removed an unneccesary function_exists() call as the function in question is availabl...
[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');
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
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 $fileTarget=''; // Default file link target
324 var $MP_defaults=array(); // Keys are page ids and values are default &MP (mount point) values to set when using the linking features...)
325 var $spamProtectEmailAddresses=0; // If set, typolink() function encrypts email addresses. Is set in pagegen-class.
326 var $absRefPrefix=''; // Absolute Reference prefix
327 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 '/'
328 var $compensateFieldWidth=''; // Factor for form-field widths compensation
329 var $lockFilePath=''; // Lock file path
330 var $ATagParams=''; // <A>-tag parameters
331 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.
332 var $sWordList=''; // Is set to the incoming array sword_list in case of a page-view jumped to from a search-result.
333 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.
334 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.
335 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.
336 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.
337 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)
338 var $sys_language_mode=''; // Site language mode for content fall back.
339 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)
340 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...]
341 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")
342
343 // RENDERING data
344 var $applicationData=Array(); // 'Global' Storage for various applications. Keys should be 'tx_'.extKey for extensions.
345 var $register=Array();
346 var $registerStack=Array(); // Stack used for storing array and retrieving register arrays (see LOAD_REGISTER and CLEAR_REGISTER)
347 var $cObjectDepthCounter = 50; // Checking that the function is not called eternally. This is done by interrupting at a depth of 50
348 var $recordRegister = Array(); // used by cObj->RECORDS and cObj->CONTENT to ensure the a records is NOT rendered twice through it!
349 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
350 var $accessKey =array(); // Used by class tslib_menu to keep track of access-keys.
351 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.
352 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
353 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()
354 var $uniqueString='';
355 var $indexedDocTitle=''; // This value will be used as the title for the page in the indexer (if indexing happens)
356 var $altPageTitle=''; // Alternative page title (normally the title of the page record). Can be set from applications you make.
357 var $pEncAllowedParamNames=array(); // An array that holds parameter names (keys) of GET parameters which MAY be MD5/base64 encoded with simulate_static_documents method. @deprecated since TYPO3 4.3, remove in TYPO3 4.5
358 var $baseUrl=''; // The base URL set for the page header.
359 var $anchorPrefix=''; // The proper anchor prefix needed when using speaking urls. (only set if baseUrl is set)
360
361 /**
362 * Page content render object
363 *
364 * @var tslib_cObj
365 */
366 var $cObj ='';
367
368 // CONTENT accumulation
369 var $content=''; // All page content is accumulated in this variable. See pagegen.php
370
371 // GENERAL
372 var $clientInfo=''; // Set to the browser: net / msie if 4+ browsers
373 var $scriptParseTime=0;
374 var $TCAloaded = 0; // Set ONLY if the full TCA is loaded
375
376 // Character set (charset) conversion object:
377
378 /**
379 * charset conversion class. May be used by any application.
380 *
381 * @var t3lib_cs
382 */
383 var $csConvObj;
384 var $defaultCharSet = 'iso-8859-1'; // The default charset used in the frontend if nothing else is set.
385 var $renderCharset=''; // Internal charset of the frontend during rendering: Defaults to "forceCharset" and if that is not set, to ->defaultCharSet
386 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.
387 var $localeCharset=''; // Assumed charset of locale strings.
388
389 // LANG:
390 var $lang=''; // Set to the system language key (used on the site)
391 var $langSplitIndex=0; // Set to the index number of the language key
392 var $LL_labels_cache=array();
393 var $LL_files_cache=array();
394
395 /**
396 * Locking object
397 *
398 * @var t3lib_lock
399 */
400 var $pagesection_lockObj; // Locking object for accessing "cache_pagesection"
401
402 /**
403 * Locking object
404 *
405 * @var t3lib_lock
406 */
407 var $pages_lockObj; // Locking object for accessing "cache_pages"
408
409 /**
410 * the page cache object, use this to save pages to the cache and to
411 * retrieve them again
412 *
413 * @var t3lib_cache_AbstractBackend
414 */
415 protected $pageCache;
416 protected $pageCacheTags = array();
417
418
419 /**
420 * Class constructor
421 * Takes a number of GET/POST input variable as arguments and stores them internally.
422 * The processing of these variables goes on later in this class.
423 * Also sets internal clientInfo array (browser information) and a unique string (->uniqueString) for this script instance; A md5 hash of the microtime()
424 *
425 * @param array The global $TYPO3_CONF_VARS array. Will be set internally in ->TYPO3_CONF_VARS
426 * @param mixed The value of t3lib_div::_GP('id')
427 * @param integer The value of t3lib_div::_GP('type')
428 * @param boolean The value of t3lib_div::_GP('no_cache'), evaluated to 1/0
429 * @param string The value of t3lib_div::_GP('cHash')
430 * @param string The value of t3lib_div::_GP('jumpurl')
431 * @param string The value of t3lib_div::_GP('MP')
432 * @param string The value of t3lib_div::_GP('RDCT')
433 * @return void
434 * @see index_ts.php
435 */
436 function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='') {
437
438 // Setting some variables:
439 $this->TYPO3_CONF_VARS = $TYPO3_CONF_VARS;
440 $this->id = $id;
441 $this->type = $type;
442 if ($no_cache) {
443 if ($this->TYPO3_CONF_VARS['FE']['disableNoCacheParameter']) {
444 $warning = '&no_cache=1 has been ignored because $TYPO3_CONF_VARS[\'FE\'][\'disableNoCacheParameter\'] is set!';
445 $GLOBALS['TT']->setTSlogMessage($warning,2);
446 } else {
447 $warning = '&no_cache=1 has been supplied, so caching is disabled! URL: "'.t3lib_div::getIndpEnv('TYPO3_REQUEST_URL').'"';
448 $this->no_cache = $no_cache ? 1 : 0;
449 }
450 t3lib_div::sysLog($warning, 'cms', 2);
451 }
452 $this->cHash = $cHash;
453 $this->jumpurl = $jumpurl;
454 $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? (string)$MP : '';
455 $this->RDCT = $RDCT;
456 $this->clientInfo = t3lib_div::clientInfo();
457 $this->uniqueString=md5(microtime());
458
459 $this->csConvObj = t3lib_div::makeInstance('t3lib_cs');
460
461 // Call post processing function for constructor:
462 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'])) {
463 $_params = array('pObj' => &$this);
464 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'] as $_funcRef) {
465 t3lib_div::callUserFunction($_funcRef,$_params,$this);
466 }
467 }
468 }
469
470 /**
471 * Connect to MySQL database
472 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
473 * Use connectToDB() instead!
474 *
475 * @return void
476 * @deprecated since TYPO3 3.8
477 */
478 function connectToMySQL() {
479 $this->connectToDB();
480 }
481
482 /**
483 * Connect to SQL database
484 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
485 *
486 * @return void
487 */
488 function connectToDB() {
489 if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
490 if (!TYPO3_db) {
491 $this->printError('No database selected','Database Error');
492 // Redirects to the Install Tool:
493 echo '<script type="text/javascript">
494 /*<![CDATA[*/
495 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
496 /*]]>*/
497 </script>';
498 exit;
499 } elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db)) {
500 if ($this->checkPageUnavailableHandler()) {
501 $this->pageUnavailableAndExit('Cannot connect to the current database, "'.TYPO3_db.'"');
502 } else {
503 $message = 'Cannot connect to the current database, "'.TYPO3_db.'"';
504 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
505 header('HTTP/1.0 503 Service Temporarily Unavailable');
506 $this->printError($message, 'Database Error');
507 exit;
508 }
509 }
510 } else {
511 if (!TYPO3_db) {
512 // Redirects to the Install Tool:
513 echo '<script type="text/javascript">
514 /*<![CDATA[*/
515 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
516 /*]]>*/
517 </script>';
518 exit;
519 }
520
521 if ($this->checkPageUnavailableHandler()) {
522 $this->pageUnavailableAndExit('The current username, password or host was not accepted when the connection to the database was attempted to be established!');
523 } else {
524 $message = 'The current username, password or host was not accepted when the connection to the database was attempted to be established!';
525 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
526 header('HTTP/1.0 503 Service Temporarily Unavailable');
527 $this->printError($message, 'Database Error');
528 exit;
529 }
530 }
531
532
533 // Call post processing function for DB connection:
534 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
535 $_params = array('pObj' => &$this);
536 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
537 t3lib_div::callUserFunction($_funcRef,$_params,$this);
538 }
539 }
540 }
541
542 /**
543 * 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
544 * May exit after sending a location-header.
545 *
546 * @return void
547 */
548 function sendRedirect() {
549 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->RDCT, 'cache_md5params'));
550 if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
551 $this->updateMD5paramsRecord($this->RDCT);
552 header('Location: '.$row['params']);
553 exit;
554 }
555 }
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574 /********************************************
575 *
576 * Initializing, resolving page id
577 *
578 ********************************************/
579
580
581 /**
582 * Initializes the caching system.
583 *
584 * @return void
585 */
586 public function initCaches() {
587 try {
588 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
589 'cache_pages'
590 );
591 } catch(t3lib_cache_exception_NoSuchCache $e) {
592 t3lib_cache::initPageCache();
593
594 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
595 'cache_pages'
596 );
597 }
598
599 t3lib_cache::initPageSectionCache();
600 t3lib_cache::initContentHashCache();
601 }
602
603 /**
604 * Initializes the front-end login user.
