Added feature 9505: Make the caches in TYPO3 use the new caching framework
[Packages/TYPO3.CMS.git] / typo3 / sysext / cms / tslib / class.tslib_fe.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2008 Kasper Skaarhoj (kasperYYYY@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27
28 /**
29 * Class for the built TypoScript based Front End
30 *
31 * This class has a lot of functions and internal variable which are use from index_ts.php.
32 * The class is instantiated as $GLOBALS['TSFE'] in index_ts.php.
33 * The use of this class should be inspired by the order of function calls as found in index_ts.php.
34 *
35 * $Id$
36 * Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
37 * XHTML compliant
38 *
39 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
40 */
41
42 /**
43 * [CLASS/FUNCTION INDEX of SCRIPT]
44 *
45 *
46 *
47 * 213: class tslib_fe
48 * 382: function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='')
49 * 415: function connectToMySQL()
50 * 425: function connectToDB()
51 * 470: function sendRedirect()
52 *
53 * SECTION: Initializing, resolving page id
54 * 508: function initFEuser()
55 * 558: function initUserGroups()
56 * 593: function isUserOrGroupSet()
57 * 618: function checkAlternativeIdMethods()
58 * 670: function clear_preview()
59 * 683: function determineId()
60 * 817: function fetch_the_id()
61 * 911: function getPageAndRootline()
62 * 994: function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array())
63 * 1044: function checkRootlineForIncludeSection()
64 * 1081: function checkEnableFields($row,$bypassGroupCheck=FALSE)
65 * 1097: function checkPageGroupAccess($row, $groupList=NULL)
66 * 1116: function checkPagerecordForIncludeSection($row)
67 * 1125: function checkIfLoginAllowedInBranch()
68 * 1150: function getPageAccessFailureReasons()
69 * 1182: function setIDfromArgV()
70 * 1198: function getPageAndRootlineWithDomain($domainStartPage)
71 * 1225: function setSysPageWhereClause()
72 * 1237: function findDomainRecord($recursive=0)
73 * 1257: function pageNotFoundAndExit($reason='', $header='')
74 * 1272: function pageNotFoundHandler($code, $header='', $reason='')
75 * 1316: function checkAndSetAlias()
76 * 1335: function idPartsAnalyze($str)
77 * 1360: function mergingWithGetVars($GET_VARS)
78 * 1390: function ADMCMD_preview()
79 * 1433: function ADMCMD_preview_postInit($previewConfig)
80 *
81 * SECTION: Template and caching related functions.
82 * 1465: function makeCacheHash()
83 * 1489: function reqCHash()
84 * 1511: function cHashParams($addQueryParams)
85 * 1520: function initTemplate()
86 * 1532: function getFromCache()
87 * 1578: function getFromCache_queryRow()
88 * 1608: function headerNoCache()
89 * 1637: function getHash()
90 * 1657: function getConfigArray()
91 *
92 * SECTION: Further initialization and data processing
93 * 1818: function getCompressedTCarray()
94 * 1872: function includeTCA($TCAloaded=1)
95 * 1899: function settingLanguage()
96 * 1992: function settingLocale()
97 * 2017: function checkDataSubmission()
98 * 2050: function fe_tce()
99 * 2064: function locDataCheck($locationData)
100 * 2080: function sendFormmail()
101 * 2131: function extractRecipientCopy($bodytext)
102 * 2145: function setExternalJumpUrl()
103 * 2156: function checkJumpUrlReferer()
104 * 2171: function jumpUrl()
105 * 2215: function setUrlIdToken()
106 *
107 * SECTION: Page generation; cache handling
108 * 2258: function isGeneratePage()
109 * 2268: function tempPageCacheContent()
110 * 2325: function realPageCacheContent()
111 * 2355: function setPageCacheContent($content,$data,$tstamp)
112 * 2382: function clearPageCacheContent()
113 * 2392: function clearPageCacheContent_pidList($pidList)
114 * 2426: function setSysLastChanged()
115 *
116 * SECTION: Page generation; rendering and inclusion
117 * 2462: function generatePage_preProcessing()
118 * 2484: function generatePage_whichScript()
119 * 2496: function generatePage_postProcessing()
120 * 2588: function INTincScript()
121 * 2648: function INTincScript_loadJSCode()
122 * 2689: function isINTincScript()
123 * 2698: function doXHTML_cleaning()
124 * 2707: function doLocalAnchorFix()
125 *
126 * SECTION: Finished off; outputting, storing session data, statistics...
127 * 2738: function isOutputting()
128 * 2761: function processOutput()
129 * 2834: function sendCacheHeaders()
130 * 2902: function isStaticCacheble()
131 * 2915: function contentStrReplace()
132 * 2941: function isEXTincScript()
133 * 2950: function storeSessionData()
134 * 2960: function setParseTime()
135 * 2972: function statistics()
136 * 3066: function previewInfo()
137 * 3101: function hook_eofe()
138 * 3117: function beLoginLinkIPList()
139 * 3138: function addTempContentHttpHeaders()
140 *
141 * SECTION: Various internal API functions
142 * 3184: function makeSimulFileName($inTitle,$page,$type,$addParams='',$no_cache='')
143 * 3231: function simulateStaticDocuments_pEnc_onlyP_proc($linkVars)
144 * 3260: function getSimulFileName()
145 * 3271: function setSimulReplacementChar()
146 * 3291: function fileNameASCIIPrefix($inTitle,$titleChars,$mergeChar='.')
147 * 3314: function encryptEmail($string,$back=0)
148 * 3340: function codeString($string, $decode=FALSE)
149 * 3366: function roundTripCryptString($string)
150 * 3386: function checkFileInclude($incFile)
151 * 3401: function newCObj()
152 * 3414: function setAbsRefPrefix()
153 * 3428: function baseUrlWrap($url)
154 * 3447: function printError($label,$header='Error!')
155 * 3458: function updateMD5paramsRecord($hash)
156 * 3469: function tidyHTML($content)
157 * 3495: function prefixLocalAnchorsWithScript()
158 * 3505: function workspacePreviewInit()
159 * 3521: function doWorkspacePreview()
160 * 3531: function whichWorkspace($returnTitle = FALSE)
161 *
162 * SECTION: Various external API functions - for use in plugins etc.
163 * 3589: function getStorageSiterootPids()
164 * 3604: function getPagesTSconfig()
165 * 3637: function setJS($key,$content='')
166 * 3677: function setCSS($key,$content)
167 * 3692: function make_seed()
168 * 3705: function uniqueHash($str='')
169 * 3714: function set_no_cache()
170 * 3724: function set_cache_timeout_default($seconds)
171 * 3740: function plainMailEncoded($email,$subject,$message,$headers='')
172 *
173 * SECTION: Localization and character set conversion
174 * 3784: function sL($input)
175 * 3813: function readLLfile($fileRef)
176 * 3824: function getLLL($index,$LOCAL_LANG)
177 * 3838: function initLLvars()
178 * 3872: function csConv($str,$from='')
179 * 3890: function convOutputCharset($content,$label='')
180 * 3903: function convPOSTCharset()
181 *
182 * TOTAL FUNCTIONS: 116
183 * (This index is automatically created/updated by the extension "extdeveval")
184 *
185 */
186
187 require_once (PATH_t3lib.'class.t3lib_lock.php');
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208 /**
209 * Main frontend class, instantiated in the index_ts.php script as the global object TSFE
210 *
211 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
212 * @package TYPO3
213 * @subpackage tslib
214 */
215 class tslib_fe {
216
217 // CURRENT PAGE:
218 var $id=''; // The page id (int)
219 var $type=''; // RO The type (int)
220 var $idParts=array(); // Loaded with the id, exploded by ','
221 var $cHash=''; // The submitted cHash
222 var $no_cache=''; // Page will not be cached. Write only true. Never clear value (some other code might have reasons to set it true)
223 var $rootLine=''; // The rootLine (all the way to tree root, not only the current site!) (array)
224 var $page=''; // The pagerecord (array)
225 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.
226
227 /**
228 * sys_page-object, pagefunctions
229 *
230 * @var t3lib_pageSelect
231 */
232 var $sys_page='';
233 var $jumpurl='';
234 var $pageNotFound=0; // Is set to 1 if a pageNotFound handler could have been called.
235 var $domainStartPage=0; // Domain start page
236 var $pageAccessFailureHistory=array(); // Array containing a history of why a requested page was not accessible.
237 var $MP='';
238 var $RDCT='';
239 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...
240 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.
241
242 // USER
243
244 /**
245 * The FE user
246 *
247 * @var tslib_feUserAuth
248 */
249 var $fe_user='';
250 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.
251 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...
252 var $beUserLogin=''; // Flag that indicates if a Backend user is logged in!
253 var $workspacePreview=''; // Integer, that indicates which workspace is being previewed.
254 var $loginAllowedInBranch = TRUE; // Shows whether logins are allowed in branch
255 var $ADMCMD_preview_BEUSER_uid = 0; // Integer, set to backend user ID to initialize when keyword-based preview is used.
256
257 // PREVIEW
258 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
259 var $showHiddenPage=''; // Flag indicating that hidden pages should be shown, selected and so on. This goes for almost all selection of pages!
260 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.
261 var $simUserGroup='0'; // Value that contains the simulated usergroup if any
262
263 // CONFIGURATION
264 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.
265 var $config=''; // "CONFIG" object from TypoScript. Array generated based on the TypoScript configuration of the current page. Saved with the cached pages.
266 var $TCAcachedExtras=array(); // Array of cached information from TCA. This is NOT TCA itself!
267
268 // TEMPLATE / CACHE
269
270 /**
271 * The TypoScript template object. Used to parse the TypoScript template
272 *
273 * @var t3lib_TStemplate
274 */
275 var $tmpl='';
276 var $cacheTimeOutDefault=''; // Is set to the time-to-live time of cached pages. If false, default is 60*60*24, which is 24 hours.
277 var $cacheContentFlag = 0; // Set internally if cached content is fetched from the database
278 var $cacheExpires=0; // Set to the expire time of cached content
279 var $isClientCachable=FALSE; // Set if cache headers allowing caching are sent.
280 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.
281 var $sPre=''; // toplevel - objArrayName, eg 'page'
282 var $pSetup=''; // TypoScript configuration of the page-object pointed to by sPre. $this->tmpl->setup[$this->sPre.'.']
283 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
284 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
285 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.
286 var $tempContent = FALSE; // This flag indicates if temporary content went into the cache during page-generation.
287 var $forceTemplateParsing=''; // Boolean, passed to TypoScript template class and tells it to render the template forcibly
288 var $cHash_array=array(); // The array which cHash_calc is based on, see ->makeCacheHash().
289 var $hash_base=''; // Loaded with the serialized array that is used for generating a hashstring for the cache
290 var $pagesTSconfig=''; // May be set to the pagesTSconfig
291 // PAGE-GENERATION / cOBJ
292 /*
293 Eg. insert JS-functions in this array ($additionalHeaderData) to include them once. Use associative keys.
294 Keys in use:
295 JSFormValidate : <script type="text/javascript" src="'.$GLOBALS["TSFE"]->absRefPrefix.'t3lib/jsfunc.validateform.js"></script>
296 JSincludeFormupdate : <script type="text/javascript" src="t3lib/jsfunc.updateform.js"></script>
297 JSMenuCode, JSMenuCode_menu : JavaScript for the JavaScript menu
298 JSCode : reserved
299 JSImgCode : reserved
300 */
301 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[] = '...')
302 var $additionalJavaScript=array(); // used to accumulate additional JavaScript-code. Works like additionalHeaderData. Reserved keys at 'openPic' and 'mouseOver'
303 var $additionalCSS=array(); // used to accumulate additional Style code. Works like additionalHeaderData.
304 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
305 'onmousemove' => array(),
306 'onmouseup' => array(),
307 'onmousemove' => array(),
308 'onkeydown' => array(),
309 'onkeyup' => array(),
310 'onkeypress' => array(),
311 'onload' => array(),
312 'onunload' => array(),
313 );
314 var $JSCode=''; // Deprecated, use additionalJavaScript instead.
315 var $JSImgCode=''; // Used to accumulate JavaScript loaded images (by menus)
316 var $divSection=''; // Used to accumulate DHTML-layers.
317 var $defaultBodyTag='<body>'; // Default bodytag, if nothing else is set. This can be overridden by applications like TemplaVoila.
318
319 // RENDERING configuration, settings from TypoScript is loaded into these vars. See pagegen.php
320 var $debug=''; // Debug flag, may output special debug html-code.
321 var $intTarget=''; // Default internal target
322 var $extTarget=''; // Default external target
323 var $MP_defaults=array(); // Keys are page ids and values are default &MP (mount point) values to set when using the linking features...)
324 var $spamProtectEmailAddresses=0; // If set, typolink() function encrypts email addresses. Is set in pagegen-class.
325 var $absRefPrefix=''; // Absolute Reference prefix
326 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 '/'
327 var $compensateFieldWidth=''; // Factor for form-field widths compensation
328 var $lockFilePath=''; // Lock file path
329 var $ATagParams=''; // <A>-tag parameters
330 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.
331 var $sWordList=''; // Is set to the incoming array sword_list in case of a page-view jumped to from a search-result.
332 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.
333 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.
334 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.
335 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.
336 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)
337 var $sys_language_mode=''; // Site language mode for content fall back.
338 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)
339 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...]
340 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")
341
342 // RENDERING data
343 var $applicationData=Array(); // 'Global' Storage for various applications. Keys should be 'tx_'.extKey for extensions.
344 var $register=Array();
345 var $registerStack=Array(); // Stack used for storing array and retrieving register arrays (see LOAD_REGISTER and CLEAR_REGISTER)
346 var $cObjectDepthCounter = 50; // Checking that the function is not called eternally. This is done by interrupting at a depth of 50
347 var $recordRegister = Array(); // used by cObj->RECORDS and cObj->CONTENT to ensure the a records is NOT rendered twice through it!
348 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
349 var $accessKey =array(); // Used by class tslib_menu to keep track of access-keys.
350 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.
351 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
352 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()
353 var $uniqueString='';
354 var $indexedDocTitle=''; // This value will be used as the title for the page in the indexer (if indexing happens)
355 var $altPageTitle=''; // Alternative page title (normally the title of the page record). Can be set from applications you make.
356 var $pEncAllowedParamNames=array(); // An array that holds parameter names (keys) of GET parameters which MAY be MD5/base64 encoded with simulate_static_documents method.
357 var $baseUrl=''; // The base URL set for the page header.
