/**
* Renders the blog. Called by parser function for bs:blog tag and also from Blog::onUnknownAction.
* @param string $input Inner HTML of bs:blog tag. Not used.
* @param array $args List of tag attributes.
* @param Parser $parser MediaWiki parser object
* @return string HTML output that is to be displayed.
*/
public function onBlog($input, $args, $parser)
{
$oTitle = null;
if ($parser instanceof Parser) {
$oTitle = $parser->getTitle();
$parser->disableCache();
} else {
$oTitle = $this->getTitle();
}
$sKey = BsCacheHelper::getCacheKey('BlueSpice', 'Blog', $oTitle->getArticleID());
$aData = BsCacheHelper::get($sKey);
if ($aData !== false) {
return $aData;
}
// initialize local variables
$oErrorListView = new ViewTagErrorList($this);
BsExtensionManager::setContext('MW::Blog::ShowBlog');
// get all config options
$iShowLimit = BsConfig::get('MW::Blog::ShowLimit');
//$blogShowTrackback = BsConfig::get('MW::Blog::ShowTrackback'); // see comment below
$bShowPermalink = BsConfig::get('MW::Blog::ShowPermalink');
$bShowInfo = BsConfig::get('MW::Blog::ShowInfo');
$sSortBy = BsConfig::get('MW::Blog::SortBy');
$bMoreInNewWindow = BsConfig::get('MW::Blog::MoreInNewWindow');
$bShowAll = BsConfig::get('MW::Blog::ShowAll');
$bMoreAtEndOfEntry = BsConfig::get('MW::Blog::MoreAtEndOfEntry');
$bShowNewEntryField = BsConfig::get('MW::Blog::ShowNewEntryField');
$bNewEntryFieldPosition = BsConfig::get('MW::Blog::NewEntryFieldPosition');
$sImageRenderMode = BsConfig::get('MW::Blog::ImageRenderMode');
$sImageFloatDirection = BsConfig::get('MW::Blog::ThumbFloatDirection');
$iMaxEntryCharacters = BsConfig::get('MW::Blog::MaxEntryCharacters');
// Trackbacks are not supported the way we intend it to be. From http://www.mediawiki.org/wiki/Manual:$wgUseTrackbacks
// When MediaWiki receives a trackback ping, a box will show up at the bottom of the article containing a link to the originating page
//if (!$wgUseTrackbacks)
$bShowTrackback = false;
// get tag attributes
$argsIShowLimit = BsCore::sanitizeArrayEntry($args, 'count', $iShowLimit, BsPARAMTYPE::NUMERIC | BsPARAMOPTION::DEFAULT_ON_ERROR);
$argsSCategory = BsCore::sanitizeArrayEntry($args, 'cat', false, BsPARAMTYPE::STRING);
$argsINamespace = BsNamespaceHelper::getNamespaceIndex(BsCore::sanitizeArrayEntry($args, 'ns', NS_BLOG, BsPARAMTYPE::STRING));
$argsBNewEntryField = BsCore::sanitizeArrayEntry($args, 'newentryfield', $bShowNewEntryField, BsPARAMTYPE::BOOL);
$argsSNewEntryFieldPosition = BsCore::sanitizeArrayEntry($args, 'newentryfieldposition', $bNewEntryFieldPosition, BsPARAMTYPE::STRING);
$argsSImageRenderMode = BsCore::sanitizeArrayEntry($args, 'imagerendermode', $sImageRenderMode, BsPARAMTYPE::STRING);
$argsSImageFloatDirection = BsCore::sanitizeArrayEntry($args, 'imagefloatdirection', $sImageFloatDirection, BsPARAMTYPE::STRING);
$argsIMaxEntryCharacters = BsCore::sanitizeArrayEntry($args, 'maxchars', $iMaxEntryCharacters, BsPARAMTYPE::INT);
$argsSSortBy = BsCore::sanitizeArrayEntry($args, 'sort', $sSortBy, BsPARAMTYPE::STRING);
$argsBShowInfo = BsCore::sanitizeArrayEntry($args, 'showinfo', $bShowInfo, BsPARAMTYPE::BOOL);
$argsBMoreInNewWindow = BsCore::sanitizeArrayEntry($args, 'moreinnewwindow', $bMoreInNewWindow, BsPARAMTYPE::BOOL);
$argsBShowPermalink = BsCore::sanitizeArrayEntry($args, 'showpermalink', $bShowPermalink, BsPARAMTYPE::BOOL);
$argsModeNamespace = BsCore::sanitizeArrayEntry($args, 'mode', null, BsPARAMTYPE::STRING);