605 *
606 * @return void
607 */
608 function initFEuser() {
609 $this->fe_user = t3lib_div::makeInstance('tslib_feUserAuth');
610
611 $this->fe_user->lockIP = $this->TYPO3_CONF_VARS['FE']['lockIP'];
612 $this->fe_user->lockHashKeyWords = $this->TYPO3_CONF_VARS['FE']['lockHashKeyWords'];
613 $this->fe_user->checkPid = $this->TYPO3_CONF_VARS['FE']['checkFeUserPid'];
614 $this->fe_user->lifetime = intval($this->TYPO3_CONF_VARS['FE']['lifetime']);
615 $this->fe_user->checkPid_value = $GLOBALS['TYPO3_DB']->cleanIntList(t3lib_div::_GP('pid')); // List of pid's acceptable
616
617 // Check if a session is transferred:
618 if (t3lib_div::_GP('FE_SESSION_KEY')) {
619 $fe_sParts = explode('-',t3lib_div::_GP('FE_SESSION_KEY'));
620 if (!strcmp(md5($fe_sParts[0].'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']), $fe_sParts[1])) { // If the session key hash check is OK:
621 $_COOKIE[$this->fe_user->name] = $fe_sParts[0];
622 $this->fe_user->forceSetCookie = 1;
623 }
624 }
625
626 if ($this->TYPO3_CONF_VARS['FE']['dontSetCookie']) {
627 $this->fe_user->dontSetCookie=1;
628 }
629
630 $this->fe_user->start();
631 $this->fe_user->unpack_uc('');
632 $this->fe_user->fetchSessionData(); // Gets session data
633 $recs = t3lib_div::_GP('recs');
634 if (is_array($recs)) { // If any record registration is submitted, register the record.
635 $this->fe_user->record_registration($recs, $this->TYPO3_CONF_VARS['FE']['maxSessionDataSize']);
636 }
637
638 // Call hook for possible manipulation of frontend user object
639 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'])) {
640 $_params = array('pObj' => &$this);
641 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'] as $_funcRef) {
642 t3lib_div::callUserFunction($_funcRef,$_params,$this);
643 }
644 }
645
646 // For every 60 seconds the is_online timestamp is updated.
647 if (is_array($this->fe_user->user) && $this->fe_user->user['uid'] && $this->fe_user->user['is_online']<($GLOBALS['EXEC_TIME']-60)) {
648 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('fe_users', 'uid='.intval($this->fe_user->user['uid']), array('is_online' => $GLOBALS['EXEC_TIME']));
649 }
650 }
651
652 /**
653 * Initializes the front-end user groups.
654 * Sets ->loginUser and ->gr_list based on front-end user status.
655 *
656 * @return void
657 */
658 function initUserGroups() {
659
660 $this->fe_user->showHiddenRecords = $this->showHiddenRecords; // This affects the hidden-flag selecting the fe_groups for the user!
661 $this->fe_user->fetchGroupData(); // no matter if we have an active user we try to fetch matching groups which can be set without an user (simulation for instance!)
662
663 if (is_array($this->fe_user->user) && count($this->fe_user->groupData['uid'])) {
664 $this->loginUser=1; // global flag!
665 $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!
666 $gr_array = $this->fe_user->groupData['uid'];
667 } else {
668 $this->loginUser=0;
669 $this->gr_list = '0,-1'; // group -1 is not an existing group, but denotes a 'default' group when not logged in. This is used to let elements be hidden, when a user is logged in!
670
671 if ($this->loginAllowedInBranch) {
672 $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.
673 } else {
674 $gr_array = array(); // Set to blank since we will NOT risk any groups being set when no logins are allowed!
675 }
676 }
677
678 // Clean up.
679 $gr_array = array_unique($gr_array); // Make unique...
680 sort($gr_array); // sort
681 if (count($gr_array)) {
682 $this->gr_list.=','.implode(',',$gr_array);
683 }
684
685 if ($this->fe_user->writeDevLog) t3lib_div::devLog('Valid usergroups for TSFE: '.$this->gr_list, 'tslib_fe');
686 }
687
688 /**
689 * Checking if a user is logged in or a group constellation different from "0,-1"
690 *
691 * @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!)
692 */
693 function isUserOrGroupSet() {
694 return is_array($this->fe_user->user) || $this->gr_list!=='0,-1';
695 }
696
697 /**
698 * Provides ways to bypass the '?id=[xxx]&type=[xx]' format, using either PATH_INFO or virtual HTML-documents (using Apache mod_rewrite)
699 *
700 * Two options:
701 * 1) 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 * 2) Using hook which enables features like those provided from "simulatestatic" or "realurl" extension (AKA "Speaking URLs")
703 *
704 * @return void
705 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&cHash=4ad9d7acb4
706 */
707 function checkAlternativeIdMethods() {
708 $this->siteScript = t3lib_div::getIndpEnv('TYPO3_SITE_SCRIPT');
709
710 // If PATH_INFO
711 if (t3lib_div::getIndpEnv('PATH_INFO')) { // If pathinfo contains stuff...
712 $parts=t3lib_div::trimExplode('/',t3lib_div::getIndpEnv('PATH_INFO'),1);
713 $parts[]='html';
714 $pCount = count($parts);
715 if ($pCount>2) {
716 $this->type = intval($parts[$pCount-2]);
717 $this->id = $parts[$pCount-3];
718 } else {
719 $this->type = 0;
720 $this->id = $parts[0];
721 }
722 $this->absRefPrefix_force=1;
723 }
724
725 // Call post processing function for custom URL methods.
726 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'])) {
727 $_params = array('pObj' => &$this);
728 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'] as $_funcRef) {
729 t3lib_div::callUserFunction($_funcRef,$_params,$this);
730 }
731 }
732 }
733
734 /**
735 * Clears the preview-flags, sets sim_exec_time to current time.
736 * 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.
737 *
738 * @return void
739 */
740 function clear_preview() {
741 $this->showHiddenPage = 0;
742 $this->showHiddenRecords = 0;
743 $GLOBALS['SIM_EXEC_TIME'] = $GLOBALS['EXEC_TIME'];
744 $GLOBALS['SIM_ACCESS_TIME'] = $GLOBALS['ACCESS_TIME'];
745 $this->fePreview = 0;
746 }
747
748 /**
749 * Determines the id and evaluates any preview settings
750 * 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.
751 *
752 * @return void
753 */
754 function determineId() {
755
756 // Getting ARG-v values if some
757 $this->setIDfromArgV();
758
759 // If there is a Backend login we are going to check for any preview settings:
760 $GLOBALS['TT']->push('beUserLogin','');
761 if ($this->beUserLogin || $this->doWorkspacePreview()) {
762
763 // Backend user preview features:
764 if ($this->beUserLogin && ($GLOBALS['BE_USER']->frontendEdit instanceof t3lib_frontendedit)) {
765 $this->fePreview = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview') ? true : false;
766
767 // If admin panel preview is enabled...
768 if ($this->fePreview) {
769 $fe_user_OLD_USERGROUP = $this->fe_user->user['usergroup'];
770
771 $this->showHiddenPage = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'showHiddenPages');
772 $this->showHiddenRecords = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'showHiddenRecords');
773 // simulate date
774 $simTime = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'simulateDate');
775 if ($simTime) {
776 $GLOBALS['SIM_EXEC_TIME'] = $simTime;
777 $GLOBALS['SIM_ACCESS_TIME'] = $simTime - ($simTime % 60);
778 }
779 // simulate user
780 $simUserGroup = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'simulateUserGroup');
781 $this->simUserGroup = $simUserGroup;
782 if ($simUserGroup) $this->fe_user->user['usergroup']=$simUserGroup;
783 if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
784 $this->fePreview=0;
785 }
786 }
787 }
788
789 if ($this->id) {
790
791 // Now it's investigated if the raw page-id points to a hidden page and if so, the flag is set.
792 // This does not require the preview flag to be set in the admin panel
793 $idQ = t3lib_div::testInt($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...
794 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('hidden', 'pages', $idQ.' AND hidden!=0 AND deleted=0');
795 if ($GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
796 $this->fePreview = 1; // The preview flag is set only if the current page turns out to actually be hidden!
797 $this->showHiddenPage = 1;
798 }
799
800 // For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
801 if (!$this->fePreview && $this->whichWorkspace()===0) {
802
803 // Initialize the page-select functions to check rootline:
804 $temp_sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
805 $temp_sys_page->init($this->showHiddenPage);
806 // If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
807 if (!count($temp_sys_page->getRootLine($this->id,$this->MP)) && $temp_sys_page->error_getRootLine_failPid==-1) {
808
809 // Setting versioningPreview flag and try again:
810 $temp_sys_page->versioningPreview = TRUE;
811 if (count($temp_sys_page->getRootLine($this->id,$this->MP))) {
812 // 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.
813 $this->fePreview = 1;
814 }
815 }
816 }
817 }
818
819 // The preview flag will be set if a backend user is in an offline workspace
820 if (($GLOBALS['BE_USER']->user['workspace_preview'] || t3lib_div::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace()===-1 || $this->whichWorkspace()>0)) {
821 $this->fePreview = 2; // Will show special preview message.
822 }
823
824 // If the front-end is showing a preview, caching MUST be disabled.
825 if ($this->fePreview) {
826 $this->set_no_cache();
827 }
828 }
829 $GLOBALS['TT']->pull();
830
831 // Now, get the id, validate access etc:
832 $this->fetch_the_id();
833
834 // Check if backend user has read access to this page. If not, recalculate the id.
835 if ($this->beUserLogin && $this->fePreview) {
836 if (!$GLOBALS['BE_USER']->doesUserHaveAccess($this->page,1)) {
837
838 // Resetting
839 $this->clear_preview();
840 $this->fe_user->user['usergroup'] = $fe_user_OLD_USERGROUP;
841
842 // Fetching the id again, now with the preview settings reset.
843 $this->fetch_the_id();
844 }
845 }
846
847 // Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
848 $this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
849 if (!$this->loginAllowedInBranch) { // Logins are not allowed:
850 if ($this->isUserOrGroupSet()) { // Only if there is a login will we run this...
851
852 // Clear out user and group:
853 unset($this->fe_user->user);
854 $this->gr_list = '0,-1';
855
856 // Fetching the id again, now with the preview settings reset.
857 $this->fetch_the_id();
858 }
859 }
860
861 // Final cleaning.