358 var $anchorPrefix=''; // The proper anchor prefix needed when using speaking urls. (only set if baseUrl is set)
359
360 /**
361 * Page content render object
362 *
363 * @var tslib_cObj
364 */
365 var $cObj ='';
366
367 // CONTENT accumulation
368 var $content=''; // All page content is accumulated in this variable. See pagegen.php
369
370 // GENERAL
371 var $clientInfo=''; // Set to the browser: net / msie if 4+ browsers
372 var $scriptParseTime=0;
373 var $TCAloaded = 0; // Set ONLY if the full TCA is loaded
374
375 // Character set (charset) conversion object:
376
377 /**
378 * charset conversion class. May be used by any application.
379 *
380 * @var t3lib_cs
381 */
382 var $csConvObj;
383 var $defaultCharSet = 'iso-8859-1'; // The default charset used in the frontend if nothing else is set.
384 var $renderCharset=''; // Internal charset of the frontend during rendering: Defaults to "forceCharset" and if that is not set, to ->defaultCharSet
385 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.
386 var $localeCharset=''; // Assumed charset of locale strings.
387
388 // LANG:
389 var $lang=''; // Set to the system language key (used on the site)
390 var $langSplitIndex=0; // Set to the index number of the language key
391 var $LL_labels_cache=array();
392 var $LL_files_cache=array();
393
394 /**
395 * Locking object
396 *
397 * @var t3lib_lock
398 */
399 var $pagesection_lockObj; // Locking object for accessing "cache_pagesection"
400
401 /**
402 * Locking object
403 *
404 * @var t3lib_lock
405 */
406 var $pages_lockObj; // Locking object for accessing "cache_pages"
407
408 /**
409 * the page cache object, use this to save pages to the cache and to
410 * retrieve them again
411 *
412 * @var t3lib_cache_AbstractBackend
413 */
414 protected $pageCache;
415 protected $pageCacheTags = array();
416
417
418 /**
419 * Class constructor
420 * Takes a number of GET/POST input variable as arguments and stores them internally.
421 * The processing of these variables goes on later in this class.
422 * Also sets internal clientInfo array (browser information) and a unique string (->uniqueString) for this script instance; A md5 hash of the microtime()
423 *
424 * @param array The global $TYPO3_CONF_VARS array. Will be set internally in ->TYPO3_CONF_VARS
425 * @param mixed The value of t3lib_div::_GP('id')
426 * @param integer The value of t3lib_div::_GP('type')
427 * @param boolean The value of t3lib_div::_GP('no_cache'), evaluated to 1/0
428 * @param string The value of t3lib_div::_GP('cHash')
429 * @param string The value of t3lib_div::_GP('jumpurl')
430 * @param string The value of t3lib_div::_GP('MP')
431 * @param string The value of t3lib_div::_GP('RDCT')
432 * @return void
433 * @see index_ts.php
434 */
435 function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='') {
436
437 // Setting some variables:
438 $this->TYPO3_CONF_VARS = $TYPO3_CONF_VARS;
439 $this->id = $id;
440 $this->type = $type;
441 if ($no_cache) {
442 if ($this->TYPO3_CONF_VARS['FE']['disableNoCacheParameter']) {
443 $warning = '&no_cache=1 has been ignored because $TYPO3_CONF_VARS[\'FE\'][\'disableNoCacheParameter\'] is set!';
444 $GLOBALS['TT']->setTSlogMessage($warning,2);
445 } else {
446 $warning = '&no_cache=1 has been supplied, so caching is disabled! URL: "'.t3lib_div::getIndpEnv('TYPO3_REQUEST_URL').'"';
447 $this->no_cache = $no_cache ? 1 : 0;
448 }
449 t3lib_div::sysLog($warning, 'cms', 2);
450 }
451 $this->cHash = $cHash;
452 $this->jumpurl = $jumpurl;
453 $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? (string)$MP : '';
454 $this->RDCT = $RDCT;
455 $this->clientInfo = t3lib_div::clientInfo();
456 $this->uniqueString=md5(microtime());
457
458 $this->csConvObj = t3lib_div::makeInstance('t3lib_cs');
459
460 // Call post processing function for constructor:
461 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'])) {
462 $_params = array('pObj' => &$this);
463 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'] as $_funcRef) {
464 t3lib_div::callUserFunction($_funcRef,$_params,$this);
465 }
466 }
467 }
468
469 /**
470 * Connect to MySQL database
471 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
472 * Use connectToDB() instead!
473 *
474 * @return void
475 * @deprecated
476 */
477 function connectToMySQL() {
478 $this->connectToDB();
479 }
480
481 /**
482 * Connect to SQL database
483 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
484 *
485 * @return void
486 */
487 function connectToDB() {
488 if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
489 if (!TYPO3_db) {
490 $this->printError('No database selected','Database Error');
491 // Redirects to the Install Tool:
492 echo '<script type="text/javascript">
493 /*<![CDATA[*/
494 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
495 /*]]>*/
496 </script>';
497 exit;
498 } elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db)) {
499 if ($this->checkPageUnavailableHandler()) {
500 $this->pageUnavailableAndExit('Cannot connect to the current database, "'.TYPO3_db.'"');
501 } else {
502 $message = 'Cannot connect to the current database, "'.TYPO3_db.'"';
503 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
504 header('HTTP/1.0 503 Service Temporarily Unavailable');
505 $this->printError($message, 'Database Error');
506 exit;
507 }
508 }
509 } else {
510 if (!TYPO3_db) {
511 // Redirects to the Install Tool:
512 echo '<script type="text/javascript">
513 /*<![CDATA[*/
514 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
515 /*]]>*/
516 </script>';
517 exit;
518 }
519
520 if ($this->checkPageUnavailableHandler()) {
521 $this->pageUnavailableAndExit('The current username, password or host was not accepted when the connection to the database was attempted to be established!');
522 } else {
523 $message = 'The current username, password or host was not accepted when the connection to the database was attempted to be established!';
524 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
525 header('HTTP/1.0 503 Service Temporarily Unavailable');
526 $this->printError($message, 'Database Error');
527 exit;
528 }
529 }
530
531
532 // Call post processing function for DB connection:
533 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
534 $_params = array('pObj' => &$this);
535 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
536 t3lib_div::callUserFunction($_funcRef,$_params,$this);
537 }
538 }
539 }
540
541 /**
542 * 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
543 * May exit after sending a location-header.
544 *
545 * @return void
546 */
547 function sendRedirect() {
548 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->RDCT, 'cache_md5params'));
549 if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
550 $this->updateMD5paramsRecord($this->RDCT);
551 header('Location: '.$row['params']);
552 exit;
553 }
554 }
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573 /********************************************
574 *
575 * Initializing, resolving page id
576 *
577 ********************************************/
578
579
580 /**
581 * Initializes the caching system.
582 *
583 * @return void
584 */
585 public function initCaches() {
586 try {
587 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
588 'cache_pages'
589 );
590 } catch(t3lib_cache_exception_NoSuchCache $e) {
591 t3lib_cache::initPageCache();
592
593 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
594 'cache_pages'
595 );
596 }
597
598 t3lib_cache::initPageSectionCache();
599 t3lib_cache::initContentHashCache();
600 }
601
602 /**
603 * Initializes the front-end login user.
604 *
605 * @return void
606 */
607 function initFEuser() {
608 $this->fe_user = t3lib_div::makeInstance('tslib_feUserAuth');
609
610 $this->fe_user->lockIP = $this->TYPO3_CONF_VARS['FE']['lockIP'];
611 $this->fe_user->lockHashKeyWords = $this->TYPO3_CONF_VARS['FE']['lockHashKeyWords'];
612 $this->fe_user->checkPid = $this->TYPO3_CONF_VARS['FE']['checkFeUserPid'];
613 $this->fe_user->lifetime = intval($this->TYPO3_CONF_VARS['FE']['lifetime']);
614 $this->fe_user->checkPid_value = $GLOBALS['TYPO3_DB']->cleanIntList(t3lib_div::_GP('pid')); // List of pid's acceptable
615
616 // Check if a session is transferred:
617 if (t3lib_div::_GP('FE_SESSION_KEY')) {
618 $fe_sParts = explode('-',t3lib_div::_GP('FE_SESSION_KEY'));
619 if (!strcmp(md5($fe_sParts[0].'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']), $fe_sParts[1])) { // If the session key hash check is OK:
620 $_COOKIE[$this->fe_user->name] = $fe_sParts[0];
621 $this->fe_user->forceSetCookie = 1;
622 }
623 }
624
625 if ($this->TYPO3_CONF_VARS['FE']['dontSetCookie']) {
626 $this->fe_user->dontSetCookie=1;
627 }
628
629 $this->fe_user->start();
630 $this->fe_user->unpack_uc('');
631 $this->fe_user->fetchSessionData(); // Gets session data
632 $recs = t3lib_div::_GP('recs');
633 if (is_array($recs)) { // If any record registration is submitted, register the record.
634 $this->fe_user->record_registration($recs, $this->TYPO3_CONF_VARS['FE']['maxSessionDataSize']);
635 }
636
637 // Call hook for possible manipulation of frontend user object
638 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'])) {
639 $_params = array('pObj' => &$this);
640 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'] as $_funcRef) {
641 t3lib_div::callUserFunction($_funcRef,$_params,$this);
642 }
643 }
644
645 // For every 60 seconds the is_online timestamp is updated.
646 if (is_array($this->fe_user->user) && $this->fe_user->user['uid'] && $this->fe_user->user['is_online']<($GLOBALS['EXEC_TIME']-60)) {
647 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('fe_users', 'uid='.intval($this->fe_user->user['uid']), array('is_online' => $GLOBALS['EXEC_TIME']));
648 }
649 }
650
651 /**
652 * Initializes the front-end user groups.
653 * Sets ->loginUser and ->gr_list based on front-end user status.
654 *
655 * @return void
656 */
657 function initUserGroups() {
658
659 $this->fe_user->showHiddenRecords = $this->showHiddenRecords; // This affects the hidden-flag selecting the fe_groups for the user!
660 $this->fe_user->fetchGroupData(); // no matter if we have an active user we try to fetch matching groups which can be set without an user (simulation for instance!)
661
662 if (is_array($this->fe_user->user) && count($this->fe_user->groupData['uid'])) {
663 $this->loginUser=1; // global flag!
664 $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!
665 $gr_array = $this->fe_user->groupData['uid'];
666 } else {
667 $this->loginUser=0;
668 $this->gr_list = '0,-1'; // group -1 is not an existing group, but denotes a 'default' group when not logged in. This is used to let elements be hidden, when a user is logged in!
669
670 if ($this->loginAllowedInBranch) {
671 $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.
672 } else {
673 $gr_array = array(); // Set to blank since we will NOT risk any groups being set when no logins are allowed!
674 }
675 }
676
677 // Clean up.
678 $gr_array = array_unique($gr_array); // Make unique...
679 sort($gr_array); // sort
680 if (count($gr_array)) {
681 $this->gr_list.=','.implode(',',$gr_array);
682 }
683
684 if ($this->fe_user->writeDevLog) t3lib_div::devLog('Valid usergroups for TSFE: '.$this->gr_list, 'tslib_fe');
685 }
686
687 /**
688 * Checking if a user is logged in or a group constellation different from "0,-1"
689 *
690 * @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!)
691 */
692 function isUserOrGroupSet() {
693 return is_array($this->fe_user->user) || $this->gr_list!=='0,-1';
694 }
695
696 /**
697 * Provides ways to bypass the '?id=[xxx]&type=[xx]' format, using either PATH_INFO or virtual HTML-documents (using Apache mod_rewrite)
698 *
699 * Three options:
700 * 1) Apache mod_rewrite: Here a .htaccess file maps all .html-files to index.php and then we extract the id and type from the name of that HTML-file. (AKA "simulateStaticDocuments")
701 * 2) Use PATH_INFO (also Apache) to extract id and type from that var. Does not require any special modules compiled with apache. (less typical)
702 * 3) Using hook which enables features like those provided from "realurl" extension (AKA "Speaking URLs")
703 *
704 * Support for RewriteRule to generate (simulateStaticDocuments)
705 * With the mod_rewrite compiled into apache, put these lines into a .htaccess in this directory:
706 * RewriteEngine On
707 * RewriteRule ^[^/]*\.html$ index.php
708 * The url must end with '.html' and the format must comply with either of these:
709 * 1: '[title].[id].[type].html' - title is just for easy recognition in the logfile!; no practical use of the title for TYPO3.
710 * 2: '[id].[type].html' - above, but title is omitted; no practical use of the title for TYPO3.
711 * 3: '[id].html' - only id, type is set to the default, zero!
712 * NOTE: In all case 'id' may be the uid-number OR the page alias (if any)
713 *
714 * @return void
715 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&cHash=4ad9d7acb4
716 */
717 function checkAlternativeIdMethods() {
718
719 $this->siteScript = t3lib_div::getIndpEnv('TYPO3_SITE_SCRIPT');
720
721 // Resolving of "simulateStaticDocuments" URLs:
722 if ($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
723 $uParts = parse_url($this->siteScript); // Parse the path:
724 $fI = t3lib_div::split_fileref($uParts['path']);
725
726 if (!$fI['path'] && $fI['file'] && substr($fI['file'],-5)=='.html') {
727 $parts = explode('.',$fI['file']);
728 $pCount = count($parts);
729 if ($pCount>2) {
730 $this->type = intval($parts[$pCount-2]);
731 $this->id = $parts[$pCount-3];
732 } else {
733 $this->type = 0;
734 $this->id = $parts[0];
735 }
736 }
737 }
738
739 // If PATH_INFO
740 if (t3lib_div::getIndpEnv('PATH_INFO')) { // If pathinfo contains stuff...
741 $parts=t3lib_div::trimExplode('/',t3lib_div::getIndpEnv('PATH_INFO'),1);
742 $parts[]='html';
743 $pCount = count($parts);
744 if ($pCount>2) {
745 $this->type = intval($parts[$pCount-2]);
746 $this->id = $parts[$pCount-3];
747 } else {
748 $this->type = 0;
749 $this->id = $parts[0];
750 }
751 $this->absRefPrefix_force=1;
752 }
753
754 // Call post processing function for custom URL methods.
755 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'])) {
756 $_params = array('pObj' => &$this);
757 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'] as $_funcRef) {
758 t3lib_div::callUserFunction($_funcRef,$_params,$this);
759 }
760 }
761 }
762
763 /**
764 * Clears the preview-flags, sets sim_exec_time to current time.
765 * 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.