if ($argsModeNamespace === 'ns' && is_object($oTitle)) {
$argsINamespace = $oTitle->getNamespace();
}
// validate tag attributes
$validateIShowLimit = BsValidator::isValid('ArgCount', $argsIShowLimit, array('fullResponse' => true));
if ($validateIShowLimit->getErrorCode()) {
$oErrorListView->addItem(new ViewTagError($validateIShowLimit->getI18N()));
}
if ($argsSCategory) {
$validateSCategory = BsValidator::isValid('Category', $argsSCategory, array('fullResponse' => true));
if ($validateSCategory->getErrorCode()) {
$oErrorListView->addItem(new ViewTagError($validateSCategory->getI18N()));
}
}
$oValidationResult = BsValidator::isValid('SetItem', $argsSImageRenderMode, array('fullResponse' => true, 'setname' => 'imagerendermode', 'set' => array('full', 'thumb', 'none')));
if ($oValidationResult->getErrorCode()) {
$oErrorListView->addItem(new ViewTagError($oValidationResult->getI18N()));
}
$oValidationResult = BsValidator::isValid('SetItem', $argsSImageFloatDirection, array('fullResponse' => true, 'setname' => 'imagefloatdirection', 'set' => array('left', 'right', 'none')));
if ($oValidationResult->getErrorCode()) {
$oErrorListView->addItem(new ViewTagError($oValidationResult->getI18N()));
}
$oValidationResult = BsValidator::isValid('SetItem', $argsSSortBy, array('fullResponse' => true, 'setname' => 'sort', 'set' => array('title', 'creation')));
if ($oValidationResult->getErrorCode()) {
$oErrorListView->addItem(new ViewTagError($oValidationResult->getI18N()));
}
// if there are errors, abort with a message
if ($oErrorListView->hasEntries()) {
return $oErrorListView->execute();
}
if (BsConfig::get('MW::Blog::ShowTagFormWhenNotLoggedIn') != true) {
$oPermissionTest = Title::newFromText('PermissionTest', $argsINamespace);
if (!$oPermissionTest->userCan('edit')) {
$argsBNewEntryField = false;
}
}
// get array of article ids from Blog/subpages
$oBlogTitle = Title::makeTitleSafe($oTitle->getNamespace(), 'Blog');
$aSubpages = $oBlogTitle->getSubpages();
$iLimit = 0;
// for later use
$aArticleIds = array();
foreach ($aSubpages as $oSubpage) {
$aArticleIds[] = $oSubpage->getArticleID();
$iLimit++;
// for later use
}
if (count($aArticleIds) < 1) {
$aArticleIds = 0;
}
$aTables = array('page');
$aFields = array('entry_page_id' => 'page_id');
$aConditions = array();
$aOptions = array();
$aJoins = array();
$dbr = wfGetDB(DB_SLAVE);
// get blog entries
if ($argsSSortBy == 'title') {
$aOptions['ORDER BY'] = 'page_title ASC';
} else {
//Creation: Also fetch possible custom timestamps from page_props table
$aOptions['ORDER BY'] = 'entry_timestamp DESC';
$aOptions['GROUP BY'] = 'page_id';
global $wgDBtype;
switch ($wgDBtype) {
case 'oracle':
$aFields['entry_timestamp'] = "NVL( pp_value, rev_timestamp )";
$aConditions[] = "NVL( pp_value, rev_timestamp ) < " . wfTimestampNow();
break;
case 'mssql':
$aFields['entry_timestamp'] = "ISNULL( pp_value, rev_timestamp )";
$aConditions[] = "ISNULL( pp_value, rev_timestamp ) < " . wfTimestampNow();
break;
case 'postgres':
$aFields['entry_timestamp'] = "NULLIF( pp_value, rev_timestamp )";
$aConditions[] = "NULLIF( pp_value, rev_timestamp ) < " . wfTimestampNow();
break;
default:
//MySQL, SQLite
//use pp_value if exists
$aFields['entry_timestamp'] = "IFNULL( pp_value, rev_timestamp )";
//also do not list future entries
$aConditions[] = "IFNULL( pp_value, rev_timestamp ) < " . wfTimestampNow();
