$parsedContent = str_ireplace('[td]', '<td>', $parsedContent);
// /td
$parsedContent = Regex::compile('\\[/td\\](?:\\s|<br />)*', Regex::CASE_INSENSITIVE)->replace($parsedContent, '</td>');
// /tr
$parsedContent = Regex::compile('\\[/tr\\](?:\\s|<br />)*', Regex::CASE_INSENSITIVE)->replace($parsedContent, '</tr>');
return '<div class="container bbcodeTable"><table class="table responsiveTable"><tbody>' . $parsedContent . '</tbody></table></div>';
} else {
if ($parser->getOutputType() == 'text/simplified-html') {
// remove table tags
$content = str_ireplace('[td]', '* ', $content);
$content = str_ireplace('[/td]', ' ', $content);
$content = str_ireplace('[tr]', '', $content);
$content = str_ireplace('[/tr]', '', $content);
return $content;
}
}
}
/**
* @see \wcf\page\IPage::readData()
*/
public function readData()
{
AbstractPage::readData();
$fileNameRegex = new Regex('(?:^|/)\\d{4}-\\d{2}-\\d{2}\\.txt$');
$this->logFiles = DirectoryUtil::getInstance(WCF_DIR . 'log/')->getFiles(SORT_DESC, $fileNameRegex);
if ($this->exceptionID) {
// search the appropriate file
foreach ($this->logFiles as $logFile) {
$contents = file_get_contents($logFile);
if (mb_strpos($contents, '<<<<<<<<' . $this->exceptionID . '<<<<') !== false) {
$fileNameRegex->match($logFile);
$matches = $fileNameRegex->getMatches();
$this->logFile = $matches[0];
break;
}
unset($contents);
}
if (!isset($contents)) {
$this->logFile = '';
return;
}
} else {
if ($this->logFile) {
if (!$fileNameRegex->match(basename($this->logFile))) {
throw new IllegalLinkException();
}
if (!file_exists(WCF_DIR . 'log/' . $this->logFile)) {
throw new IllegalLinkException();
}
$contents = file_get_contents(WCF_DIR . 'log/' . $this->logFile);
} else {
return;
}
}
// unify newlines
$contents = StringUtil::unifyNewlines($contents);
// split contents
$split = new Regex('(?:^|\\n<<<<\\n\\n)(?:<<<<<<<<([a-f0-9]{40})<<<<\\n|$)');
$contents = $split->split($contents, Regex::SPLIT_NON_EMPTY_ONLY | Regex::CAPTURE_SPLIT_DELIMITER);
// even items become keys, odd items become values
try {
$this->exceptions = call_user_func_array('array_merge', array_map(function ($v) {
return array($v[0] => $v[1]);
}, array_chunk($contents, 2)));
} catch (\Exception $e) {
// logfile contents are pretty malformed, abort
return;
}
if ($this->exceptionID) {
$this->searchPage($this->exceptionID);
}
$this->calculateNumberOfPages();
$i = 0;
$exceptionRegex = new Regex('(?P<date>[MTWFS][a-z]{2}, \\d{1,2} [JFMASOND][a-z]{2} \\d{4} \\d{2}:\\d{2}:\\d{2} [+-]\\d{4})
Message: (?P<message>.*?)
File: (?P<file>.*?) \\((?P<line>\\d+)\\)
PHP version: (?P<phpVersion>.*?)
WCF version: (?P<wcfVersion>.*?)
Request URI: (?P<requestURI>.*?)
Referrer: (?P<referrer>.*?)
User-Agent: (?P<userAgent>.*?)
Information: (?P<information>.*?)