766 *
767 * @return void
768 */
769 function clear_preview() {
770 $this->showHiddenPage = 0;
771 $this->showHiddenRecords = 0;
772 $GLOBALS['SIM_EXEC_TIME'] = $GLOBALS['EXEC_TIME'];
773 $GLOBALS['SIM_ACCESS_TIME'] = $GLOBALS['ACCESS_TIME'];
774 $this->fePreview = 0;
775 }
776
777 /**
778 * Determines the id and evaluates any preview settings
779 * 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.
780 *
781 * @return void
782 */
783 function determineId() {
784
785 // Getting ARG-v values if some
786 $this->setIDfromArgV();
787
788 // If there is a Backend login we are going to check for any preview settings:
789 $GLOBALS['TT']->push('beUserLogin','');
790 if ($this->beUserLogin || $this->doWorkspacePreview()) {
791
792 // Backend user preview features:
793 if ($this->beUserLogin) {
794 $this->fePreview = $GLOBALS['BE_USER']->extGetFeAdminValue('preview') ? 1 : 0;
795
796 // If admin panel preview is enabled...
797 if ($this->fePreview) {
798 $fe_user_OLD_USERGROUP = $this->fe_user->user['usergroup'];
799
800 $this->showHiddenPage = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenPages');
801 $this->showHiddenRecords = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenRecords');
802 // simulate date
803 $simTime = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateDate');
804 if ($simTime) {
805 $GLOBALS['SIM_EXEC_TIME'] = $simTime;
806 $GLOBALS['SIM_ACCESS_TIME'] = $simTime - ($simTime % 60);
807 }
808 // simulate user
809 $simUserGroup = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateUserGroup');
810 $this->simUserGroup = $simUserGroup;
811 if ($simUserGroup) $this->fe_user->user['usergroup']=$simUserGroup;
812 if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
813 $this->fePreview=0;
814 }
815 }
816 }
817
818 if ($this->id) {
819
820 // Now it's investigated if the raw page-id points to a hidden page and if so, the flag is set.
821 // This does not require the preview flag to be set in the admin panel
822 $idQ = t3lib_div::testInt($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...
823 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('hidden', 'pages', $idQ.' AND hidden!=0 AND deleted=0');
824 if ($GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
825 $this->fePreview = 1; // The preview flag is set only if the current page turns out to actually be hidden!
826 $this->showHiddenPage = 1;
827 }
828
829 // For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
830 if (!$this->fePreview && $this->whichWorkspace()===0) {
831
832 // Initialize the page-select functions to check rootline:
833 $temp_sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
834 $temp_sys_page->init($this->showHiddenPage);
835 // If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
836 if (!count($temp_sys_page->getRootLine($this->id,$this->MP)) && $temp_sys_page->error_getRootLine_failPid==-1) {
837
838 // Setting versioningPreview flag and try again:
839 $temp_sys_page->versioningPreview = TRUE;
840 if (count($temp_sys_page->getRootLine($this->id,$this->MP))) {
841 // 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.
842 $this->fePreview = 1;
843 }
844 }
845 }
846 }
847
848 // The preview flag will be set if a backend user is in an offline workspace
849 if (($GLOBALS['BE_USER']->user['workspace_preview'] || t3lib_div::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace()===-1 || $this->whichWorkspace()>0)) {
850 $this->fePreview = 2; // Will show special preview message.
851 }
852
853 // If the front-end is showing a preview, caching MUST be disabled.
854 if ($this->fePreview) {
855 $this->set_no_cache();
856 }
857 }
858 $GLOBALS['TT']->pull();
859
860 // Now, get the id, validate access etc:
861 $this->fetch_the_id();
862
863 // Check if backend user has read access to this page. If not, recalculate the id.
864 if ($this->beUserLogin && $this->fePreview) {
865 if (!$GLOBALS['BE_USER']->doesUserHaveAccess($this->page,1)) {
866
867 // Resetting
868 $this->clear_preview();
869 $this->fe_user->user['usergroup'] = $fe_user_OLD_USERGROUP;
870
871 // Fetching the id again, now with the preview settings reset.
872 $this->fetch_the_id();
873 }
874 }
875
876 // Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
877 $this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
878 if (!$this->loginAllowedInBranch) { // Logins are not allowed:
879 if ($this->isUserOrGroupSet()) { // Only if there is a login will we run this...
880
881 // Clear out user and group:
882 unset($this->fe_user->user);
883 $this->gr_list = '0,-1';
884
885 // Fetching the id again, now with the preview settings reset.
886 $this->fetch_the_id();
887 }
888 }
889
890 // Final cleaning.
891 $this->id = $this->contentPid = intval($this->id); // Make sure it's an integer
892 $this->type = intval($this->type); // Make sure it's an integer
893
894 // Look for alternative content PID if page is under version preview:
895 if ($this->fePreview) {
896 if ($this->page['_ORIG_pid']==-1 && $this->page['t3ver_swapmode']==0) { // Current page must have been an offline version and have swapmode set to 0:
897 // 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!
898 $this->contentPid = $this->page['_ORIG_uid'];
899 }
900 }
901
902 // Call post processing function for id determination:
903 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
904 $_params = array('pObj' => &$this);
905 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
906 t3lib_div::callUserFunction($_funcRef,$_params,$this);
907 }
908 }
909 }
910
911 /**
912 * Get The Page ID
913 * This gets the id of the page, checks if the page is in the domain and if the page is accessible
914 * Sets variables such as $this->sys_page, $this->loginUser, $this->gr_list, $this->id, $this->type, $this->domainStartPage, $this->idParts
915 *
916 * @return void
917 * @access private
918 */
919 function fetch_the_id() {
920 $GLOBALS['TT']->push('fetch_the_id initialize/','');
921
922 // Initialize the page-select functions.
923 $this->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
924 $this->sys_page->versioningPreview = $this->fePreview ? TRUE : FALSE;
925 $this->sys_page->versioningWorkspaceId = $this->whichWorkspace();
926 $this->sys_page->init($this->showHiddenPage);
927
928 // Set the valid usergroups for FE
929 $this->initUserGroups();
930
931 // Sets sys_page where-clause
932 $this->setSysPageWhereClause();
933
934 // Splitting $this->id by a period (.). First part is 'id' and second part - if exists - will overrule the &type param if given
935 $pParts = explode('.',$this->id);
936 $this->id = $pParts[0]; // Set it.
937 if (isset($pParts[1])) {$this->type=$pParts[1];}
938
939 // Splitting $this->id by a comma (,). First part is 'id' and other parts are just stored for use in scripts.
940 $this->idParts = explode(',',$this->id);
941
942 // Splitting by a '+' sign - used for base64/md5 methods of parameter encryption for simulate static documents.
943 list($pgID,$SSD_p)=explode('+',$this->idParts[0],2);
944 if ($SSD_p) { $this->idPartsAnalyze($SSD_p); }
945 $this->id = $pgID; // Set id
946
947 // If $this->id is a string, it's an alias
948 $this->checkAndSetAlias();
949
950 // The id and type is set to the integer-value - just to be sure...
951 $this->id = intval($this->id);
952 $this->type = intval($this->type);
953 $GLOBALS['TT']->pull();
954
955 // We find the first page belonging to the current domain
956 $GLOBALS['TT']->push('fetch_the_id domain/','');
957 $this->domainStartPage = $this->findDomainRecord($this->TYPO3_CONF_VARS['SYS']['recursiveDomainSearch']); // the page_id of the current domain
958 if (!$this->id) {
959 if ($this->domainStartPage) {
960 $this->id = $this->domainStartPage; // If the id was not previously set, set it to the id of the domain.
961 } else {
962 $theFirstPage = $this->sys_page->getFirstWebPage($this->id); // Find the first 'visible' page in that domain
963 if ($theFirstPage) {
964 $this->id = $theFirstPage['uid'];
965 } else {
966 if ($this->checkPageUnavailableHandler()) {
967 $this->pageUnavailableAndExit('No pages are found on the rootlevel!');
968 } else {
969 $message = 'No pages are found on the rootlevel!';
970 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
971 header('HTTP/1.0 503 Service Temporarily Unavailable');
972 $this->printError($message);
973 exit;
974 }
975 }
976 }
977 }
978 $GLOBALS['TT']->pull();
979
980 $GLOBALS['TT']->push('fetch_the_id rootLine/','');
981 $requestedId = $this->id; // We store the originally requested id
982 $this->getPageAndRootlineWithDomain($this->domainStartPage);
983 $GLOBALS['TT']->pull();
984
985 if ($this->pageNotFound && $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
986 $pNotFoundMsg = array(
987 1 => 'ID was not an accessible page',
988 2 => 'Subsection was found and not accessible',
989 3 => 'ID was outside the domain',
990 4 => 'The requested page alias does not exist'
991 );
992 $this->pageNotFoundAndExit($pNotFoundMsg[$this->pageNotFound]);
993 }
994
995 // set no_cache if set
996 if ($this->page['no_cache']) {
997 $this->set_no_cache();
998 }
999
1000 // Init SYS_LASTCHANGED
1001 $this->register['SYS_LASTCHANGED'] = intval($this->page['tstamp']);
1002 if ($this->register['SYS_LASTCHANGED'] < intval($this->page['SYS_LASTCHANGED'])) {
1003 $this->register['SYS_LASTCHANGED'] = intval($this->page['SYS_LASTCHANGED']);
1004 }
1005 }
1006
1007 /**
1008 * Gets the page and rootline arrays based on the id, $this->id
1009 *
1010 * If the id does not correspond to a proper page, the 'previous' valid page in the rootline is found
1011 * If the page is a shortcut (doktype=4), the ->id is loaded with that id
1012 *
1013 * 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.
1014 *
1015 * Sets or manipulates internal variables such as: $this->id, $this->page, $this->rootLine, $this->MP, $this->pageNotFound
1016 *
1017 * @return void
1018 * @access private
1019 */
1020 function getPageAndRootline() {
1021 $this->page = $this->sys_page->getPage($this->id);
1022 if (!count($this->page)) {
1023 // If no page, we try to find the page before in the rootLine.
1024 $this->pageNotFound=1; // Page is 'not found' in case the id itself was not an accessible page. code 1
1025 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1026 if (count($this->rootLine)) {
1027 $c=count($this->rootLine)-1;
1028 while($c>0) {
1029
1030 // Add to page access failure history:
1031 $this->pageAccessFailureHistory['direct_access'][] = $this->rootLine[$c];
1032
1033 // Decrease to next page in rootline and check the access to that, if OK, set as page record and ID value.
1034 $c--;
1035 $this->id = $this->rootLine[$c]['uid'];
1036 $this->page = $this->sys_page->getPage($this->id);
1037 if (count($this->page)) { break; }
1038 }
1039 }
1040 // If still no page...
1041 if (!count($this->page)) {
1042 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1043 $this->pageNotFoundAndExit('The requested page does not exist!');
1044 } else {
1045 $message = 'The requested page does not exist!';
1046 header('HTTP/1.0 404 Page Not Found');
1047 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1048 $this->printError($message);
1049 exit;
1050 }
1051 }
1052 }
1053
1054 // Spacer is not accessible in frontend
1055 if ($this->page['doktype'] == 199) {
1056 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1057 $this->pageNotFoundAndExit('The requested page does not exist!');
1058 } else {
1059 $message = 'The requested page does not exist!';
1060 header('HTTP/1.0 404 Page Not Found');
1061 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1062 $this->printError($message);
1063 exit;
1064 }
1065 }
1066
1067 // Is the ID a link to another page??
1068 if ($this->page['doktype']==4) {
1069 $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.
1070 $this->page = $this->getPageShortcut($this->page['shortcut'],$this->page['shortcut_mode'],$this->page['uid']);
1071 $this->id = $this->page['uid'];
1072 }
1073
1074 // Gets the rootLine
1075 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1076
1077 // If not rootline we're off...
1078 if (!count($this->rootLine)) {
1079 $ws = $this->whichWorkspace();
1080 if ($this->sys_page->error_getRootLine_failPid==-1 && $ws) {
1081 $this->sys_page->versioningPreview = TRUE;
1082 $this->versioningWorkspaceId = $ws;
1083 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1084 }
1085 if (!count($this->rootLine)) {
1086 if ($this->checkPageUnavailableHandler()) {
1087 $this->pageUnavailableAndExit('The requested page didn\'t have a proper connection to the tree-root!');
1088 } else {
1089 $message = 'The requested page didn\'t have a proper connection to the tree-root! <br /><br />('.$this->sys_page->error_getRootLine.')';
1090 header('HTTP/1.0 503 Service Temporarily Unavailable');
1091 t3lib_div::sysLog(str_replace('<br /><br />','',$message), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1092 $this->printError($message);
1093 exit;
1094 }
1095 }
1096 $this->fePreview = 1;
1097 }
1098
1099 // Checking for include section regarding the hidden/starttime/endtime/fe_user (that is access control of a whole subbranch!)
1100 if ($this->checkRootlineForIncludeSection()) {
1101 if (!count($this->rootLine)) {
1102 if ($this->checkPageUnavailableHandler()) {
1103 $this->pageUnavailableAndExit('The requested page was not accesible!');
1104 } else {
1105 $message = 'The requested page was not accessible!';
1106 header('HTTP/1.0 503 Service Temporarily Unavailable');
1107 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1108 $this->printError($message);
1109 exit;
1110 }
1111 } else {
1112 $el = reset($this->rootLine);
1113 $this->id = $el['uid'];
1114 $this->page = $this->sys_page->getPage($this->id);
1115 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1116 }
1117 }
1118 }
1119
1120 /**
1121 * Get page shortcut; Finds the records pointed to by input value $SC (the shortcut value)
1122 *
1123 * @param integer The value of the "shortcut" field from the pages record
1124 * @param integer The shortcut mode: 1 and 2 will select either first subpage or random subpage; the default is the page pointed to by $SC
1125 * @param integer The current page UID of the page which is a shortcut
1126 * @param integer Safety feature which makes sure that the function is calling itself recursively max 20 times (since this function can find shortcuts to other shortcuts to other shortcuts...)
1127 * @param array An array filled with previous page uids tested by the function - new page uids are evaluated against this to avoid going in circles.
1128 * @return mixed Returns the page record of the page that the shortcut pointed to.