862 $this->id = $this->contentPid = intval($this->id); // Make sure it's an integer
863 $this->type = intval($this->type); // Make sure it's an integer
864
865 // Look for alternative content PID if page is under version preview:
866 if ($this->fePreview) {
867 if ($this->page['_ORIG_pid']==-1 && $this->page['t3ver_swapmode']==0) { // Current page must have been an offline version and have swapmode set to 0:
868 // 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!
869 $this->contentPid = $this->page['_ORIG_uid'];
870 }
871 }
872
873 // Call post processing function for id determination:
874 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
875 $_params = array('pObj' => &$this);
876 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
877 t3lib_div::callUserFunction($_funcRef,$_params,$this);
878 }
879 }
880 }
881
882 /**
883 * Get The Page ID
884 * This gets the id of the page, checks if the page is in the domain and if the page is accessible
885 * Sets variables such as $this->sys_page, $this->loginUser, $this->gr_list, $this->id, $this->type, $this->domainStartPage, $this->idParts
886 *
887 * @return void
888 * @access private
889 */
890 function fetch_the_id() {
891 $GLOBALS['TT']->push('fetch_the_id initialize/','');
892
893 // Initialize the page-select functions.
894 $this->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
895 $this->sys_page->versioningPreview = ($this->fePreview===2 || intval($this->workspacePreview) || t3lib_div::_GP('ADMCMD_view')) ? TRUE : FALSE;
896 $this->sys_page->versioningWorkspaceId = $this->whichWorkspace();
897 $this->sys_page->init($this->showHiddenPage);
898
899 // Set the valid usergroups for FE
900 $this->initUserGroups();
901
902 // Sets sys_page where-clause
903 $this->setSysPageWhereClause();
904
905 // Splitting $this->id by a period (.). First part is 'id' and second part - if exists - will overrule the &type param if given
906 $pParts = explode('.',$this->id);
907 $this->id = $pParts[0]; // Set it.
908 if (isset($pParts[1])) {$this->type=$pParts[1];}
909
910 // Splitting $this->id by a comma (,). First part is 'id' and other parts are just stored for use in scripts.
911 $this->idParts = explode(',',$this->id);
912
913 // Splitting by a '+' sign - used for base64/md5 methods of parameter encryption for simulate static documents.
914 list($pgID,$SSD_p)=explode('+',$this->idParts[0],2);
915 if ($SSD_p) { $this->idPartsAnalyze($SSD_p); }
916 $this->id = $pgID; // Set id
917
918 // If $this->id is a string, it's an alias
919 $this->checkAndSetAlias();
920
921 // The id and type is set to the integer-value - just to be sure...
922 $this->id = intval($this->id);
923 $this->type = intval($this->type);
924 $GLOBALS['TT']->pull();
925
926 // We find the first page belonging to the current domain
927 $GLOBALS['TT']->push('fetch_the_id domain/','');
928 $this->domainStartPage = $this->findDomainRecord($this->TYPO3_CONF_VARS['SYS']['recursiveDomainSearch']); // the page_id of the current domain
929 if (!$this->id) {
930 if ($this->domainStartPage) {
931 $this->id = $this->domainStartPage; // If the id was not previously set, set it to the id of the domain.
932 } else {
933 $theFirstPage = $this->sys_page->getFirstWebPage($this->id); // Find the first 'visible' page in that domain
934 if ($theFirstPage) {
935 $this->id = $theFirstPage['uid'];
936 } else {
937 if ($this->checkPageUnavailableHandler()) {
938 $this->pageUnavailableAndExit('No pages are found on the rootlevel!');
939 } else {
940 $message = 'No pages are found on the rootlevel!';
941 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
942 header('HTTP/1.0 503 Service Temporarily Unavailable');
943 $this->printError($message);
944 exit;
945 }
946 }
947 }
948 }
949 $GLOBALS['TT']->pull();
950
951 $GLOBALS['TT']->push('fetch_the_id rootLine/','');
952 $requestedId = $this->id; // We store the originally requested id
953 $this->getPageAndRootlineWithDomain($this->domainStartPage);
954 $GLOBALS['TT']->pull();
955
956 if ($this->pageNotFound && $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
957 $pNotFoundMsg = array(
958 1 => 'ID was not an accessible page',
959 2 => 'Subsection was found and not accessible',
960 3 => 'ID was outside the domain',
961 4 => 'The requested page alias does not exist'
962 );
963 $this->pageNotFoundAndExit($pNotFoundMsg[$this->pageNotFound]);
964 }
965
966 // set no_cache if set
967 if ($this->page['no_cache']) {
968 $this->set_no_cache();
969 }
970
971 // Init SYS_LASTCHANGED
972 $this->register['SYS_LASTCHANGED'] = intval($this->page['tstamp']);
973 if ($this->register['SYS_LASTCHANGED'] < intval($this->page['SYS_LASTCHANGED'])) {
974 $this->register['SYS_LASTCHANGED'] = intval($this->page['SYS_LASTCHANGED']);
975 }
976 }
977
978 /**
979 * Gets the page and rootline arrays based on the id, $this->id
980 *
981 * If the id does not correspond to a proper page, the 'previous' valid page in the rootline is found
982 * If the page is a shortcut (doktype=4), the ->id is loaded with that id
983 *
984 * 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.
985 *
986 * Sets or manipulates internal variables such as: $this->id, $this->page, $this->rootLine, $this->MP, $this->pageNotFound
987 *
988 * @return void
989 * @access private
990 */
991 function getPageAndRootline() {
992 $this->page = $this->sys_page->getPage($this->id);
993 if (!count($this->page)) {
994 // If no page, we try to find the page before in the rootLine.
995 $this->pageNotFound=1; // Page is 'not found' in case the id itself was not an accessible page. code 1
996 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
997 if (count($this->rootLine)) {
998 $c=count($this->rootLine)-1;
999 while($c>0) {
1000
1001 // Add to page access failure history:
1002 $this->pageAccessFailureHistory['direct_access'][] = $this->rootLine[$c];
1003
1004 // Decrease to next page in rootline and check the access to that, if OK, set as page record and ID value.
1005 $c--;
1006 $this->id = $this->rootLine[$c]['uid'];
1007 $this->page = $this->sys_page->getPage($this->id);
1008 if (count($this->page)) { break; }
1009 }
1010 }
1011 // If still no page...
1012 if (!count($this->page)) {
1013 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1014 $this->pageNotFoundAndExit('The requested page does not exist!');
1015 } else {
1016 $message = 'The requested page does not exist!';
1017 header('HTTP/1.0 404 Page Not Found');
1018 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1019 $this->printError($message);
1020 exit;
1021 }
1022 }
1023 }
1024
1025 // Spacer is not accessible in frontend
1026 if ($this->page['doktype'] == 199) {
1027 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1028 $this->pageNotFoundAndExit('The requested page does not exist!');
1029 } else {
1030 $message = 'The requested page does not exist!';
1031 header('HTTP/1.0 404 Page Not Found');
1032 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1033 $this->printError($message);
1034 exit;
1035 }
1036 }
1037
1038 // Is the ID a link to another page??
1039 if ($this->page['doktype']==4) {
1040 $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.
1041 $this->page = $this->getPageShortcut($this->page['shortcut'],$this->page['shortcut_mode'],$this->page['uid']);
1042 $this->id = $this->page['uid'];
1043 }
1044
1045 // Gets the rootLine
1046 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1047
1048 // If not rootline we're off...
1049 if (!count($this->rootLine)) {
1050 $ws = $this->whichWorkspace();
1051 if ($this->sys_page->error_getRootLine_failPid==-1 && $ws) {
1052 $this->sys_page->versioningPreview = TRUE;
1053 $this->versioningWorkspaceId = $ws;
1054 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1055 }
1056 if (!count($this->rootLine)) {
1057 if ($this->checkPageUnavailableHandler()) {
1058 $this->pageUnavailableAndExit('The requested page didn\'t have a proper connection to the tree-root!');
1059 } else {
1060 $message = 'The requested page didn\'t have a proper connection to the tree-root! <br /><br />('.$this->sys_page->error_getRootLine.')';
1061 header('HTTP/1.0 503 Service Temporarily Unavailable');
1062 t3lib_div::sysLog(str_replace('<br /><br />','',$message), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1063 $this->printError($message);
1064 exit;
1065 }
1066 }
1067 $this->fePreview = 1;
1068 }
1069
1070 // Checking for include section regarding the hidden/starttime/endtime/fe_user (that is access control of a whole subbranch!)
1071 if ($this->checkRootlineForIncludeSection()) {
1072 if (!count($this->rootLine)) {
1073 if ($this->checkPageUnavailableHandler()) {
1074 $this->pageUnavailableAndExit('The requested page was not accesible!');
1075 } else {
1076 $message = 'The requested page was not accessible!';
1077 header('HTTP/1.0 503 Service Temporarily Unavailable');
1078 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1079 $this->printError($message);
1080 exit;
1081 }
1082 } else {
1083 $el = reset($this->rootLine);
1084 $this->id = $el['uid'];
1085 $this->page = $this->sys_page->getPage($this->id);
1086 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1087 }
1088 }
1089 }
1090
1091 /**
1092 * Get page shortcut; Finds the records pointed to by input value $SC (the shortcut value)
1093 *
1094 * @param integer The value of the "shortcut" field from the pages record
1095 * @param integer The shortcut mode: 1 and 2 will select either first subpage or random subpage; the default is the page pointed to by $SC
1096 * @param integer The current page UID of the page which is a shortcut
1097 * @param integer Safety feature which makes sure that the function is calling itself recursively max 20 times (since this function can find shortcuts to other shortcuts to other shortcuts...)
1098 * @param array An array filled with previous page uids tested by the function - new page uids are evaluated against this to avoid going in circles.
1099 * @return mixed Returns the page record of the page that the shortcut pointed to.
