/**
* Checks if the request provided to the constructor is valid.
*
* @return bool True if all prerequisites are met
*/
protected function setup()
{
wfProfileIn(__METHOD__);
global $wgContLang, $wgCapitalLinks;
//Sanitize input data
$oldnamePar = trim(str_replace('_', ' ', $this->mRequestData->oldUsername));
$oldTitle = Title::makeTitle(NS_USER, $oldnamePar);
// Force uppercase of newusername, otherwise wikis with wgCapitalLinks=false can create lc usernames
$newTitle = Title::makeTitleSafe(NS_USER, $wgContLang->ucfirst($this->mRequestData->newUsername));
$oun = is_object($oldTitle) ? $oldTitle->getText() : '';
$nun = is_object($newTitle) ? $newTitle->getText() : '';
$this->addInternalLog("title: old={$oun} new={$nun}");
//AntiSpoof test
if (class_exists('SpoofUser')) {
$oNewSpoofUser = new SpoofUser($nun);
if (!$oNewSpoofUser->isLegal()) {
$this->addWarning(wfMessage('userrenametool-error-antispoof-conflict', $nun));
}
} else {
$this->addError(wfMessage('userrenametool-error-antispoof-notinstalled'));
}
//Phalanx test
$warning = RenameUserHelper::testBlock($oun);
if (!empty($warning)) {
$this->addWarning($warning);
}
$warning = RenameUserHelper::testBlock($nun);
if (!empty($warning)) {
$this->addWarning($warning);
}
//Invalid old user name entered
if (!$oun) {
$this->addError(wfMessage('userrenametool-errorinvalid', $this->mRequestData->oldUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
//Invalid new user name entered
if (!$nun) {
$this->addError(wfMessage('userrenametool-errorinvalidnew', $this->mRequestData->newUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
//Old username is the same as new username
if ($oldTitle->getText() === $newTitle->getText()) {
$this->addError(wfMessage('userrenametool-error-same-user')->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
//validate new username and disable validation for old username
$olduser = User::newFromName($oldTitle->getText(), false);
$newuser = User::newFromName($newTitle->getText(), 'creatable');
// It won't be an object if for instance "|" is supplied as a value
if (!is_object($olduser)) {
$this->addError(wfMessage('userrenametool-errorinvalid', $this->mRequestData->oldUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
if (!is_object($newuser) || !User::isCreatableName($newuser->getName())) {
$this->addError(wfMessage('userrenametool-errorinvalid', $this->mRequestData->newUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
$this->addInternalLog("user: old={$olduser->getName()}:{$olduser->getId()} new={$newuser->getName()}:{$newuser->getId()}");
// Check for the existence of lowercase oldusername in database.
// Until r19631 it was possible to rename a user to a name with first character as lowercase
if ($oldTitle->getText() !== $wgContLang->ucfirst($oldTitle->getText())) {
// oldusername was entered as lowercase -> check for existence in table 'user'
$dbr = WikiFactory::db(DB_SLAVE);
$uid = $dbr->selectField('`user`', 'user_id', array('user_name' => $oldTitle->getText()), __METHOD__);
$this->addLog('Running query: ' . $dbr->lastQuery() . " resulted in " . $dbr->affectedRows() . " row(s) being affected.");
if ($uid === false) {
if (!$wgCapitalLinks) {
$uid = 0;
// We are on a lowercase wiki but lowercase username does not exists
} else {
// We are on a standard uppercase wiki, use normal
$uid = $olduser->idForName();
$oldTitle = Title::makeTitleSafe(NS_USER, $olduser->getName());
}
}
} else {
// oldusername was entered as upperase -> standard procedure
$uid = $olduser->idForName();
}
$this->addInternalLog("id: uid={$uid} old={$olduser->getName()}:{$olduser->getId()} new={$newuser->getName()}:{$newuser->getId()}");
//If old user name does not exist:
if ($uid == 0) {