1129 * @access private
1130 * @see getPageAndRootline()
1131 */
1132 function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array()) {
1133 $idArray = t3lib_div::intExplode(',',$SC);
1134
1135 // Find $page record depending on shortcut mode:
1136 switch($mode) {
1137 case 1:
1138 case 2:
1139 $pageArray = $this->sys_page->getMenu($idArray[0]?$idArray[0]:$thisUid,'*','sorting','AND pages.doktype<199 AND pages.doktype!=6');
1140 $pO = 0;
1141 if ($mode==2 && count($pageArray)) { // random
1142 $this->make_seed();
1143 $randval = intval(rand(0,count($pageArray)-1));
1144 $pO = $randval;
1145 }
1146 $c = 0;
1147 reset($pageArray);
1148 while(list(,$pV)=each($pageArray)) {
1149 if ($c==$pO) {
1150 $page = $pV;
1151 break;
1152 }
1153 $c++;
1154 }
1155 break;
1156 default:
1157 $page = $this->sys_page->getPage($idArray[0]);
1158 break;
1159 }
1160
1161 // Check if short cut page was a shortcut itself, if so look up recursively:
1162 if ($page['doktype']==4) {
1163 if (!in_array($page['uid'],$pageLog) && $itera>0) {
1164 $pageLog[] = $page['uid'];
1165 $page = $this->getPageShortcut($page['shortcut'],$page['shortcut_mode'],$page['uid'],$itera-1,$pageLog);
1166 } else {
1167 $pageLog[] = $page['uid'];
1168 $message = 'Page shortcuts were looping in uids '.implode(',',$pageLog).'...!';
1169 header('HTTP/1.0 500 Internal Server Error');
1170 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1171 $this->printError($message);
1172 exit;
1173 }
1174 }
1175 // Return resulting page:
1176 return $page;
1177 }
1178
1179 /**
1180 * Checks the current rootline for defined sections.
1181 *
1182 * @return boolean
1183 * @access private
1184 */
1185 function checkRootlineForIncludeSection() {
1186 $c=count($this->rootLine);
1187 $removeTheRestFlag=0;
1188
1189 for ($a=0;$a<$c;$a++) {
1190 if (!$this->checkPagerecordForIncludeSection($this->rootLine[$a])) {
1191 // Add to page access failure history:
1192 $this->pageAccessFailureHistory['sub_section'][] = $this->rootLine[$a];
1193 $removeTheRestFlag=1;
1194 }
1195 if ($this->rootLine[$a]['doktype']==6) {
1196 if ($this->beUserLogin) { // If there is a backend user logged in, check if he has read access to the page:
1197 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($this->id).' AND '.$GLOBALS['BE_USER']->getPagePermsClause(1)); // versionOL()?
1198 list($isPage) = $GLOBALS['TYPO3_DB']->sql_fetch_row($res);
1199 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...
1200 } else { // Dont go here, if there is no backend user logged in.
1201 $removeTheRestFlag=1;
1202 }
1203 }
1204 if ($removeTheRestFlag) {
1205 $this->pageNotFound=2; // Page is 'not found' in case a subsection was found and not accessible, code 2
1206 unset($this->rootLine[$a]);
1207 }
1208 }
1209 return $removeTheRestFlag;
1210 }
1211
1212 /**
1213 * Checks page record for enableFields
1214 * Returns true if enableFields does not disable the page record.
1215 * Takes notice of the ->showHiddenPage flag and uses SIM_ACCESS_TIME for start/endtime evaluation
1216 *
1217 * @param array The page record to evaluate (needs fields: hidden, starttime, endtime, fe_group)
1218 * @param boolean Bypass group-check
1219 * @return boolean True, if record is viewable.
1220 * @see tslib_cObj::getTreeList(), checkPagerecordForIncludeSection()
1221 */
1222 function checkEnableFields($row,$bypassGroupCheck=FALSE) {
1223 if ((!$row['hidden'] || $this->showHiddenPage)
1224 && $row['starttime']<=$GLOBALS['SIM_ACCESS_TIME']
1225 && ($row['endtime']==0 || $row['endtime']>$GLOBALS['SIM_ACCESS_TIME'])
1226 && ($bypassGroupCheck || $this->checkPageGroupAccess($row))
1227 ) { return TRUE; }
1228 }
1229
1230 /**
1231 * Check group access against a page record
1232 *
1233 * @param array The page record to evaluate (needs field: fe_group)
1234 * @param mixed List of group id's (comma list or array). Default is $this->gr_list
1235 * @return boolean True, if group access is granted.
1236 * @access private
1237 */
1238 function checkPageGroupAccess($row, $groupList=NULL) {
1239 if(is_null($groupList)) {
1240 $groupList = $this->gr_list;
1241 }
1242 if(!is_array($groupList)) {
1243 $groupList = explode(',', $groupList);
1244 }
1245 $pageGroupList = explode(',', $row['fe_group'] ? $row['fe_group'] : 0);
1246 return count(array_intersect($groupList, $pageGroupList)) > 0;
1247 }
1248
1249 /**
1250 * Checks page record for include section
1251 *
1252 * @param array The page record to evaluate (needs fields: extendToSubpages + hidden, starttime, endtime, fe_group)
1253 * @return boolean Returns true if either extendToSubpages is not checked or if the enableFields does not disable the page record.
1254 * @access private
1255 * @see checkEnableFields(), tslib_cObj::getTreeList(), checkRootlineForIncludeSection()
1256 */
1257 function checkPagerecordForIncludeSection($row) {
1258 return (!$row['extendToSubpages'] || $this->checkEnableFields($row)) ? 1 : 0;
1259 }
1260
1261 /**
1262 * 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!)
1263 *
1264 * @return boolean returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
1265 */
1266 function checkIfLoginAllowedInBranch() {
1267
1268 // Initialize:
1269 $c = count($this->rootLine);
1270 $disable = FALSE;
1271
1272 // Traverse root line from root and outwards:
1273 for ($a=0; $a<$c; $a++) {
1274
1275 // If a value is set for login state:
1276 if ($this->rootLine[$a]['fe_login_mode'] > 0) {
1277
1278 // Determine state from value:
1279 $disable = (int)$this->rootLine[$a]['fe_login_mode'] === 1 ? TRUE : FALSE;
1280 }
1281 }
1282
1283 return !$disable;
1284 }
1285
1286 /**
1287 * 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
1288 *
1289 * @return array Summary of why page access was not allowed.
1290 */
1291 function getPageAccessFailureReasons() {
1292 $output = array();
1293
1294 $combinedRecords = array_merge(
1295 is_array($this->pageAccessFailureHistory['direct_access']) ? $this->pageAccessFailureHistory['direct_access'] : array(array('fe_group'=>0)), // Adding fake first record for direct access if none, otherwise $k==0 below will be indicating a sub-section record to be first direct_access record which is of course false!
1296 is_array($this->pageAccessFailureHistory['sub_section']) ? $this->pageAccessFailureHistory['sub_section'] : array()
1297 );
1298
1299 if (count($combinedRecords)) {
1300 foreach($combinedRecords as $k => $pagerec) {
1301 // 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
1302 // If $k>0 it is parent pages being tested. They are only significant for the access to the first page IF they had the extendToSubpages flag set, hence checked only then!
1303 if (!$k || $pagerec['extendToSubpages']) {
1304 if ($pagerec['hidden']) $output['hidden'][$pagerec['uid']] = TRUE;
1305 if ($pagerec['starttime'] > $GLOBALS['SIM_ACCESS_TIME']) $output['starttime'][$pagerec['uid']] = $pagerec['starttime'];
1306 if ($pagerec['endtime']!=0 && $pagerec['endtime'] <= $GLOBALS['SIM_ACCESS_TIME']) $output['endtime'][$pagerec['uid']] = $pagerec['endtime'];
1307 if (!$this->checkPageGroupAccess($pagerec)) $output['fe_group'][$pagerec['uid']] = $pagerec['fe_group'];
1308 }
1309 }
1310 }
1311
1312 return $output;
1313 }
1314
1315 /**
1316 * This checks if there are ARGV-parameters in the QUERY_STRING and if so, those are used for the id
1317 * $this->id must be 'false' in order for any processing to happen in here
1318 * If an id/alias value is extracted from the QUERY_STRING it is set in $this->id
1319 *
1320 * @return void
1321 * @access private
1322 */
1323 function setIDfromArgV() {
1324 if (!$this->id) {
1325 list($theAlias) = explode('&',t3lib_div::getIndpEnv('QUERY_STRING'));
1326 $theAlias = trim($theAlias);
1327 $this->id = ($theAlias != '' && strpos($theAlias, '=') === false) ? $theAlias : 0;
1328 }
1329 }
1330
1331 /**
1332 * Gets ->page and ->rootline information based on ->id. ->id may change during this operation.
1333 * If not inside domain, then default to first page in domain.
1334 *
1335 * @param integer Page uid of the page where the found domain record is (pid of the domain record)
1336 * @return void
1337 * @access private
1338 */
1339 function getPageAndRootlineWithDomain($domainStartPage) {
1340 $this->getPageAndRootline();
1341
1342 // Checks if the $domain-startpage is in the rootLine. This is necessary so that references to page-id's from other domains are not possible.
1343 if ($domainStartPage && is_array($this->rootLine)) {
1344 reset ($this->rootLine);
1345 $idFound = 0;
1346 while(list($key,$val)=each($this->rootLine)) {
1347 if ($val['uid']==$domainStartPage) {
1348 $idFound=1;
1349 break;
1350 }
1351 }
1352 if (!$idFound) {
1353 $this->pageNotFound=3; // Page is 'not found' in case the id was outside the domain, code 3
1354 $this->id = $domainStartPage;
1355 $this->getPageAndRootline(); //re-get the page and rootline if the id was not found.
1356 }
1357 }
1358 }
1359
1360 /**
1361 * Sets sys_page where-clause
1362 *
1363 * @return void
1364 * @access private
1365 */
1366 function setSysPageWhereClause() {
1367 $this->sys_page->where_hid_del.=' AND pages.doktype<200';
1368 $this->sys_page->where_groupAccess = $this->sys_page->getMultipleGroupsWhereClause('pages.fe_group', 'pages');
1369 }
1370
1371 /**
1372 * Looking up a domain record based on HTTP_HOST
1373 *
1374 * @param boolean If set, it looks "recursively" meaning that a domain like "123.456.typo3.com" would find a domain record like "typo3.com" if "123.456.typo3.com" or "456.typo3.com" did not exist.
1375 * @return integer Returns the page id of the page where the domain record was found.
1376 * @access private
1377 */
1378 function findDomainRecord($recursive=0) {
1379 if ($recursive) {
1380 $host = explode('.',t3lib_div::getIndpEnv('HTTP_HOST'));
1381 while(count($host)) {
1382 $pageUid = $this->sys_page->getDomainStartPage(implode('.',$host),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1383 if ($pageUid) return $pageUid; else array_shift($host);
1384 }
1385 return $pageUid;
1386 } else {
1387 return $this->sys_page->getDomainStartPage(t3lib_div::getIndpEnv('HTTP_HOST'),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1388 }
1389 }
1390
1391 /**
1392 * Page unavailable handler for use in frontend plugins from extensions.
1393 *
1394 * @param string Reason text
1395 * @param string HTTP header to send
1396 * @return void Function exits.
1397 */
1398 function pageUnavailableAndExit($reason='', $header='') {
1399 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling_statheader'];
1400 $this->pageUnavailableHandler($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'], $header, $reason);
1401 exit;
1402 }
1403
1404 /**
1405 * Page-not-found handler for use in frontend plugins from extensions.
1406 *
1407 * @param string Reason text
1408 * @param string HTTP header to send
1409 * @return void Function exits.
1410 */
1411 function pageNotFoundAndExit($reason='', $header='') {
1412 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling_statheader'];
1413 $this->pageNotFoundHandler($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling'], $header, $reason);
1414 exit;
1415 }
1416
1417 /**
1418 * Checks whether the pageUnavailableHandler should be used. To be used, pageUnavailable_handling must be set
1419 * and devIPMask must not match the current visitor's IP address.
1420 *
1421 * @return boolean True/false whether the pageUnavailable_handler should be used.
1422 */
1423 function checkPageUnavailableHandler() {
1424 if($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'] &&
1425 !t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $this->TYPO3_CONF_VARS['SYS']['devIPmask'])) {
1426 $checkPageUnavailableHandler = TRUE;
1427 } else {
1428 $checkPageUnavailableHandler = FALSE;
1429 }
1430
1431 return $checkPageUnavailableHandler;
1432 }
1433
1434 /**
1435 * Page unavailable handler. Acts a wrapper for the pageErrorHandler method.
1436 *
1437 * @param mixed Which type of handling; If a true PHP-boolean or TRUE then a ->printError message is outputted. If integer an error message with that number is shown. Otherwise the $code value is expected to be a "Location:" header value.
1438 * @param string If set, this is passed directly to the PHP function, header()
1439 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1440 * @return void (The function exits!)
1441 */
1442 function pageUnavailableHandler($code, $header, $reason) {
1443 $this->pageErrorHandler($code, $header, $reason);
1444 }
1445
1446 /**
1447 * Page not found handler. Acts a wrapper for the pageErrorHandler method.
1448 *
1449 * @param mixed Which type of handling; If a true PHP-boolean or TRUE then a ->printError message is outputted. If integer an error message with that number is shown. Otherwise the $code value is expected to be a "Location:" header value.
1450 * @param string If set, this is passed directly to the PHP function, header()
1451 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1452 * @return void (The function exits!)
1453 */
1454 function pageNotFoundHandler($code, $header='', $reason='') {
1455 $this->pageErrorHandler($code, $header, $reason);
1456 }
1457
1458 /**
1459 * Generic error page handler.
1460 * Exits.
1461 *
1462 * @param mixed Which type of handling; If a true PHP-boolean or TRUE then a ->printError message is outputted. If integer an error message with that number is shown. Otherwise the $code value is expected to be a "Location:" header value.
1463 * @param string If set, this is passed directly to the PHP function, header()
1464 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1465 * @return void (The function exits!)
