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Bug #16457 ยป class.tslib_fe.php

Administrator Admin, 2006-08-11 07:52

 
<?php
/***************************************************************
* Copyright notice
*
* (c) 1999-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
* Class for the built TypoScript based Front End
*
* This class has a lot of functions and internal variable which are use from index_ts.php.
* The class is instantiated as $GLOBALS['TSFE'] in index_ts.php.
* The use of this class should be inspired by the order of function calls as found in index_ts.php.
*
* $Id: class.tslib_fe.php 1667 2006-07-31 11:17:22Z mundaun $
* Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
* XHTML compliant
*
* @author Kasper Skaarhoj <kasperYYYY@typo3.com>
*/
/**
* [CLASS/FUNCTION INDEX of SCRIPT]
*
*
*
* 213: class tslib_fe
* 382: function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='')
* 415: function connectToMySQL()
* 425: function connectToDB()
* 470: function sendRedirect()
*
* SECTION: Initializing, resolving page id
* 508: function initFEuser()
* 558: function initUserGroups()
* 593: function isUserOrGroupSet()
* 618: function checkAlternativeIdMethods()
* 670: function clear_preview()
* 683: function determineId()
* 817: function fetch_the_id()
* 911: function getPageAndRootline()
* 994: function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array())
* 1044: function checkRootlineForIncludeSection()
* 1081: function checkEnableFields($row,$bypassGroupCheck=FALSE)
* 1097: function checkPageGroupAccess($row, $groupList=NULL)
* 1116: function checkPagerecordForIncludeSection($row)
* 1125: function checkIfLoginAllowedInBranch()
* 1150: function getPageAccessFailureReasons()
* 1182: function setIDfromArgV()
* 1198: function getPageAndRootlineWithDomain($domainStartPage)
* 1225: function setSysPageWhereClause()
* 1237: function findDomainRecord($recursive=0)
* 1257: function pageNotFoundAndExit($reason='', $header='')
* 1272: function pageNotFoundHandler($code, $header='', $reason='')
* 1316: function checkAndSetAlias()
* 1335: function idPartsAnalyze($str)
* 1360: function mergingWithGetVars($GET_VARS)
* 1390: function ADMCMD_preview()
* 1433: function ADMCMD_preview_postInit($previewConfig)
*
* SECTION: Template and caching related functions.
* 1465: function makeCacheHash()
* 1489: function reqCHash()
* 1511: function cHashParams($addQueryParams)
* 1520: function initTemplate()
* 1532: function getFromCache()
* 1578: function getFromCache_queryRow()
* 1608: function headerNoCache()
* 1637: function getHash()
* 1657: function getConfigArray()
*
* SECTION: Further initialization and data processing
* 1818: function getCompressedTCarray()
* 1872: function includeTCA($TCAloaded=1)
* 1899: function settingLanguage()
* 1992: function settingLocale()
* 2017: function checkDataSubmission()
* 2050: function fe_tce()
* 2064: function locDataCheck($locationData)
* 2080: function sendFormmail()
* 2131: function extractRecipientCopy($bodytext)
* 2145: function setExternalJumpUrl()
* 2156: function checkJumpUrlReferer()
* 2171: function jumpUrl()
* 2215: function setUrlIdToken()
*
* SECTION: Page generation; cache handling
* 2258: function isGeneratePage()
* 2268: function tempPageCacheContent()
* 2325: function realPageCacheContent()
* 2355: function setPageCacheContent($content,$data,$tstamp)
* 2382: function clearPageCacheContent()
* 2392: function clearPageCacheContent_pidList($pidList)
* 2403: function pageCachePostProcess(&$row,$type)
* 2426: function setSysLastChanged()
*
* SECTION: Page generation; rendering and inclusion
* 2462: function generatePage_preProcessing()
* 2484: function generatePage_whichScript()
* 2496: function generatePage_postProcessing()
* 2588: function INTincScript()
* 2648: function INTincScript_loadJSCode()
* 2689: function isINTincScript()
* 2698: function doXHTML_cleaning()
* 2707: function doLocalAnchorFix()
*
* SECTION: Finished off; outputting, storing session data, statistics...
* 2738: function isOutputting()
* 2761: function processOutput()
* 2834: function sendCacheHeaders()
* 2902: function isStaticCacheble()
* 2915: function contentStrReplace()
* 2941: function isEXTincScript()
* 2950: function storeSessionData()
* 2960: function setParseTime()
* 2972: function statistics()
* 3066: function previewInfo()
* 3101: function hook_eofe()
* 3117: function beLoginLinkIPList()
* 3138: function addTempContentHttpHeaders()
*
* SECTION: Various internal API functions
* 3184: function makeSimulFileName($inTitle,$page,$type,$addParams='',$no_cache='')
* 3231: function simulateStaticDocuments_pEnc_onlyP_proc($linkVars)
* 3260: function getSimulFileName()
* 3271: function setSimulReplacementChar()
* 3291: function fileNameASCIIPrefix($inTitle,$titleChars,$mergeChar='.')
* 3314: function encryptEmail($string,$back=0)
* 3340: function codeString($string, $decode=FALSE)
* 3366: function roundTripCryptString($string)
* 3386: function checkFileInclude($incFile)
* 3401: function newCObj()
* 3414: function setAbsRefPrefix()
* 3428: function baseUrlWrap($url)
* 3447: function printError($label,$header='Error!')
* 3458: function updateMD5paramsRecord($hash)
* 3469: function tidyHTML($content)
* 3495: function prefixLocalAnchorsWithScript()
* 3505: function workspacePreviewInit()
* 3521: function doWorkspacePreview()
* 3531: function whichWorkspace($returnTitle = FALSE)
*
* SECTION: Various external API functions - for use in plugins etc.
* 3589: function getStorageSiterootPids()
* 3604: function getPagesTSconfig()
* 3637: function setJS($key,$content='')
* 3677: function setCSS($key,$content)
* 3692: function make_seed()
* 3705: function uniqueHash($str='')
* 3714: function set_no_cache()
* 3724: function set_cache_timeout_default($seconds)
* 3740: function plainMailEncoded($email,$subject,$message,$headers='')
*
* SECTION: Localization and character set conversion
* 3784: function sL($input)
* 3813: function readLLfile($fileRef)
* 3824: function getLLL($index,$LOCAL_LANG)
* 3838: function initLLvars()
* 3872: function csConv($str,$from='')
* 3890: function convOutputCharset($content,$label='')
* 3903: function convPOSTCharset()
*
* TOTAL FUNCTIONS: 116
* (This index is automatically created/updated by the extension "extdeveval")
*
*/





















/**
* Main frontend class, instantiated in the index_ts.php script as the global object TSFE
*
* @author Kasper Skaarhoj <kasperYYYY@typo3.com>
* @package TYPO3
* @subpackage tslib
*/
class tslib_fe {

// CURRENT PAGE:
var $id=''; // The page id (int)
var $type=''; // RO The type (int)
var $idParts=array(); // Loaded with the id, exploded by ','
var $cHash=''; // The submitted cHash
var $no_cache=''; // Page will not be cached. Write only true. Never clear value (some other code might have reasons to set it true)
var $rootLine=''; // The rootLine (all the way to tree root, not only the current site!) (array)
var $page=''; // The pagerecord (array)
var $contentPid=0; // This will normally point to the same value as id, but can be changed to point to another page from which content will then be displayed instead.
var $sys_page=''; // The object with pagefunctions (object)
var $jumpurl='';
var $pageNotFound=0; // Is set to 1 if a pageNotFound handler could have been called.
var $domainStartPage=0; // Domain start page
var $pageAccessFailureHistory=array(); // Array containing a history of why a requested page was not accessible.
var $MP='';
var $RDCT='';
var $page_cache_reg1=0; // This can be set from applications as a way to tag cached versions of a page and later perform some external cache management, like clearing only a part of the cache of a page...
var $siteScript=''; // Contains the value of the current script path that activated the frontend. Typically "index.php" but by rewrite rules it could be something else! Used for Speaking Urls / Simulate Static Documents.

// USER
var $fe_user=''; // The user (object)
var $loginUser=''; // Global flag indicating that a front-end user is logged in. This is set only if a user really IS logged in. The group-list may show other groups (like added by IP filter or so) even though there is no user.
var $gr_list=''; // (RO=readonly) The group list, sorted numerically. Group '0,-1' is the default group, but other groups may be added by other means than a user being logged in though...
var $beUserLogin=''; // Flag that indicates if a Backend user is logged in!
var $workspacePreview=''; // Integer, that indicates which workspace is being previewed.
var $loginAllowedInBranch = TRUE; // Shows whether logins are allowed in branch
var $ADMCMD_preview_BEUSER_uid = 0; // Integer, set to backend user ID to initialize when keyword-based preview is used.

// PREVIEW
var $fePreview=''; // Flag indication that preview is active. This is based on the login of a backend user and whether the backend user has read access to the current page. A value of 1 means ordinary preview, 2 means preview of a non-live workspace
var $showHiddenPage=''; // Flag indicating that hidden pages should be shown, selected and so on. This goes for almost all selection of pages!
var $showHiddenRecords=''; // Flag indicating that hidden records should be shown. This includes sys_template, pages_language_overlay and even fe_groups in addition to all other regular content. So in effect, this includes everything except pages.
var $simUserGroup='0'; // Value that contains the simulated usergroup if any

// CONFIGURATION
var $TYPO3_CONF_VARS=array(); // The configuration array as set up in t3lib/config_default.php. Should be an EXACT copy of the global array.
var $config=''; // 'CONFIG' object from TypoScript. Array generated based on the TypoScript configuration of the current page. Saved with the cached pages.
var $TCAcachedExtras=array(); // Array of cached information from TCA. This is NOT TCA itself!

// TEMPLATE / CACHE
var $tmpl=''; // The TypoScript template object. Used to parse the TypoScript template
var $cacheTimeOutDefault=''; // Is set to the time-to-live time of cached pages. If false, default is 60*60*24, which is 24 hours.
var $cacheContentFlag=''; // Set internally if cached content is fetched from the database
var $cacheExpires=0; // Set to the expire time of cached content
var $isClientCachable=FALSE; // Set if cache headers allowing caching are sent.
var $all=''; // $all used by template fetching system. This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
var $sPre=''; // toplevel - objArrayName, eg 'page'
var $pSetup=''; // TypoScript configuration of the page-object pointed to by sPre. $this->tmpl->setup[$this->sPre.'.']
var $newHash=''; // This hash is unique to the template, the $this->id and $this->type vars and the gr_list (list of groups). Used to get and later store the cached data
var $getMethodUrlIdToken=''; // If config.ftu (Frontend Track User) is set in TypoScript for the current page, the string value of this var is substituted in the rendered source-code with the string, '&ftu=[token...]' which enables GET-method usertracking as opposed to cookie based
var $no_CacheBeforePageGen=''; // This flag is set before inclusion of pagegen.php IF no_cache is set. If this flag is set after the inclusion of pagegen.php, no_cache is forced to be set. This is done in order to make sure that php-code from pagegen does not falsely clear the no_cache flag.
var $tempContent = FALSE; // This flag indicates if temporary content went into the cache during page-generation.
var $forceTemplateParsing=''; // Boolean, passed to TypoScript template class and tells it to render the template forcibly
var $cHash_array=array(); // The array which cHash_calc is based on, see ->makeCacheHash().
var $hash_base=''; // Loaded with the serialized array that is used for generating a hashstring for the cache
var $pagesTSconfig=''; // May be set to the pagesTSconfig
// PAGE-GENERATION / cOBJ
/*
Eg. insert JS-functions in this array ($additionalHeaderData) to include them once. Use associative keys.
Keys in use:
JSFormValidate : <script type="text/javascript" src="'.$GLOBALS["TSFE"]->absRefPrefix.'t3lib/jsfunc.validateform.js"></script>
JSincludeFormupdate : <script type="text/javascript" src="t3lib/jsfunc.updateform.js"></script>
JSMenuCode, JSMenuCode_menu : JavaScript for the JavaScript menu
JSCode : reserved
JSImgCode : reserved
*/
var $defaultBodyTag='<body>'; // Default bodytag, if nothing else is set. This can be overridden by applications like TemplaVoila.
var $additionalHeaderData=array(); // used to accumulate additional HTML-code for the header-section, <head>...</head>. Insert either associative keys (like additionalHeaderData['myStyleSheet'], see reserved keys above) or num-keys (like additionalHeaderData[] = '...')
var $additionalJavaScript=array(); // used to accumulate additional JavaScript-code. Works like additionalHeaderData. Reserved keys at 'openPic' and 'mouseOver'
var $additionalCSS=array(); // used to accumulate additional Style code. Works like additionalHeaderData.
var $JSeventFuncCalls = array( // you can add JavaScript functions to each entry in these arrays. Please see how this is done in the GMENU_LAYERS script. The point is that many applications on a page can set handlers for onload, onmouseover and onmouseup
'onmousemove' => array(),
'onmouseup' => array(),
'onload' => array(),
);
var $JSCode=''; // Deprecated, use additionalJavaScript instead.
var $JSImgCode=''; // Used to accumulate JavaScript loaded images (by menus)
var $divSection=''; // Used to accumulate DHTML-layers.

// RENDERING configuration, settings from TypoScript is loaded into these vars. See pagegen.php
var $debug=''; // Debug flag, may output special debug html-code.
var $intTarget=''; // Default internal target
var $extTarget=''; // Default external target
var $MP_defaults=array(); // Keys are page ids and values are default &MP (mount point) values to set when using the linking features...)
var $spamProtectEmailAddresses=0; // If set, typolink() function encrypts email addresses. Is set in pagegen-class.
var $absRefPrefix=''; // Absolute Reference prefix
var $absRefPrefix_force=0; // Absolute Reference prefix force flag. This is set, if the type and id is retrieve from PATH_INFO and thus we NEED to prefix urls with at least '/'
var $compensateFieldWidth=''; // Factor for form-field widths compensation
var $lockFilePath=''; // Lock file path
var $ATagParams=''; // <A>-tag parameters
var $sWordRegEx=''; // Search word regex, calculated if there has been search-words send. This is used to mark up the found search words on a page when jumped to from a link in a search-result.
var $sWordList=''; // Is set to the incoming array sword_list in case of a page-view jumped to from a search-result.
var $linkVars=''; // A string prepared for insertion in all links on the page as url-parameters. Based on configuration in TypoScript where you defined which GET_VARS you would like to pass on.
var $excludeCHashVars=''; // A string set with a comma list of additional GET vars which should NOT be included in the cHash calculation. These vars should otherwise be detected and involved in caching, eg. through a condition in TypoScript.
var $displayEditIcons=''; // If set, edit icons are rendered aside content records. Must be set only if the ->beUserLogin flag is set and set_no_cache() must be called as well.
var $displayFieldEditIcons=''; // If set, edit icons are rendered aside individual fields of content. Must be set only if the ->beUserLogin flag is set and set_no_cache() must be called as well.
var $sys_language_uid=0; // Site language, 0 (zero) is default, int+ is uid pointing to a sys_language record. Should reflect which language menus, templates etc is displayed in (master language) - but not necessarily the content which could be falling back to default (see sys_language_content)
var $sys_language_mode=''; // Site language mode for content fall back.
var $sys_language_content=0; // Site content selection uid (can be different from sys_language_uid if content is to be selected from a fall-back language. Depends on sys_language_mode)
var $sys_language_contentOL=0; // Site content overlay flag; If set - and sys_language_content is > 0 - , records selected will try to look for a translation pointing to their uid. (If configured in [ctrl][languageField] / [ctrl][transOrigP...]
var $sys_language_isocode = ''; // Is set to the iso code of the sys_language_content if that is properly defined by the sys_language record representing the sys_language_uid. (Requires the extension "static_info_tables")

// RENDERING data
var $applicationData=Array(); // 'Global' Storage for various applications. Keys should be 'tx_'.extKey for extensions.
var $register=Array();
var $registerStack=Array(); // Stack used for storing array and retrieving register arrays (see LOAD_REGISTER and CLEAR_REGISTER)
var $cObjectDepthCounter = 50; // Checking that the function is not called eternally. This is done by interrupting at a depth of 50
var $recordRegister = Array(); // used by cObj->RECORDS and cObj->CONTENT to ensure the a records is NOT rendered twice through it!
var $currentRecord = ''; // This is set to the [table]:[uid] of the latest record rendered. Note that class tslib_cObj has an equal value, but that is pointing to the record delivered in the $data-array of the tslib_cObj instance, if the cObjects CONTENT or RECORD created that instance
var $accessKey =array(); // Used by class tslib_menu to keep track of access-keys.
var $imagesOnPage=array(); // Numerical array where image filenames are added if they are referenced in the rendered document. This includes only TYPO3 generated/inserted images.
var $lastImageInfo=array(); // Is set in tslib_cObj->cImage() function to the info-array of the most recent rendered image. The information is used in tslib_cObj->IMGTEXT
var $uniqueCounter=0; // Used to generate page-unique keys. Point is that uniqid() functions is very slow, so a unikey key is made based on this, see function uniqueHash()
var $uniqueString='';
var $indexedDocTitle=''; // This value will be used as the title for the page in the indexer (if indexing happens)
var $altPageTitle=''; // Alternative page title (normally the title of the page record). Can be set from applications you make.
var $pEncAllowedParamNames=array(); // An array that holds parameter names (keys) of GET parameters which MAY be MD5/base64 encoded with simulate_static_documents method.
var $baseUrl=''; // The Base url set for the page header.
var $anchorPrefix=''; // The proper anchor prefix needed when using speaking urls. (only set if baseUrl is set)

// Page content render object
var $cObj =''; // is instantiated object of tslib_cObj

// CONTENT accumulation
var $content=''; // All page content is accumulated in this variable. See pagegen.php

// GENERAL
var $clientInfo=''; // Set to the browser: net / msie if 4+ browsers
var $scriptParseTime=0;
var $TCAloaded = 0; // Set ONLY if the full TCA is loaded

// Character set (charset) conversion object:
var $csConvObj; // An instance of the "t3lib_cs" class. May be used by any application.
var $defaultCharSet = 'iso-8859-1'; // The default charset used in the frontend if nothing else is set.
var $renderCharset=''; // Internal charset of the frontend during rendering: Defaults to "forceCharset" and if that is not set, to ->defaultCharSet
var $metaCharset=''; // Output charset of the websites content. This is the charset found in the header, meta tag etc. If different from $renderCharset a conversion happens before output to browser. Defaults to ->renderCharset if not set.
var $localeCharset=''; // Assumed charset of locale strings.

