public static function makeTitleValid($text)
{
$text = self::stripWikitext($text);
$text = html_entity_decode($text, ENT_QUOTES, 'UTF-8');
static $rxTc;
if (is_callable('MediaWikiTitleCodec::getTitleInvalidRegex')) {
$rxTc = MediaWikiTitleCodec::getTitleInvalidRegex();
} elseif (is_callable(array('Title', 'getTitleInvalidRegex'))) {
// Pre-1.25 compat
$rxTc = Title::getTitleInvalidRegex();
} elseif (!$rxTc) {
// Back-compat
$rxTc = '/' . '[^' . Title::legalChars() . ']' . '|%[0-9A-Fa-f]{2}' . '|&[A-Za-z0-9\\x80-\\xff]+;' . '|&#[0-9]+;' . '|&#x[0-9A-Fa-f]+;' . '/S';
}
$text = preg_replace($rxTc, '_', $text);
return $text;
}
/**
* Returns true if a language code string is of a valid form, whether or
* not it exists. This includes codes which are used solely for
* customisation via the MediaWiki namespace.
*
* @param string $code
*
* @return bool
*/
public static function isValidCode($code)
{
static $cache = array();
if (isset($cache[$code])) {
return $cache[$code];
}
// People think language codes are html safe, so enforce it.
// Ideally we should only allow a-zA-Z0-9-
// but, .+ and other chars are often used for {{int:}} hacks
// see bugs 37564, 37587, 36938
$cache[$code] = strcspn($code, ":/\\&<>'\"") === strlen($code) && !preg_match(Title::getTitleInvalidRegex(), $code);
return $cache[$code];
}
/**
* Returns true if a language code string is of a valid form, whether or
* not it exists. This includes codes which are used solely for
* customisation via the MediaWiki namespace.
*
* @param $code string
*
* @return bool
*/
public static function isValidCode($code)
{
return strcspn($code, ":/\\&<>'\"") === strlen($code) && !preg_match(Title::getTitleInvalidRegex(), $code);
}
/**
* Sanitize text for use as filename and article title
* @param string $titleText title to sanitize
* @param string $replaceChar character to replace illegal characters with
* @return string sanitized title
*/
public static function sanitizeTitle($titleText, $replaceChar = ' ')
{
wfProfileIn(__METHOD__);
foreach (self::$ILLEGAL_TITLE_CHARS as $illegalChar) {
$titleText = str_replace($illegalChar, $replaceChar, $titleText);
}
$titleText = preg_replace(Title::getTitleInvalidRegex(), $replaceChar, $titleText);
// remove multiple spaces
$aTitle = explode($replaceChar, $titleText);
$sTitle = implode($replaceChar, array_filter($aTitle));
// array_filter() removes null elements
$sTitle = substr($sTitle, 0, self::$IMAGE_NAME_MAX_LENGTH);
// DB column Image.img_name has size 255
wfProfileOut(__METHOD__);
return trim($sTitle);
/*
// remove all characters that are not alphanumeric.
$sanitized = preg_replace( '/[^[:alnum:]]{1,}/', $replaceChar, $titleText );
return $sanitized;
*/
}
private function validateBoardData($boardTitle, $boardDescription)
{
$this->status = 'error';
$this->errorfield = '';
$this->errormsg = '';
// Trim spaces (CONN-167)
$boardTitle = WikiaSanitizer::unicodeTrim($boardTitle);
$boardDescription = WikiaSanitizer::unicodeTrim($boardDescription);
// Reject illegal characters.