Stacktrace:
(?P<stacktrace>.*)', Regex::DOT_ALL);
$stackTraceFormatter = new Regex('^\\s+(#\\d+)', Regex::MULTILINE);
foreach ($this->exceptions as $key => $val) {
$i++;
if ($i < $this->startIndex || $i > $this->endIndex) {
unset($this->exceptions[$key]);
continue;
}
if (!$exceptionRegex->match($val)) {
unset($this->exceptions[$key]);
continue;
}
$this->exceptions[$key] = $exceptionRegex->getMatches();
$this->exceptions[$key]['stacktrace'] = explode("\n", $stackTraceFormatter->replace(StringUtil::encodeHTML($this->exceptions[$key]['stacktrace']), '<strong>\\1</strong>'));
$this->exceptions[$key]['information'] = JSON::decode($this->exceptions[$key]['information']);
}
}
/**
* @see \wcf\system\event\listener\IParameterizedEventListener::execute()
*/
public function execute($eventObj, $className, $eventName, array &$parameters)
{
if (!$eventObj->text) {
return;
}
// check if needed url BBCode is allowed
if ($eventObj->allowedBBCodes !== null && !BBCode::isAllowedBBCode('url', $eventObj->allowedBBCodes)) {
return;
}
static $userRegex = null;
if ($userRegex === null) {
$userRegex = new Regex("\n\t\t\t\t(?:^|(?<=\\s|\\]))\t\t\t\t\t# either at start of string, or after whitespace\n\t\t\t\t@\n\t\t\t\t(\n\t\t\t\t\t([^',\\s][^,\\s]{2,})(?:\\s[^,\\s]+)?\t# either at most two strings, not containing\n\t\t\t\t\t\t\t\t\t\t# whitespace or the comma, not starting with a single quote\n\t\t\t\t\t\t\t\t\t\t# separated by a single whitespace character\n\t\t\t\t|\n\t\t\t\t\t'(?:''|[^']){3,}'\t\t\t# or a string delimited by single quotes\n\t\t\t\t)\n\t\t\t", Regex::IGNORE_WHITESPACE);
}
// cache quotes
// @see \wcf\system\bbcode\BBCodeParser::buildTagArray()
$pattern = '~\\[(?:/(?:quote)|(?:quote)
(?:=
(?:\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|[^,\\]]*)
(?:,(?:\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|[^,\\]]*))*
)?)\\]~ix';
preg_match_all($pattern, $eventObj->text, $quoteMatches);
$textArray = preg_split($pattern, $eventObj->text);
$text = $textArray[0];
$openQuotes = 0;
$quote = '';
foreach ($quoteMatches[0] as $i => $quoteTag) {
if (mb_substr($quoteTag, 1, 1) == '/') {
$openQuotes--;
$quote .= $quoteTag;
if ($openQuotes) {
$quote .= $textArray[$i + 1];
} else {
$text .= StringStack::pushToStringStack($quote, 'preParserUserMentions', '@@@') . $textArray[$i + 1];
$quote = '';
}
} else {
$openQuotes++;
$quote .= $quoteTag . $textArray[$i + 1];
}
}
if ($quote) {
$text .= $quote;
}
$userRegex->match($text, true, Regex::ORDER_MATCH_BY_SET);
$matches = $userRegex->getMatches();
if (!empty($matches)) {
$usernames = array();
foreach ($matches as $match) {
// we don't care about the full match
array_shift($match);
foreach ($match as $username) {
$username = self::getUsername($username);
if (!in_array($username, $usernames)) {
$usernames[] = $username;
}
}
}
if (!empty($usernames)) {
// fetch users
$userList = new UserList();
$userList->getConditionBuilder()->add('user_table.username IN (?)', array($usernames));
$userList->readObjects();
$users = array();
foreach ($userList as $user) {
$users[mb_strtolower($user->username)] = $user;
}
$text = $userRegex->replace($text, new Callback(function ($matches) use($users) {
// containing the full match
$usernames = array($matches[1]);
// containing only the part before the first space
if (isset($matches[2])) {
$usernames[] = $matches[2];
}
$usernames = array_map(array('\\wcf\\system\\event\\listener\\PreParserAtUserListener', 'getUsername'), $usernames);
foreach ($usernames as $username) {
if (!isset($users[$username])) {
continue;
}
$link = LinkHandler::getInstance()->getLink('User', array('appendSession' => false, 'object' => $users[$username]));
$mention = "[url='" . $link . "']@" . $users[$username]->username . '[/url]';
// check if only the part before the first space matched, in that case append the second word
if (isset($matches[2]) && strcasecmp($matches[2], $username) === 0) {
$mention .= mb_substr($matches[1], strlen($matches[2]));
}
return $mention;
}
return $matches[0];
}));
}
}
// reinsert cached quotes
$eventObj->text = StringStack::reinsertStrings($text, 'preParserUserMentions');
}
/**
* Copies a style.