// LANG:
var $lang=''; // Set to the system language key (used on the site)
var $langSplitIndex=0; // Set to the index number of the language key
var $labelsCharset=''; // Charset of the labels from locallang (based on $this->lang)
var $convCharsetToFrom=''; // Set to the charsets to convert from/to IF there are any difference. Otherwise this stays a string
var $LL_labels_cache=array();
var $LL_files_cache=array();





/**
* Class constructor
* Takes a number of GET/POST input variable as arguments and stores them internally.
* The processing of these variables goes on later in this class.
* Also sets internal clientInfo array (browser information) and a unique string (->uniqueString) for this script instance; A md5 hash of the microtime()
*
* @param array The global $TYPO3_CONF_VARS array. Will be set internally in ->TYPO3_CONF_VARS
* @param mixed The value of t3lib_div::_GP('id')
* @param integer The value of t3lib_div::_GP('type')
* @param boolean The value of t3lib_div::_GP('no_cache'), evaluated to 1/0
* @param string The value of t3lib_div::_GP('cHash')
* @param string The value of t3lib_div::_GP('jumpurl')
* @param string The value of t3lib_div::_GP('MP')
* @param string The value of t3lib_div::_GP('RDCT')
* @return void
* @see index_ts.php
*/
function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='') {

// Setting some variables:
$this->TYPO3_CONF_VARS = $TYPO3_CONF_VARS;
$this->id = $id;
$this->type = $type;
$this->no_cache = $no_cache ? 1 : 0;
$this->cHash = $cHash;
$this->jumpurl = $jumpurl;
$this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? (string)$MP : '';
$this->RDCT = $RDCT;
$this->clientInfo = t3lib_div::clientInfo();
$this->uniqueString=md5(microtime());

$this->csConvObj = t3lib_div::makeInstance('t3lib_cs');

// Call post processing function for constructor:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

/**
* Connect to MySQL database
* May exit after outputting an error message or some JavaScript redirecting to the install tool.
* Use connectToDB() instead!
*
* @return void
* @deprecated
*/
function connectToMySQL() {
$this->connectToDB();
}

/**
* Connect to SQL database
* May exit after outputting an error message or some JavaScript redirecting to the install tool.
*
* @return void
*/
function connectToDB() {
if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
if (!TYPO3_db) {
$this->printError('No database selected','Database Error');
// Redirects to the Install Tool:
echo '<script type="text/javascript">
/*<![CDATA[*/
window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
/*]]>*/
</script>';
exit;
} elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db)) {
$this->printError('Cannot connect to the current database, "'.TYPO3_db.'"','Database Error');
exit;
}
} else {
if (!TYPO3_db) {
// Redirects to the Install Tool:
echo '<script type="text/javascript">
/*<![CDATA[*/
window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
/*]]>*/
</script>';
exit;
}
$this->printError('The current username, password or host was not accepted when the connection to the database was attempted to be established!','Database Error');
exit;
}


// Call post processing function for DB connection:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

/**
* Looks up the value of $this->RDCT in the database and if it is found to be associated with a redirect URL then the redirection is carried out with a 'Location:' header
* May exit after sending a location-header.
*
* @return void
*/
function sendRedirect() {
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->RDCT, 'cache_md5params'));
if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
$this->updateMD5paramsRecord($this->RDCT);
header('Location: '.$row['params']);
exit;
}
}


















/********************************************
*
* Initializing, resolving page id
*
********************************************/


/**
* Initializes the front-end login user.
*
* @return void
*/
function initFEuser() {
$this->fe_user = t3lib_div::makeInstance('tslib_feUserAuth');

$this->fe_user->lockIP = $this->TYPO3_CONF_VARS['FE']['lockIP'];
$this->fe_user->lockHashKeyWords = $this->TYPO3_CONF_VARS['FE']['lockHashKeyWords'];
$this->fe_user->checkPid = $this->TYPO3_CONF_VARS['FE']['checkFeUserPid'];
$this->fe_user->lifetime = intval($this->TYPO3_CONF_VARS['FE']['lifetime']);
$this->fe_user->checkPid_value = $GLOBALS['TYPO3_DB']->cleanIntList(t3lib_div::_GP('pid')); // List of pid's acceptable

// Check if a session is transferred:
if (t3lib_div::_GP('FE_SESSION_KEY')) {
$fe_sParts = explode('-',t3lib_div::_GP('FE_SESSION_KEY'));
if (!strcmp(md5($fe_sParts[0].'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']), $fe_sParts[1])) { // If the session key hash check is OK:
$_COOKIE[$this->fe_user->name] = $fe_sParts[0];
$this->fe_user->forceSetCookie = 1;
}
}

if ($this->TYPO3_CONF_VARS['FE']['dontSetCookie']) {
$this->fe_user->dontSetCookie=1;
}

$this->fe_user->start();
$this->fe_user->unpack_uc('');
$this->fe_user->fetchSessionData(); // Gets session data
$recs = t3lib_div::_GP('recs');
if (is_array($recs)) { // If any record registration is submitted, register the record.
$this->fe_user->record_registration($recs, $this->TYPO3_CONF_VARS['FE']['maxSessionDataSize']);
}

// Call hook for possible manipulation of frontend user object
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}

// For every 60 seconds the is_online timestamp is updated.
if (is_array($this->fe_user->user) && $this->fe_user->user['uid'] && $this->fe_user->user['is_online']<($GLOBALS['EXEC_TIME']-60)) {
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('fe_users', 'uid='.intval($this->fe_user->user['uid']), array('is_online' => $GLOBALS['EXEC_TIME']));
}
}

/**
* Initializes the front-end user groups.
* Sets ->loginUser and ->gr_list based on front-end user status.
*
* @return void
*/
function initUserGroups() {

$this->fe_user->showHiddenRecords = $this->showHiddenRecords; // This affects the hidden-flag selecting the fe_groups for the user!
$this->fe_user->fetchGroupData(); // no matter if we have an active user we try to fetch matching groups which can be set without an user (simulation for instance!)

if (is_array($this->fe_user->user) && count($this->fe_user->groupData['uid'])) {
$this->loginUser=1; // global flag!
$this->gr_list = '0,-2'; // group -2 is not an existing group, but denotes a 'default' group when a user IS logged in. This is used to let elements be shown for all logged in users!
$gr_array = $this->fe_user->groupData['uid'];
} else {
$this->loginUser=0;
$this->gr_list = '0,-1'; // group -1 is not an existing group, but denotes a 'default' group when not logged in. This is used to let elements be hidden, when a user is logged in!

if ($this->loginAllowedInBranch) {
$gr_array = $this->fe_user->groupData['uid']; // For cases where logins are not banned from a branch usergroups can be set based on IP masks so we should add the usergroups uids.
} else {
$gr_array = array(); // Set to blank since we will NOT risk any groups being set when no logins are allowed!
}
}

// Clean up.
$gr_array = array_unique($gr_array); // Make unique...
sort($gr_array); // sort
if (count($gr_array)) {
$this->gr_list.=','.implode(',',$gr_array);
}

if ($this->fe_user->writeDevLog) t3lib_div::devLog('Valid usergroups for TSFE: '.$this->gr_list, 'tslib_fe');
}

/**
* Checking if a user is logged in or a group constellation different from "0,-1"
*
* @return boolean TRUE if either a login user is found (array fe_user->user) OR if the gr_list is set to something else than '0,-1' (could be done even without a user being logged in!)
*/
function isUserOrGroupSet() {
return is_array($this->fe_user->user) || $this->gr_list!=='0,-1';
}

/**
* Provides ways to bypass the '?id=[xxx]&type=[xx]' format, using either PATH_INFO or virtual HTML-documents (using Apache mod_rewrite)
*
* Three options:
* 1) Apache mod_rewrite: Here a .htaccess file maps all .html-files to index.php and then we extract the id and type from the name of that HTML-file. (AKA "simulateStaticDocuments")
* 2) Use PATH_INFO (also Apache) to extract id and type from that var. Does not require any special modules compiled with apache. (less typical)
* 3) Using hook which enables features like those provided from "realurl" extension (AKA "Speaking URLs")
*
* Support for RewriteRule to generate (simulateStaticDocuments)
* With the mod_rewrite compiled into apache, put these lines into a .htaccess in this directory:
* RewriteEngine On
* RewriteRule ^[^/]*\.html$ index.php
* The url must end with '.html' and the format must comply with either of these:
* 1: '[title].[id].[type].html' - title is just for easy recognition in the logfile!; no practical use of the title for TYPO3.
* 2: '[id].[type].html' - above, but title is omitted; no practical use of the title for TYPO3.
* 3: '[id].html' - only id, type is set to the default, zero!
* NOTE: In all case 'id' may be the uid-number OR the page alias (if any)
*
* @return void
* @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&cHash=4ad9d7acb4
*/
function checkAlternativeIdMethods() {

$this->siteScript = t3lib_div::getIndpEnv('TYPO3_SITE_SCRIPT');

// Resolving of "simulateStaticDocuments" URLs:
if ($this->siteScript && substr($this->siteScript,0,9)!='index.php') { // If there has been a redirect (basically; we arrived here otherwise than via "index.php" in the URL) this can happend either due to a CGI-script or because of reWrite rule. Earlier we used $_SERVER['REDIRECT_URL'] to check but
$uParts = parse_url($this->siteScript); // Parse the path:
$fI = t3lib_div::split_fileref($uParts['path']);

if (!$fI['path'] && $fI['file'] && substr($fI['file'],-5)=='.html') {
$parts = explode('.',$fI['file']);
$pCount = count($parts);
if ($pCount>2) {
$this->type = intval($parts[$pCount-2]);
$this->id = $parts[$pCount-3];
} else {
$this->type = 0;
$this->id = $parts[0];
}
}
}

// If PATH_INFO
if (t3lib_div::getIndpEnv('PATH_INFO')) { // If pathinfo contains stuff...
$parts=t3lib_div::trimExplode('/',t3lib_div::getIndpEnv('PATH_INFO'),1);
$parts[]='html';
$pCount = count($parts);
if ($pCount>2) {
$this->type = intval($parts[$pCount-2]);
$this->id = $parts[$pCount-3];
} else {
$this->type = 0;
$this->id = $parts[0];
}
$this->absRefPrefix_force=1;
}

// Call post processing function for custom URL methods.
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

/**
* Clears the preview-flags, sets sim_exec_time to current time.
* Hidden pages must be hidden as default, $GLOBALS['SIM_EXEC_TIME'] is set to $GLOBALS['EXEC_TIME'] in t3lib/config_default.inc. Alter it by adding or subtracting seconds.
*
* @return void
*/
function clear_preview() {
$this->showHiddenPage = 0;
$this->showHiddenRecords = 0;
$GLOBALS['SIM_EXEC_TIME'] = $GLOBALS['EXEC_TIME'];
$this->fePreview = 0;
}

/**
* Determines the id and evaluates any preview settings
* Basically this function is about determining whether a backend user is logged in, if he has read access to the page and if he's previewing the page. That all determines which id to show and how to initialize the id.
*
* @return void
*/
function determineId() {

// Getting ARG-v values if some
$this->setIDfromArgV();

// If there is a Backend login we are going to check for any preview settings:
$GLOBALS['TT']->push('beUserLogin','');
if ($this->beUserLogin || $this->doWorkspacePreview()) {

// Backend user preview features:
if ($this->beUserLogin) {
$this->fePreview = $GLOBALS['BE_USER']->extGetFeAdminValue('preview') ? 1 : 0;

// If admin panel preview is enabled...
if ($this->fePreview) {
$fe_user_OLD_USERGROUP = $this->fe_user->user['usergroup'];

$this->showHiddenPage = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenPages');
$this->showHiddenRecords = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenRecords');
// simulate date
$simTime = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateDate');
if ($simTime) $GLOBALS['SIM_EXEC_TIME']=$simTime;
// simulate user
$simUserGroup = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateUserGroup');
$this->simUserGroup = $simUserGroup;
if ($simUserGroup) $this->fe_user->user['usergroup']=$simUserGroup;
if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
$this->fePreview=0;
}
}
}

if ($this->id) {

// Now it's investigated if the raw page-id points to a hidden page and if so, the flag is set.
// This does not require the preview flag to be set in the admin panel
$idQ = t3lib_div::testInt($this->id) ? 'uid='.intval($this->id) : 'alias='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, 'pages').' AND pid>=0'; // pid>=0 added for the sake of versioning...
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('hidden', 'pages', $idQ.' AND hidden!=0 AND deleted=0');
if ($GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
$this->fePreview = 1; // The preview flag is set only if the current page turns out to actually be hidden!
$this->showHiddenPage = 1;
}

// For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
if (!$this->fePreview && $this->whichWorkspace()===0) {

// Initialize the page-select functions to check rootline:
$temp_sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
$temp_sys_page->init($this->showHiddenPage);

// If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
if (!count($temp_sys_page->getRootLine($this->id,$this->MP)) && $temp_sys_page->error_getRootLine_failPid==-1) {

// Setting versioningPreview flag and try again:
$temp_sys_page->versioningPreview = TRUE;
if (count($temp_sys_page->getRootLine($this->id,$this->MP))) {
// Finally, we got a root line (meaning that it WAS due to versioning preview of a page somewhere) and we set the fePreview flag which in itself will allow sys_page class to display previews of versionized records.
$this->fePreview = 1;
}
}
}
}

// The preview flag will be set if a backend user is in an offline workspace
if (($GLOBALS['BE_USER']->user['workspace_preview'] || t3lib_div::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace()===-1 || $this->whichWorkspace()>0)) {
$this->fePreview = 2; // Will show special preview message.
}

// If the front-end is showing a preview, caching MUST be disabled.
if ($this->fePreview) {
$this->set_no_cache();
}
}
$GLOBALS['TT']->pull();

// Now, get the id, validate access etc:
$this->fetch_the_id();

// Check if backend user has read access to this page. If not, recalculate the id.
if ($this->beUserLogin && $this->fePreview) {
if (!$GLOBALS['BE_USER']->doesUserHaveAccess($this->page,1)) {

// Resetting
$this->clear_preview();
$this->fe_user->user['usergroup'] = $fe_user_OLD_USERGROUP;

// Fetching the id again, now with the preview settings reset.
$this->fetch_the_id();
}
}

// Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
$this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
if (!$this->loginAllowedInBranch) { // Logins are not allowed:
if ($this->isUserOrGroupSet()) { // Only if there is a login will we run this...

// Clear out user and group:
unset($this->fe_user->user);
$this->gr_list = '0,-1';

// Fetching the id again, now with the preview settings reset.
$this->fetch_the_id();
}
}

// Final cleaning.
$this->id = $this->contentPid = intval($this->id); // Make sure it's an integer
$this->type = intval($this->type); // Make sure it's an integer

// Look for alternative content PID if page is under version preview:
if ($this->fePreview) {
if ($this->page['_ORIG_pid']==-1 && $this->page['t3ver_swapmode']==0) { // Current page must have been an offline version and have swapmode set to 0:
// Setting contentPid here for preview might not be completely correct to do. Strictly the "_ORIG_uid" value should be used for tables where "versioning_followPages" is set and for others not. However this is a working quick-fix to display content elements at least!
$this->contentPid = $this->page['_ORIG_uid'];
}
}

// Call post processing function for id determination:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

/**
* Get The Page ID
* This gets the id of the page, checks if the page is in the domain and if the page is accessible
* Sets variables such as $this->sys_page, $this->loginUser, $this->gr_list, $this->id, $this->type, $this->domainStartPage, $this->idParts
*
* @return void
* @access private
*/
function fetch_the_id() {
$GLOBALS['TT']->push('fetch_the_id initialize/','');

// Initialize the page-select functions.
$this->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
$this->sys_page->versioningPreview = $this->fePreview ? TRUE : FALSE;
$this->sys_page->versioningWorkspaceId = $this->whichWorkspace();
$this->sys_page->init($this->showHiddenPage);

// Set the valid usergroups for FE
$this->initUserGroups();

// Sets sys_page where-clause
$this->setSysPageWhereClause();

// Splitting $this->id by a period (.). First part is 'id' and second part - if exists - will overrule the &type param if given
$pParts = explode('.',$this->id);
$this->id = $pParts[0]; // Set it.
if (isset($pParts[1])) {$this->type=$pParts[1];}

// Splitting $this->id by a comma (,). First part is 'id' and other parts are just stored for use in scripts.
$this->idParts = explode(',',$this->id);

// Splitting by a '+' sign - used for base64/md5 methods of parameter encryption for simulate static documents.
list($pgID,$SSD_p)=explode('+',$this->idParts[0],2);
if ($SSD_p) { $this->idPartsAnalyze($SSD_p); }
$this->id = $pgID; // Set id

// If $this->id is a string, it's an alias
$this->checkAndSetAlias();

// The id and type is set to the integer-value - just to be sure...
$this->id = intval($this->id);
$this->type = intval($this->type);
$GLOBALS['TT']->pull();

// We find the first page belonging to the current domain
$GLOBALS['TT']->push('fetch_the_id domain/','');
$this->domainStartPage = $this->findDomainRecord($this->TYPO3_CONF_VARS['SYS']['recursiveDomainSearch']); // the page_id of the current domain
if (!$this->id) {
if ($this->domainStartPage) {
$this->id = $this->domainStartPage; // If the id was not previously set, set it to the id of the domain.
} else {
$theFirstPage = $this->sys_page->getFirstWebPage($this->id); // Find the first 'visible' page in that domain
if ($theFirstPage) {
$this->id = $theFirstPage['uid'];
} else {
$this->printError('No pages are found on the rootlevel!');
exit;
}
}
}
$GLOBALS['TT']->pull();

$GLOBALS['TT']->push('fetch_the_id rootLine/','');
$requestedId = $this->id; // We store the originally requested id
$this->getPageAndRootlineWithDomain($this->domainStartPage);
$GLOBALS['TT']->pull();

if ($this->pageNotFound && $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
$pNotFoundMsg = array(
1 => 'ID was not an accessible page',
2 => 'Subsection was found and not accessible',
3 => 'ID was outside the domain',
4 => 'The requested page alias does not exist'
);
$this->pageNotFoundAndExit($pNotFoundMsg[$this->pageNotFound]);
}