1100 * @access private
1101 * @see getPageAndRootline()
1102 */
1103 function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array()) {
1104 $idArray = t3lib_div::intExplode(',',$SC);
1105
1106 // Find $page record depending on shortcut mode:
1107 switch($mode) {
1108 case 1:
1109 case 2:
1110 $pageArray = $this->sys_page->getMenu($idArray[0]?$idArray[0]:$thisUid,'*','sorting','AND pages.doktype<199 AND pages.doktype!=6');
1111 $pO = 0;
1112 if ($mode==2 && count($pageArray)) { // random
1113 $this->make_seed();
1114 $randval = intval(rand(0,count($pageArray)-1));
1115 $pO = $randval;
1116 }
1117 $c = 0;
1118 reset($pageArray);
1119 while(list(,$pV)=each($pageArray)) {
1120 if ($c==$pO) {
1121 $page = $pV;
1122 break;
1123 }
1124 $c++;
1125 }
1126 break;
1127 default:
1128 $page = $this->sys_page->getPage($idArray[0]);
1129 break;
1130 }
1131
1132 // Check if short cut page was a shortcut itself, if so look up recursively:
1133 if ($page['doktype']==4) {
1134 if (!in_array($page['uid'],$pageLog) && $itera>0) {
1135 $pageLog[] = $page['uid'];
1136 $page = $this->getPageShortcut($page['shortcut'],$page['shortcut_mode'],$page['uid'],$itera-1,$pageLog);
1137 } else {
1138 $pageLog[] = $page['uid'];
1139 $message = 'Page shortcuts were looping in uids '.implode(',',$pageLog).'...!';
1140 header('HTTP/1.0 500 Internal Server Error');
1141 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1142 $this->printError($message);
1143 exit;
1144 }
1145 }
1146 // Return resulting page:
1147 return $page;
1148 }
1149
1150 /**
1151 * Checks the current rootline for defined sections.
1152 *
1153 * @return boolean
1154 * @access private
1155 */
1156 function checkRootlineForIncludeSection() {
1157 $c=count($this->rootLine);
1158 $removeTheRestFlag=0;
1159
1160 for ($a=0;$a<$c;$a++) {
1161 if (!$this->checkPagerecordForIncludeSection($this->rootLine[$a])) {
1162 // Add to page access failure history:
1163 $this->pageAccessFailureHistory['sub_section'][] = $this->rootLine[$a];
1164 $removeTheRestFlag=1;
1165 }
1166 if ($this->rootLine[$a]['doktype']==6) {
1167 if ($this->beUserLogin) { // If there is a backend user logged in, check if he has read access to the page:
1168 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($this->id).' AND '.$GLOBALS['BE_USER']->getPagePermsClause(1)); // versionOL()?
1169 list($isPage) = $GLOBALS['TYPO3_DB']->sql_fetch_row($res);
1170 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...
1171 } else { // Dont go here, if there is no backend user logged in.
1172 $removeTheRestFlag=1;
1173 }
1174 }
1175 if ($removeTheRestFlag) {
1176 $this->pageNotFound=2; // Page is 'not found' in case a subsection was found and not accessible, code 2
1177 unset($this->rootLine[$a]);
1178 }
1179 }
1180 return $removeTheRestFlag;
1181 }
1182
1183 /**
1184 * Checks page record for enableFields
1185 * Returns true if enableFields does not disable the page record.
1186 * Takes notice of the ->showHiddenPage flag and uses SIM_ACCESS_TIME for start/endtime evaluation
1187 *
1188 * @param array The page record to evaluate (needs fields: hidden, starttime, endtime, fe_group)
1189 * @param boolean Bypass group-check
1190 * @return boolean True, if record is viewable.
1191 * @see tslib_cObj::getTreeList(), checkPagerecordForIncludeSection()
1192 */
1193 function checkEnableFields($row,$bypassGroupCheck=FALSE) {
1194 if ((!$row['hidden'] || $this->showHiddenPage)
1195 && $row['starttime']<=$GLOBALS['SIM_ACCESS_TIME']
1196 && ($row['endtime']==0 || $row['endtime']>$GLOBALS['SIM_ACCESS_TIME'])
1197 && ($bypassGroupCheck || $this->checkPageGroupAccess($row))
1198 ) { return TRUE; }
1199 }
1200
1201 /**
1202 * Check group access against a page record
1203 *
1204 * @param array The page record to evaluate (needs field: fe_group)
1205 * @param mixed List of group id's (comma list or array). Default is $this->gr_list
1206 * @return boolean True, if group access is granted.
1207 * @access private
1208 */
1209 function checkPageGroupAccess($row, $groupList=NULL) {
1210 if(is_null($groupList)) {
1211 $groupList = $this->gr_list;
1212 }
1213 if(!is_array($groupList)) {
1214 $groupList = explode(',', $groupList);
1215 }
1216 $pageGroupList = explode(',', $row['fe_group'] ? $row['fe_group'] : 0);
1217 return count(array_intersect($groupList, $pageGroupList)) > 0;
1218 }
1219
1220 /**
1221 * Checks page record for include section
1222 *
1223 * @param array The page record to evaluate (needs fields: extendToSubpages + hidden, starttime, endtime, fe_group)
1224 * @return boolean Returns true if either extendToSubpages is not checked or if the enableFields does not disable the page record.
1225 * @access private
1226 * @see checkEnableFields(), tslib_cObj::getTreeList(), checkRootlineForIncludeSection()
1227 */
1228 function checkPagerecordForIncludeSection($row) {
1229 return (!$row['extendToSubpages'] || $this->checkEnableFields($row)) ? 1 : 0;
1230 }
1231
1232 /**
1233 * 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!)
1234 *
1235 * @return boolean returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
1236 */
1237 function checkIfLoginAllowedInBranch() {
1238
1239 // Initialize:
1240 $c = count($this->rootLine);
1241 $disable = FALSE;
1242
1243 // Traverse root line from root and outwards:
1244 for ($a=0; $a<$c; $a++) {
1245
1246 // If a value is set for login state:
1247 if ($this->rootLine[$a]['fe_login_mode'] > 0) {
1248
1249 // Determine state from value:
1250 $disable = (int)$this->rootLine[$a]['fe_login_mode'] === 1 ? TRUE : FALSE;
1251 }
1252 }
1253
1254 return !$disable;
1255 }
1256
1257 /**
1258 * 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
1259 *
1260 * @return array Summary of why page access was not allowed.
1261 */
1262 function getPageAccessFailureReasons() {
1263 $output = array();
1264
1265 $combinedRecords = array_merge(
1266 is_array($this->pageAccessFailureHistory['direct_access']) ? $this->pageAccessFailureHistory['direct_access'] : array(array('fe_group'=>0)), // Adding fake first record for direct access if none, otherwise $k==0 below will be indicating a sub-section record to be first direct_access record which is of course false!
1267 is_array($this->pageAccessFailureHistory['sub_section']) ? $this->pageAccessFailureHistory['sub_section'] : array()
1268 );
1269
1270 if (count($combinedRecords)) {
1271 foreach($combinedRecords as $k => $pagerec) {
1272 // 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
1273 // If $k>0 it is parent pages being tested. They are only significant for the access to the first page IF they had the extendToSubpages flag set, hence checked only then!
1274 if (!$k || $pagerec['extendToSubpages']) {
1275 if ($pagerec['hidden']) $output['hidden'][$pagerec['uid']] = TRUE;
1276 if ($pagerec['starttime'] > $GLOBALS['SIM_ACCESS_TIME']) $output['starttime'][$pagerec['uid']] = $pagerec['starttime'];
1277 if ($pagerec['endtime']!=0 && $pagerec['endtime'] <= $GLOBALS['SIM_ACCESS_TIME']) $output['endtime'][$pagerec['uid']] = $pagerec['endtime'];
1278 if (!$this->checkPageGroupAccess($pagerec)) $output['fe_group'][$pagerec['uid']] = $pagerec['fe_group'];
1279 }
1280 }
1281 }
1282
1283 return $output;
1284 }
1285
1286 /**
1287 * This checks if there are ARGV-parameters in the QUERY_STRING and if so, those are used for the id
1288 * $this->id must be 'false' in order for any processing to happen in here
1289 * If an id/alias value is extracted from the QUERY_STRING it is set in $this->id
1290 *
1291 * @return void
1292 * @access private
1293 */
1294 function setIDfromArgV() {
1295 if (!$this->id) {
1296 list($theAlias) = explode('&',t3lib_div::getIndpEnv('QUERY_STRING'));
1297 $theAlias = trim($theAlias);
1298 $this->id = ($theAlias != '' && strpos($theAlias, '=') === false) ? $theAlias : 0;
1299 }
1300 }
1301
1302 /**
1303 * Gets ->page and ->rootline information based on ->id. ->id may change during this operation.
1304 * If not inside domain, then default to first page in domain.
1305 *
1306 * @param integer Page uid of the page where the found domain record is (pid of the domain record)
1307 * @return void
1308 * @access private
1309 */
1310 function getPageAndRootlineWithDomain($domainStartPage) {
1311 $this->getPageAndRootline();
1312
1313 // Checks if the $domain-startpage is in the rootLine. This is necessary so that references to page-id's from other domains are not possible.
1314 if ($domainStartPage && is_array($this->rootLine)) {
1315 reset ($this->rootLine);
1316 $idFound = 0;
1317 while(list($key,$val)=each($this->rootLine)) {
1318 if ($val['uid']==$domainStartPage) {
1319 $idFound=1;
1320 break;
1321 }
1322 }
1323 if (!$idFound) {
1324 $this->pageNotFound=3; // Page is 'not found' in case the id was outside the domain, code 3
1325 $this->id = $domainStartPage;
1326 $this->getPageAndRootline(); //re-get the page and rootline if the id was not found.