*
* @return array<string>
*/
public function copy() {
// get unique style name
$sql = "SELECT styleName
FROM wcf".WCF_N."_style
WHERE styleName LIKE ?
AND styleID <> ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array(
$this->styleEditor->styleName.'%',
$this->styleEditor->styleID
));
$numbers = array();
$regEx = new Regex('\((\d+)\)$');
while ($row = $statement->fetchArray()) {
$styleName = $row['styleName'];
if ($regEx->match($styleName)) {
$matches = $regEx->getMatches();
// check if name matches the pattern 'styleName (x)'
if ($styleName == $this->styleEditor->styleName . ' ('.$matches[1].')') {
$numbers[] = $matches[1];
}
}
}
$number = (count($numbers)) ? max($numbers) + 1 : 2;
$styleName = $this->styleEditor->styleName . ' ('.$number.')';
// create the new style
$newStyle = StyleEditor::create(array(
'packageID' => PACKAGE_ID,
'styleName' => $styleName,
'templateGroupID' => $this->styleEditor->templateGroupID,
'isDisabled' => 1, // newly created styles are disabled by default
'styleDescription' => $this->styleEditor->styleDescription,
'styleVersion' => $this->styleEditor->styleVersion,
'styleDate' => $this->styleEditor->styleDate,
'copyright' => $this->styleEditor->copyright,
'license' => $this->styleEditor->license,
'authorName' => $this->styleEditor->authorName,
'authorURL' => $this->styleEditor->authorURL,
'imagePath' => $this->styleEditor->imagePath
));
// copy style variables
$sql = "INSERT INTO wcf".WCF_N."_style_variable_value
(styleID, variableID, variableValue)
SELECT ".$newStyle->styleID." AS styleID, value.variableID, value.variableValue
FROM wcf".WCF_N."_style_variable_value value
WHERE value.styleID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->styleEditor->styleID));
// copy preview image
if ($this->styleEditor->image) {
// get extension
$fileExtension = StringUtil::substring($this->styleEditor->image, StringUtil::lastIndexOf($this->styleEditor->image, '.'));
// copy existing preview image
if (@copy(WCF_DIR.'images/'.$this->styleEditor->image, WCF_DIR.'images/stylePreview-'.$newStyle->styleID.$fileExtension)) {
// bypass StyleEditor::update() to avoid scaling of already fitting image
$sql = "UPDATE wcf".WCF_N."_style
SET image = ?
WHERE styleID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array(
'stylePreview-'.$newStyle->styleID.$fileExtension,
$newStyle->styleID
));
}
}
return array(
'redirectURL' => LinkHandler::getInstance()->getLink('StyleEdit', array('id' => $newStyle->styleID))
);
}
/**
* Handles the given range options.
*/
protected function handleRange()
{
$this->startByte = 0;
$this->endByte = $this->options['filesize'] - 1;
if ($this->options['enableRangeSupport']) {
if (!empty($_SERVER['HTTP_RANGE'])) {
$regex = new Regex('^bytes=(-?\\d+)(?:-(\\d+))?$');
if ($regex->match($_SERVER['HTTP_RANGE'])) {
$matches = $regex->getMatches();
$first = intval($matches[1]);
$last = isset($matches[2]) ? intval($matches[2]) : 0;
if ($first < 0) {
// negative value; subtract from filesize
$this->startByte = $this->options['filesize'] + $first;
} else {
$this->startByte = $first;
if ($last > 0) {
$this->endByte = $last;
}
}
}
}
}
}
/**
* Creates a new instance of memcached.