// set no_cache if set
if ($this->page['no_cache']) {
$this->set_no_cache();
}

// Init SYS_LASTCHANGED
$this->register['SYS_LASTCHANGED'] = intval($this->page['tstamp']);
if ($this->register['SYS_LASTCHANGED'] < intval($this->page['SYS_LASTCHANGED'])) {
$this->register['SYS_LASTCHANGED'] = intval($this->page['SYS_LASTCHANGED']);
}
}

/**
* Gets the page and rootline arrays based on the id, $this->id
*
* If the id does not correspond to a proper page, the 'previous' valid page in the rootline is found
* If the page is a shortcut (doktype=4), the ->id is loaded with that id
*
* Whether or not the ->id is changed to the shortcut id or the previous id in rootline (eg if a page is hidden), the ->page-array and ->rootline is found and must also be valid.
*
* Sets or manipulates internal variables such as: $this->id, $this->page, $this->rootLine, $this->MP, $this->pageNotFound
*
* @return void
* @access private
*/
function getPageAndRootline() {
$this->page = $this->sys_page->getPage($this->id);
if (!count($this->page)) {
// If no page, we try to find the page before in the rootLine.
$this->pageNotFound=1; // Page is 'not found' in case the id itself was not an accessible page. code 1
$this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
if (count($this->rootLine)) {
$c=count($this->rootLine)-1;
while($c>0) {

// Add to page access failure history:
$this->pageAccessFailureHistory['direct_access'][] = $this->rootLine[$c];

// Decrease to next page in rootline and check the access to that, if OK, set as page record and ID value.
$c--;
$this->id = $this->rootLine[$c]['uid'];
$this->page = $this->sys_page->getPage($this->id);
if (count($this->page)){ break; }
}
}
// If still no page...
if (!count($this->page)) {
if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
$this->pageNotFoundAndExit('The requested page does not exist!');
} else {
$this->printError('The requested page does not exist!');
exit;
}
}
}

// spacer is not accessible in frontend
if ($this->page['doktype'] == 199) {
if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
$this->pageNotFoundAndExit('The requested page does not exist!');
} else {
$this->printError('The requested page does not exist!');
exit;
}
}

// Is the ID a link to another page??
if ($this->page['doktype']==4) {
$this->MP = ''; // We need to clear MP if the page is a shortcut. Reason is if the short cut goes to another page, then we LEAVE the rootline which the MP expects.
$this->page = $this->getPageShortcut($this->page['shortcut'],$this->page['shortcut_mode'],$this->page['uid']);
$this->id = $this->page['uid'];
}

// Gets the rootLine
$this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);

// If not rootline we're off...
if (!count($this->rootLine)) {
$this->printError('The requested page didn\'t have a proper connection to the tree-root! <br /><br />('.$this->sys_page->error_getRootLine.')');
exit;
}

// Checking for include section regarding the hidden/starttime/endtime/fe_user (that is access control of a whole subbranch!)
if ($this->checkRootlineForIncludeSection()) {
if (!count($this->rootLine)) {
$this->printError('The requested page was not accessible!');
exit;
} else {
$el = reset($this->rootLine);
$this->id = $el['uid'];
$this->page = $this->sys_page->getPage($this->id);
$this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
}
}
}

/**
* Get page shortcut; Finds the records pointed to by input value $SC (the shortcut value)
*
* @param integer The value of the "shortcut" field from the pages record
* @param integer The shortcut mode: 1 and 2 will select either first subpage or random subpage; the default is the page pointed to by $SC
* @param integer The current page UID of the page which is a shortcut
* @param integer Safety feature which makes sure that the function is calling itself recursively max 20 times (since this function can find shortcuts to other shortcuts to other shortcuts...)
* @param array An array filled with previous page uids tested by the function - new page uids are evaluated against this to avoid going in circles.
* @return mixed Returns the page record of the page that the shortcut pointed to.
* @access private
* @see getPageAndRootline()
*/
function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array()) {
$idArray = t3lib_div::intExplode(',',$SC);

// Find $page record depending on shortcut mode:
switch($mode) {
case 1:
case 2:
$pageArray = $this->sys_page->getMenu($idArray[0]?$idArray[0]:$thisUid,'*','sorting','AND pages.doktype<199 AND pages.doktype!=6');
$pO = 0;
if ($mode==2 && count($pageArray)) { // random
$this->make_seed();
$randval = intval(rand(0,count($pageArray)-1));
$pO = $randval;
}
$c = 0;
reset($pageArray);
while(list(,$pV)=each($pageArray)) {
if ($c==$pO) {
$page = $pV;
break;
}
$c++;
}
break;
default:
$page = $this->sys_page->getPage($idArray[0]);
break;
}

// Check if short cut page was a shortcut itself, if so look up recursively:
if ($page['doktype']==4) {
if (!in_array($page['uid'],$pageLog) && $itera>0) {
$pageLog[] = $page['uid'];
$page = $this->getPageShortcut($page['shortcut'],$page['shortcut_mode'],$page['uid'],$itera-1,$pageLog);
} else {
$pageLog[] = $page['uid'];
$this->printError('Page shortcuts were looping in uids '.implode(',',$pageLog).'...!');
exit;
}
}
// Return resulting page:
return $page;
}

/**
* Checks the current rootline for defined sections.
*
* @return boolean
* @access private
*/
function checkRootlineForIncludeSection() {
$c=count($this->rootLine);
$removeTheRestFlag=0;

for ($a=0;$a<$c;$a++) {
if (!$this->checkPagerecordForIncludeSection($this->rootLine[$a])) {
// Add to page access failure history:
$this->pageAccessFailureHistory['sub_section'][] = $this->rootLine[$a];
$removeTheRestFlag=1;
}
if ($this->rootLine[$a]['doktype']==6) {
if ($this->beUserLogin) { // If there is a backend user logged in, check if he has read access to the page:
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($this->id).' AND '.$GLOBALS['BE_USER']->getPagePermsClause(1)); // versionOL()?
list($isPage) = $GLOBALS['TYPO3_DB']->sql_fetch_row($res);
if (!$isPage) $removeTheRestFlag=1; // If there was no page selected, the user apparently did not have read access to the current PAGE (not position in rootline) and we set the remove-flag...
} else { // Dont go here, if there is no backend user logged in.
$removeTheRestFlag=1;
}
}
if ($removeTheRestFlag) {
$this->pageNotFound=2; // Page is 'not found' in case a subsection was found and not accessible, code 2
unset($this->rootLine[$a]);
}
}
return $removeTheRestFlag;
}

/**
* Checks page record for enableFields
* Returns true if enableFields does not disable the page record.
* Takes notice of the ->showHiddenPage flag and uses SIM_EXEC_TIME for start/endtime evaluation
*
* @param array The page record to evaluate (needs fields: hidden, starttime, endtime, fe_group)
* @param boolean Bypass group-check
* @return boolean True, if record is viewable.
* @see tslib_cObj::getTreeList(), checkPagerecordForIncludeSection()
*/
function checkEnableFields($row,$bypassGroupCheck=FALSE) {
if ((!$row['hidden'] || $this->showHiddenPage)
&& $row['starttime']<=$GLOBALS['SIM_EXEC_TIME']
&& ($row['endtime']==0 || $row['endtime']>$GLOBALS['SIM_EXEC_TIME'])
&& ($bypassGroupCheck || $this->checkPageGroupAccess($row))
) { return TRUE; }
}

/**
* Check group access against a page record
*
* @param array The page record to evaluate (needs field: fe_group)
* @param mixed List of group id's (comma list or array). Default is $this->gr_list
* @return boolean True, if group access is granted.
* @access private
*/
function checkPageGroupAccess($row, $groupList=NULL) {
if(is_null($groupList)) {
$groupList = $this->gr_list;
}
if(!is_array($groupList)) {
$groupList = explode(',', $groupList);
}
$pageGroupList = explode(',', $row['fe_group'] ? $row['fe_group'] : 0);
return count(array_intersect($groupList, $pageGroupList)) > 0;
}

/**
* Checks page record for include section
*
* @param array The page record to evaluate (needs fields: extendToSubpages + hidden, starttime, endtime, fe_group)
* @return boolean Returns true if either extendToSubpages is not checked or if the enableFields does not disable the page record.
* @access private
* @see checkEnableFields(), tslib_cObj::getTreeList(), checkRootlineForIncludeSection()
*/
function checkPagerecordForIncludeSection($row) {
return (!$row['extendToSubpages'] || $this->checkEnableFields($row)) ? 1 : 0;
}

/**
* Checks if logins are allowed in the current branch of the page tree. Traverses the full root line and returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
*
* @return boolean returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
*/
function checkIfLoginAllowedInBranch() {

// Initialize:
$c = count($this->rootLine);
$disable = FALSE;

// Traverse root line from root and outwards:
for ($a=0; $a<$c; $a++) {

// If a value is set for login state:
if ($this->rootLine[$a]['fe_login_mode'] > 0) {

// Determine state from value:
$disable = (int)$this->rootLine[$a]['fe_login_mode'] === 1 ? TRUE : FALSE;
}
}

return !$disable;
}

/**
* Analysing $this->pageAccessFailureHistory into a summary array telling which features disabled display and on which pages and conditions. That data can be used inside a page-not-found handler
*
* @return array Summary of why page access was not allowed.
*/
function getPageAccessFailureReasons() {
$output = array();

$combinedRecords = array_merge(
is_array($this->pageAccessFailureHistory['direct_access']) ? $this->pageAccessFailureHistory['direct_access'] : array(array('fe_group'=>0)), // Adding fake first record for direct access if none, otherwise $k==0 below will be indicating a sub-section record to be first direct_access record which is of course false!
is_array($this->pageAccessFailureHistory['sub_section']) ? $this->pageAccessFailureHistory['sub_section'] : array()
);

if (count($combinedRecords)) {
foreach($combinedRecords as $k => $pagerec) {
// If $k=0 then it is the very first page the original ID was pointing at and that will get a full check of course
// If $k>0 it is parent pages being tested. They are only significant for the access to the first page IF they had the extendToSubpages flag set, hence checked only then!
if (!$k || $pagerec['extendToSubpages']) {
if ($pagerec['hidden']) $output['hidden'][$pagerec['uid']] = TRUE;
if ($pagerec['starttime'] > $GLOBALS['SIM_EXEC_TIME']) $output['starttime'][$pagerec['uid']] = $pagerec['starttime'];
if ($pagerec['endtime']!=0 && $pagerec['endtime'] <= $GLOBALS['SIM_EXEC_TIME']) $output['endtime'][$pagerec['uid']] = $pagerec['endtime'];
if (!$this->checkPageGroupAccess($pagerec)) $output['fe_group'][$pagerec['uid']] = $pagerec['fe_group'];
}
}
}

return $output;
}

/**
* This checks if there are ARGV-parameters in the QUERY_STRING and if so, those are used for the id
* $this->id must be 'false' in order for any processing to happen in here
* If an id/alias value is extracted from the QUERY_STRING it is set in $this->id
*
* @return void
* @access private
*/
function setIDfromArgV() {
if (!$this->id) {
list($theAlias) = explode('&',t3lib_div::getIndpEnv('QUERY_STRING'));
$theAlias = trim($theAlias);
$this->id = $theAlias ? $theAlias : 0;
}
}

/**
* Gets ->page and ->rootline information based on ->id. ->id may change during this operation.
* If not inside domain, then default to first page in domain.
*
* @param integer Page uid of the page where the found domain record is (pid of the domain record)
* @return void
* @access private
*/
function getPageAndRootlineWithDomain($domainStartPage) {
$this->getPageAndRootline();

// Checks if the $domain-startpage is in the rootLine. This is necessary so that references to page-id's from other domains are not possible.
if ($domainStartPage && is_array($this->rootLine)) {
reset ($this->rootLine);
$idFound = 0;
while(list($key,$val)=each($this->rootLine)) {
if ($val['uid']==$domainStartPage) {
$idFound=1;
break;
}
}
if (!$idFound) {
$this->pageNotFound=3; // Page is 'not found' in case the id was outside the domain, code 3
$this->id = $domainStartPage;
$this->getPageAndRootline(); //re-get the page and rootline if the id was not found.
}
}
}

/**
* Sets sys_page where-clause
*
* @return void
* @access private
*/
function setSysPageWhereClause() {
$this->sys_page->where_hid_del.=' AND pages.doktype<200';
$this->sys_page->where_groupAccess = $this->sys_page->getMultipleGroupsWhereClause('pages.fe_group', 'pages');
}

/**
* Looking up a domain record based on HTTP_HOST
*
* @param boolean If set, it looks "recursively" meaning that a domain like "123.456.typo3.com" would find a domain record like "typo3.com" if "123.456.typo3.com" or "456.typo3.com" did not exist.
* @return integer Returns the page id of the page where the domain record was found.
* @access private
*/
function findDomainRecord($recursive=0) {
if ($recursive) {
$host = explode('.',t3lib_div::getIndpEnv('HTTP_HOST'));
while(count($host)) {
$pageUid = $this->sys_page->getDomainStartPage(implode('.',$host),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
if ($pageUid) return $pageUid; else array_shift($host);
}
return $pageUid;
} else {
return $this->sys_page->getDomainStartPage(t3lib_div::getIndpEnv('HTTP_HOST'),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
}
}

/**
* Page-not-found handler for use in frontend plugins from extensions.
*
* @param string Reason text
* @param string HTTP header to send
* @return void Function exits.
*/
function pageNotFoundAndExit($reason='', $header='') {
$header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling_statheader'];
$this->pageNotFoundHandler($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling'], $header, $reason);
exit;
}

/**
* Page not found handler.
* Exits.
*
* @param mixed Which type of handling; If a true PHP-boolean and TRUE then a ->printError message is outputted. If integer an error message with that number is shown. Otherwise the $code value is expected to be a "Location:" header value.
* @param string If set, this is passed directly to the PHP function, header()
* @param string If set, error messages will also mention this as the reason for the page-not-found.
* @return void (The function exits!)
*/
function pageNotFoundHandler($code, $header='', $reason='') {
// Issue header in any case:
if ($header) {header($header);}

// Create response:
if (gettype($code)=='boolean' || !strcmp($code,1)) { // Simply boolean; Just shows TYPO3 error page with reason:
$this->printError('The page did not exist or was inaccessible.'.($reason ? ' Reason: '.htmlspecialchars($reason) : ''));
} elseif (t3lib_div::isFirstPartOfStr($code,'USER_FUNCTION:')) {
$funcRef = trim(substr($code,14));
$params = array(
'currentUrl' => t3lib_div::getIndpEnv('REQUEST_URI'),
'reasonText' => $reason,
'pageAccessFailureReasons' => $this->getPageAccessFailureReasons()
);
echo t3lib_div::callUserFunction($funcRef,$params,$this);
} elseif (t3lib_div::isFirstPartOfStr($code,'READFILE:')) {
$readFile = t3lib_div::getFileAbsFileName(trim(substr($code,9)));
if (@is_file($readFile)) {
$fileContent = t3lib_div::getUrl($readFile);
$fileContent = str_replace('###CURRENT_URL###', t3lib_div::getIndpEnv('REQUEST_URI'), $fileContent);
$fileContent = str_replace('###REASON###', htmlspecialchars($reason), $fileContent);
echo $fileContent;
} else {
$this->printError('Configuration Error: 404 page "'.$readFile.'" could not be found.');
}
} elseif (strlen($code)) {
// Check if URL is relative
$url_parts = parse_url($code);
if ($url_parts['host'] == '') {
$url_parts['host'] = t3lib_div::getIndpEnv('HTTP_HOST');
$code = t3lib_div::getIndpEnv('TYPO3_REQUEST_HOST') . $code;
$checkBaseTag = false;
} else {
$checkBaseTag = true;
}

// Check recursion
if ($code == t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
if ($reason == '') {
$reason = 'Page cannot be found.';
}
$reason.= chr(10) . chr(10) . 'Additionally, ' . $code . ' was not found while trying to retrieve the error document.';
$this->printError('Reason: '.nl2br(htmlspecialchars($reason)));
exit();
}

// Prepare headers
$headers = array(
'User-agent: ' . t3lib_div::getIndpEnv('HTTP_USER_AGENT'),
'Referer: ' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')
);
$content = t3lib_div::getURL($code, 0, $headers);
if (false === $content) {
// Last chance -- redirect
header('Location: '.t3lib_div::locationHeaderUrl($code));
} else {
// Put <base> if necesary
if ($checkBaseTag) {

// If content already has <base> tag, we do not need to do anything
if (false === stristr($content, '<base ')) {

// Generate href for base tag
$base = $url_parts['scheme'] . '://';
if ($url_parts['user'] != '') {
$base.= $url_parts['user'];
if ($url_parts['pass'] != '') {
$base.= ':' . $url_parts['pass'];
}
$base.= '@';
}
$base.= $url_parts['host'];

// Add path portion skipping possible file name
$base.= preg_replace('/(.*\/)[^\/]*/', '\1', $url_parts['path']);

// Put it into content (generate also <head> if necessary)
$replacement = chr(10) . '<base href="' . htmlentities($base) . '" />' . chr(10);
if (stristr($content, '<head>')) {
$content = preg_replace('/(<head>)/i', '\1' . $replacement, $content);
} else {
$content = preg_replace('/(<html[^>]*>)/i', '\1<head>' . $replacement . '</head>', $content);
}
}
}
echo $content; // Output the content
}
} else {
$this->printError($reason ? 'Reason: '.htmlspecialchars($reason) : 'Page cannot be found.');
}
exit();
}

/**
* Fetches the integer page id for a page alias.
* Looks if ->id is not an integer and if so it will search for a page alias and if found the page uid of that page is stored in $this->id
*
* @return void
* @access private
*/
function checkAndSetAlias() {
if ($this->id && !t3lib_div::testInt($this->id)) {
$aid = $this->sys_page->getPageIdFromAlias($this->id);
if ($aid) {
$this->id = $aid;
} else {
$this->pageNotFound = 4;
}
}
}

/**
* Analyzes the second part of a id-string (after the "+"), looking for B6 or M5 encoding and if found it will resolve it and restore the variables in global $_GET
* If values for ->cHash, ->no_cache, ->jumpurl and ->MP is found, they are also loaded into the internal vars of this class.
*
* @param string String to analyze
* @return void
* @access private
*/
function idPartsAnalyze($str) {
$GET_VARS = '';
switch(substr($str,0,2)) {
case 'B6':
$addParams = base64_decode(str_replace('_','=',str_replace('-','/',substr($str,2))));
parse_str($addParams,$GET_VARS);
break;
case 'M5':
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr(substr($str,2), 'cache_md5params'));
$row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);