$rxTc = Title::getTitleInvalidRegex();
if (preg_match($rxTc, $boardTitle) || is_null(Title::newFromText($boardTitle))) {
$this->errorfield = 'boardTitle';
$this->errormsg = wfMessage('forum-board-title-validation-invalid')->escaped();
return false;
}
$forum = new Forum();
if ($forum->validateLength($boardTitle, 'title') !== Forum::LEN_OK) {
$this->errorfield = 'boardTitle';
$this->errormsg = wfMessage('forum-board-title-validation-length')->escaped();
return false;
}
if ($forum->validateLength($boardDescription, 'desc') !== Forum::LEN_OK) {
$this->errorfield = 'boardDescription';
$this->errormsg = wfMessage('forum-board-description-validation-length')->escaped();
return false;
}
return true;
}
protected function sanitizeTitle($name)
{
wfProfileIn(__METHOD__);
// sanitize title
$name = preg_replace(Title::getTitleInvalidRegex(), ' ', $name);
// get rid of slashes. these are technically allowed in article
// titles, but they refer to subpages, which videos don't have
$name = str_replace('/', ' ', $name);
$name = str_replace(' ', ' ', $name);
$name = substr($name, 0, self::MAX_TITLE_LENGTH);
// DB column Image.img_name has size 255
$title = Title::makeTitleSafe(NS_VIDEO, $name);
wfProfileOut(__METHOD__);
return $title;
}
/**
* Normalizes and splits a title string.
*
* This function removes illegal characters, splits off the interwiki and
* namespace prefixes, sets the other forms, and canonicalizes
* everything.
*
* @todo this method is only exposed as a temporary measure to ease refactoring.
* It was copied with minimal changes from Title::secureAndSplit().
*
* @todo This method should be split up and an appropriate interface
* defined for use by the Title class.
*
* @param string $text
* @param int $defaultNamespace
*
* @throws MalformedTitleException If $text is not a valid title string.
* @return array A mapp with the fields 'interwiki', 'fragment', 'namespace',
* 'user_case_dbkey', and 'dbkey'.
*/
public function splitTitleString($text, $defaultNamespace = NS_MAIN)
{
$dbkey = str_replace(' ', '_', $text);
# Initialisation
$parts = array('interwiki' => '', 'local_interwiki' => false, 'fragment' => '', 'namespace' => $defaultNamespace, 'dbkey' => $dbkey, 'user_case_dbkey' => $dbkey);
# Strip Unicode bidi override characters.
# Sometimes they slip into cut-n-pasted page titles, where the
# override chars get included in list displays.
$dbkey = preg_replace('/\\xE2\\x80[\\x8E\\x8F\\xAA-\\xAE]/S', '', $dbkey);
# Clean up whitespace
# Note: use of the /u option on preg_replace here will cause
# input with invalid UTF-8 sequences to be nullified out in PHP 5.2.x,
# conveniently disabling them.
$dbkey = preg_replace('/[ _\\xA0\\x{1680}\\x{180E}\\x{2000}-\\x{200A}\\x{2028}\\x{2029}\\x{202F}\\x{205F}\\x{3000}]+/u', '_', $dbkey);
$dbkey = trim($dbkey, '_');
if (strpos($dbkey, UTF8_REPLACEMENT) !== false) {
# Contained illegal UTF-8 sequences or forbidden Unicode chars.
throw new MalformedTitleException('Bad UTF-8 sequences found in title: ' . $text);
}
$parts['dbkey'] = $dbkey;
# Initial colon indicates main namespace rather than specified default
# but should not create invalid {ns,title} pairs such as {0,Project:Foo}
if ($dbkey !== '' && ':' == $dbkey[0]) {
$parts['namespace'] = NS_MAIN;
$dbkey = substr($dbkey, 1);
# remove the colon but continue processing
$dbkey = trim($dbkey, '_');
# remove any subsequent whitespace
}
if ($dbkey == '') {
throw new MalformedTitleException('Empty title: ' . $text);
}
# Namespace or interwiki prefix
$prefixRegexp = "/^(.+?)_*:_*(.*)\$/S";
do {
$m = array();
if (preg_match($prefixRegexp, $dbkey, $m)) {
$p = $m[1];
if (($ns = $this->language->getNsIndex($p)) !== false) {
# Ordinary namespace
$dbkey = $m[2];
$parts['namespace'] = $ns;
# For Talk:X pages, check if X has a "namespace" prefix
if ($ns == NS_TALK && preg_match($prefixRegexp, $dbkey, $x)) {
if ($this->language->getNsIndex($x[1])) {
# Disallow Talk:File:x type titles...
throw new MalformedTitleException('Bad namespace prefix: ' . $text);
} elseif (Interwiki::isValidInterwiki($x[1])) {
//TODO: get rid of global state!