*/
public function __construct()
{
if (!class_exists('Memcached')) {
throw new SystemException('memcached support is not enabled.');
}
if (!defined('\\Memcached::OPT_REMOVE_FAILED_SERVERS')) {
throw new SystemException('required \\Memcached::OPT_REMOVE_FAILED_SERVERS option is not available');
}
// init memcached
$this->memcached = new \Memcached();
// disable broken hosts for the remainder of the execution
// Note: This may cause outdated entries once the affected memcached
// server comes back online. But it is better than completely bailing out.
// If the outage wasn't solely related to networking the cache is flushed
// on restart of the affected memcached instance anyway.
$this->memcached->setOption(\Memcached::OPT_REMOVE_FAILED_SERVERS, 1);
// LIBKETAMA_COMPATIBLE uses consistent hashing, which causes fewer remaps
// in case a server is added or removed.
$this->memcached->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true);
$this->memcached->setOption(\Memcached::OPT_PREFIX_KEY, WCF_UUID . '_');
if (!WCF::debugModeIsEnabled()) {
// use the more efficient binary protocol to communicate with the memcached instance
// this option is disabled in debug mode to allow for easier debugging
// with tools, such as strace(1)
$this->memcached->setOption(\Memcached::OPT_BINARY_PROTOCOL, true);
}
// add servers
$tmp = explode("\n", StringUtil::unifyNewlines(CACHE_SOURCE_MEMCACHED_HOST));
$servers = array();
$defaultWeight = floor(100 / count($tmp));
$regex = new Regex('^\\[([a-z0-9\\:\\.]+)\\](?::([0-9]{1,5}))?(?::([0-9]{1,3}))?$', Regex::CASE_INSENSITIVE);
foreach ($tmp as $server) {
$server = StringUtil::trim($server);
if (!empty($server)) {
$host = $server;
$port = 11211;
// default memcached port
$weight = $defaultWeight;
// check for IPv6
if ($regex->match($host)) {
$matches = $regex->getMatches();
$host = $matches[1];
if (isset($matches[2])) {
$port = $matches[2];
}
if (isset($matches[3])) {
$weight = $matches[3];
}
} else {
// IPv4, try to get port and weight
if (strpos($host, ':')) {
$parsedHost = explode(':', $host);
$host = $parsedHost[0];
$port = $parsedHost[1];
if (isset($parsedHost[2])) {
$weight = $parsedHost[2];
}
}
}
$servers[] = array($host, $port, $weight);
}
}
$this->memcached->addServers($servers);
// test connection, set will fail if no memcached instances are available
// if only the target for the 'connection_testing' key is unavailable the
// requests will automatically be mapped to another server
if (!$this->memcached->set('connection_testing', true)) {
throw new SystemException('Unable to obtain any valid connection');
}
}
/**
* Fixes markup that every line has proper number of opening and closing tags
*
* @param array<string> $lines
*/
public static function fixMarkup(array $lines)
{
static $spanRegex = null;
static $emptyTagRegex = null;
if ($spanRegex === null) {
$spanRegex = new Regex('(?:<span(?: class="(?:[^"])*")?>|</span>)');
$emptyTagRegex = new Regex('<span(?: class="(?:[^"])*")?></span>');
}
$openTags = array();
foreach ($lines as &$line) {
$spanRegex->match($line, true);
// open all tags again
$line = implode('', $openTags) . $line;
$matches = $spanRegex->getMatches();
// parse opening and closing spans
foreach ($matches[0] as $match) {
if ($match === '</span>') {
array_pop($openTags);
} else {
array_push($openTags, $match);
}
}
// close all tags
$line .= str_repeat('</span>', count($openTags));
// remove empty tags to avoid cluttering the output
$line = $emptyTagRegex->replace($line, '');
}
unset($line);
return $lines;
}