1466 */
1467 function pageErrorHandler($code, $header='', $reason='') {
1468
1469 // Issue header in any case:
1470 if ($header) {
1471 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1472 foreach ($headerArr as $header) {
1473 header ($header);
1474 }
1475 }
1476
1477 // Create response:
1478 if (gettype($code)=='boolean' || !strcmp($code,1)) { // Simply boolean; Just shows TYPO3 error page with reason:
1479 $this->printError('The page did not exist or was inaccessible.'.($reason ? ' Reason: '.htmlspecialchars($reason) : ''));
1480 } elseif (t3lib_div::isFirstPartOfStr($code,'USER_FUNCTION:')) {
1481 $funcRef = trim(substr($code,14));
1482 $params = array(
1483 'currentUrl' => t3lib_div::getIndpEnv('REQUEST_URI'),
1484 'reasonText' => $reason,
1485 'pageAccessFailureReasons' => $this->getPageAccessFailureReasons()
1486 );
1487 echo t3lib_div::callUserFunction($funcRef,$params,$this);
1488 } elseif (t3lib_div::isFirstPartOfStr($code,'READFILE:')) {
1489 $readFile = t3lib_div::getFileAbsFileName(trim(substr($code,9)));
1490 if (@is_file($readFile)) {
1491 $fileContent = t3lib_div::getUrl($readFile);
1492 $fileContent = str_replace('###CURRENT_URL###', t3lib_div::getIndpEnv('REQUEST_URI'), $fileContent);
1493 $fileContent = str_replace('###REASON###', htmlspecialchars($reason), $fileContent);
1494 echo $fileContent;
1495 } else {
1496 $this->printError('Configuration Error: 404 page "'.$readFile.'" could not be found.');
1497 }
1498 } elseif (t3lib_div::isFirstPartOfStr($code,'REDIRECT:')) {
1499 header('Location: '.t3lib_div::locationHeaderUrl(substr($code,9)));
1500 exit;
1501 } elseif (strlen($code)) {
1502 // Check if URL is relative
1503 $url_parts = parse_url($code);
1504 if ($url_parts['host'] == '') {
1505 $url_parts['host'] = t3lib_div::getIndpEnv('HTTP_HOST');
1506 $code = t3lib_div::getIndpEnv('TYPO3_REQUEST_HOST') . $code;
1507 $checkBaseTag = false;
1508 } else {
1509 $checkBaseTag = true;
1510 }
1511
1512 // Check recursion
1513 if ($code == t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1514 if ($reason == '') {
1515 $reason = 'Page cannot be found.';
1516 }
1517 $reason.= chr(10) . chr(10) . 'Additionally, ' . $code . ' was not found while trying to retrieve the error document.';
1518 $this->printError('Reason: '.nl2br(htmlspecialchars($reason)));
1519 exit();
1520 }
1521
1522 // Prepare headers
1523 $headerArr = array(
1524 'User-agent: ' . t3lib_div::getIndpEnv('HTTP_USER_AGENT'),
1525 'Referer: ' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')
1526 );
1527 $res = t3lib_div::getURL($code, 1, $headerArr);
1528
1529 // Header and content are separated by an empty line
1530 list($header,$content) = split("\r\n\r\n", $res, 2);
1531 $content.= "\r\n";
1532
1533 if (false === $res) {
1534 // Last chance -- redirect
1535 header('Location: '.t3lib_div::locationHeaderUrl($code));
1536 } else {
1537
1538 $forwardHeaders = array( // Forward these response headers to the client
1539 'Content-Type:',
1540 );
1541 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1542 foreach ($headerArr as $header) {
1543 foreach ($forwardHeaders as $h) {
1544 if (preg_match('/^'.$h.'/', $header)) {
1545 header ($header);
1546 }
1547 }
1548 }
1549 // Put <base> if necesary
1550 if ($checkBaseTag) {
1551
1552 // If content already has <base> tag, we do not need to do anything
1553 if (false === stristr($content, '<base ')) {
1554
1555 // Generate href for base tag
1556 $base = $url_parts['scheme'] . '://';
1557 if ($url_parts['user'] != '') {
1558 $base.= $url_parts['user'];
1559 if ($url_parts['pass'] != '') {
1560 $base.= ':' . $url_parts['pass'];
1561 }
1562 $base.= '@';
1563 }
1564 $base.= $url_parts['host'];
1565
1566 // Add path portion skipping possible file name
1567 $base.= preg_replace('/(.*\/)[^\/]*/', '${1}', $url_parts['path']);
1568
1569 // Put it into content (generate also <head> if necessary)
1570 $replacement = chr(10) . '<base href="' . htmlentities($base) . '" />' . chr(10);
1571 if (stristr($content, '<head>')) {
1572 $content = preg_replace('/(<head>)/i', '\1' . $replacement, $content);
1573 } else {
1574 $content = preg_replace('/(<html[^>]*>)/i', '\1<head>' . $replacement . '</head>', $content);
1575 }
1576 }
1577 }
1578 echo $content; // Output the content
1579 }
1580 } else {
1581 $this->printError($reason ? 'Reason: '.htmlspecialchars($reason) : 'Page cannot be found.');
1582 }
1583 exit();
1584 }
1585
1586 /**
1587 * Fetches the integer page id for a page alias.
1588 * 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 $this->id
1589 *
1590 * @return void
1591 * @access private
1592 */
1593 function checkAndSetAlias() {
1594 if ($this->id && !t3lib_div::testInt($this->id)) {
1595 $aid = $this->sys_page->getPageIdFromAlias($this->id);
1596 if ($aid) {
1597 $this->id = $aid;
1598 } else {
1599 $this->pageNotFound = 4;
1600 }
1601 }
1602 }
1603
1604 /**
1605 * 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 $_GET
1606 * If values for ->cHash, ->no_cache, ->jumpurl and ->MP is found, they are also loaded into the internal vars of this class.
1607 *
1608 * @param string String to analyze
1609 * @return void
1610 * @access private
1611 */
1612 function idPartsAnalyze($str) {
1613 $GET_VARS = '';
1614 switch(substr($str,0,2)) {
1615 case 'B6':
1616 $addParams = base64_decode(str_replace('_','=',str_replace('-','/',substr($str,2))));
1617 parse_str($addParams,$GET_VARS);
1618 break;
1619 case 'M5':
1620 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr(substr($str,2), 'cache_md5params'));
1621 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1622
1623 $this->updateMD5paramsRecord(substr($str,2));
1624 parse_str($row['params'],$GET_VARS);
1625 break;
1626 }
1627
1628 $this->mergingWithGetVars($GET_VARS);
1629 }
1630
1631 /**
1632 * Merging values into the global $_GET
1633 *
1634 * @param array Array of key/value pairs that will be merged into the current GET-vars. (Non-escaped values)
1635 * @return void
1636 */
1637 function mergingWithGetVars($GET_VARS) {
1638 if (is_array($GET_VARS)) {
1639 $realGet = t3lib_div::_GET(); // Getting $_GET var, unescaped.
1640 if (!is_array($realGet)) $realGet = array();
1641
1642 // Merge new values on top:
1643 $realGet = t3lib_div::array_merge_recursive_overrule($realGet,$GET_VARS);
1644
1645 // Write values back to $_GET:
1646 t3lib_div::_GETset($realGet);
1647
1648 // Setting these specifically (like in the init-function):
1649 if (isset($GET_VARS['type'])) $this->type = intval($GET_VARS['type']);
1650 if (isset($GET_VARS['cHash'])) $this->cHash = $GET_VARS['cHash'];
1651 if (isset($GET_VARS['jumpurl'])) $this->jumpurl = $GET_VARS['jumpurl'];
1652 if (isset($GET_VARS['MP'])) $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? $GET_VARS['MP'] : '';
1653
1654 if (isset($GET_VARS['no_cache']) && $GET_VARS['no_cache']) $this->set_no_cache();
1655 }
1656 }
1657
1658 /**
1659 * Looking for a ADMCMD_prev code, looks it up if found and returns configuration data.
1660 * 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.
1661 * The main point is that a special URL valid for a limited time, eg. http://localhost/typo3site/index.php?ADMCMD_prev=035d9bf938bd23cb657735f68a8cedbf will open up for a preview that doesn't require login. Thus it's useful for sending in an email to someone without backend account.
1662 * 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.
1663 *
1664 * @return array Preview configuration array from sys_preview record.
1665 * @see t3lib_BEfunc::compilePreviewKeyword()
1666 */
1667 function ADMCMD_preview(){
1668 $inputCode = t3lib_div::_GP('ADMCMD_prev');
1669
1670 // If no inputcode and a cookie is set, load input code from cookie:
1671 if (!$inputCode && $_COOKIE['ADMCMD_prev']) {
1672 $inputCode = $_COOKIE['ADMCMD_prev'];
1673 }
1674
1675 // If inputcode now, look up the settings:
1676 if ($inputCode) {
1677
1678 if ($inputCode=='LOGOUT') { // "log out":
1679 SetCookie('ADMCMD_prev', '', 0);
1680 if ($this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']) {
1681 if (@is_file(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'])) {
1682 $message = t3lib_div::getUrl(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']);
1683 } else {
1684 $message = '<b>ERROR!</b><br>Template File "'.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'].'" configured with $TYPO3_CONF_VARS["FE"]["workspacePreviewLogoutTemplate"] not found. Please contact webmaster about this problem.';
1685 }
1686 } else {
1687 $message = 'You logged out from Workspace preview mode. Click this link to <a href="%1$s">go back to the website</a>';
1688 }
1689 die(sprintf($message,
1690 htmlspecialchars(ereg_replace('\&?ADMCMD_prev=[[:alnum:]]+','',t3lib_div::_GET('returnUrl')))
1691 ));
1692 }
1693
1694 // Look for keyword configuration record:
1695 list($previewData) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1696 '*',
1697 'sys_preview',
1698 'keyword='.$GLOBALS['TYPO3_DB']->fullQuoteStr($inputCode, 'sys_preview').
1699 ' AND endtime>'.time()
1700 );
1701
1702 // Get: Backend login status, Frontend login status
1703 // - Make sure to remove fe/be cookies (temporarily); BE already done in ADMCMD_preview_postInit()
1704 if (is_array($previewData)) {
1705 if (!count(t3lib_div::_POST())) {
1706 // Unserialize configuration:
1707 $previewConfig = unserialize($previewData['config']);
1708
1709 if ($previewConfig['fullWorkspace']) { // For full workspace preview we only ADD a get variable to set the preview of the workspace - so all other Get vars are accepted. Hope this is not a security problem. Still posting is not allowed and even if a backend user get initialized it shouldn't lead to situations where users can use those credentials.
1710
1711 // Set the workspace preview value:
1712 t3lib_div::_GETset($previewConfig['fullWorkspace'],'ADMCMD_previewWS');
1713
1714 // If ADMCMD_prev is set the $inputCode value cannot come from a cookie and we set that cookie here. Next time it will be found from the cookie if ADMCMD_prev is not set again...
1715 if (t3lib_div::_GP('ADMCMD_prev')) {
1716 SetCookie('ADMCMD_prev', t3lib_div::_GP('ADMCMD_prev'), 0); // Lifetime is 1 hour, does it matter much? Requires the user to click the link from their email again if it expires.
1717 }
1718 return $previewConfig;
1719 } elseif (t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode === t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1720
1721 // Set GET variables:
1722 $GET_VARS = '';
1723 parse_str($previewConfig['getVars'], $GET_VARS);
1724 t3lib_div::_GETset($GET_VARS);
1725
1726 // Return preview keyword configuration:
1727 return $previewConfig;
1728 } else die(htmlspecialchars('Request URL did not match "'.t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode.'"')); // This check is to prevent people from setting additional GET vars via realurl or other URL path based ways of passing parameters.
1729 } else die('POST requests are incompatible with keyword preview.');
1730 } else die('ADMCMD command could not be executed! (No keyword configuration found)');
1731 }
1732 }
1733
1734 /**
1735 * Configuration after initialization of TSFE object.
1736 * Basically this unsets the BE cookie if any and forces the BE user set according to the preview configuration.
1737 *
1738 * @param array Preview configuration, see ADMCMD_preview()
1739 * @return void
1740 * @see ADMCMD_preview(), index_ts.php
1741 */
1742 function ADMCMD_preview_postInit($previewConfig){
1743 if (is_array($previewConfig)) {
1744
1745 // Clear cookies:
1746 unset($_COOKIE['be_typo_user']);
1747 $this->ADMCMD_preview_BEUSER_uid = $previewConfig['BEUSER_uid'];
1748
1749 } else die('Error in preview configuration.');
1750 }
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762 /********************************************
1763 *
1764 * Template and caching related functions.
1765 *
1766 *******************************************/
1767
1768 /**
1769 * 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
1770 *
1771 * @return void
1772 * @see reqCHash()
1773 */
1774 function makeCacheHash() {
1775 $GET = t3lib_div::_GET();
1776 if ($this->cHash && is_array($GET)) {
1777 $this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
1778 $cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));
1779
1780 if ($cHash_calc!=$this->cHash) {
1781 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1782 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
1783 } else {
1784 $this->set_no_cache();
1785 $GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$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);
1786 }
1787 }
1788 }
1789 }
1790
1791 /**
1792 * Will disable caching if the cHash value was not set.
1793 * 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)
1794 *
1795 * @return void
1796 * @see makeCacheHash(), tslib_pibase::pi_cHashCheck()
1797 */
1798 function reqCHash() {
1799 if (!$this->cHash) {
1800 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1801 if ($this->tempContent) { $this->clearPageCacheContent(); }
1802 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash empty)');
1803 } else {
1804 $this->set_no_cache();
1805 $GLOBALS['TT']->setTSlogMessage('TSFE->reqCHash(): No &cHash parameter was sent for GET vars though required so caching is disabled',2);
1806 }
1807 }
1808 }
1809
1810 /**
1811 * Splits the input query-parameters into an array with certain parameters filtered out.
1812 * Used to create the cHash value
1813 *
1814 * @param string Query-parameters: "&xxx=yyy&zzz=uuu"
1815 * @return array Array with key/value pairs of query-parameters WITHOUT a certain list of variable names (like id, type, no_cache etc) and WITH a variable, encryptionKey, specific for this server/installation
1816 * @access private
1817 * @see makeCacheHash(), tslib_cObj::typoLink()
1818 * @obsolete
1819 */
1820 function cHashParams($addQueryParams) {
1821 return t3lib_div::cHashParams($addQueryParams);
1822 }
1823
1824 /**
1825 * Initialize the TypoScript template parser
1826 *
1827 * @return void
1828 */
1829 function initTemplate() {
1830 $this->tmpl = t3lib_div::makeInstance('t3lib_TStemplate');
1831 $this->tmpl->init();
1832 $this->tmpl->tt_track= $this->beUserLogin ? 1 : 0;
1833 }
1834
1835 /**
1836 * See if page is in cache and get it if so
1837 * Stores the page content in $this->content if something is found.
1838 *
1839 * @return void
1840 */
1841 function getFromCache() {
1842 if (!$this->no_cache) {
1843 $cc = $this->tmpl->getCurrentPageData();
1844
1845 if (!is_array($cc)) {
1846 $key = $this->id.'::'.$this->MP;
1847 $isLocked = $this->acquirePageGenerationLock($this->pagesection_lockObj, $key); // Returns true if the lock is active now
1848
1849 if (!$isLocked) {
1850 // Lock is no longer active, the data in "cache_pagesection" is now ready
1851 $cc = $this->tmpl->getCurrentPageData();
1852 if (is_array($cc)) {
1853 $this->releasePageGenerationLock($this->pagesection_lockObj); // Release the lock
1854 }
1855 }
1856 }
1857
1858 if (is_array($cc)) {
1859 // BE CAREFUL 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.