$this->updateMD5paramsRecord(substr($str,2));
parse_str($row['params'],$GET_VARS);
break;
}

$this->mergingWithGetVars($GET_VARS);
}

/**
* Merging values into the global $_GET
*
* @param array Array of key/value pairs that will be merged into the current GET-vars. (Non-escaped values)
* @return void
*/
function mergingWithGetVars($GET_VARS) {
if (is_array($GET_VARS)) {
$realGet = t3lib_div::_GET(); // Getting $_GET var, unescaped.
if (!is_array($realGet)) $realGet = array();

// Merge new values on top:
$realGet = t3lib_div::array_merge_recursive_overrule($realGet,$GET_VARS);

// Write values back to $_GET:
t3lib_div::_GETset($realGet);

// Setting these specifically (like in the init-function):
if (isset($GET_VARS['type'])) $this->type = intval($GET_VARS['type']);
if (isset($GET_VARS['cHash'])) $this->cHash = $GET_VARS['cHash'];
if (isset($GET_VARS['jumpurl'])) $this->jumpurl = $GET_VARS['jumpurl'];
if (isset($GET_VARS['MP'])) $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? $GET_VARS['MP'] : '';

if (isset($GET_VARS['no_cache']) && $GET_VARS['no_cache']) $this->set_no_cache();
}
}

/**
* Looking for a ADMCMD_prev code, looks it up if found and returns configuration data.
* Background: From the backend a request to the frontend to show a page, possibly with workspace preview can be "recorded" and associated with a keyword. When the frontend is requested with this keyword the associated request parameters are restored from the database AND the backend user is loaded - only for that request.
* The main point is that a special URL valid for a limited time, eg. http://localhost/typo3site/?ADMCMD_prev=035d9bf938bd23cb657735f68a8cedbf will open up for a preview that doesn't require login. Thus its useful for sending an email.
* This can also be used to generate previews of hidden pages, start/endtimes, usergroups and those other settings from the Admin Panel - just not implemented yet.
*
* @return array Preview configuration array from sys_preview record.
* @see t3lib_BEfunc::compilePreviewKeyword()
*/
function ADMCMD_preview(){
$inputCode = t3lib_div::_GP('ADMCMD_prev');

if ($inputCode) {

// Look for keyword configuration record:
list($previewData) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
'*',
'sys_preview',
'keyword='.$GLOBALS['TYPO3_DB']->fullQuoteStr($inputCode, 'sys_preview').
' AND endtime>'.time()
);

// Get: Backend login status, Frontend login status
// - Make sure to remove fe/be cookies (temporarily); BE already done in ADMCMD_preview_postInit()
if (is_array($previewData)) {
if (!count(t3lib_div::_POST())) {
if (t3lib_div::getIndpEnv('TYPO3_SITE_URL').'?ADMCMD_prev='.$inputCode === t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {

// Unserialize configuration:
$previewConfig = unserialize($previewData['config']);

// Set GET variables:
$GET_VARS = '';
parse_str($previewConfig['getVars'], $GET_VARS);
t3lib_div::_GETset($GET_VARS);

// Return preview keyword configuration:
return $previewConfig;
} else die(htmlspecialchars('Request URL did not match "'.t3lib_div::getIndpEnv('TYPO3_SITE_URL').'?ADMCMD_prev='.$inputCode.'"')); // This check is to prevent people from setting additional GET vars via realurl or other URL path based ways of passing parameters.
} else die('POST requests are incompatible with keyword preview.');
} else die('ADMCMD command could not be executed! (No keyword configuration found)');
}
}

/**
* Configuration after initialization of TSFE object.
* Basically this unsets the BE cookie if any and forces the BE user set according to the preview configuration.
*
* @param array Preview configuration, see ADMCMD_preview()
* @return void
* @see ADMCMD_preview(), index_ts.php
*/
function ADMCMD_preview_postInit($previewConfig){
if (is_array($previewConfig)) {

// Clear cookies:
unset($_COOKIE['be_typo_user']);
$this->ADMCMD_preview_BEUSER_uid = $previewConfig['BEUSER_uid'];

} else die('Error in preview configuration.');
}











/********************************************
*
* Template and caching related functions.
*
*******************************************/

/**
* Calculates a hash string based on additional parameters in the url. This is used to cache pages with more parameters than just id and type
*
* @return void
* @see reqCHash()
*/
function makeCacheHash() {
$GET = t3lib_div::_GET();
if ($this->cHash && is_array($GET)) {
$this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
$cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));

if ($cHash_calc!=$this->cHash) {
if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
$this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
} else {
$this->set_no_cache();
$GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$this->cHash.'" and calculated cHash "'.$cHash_calc.'" did not match, so caching was disabled. The fieldlist used was "'.implode(',',array_keys($this->cHash_array)).'"',2);
}
}
}
}

/**
* Will disable caching if the cHash value was not set.
* This function should be called to check the _existence_ of "&cHash" whenever a plugin generating cachable output is using extra GET variables. If there _is_ a cHash value the validation of it automatically takes place in makeCacheHash() (see above)
*
* @return void
* @see makeCacheHash(), tslib_pibase::pi_cHashCheck()
*/
function reqCHash() {
if (!$this->cHash) {
if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
if ($this->tempContent) { $this->clearPageCacheContent(); }
$this->pageNotFoundAndExit('Request parameters could not be validated (&cHash empty)');
} else {
$this->set_no_cache();
$GLOBALS['TT']->setTSlogMessage('TSFE->reqCHash(): No &cHash parameter was sent for GET vars though required so caching is disabled ',2);
}
}
}

/**
* Splits the input query-parameters into an array with certain parameters filtered out.
* Used to create the cHash value
*
* @param string Query-parameters: "&xxx=yyy&zzz=uuu"
* @return array Array with key/value pairs of query-parameters WITHOUT a certain list of variable names (like id, type, no_cache etc) and WITH a variable, encryptionKey, specific for this server/installation
* @access private
* @see makeCacheHash(), tslib_cObj::typoLink()
* @obsolete
*/
function cHashParams($addQueryParams) {
return t3lib_div::cHashParams($addQueryParams);
}

/**
* Initialize the TypoScript template parser
*
* @return void
*/
function initTemplate() {
$this->tmpl = t3lib_div::makeInstance('t3lib_TStemplate');
$this->tmpl->init();
$this->tmpl->tt_track= $this->beUserLogin ? 1 : 0;
}

/**
* See if page is in cache and get it if so
* Stores the page content in $this->content if something is found.
*
* @return void
*/
function getFromCache() {
$this->tmpl->getCurrentPageData();
$cc = Array();
if (is_array($this->tmpl->currentPageData)) {
// BE CAREFULL to change the content of the cc-array. This array is serialized and an md5-hash based on this is used for caching the page.
// If this hash is not the same in here in this section and after page-generation the page will not be properly cached!

$cc['all'] = $this->tmpl->currentPageData['all'];
$cc['rowSum'] = $this->tmpl->currentPageData['rowSum'];
$cc['rootLine'] = $this->tmpl->currentPageData['rootLine']; // This rootline is used with templates only (matching()-function)
$this->all = $this->tmpl->matching($cc); // This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
ksort($this->all);
}

$this->content=''; // clearing the content-variable, which will hold the pagecontent
unset($this->config); // Unsetting the lowlevel config
$this->cacheContentFlag = 0;

// Look for page in cache only if caching is not disabled and if a shift-reload is not sent to the server.
if ($this->all && !$this->no_cache && !$this->headerNoCache()) {

$this->newHash = $this->getHash();

$GLOBALS['TT']->push('Cache Row','');
if ($row = $this->getFromCache_queryRow()) {

$this->config = (array)unserialize($row['cache_data']); // Fetches the lowlevel config stored with the cached data
$this->content = $row['HTML']; // Getting the content
$this->tempContent = $row['temp_content']; // Flag for temp content
$this->cacheContentFlag = 1; // Setting flag, so we know, that some cached content is gotten.
$this->cacheExpires = $row['expires'];

if ($this->TYPO3_CONF_VARS['FE']['debug'] || $this->config['config']['debug']) {
$this->content.=chr(10).'<!-- Cached page generated '.Date('d/m Y H:i', $row['tstamp']).'. Expires '.Date('d/m Y H:i', $row['expires']).' -->';
}

}
$GLOBALS['TT']->pull();
}
}

/**
* Returning the cached version of page with hash ->newHash
*
* @return array Cached row, if any. Otherwise void.
*/
function getFromCache_queryRow() {

$GLOBALS['TT']->push('Cache Query','');
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
'S.*',
'cache_pages S,pages P',
'S.hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->newHash, 'cache_pages').'
AND S.page_id=P.uid
AND S.expires > '.intval($GLOBALS['EXEC_TIME']).'
AND P.deleted=0
AND P.hidden=0
AND P.starttime<='.intval($GLOBALS['EXEC_TIME']).'
AND (P.endtime=0 OR P.endtime>'.intval($GLOBALS['EXEC_TIME']).')'
);
$GLOBALS['TT']->pull();

if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
$this->pageCachePostProcess($row,'get');
}
$GLOBALS['TYPO3_DB']->sql_free_result($res);
return $row;
}

/**
* Detecting if shift-reload has been clicked
* Will not be called if re-generation of page happens by other reasons (for instance that the page is not in cache yet!)
* Also, a backend user MUST be logged in for the shift-reload to be detected due to DoS-attack-security reasons.
*
* @return boolean If shift-reload in client browser has been clicked, disable getting cached page (and regenerate it).
*/
function headerNoCache() {
$disableAcquireCacheData = FALSE;

if ($this->beUserLogin) {
if (strtolower($_SERVER['HTTP_CACHE_CONTROL'])==='no-cache' || strtolower($_SERVER['HTTP_PRAGMA'])==='no-cache') {
$disableAcquireCacheData = TRUE;
}
}

// Call hook for possible by-pass of requiring of page cache (for recaching purpose)
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'])) {
$_params = array('pObj' => &$this, 'disableAcquireCacheData' => &$disableAcquireCacheData);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}

return $disableAcquireCacheData;
}

/**
* Calculates the cache-hash
* This hash is unique to the template, the variables ->id, ->type, ->gr_list (list of groups), ->MP (Mount Points) and cHash array
* Used to get and later store the cached data.
*
* @return string MD5 hash of $this->hash_base which is a serialized version of there variables.
* @access private
* @see getFromCache()
*/
function getHash() {
$this->hash_base = serialize(
array(
'all' => $this->all,
'id' => intval($this->id),
'type' => intval($this->type),
'gr_list' => (string)$this->gr_list,
'MP' => (string)$this->MP,
'cHash' => $this->cHash_array
)
);

return md5($this->hash_base);
}

/**
* Checks if config-array exists already but if not, gets it
*
* @return void
*/
function getConfigArray() {
$setStatPageName = false;

if (!is_array($this->config) || is_array($this->config['INTincScript']) || $this->forceTemplateParsing) { // If config is not set by the cache (which would be a major mistake somewhere) OR if INTincScripts-include-scripts have been registered, then we must parse the template in order to get it
$GLOBALS['TT']->push('Parse template','');

// Force parsing, if set?:
$this->tmpl->forceTemplateParsing = $this->forceTemplateParsing;

// Start parsing the TS template. Might return cached version.
$this->tmpl->start($this->rootLine);
$GLOBALS['TT']->pull();

if ($this->tmpl->loaded) {
$GLOBALS['TT']->push('Setting the config-array','');
// t3lib_div::print_array($this->tmpl->setup);
$this->sPre = $this->tmpl->setup['types.'][$this->type]; // toplevel - objArrayName
$this->pSetup = $this->tmpl->setup[$this->sPre.'.'];

if (!is_array($this->pSetup)) {
$this->printError('The page is not configured! [type= '.$this->type.']['.$this->sPre.']');
exit;
} else {
$this->config['config']=Array();

// Filling the config-array.
if (is_array($this->tmpl->setup['config.'])) {
$this->config['config'] = $this->tmpl->setup['config.'];
}
if (is_array($this->pSetup['config.'])) {
reset($this->pSetup['config.']);
while(list($theK,$theV)=each($this->pSetup['config.'])) {
$this->config['config'][$theK] = $theV;
}
}
// if .simulateStaticDocuments was not present, the default value will rule.
if (!isset($this->config['config']['simulateStaticDocuments'])) {
$this->config['config']['simulateStaticDocuments'] = trim($this->TYPO3_CONF_VARS['FE']['simulateStaticDocuments']);
}
if ($this->config['config']['simulateStaticDocuments']) {
// Set replacement char only if it is needed
$this->setSimulReplacementChar();
}

// set default values for removeDefaultJS and inlineStyle2TempFile so CSS and JS are externalized if compatversion is higher than 4.0
if (!isset($this->config['config']['removeDefaultJS']) && t3lib_div::compat_version('4.0')) {
$this->config['config']['removeDefaultJS'] = 'external';
}
if (!isset($this->config['config']['inlineStyle2TempFile']) && t3lib_div::compat_version('4.0')) {
$this->config['config']['inlineStyle2TempFile'] = 1;
}

// Processing for the config_array:
$this->config['rootLine'] = $this->tmpl->rootLine;
$this->config['mainScript'] = trim($this->config['config']['mainScript']) ? trim($this->config['config']['mainScript']) : 'index.php';

// STAT:
$theLogFile = $this->TYPO3_CONF_VARS['FE']['logfile_dir'].$this->config['config']['stat_apache_logfile'];
// Add PATH_site left to $theLogFile if the path is not absolute yet
if (!t3lib_div::isAbsPath($theLogFile)) $theLogFile = PATH_site.$theLogFile;

if ($this->config['config']['stat_apache'] && $this->config['config']['stat_apache_logfile'] && !strstr($this->config['config']['stat_apache_logfile'],'/')) {
if (t3lib_div::isAllowedAbsPath($theLogFile)) {
if (!@is_file($theLogFile)) {
touch($theLogFile); // Try to create the logfile
t3lib_div::fixPermissions($theLogFile);
}

if (@is_file($theLogFile) && @is_writable($theLogFile)) {
$this->config['stat_vars']['logFile'] = $theLogFile;
$setStatPageName = true; // Set page name later on
} else {
$GLOBALS['TT']->setTSlogMessage('Could not set logfile path. Check filepath and permissions.',3);
}
}
}

$this->config['FEData'] = $this->tmpl->setup['FEData'];
$this->config['FEData.'] = $this->tmpl->setup['FEData.'];
}
$GLOBALS['TT']->pull();
} else {
$this->printError('No template found!');
exit;
}
}

// Initialize charset settings etc.
$this->initLLvars();

// We want nice names, so we need to know the charset
if ($setStatPageName) {
if ($this->config['config']['stat_apache_niceTitle']) {
$shortTitle = $this->csConvObj->specCharsToASCII($this->renderCharset,$this->page['title']);
} else {
$shortTitle = $this->page['title'];
}
$shortTitle = substr(preg_replace('/[^.[:alnum:]_-]/','_',$shortTitle),0,30);
$pageName = $this->config['config']['stat_apache_pagenames'] ? $this->config['config']['stat_apache_pagenames'] : '[path][title]--[uid].html';
$pageName = str_replace('[title]', $shortTitle ,$pageName);
$pageName = str_replace('[uid]',$this->page['uid'],$pageName);
$pageName = str_replace('[alias]',$this->page['alias'],$pageName);
$pageName = str_replace('[type]',$this->type,$pageName);
$temp = $this->config['rootLine'];
array_pop($temp);
if ($this->config['config']['stat_apache_noRoot']) {
array_shift($temp);
}
$len = t3lib_div::intInRange($this->config['config']['stat_titleLen'],1,100,20);
if ($this->config['config']['stat_apache_niceTitle']) {
$path = $this->csConvObj->specCharsToASCII($this->renderCharset,$this->sys_page->getPathFromRootline($temp,$len));
} else {
$path = $this->sys_page->getPathFromRootline($temp,$len);
}
$this->config['stat_vars']['pageName'] = str_replace('[path]', preg_replace('/[^.[:alnum:]\/_-]/','_',$path.'/'), $pageName);
}

// No cache
if ($this->config['config']['no_cache']) { $this->set_no_cache(); } // Set $this->no_cache true if the config.no_cache value is set!

