/**
* @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');
}
/**
* Handles pre-parsing of URLs.
*/
protected function parseURLs()
{
static $urlPattern = null;
static $callback = null;
if ($urlPattern === null) {
$urlPattern = new Regex('
(?<!\\B|"|\'|=|/|,|\\?|\\.)
(?: # hostname
(?:ftp|https?)://' . static::$illegalChars . '(?:\\.' . static::$illegalChars . ')*
|
www\\.(?:' . static::$illegalChars . '\\.)+
(?:[a-z]{2,63}(?=\\b)) # tld
)
(?::\\d+)? # port
(?:
/
[^!.,?;"\'<>()\\[\\]{}\\s]*
(?:
[!.,?;(){}]+ [^!.,?;"\'<>()\\[\\]{}\\s]+
)*
)?', Regex::IGNORE_WHITESPACE | Regex::CASE_INSENSITIVE);
}
if ($callback === null) {
$callback = new Callback(function ($matches) {
if ((PreParser::getInstance()->allowedBBCodes === null || BBCode::isAllowedBBCode('media', PreParser::getInstance()->allowedBBCodes)) && BBCodeMediaProvider::isMediaURL($matches[0])) {
return '[media]' . $matches[0] . '[/media]';
}
if (PreParser::getInstance()->allowedBBCodes === null || BBCode::isAllowedBBCode('url', PreParser::getInstance()->allowedBBCodes)) {
return '[url]' . $matches[0] . '[/url]';
}
return $matches[0];
});
}
$this->text = $urlPattern->replace($this->text, $callback);
}
/**
* @see \wcf\form\IForm::validate()
*/
public function validate()
{
parent::validate();
// tag name must not be empty
if (empty($this->bbcodeTag)) {
throw new UserInputException('bbcodeTag');
}
// tag may only contain alphanumeric chars
if (!Regex::compile('^[a-z0-9]+$', Regex::CASE_INSENSITIVE)->match($this->bbcodeTag)) {
throw new UserInputException('bbcodeTag', 'notValid');
}
// disallow the Pseudo-BBCodes all and none
if ($this->bbcodeTag == 'all' || $this->bbcodeTag == 'none') {
throw new UserInputException('bbcodeTag', 'notValid');
}
// check whether the tag is in use
$bbcode = BBCode::getBBCodeByTag($this->bbcodeTag);
if (!isset($this->bbcode) && $bbcode->bbcodeID || isset($this->bbcode) && $bbcode->bbcodeID != $this->bbcode->bbcodeID) {
throw new UserInputException('bbcodeTag', 'inUse');
}
// handle empty case first
if (empty($this->allowedChildren)) {
throw new UserInputException('allowedChildren');
}
// validate syntax of allowedChildren: Optional all|none^ followed by a comma-separated list of bbcodes
if (!empty($this->allowedChildren) && !Regex::compile('^(?:(?:all|none)\\^)?(?:[a-zA-Z0-9]+,)*[a-zA-Z0-9]+$')->match($this->allowedChildren)) {
throw new UserInputException('allowedChildren', 'notValid');
}
// validate class
if (!empty($this->className) && !class_exists($this->className)) {
throw new UserInputException('className', 'notFound');
}
// validate attributes
foreach ($this->attributes as $attribute) {
// Check whether the pattern is a valid regex
if (!Regex::compile($attribute->validationPattern)->isValid()) {
throw new UserInputException('attributeValidationPattern' . $attribute->attributeNo, 'notValid');
}
}
// button
if ($this->showButton) {
// validate label
if (!I18nHandler::getInstance()->validateValue('buttonLabel')) {
if (I18nHandler::getInstance()->isPlainValue('buttonLabel')) {
throw new UserInputException('buttonLabel');
} else {
throw new UserInputException('buttonLabel', 'multilingual');
}
}
// validate image path
if (empty($this->wysiwygIcon)) {
throw new UserInputException('wysiwygIcon');
}
} else {
$this->buttonLabel = '';
}
}