1860 // If this hash is not the same in here in this section and after page-generation, then the page will not be properly cached!
1861 $cc = $this->tmpl->matching($cc); // This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
1862 ksort($cc);
1863
1864 $this->all = $cc;
1865 }
1866 unset($cc);
1867 }
1868
1869 $this->content = ''; // clearing the content-variable, which will hold the pagecontent
1870 unset($this->config); // Unsetting the lowlevel config
1871 $this->cacheContentFlag = 0;
1872
1873 // Look for page in cache only if caching is not disabled and if a shift-reload is not sent to the server.
1874 if (!$this->no_cache && !$this->headerNoCache()) {
1875 $lockHash = $this->getLockHash();
1876
1877 if ($this->all) {
1878 $this->newHash = $this->getHash();
1879
1880 $GLOBALS['TT']->push('Cache Row','');
1881 $row = $this->getFromCache_queryRow();
1882
1883 if (!is_array($row)) {
1884 $isLocked = $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1885
1886 if (!$isLocked) {
1887 // Lock is no longer active, the data in "cache_pages" is now ready
1888 $row = $this->getFromCache_queryRow();
1889 if (is_array($row)) {
1890 $this->releasePageGenerationLock($this->pages_lockObj); // Release the lock
1891 }
1892 }
1893 }
1894
1895 if (is_array($row)) {
1896 // Release this lock
1897 $this->releasePageGenerationLock($this->pages_lockObj);
1898
1899 $this->config = (array)unserialize($row['cache_data']); // Fetches the lowlevel config stored with the cached data
1900 $this->content = $row['HTML']; // Getting the content
1901 $this->tempContent = $row['temp_content']; // Flag for temp content
1902 $this->cacheContentFlag = 1; // Setting flag, so we know, that some cached content has been loaded
1903 $this->cacheExpires = $row['expires'];
1904
1905 if ($this->TYPO3_CONF_VARS['FE']['debug'] || (isset($this->config['config']['debug']) && $this->config['config']['debug'])) {
1906 $dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
1907 $timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
1908
1909 $this->content.= chr(10).'<!-- Cached page generated '.date($dateFormat.' '.$timeFormat, $row['tstamp']).'. Expires '.Date($dateFormat.' '.$timeFormat, $row['expires']).' -->';
1910 }
1911 }
1912 $GLOBALS['TT']->pull();
1913
1914 } else {
1915 $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1916 }
1917 }
1918 }
1919
1920 /**
1921 * Returning the cached version of page with hash = newHash
1922 *
1923 * @return array Cached row, if any. Otherwise void.
1924 */
1925 function getFromCache_queryRow() {
1926 $GLOBALS['TT']->push('Cache Query', '');
1927 $cachedPage = $this->pageCache->load($this->newHash);
1928 $GLOBALS['TT']->pull();
1929
1930 return $cachedPage;
1931 }
1932
1933 /**
1934 * Detecting if shift-reload has been clicked
1935 * Will not be called if re-generation of page happens by other reasons (for instance that the page is not in cache yet!)
1936 * Also, a backend user MUST be logged in for the shift-reload to be detected due to DoS-attack-security reasons.
1937 *
1938 * @return boolean If shift-reload in client browser has been clicked, disable getting cached page (and regenerate it).
1939 */
1940 function headerNoCache() {
1941 $disableAcquireCacheData = FALSE;
1942
1943 if ($this->beUserLogin) {
1944 if (strtolower($_SERVER['HTTP_CACHE_CONTROL'])==='no-cache' || strtolower($_SERVER['HTTP_PRAGMA'])==='no-cache') {
1945 $disableAcquireCacheData = TRUE;
1946 }
1947 }
1948
1949 // Call hook for possible by-pass of requiring of page cache (for recaching purpose)
1950 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'])) {
1951 $_params = array('pObj' => &$this, 'disableAcquireCacheData' => &$disableAcquireCacheData);
1952 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'] as $_funcRef) {
1953 t3lib_div::callUserFunction($_funcRef,$_params,$this);
1954 }
1955 }
1956
1957 return $disableAcquireCacheData;
1958 }
1959
1960 /**
1961 * Calculates the cache-hash
1962 * This hash is unique to the template, the variables ->id, ->type, ->gr_list (list of groups), ->MP (Mount Points) and cHash array
1963 * Used to get and later store the cached data.
1964 *
1965 * @return string MD5 hash of $this->hash_base which is a serialized version of there variables.
1966 * @access private
1967 * @see getFromCache(), getLockHash()
1968 */
1969 function getHash() {
1970 $this->hash_base = serialize(
1971 array(
1972 'all' => $this->all,
1973 'id' => intval($this->id),
1974 'type' => intval($this->type),
1975 'gr_list' => (string)$this->gr_list,
1976 'MP' => (string)$this->MP,
1977 'cHash' => $this->cHash_array
1978 )
1979 );
1980
1981 return md5($this->hash_base);
1982 }
1983
1984 /**
1985 * Calculates the lock-hash
1986 * This hash is unique to the above hash, except that it doesn't contain the template information in $this->all.
1987 *
1988 * @return string MD5 hash
1989 * @access private
1990 * @see getFromCache(), getHash()
1991 */
1992 function getLockHash() {
1993 $lockHash = serialize(
1994 array(
1995 'id' => intval($this->id),
1996 'type' => intval($this->type),
1997 'gr_list' => (string)$this->gr_list,
1998 'MP' => (string)$this->MP,
1999 'cHash' => $this->cHash_array
2000 )
2001 );
2002
2003 return md5($lockHash);
2004 }
2005
2006 /**
2007 * Checks if config-array exists already but if not, gets it
2008 *
2009 * @return void
2010 */
2011 function getConfigArray() {
2012 $setStatPageName = false;
2013
2014 if (!is_array($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
2015 $GLOBALS['TT']->push('Parse template','');
2016
2017 // Force parsing, if set?:
2018 $this->tmpl->forceTemplateParsing = $this->forceTemplateParsing;
2019
2020 // Start parsing the TS template. Might return cached version.
2021 $this->tmpl->start($this->rootLine);
2022 $GLOBALS['TT']->pull();
2023
2024 if ($this->tmpl->loaded) {
2025 $GLOBALS['TT']->push('Setting the config-array','');
2026 // t3lib_div::print_array($this->tmpl->setup);
2027 $this->sPre = $this->tmpl->setup['types.'][$this->type]; // toplevel - objArrayName
2028 $this->pSetup = $this->tmpl->setup[$this->sPre.'.'];
2029
2030 if (!is_array($this->pSetup)) {
2031 if ($this->checkPageUnavailableHandler()) {
2032 $this->pageUnavailableAndExit('The page is not configured! [type= '.$this->type.']['.$this->sPre.']');
2033 } else {
2034 $message = 'The page is not configured! [type= '.$this->type.']['.$this->sPre.']';
2035 header('HTTP/1.0 503 Service Temporarily Unavailable');
2036 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2037 $this->printError($message);
2038 exit;
2039 }
2040 } else {
2041 $this->config['config'] = array();
2042
2043 // Filling the config-array, first with the main "config." part
2044 if (is_array($this->tmpl->setup['config.'])) {
2045 $this->config['config'] = $this->tmpl->setup['config.'];
2046 }
2047 // override it with the page/type-specific "config."
2048 if (is_array($this->pSetup['config.'])) {
2049 $this->config['config'] = t3lib_div::array_merge_recursive_overrule($this->config['config'], $this->pSetup['config.']);
2050 }
2051
2052 // if .simulateStaticDocuments was not present, the default value will rule.
2053 if (!isset($this->config['config']['simulateStaticDocuments'])) {
2054 $this->config['config']['simulateStaticDocuments'] = trim($this->TYPO3_CONF_VARS['FE']['simulateStaticDocuments']);
2055 }
2056 if ($this->config['config']['simulateStaticDocuments']) {
2057 // Set replacement char only if it is needed
2058 $this->setSimulReplacementChar();
2059 }
2060
2061 if ($this->config['config']['typolinkEnableLinksAcrossDomains']) {
2062 $this->config['config']['typolinkCheckRootline'] = true;
2063 }
2064
2065 // Set default values for removeDefaultJS, inlineStyle2TempFile and minifyJS so CSS and JS are externalized/minified if compatversion is higher than 4.0
2066 if (t3lib_div::compat_version('4.0')) {
2067 if (!isset($this->config['config']['removeDefaultJS'])) {
2068 $this->config['config']['removeDefaultJS'] = 'external';
2069 }
2070 if (!isset($this->config['config']['inlineStyle2TempFile'])) {
2071 $this->config['config']['inlineStyle2TempFile'] = 1;
2072 }
2073 if (!isset($this->config['config']['minifyJS'])) {
2074 $this->config['config']['minifyJS'] = 1;
2075 }
2076 }
2077
2078 // Processing for the config_array:
2079 $this->config['rootLine'] = $this->tmpl->rootLine;
2080 $this->config['mainScript'] = trim($this->config['config']['mainScript']) ? trim($this->config['config']['mainScript']) : 'index.php';
2081
2082 // Initialize statistics handling: Check filename and permissions
2083 $setStatPageName = $this->statistics_init();
2084
2085 $this->config['FEData'] = $this->tmpl->setup['FEData'];
2086 $this->config['FEData.'] = $this->tmpl->setup['FEData.'];
2087 }
2088 $GLOBALS['TT']->pull();
2089 } else {
2090 if ($this->checkPageUnavailableHandler()) {
2091 $this->pageUnavailableAndExit('No TypoScript template found!');
2092 } else {
2093 $message = 'No TypoScript template found!';
2094 header('HTTP/1.0 503 Service Temporarily Unavailable');
2095 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2096 $this->printError($message);
2097 exit;
2098 }
2099 }
2100 }
2101
2102 // Initialize charset settings etc.
2103 $this->initLLvars();
2104
2105 // We want nice names, so we need to handle the charset
2106 if ($setStatPageName) {
2107 $this->statistics_init_pagename();
2108 }
2109
2110 // No cache
2111 if ($this->config['config']['no_cache']) { $this->set_no_cache(); } // Set $this->no_cache true if the config.no_cache value is set!
2112
2113 // Check PATH_INFO url
2114 if ($this->absRefPrefix_force && strcmp($this->config['config']['simulateStaticDocuments'],'PATH_INFO')) {
2115 $redirectUrl = t3lib_div::getIndpEnv('TYPO3_REQUEST_DIR').'index.php?id='.$this->id.'&type='.$this->type;
2116 if ($this->config['config']['simulateStaticDocuments_dontRedirectPathInfoError']) {
2117 if ($this->checkPageUnavailableHandler()) {
2118 $this->pageUnavailableAndExit('PATH_INFO was not configured for this website, and the URL tries to find the page by PATH_INFO!');
2119 } else {
2120 $message = 'PATH_INFO was not configured for this website, and the URL tries to find the page by PATH_INFO!';
2121 header('HTTP/1.0 503 Service Temporarily Unavailable');
2122 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2123 $this->printError($message.'<br /><br /><a href="'.htmlspecialchars($redirectUrl).'">Click here to get to the right page.</a>','Error: PATH_INFO not configured');
2124 }
2125 } else {
2126 header('Location: '.t3lib_div::locationHeaderUrl($redirectUrl));
2127 }
2128 exit;
2129 // $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.
2130 }
2131 }
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146 /********************************************
2147 *
2148 * Further initialization and data processing
2149 * (jumpurl/submission of forms)
2150 *
2151 *******************************************/
2152
2153 /**
2154 * Get the compressed $TCA array for use in the front-end
2155 * 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.
2156 * Operates on the global variable, $TCA
2157 *
2158 * @return void
2159 * @see includeTCA()
2160 */
2161 function getCompressedTCarray() {
2162 global $TCA;
2163
2164 $GLOBALS['TT']->push('Get Compressed TC array');
2165 if (!$this->TCAloaded) {
2166 // Create hash string for storage / retrieval of cached content:
2167 $tempHash = md5('tables.php:'.
2168 filemtime(TYPO3_extTableDef_script ? PATH_typo3conf.TYPO3_extTableDef_script : PATH_t3lib.'stddb/tables.php').
2169 (TYPO3_extTableDef_script?filemtime(PATH_typo3conf.TYPO3_extTableDef_script):'').
2170 ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] ? filemtime(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php') : '')
2171 );
2172
2173 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2174 // Try to fetch if cache is enabled
2175 list($TCA, $this->TCAcachedExtras) = unserialize($this->sys_page->getHash($tempHash));
2176 }
2177
2178 // If no result, create it:
2179 if (!is_array($TCA)) {
2180 $this->includeTCA(0);
2181 $newTc = Array();
2182 $this->TCAcachedExtras = array(); // Collects other information
2183
2184 foreach($TCA as $key => $val) {
2185 $newTc[$key]['ctrl'] = $val['ctrl'];
2186 $newTc[$key]['feInterface'] = $val['feInterface'];
2187
2188 // Collect information about localization exclusion of fields:
2189 t3lib_div::loadTCA($key);
2190 if (is_array($TCA[$key]['columns'])) {
2191 $this->TCAcachedExtras[$key]['l10n_mode'] = array();
2192 foreach($TCA[$key]['columns'] as $fN => $fV) {
2193 if ($fV['l10n_mode']) {
2194 $this->TCAcachedExtras[$key]['l10n_mode'][$fN] = $fV['l10n_mode'];
2195 }
2196 }
2197 }
2198 }
2199
2200 $TCA = $newTc;
2201 // Store it in cache if cache is enabled
2202 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2203 $this->sys_page->storeHash($tempHash, serialize(array($newTc,$this->TCAcachedExtras)), 'SHORT_TC');
2204 }
2205 }
2206 }
2207 $GLOBALS['TT']->pull();
2208 }
2209
2210 /**
2211 * Includes TCA definitions from loaded extensions (ext_table.php files).
2212 * Normally in the frontend only a part of the global $TCA array is loaded,
2213 * namely the "ctrl" part. Thus it doesn't take up too much memory. To load
2214 * full TCA for the table, use t3lib_div::loadTCA($tableName) after calling
2215 * this function.