// Check PATH_INFO url
if ($this->absRefPrefix_force && strcmp($this->config['config']['simulateStaticDocuments'],'PATH_INFO')) {
$redirectUrl = t3lib_div::getIndpEnv('TYPO3_REQUEST_DIR').'index.php?id='.$this->id.'&type='.$this->type;
if ($this->config['config']['simulateStaticDocuments_dontRedirectPathInfoError']) {
$this->printError('PATH_INFO was not configured for this website, and the URL tries to find the page by PATH_INFO!<br /><br /><a href="'.htmlspecialchars($redirectUrl).'">Click here to get to the right page.</a>','Error: PATH_INFO not configured');
} else {
header('Location: '.t3lib_div::locationHeaderUrl($redirectUrl));
}
exit;
// $this->set_no_cache(); // Set no_cache if PATH_INFO is NOT used as simulateStaticDoc. and if absRefPrefix_force shows that such an URL has been passed along.
}
}














/********************************************
*
* Further initialization and data processing
* (jumpurl/submission of forms)
*
*******************************************/

/**
* Get the compressed $TCA array for use in the front-end
* A compressed $TCA array holds only the ctrl- and feInterface-part for each table. But the column-definitions are omitted in order to save some memory and be more efficient.
* Operates on the global variable, $TCA
*
* @return void
* @see includeTCA()
*/
function getCompressedTCarray() {
global $TCA;

$GLOBALS['TT']->push('Get Compressed TC array');
if (!$this->TCAloaded) {
// Create hash string for storage / retrieval of cached content:
$tempHash = md5('tables.php:'.
filemtime(TYPO3_extTableDef_script ? PATH_typo3conf.TYPO3_extTableDef_script : PATH_t3lib.'stddb/tables.php').
(TYPO3_extTableDef_script?filemtime(PATH_typo3conf.TYPO3_extTableDef_script):'').
($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] ? filemtime(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php') : '')
);
// Try to fetch if:
list($TCA,$this->TCAcachedExtras) = unserialize($this->sys_page->getHash($tempHash, 0));
// If no result, create it:
if (!is_array($TCA)) {
$this->includeTCA(0);
$newTc = Array();
$this->TCAcachedExtras = array(); // Collects other information

foreach($TCA as $key => $val) {
$newTc[$key]['ctrl'] = $val['ctrl'];
$newTc[$key]['feInterface'] = $val['feInterface'];

// Collect information about localization exclusion of fields:
t3lib_div::loadTCA($key);
if (is_array($TCA[$key]['columns'])) {
$this->TCAcachedExtras[$key]['l10n_mode'] = array();
foreach($TCA[$key]['columns'] as $fN => $fV) {
if ($fV['l10n_mode']) {
$this->TCAcachedExtras[$key]['l10n_mode'][$fN] = $fV['l10n_mode'];
}
}
}
}

// Store it in cache:
$TCA = $newTc;
$this->sys_page->storeHash($tempHash, serialize(array($newTc,$this->TCAcachedExtras)), 'SHORT TC');
}
}
$GLOBALS['TT']->pull();
}

/**
* Includes full TCA.
* Normally in the frontend only a part of the global $TCA array is loaded, for instance the "ctrl" part. Thus it doesn't take up too much memory.
* If you need the FULL TCA available for some reason (like plugins using it) you should call this function which will include the FULL TCA.
* Global vars $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS can/will be affected.
* The flag $this->TCAloaded will make sure that such an inclusion happens only once since; If $this->TCAloaded is set, nothing is included.
*
* @param boolean Probably, keep hands of this value. Just don't set it. (This may affect the first-ever time this function is called since if you set it to zero/false any subsequent call will still trigger the inclusion; In other words, this value will be set in $this->TCAloaded after inclusion and therefore if its false, another inclusion will be possible on the next call. See ->getCompressedTCarray())
* @return void
* @see getCompressedTCarray()
*/
function includeTCA($TCAloaded=1) {
global $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS, $TBE_MODULES;
if (!$this->TCAloaded) {
$TCA = Array();
include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
// Extension additions
if ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE']) {
include(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php');
} else {
include(PATH_t3lib.'stddb/load_ext_tables.php');
}
// ext-script
if (TYPO3_extTableDef_script) {
include (PATH_typo3conf.TYPO3_extTableDef_script);
}

$this->TCAloaded = $TCAloaded;
}
}

/**
* Setting the language key that'll be used by the current page.
* In this function it should be checked, 1) that this language exists, 2) that a page_overlay_record exists, .. and if not the default language, 0 (zero), should be set.
*
* @return void
* @access private
*/
function settingLanguage() {

// Get values from TypoScript:
$this->sys_language_uid = $this->sys_language_content = intval($this->config['config']['sys_language_uid']);
list($this->sys_language_mode,$sys_language_content) = t3lib_div::trimExplode(';', $this->config['config']['sys_language_mode']);
$this->sys_language_contentOL = $this->config['config']['sys_language_overlay'];

// If sys_language_uid is set to another language than default:
if ($this->sys_language_uid>0) {
// Request the overlay record for the sys_language_uid:
$olRec = $this->sys_page->getPageOverlay($this->id, $this->sys_language_uid);
if (!count($olRec)) {

// If no OL record exists and a foreign language is asked for...
if ($this->sys_language_uid) {

// If requested translation is not available:
if (t3lib_div::hideIfNotTranslated($this->page['l18n_cfg'])) {
$this->pageNotFoundAndExit('Page is not available in the requested language.');
} else {
switch((string)$this->sys_language_mode) {
case 'strict':
$this->pageNotFoundAndExit('Page is not available in the requested language (strict).');
break;
case 'content_fallback':
$fallBackOrder = t3lib_div::intExplode(',', $sys_language_content);
foreach($fallBackOrder as $orderValue) {
if (!strcmp($orderValue,'0') || count($this->sys_page->getPageOverlay($this->id, $orderValue))) {
$this->sys_language_content = $orderValue; // Setting content uid (but leaving the sys_language_uid)
break;
}
}
break;
case 'ignore':
$this->sys_language_content = $this->sys_language_uid;
break;
default:
// Default is that everything defaults to the default language...
$this->sys_language_uid = $this->sys_language_content = 0;
break;
}
}
}
} else {
// Setting sys_language if an overlay record was found (which it is only if a language is used)
$this->page = $this->sys_page->getPageOverlay($this->page, $this->sys_language_uid);
}
}

// Setting sys_language_uid inside sys-page:
$this->sys_page->sys_language_uid = $this->sys_language_uid;

// If default translation is not available:
if ((!$this->sys_language_uid || !$this->sys_language_content) && $this->page['l18n_cfg']&1) {
$this->pageNotFoundAndExit('Page is not available in default language.');
}

// Updating content of the two rootLines IF the language key is set!
if ($this->sys_language_uid && is_array($this->tmpl->rootLine)) {
reset($this->tmpl->rootLine);
while(list($rLk)=each($this->tmpl->rootLine)) {
$this->tmpl->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->tmpl->rootLine[$rLk]);
}
}
if ($this->sys_language_uid && is_array($this->rootLine)) {
reset($this->rootLine);
while(list($rLk)=each($this->rootLine)) {
$this->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->rootLine[$rLk]);
}
}

// Finding the ISO code:
if (t3lib_extMgm::isLoaded('static_info_tables') && $this->sys_language_content) { // using sys_language_content because the ISO code only (currently) affect content selection from FlexForms - which should follow "sys_language_content"
$sys_language_row = $this->sys_page->getRawRecord('sys_language',$this->sys_language_content,'static_lang_isocode');
if (is_array($sys_language_row) && $sys_language_row['static_lang_isocode']) {
$stLrow = $this->sys_page->getRawRecord('static_languages',$sys_language_row['static_lang_isocode'],'lg_iso_2');
$this->sys_language_isocode = $stLrow['lg_iso_2'];
}
}

// Setting softMergeIfNotBlank:
$table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softMergeIfNotBlank'],1);
foreach($table_fields as $TF) {
list($tN,$fN) = explode(':',$TF);
$this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'mergeIfNotBlank';
}
}

/**
* Setting locale for frontend rendering
*
* @return void
*/
function settingLocale() {

// Setting locale
//here maybe has a bug,if config['config']['locale_all'] is just empty "",function will not work.
//sometimes,we need setlocale(LC_*,'') to set locale use the values of environment variables
//yechunjian,yechunjian@gmail.com
// if ($this->config['config']['locale_all']) {
if (isset($this->config['config']['locale_all'])) {
# Change by Rene Fritz, 22/10 2002
# there's a problem that PHP parses float values in scripts wrong if the locale LC_NUMERIC is set to something with a comma as decimal point
# this does not work in php 4.2.3
#setlocale('LC_ALL',$this->config['config']['locale_all']);
#setlocale('LC_NUMERIC','en_US');

# so we set all except LC_NUMERIC
setlocale(LC_COLLATE,$this->config['config']['locale_all']);
setlocale(LC_CTYPE,$this->config['config']['locale_all']);
setlocale(LC_MONETARY,$this->config['config']['locale_all']);
setlocale(LC_TIME,$this->config['config']['locale_all']);

$this->localeCharset = $this->csConvObj->get_locale_charset($this->config['config']['locale_all']);
}
}

/**
* Checks if any email-submissions or submission via the fe_tce
*
* @return string 'email' if a formmail has been sent, 'fe_tce' if front-end data submission (like forums, guestbooks) is sent. '' if none.
*/
function checkDataSubmission() {
$ret = '';
$formtype_db = isset($_POST['formtype_db']) || isset($_POST['formtype_db_x']);
$formtype_mail = isset($_POST['formtype_mail']) || isset($_POST['formtype_mail_x']);
if ($formtype_db || $formtype_mail) {
$refInfo = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
if (t3lib_div::getIndpEnv('TYPO3_HOST_ONLY')==$refInfo['host'] || $this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
if ($this->locDataCheck($_POST['locationData'])) {
if ($formtype_mail) {
$ret = 'email';
} elseif ($formtype_db && is_array($_POST['data'])) {
$ret = 'fe_tce';
}
$GLOBALS['TT']->setTSlogMessage('"Check Data Submission": Return value: '.$ret,0);
return $ret;
}
} else $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": HTTP_HOST and REFERER HOST did not match when processing submitted formdata!',3);
}

// Hook for processing data submission to extensions:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'])) {
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] as $_classRef) {
$_procObj = &t3lib_div::getUserObj($_classRef);
$_procObj->checkDataSubmission($this);
}
}
return $ret;
}

/**
* Processes submitted user data (obsolete "Frontend TCE")
*
* @return void
* @see tslib_feTCE
* @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=342&cHash=fdf55adb3b
*/
function fe_tce() {
$fe_tce = t3lib_div::makeInstance('tslib_feTCE');
$fe_tce->start(t3lib_div::_POST('data'),$this->config['FEData.']);
$fe_tce->includeScripts();
}

/**
* Checks if a formmail submission can be sent as email
*
* @param string The input from $_POST['locationData']
* @return void
* @access private
* @see checkDataSubmission()
*/
function locDataCheck($locationData) {
$locData = explode(':',$locationData);
if (!$locData[1] || $this->sys_page->checkRecord($locData[1],$locData[2],1)) {
if (count($this->sys_page->getPage($locData[0]))) { // $locData[1] -check means that a record is checked only if the locationData has a value for a record else than the page.
return 1;
} else $GLOBALS['TT']->setTSlogMessage('LocationData Error: The page pointed to by location data ('.$locationData.') was not accessible.',2);
} else $GLOBALS['TT']->setTSlogMessage('LocationData Error: Location data ('.$locationData.') record pointed to was not accessible.',2);
}

/**
* Sends the emails from the formmail content object.
*
* @return void
* @access private
* @see checkDataSubmission()
*/
function sendFormmail() {
$formmail = t3lib_div::makeInstance('t3lib_formmail');

$EMAIL_VARS = t3lib_div::_POST();
$locationData = $EMAIL_VARS['locationData'];
unset($EMAIL_VARS['locationData']);
unset($EMAIL_VARS['formtype_mail'], $EMAIL_VARS['formtype_mail_x'], $EMAIL_VARS['formtype_mail_y']);

$integrityCheck = $this->TYPO3_CONF_VARS['FE']['strictFormmail'];

if(!$this->TYPO3_CONF_VARS['FE']['secureFormmail']) {
// Check recipient field:
$encodedFields = explode(',','recipient,recipient_copy'); // These two fields are the ones which contain recipient addresses that can be misused to send mail from foreign servers.
foreach($encodedFields as $fieldKey) {
if (strlen($EMAIL_VARS[$fieldKey])) {
if ($res = $this->codeString($EMAIL_VARS[$fieldKey], TRUE)) { // Decode...
$EMAIL_VARS[$fieldKey] = $res; // Set value if OK
} elseif ($integrityCheck) { // Otherwise abort:
$GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. Sending formmail aborted due to security reasons!',3);
return false;
} else {
$GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. The security level accepts this, but you should consider a correct coding though!',2);
}
}
}
} else {
$locData = explode(':',$locationData);
$record = $this->sys_page->checkRecord($locData[1],$locData[2],1);
$EMAIL_VARS['recipient'] = $record['subheader'];
$EMAIL_VARS['recipient_copy'] = $this->extractRecipientCopy($record['bodytext']);
}

// Hook for preprocessing of the content for formmails:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'])) {
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'] as $_classRef) {
$_procObj = &t3lib_div::getUserObj($_classRef);
$EMAIL_VARS = $_procObj->sendFormmail_preProcessVariables($EMAIL_VARS,$this);
}
}

$formmail->start($EMAIL_VARS);
$formmail->sendtheMail();
$GLOBALS['TT']->setTSlogMessage('"Formmail" invoked, sending mail to '.$EMAIL_VARS['recipient'],0);
}

/**
* Extracts the value of recipient copy field from a formmail CE bodytext
*
* @param string $bodytext The content of the related bodytext field
* @return string The value of the recipient_copy field, or an empty string
*/
function extractRecipientCopy($bodytext) {
$recipient_copy = '';
$fdef = array();
//|recipient_copy=hidden|karsten@localhost.localdomain
preg_match('/^[\s]*\|[\s]*recipient_copy[\s]*=[\s]*hidden[\s]*\|(.*)$/m', $bodytext, $fdef);
$recipient_copy = (!empty($fdef[1])) ? $fdef[1] : '';
return $recipient_copy;
}

/**
* Sets the jumpurl for page type "External URL"
*
* @return void
*/
function setExternalJumpUrl() {
if ($extUrl = $this->sys_page->getExtURL($this->page, $this->config['config']['disablePageExternalUrl'])) {
$this->jumpurl = $extUrl;
}
}

/**
* Checks the jumpurl referer if required
*
* @return void
*/
function checkJumpUrlReferer() {
if (strcmp($this->jumpurl,'') && !$this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
$referer = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
if (isset($referer['host']) && !($referer['host'] == t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'))) {
unset($this->jumpurl);
}
}
}

/**
* Sends a header 'Location' to jumpurl, if jumpurl is set.
* Will exit if a location header is sent (for instance if JumpUrl was triggered)
*
* @return void
*/
function jumpUrl() {
if ($this->jumpurl) {
if (t3lib_div::_GP('juSecure')) {
$hArr = array(
$this->jumpurl,
t3lib_div::_GP('locationData'),
$this->TYPO3_CONF_VARS['SYS']['encryptionKey']
);
$calcJuHash=t3lib_div::shortMD5(serialize($hArr));
$locationData = t3lib_div::_GP('locationData');
$juHash = t3lib_div::_GP('juHash');
if ($juHash == $calcJuHash) {
if ($this->locDataCheck($locationData)) {
$this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
if (@is_file($this->jumpurl)) {
$mimeType = t3lib_div::_GP('mimeType');
$mimeType = $mimeType ? $mimeType : 'application/octet-stream';
Header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
Header('Content-Type: '.$mimeType);
Header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
readfile($this->jumpurl);
exit;
} else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
} else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
} else die('jumpurl Secure: Calculated juHash, '.$calcJuHash.', did not match the submitted juHash.');
} else {
$TSConf = $this->getPagesTSconfig();
if ($TSConf['TSFE.']['jumpUrl_transferSession']) {
$uParts = parse_url($this->jumpurl);
$params = '&FE_SESSION_KEY='.rawurlencode($this->fe_user->id.'-'.md5($this->fe_user->id.'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']));
$this->jumpurl.=($uParts['query']?'':'?').$params; // Add the session parameter ...
}
Header('Location: '.$this->jumpurl);
exit;
}
}
}

/**
* Sets the URL_ID_TOKEN in the internal var, $this->getMethodUrlIdToken
*
* @return void
* @access private
*/
function setUrlIdToken() {
if ($this->config['config']['ftu']) {
$this->getMethodUrlIdToken = $this->TYPO3_CONF_VARS['FE']['get_url_id_token'];
} else {
$this->getMethodUrlIdToken = '';
}
}
























/********************************************
*
* Page generation; cache handling
*
*******************************************/

/**
* Returns true if the page should be generated
* That is if jumpurl is not set and the cacheContentFlag is not set.
*
* @return boolean
*/
function isGeneratePage() {
return (!$this->cacheContentFlag && !$this->jumpurl);
}

/**
* Temp cache content
* The temporary cache will expire after a few seconds (typ. 30) or will be cleared by the rendered page, which will also clear and rewrite the cache.
*
* @return void
*/
function tempPageCacheContent() {
$this->tempContent = false;

if (!$this->no_cache) {
$seconds = 30;
$title = htmlspecialchars($this->tmpl->printTitle($this->page['title']));
$request_uri = htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI'));

$stdMsg = '
<strong>Page is being generated.</strong><br />
If this message does not disappear within '.$seconds.' seconds, please reload.';

$message = $this->config['config']['message_page_is_being_generated'];
if (strcmp('', $message)) {
$message = $this->csConvObj->utf8_encode($message,$this->renderCharset); // This page is always encoded as UTF-8
$message = str_replace('###TITLE###', $title, $message);
$message = str_replace('###REQUEST_URI###', $request_uri, $message);
} else $message = $stdMsg;

$temp_content = '<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>'.$title.'</title>
<meta http-equiv="refresh" content="10" />
</head>
<body style="background-color:white; font-family:Verdana,Arial,Helvetica,sans-serif; color:#cccccc; text-align:center;">'.
$message.'
</body>
</html>';

// Fix 'nice errors' feature in modern browsers
$padSuffix = '<!--pad-->'; // prevent any trims
$padSize = 768 - strlen($padSuffix) - strlen($temp_content);
if ($padSize > 0) {
$temp_content = str_pad($temp_content, $padSize, "\n") . $padSuffix;
}

if (!$this->headerNoCache() && $cachedRow = $this->getFromCache_queryRow()) {
// We are here because between checking for cached content earlier and now some other HTTP-process managed to store something in cache AND it was not due to a shift-reload by-pass.
// This is either the "Page is being generated" screen or it can be the final result.
// In any case we should not begin another rendering process also, so we silently disable caching and render the page ourselves and thats it.
// Actually $cachedRow contains content that we could show instead of rendering. Maybe we should do that to gain more performance but then we should set all the stuff done in $this->getFromCache()... For now we stick to this...
$this->set_no_cache();
} else {
$this->tempContent = TRUE; // This flag shows that temporary content is put in the cache
$this->setPageCacheContent($temp_content, $this->config, $GLOBALS['EXEC_TIME']+$seconds);
}
}
}

/**
* Set cache content to $this->content
*
* @return void
*/
function realPageCacheContent() {
$cache_timeout = $this->page['cache_timeout'] ? $this->page['cache_timeout'] : ($this->cacheTimeOutDefault ? $this->cacheTimeOutDefault : 60*60*24); // seconds until a cached page is too old
$timeOutTime = $GLOBALS['EXEC_TIME']+$cache_timeout;
if ($this->config['config']['cache_clearAtMidnight']) {
$midnightTime = mktime (0,0,0,date('m',$timeOutTime),date('d',$timeOutTime),date('Y',$timeOutTime));
if ($midnightTime > $GLOBALS['EXEC_TIME']) { // If the midnight time of the expire-day is greater than the current time, we may set the timeOutTime to the new midnighttime.
$timeOutTime = $midnightTime;
}
}
$this->tempContent = false;
$this->setPageCacheContent($this->content, $this->config, $timeOutTime);

// Hook for cache post processing (eg. writing static files!)
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'])) {
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'] as $_classRef) {
$_procObj = &t3lib_div::getUserObj($_classRef);
$_procObj->insertPageIncache($this,$timeOutTime);
}
}
}