1327 }
1328 }
1329 }
1330
1331 /**
1332 * Sets sys_page where-clause
1333 *
1334 * @return void
1335 * @access private
1336 */
1337 function setSysPageWhereClause() {
1338 $this->sys_page->where_hid_del.=' AND pages.doktype<200';
1339 $this->sys_page->where_groupAccess = $this->sys_page->getMultipleGroupsWhereClause('pages.fe_group', 'pages');
1340 }
1341
1342 /**
1343 * Looking up a domain record based on HTTP_HOST
1344 *
1345 * @param boolean If set, it looks "recursively" meaning that a domain like "123.456.typo3.com" would find a domain record like "typo3.com" if "123.456.typo3.com" or "456.typo3.com" did not exist.
1346 * @return integer Returns the page id of the page where the domain record was found.
1347 * @access private
1348 */
1349 function findDomainRecord($recursive=0) {
1350 if ($recursive) {
1351 $host = explode('.',t3lib_div::getIndpEnv('HTTP_HOST'));
1352 while(count($host)) {
1353 $pageUid = $this->sys_page->getDomainStartPage(implode('.',$host),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1354 if ($pageUid) return $pageUid; else array_shift($host);
1355 }
1356 return $pageUid;
1357 } else {
1358 return $this->sys_page->getDomainStartPage(t3lib_div::getIndpEnv('HTTP_HOST'),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1359 }
1360 }
1361
1362 /**
1363 * Page unavailable handler for use in frontend plugins from extensions.
1364 *
1365 * @param string Reason text
1366 * @param string HTTP header to send
1367 * @return void Function exits.
1368 */
1369 function pageUnavailableAndExit($reason='', $header='') {
1370 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling_statheader'];
1371 $this->pageUnavailableHandler($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'], $header, $reason);
1372 exit;
1373 }
1374
1375 /**
1376 * Page-not-found handler for use in frontend plugins from extensions.
1377 *
1378 * @param string Reason text
1379 * @param string HTTP header to send
1380 * @return void Function exits.
1381 */
1382 function pageNotFoundAndExit($reason='', $header='') {
1383 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling_statheader'];
1384 $this->pageNotFoundHandler($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling'], $header, $reason);
1385 exit;
1386 }
1387
1388 /**
1389 * Checks whether the pageUnavailableHandler should be used. To be used, pageUnavailable_handling must be set
1390 * and devIPMask must not match the current visitor's IP address.
1391 *
1392 * @return boolean True/false whether the pageUnavailable_handler should be used.
1393 */
1394 function checkPageUnavailableHandler() {
1395 if($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'] &&
1396 !t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $this->TYPO3_CONF_VARS['SYS']['devIPmask'])) {
1397 $checkPageUnavailableHandler = TRUE;
1398 } else {
1399 $checkPageUnavailableHandler = FALSE;
1400 }
1401
1402 return $checkPageUnavailableHandler;
1403 }
1404
1405 /**
1406 * Page unavailable handler. Acts a wrapper for the pageErrorHandler method.
1407 *
1408 * @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 $code value is expected to be a "Location:" header value.
1409 * @param string If set, this is passed directly to the PHP function, header()
1410 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1411 * @return void (The function exits!)
1412 */
1413 function pageUnavailableHandler($code, $header, $reason) {
1414 $this->pageErrorHandler($code, $header, $reason);
1415 }
1416
1417 /**
1418 * Page not found handler. Acts a wrapper for the pageErrorHandler method.
1419 *
1420 * @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 $code value is expected to be a "Location:" header value.
1421 * @param string If set, this is passed directly to the PHP function, header()
1422 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1423 * @return void (The function exits!)
1424 */
1425 function pageNotFoundHandler($code, $header='', $reason='') {
1426 $this->pageErrorHandler($code, $header, $reason);
1427 }
1428
1429 /**
1430 * Generic error page handler.
1431 * Exits.
1432 *
1433 * @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 $code value is expected to be a "Location:" header value.
1434 * @param string If set, this is passed directly to the PHP function, header()
1435 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1436 * @return void (The function exits!)
1437 */
1438 function pageErrorHandler($code, $header='', $reason='') {
1439
1440 // Issue header in any case:
1441 if ($header) {
1442 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1443 foreach ($headerArr as $header) {
1444 header ($header);
1445 }
1446 }
1447
1448 // Create response:
1449 if (gettype($code)=='boolean' || !strcmp($code,1)) { // Simply boolean; Just shows TYPO3 error page with reason:
1450 $this->printError('The page did not exist or was inaccessible.'.($reason ? ' Reason: '.htmlspecialchars($reason) : ''));
1451 } elseif (t3lib_div::isFirstPartOfStr($code,'USER_FUNCTION:')) {
1452 $funcRef = trim(substr($code,14));
1453 $params = array(
1454 'currentUrl' => t3lib_div::getIndpEnv('REQUEST_URI'),
1455 'reasonText' => $reason,
1456 'pageAccessFailureReasons' => $this->getPageAccessFailureReasons()
1457 );
1458 echo t3lib_div::callUserFunction($funcRef,$params,$this);
1459 } elseif (t3lib_div::isFirstPartOfStr($code,'READFILE:')) {
1460 $readFile = t3lib_div::getFileAbsFileName(trim(substr($code,9)));
1461 if (@is_file($readFile)) {
1462 $fileContent = t3lib_div::getUrl($readFile);
1463 $fileContent = str_replace('###CURRENT_URL###', t3lib_div::getIndpEnv('REQUEST_URI'), $fileContent);
1464 $fileContent = str_replace('###REASON###', htmlspecialchars($reason), $fileContent);
1465 echo $fileContent;
1466 } else {
1467 $this->printError('Configuration Error: 404 page "'.$readFile.'" could not be found.');
1468 }
1469 } elseif (t3lib_div::isFirstPartOfStr($code,'REDIRECT:')) {
1470 header('Location: '.t3lib_div::locationHeaderUrl(substr($code,9)));
1471 exit;
1472 } elseif (strlen($code)) {
1473 // Check if URL is relative
1474 $url_parts = parse_url($code);
1475 if ($url_parts['host'] == '') {
1476 $url_parts['host'] = t3lib_div::getIndpEnv('HTTP_HOST');
1477 $code = t3lib_div::getIndpEnv('TYPO3_REQUEST_HOST') . $code;
1478 $checkBaseTag = false;
1479 } else {
1480 $checkBaseTag = true;
1481 }
1482
1483 // Check recursion
1484 if ($code == t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1485 if ($reason == '') {
1486 $reason = 'Page cannot be found.';
1487 }
1488 $reason.= chr(10) . chr(10) . 'Additionally, ' . $code . ' was not found while trying to retrieve the error document.';
1489 $this->printError('Reason: '.nl2br(htmlspecialchars($reason)));
1490 exit();
1491 }
1492
1493 // Prepare headers
1494 $headerArr = array(
1495 'User-agent: ' . t3lib_div::getIndpEnv('HTTP_USER_AGENT'),
1496 'Referer: ' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')
1497 );
1498 $res = t3lib_div::getURL($code, 1, $headerArr);
1499
1500 // Header and content are separated by an empty line
1501 list($header,$content) = split("\r\n\r\n", $res, 2);
1502 $content.= "\r\n";
1503
1504 if (false === $res) {
1505 // Last chance -- redirect
1506 header('Location: '.t3lib_div::locationHeaderUrl($code));
1507 } else {
1508
1509 $forwardHeaders = array( // Forward these response headers to the client
1510 'Content-Type:',
1511 );
1512 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1513 foreach ($headerArr as $header) {
1514 foreach ($forwardHeaders as $h) {
1515 if (preg_match('/^'.$h.'/', $header)) {
1516 header ($header);
1517 }
1518 }
1519 }
1520 // Put <base> if necesary
1521 if ($checkBaseTag) {
1522
1523 // If content already has <base> tag, we do not need to do anything
1524 if (false === stristr($content, '<base ')) {
1525
1526 // Generate href for base tag
1527 $base = $url_parts['scheme'] . '://';
1528 if ($url_parts['user'] != '') {
1529 $base.= $url_parts['user'];
1530 if ($url_parts['pass'] != '') {
1531 $base.= ':' . $url_parts['pass'];
1532 }
1533 $base.= '@';
1534 }
1535 $base.= $url_parts['host'];
1536
1537 // Add path portion skipping possible file name
1538 $base.= preg_replace('/(.*\/)[^\/]*/', '${1}', $url_parts['path']);
1539
1540 // Put it into content (generate also <head> if necessary)
1541 $replacement = chr(10) . '<base href="' . htmlentities($base) . '" />' . chr(10);
1542 if (stristr($content, '<head>')) {
1543 $content = preg_replace('/(<head>)/i', '\1' . $replacement, $content);
1544 } else {
1545 $content = preg_replace('/(<html[^>]*>)/i', '\1<head>' . $replacement . '</head>', $content);
1546 }
1547 }
1548 }
1549 echo $content; // Output the content
1550 }
1551 } else {
1552 $this->printError($reason ? 'Reason: '.htmlspecialchars($reason) : 'Page cannot be found.');
1553 }
1554 exit();
1555 }
1556
1557 /**
1558 * Fetches the integer page id for a page alias.
1559 * 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 $this->id
1560 *
1561 * @return void
1562 * @access private
1563 */
1564 function checkAndSetAlias() {
1565 if ($this->id && !t3lib_div::testInt($this->id)) {
1566 $aid = $this->sys_page->getPageIdFromAlias($this->id);
1567 if ($aid) {
1568 $this->id = $aid;
1569 } else {
1570 $this->pageNotFound = 4;
1571 }
1572 }
1573 }
1574
1575 /**
1576 * 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 $_GET
1577 * If values for ->cHash, ->no_cache, ->jumpurl and ->MP is found, they are also loaded into the internal vars of this class.