2216 *
2217 * @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 $this->TCAloaded after inclusion and therefore if its false, another inclusion will be possible on the next call. See ->getCompressedTCarray())
2218 * @return void
2219 * @see getCompressedTCarray()
2220 */
2221 function includeTCA($TCAloaded=1) {
2222 global $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS, $TBE_MODULES;
2223 if (!$this->TCAloaded) {
2224 $TCA = Array();
2225 include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
2226 // Extension additions
2227 if ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE']) {
2228 include(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php');
2229 } else {
2230 include(PATH_t3lib.'stddb/load_ext_tables.php');
2231 }
2232 // ext-script
2233 if (TYPO3_extTableDef_script) {
2234 include (PATH_typo3conf.TYPO3_extTableDef_script);
2235 }
2236
2237 $this->TCAloaded = $TCAloaded;
2238 }
2239 }
2240
2241 /**
2242 * Setting the language key that will be used by the current page.
2243 * 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.
2244 *
2245 * @return void
2246 * @access private
2247 */
2248 function settingLanguage() {
2249
2250 // Get values from TypoScript:
2251 $this->sys_language_uid = $this->sys_language_content = intval($this->config['config']['sys_language_uid']);
2252 list($this->sys_language_mode,$sys_language_content) = t3lib_div::trimExplode(';', $this->config['config']['sys_language_mode']);
2253 $this->sys_language_contentOL = $this->config['config']['sys_language_overlay'];
2254
2255 // If sys_language_uid is set to another language than default:
2256 if ($this->sys_language_uid>0) {
2257 // Request the overlay record for the sys_language_uid:
2258 $olRec = $this->sys_page->getPageOverlay($this->id, $this->sys_language_uid);
2259 if (!count($olRec)) {
2260
2261 // If no OL record exists and a foreign language is asked for...
2262 if ($this->sys_language_uid) {
2263
2264 // If requested translation is not available:
2265 if (t3lib_div::hideIfNotTranslated($this->page['l18n_cfg'])) {
2266 $this->pageNotFoundAndExit('Page is not available in the requested language.');
2267 } else {
2268 switch((string)$this->sys_language_mode) {
2269 case 'strict':
2270 $this->pageNotFoundAndExit('Page is not available in the requested language (strict).');
2271 break;
2272 case 'content_fallback':
2273 $fallBackOrder = t3lib_div::intExplode(',', $sys_language_content);
2274 foreach($fallBackOrder as $orderValue) {
2275 if (!strcmp($orderValue,'0') || count($this->sys_page->getPageOverlay($this->id, $orderValue))) {
2276 $this->sys_language_content = $orderValue; // Setting content uid (but leaving the sys_language_uid)
2277 break;
2278 }
2279 }
2280 break;
2281 case 'ignore':
2282 $this->sys_language_content = $this->sys_language_uid;
2283 break;
2284 default:
2285 // Default is that everything defaults to the default language...
2286 $this->sys_language_uid = $this->sys_language_content = 0;
2287 break;
2288 }
2289 }
2290 }
2291 } else {
2292 // Setting sys_language if an overlay record was found (which it is only if a language is used)
2293 $this->page = $this->sys_page->getPageOverlay($this->page, $this->sys_language_uid);
2294 }
2295 }
2296
2297 // Setting sys_language_uid inside sys-page:
2298 $this->sys_page->sys_language_uid = $this->sys_language_uid;
2299
2300 // If default translation is not available:
2301 if ((!$this->sys_language_uid || !$this->sys_language_content) && $this->page['l18n_cfg']&1) {
2302 $message = 'Page is not available in default language.';
2303 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2304 $this->pageNotFoundAndExit($message);
2305 }
2306
2307 // Updating content of the two rootLines IF the language key is set!
2308 if ($this->sys_language_uid && is_array($this->tmpl->rootLine)) {
2309 reset($this->tmpl->rootLine);
2310 while(list($rLk)=each($this->tmpl->rootLine)) {
2311 $this->tmpl->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->tmpl->rootLine[$rLk]);
2312 }
2313 }
2314 if ($this->sys_language_uid && is_array($this->rootLine)) {
2315 reset($this->rootLine);
2316 while(list($rLk)=each($this->rootLine)) {
2317 $this->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->rootLine[$rLk]);
2318 }
2319 }
2320
2321 // Finding the ISO code:
2322 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"
2323 $sys_language_row = $this->sys_page->getRawRecord('sys_language',$this->sys_language_content,'static_lang_isocode');
2324 if (is_array($sys_language_row) && $sys_language_row['static_lang_isocode']) {
2325 $stLrow = $this->sys_page->getRawRecord('static_languages',$sys_language_row['static_lang_isocode'],'lg_iso_2');
2326 $this->sys_language_isocode = $stLrow['lg_iso_2'];
2327 }
2328 }
2329
2330 // Setting softMergeIfNotBlank:
2331 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softMergeIfNotBlank'],1);
2332 foreach($table_fields as $TF) {
2333 list($tN,$fN) = explode(':',$TF);
2334 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'mergeIfNotBlank';
2335 }
2336
2337 // Setting softExclude:
2338 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softExclude'],1);
2339 foreach($table_fields as $TF) {
2340 list($tN,$fN) = explode(':',$TF);
2341 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'exclude';
2342 }
2343 }
2344
2345 /**
2346 * Setting locale for frontend rendering
2347 *
2348 * @return void
2349 */
2350 function settingLocale() {
2351
2352 // Setting locale
2353 if ($this->config['config']['locale_all']) {
2354 # Change by Rene Fritz, 22/10 2002
2355 # 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
2356 # this does not work in php 4.2.3
2357 #setlocale('LC_ALL',$this->config['config']['locale_all']);
2358 #setlocale('LC_NUMERIC','en_US');
2359
2360 # so we set all except LC_NUMERIC
2361 $locale = setlocale(LC_COLLATE, $this->config['config']['locale_all']);
2362 if ($locale) {
2363 setlocale(LC_CTYPE, $this->config['config']['locale_all']);
2364 setlocale(LC_MONETARY, $this->config['config']['locale_all']);
2365 setlocale(LC_TIME, $this->config['config']['locale_all']);
2366
2367 $this->localeCharset = $this->csConvObj->get_locale_charset($this->config['config']['locale_all']);
2368 } else {
2369 $GLOBALS['TT']->setTSlogMessage('Locale "'.htmlspecialchars($this->config['config']['locale_all']).'" not found.', 3);
2370 }
2371 }
2372 }
2373
2374 /**
2375 * Checks if any email-submissions or submission via the fe_tce
2376 *
2377 * @return string "email" if a formmail has been sent, "fe_tce" if front-end data submission (like forums, guestbooks) is sent. "" if none.
2378 */
2379 function checkDataSubmission() {
2380 $ret = '';
2381 $formtype_db = isset($_POST['formtype_db']) || isset($_POST['formtype_db_x']);
2382 $formtype_mail = isset($_POST['formtype_mail']) || isset($_POST['formtype_mail_x']);
2383 if ($formtype_db || $formtype_mail) {
2384 $refInfo = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2385 if (t3lib_div::getIndpEnv('TYPO3_HOST_ONLY')==$refInfo['host'] || $this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2386 if ($this->locDataCheck($_POST['locationData'])) {
2387 if ($formtype_mail) {
2388 $ret = 'email';
2389 } elseif ($formtype_db && is_array($_POST['data'])) {
2390 $ret = 'fe_tce';
2391 }
2392 $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": Return value: '.$ret,0);
2393 return $ret;
2394 }
2395 } else $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": HTTP_HOST and REFERER HOST did not match when processing submitted formdata!',3);
2396 }
2397
2398 // Hook for processing data submission to extensions:
2399 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'])) {
2400 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] as $_classRef) {
2401 $_procObj = &t3lib_div::getUserObj($_classRef);
2402 $_procObj->checkDataSubmission($this);
2403 }
2404 }
2405 return $ret;
2406 }
2407
2408 /**
2409 * Processes submitted user data (obsolete "Frontend TCE")
2410 *
2411 * @return void
2412 * @see tslib_feTCE
2413 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=342&cHash=fdf55adb3b
2414 */
2415 function fe_tce() {
2416 $fe_tce = t3lib_div::makeInstance('tslib_feTCE');
2417 $fe_tce->start(t3lib_div::_POST('data'),$this->config['FEData.']);
2418 $fe_tce->includeScripts();
2419 }
2420
2421 /**
2422 * Checks if a formmail submission can be sent as email
2423 *
2424 * @param string The input from $_POST['locationData']
2425 * @return void
2426 * @access private
2427 * @see checkDataSubmission()
2428 */
2429 function locDataCheck($locationData) {
2430 $locData = explode(':',$locationData);
2431 if (!$locData[1] || $this->sys_page->checkRecord($locData[1],$locData[2],1)) {
2432 if (count($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.
2433 return 1;
2434 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: The page pointed to by location data ('.$locationData.') was not accessible.',2);
2435 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: Location data ('.$locationData.') record pointed to was not accessible.',2);
2436 }
2437
2438 /**
2439 * Sends the emails from the formmail content object.
2440 *
2441 * @return void
2442 * @access private
2443 * @see checkDataSubmission()
2444 */
2445 function sendFormmail() {
2446 $formmail = t3lib_div::makeInstance('t3lib_formmail');
2447
2448 $EMAIL_VARS = t3lib_div::_POST();
2449 $locationData = $EMAIL_VARS['locationData'];
2450 unset($EMAIL_VARS['locationData']);
2451 unset($EMAIL_VARS['formtype_mail'], $EMAIL_VARS['formtype_mail_x'], $EMAIL_VARS['formtype_mail_y']);
2452
2453 $integrityCheck = $this->TYPO3_CONF_VARS['FE']['strictFormmail'];
2454
2455 if (!$this->TYPO3_CONF_VARS['FE']['secureFormmail']) {
2456 // Check recipient field:
2457 $encodedFields = explode(',','recipient,recipient_copy'); // These two fields are the ones which contain recipient addresses that can be misused to send mail from foreign servers.
2458 foreach ($encodedFields as $fieldKey) {
2459 if (strlen($EMAIL_VARS[$fieldKey])) {
2460 if ($res = $this->codeString($EMAIL_VARS[$fieldKey], TRUE)) { // Decode...
2461 $EMAIL_VARS[$fieldKey] = $res; // Set value if OK
2462 } elseif ($integrityCheck) { // Otherwise abort:
2463 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. Sending formmail aborted due to security reasons!',3);
2464 return false;
2465 } else {
2466 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. The security level accepts this, but you should consider a correct coding though!',2);
2467 }
2468 }
2469 }
2470 } else {
2471 $locData = explode(':',$locationData);
2472 $record = $this->sys_page->checkRecord($locData[1],$locData[2],1);
2473 $EMAIL_VARS['recipient'] = $record['subheader'];
2474 $EMAIL_VARS['recipient_copy'] = $this->extractRecipientCopy($record['bodytext']);
2475 }
2476
2477 // Hook for preprocessing of the content for formmails:
2478 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'])) {
2479 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'] as $_classRef) {
2480 $_procObj = &t3lib_div::getUserObj($_classRef);
2481 $EMAIL_VARS = $_procObj->sendFormmail_preProcessVariables($EMAIL_VARS,$this);
2482 }
2483 }
2484
2485 $formmail->start($EMAIL_VARS);
2486 $formmail->sendtheMail();
2487 $GLOBALS['TT']->setTSlogMessage('"Formmail" invoked, sending mail to '.$EMAIL_VARS['recipient'],0);
2488 }
2489
2490 /**
2491 * Extracts the value of recipient copy field from a formmail CE bodytext
2492 *
2493 * @param string $bodytext The content of the related bodytext field
2494 * @return string The value of the recipient_copy field, or an empty string
2495 */
2496 function extractRecipientCopy($bodytext) {
2497 $recipient_copy = '';
2498 $fdef = array();
2499 //|recipient_copy=hidden|karsten@localhost.localdomain
2500 preg_match('/^[\s]*\|[\s]*recipient_copy[\s]*=[\s]*hidden[\s]*\|(.*)$/m', $bodytext, $fdef);
2501 $recipient_copy = (!empty($fdef[1])) ? $fdef[1] : '';
2502 return $recipient_copy;
2503 }
2504
2505 /**
2506 * Sets the jumpurl for page type "External URL"
2507 *
2508 * @return void
2509 */
2510 function setExternalJumpUrl() {
2511 if ($extUrl = $this->sys_page->getExtURL($this->page, $this->config['config']['disablePageExternalUrl'])) {
2512 $this->jumpurl = $extUrl;
2513 }
2514 }
2515
2516 /**
2517 * Check the jumpUrl referer if required
2518 *
2519 * @return void
2520 */
2521 function checkJumpUrlReferer() {
2522 if (strlen($this->jumpurl) && !$this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2523 $referer = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2524 if (isset($referer['host']) && !($referer['host'] == t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'))) {
2525 unset($this->jumpurl);
2526 }
2527 }
2528 }
2529
2530 /**
2531 * Sends a header "Location" to jumpUrl, if jumpurl is set.
2532 * Will exit if a location header is sent (for instance if jumpUrl was triggered)
2533 *
2534 * "jumpUrl" is a concept where external links are redirected from the index_ts.php script, which first logs the URL.
2535 * This feature is only interesting if config.sys_stat is used.
2536 *
2537 * @return void
2538 */
2539 function jumpUrl() {
2540 if ($this->jumpurl) {
2541 if (t3lib_div::_GP('juSecure')) {
2542 $hArr = array(
2543 $this->jumpurl,
2544 t3lib_div::_GP('locationData'),
2545 $this->TYPO3_CONF_VARS['SYS']['encryptionKey']
2546 );
2547 $calcJuHash=t3lib_div::shortMD5(serialize($hArr));
2548 $locationData = t3lib_div::_GP('locationData');
2549 $juHash = t3lib_div::_GP('juHash');
2550 if ($juHash == $calcJuHash) {
2551 if ($this->locDataCheck($locationData)) {
2552 $this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
2553 if (@is_file($this->jumpurl)) {
2554 $mimeType = t3lib_div::_GP('mimeType');
2555 $mimeType = $mimeType ? $mimeType : 'application/octet-stream';
2556 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
2557 header('Content-Type: '.$mimeType);
2558 header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
2559 readfile($this->jumpurl);
2560 exit;
2561 } else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
2562 } else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
2563 } else die('jumpurl Secure: Calculated juHash, '.$calcJuHash.', did not match the submitted juHash.');
2564 } else {
2565 $TSConf = $this->getPagesTSconfig();
2566 if ($TSConf['TSFE.']['jumpUrl_transferSession']) {
2567 $uParts = parse_url($this->jumpurl);
2568 $params = '&FE_SESSION_KEY='.rawurlencode($this->fe_user->id.'-'.md5($this->fe_user->id.'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']));
2569 $this->jumpurl.= ($uParts['query']?'':'?').$params; // Add the session parameter ...