/**
* Sets cache content; Inserts the content string into the cache_pages table.
*
* @param string The content to store in the HTML field of the cache table
* @param mixed The additional cache_data array, fx. $this->config
* @param integer Timestamp
* @return void
* @see realPageCacheContent(), tempPageCacheContent()
*/
function setPageCacheContent($content,$data,$tstamp) {
$this->clearPageCacheContent();
$insertFields = array(
'hash' => $this->newHash,
'page_id' => $this->id,
'HTML' => $content,
'temp_content' => $this->tempContent,
'cache_data' => serialize($data),
'expires' => $tstamp,
'tstamp' => $GLOBALS['EXEC_TIME']
);

$this->cacheExpires = $tstamp;

if ($this->page_cache_reg1) {
$insertFields['reg1'] = intval($this->page_cache_reg1);
}
$this->pageCachePostProcess($insertFields,'set');

$GLOBALS['TYPO3_DB']->exec_INSERTquery('cache_pages', $insertFields);
}

/**
* Clears cache content (for $this->newHash)
*
* @return void
*/
function clearPageCacheContent() {
$GLOBALS['TYPO3_DB']->exec_DELETEquery('cache_pages', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->newHash, 'cache_pages'));
}

/**
* Clears cache content for a list of page ids
*
* @param string A list of INTEGER numbers which points to page uids for which to clear entries in the cache_pages table (page content cache)
* @return void
*/
function clearPageCacheContent_pidList($pidList) {
$GLOBALS['TYPO3_DB']->exec_DELETEquery('cache_pages', 'page_id IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($pidList).')');
}

/**
* Post processing page cache rows for both get and set.
*
* @param array Input "cache_pages" row, passed by reference!
* @param string Type of operation, either "get" or "set"
* @return void
*/
function pageCachePostProcess(&$row,$type) {

if ($this->TYPO3_CONF_VARS['FE']['pageCacheToExternalFiles']) {
$cacheFileName = PATH_site.'typo3temp/cache_pages/'.$row['hash']{0}.$row['hash']{1}.'/'.$row['hash'].'.html';
switch((string)$type) {
case 'get':
$row['HTML'] = @is_file($cacheFileName) ? t3lib_div::getUrl($cacheFileName) : '<!-- CACHING ERROR, sorry -->';
break;
case 'set':
t3lib_div::writeFileToTypo3tempDir($cacheFileName,$row['HTML']);
$row['HTML'] = '';
break;
}
}
}

/**
* Sets sys last changed
* Setting the SYS_LASTCHANGED value in the pagerecord: This value will thus be set to the highest tstamp of records rendered on the page. This includes all records with no regard to hidden records, userprotection and so on.
*
* @return void
* @see tslib_cObj::lastChanged()
*/
function setSysLastChanged() {
if ($this->page['SYS_LASTCHANGED'] < intval($this->register['SYS_LASTCHANGED'])) {
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='.intval($this->id), array('SYS_LASTCHANGED' => intval($this->register['SYS_LASTCHANGED'])));
}
}




















/********************************************
*
* Page generation; rendering and inclusion
*
*******************************************/

/**
* Does some processing BEFORE the pagegen script is included.
*
* @return void
*/
function generatePage_preProcessing() {
ksort($this->all);
// Same codeline as in getFromCache(). BUT $this->all has been set in the meantime, so we can't just skip this line and let it be set above! Keep this line!
$this->newHash = $this->getHash();
$this->config['hash_base'] = $this->hash_base; // For cache management informational purposes.

// Here we put some temporary stuff in the cache in order to let the first hit generate the page. The temporary cache will expire after a few seconds (typ. 30) or will be cleared by the rendered page, which will also clear and rewrite the cache.
$this->tempPageCacheContent();

// Setting cache_timeout_default. May be overridden by PHP include scritps.
$this->cacheTimeOutDefault = intval($this->config['config']['cache_period']);

// page is generated
$this->no_cacheBeforePageGen = $this->no_cache;
}

/**
* Determines to include custom or pagegen.php script
* returns script-filename if a TypoScript (config) script is defined and should be include instead of pagegen.php
*
* @return string The relative filepath of "config.pageGenScript" if found and allowed
*/
function generatePage_whichScript() {
if (!$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude'] && $this->config['config']['pageGenScript']) {
return $this->tmpl->getFileName($this->config['config']['pageGenScript']);
}
}

/**
* Does some processing AFTER the pagegen script is included.
* This includes calling tidy (if configured), XHTML cleaning (if configured), caching the page, indexing the page (if configured) and setting sysLastChanged
*
* @return void
*/
function generatePage_postProcessing() {
// This is to ensure, that the page is NOT cached if the no_cache parameter was set before the page was generated. This is a safety precaution, as it could have been unset by some script.
if ($this->no_cacheBeforePageGen) $this->set_no_cache();

// Tidy up the code, if flag...
if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'all') {
$GLOBALS['TT']->push('Tidy, all','');
$this->content = $this->tidyHTML($this->content);
$GLOBALS['TT']->pull();
}

// XHTML-clean the code, if flag set
if ($this->doXHTML_cleaning() == 'all') {
$GLOBALS['TT']->push('XHTML clean, all','');
$XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
$this->content = $XHTML_clean->XHTML_clean($this->content);
$GLOBALS['TT']->pull();
}

// Fix local anchors in links, if flag set
if ($this->doLocalAnchorFix() == 'all') {
$GLOBALS['TT']->push('Local anchor fix, all','');
$this->prefixLocalAnchorsWithScript();
$GLOBALS['TT']->pull();
}

// Hook for post-processing of page content cached/non-cached:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}

// Processing if caching is enabled:
if (!$this->no_cache) {
// Tidy up the code, if flag...
if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'cached') {
$GLOBALS['TT']->push('Tidy, cached','');
$this->content = $this->tidyHTML($this->content);
$GLOBALS['TT']->pull();
}
// XHTML-clean the code, if flag set
if ($this->doXHTML_cleaning() == 'cached') {
$GLOBALS['TT']->push('XHTML clean, cached','');
$XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
$this->content = $XHTML_clean->XHTML_clean($this->content);
$GLOBALS['TT']->pull();
}
// Fix local anchors in links, if flag set
if ($this->doLocalAnchorFix() == 'cached') {
$GLOBALS['TT']->push('Local anchor fix, cached','');
$this->prefixLocalAnchorsWithScript();
$GLOBALS['TT']->pull();
}

// Hook for post-processing of page content before being cached:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

// Convert char-set for output: (should be BEFORE indexing of the content (changed 22/4 2005)), because otherwise indexed search might convert from the wrong charset! One thing is that the charset mentioned in the HTML header would be wrong since the output charset (metaCharset) has not been converted to from renderCharset. And indexed search will internally convert from metaCharset to renderCharset so the content MUST be in metaCharset already!
$this->content = $this->convOutputCharset($this->content,'mainpage');

// Hook for indexing pages
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'])) {
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'] as $_classRef) {
$_procObj = &t3lib_div::getUserObj($_classRef);
$_procObj->hook_indexContent($this);
}
}

// Storing for cache:
if (!$this->no_cache) {
$this->realPageCacheContent();
} elseif ($this->tempContent) { // If there happens to be temporary content in the cache and the cache was not cleared due to new content put in it... ($this->no_cache=0)
$this->clearPageCacheContent();
$this->tempContent = false;
}

// Sets sys-last-change:
$this->setSysLastChanged();
}

/**
* Processes the INTinclude-scripts
*
* @return void
*/
function INTincScript() {
$GLOBALS['TT']->push('Split content');
$INTiS_splitC = explode('<!--INT_SCRIPT.',$this->content); // Splits content with the key.
$this->content='';
$GLOBALS['TT']->setTSlogMessage('Parts: '.count($INTiS_splitC));
$GLOBALS['TT']->pull();

// Deprecated stuff:
$this->additionalHeaderData = is_array($this->config['INTincScript_ext']['additionalHeaderData']) ? $this->config['INTincScript_ext']['additionalHeaderData'] : array();
$this->additionalJavaScript = $this->config['INTincScript_ext']['additionalJavaScript'];
$this->additionalCSS = $this->config['INTincScript_ext']['additionalCSS'];
$this->JSCode = $this->additionalHeaderData['JSCode'];
$this->JSImgCode = $this->additionalHeaderData['JSImgCode'];
$this->divSection='';

$INTiS_config = $GLOBALS['TSFE']->config['INTincScript'];
foreach($INTiS_splitC as $INTiS_c => $INTiS_cPart) {
if (substr($INTiS_cPart,32,3)=='-->') { // If the split had a comment-end after 32 characters it's probably a split-string
$INTiS_key = 'INT_SCRIPT.'.substr($INTiS_cPart,0,32);
$GLOBALS['TT']->push('Include '.$INTiS_config[$INTiS_key]['file'],'');
$incContent='';
if (is_array($INTiS_config[$INTiS_key])) {
$INTiS_cObj = unserialize($INTiS_config[$INTiS_key]['cObj']);
$INTiS_cObj->INT_include=1;
switch($INTiS_config[$INTiS_key]['type']) {
case 'SCRIPT':
$incContent = $INTiS_cObj->PHP_SCRIPT($INTiS_config[$INTiS_key]['conf']);
break;
case 'COA':
$incContent = $INTiS_cObj->COBJ_ARRAY($INTiS_config[$INTiS_key]['conf']);
break;
case 'FUNC':
$incContent = $INTiS_cObj->USER($INTiS_config[$INTiS_key]['conf']);
break;
case 'POSTUSERFUNC':
$incContent = $INTiS_cObj->callUserFunction($INTiS_config[$INTiS_key]['postUserFunc'], $INTiS_config[$INTiS_key]['conf'], $INTiS_config[$INTiS_key]['content']);
break;
}
}
$this->content.= $this->convOutputCharset($incContent,'INC-'.$INTiS_c);
$this->content.= substr($INTiS_cPart,35);
$GLOBALS['TT']->pull($incContent);
} else {
$this->content.= ($INTiS_c?'<!--INT_SCRIPT.':'').$INTiS_cPart;
}
}
$GLOBALS['TT']->push('Substitute header section');
$this->INTincScript_loadJSCode();
$this->content = str_replace('<!--HD_'.$this->config['INTincScript_ext']['divKey'].'-->', $this->convOutputCharset(implode(chr(10),$this->additionalHeaderData),'HD'), $this->content);
$this->content = str_replace('<!--TDS_'.$this->config['INTincScript_ext']['divKey'].'-->', $this->convOutputCharset($this->divSection,'TDS'), $this->content);
$this->setAbsRefPrefix();
$GLOBALS['TT']->pull();
}

/**
* Loads the JavaScript code for INTincScript
*
* @return void
* @access private
*/
function INTincScript_loadJSCode() {
if ($this->JSImgCode) { // If any images added, then add them to the javascript section
$this->additionalHeaderData['JSImgCode']='
<script type="text/javascript">
/*<![CDATA[*/
<!--
if (version == "n3") {
'.trim($this->JSImgCode).'
}
// -->
/*]]>*/
</script>';
}
if ($this->JSCode || count($this->additionalJavaScript)) { // Add javascript
$this->additionalHeaderData['JSCode']='
<script type="text/javascript">
/*<![CDATA[*/
<!--
'.implode(chr(10),$this->additionalJavaScript).'
'.trim($this->JSCode).'
// -->
/*]]>*/
</script>';
}
if (count($this->additionalCSS)) { // Add javascript
$this->additionalHeaderData['_CSS']='
<style type="text/css">
/*<![CDATA[*/
<!--
'.implode(chr(10),$this->additionalCSS).'
// -->
/*]]>*/
</style>';
}
}

/**
* Determines if there are any INTincScripts to include
*
* @return boolean Returns true if scripts are found (and not jumpurl)
*/
function isINTincScript() {
return (is_array($this->config['INTincScript']) && !$this->jumpurl);
}

/**
* Returns the mode of XHTML cleaning
*
* @return string Keyword: "all", "cached" or "output"
*/
function doXHTML_cleaning() {
return $this->config['config']['xhtml_cleaning'];
}

/**
* Returns the mode of Local Anchor prefixing
*
* @return string Keyword: "all", "cached" or "output"
*/
function doLocalAnchorFix() {
return $this->config['config']['prefixLocalAnchors'];
}
















/********************************************
*
* Finished off; outputting, storing session data, statistics...
*
*******************************************/

/**
* Determines if content should be outputted.
* Outputting content is done only if jumpurl is NOT set.
*
* @return boolean Returns true if $this->jumpurl is not set.
*/
function isOutputting() {

// Initialize by status of jumpUrl:
$enableOutput = (!$this->jumpurl);

// Call hook for possible disabling of output:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting'])) {
$_params = array('pObj' => &$this, 'enableOutput' => &$enableOutput);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}

return $enableOutput;
}

/**
* Processes the output before it's actually outputted. Sends headers also.
* This includes substituting the USERNAME comment, getMethodUrlIdToken, sending additional headers (as defined in the TypoScript "config.additionalheaders" object), tidy'ing content, XHTML cleaning content (if configured)
* Works on $this->content
*
* @return void
*/
function processOutput() {

// Set header for charset-encoding unless disabled
if (!$this->config['config']['disableCharsetHeader']) {
$headLine = 'Content-Type:text/html;charset='.trim($this->metaCharset);
header($headLine);
}

// Set cache related headers to client (used to enable proxy / client caching!)
if ($this->config['config']['sendCacheHeaders']) {
$this->sendCacheHeaders();
}

// Set headers, if any
if ($this->config['config']['additionalHeaders']) {
$headerArray = explode('|', $this->config['config']['additionalHeaders']);
while(list(,$headLine)=each($headerArray)) {
$headLine = trim($headLine);
header($headLine);
}
}

// Send appropriate status code in case of temporary content
if ($this->tempContent) {
$this->addTempContentHttpHeaders();
}

// Make substitution of eg. username/uid in content only if cache-headers for client/proxy caching is NOT sent!
if (!$this->isClientCachable) {
$this->contentStrReplace();
}

// Tidy up the code, if flag...
if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'output') {
$GLOBALS['TT']->push('Tidy, output','');
$this->content = $this->tidyHTML($this->content);
$GLOBALS['TT']->pull();
}
// XHTML-clean the code, if flag set
if ($this->doXHTML_cleaning() == 'output') {
$GLOBALS['TT']->push('XHTML clean, output','');
$XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
$this->content = $XHTML_clean->XHTML_clean($this->content);
$GLOBALS['TT']->pull();
}
// Fix local anchors in links, if flag set
if ($this->doLocalAnchorFix() == 'output') {
$GLOBALS['TT']->push('Local anchor fix, output','');
$this->prefixLocalAnchorsWithScript();
$GLOBALS['TT']->pull();
}

// Hook for post-processing of page content before output:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-output'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-output'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}

// Send content-lenght header. Notice that all HTML content outside the length of the content-length header will be cut off! Therefore content of unknown length from included PHP-scripts and if admin users are logged in (admin panel might show...) we disable it!
if ($this->config['config']['enableContentLengthHeader'] && !$this->isEXTincScript() && !$this->beUserLogin && !$this->doWorkspacePreview()) {
header('Content-Length: '.strlen($this->content));
}
}

/**
* Send cache headers good for client/reverse proxy caching
* This function should not be called if the page content is temporary (like for "Page is being generated..." message, but in that case it is ok because the config-variables are not yet available and so will not allow to send cache headers)
*
* @return void
* @co-author Ole Tange, Forbrugernes Hus, Denmark
*/
function sendCacheHeaders() {

// Getting status whether we can send cache control headers for proxy caching:
$doCache = $this->isStaticCacheble();

// This variable will be TRUE unless cache headers are configured to be sent ONLY if a branch does not allow logins and logins turns out to be allowed anyway...
$loginsDeniedCfg = !$this->config['config']['sendCacheHeaders_onlyWhenLoginDeniedInBranch'] || !$this->loginAllowedInBranch;

// Finally, when backend users are logged in, do not send cache headers at all (Admin Panel might be displayed for instance).
if ($doCache
&& !$this->beUserLogin
&& !$this->doWorkspacePreview()
&& $loginsDeniedCfg) {

// Build headers:
$headers = array(
'Last-Modified: '.gmdate('D, d M Y H:i:s T', $this->register['SYS_LASTCHANGED']),
'Expires: '.gmdate('D, d M Y H:i:s T', $this->cacheExpires),
'ETag: '.md5($this->content),
'Cache-Control: max-age='.($this->cacheExpires - $GLOBALS['EXEC_TIME']), // no-cache
'Pragma: public',
);

$this->isClientCachable = TRUE;
} else {
// Build headers:
$headers = array(
#'Last-Modified: '.gmdate('D, d M Y H:i:s T', $this->register['SYS_LASTCHANGED']),
#'ETag: '.md5($this->content),

#'Cache-Control: no-cache',
#'Pragma: no-cache',
'Cache-Control: private', // Changed to this according to Ole Tange, FI.dk
);

$this->isClientCachable = FALSE;

// Now, if a backend user is logged in, tell him in the Admin Panel log what the caching status would have been:
if ($this->beUserLogin) {
if ($doCache) {
$GLOBALS['TT']->setTSlogMessage('Cache-headers with max-age "'.($this->cacheExpires - $GLOBALS['EXEC_TIME']).'" would have been sent');
} else {
$reasonMsg = '';
$reasonMsg.= !$this->no_cache ? '' : 'Caching disabled (no_cache). ';
$reasonMsg.= !$this->isINTincScript() ? '' : '*_INT object(s) on page. ';
$reasonMsg.= !$this->isEXTincScript() ? '' : '*_EXT object(s) on page. ';
$reasonMsg.= !is_array($this->fe_user->user) ? '' : 'Frontend user logged in. ';
$GLOBALS['TT']->setTSlogMessage('Cache-headers would disable proxy caching! Reason(s): "'.$reasonMsg.'"',1);
}
}
}

// Send headers:
foreach($headers as $hL) {
header($hL);
}
}

/**
* Reporting status whether we can send cache control headers for proxy caching or publishing to static files
*
* Rules are:
* no_cache cannot be set: If it is, the page might contain dynamic content and should never be cached.
* There can be no USER_INT objects on the page ("isINTincScript()" / "isEXTincScript()") because they implicitly indicate dynamic content
* There can be no logged in user because user sessions are based on a cookie and thereby does not offer client caching a chance to know if the user is logged in. Actually, there will be a reverse problem here; If a page will somehow change when a user is logged in he may not see it correctly if the non-login version sent a cache-header! So do NOT use cache headers in page sections where user logins change the page content. (unless using such as realurl to apply a prefix in case of login sections)
*
* @return boolean
*/
function isStaticCacheble() {
$doCache = !$this->no_cache
&& !$this->isINTincScript()
&& !$this->isEXTincScript()
&& !$this->isUserOrGroupSet();
return $doCache;
}