1578 *
1579 * @param string String to analyze
1580 * @return void
1581 * @access private
1582 * @deprecated since TYPO3 4.3, will be removed in TYPO3 4.5, please use the "simulatestatic" sysext directly
1583 */
1584 function idPartsAnalyze($str) {
1585 $GET_VARS = '';
1586 switch(substr($str,0,2)) {
1587 case 'B6':
1588 $addParams = base64_decode(str_replace('_','=',str_replace('-','/',substr($str,2))));
1589 parse_str($addParams,$GET_VARS);
1590 break;
1591 case 'M5':
1592 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr(substr($str,2), 'cache_md5params'));
1593 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1594
1595 $this->updateMD5paramsRecord(substr($str,2));
1596 parse_str($row['params'],$GET_VARS);
1597 break;
1598 }
1599
1600 $this->mergingWithGetVars($GET_VARS);
1601 }
1602
1603 /**
1604 * Merging values into the global $_GET
1605 *
1606 * @param array Array of key/value pairs that will be merged into the current GET-vars. (Non-escaped values)
1607 * @return void
1608 */
1609 function mergingWithGetVars($GET_VARS) {
1610 if (is_array($GET_VARS)) {
1611 $realGet = t3lib_div::_GET(); // Getting $_GET var, unescaped.
1612 if (!is_array($realGet)) $realGet = array();
1613
1614 // Merge new values on top:
1615 $realGet = t3lib_div::array_merge_recursive_overrule($realGet,$GET_VARS);
1616
1617 // Write values back to $_GET:
1618 t3lib_div::_GETset($realGet);
1619
1620 // Setting these specifically (like in the init-function):
1621 if (isset($GET_VARS['type'])) $this->type = intval($GET_VARS['type']);
1622 if (isset($GET_VARS['cHash'])) $this->cHash = $GET_VARS['cHash'];
1623 if (isset($GET_VARS['jumpurl'])) $this->jumpurl = $GET_VARS['jumpurl'];
1624 if (isset($GET_VARS['MP'])) $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? $GET_VARS['MP'] : '';
1625
1626 if (isset($GET_VARS['no_cache']) && $GET_VARS['no_cache']) $this->set_no_cache();
1627 }
1628 }
1629
1630 /**
1631 * Looking for a ADMCMD_prev code, looks it up if found and returns configuration data.
1632 * 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.
1633 * 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.
1634 * 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.
1635 *
1636 * @return array Preview configuration array from sys_preview record.
1637 * @see t3lib_BEfunc::compilePreviewKeyword()
1638 */
1639 function ADMCMD_preview(){
1640 $inputCode = t3lib_div::_GP('ADMCMD_prev');
1641
1642 // If no inputcode and a cookie is set, load input code from cookie:
1643 if (!$inputCode && $_COOKIE['ADMCMD_prev']) {
1644 $inputCode = $_COOKIE['ADMCMD_prev'];
1645 }
1646
1647 // If inputcode now, look up the settings:
1648 if ($inputCode) {
1649
1650 if ($inputCode=='LOGOUT') { // "log out":
1651 SetCookie('ADMCMD_prev', '', 0);
1652 if ($this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']) {
1653 if (@is_file(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'])) {
1654 $message = t3lib_div::getUrl(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']);
1655 } else {
1656 $message = '<b>ERROR!</b><br>Template File "'.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'].'" configured with $TYPO3_CONF_VARS["FE"]["workspacePreviewLogoutTemplate"] not found. Please contact webmaster about this problem.';
1657 }
1658 } else {
1659 $message = 'You logged out from Workspace preview mode. Click this link to <a href="%1$s">go back to the website</a>';
1660 }
1661 die(sprintf($message,
1662 htmlspecialchars(ereg_replace('\&?ADMCMD_prev=[[:alnum:]]+','',t3lib_div::_GET('returnUrl')))
1663 ));
1664 }
1665
1666 // Look for keyword configuration record:
1667 list($previewData) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1668 '*',
1669 'sys_preview',
1670 'keyword='.$GLOBALS['TYPO3_DB']->fullQuoteStr($inputCode, 'sys_preview').
1671 ' AND endtime>'.time()
1672 );
1673
1674 // Get: Backend login status, Frontend login status
1675 // - Make sure to remove fe/be cookies (temporarily); BE already done in ADMCMD_preview_postInit()
1676 if (is_array($previewData)) {
1677 if (!count(t3lib_div::_POST())) {
1678 // Unserialize configuration:
1679 $previewConfig = unserialize($previewData['config']);
1680
1681 if ($previewConfig['fullWorkspace']) { // For full workspace preview we only ADD a get variable to set the preview of the workspace - so all other Get vars are accepted. Hope this is not a security problem. Still posting is not allowed and even if a backend user get initialized it shouldn't lead to situations where users can use those credentials.
1682
1683 // Set the workspace preview value:
1684 t3lib_div::_GETset($previewConfig['fullWorkspace'],'ADMCMD_previewWS');
1685
1686 // 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...
1687 if (t3lib_div::_GP('ADMCMD_prev')) {
1688 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.
1689 }
1690 return $previewConfig;
1691 } elseif (t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode === t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1692
1693 // Set GET variables:
1694 $GET_VARS = '';
1695 parse_str($previewConfig['getVars'], $GET_VARS);
1696 t3lib_div::_GETset($GET_VARS);
1697
1698 // Return preview keyword configuration:
1699 return $previewConfig;
1700 } else die(htmlspecialchars('Request URL did not match "'.t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode.'"')); // This check is to prevent people from setting additional GET vars via realurl or other URL path based ways of passing parameters.
1701 } else die('POST requests are incompatible with keyword preview.');
1702 } else die('ADMCMD command could not be executed! (No keyword configuration found)');
1703 }
1704 }
1705
1706 /**
1707 * Configuration after initialization of TSFE object.
1708 * Basically this unsets the BE cookie if any and forces the BE user set according to the preview configuration.
1709 *
1710 * @param array Preview configuration, see ADMCMD_preview()
1711 * @return void
1712 * @see ADMCMD_preview(), index_ts.php
1713 */
1714 function ADMCMD_preview_postInit($previewConfig){
1715 if (is_array($previewConfig)) {
1716
1717 // Clear cookies:
1718 unset($_COOKIE['be_typo_user']);
1719 $this->ADMCMD_preview_BEUSER_uid = $previewConfig['BEUSER_uid'];
1720
1721 } else die('Error in preview configuration.');
1722 }
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734 /********************************************
1735 *
1736 * Template and caching related functions.
1737 *
1738 *******************************************/
1739
1740 /**
1741 * 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
1742 *
1743 * @return void
1744 * @see reqCHash()
1745 */
1746 function makeCacheHash() {
1747 $GET = t3lib_div::_GET();
1748 if ($this->cHash && is_array($GET)) {
1749 $this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
1750 $cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));
1751
1752 if ($cHash_calc!=$this->cHash) {
1753 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1754 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
1755 } else {
1756 $this->set_no_cache();
1757 $GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$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);
1758 }
1759 }
1760 }
1761 }
1762
1763 /**
1764 * Will disable caching if the cHash value was not set.
1765 * 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)
1766 *
1767 * @return void
1768 * @see makeCacheHash(), tslib_pibase::pi_cHashCheck()
1769 */
1770 function reqCHash() {
1771 if (!$this->cHash) {
1772 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1773 if ($this->tempContent) { $this->clearPageCacheContent(); }
1774 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash empty)');
1775 } else {
1776 $this->set_no_cache();
1777 $GLOBALS['TT']->setTSlogMessage('TSFE->reqCHash(): No &cHash parameter was sent for GET vars though required so caching is disabled',2);
1778 }
1779 }
1780 }
1781
1782 /**
1783 * Splits the input query-parameters into an array with certain parameters filtered out.
1784 * Used to create the cHash value
1785 *
1786 * @param string Query-parameters: "&xxx=yyy&zzz=uuu"
1787 * @return array Array with key/value pairs of query-parameters WITHOUT a certain list of variable names (like id, type, no_cache etc) and WITH a variable, encryptionKey, specific for this server/installation
1788 * @access private
1789 * @see makeCacheHash(), tslib_cObj::typoLink()
1790 * @obsolete
1791 */
1792 function cHashParams($addQueryParams) {
1793 return t3lib_div::cHashParams($addQueryParams);
1794 }
1795
1796 /**
1797 * Initialize the TypoScript template parser
1798 *
1799 * @return void
1800 */
1801 function initTemplate() {
1802 $this->tmpl = t3lib_div::makeInstance('t3lib_TStemplate');
1803 $this->tmpl->init();
1804 $this->tmpl->tt_track= $this->beUserLogin ? 1 : 0;
1805 }
1806
1807 /**
1808 * See if page is in cache and get it if so
1809 * Stores the page content in $this->content if something is found.
1810 *
1811 * @return void
1812 */
1813 function getFromCache() {
1814 if (!$this->no_cache) {
1815 $cc = $this->tmpl->getCurrentPageData();
1816
1817 if (!is_array($cc)) {
1818 $key = $this->id.'::'.$this->MP;
1819 $isLocked = $this->acquirePageGenerationLock($this->pagesection_lockObj, $key); // Returns true if the lock is active now
1820
1821 if (!$isLocked) {
1822 // Lock is no longer active, the data in "cache_pagesection" is now ready
1823 $cc = $this->tmpl->getCurrentPageData();
1824 if (is_array($cc)) {
1825 $this->releasePageGenerationLock($this->pagesection_lockObj); // Release the lock
1826 }
1827 }
1828 }
1829
1830 if (is_array($cc)) {
1831 // 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.
1832 // If this hash is not the same in here in this section and after page-generation, then the page will not be properly cached!
1833 $cc = $this->tmpl->matching($cc); // This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
1834 ksort($cc);
1835
1836 $this->all = $cc;
1837 }
1838 unset($cc);
1839 }
1840
1841 $this->content = ''; // clearing the content-variable, which will hold the pagecontent
1842 unset($this->config); // Unsetting the lowlevel config
1843 $this->cacheContentFlag = 0;
1844
1845 // Look for page in cache only if caching is not disabled and if a shift-reload is not sent to the server.