}
$aTables[] = 'revision';
$aTables[] = 'page_props';
$aConditions[] = 'rev_page = page_id';
$aJoins['page_props'] = array('LEFT JOIN', "pp_page = rev_page AND pp_propname = 'blogtime'");
}
if ($argsSCategory) {
$aTables[] = 'categorylinks';
$aConditions['cl_to'] = $argsSCategory;
$aConditions[] = 'cl_from = page_id';
} else {
if ($argsModeNamespace === 'ns') {
$aConditions['page_id'] = $aArticleIds;
}
$aConditions['page_namespace'] = $argsINamespace;
}
$res = $dbr->select($aTables, $aFields, $aConditions, __METHOD__, $aOptions, $aJoins);
$iNumberOfEntries = $dbr->numRows($res);
$iLimit = $iNumberOfEntries;
//All
// Sole importance is the existence of param 'showall'
$paramBShowAll = $this->getRequest()->getFuzzyBool('showall', false);
if ($paramBShowAll == false) {
$iLimit = $argsIShowLimit;
}
// abort if there are no entries
if ($iNumberOfEntries < 1) {
$oBlogView = new ViewBlog();
$oBlogView->setOption('shownewentryfield', $argsBNewEntryField);
$oBlogView->setOption('newentryfieldposition', $argsSNewEntryFieldPosition);
$oBlogView->setOption('namespace', BsNamespaceHelper::getNamespaceName($argsINamespace));
if ($argsSCategory) {
$oBlogView->setOption('blogcat', $argsSCategory);
}
// actually create blog output
$sOut = $oBlogView->execute();
$sOut .= wfMessage('bs-blog-no-entries')->plain();
return $sOut;
}
$oBlogView = new ViewBlog();
// prepare views per blog item
$iLoop = 0;
foreach ($res as $row) {
// prepare data for view class
$oEntryTitle = Title::newFromID($row->entry_page_id);
if (!$oEntryTitle->userCan('read')) {
$iNumberOfEntries--;
continue;
}
$bMore = false;
$aContent = preg_split('#<(bs:blog:)?more */>#', BsPageContentProvider::getInstance()->getContentFromTitle($oEntryTitle));
if (sizeof($aContent) > 1) {
$bMore = true;
}
$aContent = trim($aContent[0]);
// Prevent recursive rendering of blog tag
$aContent = preg_replace('/<(bs:)blog[^>]*?>/', '', $aContent);
// Thumbnail images
$sNamespaceRegEx = implode('|', BsNamespaceHelper::getNamespaceNamesAndAliases(NS_IMAGE));
switch ($argsSImageRenderMode) {
case 'none':
$aContent = preg_replace('/(\\[\\[(' . $sNamespaceRegEx . '):[^\\|\\]]*)(\\|)?(.*?)(\\]\\])/', '', $aContent);
break;
case 'full':
// do nothing
break;
case 'thumb':
default:
$aContent = preg_replace('/(\\[\\[(' . $sNamespaceRegEx . '):[^\\|\\]]*)(\\|)?(.*?)(\\]\\])/', "\$1|thumb|{$argsSImageFloatDirection}\$3\$4|150px\$5", $aContent);
break;
}
if (strlen($aContent) > $argsIMaxEntryCharacters) {
$bMore = true;
}
$aContent = BsStringHelper::shorten($aContent, array('max-length' => $argsIMaxEntryCharacters, 'ignore-word-borders' => false, 'position' => 'end'));
$resComment = $dbr->selectRow('revision', 'COUNT( rev_id ) AS cnt', array('rev_page' => $oEntryTitle->getTalkPage()->getArticleID()));
$iCount = $resComment->cnt;
// set data for view class
$oBlogItemView = new ViewBlogItem();
// use magic set
$oBlogItemView->setOption('showInfo', $argsBShowInfo);
$oBlogItemView->setOption('showLimit', $argsIShowLimit);
$oBlogItemView->setOption('showTrackback', $bShowTrackback);
$oBlogItemView->setOption('showPermalink', $argsBShowPermalink);
$oBlogItemView->setOption('moreInNewWindow', $argsBMoreInNewWindow);
$oBlogItemView->setOption('showAll', $bShowAll);
$oBlogItemView->setOption('moreAtEndOfEntry', $bMoreAtEndOfEntry);
$oBlogItemView->setOption('more', $bMore);
//TODO: magic_call?
