/**
* Can the user create this new Title? (called for action 'create', 'edit',
* 'upload', 'createpage', 'move-target' on a new title)
* @param Title $title A new Title (=not known/not stored) in a Wikiplace namespace
* @param User $user A logged in user
* @return array Empty array = can, array containing i18n key + args = cannot
*/
public static function wikiplaceUserCanCreate(&$title, &$user)
{
// in userCan() calling this function, we already checked that user is loggedin
$msg;
$user_id = $user->getId();
// ensure we are not creating a duplicate in wikiplace
if (class_exists('TitleKey') && ($duplicate = TitleKey::exactMatchTitle($title))) {
wfDebugLog('wikiplaces-debug', "user cannot create {$title->getPrefixedDBkey()} duplicate {$duplicate->getPrefixedDBkey()} exists");
return array('wp-duplicate-exists', $duplicate->getPrefixedDBkey());
}
// ensure to keep "talk page" <-> "regular page" mirrored named
if ($title->isTalkPage()) {
// ensure to not create a talk having a subject in different case ( ie: Talk:wp/page but wp/PAGE exists )
$subject = $title->getSubjectPage();
if (!$subject->isKnown() && class_exists('TitleKey') && ($duplicate_subject = TitleKey::exactMatchTitle($subject))) {
// the subject page doesn't exist, but there is a subject page with different case, abort
wfDebugLog('wikiplaces-debug', "user cannot create {$title->getPrefixedDBkey()} duplicate subject {$duplicate_subject->getPrefixedDBkey()} exists");
return array('wp-duplicate-related', $duplicate_subject->getPrefixedDBkey(), $duplicate_subject->getTalkPage()->getPrefixedDBkey());
}
} else {
// ensure to not create an article with an existing talk in different case
$talk = $title->getTalkPage();
if (!$talk->isKnown() && class_exists('TitleKey') && ($duplicate_talk = TitleKey::exactMatchTitle($talk))) {
// the talk page doesn't exist, but there is a talk page with different case, abort
wfDebugLog('wikiplaces-debug', "user cannot create {$title->getPrefixedDBkey()} duplicate talk {$duplicate_talk->getPrefixedDBkey()} exists");
return array('wp-duplicate-related', $duplicate_talk->getPrefixedDBkey(), $duplicate_talk->getSubjectPage()->getPrefixedDBkey());
}
}
if (WpPage::isHomepage($title)) {
// this is a new Wikiplace
$msg = 'new wikiplace';
if (($reason = WpSubscription::userCanCreateWikiplace($user_id)) !== true) {
$result = array($reason);
$msg .= ', ' . $reason;
} elseif (WpWikiplace::isBlacklistedWikiplaceName($title->getDBkey())) {
$result = array('badtitletext');
$msg .= ', blacklisted name';
} elseif (preg_match('/[.]/', $title->getText())) {
$result = array('badtitletext');
$msg .= ', bad character in page title';
} else {
$result = array();
}
} else {
// this can be regular article or talk or file)
$namespace = $title->getNamespace();
if ($namespace == NS_FILE || $namespace == NS_FILE_TALK) {
// the user is uploading a file or creating a file talk
$msg = 'new file/file_talk';
$db_key = $title->getDBkey();
if (WpPage::isPublic($namespace, $db_key)) {
$msg .= ', in public space';
$result = array();
} elseif (WpPage::isAdmin($namespace, $db_key)) {
$msg .= ', in admin space';
if ($user->isAllowed(WP_ADMIN_RIGHT)) {
$result = array();
} else {
$msg .= ', user not admin';
$result = array('protectedpage');
}
} else {
$msg .= ', attached to a wikiplace';
$wp = WpWikiplace::getBySubpage($db_key, $title->getNamespace());
if ($wp === null) {
$result = array('wp-no-container-found');
// no wikiplace can contain this, so cannot create it
$msg .= ', cannot find existing container Wikiplace';
} elseif ($user->isAllowed(WP_ADMIN_RIGHT)) {
// admin is working for someone else
$result = array();
$msg .= ', admin is working for someone else';
} elseif (!$wp->isOwner($user_id) && !WpMember::IsMember($wp, $user)) {
// !owner and !member => DENY
$result = array('wp-not-owner-or-member');
$msg .= ', current user is neither the owner nor a member of the Wikiplace';
} else {
$reason;
if ($namespace == NS_FILE) {
$reason = WpSubscription::userCanUploadNewFile($user_id, $wp);
} else {
$reason = WpSubscription::userCanCreateNewPage($user, $wp);
}
if ($reason !== true) {
$result = array($reason);
// no active subscription or page creation quota is exceeded
$msg .= ', ' . $reason;
} else {
$result = array();
}
}
}
} else {
// the user is creating a new page (regular or talk, but not a file or file_talk)
$msg = ', new subpage';
$wp = WpWikiplace::getBySubpage($title->getDBkey(), $title->getNamespace());
if ($wp === null) {
$result = array('wp-no-container-found');
// no wikiplace can contain this subpage, so cannot create it
$msg .= ', cannot find existing container Wikiplace';
} elseif ($user->isAllowed(WP_ADMIN_RIGHT)) {
// admin is creating a subpage for someone else
$result = array();
$msg .= ', admin is creating a subpage for someone else';
} elseif (!$wp->isOwner($user_id) && !WpMember::IsMember($wp, $user)) {
// !owner and !member => DENY
$result = array('wp-not-owner-or-member');
$msg .= ', current user is neither the owner nor a member of the Wikiplace';
} elseif (($reason = WpSubscription::userCanCreateNewPage($user, $wp)) !== true) {
$result = array($reason);
// no active subscription or page creation quota is exceeded
$msg .= ', ' . $reason;
} else {
$result = array();
}
}
}
wfDebugLog('wikiplaces-debug', "user can" . (empty($result) ? '' : 'not') . " create {$title->getFullText()}: {$msg}");
return $result;
}