/**
* Substitute various tokens in content. This should happen only if the content is not cached by proxies or client browsers.
*
* @return void
*/
function contentStrReplace() {
// Substitutes username mark with the username
if ($this->fe_user->user['uid']) {

// User name:
$token = trim($this->config['config']['USERNAME_substToken']);
$this->content = str_replace($token ? $token : '<!--###USERNAME###-->',$this->fe_user->user['username'],$this->content);

// User uid (if configured):
$token = trim($this->config['config']['USERUID_substToken']);
if ($token) {
$this->content = str_replace($token, $this->fe_user->user['uid'], $this->content);
}
}
// Substitutes get_URL_ID in case of GET-fallback
if ($this->getMethodUrlIdToken) {
$this->content = str_replace($this->getMethodUrlIdToken, $this->fe_user->get_URL_ID, $this->content);
}
}

/**
* Determines if any EXTincScripts should be included
*
* @return boolean True, if external php scripts should be included (set by PHP_SCRIPT_EXT cObjects)
* @see tslib_cObj::PHP_SCRIPT
*/
function isEXTincScript() {
return is_array($this->config['EXTincScript']);
}

/**
* Stores session data for the front end user
*
* @return void
*/
function storeSessionData() {
$this->fe_user->storeSessionData();
}

/**
* Sets the parsetime of the page.
*
* @return void
* @access private
*/
function setParseTime() {
// Compensates for the time consumed with Back end user initialization.
$this->scriptParseTime = $GLOBALS['TT']->convertMicrotime($GLOBALS['TYPO3_MISC']['microtime_end'])
- $GLOBALS['TT']->convertMicrotime($GLOBALS['TYPO3_MISC']['microtime_start'])
- ($GLOBALS['TT']->convertMicrotime($GLOBALS['TYPO3_MISC']['microtime_BE_USER_end'])-$GLOBALS['TT']->convertMicrotime($GLOBALS['TYPO3_MISC']['microtime_BE_USER_start']));
}

/**
* Saves hit statistics
*
* @return void
*/
function statistics() {
if ($this->config['config']['stat'] &&
(!strcmp('',$this->config['config']['stat_typeNumList']) || t3lib_div::inList(str_replace(' ','',$this->config['config']['stat_typeNumList']), $this->type)) &&
(!$this->config['config']['stat_excludeBEuserHits'] || !$this->beUserLogin) &&
(!$this->config['config']['stat_excludeIPList'] || !t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'),str_replace(' ','',$this->config['config']['stat_excludeIPList'])))) {

$GLOBALS['TT']->push('Stat');
if (t3lib_extMgm::isLoaded('sys_stat') && $this->config['config']['stat_mysql']) {

// Jumpurl:
$sword = t3lib_div::_GP('sword');
if ($sword) {
$jumpurl_msg = 'sword:'.$sword;
} elseif ($this->jumpurl) {
$jumpurl_msg = 'jumpurl:'.$this->jumpurl;
} else {
$jumpurl_msg = '';
}

// Flags: bits: 0 = BE_user, 1=Cached page?
$flags=0;
if ($this->beUserLogin) {$flags|=1;}
if ($this->cacheContentFlag) {$flags|=2;}

// Ref url:
$refUrl = t3lib_div::getIndpEnv('HTTP_REFERER');
$thisUrl = t3lib_div::getIndpEnv('TYPO3_REQUEST_DIR');
if (t3lib_div::isFirstPartOfStr($refUrl,$thisUrl)) {
$refUrl='[LOCAL]';
}

$insertFields = array(
'page_id' => intval($this->id), // id
'page_type' => intval($this->type), // type
'jumpurl' => $jumpurl_msg, // jumpurl message
'feuser_id' => $this->fe_user->user['uid'], // fe_user id, integer
'cookie' => $this->fe_user->id, // cookie as set or retrieve. If people has cookies disabled this will vary all the time...
'sureCookie' => hexdec(substr($this->fe_user->cookieId,0,8)), // This is the cookie value IF the cookie WAS actually set. However the first hit where the cookie is set will thus NOT be logged here. So this lets you select for a session of at least two clicks...
'rl0' => $this->config['rootLine'][0]['uid'], // RootLevel 0 uid
'rl1' => $this->config['rootLine'][1]['uid'], // RootLevel 1 uid
'client_browser' => $GLOBALS['CLIENT']['BROWSER'], // Client browser (net, msie, opera)
'client_version' => $GLOBALS['CLIENT']['VERSION'], // Client version (double value)
'client_os' => $GLOBALS['CLIENT']['SYSTEM'], // Client Operating system (win, mac, unix)
'parsetime' => intval($this->scriptParseTime), // Parsetime for the page.
'flags' => $flags, // Flags: Is be user logged in? Is page cached?
'IP' => t3lib_div::getIndpEnv('REMOTE_ADDR'), // Remote IP address
'host' => t3lib_div::getIndpEnv('REMOTE_HOST'), // Remote Host Address
'referer' => $refUrl, // Referer URL
'browser' => t3lib_div::getIndpEnv('HTTP_USER_AGENT'), // User Agent Info.
'tstamp' => $GLOBALS['EXEC_TIME'] // Time stamp
);

// Hook for preprocessing the list of fields to insert into sys_stat:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sys_stat-PreProcClass'])) {
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sys_stat-PreProcClass'] as $_classRef) {
$_procObj = &t3lib_div::getUserObj($_classRef);
$insertFields = $_procObj->sysstat_preProcessFields($insertFields,$this);
}
}


$GLOBALS['TT']->push('Store SQL');
$GLOBALS['TYPO3_DB']->exec_INSERTquery('sys_stat', $insertFields);
$GLOBALS['TT']->pull();
}

// Apache:
if ($this->config['config']['stat_apache'] && $this->config['stat_vars']['pageName']) {
if (@is_file($this->config['stat_vars']['logFile'])) {
$LogLine = ((t3lib_div::getIndpEnv('REMOTE_HOST') && !$this->config['config']['stat_apache_noHost']) ? t3lib_div::getIndpEnv('REMOTE_HOST') : t3lib_div::getIndpEnv('REMOTE_ADDR')).' - - '.Date('[d/M/Y:H:i:s +0000]',$GLOBALS['EXEC_TIME']).' "GET '.$this->config['stat_vars']['pageName'].' HTTP/1.1" 200 '.strlen($this->content);
if (!$this->config['config']['stat_apache_notExtended']) {
$LogLine.= ' "'.t3lib_div::getIndpEnv('HTTP_REFERER').'" "'.t3lib_div::getIndpEnv('HTTP_USER_AGENT').'"';
}

$GLOBALS['TT']->push('Write to log file (fputs)');
$logfilehandle = fopen($this->config['stat_vars']['logFile'], 'a');
fputs($logfilehandle, $LogLine.chr(10));
@fclose($logfilehandle);
$GLOBALS['TT']->pull();

$GLOBALS['TT']->setTSlogMessage('Writing to logfile: OK',0);
} else {
$GLOBALS['TT']->setTSlogMessage('Writing to logfile: Error - logFile did not exist!',3);
}
}
$GLOBALS['TT']->pull();
}
}

/**
* Outputs preview info.
*
* @return void
*/
function previewInfo() {
if ($this->fePreview) {

if ($this->fePreview==2) {
$text = 'Preview of workspace "'.$this->whichWorkspace(TRUE).'" ('.$this->whichWorkspace().')';
} else {
$text = 'PREVIEW!';
}

$stdMsg = '
<br />
<div align="center">
<table border="3" bordercolor="black" cellpadding="2" bgcolor="red">
<tr>
<td>&nbsp;&nbsp;<font face="Verdana" size="1"><b>'.htmlspecialchars($text).'</b></font>&nbsp;&nbsp;</td>
</tr>
</table>
</div>';

if ($this->fePreview==2) {
$temp_content = $this->config['config']['message_preview_workspace'] ?
@sprintf($this->config['config']['message_preview_workspace'], $this->whichWorkspace(TRUE),$this->whichWorkspace()) :
$stdMsg;
} else {
$temp_content = $this->config['config']['message_preview'] ? $this->config['config']['message_preview'] : $stdMsg;
}
echo $temp_content;
}
}

/**
* End-Of-Frontend hook
*
* @return void
*/
function hook_eofe() {

// Call hook for end-of-frontend processing:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['hook_eofe'])) {
$_params = array('pObj' => &$this);
foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['hook_eofe'] as $_funcRef) {
t3lib_div::callUserFunction($_funcRef,$_params,$this);
}
}
}

/**
* Returns a link to the login screen with redirect to the front-end
*
* @return string HTML, a tag for a link to the backend.
*/
function beLoginLinkIPList() {
if ($this->config['config']['beLoginLinkIPList']) {
if (t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $this->config['config']['beLoginLinkIPList'])) {
$label = !$this->beUserLogin ? $this->config['config']['beLoginLinkIPList_login'] : $this->config['config']['beLoginLinkIPList_logout'];
if ($label) {
if (!$this->beUserLogin) {
$link = '<a href="'.htmlspecialchars(TYPO3_mainDir.'index.php?redirect_url='.rawurlencode(t3lib_div::getIndpEnv("REQUEST_URI"))).'">'.$label.'</a>';
} else {
$link = '<a href="'.htmlspecialchars(TYPO3_mainDir.'index.php?L=OUT&redirect_url='.rawurlencode(t3lib_div::getIndpEnv("REQUEST_URI"))).'">'.$label.'</a>';
}
return $link;
}
}
}
}

/**
* Sends HTTP headers for temporary content. These headers prevent search engines from caching temporary content and asks them to revisit this page again.
*
* @return void
*/
function addTempContentHttpHeaders() {
header('HTTP/1.0 503 Service unavailable');
header('Retry-after: 3600');
header('Pragma: no-cache');
header('Cache-control: no-cache');
header('Expire: 0');
}





















/********************************************
*
* Various internal API functions
*
*******************************************/


/**
* Make simulation filename (without the ".html" ending, only body of filename)
*
* @param string The page title to use
* @param mixed The page id (integer) or alias (string)
* @param integer The type number
* @param string Query-parameters to encode (will be done only if caching is enabled and TypoScript configured for it. I don't know it this makes much sense in fact...)
* @param boolean The "no_cache" status of the link.
* @return string The body of the filename.
* @see getSimulFileName(), t3lib_tstemplate::linkData(), tslib_frameset::frameParams()
*/
function makeSimulFileName($inTitle,$page,$type,$addParams='',$no_cache='') {
$titleChars = intval($this->config['config']['simulateStaticDocuments_addTitle']);
// Default value is 30 but values > 1 will be override this
if($titleChars==1) { $titleChars = 30; }

$out = '';
if ($titleChars) {
$out = $this->fileNameASCIIPrefix($inTitle, $titleChars);
}
$enc = '';

if (strcmp($addParams,'') && !$no_cache) {
switch ((string)$this->config['config']['simulateStaticDocuments_pEnc']) {
case 'md5':
$md5 = substr(md5($addParams),0,10);
$enc = '+M5'.$md5;

$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('md5hash', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($md5, 'cache_md5params'));
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
$insertFields = array(
'md5hash' => $md5,
'tstamp' => time(),
'type' => 1,
'params' => $addParams
);

$GLOBALS['TYPO3_DB']->exec_INSERTquery('cache_md5params', $insertFields);
}
break;
case 'base64':
$enc = '+B6'.str_replace('=','_',str_replace('/','-',base64_encode($addParams)));
break;
}
}
// Setting page and type number:
$url = $out.$page.$enc;
$url.= ($type || $out || !$this->config['config']['simulateStaticDocuments_noTypeIfNoTitle']) ? '.'.$type : '';
return $url;
}

/**
* Processes a query-string with GET-parameters and returns two strings, one with the parameters that CAN be encoded and one array with those which can't be encoded (encoded by the M5 or B6 methods)
*
* @param string Query string to analyse
* @return array Two num keys returned, first is the parameters that MAY be encoded, second is the non-encodable parameters.
* @see makeSimulFileName(), t3lib_tstemplate::linkData()
*/
function simulateStaticDocuments_pEnc_onlyP_proc($linkVars) {
$remainLinkVars = '';
if (strcmp($linkVars,'')) {
$p = explode('&',$linkVars);
sort($p); // This sorts the parameters - and may not be needed and further it will generate new MD5 hashes in many cases. Maybe not so smart. Hmm?
$rem = array();
foreach($p as $k => $v) {
if (strlen($v)) {
list($pName) = explode('=',$v,2);
$pName = rawurldecode($pName);
if (!$this->pEncAllowedParamNames[$pName]) {
unset($p[$k]);
$rem[] = $v;
}
} else unset($p[$k]);
}

$linkVars = count($p) ? '&'.implode('&',$p) : '';
$remainLinkVars = count($rem) ? '&'.implode('&',$rem) : '';
}
return array($linkVars, $remainLinkVars);
}

/**
* Returns the simulated static file name (*.html) for the current page (using the page record in $this->page)
*
* @return string The filename (without path)
* @see makeSimulFileName(), publish.php
*/
function getSimulFileName() {
$url='';
$url.=$this->makeSimulFileName($this->page['title'], $this->page['alias']?$this->page['alias']:$this->id, $this->type).'.html';
return $url;
}

/**
* Checks and sets replacement character for simulateStaticDocuments. Default is underscore.
*
* @return void
*/
function setSimulReplacementChar() {
$replacement = $defChar = t3lib_div::compat_version('4.0') ? '-' : '_';
if (isset($this->config['config']['simulateStaticDocuments_replacementChar'])) {
$replacement = trim($this->config['config']['simulateStaticDocuments_replacementChar']);
if (urlencode($replacement) != $replacement) {
// Invalid character
$replacement = $defChar;
}
}
$this->config['config']['simulateStaticDocuments_replacementChar'] = $replacement;
}

/**
* Converts input string to an ASCII based file name prefix
*
* @param string String to base output on
* @param integer Number of characters in the string
* @param string Character to put in the end of string to merge it with the next value.
* @return string String
*/
function fileNameASCIIPrefix($inTitle,$titleChars,$mergeChar='.') {
$out = $this->csConvObj->specCharsToASCII($this->renderCharset, $inTitle);
// Get replacement character
$replacementChar = &$this->config['config']['simulateStaticDocuments_replacementChar'];
$replacementChars = '_\-' . ($replacementChar != '_' && $replacementChar != '-' ? $replacementChar : '');
$out = preg_replace('/[^A-Za-z0-9_-]/', $replacementChar, trim(substr($out, 0, $titleChars)));
$out = preg_replace('/([' . $replacementChars . ']){2,}/', '\1', $out);
$out = preg_replace('/[' . $replacementChars . ']?$/', '', $out);
$out = preg_replace('/^[' . $replacementChars . ']?/', '', $out);
if (strlen($out)) {
$out .= $mergeChar;
}

return $out;
}

/**
* Encryption (or decryption) of a single character.
* Within the given range the character is shifted with the supplied offset.
*
* @param int Ordinal of input character
* @param int Start of range
* @param int End of range
* @param int Offset
* @return string encoded/decoded version of character
*/
function encryptCharcode($n,$start,$end,$offset) {
$n = $n + $offset;
if ($offset > 0 && $n > $end) {
$n = $start + ($n - $end - 1);
} else if ($offset < 0 && $n < $start) {
$n = $end - ($start - $n - 1);
}
return chr($n);
}

/**
* Encryption of email addresses for <A>-tags See the spam protection setup in TS 'config.'
*
* @param string Input string to en/decode: "mailto:blabla@bla.com"
* @param boolean If set, the process is reversed, effectively decoding, not encoding.
* @return string encoded/decoded version of $string
*/
function encryptEmail($string,$back=0) {
$out = '';

if ($this->spamProtectEmailAddresses === 'ascii') {
for ($a=0; $a<strlen($string); $a++) {
$out .= '&#'.ord(substr($string, $a, 1)).';';
}
} else {
// like str_rot13() but with a variable offset and a wider character range
$len = strlen($string);
$offset = intval($this->spamProtectEmailAddresses)*($back?-1:1);
for ($i=0; $i<$len; $i++) {
$charValue = ord($string{$i});
if ($charValue >= 0x2B && $charValue <= 0x3A) { // 0-9 . , - + / :
$out .= $this->encryptCharcode($charValue,0x2B,0x3A,$offset);
} elseif ($charValue >= 0x40 && $charValue <= 0x5A) { // A-Z @
$out .= $this->encryptCharcode($charValue,0x40,0x5A,$offset);
} else if ($charValue >= 0x61 && $charValue <= 0x7A) { // a-z
$out .= $this->encryptCharcode($charValue,0x61,0x7A,$offset);
} else {
$out .= $string{$i};
}
}
}
return $out;
}

/**
* En/decodes strings with lightweight encryption and a hash containing the server encryptionKey (salt)
* Can be used for authentication of information sent from server generated pages back to the server to establish that the server generated the page. (Like hidden fields with recipient mail addresses)
* Encryption is mainly to avoid spam-bots to pick up information.
*
* @param string Input string to en/decode
* @param boolean If set, string is decoded, not encoded.
* @return string encoded/decoded version of $string
*/
function codeString($string, $decode=FALSE) {

if ($decode) {
list($md5Hash, $str) = explode(':',$string,2);
$newHash = substr(md5($this->TYPO3_CONF_VARS['SYS']['encryptionKey'].':'.$str),0,10);
if (!strcmp($md5Hash, $newHash)) {
$str = base64_decode($str);
$str = $this->roundTripCryptString($str);
return $str;
} else return FALSE; // Decoding check failed! Original string not produced by this server!
} else {
$str = $string;
$str = $this->roundTripCryptString($str);
$str = base64_encode($str);
$newHash = substr(md5($this->TYPO3_CONF_VARS['SYS']['encryptionKey'].':'.$str),0,10);
return $newHash.':'.$str;
}
}