if ($argsModeNamespace === 'ns') {
$sTitle = substr($oEntryTitle->getText(), 5);
} else {
$sTitle = $oEntryTitle->getText();
}
$aTalkParams = array();
if (!$oEntryTitle->getTalkPage()->exists()) {
$aTalkParams = array('action' => 'edit');
}
$oRevision = Revision::newFromTitle($oEntryTitle);
$oBlogItemView->setTitle($sTitle);
$oBlogItemView->setRevId($oRevision->getId());
$oBlogItemView->setURL($oEntryTitle->getLocalURL());
$oBlogItemView->setTalkURL($oEntryTitle->getTalkPage()->getLocalURL($aTalkParams));
$oBlogItemView->setTalkCount($iCount);
$oBlogItemView->setTrackbackUrl($oEntryTitle->getLocalURL());
if ($bShowInfo) {
$oFirstRevision = $oEntryTitle->getFirstRevision();
$sTimestamp = $oFirstRevision->getTimestamp();
$sLocalDateTimeString = BsFormatConverter::timestampToAgeString(wfTimestamp(TS_UNIX, $sTimestamp));
$oBlogItemView->setEntryDate($sLocalDateTimeString);
$iUserId = $oFirstRevision->getUser();
if ($iUserId != 0) {
$oAuthorUser = User::newFromId($iUserId);
$oBlogItemView->setAuthorPage($oAuthorUser->getUserPage()->getPrefixedText());
$oBlogItemView->setAuthorName($this->mCore->getUserDisplayName($oAuthorUser));
} else {
$oBlogItemView->setAuthorName($oFirstRevision->getUserText());
}
}
$oBlogItemView->setContent($aContent);
$oBlogView->addItem($oBlogItemView);
$iLoop++;
if ($iLoop >= $iLimit) {
break;
}
}
$dbr->freeResult($res);
// prepare complete blog output
if ($bShowAll && !$paramBShowAll && $iNumberOfEntries > $argsIShowLimit) {
$oBlogView->setOption('showall', true);
}
$oBlogView->setOption('shownewentryfield', $argsBNewEntryField);
$oBlogView->setOption('newentryfieldposition', $argsSNewEntryFieldPosition);
$oBlogView->setOption('namespace', BsNamespaceHelper::getNamespaceName($argsINamespace, false));
$oBlogView->setOption('blogcat', $argsSCategory);
if ($argsModeNamespace === 'ns') {
$oBlogView->setOption('parentpage', 'Blog/');
}
// actually create blog output
$sOut = $oBlogView->execute();
//Use cache only in NS_BLOG - there is curently no functionality to
//figure out in what type of blog tag a entry is showen and why
//(coditions). Possible blog by categories or subpages...
//Needs rework.
if (in_array($oTitle->getNamespace(), array(NS_BLOG, NS_BLOG_TALK))) {
$aKey = array($sKey);
$sTagsKey = BsCacheHelper::getCacheKey('BlueSpice', 'Blog', 'Tags');
$aTagsData = BsCacheHelper::get($sTagsKey);
if ($aTagsData !== false) {
if (!in_array($sKey, $aTagsData)) {
$aTagsData = array_merge($aTagsData, $aKey);
}
} else {
$aTagsData = $aKey;
}
BsCacheHelper::set($sTagsKey, $aTagsData, 60 * 1440);
// one day
BsCacheHelper::set($sKey, $sOut, 60 * 1440);
// one day
}
return $sOut;
}
/**
* Send file via HTTP.