1846 if (!$this->no_cache && !$this->headerNoCache()) {
1847 $lockHash = $this->getLockHash();
1848
1849 if ($this->all) {
1850 $this->newHash = $this->getHash();
1851
1852 $GLOBALS['TT']->push('Cache Row','');
1853 $row = $this->getFromCache_queryRow();
1854
1855 if (!is_array($row)) {
1856 $isLocked = $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1857
1858 if (!$isLocked) {
1859 // Lock is no longer active, the data in "cache_pages" is now ready
1860 $row = $this->getFromCache_queryRow();
1861 if (is_array($row)) {
1862 $this->releasePageGenerationLock($this->pages_lockObj); // Release the lock
1863 }
1864 }
1865 }
1866
1867 if (is_array($row)) {
1868 // Release this lock
1869 $this->releasePageGenerationLock($this->pages_lockObj);
1870
1871 $this->config = (array)unserialize($row['cache_data']); // Fetches the lowlevel config stored with the cached data
1872 $this->content = $row['HTML']; // Getting the content
1873 $this->tempContent = $row['temp_content']; // Flag for temp content
1874 $this->cacheContentFlag = 1; // Setting flag, so we know, that some cached content has been loaded
1875 $this->cacheExpires = $row['expires'];
1876
1877 if ($this->TYPO3_CONF_VARS['FE']['debug'] || (isset($this->config['config']['debug']) && $this->config['config']['debug'])) {
1878 $dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
1879 $timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
1880
1881 $this->content.= chr(10).'<!-- Cached page generated '.date($dateFormat.' '.$timeFormat, $row['tstamp']).'. Expires '.Date($dateFormat.' '.$timeFormat, $row['expires']).' -->';
1882 }
1883 }
1884 $GLOBALS['TT']->pull();
1885
1886 } else {
1887 $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1888 }
1889 }
1890 }
1891
1892 /**
1893 * Returning the cached version of page with hash = newHash
1894 *
1895 * @return array Cached row, if any. Otherwise void.
1896 */
1897 function getFromCache_queryRow() {
1898 $GLOBALS['TT']->push('Cache Query', '');
1899 $cachedPage = $this->pageCache->get($this->newHash);
1900 $GLOBALS['TT']->pull();
1901
1902 return $cachedPage;
1903 }
1904
1905 /**
1906 * Detecting if shift-reload has been clicked
1907 * Will not be called if re-generation of page happens by other reasons (for instance that the page is not in cache yet!)
1908 * Also, a backend user MUST be logged in for the shift-reload to be detected due to DoS-attack-security reasons.
1909 *
1910 * @return boolean If shift-reload in client browser has been clicked, disable getting cached page (and regenerate it).
1911 */
1912 function headerNoCache() {
1913 $disableAcquireCacheData = FALSE;
1914
1915 if ($this->beUserLogin) {
1916 if (strtolower($_SERVER['HTTP_CACHE_CONTROL'])==='no-cache' || strtolower($_SERVER['HTTP_PRAGMA'])==='no-cache') {
1917 $disableAcquireCacheData = TRUE;
1918 }
1919 }
1920
1921 // Call hook for possible by-pass of requiring of page cache (for recaching purpose)
1922 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'])) {
1923 $_params = array('pObj' => &$this, 'disableAcquireCacheData' => &$disableAcquireCacheData);
1924 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'] as $_funcRef) {
1925 t3lib_div::callUserFunction($_funcRef,$_params,$this);
1926 }
1927 }
1928
1929 return $disableAcquireCacheData;
1930 }
1931
1932 /**
1933 * Calculates the cache-hash
1934 * This hash is unique to the template, the variables ->id, ->type, ->gr_list (list of groups), ->MP (Mount Points) and cHash array
1935 * Used to get and later store the cached data.
1936 *
1937 * @return string MD5 hash of $this->hash_base which is a serialized version of there variables.
1938 * @access private
1939 * @see getFromCache(), getLockHash()
1940 */
1941 function getHash() {
1942 $this->hash_base = serialize(
1943 array(
1944 'all' => $this->all,
1945 'id' => intval($this->id),
1946 'type' => intval($this->type),
1947 'gr_list' => (string)$this->gr_list,
1948 'MP' => (string)$this->MP,
1949 'cHash' => $this->cHash_array
1950 )
1951 );
1952
1953 return md5($this->hash_base);
1954 }
1955
1956 /**
1957 * Calculates the lock-hash
1958 * This hash is unique to the above hash, except that it doesn't contain the template information in $this->all.
1959 *
1960 * @return string MD5 hash
1961 * @access private
1962 * @see getFromCache(), getHash()
1963 */
1964 function getLockHash() {
1965 $lockHash = serialize(
1966 array(
1967 'id' => intval($this->id),
1968 'type' => intval($this->type),
1969 'gr_list' => (string)$this->gr_list,
1970 'MP' => (string)$this->MP,
1971 'cHash' => $this->cHash_array
1972 )
1973 );
1974
1975 return md5($lockHash);
1976 }
1977
1978 /**
1979 * Checks if config-array exists already but if not, gets it
1980 *
1981 * @return void
1982 */
1983 function getConfigArray() {
1984 $setStatPageName = false;
1985
1986 if (!is_array($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
1987 $GLOBALS['TT']->push('Parse template','');
1988
1989 // Force parsing, if set?:
1990 $this->tmpl->forceTemplateParsing = $this->forceTemplateParsing;
1991
1992 // Start parsing the TS template. Might return cached version.
1993 $this->tmpl->start($this->rootLine);
1994 $GLOBALS['TT']->pull();
1995
1996 if ($this->tmpl->loaded) {
1997 $GLOBALS['TT']->push('Setting the config-array','');
1998 // t3lib_div::print_array($this->tmpl->setup);
1999 $this->sPre = $this->tmpl->setup['types.'][$this->type]; // toplevel - objArrayName
2000 $this->pSetup = $this->tmpl->setup[$this->sPre.'.'];
2001
2002 if (!is_array($this->pSetup)) {
2003 if ($this->checkPageUnavailableHandler()) {
2004 $this->pageUnavailableAndExit('The page is not configured! [type= '.$this->type.']['.$this->sPre.']');
2005 } else {
2006 $message = 'The page is not configured! [type= '.$this->type.']['.$this->sPre.']';
2007 header('HTTP/1.0 503 Service Temporarily Unavailable');
2008 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2009 $this->printError($message);
2010 exit;
2011 }
2012 } else {
2013 $this->config['config'] = array();
2014
2015 // Filling the config-array, first with the main "config." part
2016 if (is_array($this->tmpl->setup['config.'])) {
2017 $this->config['config'] = $this->tmpl->setup['config.'];
2018 }
2019 // override it with the page/type-specific "config."
2020 if (is_array($this->pSetup['config.'])) {
2021 $this->config['config'] = t3lib_div::array_merge_recursive_overrule($this->config['config'], $this->pSetup['config.']);
2022 }
2023
2024 if ($this->config['config']['typolinkEnableLinksAcrossDomains']) {
2025 $this->config['config']['typolinkCheckRootline'] = true;
2026 }
2027
2028 // Set default values for removeDefaultJS, inlineStyle2TempFile and minifyJS so CSS and JS are externalized/minified if compatversion is higher than 4.0
2029 if (t3lib_div::compat_version('4.0')) {
2030 if (!isset($this->config['config']['removeDefaultJS'])) {
2031 $this->config['config']['removeDefaultJS'] = 'external';
2032 }
2033 if (!isset($this->config['config']['inlineStyle2TempFile'])) {
2034 $this->config['config']['inlineStyle2TempFile'] = 1;
2035 }
2036 if (!isset($this->config['config']['minifyJS'])) {
2037 $this->config['config']['minifyJS'] = 1;
2038 }
2039 }
2040
2041 // Processing for the config_array:
2042 $this->config['rootLine'] = $this->tmpl->rootLine;
2043 $this->config['mainScript'] = trim($this->config['config']['mainScript']) ? trim($this->config['config']['mainScript']) : 'index.php';
2044
2045 // Initialize statistics handling: Check filename and permissions
2046 $setStatPageName = $this->statistics_init();
2047
2048 $this->config['FEData'] = $this->tmpl->setup['FEData'];
2049 $this->config['FEData.'] = $this->tmpl->setup['FEData.'];
2050 }
2051 $GLOBALS['TT']->pull();
2052 } else {
2053 if ($this->checkPageUnavailableHandler()) {
2054 $this->pageUnavailableAndExit('No TypoScript template found!');
2055 } else {
2056 $message = 'No TypoScript template found!';
2057 header('HTTP/1.0 503 Service Temporarily Unavailable');
2058 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2059 $this->printError($message);
2060 exit;
2061 }
2062 }
2063 }
2064
2065 // Initialize charset settings etc.
2066 $this->initLLvars();
2067
2068 // We want nice names, so we need to handle the charset
2069 if ($setStatPageName) {
2070 $this->statistics_init_pagename();
2071 }
2072
2073 // No cache
2074 if ($this->config['config']['no_cache']) { $this->set_no_cache(); } // Set $this->no_cache true if the config.no_cache value is set!
2075
2076
2077 // Hook for postProcessing the configuration array
2078 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['configArrayPostProc'])) {
2079 $params = array('config' => &$this->config['config']);
2080 foreach ($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['configArrayPostProc'] as $funcRef) {
2081 t3lib_div::callUserFunction($funcRef, $params, $this);
2082 }
2083 }
2084 }
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099 /********************************************
2100 *
2101 * Further initialization and data processing
2102 * (jumpurl/submission of forms)
2103 *
2104 *******************************************/
2105
2106 /**
2107 * Get the compressed $TCA array for use in the front-end
2108 * 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.
2109 * Operates on the global variable, $TCA
2110 *
2111 * @return void
2112 * @see includeTCA()
2113 */
2114 function getCompressedTCarray() {
2115 global $TCA;
2116
2117 $GLOBALS['TT']->push('Get Compressed TC array');
2118 if (!$this->TCAloaded) {
2119 // Create hash string for storage / retrieval of cached content:
2120 $tempHash = md5('tables.php:'.