/**
* Encrypts a strings by XOR'ing all characters with the ASCII value of a character in $this->TYPO3_CONF_VARS['SYS']['encryptionKey']
* If $this->TYPO3_CONF_VARS['SYS']['encryptionKey'] is empty, 255 is used for XOR'ing. Using XOR means that the string can be decrypted by simply calling the function again - just like rot-13 works (but in this case for ANY byte value).
*
* @param string Input string
* @return string Output string
*/
function roundTripCryptString($string) {
$out = '';
$strLen = strlen($string);
$cryptLen = strlen($this->TYPO3_CONF_VARS['SYS']['encryptionKey']);

for ($a=0; $a < $strLen; $a++) {
$xorVal = $cryptLen>0 ? ord($this->TYPO3_CONF_VARS['SYS']['encryptionKey']{($a%$cryptLen)}) : 255;
$out.= chr(ord($string{$a}) ^ $xorVal);
}

return $out;
}

/**
* Checks if a PHPfile may be included.
*
* @param string Relative path to php file
* @return boolean Returns true if $GLOBALS['TYPO3_CONF_VARS']['FE']['noPHPscriptInclude'] is not set OR if the file requested for inclusion is found in one of the allowed paths.
* @see tslib_cObj::PHP_SCRIPT(), tslib_feTCE::includeScripts(), tslib_menu::includeMakeMenu()
*/
function checkFileInclude($incFile) {
return !$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude']
|| substr($incFile,0,14)=='media/scripts/'
|| substr($incFile,0,4+strlen(TYPO3_mainDir))==TYPO3_mainDir.'ext/'
|| substr($incFile,0,7+strlen(TYPO3_mainDir))==TYPO3_mainDir.'sysext/'
|| substr($incFile,0,14)=='typo3conf/ext/';
}

/**
* Creates an instance of tslib_cObj in $this->cObj
* This instance is used to start the rendering of the TypoScript template structure
*
* @return void
* @see pagegen.php
*/
function newCObj() {
$this->cObj =t3lib_div::makeInstance('tslib_cObj');
$this->cObj->start($this->page,'pages');
}

/**
* Substitute the path's to files in the fileadmin/ and media/ folder like icons used in static_template of TypoScript
* Works on $this->content
*
* @return void
* @access private
* @see pagegen.php, INTincScript()
*/
function setAbsRefPrefix() {
if ($this->absRefPrefix) {
$this->content = str_replace('"media/', '"'.t3lib_extMgm::siteRelPath('cms').'tslib/media/', $this->content);
$this->content = str_replace('"fileadmin/', '"'.$this->absRefPrefix.'fileadmin/', $this->content);
}
}

/**
* Prefixing the input URL with ->baseUrl If ->baseUrl is set and the input url is not absolute in some way.
* Designed as a wrapper functions for use with all frontend links that are processed by JavaScript (for "realurl" compatibility!). So each time a URL goes into window.open, window.location.href or otherwise, wrap it with this function!
*
* @param string Input URL, relative or absolute
* @return string Processed input value.
*/
function baseUrlWrap($url) {
if ($this->baseUrl) {
$urlParts = parse_url($url);
if (!strlen($urlParts['scheme']) && $url{0}!=='/') {
$url = $this->baseUrl.$url;
}
}
return $url;
}

/**
* Prints error msg/header.
* Echoes out the HTML content
*
* @param string Message string
* @param string Header string
* @return void
* @see t3lib_timeTrack::debug_typo3PrintError()
*/
function printError($label,$header='Error!') {
t3lib_timeTrack::debug_typo3PrintError($header,$label,0,t3lib_div::getIndpEnv('TYPO3_SITE_URL'));
}

/**
* Updates the tstamp field of a cache_md5params record to the current time.
*
* @param string The hash string identifying the cache_md5params record for which to update the "tstamp" field to the current time.
* @return void
* @access private
*/
function updateMD5paramsRecord($hash) {
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($hash, 'cache_md5params'), array('tstamp' => time()));
}

/**
* Pass the content through tidy - a little program that cleans up HTML-code
* Requires $this->TYPO3_CONF_VARS['FE']['tidy'] to be true and $this->TYPO3_CONF_VARS['FE']['tidy_path'] to contain the filename/path of tidy including clean-up arguments for tidy. See default value in TYPO3_CONF_VARS in t3lib/config_default.php
*
* @param string The page content to clean up. Will be written to a temporary file which "tidy" is then asked to clean up. File content is read back and returned.
* @return string Returns the
*/
function tidyHTML($content) {
if ($this->TYPO3_CONF_VARS['FE']['tidy'] && $this->TYPO3_CONF_VARS['FE']['tidy_path']) {
$oldContent = $content;
$fname = t3lib_div::tempnam('typo3_tidydoc_'); // Create temporary name
@unlink ($fname); // Delete if exists, just to be safe.
$fp = fopen ($fname,'wb'); // Open for writing
fputs ($fp, $content); // Put $content
@fclose ($fp); // Close

exec ($this->TYPO3_CONF_VARS['FE']['tidy_path'].' '.$fname, $output); // run the $content through 'tidy', which formats the HTML to nice code.
@unlink ($fname); // Delete the tempfile again
$content = implode(chr(10),$output);
if (!trim($content)) {
$content = $oldContent; // Restore old content due empty return value.
$GLOBALS['TT']->setTSlogMessage('"tidy" returned an empty value!',2);
}
$GLOBALS['TT']->setTSlogMessage('"tidy" content lenght: '.strlen($content),0);
}
return $content;
}

/**
* Substitutes all occurencies of <a href="#"... in $this->content with <a href="[path-to-url]#"...
*
* @return void Works directly on $this->content
*/
function prefixLocalAnchorsWithScript() {
$scriptPath = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_URL'),strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL')));
$this->content = preg_replace('/(<(a|area).*?href=")(#[^"]*")/i','$1' . htmlspecialchars($scriptPath) . '$3',$this->content);
}

/**
* Initialize workspace preview
*
* @return void
*/
function workspacePreviewInit() {
$previewWS = t3lib_div::_GP('ADMCMD_previewWS');
if ($this->beUserLogin && is_object($GLOBALS['BE_USER']) && t3lib_div::testInt($previewWS)) {
if ($previewWS>=-1 && ($previewWS==0 || $GLOBALS['BE_USER']->checkWorkspace($previewWS))) { // Check Access to workspace. Live (0) is OK to preview for all.
$this->workspacePreview = intval($previewWS);
} else {
$this->workspacePreview = -99; // No preview, will default to "Live" at the moment
}
}
}

/**
* Returns true if workspace preview is enabled
*
* @return boolean Returns true if workspace preview is enabled
*/
function doWorkspacePreview() {
return (string)$this->workspacePreview!=='';
}

/**
* Returns the name of the workspace
*
* @param boolean If set, returns title of current workspace being previewed
* @return mixed If $returnTitle is set, returns string (title), otherwise workspace integer for which workspace is being preview. False if none.
*/
function whichWorkspace($returnTitle = FALSE) {
if ($this->doWorkspacePreview()) {
$ws = intval($this->workspacePreview);
} elseif ($this->beUserLogin) {
$ws = $GLOBALS['BE_USER']->workspace;
} else return FALSE;

if ($returnTitle) {
if ($ws===-1) {
return 'Default Draft Workspace';
} else {
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('title', 'sys_workspace', 'uid='.intval($ws));
if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
return $row['title'];
}
}
} else {
return $ws;
}
}


























/********************************************
*
* Various external API functions - for use in plugins etc.
*
*******************************************/


/**
* Traverses the ->rootLine and returns an array with the first occurrance of storage pid and siteroot pid
*
* @return array Array with keys '_STORAGE_PID' and '_SITEROOT' set to the first occurances found.
*/
function getStorageSiterootPids() {
$res=array();
reset($this->rootLine);
while(list(,$rC)=each($this->rootLine)) {
if (!$res['_STORAGE_PID']) $res['_STORAGE_PID']=intval($rC['storage_pid']);
if (!$res['_SITEROOT']) $res['_SITEROOT']=$rC['is_siteroot']?intval($rC['uid']):0;
}
return $res;
}

/**
* Returns the pages TSconfig array based on the currect ->rootLine
*
* @return array
*/
function getPagesTSconfig() {
if (!is_array($this->pagesTSconfig)) {
reset($this->rootLine);
$TSdataArray = array();
$TSdataArray[] = $this->TYPO3_CONF_VARS['BE']['defaultPageTSconfig']; // Setting default configuration:
while(list($k,$v)=each($this->rootLine)) {
$TSdataArray[]=$v['TSconfig'];
}
// Parsing the user TS (or getting from cache)
$TSdataArray = t3lib_TSparser::checkIncludeLines_array($TSdataArray);
$userTS = implode(chr(10).'[GLOBAL]'.chr(10),$TSdataArray);
$hash = md5('pageTS:'.$userTS);
$cachedContent = $this->sys_page->getHash($hash,0);
if (isset($cachedContent)) {
$this->pagesTSconfig = unserialize($cachedContent);
} else {
$parseObj = t3lib_div::makeInstance('t3lib_TSparser');
$parseObj->parse($userTS);
$this->pagesTSconfig = $parseObj->setup;
$this->sys_page->storeHash($hash,serialize($this->pagesTSconfig),'PAGES_TSconfig');
}
}
return $this->pagesTSconfig;
}

/**
* Sets JavaScript code in the additionalJavaScript array
*
* @param string $key is the key in the array, for num-key let the value be empty. Note reserved keys 'openPic' and 'mouseOver'
* @param string $content is the content if you want any
* @return void
* @see tslib_gmenu::writeMenu(), tslib_cObj::imageLinkWrap()
*/
function setJS($key,$content='') {
if ($key) {
switch($key) {
case 'mouseOver':
$this->additionalJavaScript[$key]=
' // JS function for mouse-over
function over(name,imgObj) { //
if (version == "n3" && document[name]) {document[name].src = eval(name+"_h.src");}
else if (typeof(document.getElementById)=="function" && document.getElementById(name)) {document.getElementById(name).src = eval(name+"_h.src");}
else if (imgObj) {imgObj.src = eval(name+"_h.src");}
}
// JS function for mouse-out
function out(name,imgObj) { //
if (version == "n3" && document[name]) {document[name].src = eval(name+"_n.src");}
else if (typeof(document.getElementById)=="function" && document.getElementById(name)) {document.getElementById(name).src = eval(name+"_n.src");}
else if (imgObj) {imgObj.src = eval(name+"_n.src");}
}';
break;
case 'openPic':
$this->additionalJavaScript[$key]=
' function openPic(url,winName,winParams) { //
var theWindow = window.open(url,winName,winParams);
if (theWindow) {theWindow.focus();}
}';
break;
default:
$this->additionalJavaScript[$key]=$content;
break;
}
}
}

/**
* Sets CSS data in the additionalCSS array
*
* @param string $key is the key in the array, for num-key let the value be empty
* @param string $content is the content if you want any
* @return void
* @see setJS(), tslib_pibase::pi_setClassStyle()
*/
function setCSS($key,$content) {
if ($key) {
switch($key) {
default:
$this->additionalCSS[$key]=$content;
break;
}
}
}

/**
* Seeds the random number engine.
*
* @return void
*/
function make_seed() {
list($usec, $sec) = explode(' ', microtime());
$seedV = (float)$sec + ((float)$usec * 100000);
srand($seedV);
}

/**
* Returns a unique md5 hash.
* There is no special magic in this, the only point is that you don't have to call md5(uniqid()) which is slow and by this you are sure to get a unique string each time in a little faster way.
*
* @param string Some string to include in what is hashed. Not significant at all.
* @return string MD5 hash of ->uniqueString, input string and uniqueCounter
*/
function uniqueHash($str='') {
return md5($this->uniqueString.'_'.$str.$this->uniqueCounter++);
}

/**
* Sets the cache-flag to 1. Could be called from user-included php-files in order to ensure that a page is not cached.
*
* @return void
*/
function set_no_cache() {
$this->no_cache = 1;
}

/**
* Sets the cache-timeout in seconds
*
* @param integer cache-timeout in seconds
* @return void
*/
function set_cache_timeout_default($seconds) {
$this->cacheTimeOutDefault = intval($seconds);
}

/**
* Substitute function for the PHP mail() function.
* It will encode the email with the setting of TS 'config.notification_email_encoding' (base64 or none)
* It will also find all links to http:// in the text and substitute with a shorter link using the redirect feature which stores the long link in the database. Depends on configuration in TS 'config.notification_email_urlmode'
*
* @param string recipient email address (or list of)
* @param string The subject
* @param string The message
* @param string The headers (string with lines)
* @return void
* @see t3lib_div::plainMailEncoded()
*/
function plainMailEncoded($email,$subject,$message,$headers='') {
$urlmode=$this->config['config']['notification_email_urlmode']; // '76', 'all', ''

if ($urlmode) {
$message=t3lib_div::substUrlsInPlainText($message,$urlmode);
}

$encoding = $this->config['config']['notification_email_encoding'] ? $this->config['config']['notification_email_encoding'] : 'quoted-printable';
$charset = $this->config['config']['notification_email_charset'] ? $this->config['config']['notification_email_charset'] : ($GLOBALS['TYPO3_CONF_VARS']['BE']['forceCharset'] ? $GLOBALS['TYPO3_CONF_VARS']['BE']['forceCharset'] : 'ISO-8859-1');

t3lib_div::plainMailEncoded(
$email,
$subject,
$message,
$headers,
$encoding,
$charset
);
}













/*********************************************
*
* Localization and character set conversion
*
*********************************************/

/**
* Split Label function for front-end applications.
*
* @param string Key string. Accepts the "LLL:" prefix.
* @return string Label value, if any.
*/
function sL($input) {
if (strcmp(substr($input,0,4),'LLL:')) {
$t = explode('|',$input);
return $t[$this->langSplitIndex] ? $t[$this->langSplitIndex] : $t[0];
} else {
if (!isset($this->LL_labels_cache[$this->lang][$input])) { // If cached label
$restStr = trim(substr($input,4));
$extPrfx='';
if (!strcmp(substr($restStr,0,4),'EXT:')) {
$restStr = trim(substr($restStr,4));
$extPrfx='EXT:';
}
$parts = explode(':',$restStr);
$parts[0]=$extPrfx.$parts[0];
if (!isset($this->LL_files_cache[$parts[0]])) { // Getting data if not cached
$this->LL_files_cache[$parts[0]] = $this->readLLfile($parts[0]);
}
$this->LL_labels_cache[$this->lang][$input] = $this->csConv($this->getLLL($parts[1],$this->LL_files_cache[$parts[0]]));
}
return $this->LL_labels_cache[$this->lang][$input];
}
}

/**
* Read locallang files - for frontend applications
*
* @param string Reference to a relative filename to include.
* @return array Returns the $LOCAL_LANG array found in the file. If no array found, returns empty array.
*/
function readLLfile($fileRef) {
return t3lib_div::readLLfile($fileRef,$this->lang);
}

/**
* Returns 'locallang' label - may need initializing by initLLvars
*
* @param string Local_lang key for which to return label (language is determined by $this->lang)
* @param array The locallang array in which to search
* @return string Label value of $index key.
*/
function getLLL($index,$LOCAL_LANG) {
if (strcmp($LOCAL_LANG[$this->lang][$index],'')) {
return $LOCAL_LANG[$this->lang][$index];
} else {
return $LOCAL_LANG['default'][$index];
}
}

/**
* Initializing the getLL variables needed.
* Sets $this->langSplitIndex based on $this->config['config']['language']
*
* @return void
*/
function initLLvars() {

// Setting language key and split index:
$this->lang = $this->config['config']['language'] ? $this->config['config']['language'] : 'default';

$ls = explode('|',TYPO3_languages);
while(list($i,$v)=each($ls)) {
if ($v==$this->lang) {$this->langSplitIndex=$i; break;}
}

// Setting charsets:
$this->renderCharset = $this->csConvObj->parse_charset($this->config['config']['renderCharset'] ? $this->config['config']['renderCharset'] : ($this->TYPO3_CONF_VARS['BE']['forceCharset'] ? $this->TYPO3_CONF_VARS['BE']['forceCharset'] : $this->defaultCharSet)); // Rendering charset of HTML page.
$this->metaCharset = $this->csConvObj->parse_charset($this->config['config']['metaCharset'] ? $this->config['config']['metaCharset'] : $this->renderCharset); // Output charset of HTML page.
$this->labelsCharset = $this->csConvObj->parse_charset($this->csConvObj->charSetArray[$this->lang] ? $this->csConvObj->charSetArray[$this->lang] : 'iso-8859-1');
if ($this->renderCharset != $this->labelsCharset) {
$this->convCharsetToFrom = array(
'from' => $this->labelsCharset,
'to' => $this->renderCharset
);
}
}

/**
* Converts the charset of the input string if applicable.
* The "from" charset is determined by the TYPO3 system charset for the current language key ($this->lang)
* The "to" charset is determined by the currently used charset for the page which is "iso-8859-1" by default or set by $GLOBALS['TSFE']->config['config']['metaCharset']
* Only if there is a difference between the two charsets will a conversion be made
* The conversion is done real-time - no caching for performance at this point!
*
* @param string String to convert charset for
* @param string Optional "from" charset.
* @return string Output string, converted if needed.
* @see t3lib_cs
*/
function csConv($str,$from='') {
if ($from) {
$output = $this->csConvObj->conv($str,$this->csConvObj->parse_charset($from),$this->renderCharset,1);
return $output ? $output : $str;
} elseif (is_array($this->convCharsetToFrom)) {
return $this->csConvObj->conv($str,$this->convCharsetToFrom['from'],$this->convCharsetToFrom['to'],1);
} else {
return $str;
}
}

/**
* Converts input string from renderCharset to metaCharset IF the two charsets are different.
*
* @param string Content to be converted.
* @param string Label (just for fun, no function)
* @return string Converted content string.
*/
function convOutputCharset($content,$label='') {
if ($this->renderCharset != $this->metaCharset) {
$content = $this->csConvObj->conv($content,$this->renderCharset,$this->metaCharset,TRUE);
}

return $content;
}

/**
* Converts the $_POST array from metaCharset (page HTML charset from input form) to renderCharset (internal processing) IF the two charsets are different.
*
* @return void
*/
function convPOSTCharset() {
if ($this->renderCharset != $this->metaCharset && is_array($_POST) && count($_POST)) {
$this->csConvObj->convArray($_POST,$this->metaCharset,$this->renderCharset);
$GLOBALS['HTTP_POST_VARS'] = $_POST;
}
}
}


if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_fe.php']) {
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_fe.php']);
}
?>
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