$this->addError(wfMessage('userrenametool-errordoesnotexist', $this->mRequestData->oldUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
} elseif ($olduser->isLocked()) {
$this->addError(wfMessage('userrenametool-errorlocked', $this->mRequestData->oldUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
} elseif ($olduser->isAllowed('bot')) {
$this->addError(wfMessage('userrenametool-errorbot', $this->mRequestData->oldUsername)->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
$fakeuid = 0;
//If new user name does exist (we have a special case - repeating rename process)
if ($newuser->idForName() != 0) {
$repeating = false;
$processing = false;
//invalidate properties cache and reload to get updated data
//needed here, if the cache is wrong bad things happen
$this->addInternalLog("pre-invalidate: titletext={$oldTitle->getText()} old={$olduser->getName()}");
$olduser->invalidateCache();
$olduser = User::newFromName($oldTitle->getText(), false);
$renameData = $olduser->getGlobalAttribute('renameData', '');
$this->addInternalLog("post-invalidate: titletext={$oldTitle->getText()} old={$olduser->getName()}:{$olduser->getId()}");
$this->addLog("Scanning user option renameData for process data: {$renameData}");
if (stripos($renameData, self::RENAME_TAG) !== false) {
$tokens = explode(';', $renameData, 3);
if (!empty($tokens[0])) {
$nameTokens = explode('=', $tokens[0], 2);
$repeating = count($nameTokens) == 2 && $nameTokens[0] === self::RENAME_TAG && $nameTokens[1] === $newuser->getName();
}
if (!empty($tokens[1])) {
$statusTokens = explode('=', $tokens[1], 2);
$processing = count($statusTokens) == 2 && $statusTokens[0] === self::PROCESS_TAG && (int) $statusTokens[1] === 1;
}
if (!empty($tokens[2])) {
$blockTokens = explode('=', $tokens[2], 2);
if (count($blockTokens) == 2 && $blockTokens[0] === self::PHALANX_BLOCK_TAG && is_numeric($blockTokens[1])) {
$this->mPhalanxBlockId = (int) $blockTokens[1];
}
}
}
/**
* Not needed, process must be resumable even in case of fatal errors, if 2 processes are run nothing bad happens
//if the process is already running throw an error
if($processing){
$this->addError( wfMessage( 'userrenametool-errorprocessing', $olduser->getName(), $newuser->getName())->inContentLanguage()->text() );
wfProfileOut(__METHOD__);
return false;
}*/
if ($repeating) {
$this->addWarning(wfMessage('userrenametool-warn-repeat', $this->mRequestData->oldUsername, $this->mRequestData->newUsername)->inContentLanguage()->text());
//Swap the uids because the real user ID is the new user ID in this special case
$fakeuid = $uid;
$uid = $newuser->idForName();
} else {
//In the case other than repeating the process drop an error
$this->addError(wfMessage('userrenametool-errorexists', $newuser->getName())->inContentLanguage()->text());
wfProfileOut(__METHOD__);
return false;
}
}
//Execute Warning hook (arguments the same as in the original Renameuser extension)
if (!$this->mActionConfirmed) {
wfRunHooks('UserRename::Warning', array($this->mRequestData->oldUsername, $this->mRequestData->newUsername, &$this->mWarnings));
}
$this->mOldUsername = $olduser->getName();
$this->mNewUsername = $newuser->getName();
$this->mUserId = (int) $uid;
$this->mFakeUserId = $fakeuid;
$this->addInternalLog("setup: uid={$this->mUserId} fakeuid={$this->mFakeUserId} old={$this->mOldUsername} new={$this->mNewUsername}");
//If there are only warnings and user confirmed that, do not show them again
//on success page ;-)
if ($this->mActionConfirmed) {
$this->mWarnings = array();
} elseif (count($this->mWarnings)) {
//in case action is not confirmed and there are warnings display them and wait for confirmation before running the process
wfProfileOut(__METHOD__);
return false;
}
wfProfileOut(__METHOD__);
return empty($this->mErrors);
}