*/
public static function getFile()
{
global $wgUploadDirectory;
$sRawFilePath = RequestContext::getMain()->getRequest()->getVal('f');
// Some extensions (e.g. Social Profile) add params with ? to filename
$aRawFilePathPcs = preg_split("/\\?.*=/", $sRawFilePath);
$sRawFilePath = $aRawFilePathPcs[0];
$sUploadDirectory = realpath($wgUploadDirectory);
if (empty($sUploadDirectory)) {
throw new MWException('$wgUploadDirectory is empty. This should never happen!');
}
// Switch between f=File:Foo.png and f=/3/33/Foo.png style requests
$aFileNamespaceNames = BsNamespaceHelper::getNamespaceNamesAndAliases(NS_FILE);
if (preg_match('#^(.*?):(.*)$#', $sRawFilePath, $aMatch) && in_array($aMatch[1], $aFileNamespaceNames)) {
$oTitle = Title::newFromText($aMatch[2], NS_FILE);
$oImg = wfLocalFile($oTitle);
if (!is_null($oImg)) {
$oImgRepoLocalRef = $oImg->getRepo()->getLocalReference($oImg->getPath());
if (!is_null($oImgRepoLocalRef)) {
$sFilePath = realpath($oImgRepoLocalRef->getPath());
}
}
} else {
$sFilePath = realpath($sUploadDirectory . $sRawFilePath);
}
$aPathParts = pathinfo($sFilePath);
$sFileName = $aPathParts['basename'];
$sFileExt = isset($aPathParts['extension']) ? strtolower($aPathParts['extension']) : '';
if (strpos($sFilePath, $sUploadDirectory) !== 0 || preg_match('/^\\.ht/', $sFileName) || empty($sFilePath) || !is_file($sFilePath) || !is_readable($sFilePath)) {
header('HTTP/1.0 404 Not Found');
exit;
}
// At this point we have a valid and readable file path in $sFilePath.
// Now create a File object to get some properties
if (strstr($sFilePath, 'thumb')) {
$sFindFileName = preg_replace("#(\\d*px-)#", '', $sFileName);
} else {
$sFindFileName = $sFileName;
}
$aOptions = array('time' => false);
//TODO: maybe check for "/archive" in $sFilePath, too. But this migth be a config setting, so do not hardcode
$isArchive = preg_match('#^\\d{14}!#si', $sFindFileName);
//i.e. "20120724112914!Adobe-reader-x-tco-de.pdf"
if ($isArchive) {
$aFilenameParts = explode('!', $sFindFileName, 2);
$sFindFileName = $aFilenameParts[1];
$aOptions['time'] = $aFilenameParts[0];
}
$oFile = RepoGroup::singleton()->findFile($sFindFileName, $aOptions);
// We need to do some additional checks if file extension is not on whitelist
if (!in_array($sFileExt, BsConfig::get('MW::SecureFileStore::FileExtensionWhitelist'))) {
// Check for MediaWiki right 'viewfiles'
global $wgUser;
if (!$wgUser->isAllowed('viewfiles')) {
header('HTTP/1.0 403 Forbidden');
exit;
}
// Check if user has access to file's meta page
if ($oFile) {
if (!$oFile->getTitle()->userCan('read')) {
header('HTTP/1.0 403 Forbidden');
exit;
}
}
}
// User is allowed to retrieve file. Get things going.
# If file is not in MW's repo try to guess MIME type
$sFileMime = $oFile ? $oFile->getMimeType() : MimeMagic::singleton()->guessMimeType($sFilePath, false);
$sFileDispo = BsConfig::get('MW::SecureFileStore::DefaultDisposition');
if (in_array($sFileExt, BsConfig::get('MW::SecureFileStore::DispositionAttachment'))) {
$sFileDispo = 'attachment';
}
if (in_array($sFileExt, BsConfig::get('MW::SecureFileStore::DispositionInline'))) {
$sFileDispo = 'inline';
}
$aFileStat = stat($sFilePath);
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $aFileStat['mtime']) . ' GMT');
header("Content-Type: {$sFileMime}");
header("Content-Disposition: {$sFileDispo}; filename=\"{$sFileName}\"");
header("Cache-Control: no-cache,must-revalidate", true);
//Otherwise IE might deliver old version
if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
$sModSince = preg_replace('/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE']);
$sSinceTime = strtotime($sModSince);
if ($aFileStat['mtime'] <= $sSinceTime) {
ini_set('zlib.output_compression', 0);
header("HTTP/1.0 304 Not Modified");
exit;
}
}
// IE6/IE7 cannot handle download of zip-files that are aditionally gzipped by the Apache
// just put it in the header and tell apache to immediately flush => and gzip is disabled
if ($sFileMime == 'application/zip') {
header('Content-Length: ' . $aFileStat['size']);
flush();
}
// Send the file already ;-)
readfile($sFilePath);
exit;
}