2570 }
2571 header('Location: '.$this->jumpurl);
2572 exit;
2573 }
2574 }
2575 }
2576
2577 /**
2578 * Sets the URL_ID_TOKEN in the internal var, $this->getMethodUrlIdToken
2579 * This feature allows sessions to use a GET-parameter instead of a cookie.
2580 *
2581 * @return void
2582 * @access private
2583 */
2584 function setUrlIdToken() {
2585 if ($this->config['config']['ftu']) {
2586 $this->getMethodUrlIdToken = $this->TYPO3_CONF_VARS['FE']['get_url_id_token'];
2587 } else {
2588 $this->getMethodUrlIdToken = '';
2589 }
2590 }
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614 /********************************************
2615 *
2616 * Page generation; cache handling
2617 *
2618 *******************************************/
2619
2620 /**
2621 * Returns true if the page should be generated
2622 * That is if jumpurl is not set and the cacheContentFlag is not set.
2623 *
2624 * @return boolean
2625 */
2626 function isGeneratePage() {
2627 return (!$this->cacheContentFlag && !$this->jumpurl);
2628 }
2629
2630 /**
2631 * Temp cache content
2632 * 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.
2633 *
2634 * @return void
2635 */
2636 function tempPageCacheContent() {
2637 $this->tempContent = false;
2638
2639 if (!$this->no_cache) {
2640 $seconds = 30;
2641 $title = htmlspecialchars($this->tmpl->printTitle($this->page['title']));
2642 $request_uri = htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI'));
2643
2644 $stdMsg = '
2645 <strong>Page is being generated.</strong><br />
2646 If this message does not disappear within '.$seconds.' seconds, please reload.';
2647
2648 $message = $this->config['config']['message_page_is_being_generated'];
2649 if (strcmp('', $message)) {
2650 $message = $this->csConvObj->utf8_encode($message,$this->renderCharset); // This page is always encoded as UTF-8
2651 $message = str_replace('###TITLE###', $title, $message);
2652 $message = str_replace('###REQUEST_URI###', $request_uri, $message);
2653 } else $message = $stdMsg;
2654
2655 $temp_content = '<?xml version="1.0" encoding="UTF-8"?>
2656 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2657 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2658 <html xmlns="http://www.w3.org/1999/xhtml">
2659 <head>
2660 <title>'.$title.'</title>
2661 <meta http-equiv="refresh" content="10" />
2662 </head>
2663 <body style="background-color:white; font-family:Verdana,Arial,Helvetica,sans-serif; color:#cccccc; text-align:center;">'.
2664 $message.'
2665 </body>
2666 </html>';
2667
2668 // Fix 'nice errors' feature in modern browsers
2669 $padSuffix = '<!--pad-->'; // prevent any trims
2670 $padSize = 768 - strlen($padSuffix) - strlen($temp_content);
2671 if ($padSize > 0) {
2672 $temp_content = str_pad($temp_content, $padSize, "\n") . $padSuffix;
2673 }
2674
2675 if (!$this->headerNoCache() && $cachedRow = $this->getFromCache_queryRow()) {
2676 // 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.
2677 // This is either the "Page is being generated" screen or it can be the final result.
2678 // In any case we should not begin another rendering process also, so we silently disable caching and render the page ourselves and thats it.
2679 // 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...
2680 $this->set_no_cache();
2681 } else {
2682 $this->tempContent = TRUE; // This flag shows that temporary content is put in the cache
2683 $this->setPageCacheContent($temp_content, $this->config, $GLOBALS['EXEC_TIME']+$seconds);
2684 }
2685 }
2686 }
2687
2688 /**
2689 * Set cache content to $this->content
2690 *
2691 * @return void
2692 */
2693 function realPageCacheContent() {
2694 $cache_timeout = $this->get_cache_timeout(); // seconds until a cached page is too old
2695 $timeOutTime = $GLOBALS['EXEC_TIME']+$cache_timeout;
2696 if ($this->config['config']['cache_clearAtMidnight']) {
2697 $midnightTime = mktime (0,0,0,date('m',$timeOutTime),date('d',$timeOutTime),date('Y',$timeOutTime));
2698 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.
2699 $timeOutTime = $midnightTime;
2700 }
2701 }
2702 $this->tempContent = false;
2703 $this->setPageCacheContent($this->content, $this->config, $timeOutTime);
2704
2705 // Hook for cache post processing (eg. writing static files!)
2706 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'])) {
2707 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'] as $_classRef) {
2708 $_procObj = &t3lib_div::getUserObj($_classRef);
2709 $_procObj->insertPageIncache($this,$timeOutTime);
2710 }
2711 }
2712 }
2713
2714 /**
2715 * Sets cache content; Inserts the content string into the cache_pages cache.
2716 *
2717 * @param string The content to store in the HTML field of the cache table
2718 * @param mixed The additional cache_data array, fx. $this->config
2719 * @param integer Expiration timestamp
2720 * @return void
2721 * @see realPageCacheContent(), tempPageCacheContent()
2722 */
2723 function setPageCacheContent($content, $data, $expirationTstamp) {
2724 $this->clearPageCacheContent();
2725
2726 $cacheData = array(
2727 'hash' => $this->newHash,
2728 'page_id' => $this->id,
2729 'HTML' => $content,
2730 'temp_content' => $this->tempContent,
2731 'cache_data' => serialize($data),
2732 'expires' => $expirationTstamp,
2733 'tstamp' => $GLOBALS['EXEC_TIME']
2734 );
2735
2736 $this->cacheExpires = $expirationTstamp;
2737
2738 $this->pageCacheTags[] = 'pageId_' . $cacheData['page_id'];
2739
2740 if ($this->page_cache_reg1) {
2741 $reg1 = intval($this->page_cache_reg1);
2742
2743 $cacheData['reg1'] = $reg1;
2744 $this->pageCacheTags[] = 'reg1_' . $reg1;
2745 }
2746
2747 $this->pageCache->save(
2748 $cacheData['hash'],
2749 $cacheData,
2750 $this->pageCacheTags,
2751 $cacheData['expires'] - $GLOBALS['EXEC_TIME']
2752 );
2753 }
2754
2755 /**
2756 * Clears cache content (for $this->newHash)
2757 *
2758 * @return void
2759 */
2760 function clearPageCacheContent() {
2761 $this->pageCache->remove($this->newHash);
2762 }
2763
2764 /**
2765 * Clears cache content for a list of page ids
2766 *
2767 * @param string A list of INTEGER numbers which points to page uids for which to clear entries in the cache_pages cache (page content cache)
2768 * @return void
2769 */
2770 function clearPageCacheContent_pidList($pidList) {
2771 $pageIds = t3lib_div::trimExplode(',', $pidList);
2772
2773 foreach ($pageIds as $pageId) {
2774 $this->pageCache->flushByTag('pageId_' . (int) $pageId);
2775 }
2776 }
2777
2778 /**
2779 * Sets sys last changed
2780 * Setting the SYS_LASTCHANGED value in the pagerecord: This value will thus be set to the highest tstamp of records rendered on the page. This includes all records with no regard to hidden records, userprotection and so on.
2781 *
2782 * @return void
2783 * @see tslib_cObj::lastChanged()
2784 */
2785 function setSysLastChanged() {
2786 if ($this->page['SYS_LASTCHANGED'] < intval($this->register['SYS_LASTCHANGED'])) {
2787 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='.intval($this->id), array('SYS_LASTCHANGED' => intval($this->register['SYS_LASTCHANGED'])));
2788 }
2789 }
2790
2791 /**
2792 * Lock the page generation process
2793 * The lock is used to queue page requests until this page is successfully stored in the cache.
2794 *
2795 * @param t3lib_lock Reference to a locking object
2796 * @param string String to identify the lock in the system
2797 * @return boolean Returns true if the lock could be obtained, false otherwise (= process had to wait for existing lock to be released)
2798 * @see releasePageGenerationLock()
2799 */
2800 function acquirePageGenerationLock(&$lockObj, $key) {
2801 if ($this->no_cache || $this->headerNoCache()) {
2802 t3lib_div::sysLog('Locking: Page is not cached, no locking required', 'cms', t3lib_div::SYSLOG_SEVERITY_INFO);
2803 return true; // No locking is needed if caching is disabled
2804 }
2805
2806 try {
2807 if (!is_object($lockObj)) {
2808 $className = t3lib_div::makeInstanceClassName('t3lib_lock');
2809 $lockObj = new $className($key, $this->TYPO3_CONF_VARS['SYS']['lockingMode']);
2810 }
2811
2812 $success = false;
2813 if (strlen($key)) {
2814 // true = Page could get locked without blocking
2815 // false = Page could get locked but process was blocked before
2816 $success = $lockObj->acquire();
2817 if ($lockObj->getLockStatus()) {
2818 $lockObj->sysLog('Acquired lock');
2819 }
2820 }
2821 } catch (Exception $e) {
2822 t3lib_div::sysLog('Locking: Failed to acquire lock: '.$e->getMessage(), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2823 $success = false; // If locking fails, return with false and continue without locking
2824 }
2825
2826 return $success;
2827 }
2828
2829 /**
2830 * Release the page generation lock
2831 *
2832 * @param t3lib_lock Reference to a locking object
2833 * @return boolean Returns true on success, false otherwise
2834 * @see acquirePageGenerationLock()
2835 */
2836 function releasePageGenerationLock(&$lockObj) {
2837 $success = false;
2838 // If lock object is set and was acquired (may also happen if no_cache was enabled during runtime), release it:
2839 if (is_object($lockObj) && $lockObj instanceof t3lib_lock && $lockObj->getLockStatus()) {
2840 $success = $lockObj->release();
2841 $lockObj->sysLog('Released lock');
2842 $lockObj = null;
2843 // Otherwise, if caching is disabled, no locking is required:
2844 } elseif ($this->no_cache || $this->headerNoCache()) {
2845 $success = true;
2846 }
2847 return $success;
2848 }
2849
2850 /**
2851 * adds tags to this page's cache entry, you can then f.e. remove cache
2852 * entries by tag
2853 *
2854 * @param array an array of tag
2855 * @return void
2856 */
2857 public function addCacheTags(array $tags) {
2858 $this->pageCacheTags = array_merge($this->pageCacheTags, $tags);
2859 }
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880 /********************************************
2881 *
2882 * Page generation; rendering and inclusion
2883 *
2884 *******************************************/
2885
2886 /**
2887 * Does some processing BEFORE the pagegen script is included.
2888 *
2889 * @return void
2890 */
2891 function generatePage_preProcessing() {
2892 $this->newHash = $this->getHash(); // Same codeline as in getFromCache(). But $this->all has been changed by t3lib_TStemplate::start() in the meantime, so this must be called again!
2893 $this->config['hash_base'] = $this->hash_base; // For cache management informational purposes.
2894
2895 if (!is_object($this->pages_lockObj) || $this->pages_lockObj->getLockStatus()==false) {
2896 // 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.
2897 $this->tempPageCacheContent();
2898 }
2899
2900 // Setting cache_timeout_default. May be overridden by PHP include scritps.
2901 $this->cacheTimeOutDefault = intval($this->config['config']['cache_period']);
2902
2903 // page is generated
2904 $this->no_cacheBeforePageGen = $this->no_cache;
2905 }
2906
2907 /**
2908 * Determines to include custom or pagegen.php script
2909 * returns script-filename if a TypoScript (config) script is defined and should be include instead of pagegen.php
2910 *
2911 * @return string The relative filepath of "config.pageGenScript" if found and allowed
2912 */
2913 function generatePage_whichScript() {
2914 if (!$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude'] && $this->config['config']['pageGenScript']) {
2915 return $this->tmpl->getFileName($this->config['config']['pageGenScript']);
2916 }
2917 }
2918
2919 /**
2920 * Does some processing AFTER the pagegen script is included.
2921 * This includes calling tidy (if configured), XHTML cleaning (if configured), caching the page, indexing the page (if configured) and setting sysLastChanged
2922 *
2923 * @return void
2924 */
2925 function generatePage_postProcessing() {
2926 // 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.
2927 if ($this->no_cacheBeforePageGen) $this->set_no_cache();
2928
2929 // Tidy up the code, if flag...
2930 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'all') {
2931 $GLOBALS['TT']->push('Tidy, all','');
2932 $this->content = $this->tidyHTML($this->content);
2933 $GLOBALS['TT']->pull();
2934 }
2935
2936 // XHTML-clean the code, if flag set
2937 if ($this->doXHTML_cleaning() == 'all') {
2938 $GLOBALS['TT']->push('XHTML clean, all','');
2939 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2940 $this->content = $XHTML_clean->XHTML_clean($this->content);
2941 $GLOBALS['TT']->pull();
2942 }
2943
2944 // Fix local anchors in links, if flag set
2945 if ($this->doLocalAnchorFix() == 'all') {
2946 $GLOBALS['TT']->push('Local anchor fix, all','');
2947 $this->prefixLocalAnchorsWithScript();
2948 $GLOBALS['TT']->pull();
2949 }
2950
2951 // Hook for post-processing of page content cached/non-cached:
2952 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'])) {
2953 $_params = array('pObj' => &$this);
2954 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'] as $_funcRef) {
2955 t3lib_div::callUserFunction($_funcRef,$_params,$this);
2956 }
2957 }
2958
2959 // Processing if caching is enabled:
2960 if (!$this->no_cache) {
2961 // Tidy up the code, if flag...
2962 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'cached') {
2963 $GLOBALS['TT']->push('Tidy, cached','');
2964 $this->content = $this->tidyHTML($this->content);
2965 $GLOBALS['TT']->pull();
2966 }
2967 // XHTML-clean the code, if flag set
2968 if ($this->doXHTML_cleaning() == 'cached') {
2969 $GLOBALS['TT']->push('XHTML clean, cached','');
2970 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2971 $this->content = $XHTML_clean->XHTML_clean($this->content);
2972 $GLOBALS['TT']->pull();
2973 }
2974 // Fix local anchors in links, if flag set
2975 if ($this->doLocalAnchorFix() == 'cached') {
2976 $GLOBALS['TT']->push('Local anchor fix, cached','');
2977 $this->prefixLocalAnchorsWithScript();
2978 $GLOBALS['TT']->pull();
2979 }
2980
2981