# Disallow Talk:Interwiki:x type titles...
throw new MalformedTitleException('Interwiki prefix found in title: ' . $text);
}
}
} elseif (Interwiki::isValidInterwiki($p)) {
# Interwiki link
$dbkey = $m[2];
$parts['interwiki'] = $this->language->lc($p);
# Redundant interwiki prefix to the local wiki
foreach ($this->localInterwikis as $localIW) {
if (0 == strcasecmp($parts['interwiki'], $localIW)) {
if ($dbkey == '') {
# Empty self-links should point to the Main Page, to ensure
# compatibility with cross-wiki transclusions and the like.
$mainPage = Title::newMainPage();
return array('interwiki' => $mainPage->getInterwiki(), 'local_interwiki' => true, 'fragment' => $mainPage->getFragment(), 'namespace' => $mainPage->getNamespace(), 'dbkey' => $mainPage->getDBkey(), 'user_case_dbkey' => $mainPage->getUserCaseDBKey());
}
$parts['interwiki'] = '';
# local interwikis should behave like initial-colon links
$parts['local_interwiki'] = true;
# Do another namespace split...
continue 2;
}
}
# If there's an initial colon after the interwiki, that also
# resets the default namespace
if ($dbkey !== '' && $dbkey[0] == ':') {
$parts['namespace'] = NS_MAIN;
$dbkey = substr($dbkey, 1);
}
}
# If there's no recognized interwiki or namespace,
# then let the colon expression be part of the title.
}
break;
} while (true);
$fragment = strstr($dbkey, '#');
if (false !== $fragment) {
$parts['fragment'] = str_replace('_', ' ', substr($fragment, 1));
$dbkey = substr($dbkey, 0, strlen($dbkey) - strlen($fragment));
# remove whitespace again: prevents "Foo_bar_#"
# becoming "Foo_bar_"
$dbkey = preg_replace('/_*$/', '', $dbkey);
}
# Reject illegal characters.
$rxTc = Title::getTitleInvalidRegex();
if (preg_match($rxTc, $dbkey)) {
throw new MalformedTitleException('Illegal characters found in title: ' . $text);
}
# Pages with "/./" or "/../" appearing in the URLs will often be un-
# reachable due to the way web browsers deal with 'relative' URLs.
# Also, they conflict with subpage syntax. Forbid them explicitly.
if (strpos($dbkey, '.') !== false && ($dbkey === '.' || $dbkey === '..' || strpos($dbkey, './') === 0 || strpos($dbkey, '../') === 0 || strpos($dbkey, '/./') !== false || strpos($dbkey, '/../') !== false || substr($dbkey, -2) == '/.' || substr($dbkey, -3) == '/..')) {
throw new MalformedTitleException('Bad title: ' . $text);
}
# Magic tilde sequences? Nu-uh!
if (strpos($dbkey, '~~~') !== false) {
throw new MalformedTitleException('Bad title: ' . $text);
}
# Limit the size of titles to 255 bytes. This is typically the size of the
# underlying database field. We make an exception for special pages, which
# don't need to be stored in the database, and may edge over 255 bytes due
# to subpage syntax for long titles, e.g. [[Special:Block/Long name]]
if ($parts['namespace'] != NS_SPECIAL && strlen($dbkey) > 255 || strlen($dbkey) > 512) {
throw new MalformedTitleException('Title too long: ' . substr($dbkey, 0, 255) . '...');
}
# Normally, all wiki links are forced to have an initial capital letter so [[foo]]
# and [[Foo]] point to the same place. Don't force it for interwikis, since the
# other site might be case-sensitive.
$parts['user_case_dbkey'] = $dbkey;
if ($parts['interwiki'] === '') {
$dbkey = Title::capitalize($dbkey, $parts['namespace']);
}
# Can't make a link to a namespace alone... "empty" local links can only be
# self-links with a fragment identifier.
if ($dbkey == '' && $parts['interwiki'] === '') {
if ($parts['namespace'] != NS_MAIN) {
throw new MalformedTitleException('Empty title: ' . $text);
}
}
// Allow IPv6 usernames to start with '::' by canonicalizing IPv6 titles.
// IP names are not allowed for accounts, and can only be referring to
// edits from the IP. Given '::' abbreviations and caps/lowercaps,
// there are numerous ways to present the same IP. Having sp:contribs scan
// them all is silly and having some show the edits and others not is
// inconsistent. Same for talk/userpages. Keep them normalized instead.
if ($parts['namespace'] == NS_USER || $parts['namespace'] == NS_USER_TALK) {
$dbkey = IP::sanitizeIP($dbkey);
}
// Any remaining initial :s are illegal.
if ($dbkey !== '' && ':' == $dbkey[0]) {
throw new MalformedTitleException('Title must not start with a colon: ' . $text);
}
# Fill fields
$parts['dbkey'] = $dbkey;
return $parts;
}
function expandTemplate($bits, $deps)
{
global $wgContLang;
$args = $bits['parts'];
$part1Expr = $this->expand($bits['title'], $deps);
$functionName = false;
$part1Literal = false;
$invalidTitle = false;
if ($part1Expr->op === 'concat' && $part1Expr->args[0]->op === 'literal') {
$part1LeadString = $part1Expr->args[0]->args[0];
$colonPos = strpos($part1LeadString, ':');
if ($colonPos !== false) {
$functionName = ltrim(substr($part1LeadString, 0, $colonPos));
$arg1Expr = clone $part1Expr;
if ($colonPos == strlen($part1LeadString) - 1) {
array_shift($arg1Expr->args);
} else {
$arg1Expr->args[0] = $this->newLiteral(substr($part1LeadString, $colonPos + 1));
}
}
if (preg_match(Title::getTitleInvalidRegex(), ltrim($part1LeadString))) {
$invalidTitle = true;
}
} elseif ($part1Expr->op === 'literal') {
$part1Literal = $part1Expr->args[0];
$colonPos = strpos($part1Literal, ':');
if ($colonPos !== false) {
$functionName = substr($part1Literal, 0, $colonPos);
$arg1Expr = $this->newLiteral(substr($part1Literal, $colonPos + 1));
}
}
if ($functionName !== false) {
if (isset($this->parser->mFunctionSynonyms[1][$functionName])) {
$funcWordId = $this->parser->mFunctionSynonyms[1][$functionName];
} else {
$functionName = $wgContLang->lc($functionName);
if (isset($this->parser->mFunctionSynonyms[0][$functionName])) {
$funcWordId = $this->parser->mFunctionSynonyms[0][$functionName];
} else {
$funcWordId = false;
}
}
if ($funcWordId !== false) {
$funcLuaId = $this->parserFunctionToIdentifier($funcWordId);
$funcArgs = array($arg1Expr);
for ($i = 0; $i < $args->getLength(); $i++) {
$funcArgs[] = $this->expand($args->item($i), $deps);
}
return $this->newParserFunctionCall($funcLuaId, $funcArgs, $deps);
}
}
if ($part1Literal !== false) {
$title = Title::newFromText($part1Literal, NS_TEMPLATE);
if ($title) {
// Register the template in $deps for later expansion
$deps->addTemplate($title->getPrefixedDBkey());
$fname = $this->titleToIdentifier($title);
}
} elseif ($invalidTitle) {
$title = false;
} else {
$title = Title::newFromText('dynamic');
}
if (!$title) {
// Invalid title
$tplFrame = $this->preprocessor->newFrame();
$origNode = $tplFrame->virtualBracketedImplode('{{', '|', '}}', $bits['title'], $args);
return $this->expand($origNode, $deps);
}
// Create a call to the template function
$parentTplFrame = $this->preprocessor->newFrame();
$tplFrame = $parentTplFrame->newChild($args, $title);
$templateArgs = array();
foreach ($tplFrame->numberedArgs as $i => $arg) {
$expr = $this->newTrim($this->expand($arg, $deps), $deps);
$templateArgs[$i] = $expr;
}
foreach ($tplFrame->namedArgs as $name => $arg) {
$expr = $this->expand($arg, $deps);
$templateArgs[$name] = $expr;
}
if ($part1Literal === false) {
// Do a dynamic call
$funcArgs = array($this->newLiteral('mw_dynamic_template'), $this->newTrim($part1Expr, $deps), $this->newHash($templateArgs));
return $this->newExpression('call', $funcArgs);
} else {
// Do a regular call
$funcArgs = array($this->newLiteral($fname), $this->newHash($templateArgs));
return $this->newExpression('call', $funcArgs);
}
}