2121 filemtime(TYPO3_extTableDef_script ? PATH_typo3conf.TYPO3_extTableDef_script : PATH_t3lib.'stddb/tables.php').
2122 (TYPO3_extTableDef_script?filemtime(PATH_typo3conf.TYPO3_extTableDef_script):'').
2123 ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] ? filemtime(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php') : '')
2124 );
2125
2126 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2127 // Try to fetch if cache is enabled
2128 list($TCA, $this->TCAcachedExtras) = unserialize($this->sys_page->getHash($tempHash));
2129 }
2130
2131 // If no result, create it:
2132 if (!is_array($TCA)) {
2133 $this->includeTCA(0);
2134 $newTc = Array();
2135 $this->TCAcachedExtras = array(); // Collects other information
2136
2137 foreach($TCA as $key => $val) {
2138 $newTc[$key]['ctrl'] = $val['ctrl'];
2139 $newTc[$key]['feInterface'] = $val['feInterface'];
2140
2141 // Collect information about localization exclusion of fields:
2142 t3lib_div::loadTCA($key);
2143 if (is_array($TCA[$key]['columns'])) {
2144 $this->TCAcachedExtras[$key]['l10n_mode'] = array();
2145 foreach($TCA[$key]['columns'] as $fN => $fV) {
2146 if ($fV['l10n_mode']) {
2147 $this->TCAcachedExtras[$key]['l10n_mode'][$fN] = $fV['l10n_mode'];
2148 }
2149 }
2150 }
2151 }
2152
2153 $TCA = $newTc;
2154 // Store it in cache if cache is enabled
2155 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2156 $this->sys_page->storeHash($tempHash, serialize(array($newTc,$this->TCAcachedExtras)), 'SHORT_TC');
2157 }
2158 }
2159 }
2160 $GLOBALS['TT']->pull();
2161 }
2162
2163 /**
2164 * Includes TCA definitions from loaded extensions (ext_table.php files).
2165 * Normally in the frontend only a part of the global $TCA array is loaded,
2166 * namely the "ctrl" part. Thus it doesn't take up too much memory. To load
2167 * full TCA for the table, use t3lib_div::loadTCA($tableName) after calling
2168 * this function.
2169 *
2170 * @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 $this->TCAloaded after inclusion and therefore if its false, another inclusion will be possible on the next call. See ->getCompressedTCarray())
2171 * @return void
2172 * @see getCompressedTCarray()
2173 */
2174 function includeTCA($TCAloaded=1) {
2175 global $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS, $TBE_MODULES;
2176 if (!$this->TCAloaded) {
2177 $TCA = Array();
2178 include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
2179 // Extension additions
2180 if ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE']) {
2181 include(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php');
2182 } else {
2183 include(PATH_t3lib.'stddb/load_ext_tables.php');
2184 }
2185 // ext-script
2186 if (TYPO3_extTableDef_script) {
2187 include (PATH_typo3conf.TYPO3_extTableDef_script);
2188 }
2189
2190 $this->TCAloaded = $TCAloaded;
2191 }
2192 }
2193
2194 /**
2195 * Setting the language key that will be used by the current page.
2196 * 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.
2197 *
2198 * @return void
2199 * @access private
2200 */
2201 function settingLanguage() {
2202
2203 // Get values from TypoScript:
2204 $this->sys_language_uid = $this->sys_language_content = intval($this->config['config']['sys_language_uid']);
2205 list($this->sys_language_mode,$sys_language_content) = t3lib_div::trimExplode(';', $this->config['config']['sys_language_mode']);
2206 $this->sys_language_contentOL = $this->config['config']['sys_language_overlay'];
2207
2208 // If sys_language_uid is set to another language than default:
2209 if ($this->sys_language_uid>0) {
2210 // Request the overlay record for the sys_language_uid:
2211 $olRec = $this->sys_page->getPageOverlay($this->id, $this->sys_language_uid);
2212 if (!count($olRec)) {
2213
2214 // If no OL record exists and a foreign language is asked for...
2215 if ($this->sys_language_uid) {
2216
2217 // If requested translation is not available:
2218 if (t3lib_div::hideIfNotTranslated($this->page['l18n_cfg'])) {
2219 $this->pageNotFoundAndExit('Page is not available in the requested language.');
2220 } else {
2221 switch((string)$this->sys_language_mode) {
2222 case 'strict':
2223 $this->pageNotFoundAndExit('Page is not available in the requested language (strict).');
2224 break;
2225 case 'content_fallback':
2226 $fallBackOrder = t3lib_div::intExplode(',', $sys_language_content);
2227 foreach($fallBackOrder as $orderValue) {
2228 if (!strcmp($orderValue,'0') || count($this->sys_page->getPageOverlay($this->id, $orderValue))) {
2229 $this->sys_language_content = $orderValue; // Setting content uid (but leaving the sys_language_uid)
2230 break;
2231 }
2232 }
2233 break;
2234 case 'ignore':
2235 $this->sys_language_content = $this->sys_language_uid;
2236 break;
2237 default:
2238 // Default is that everything defaults to the default language...
2239 $this->sys_language_uid = $this->sys_language_content = 0;
2240 break;
2241 }
2242 }
2243 }
2244 } else {
2245 // Setting sys_language if an overlay record was found (which it is only if a language is used)
2246 $this->page = $this->sys_page->getPageOverlay($this->page, $this->sys_language_uid);
2247 }
2248 }
2249
2250 // Setting sys_language_uid inside sys-page:
2251 $this->sys_page->sys_language_uid = $this->sys_language_uid;
2252
2253 // If default translation is not available:
2254 if ((!$this->sys_language_uid || !$this->sys_language_content) && $this->page['l18n_cfg']&1) {
2255 $message = 'Page is not available in default language.';
2256 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2257 $this->pageNotFoundAndExit($message);
2258 }
2259
2260 // Updating content of the two rootLines IF the language key is set!
2261 if ($this->sys_language_uid && is_array($this->tmpl->rootLine)) {
2262 reset($this->tmpl->rootLine);
2263 while(list($rLk)=each($this->tmpl->rootLine)) {
2264 $this->tmpl->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->tmpl->rootLine[$rLk]);
2265 }
2266 }
2267 if ($this->sys_language_uid && is_array($this->rootLine)) {
2268 reset($this->rootLine);
2269 while(list($rLk)=each($this->rootLine)) {
2270 $this->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->rootLine[$rLk]);
2271 }
2272 }
2273
2274 // Finding the ISO code:
2275 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"
2276 $sys_language_row = $this->sys_page->getRawRecord('sys_language',$this->sys_language_content,'static_lang_isocode');
2277 if (is_array($sys_language_row) && $sys_language_row['static_lang_isocode']) {
2278 $stLrow = $this->sys_page->getRawRecord('static_languages',$sys_language_row['static_lang_isocode'],'lg_iso_2');
2279 $this->sys_language_isocode = $stLrow['lg_iso_2'];
2280 }
2281 }
2282
2283 // Setting softMergeIfNotBlank:
2284 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softMergeIfNotBlank'],1);
2285 foreach($table_fields as $TF) {
2286 list($tN,$fN) = explode(':',$TF);
2287 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'mergeIfNotBlank';
2288 }
2289
2290 // Setting softExclude:
2291 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softExclude'],1);
2292 foreach($table_fields as $TF) {
2293 list($tN,$fN) = explode(':',$TF);
2294 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'exclude';
2295 }
2296 }
2297
2298 /**
2299 * Setting locale for frontend rendering
2300 *
2301 * @return void
2302 */
2303 function settingLocale() {
2304
2305 // Setting locale
2306 if ($this->config['config']['locale_all']) {
2307 # Change by Rene Fritz, 22/10 2002
2308 # 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
2309 # this does not work in php 4.2.3
2310 #setlocale('LC_ALL',$this->config['config']['locale_all']);
2311 #setlocale('LC_NUMERIC','en_US');
2312
2313 # so we set all except LC_NUMERIC
2314 $locale = setlocale(LC_COLLATE, $this->config['config']['locale_all']);
2315 if ($locale) {
2316 setlocale(LC_CTYPE, $this->config['config']['locale_all']);
2317 setlocale(LC_MONETARY, $this->config['config']['locale_all']);
2318 setlocale(LC_TIME, $this->config['config']['locale_all']);
2319
2320 $this->localeCharset = $this->csConvObj->get_locale_charset($this->config['config']['locale_all']);
2321 } else {
2322 $GLOBALS['TT']->setTSlogMessage('Locale "'.htmlspecialchars($this->config['config']['locale_all']).'" not found.', 3);
2323 }
2324 }
2325 }
2326
2327 /**
2328 * Checks if any email-submissions or submission via the fe_tce
2329 *
2330 * @return string "email" if a formmail has been sent, "fe_tce" if front-end data submission (like forums, guestbooks) is sent. "" if none.
2331 */
2332 function checkDataSubmission() {
2333 $ret = '';
2334 $formtype_db = isset($_POST['formtype_db']) || isset($_POST['formtype_db_x']);
2335 $formtype_mail = isset($_POST['formtype_mail']) || isset($_POST['formtype_mail_x']);
2336 if ($formtype_db || $formtype_mail) {
2337 $refInfo = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2338 if (t3lib_div::getIndpEnv('TYPO3_HOST_ONLY')==$refInfo['host'] || $this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2339 if ($this->locDataCheck($_POST['locationData'])) {
2340 if ($formtype_mail) {
2341 $ret = 'email';
2342 } elseif ($formtype_db && is_array($_POST['data'])) {
2343 $ret = 'fe_tce';
2344 }
2345 $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": Return value: '.$ret,0);
2346 return $ret;
2347 }
2348 } else $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": HTTP_HOST and REFERER HOST did not match when processing submitted formdata!',3);
2349 }
2350
2351 // Hook for processing data submission to extensions:
2352 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'])) {
2353 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] as $_classRef) {
2354 $_procObj = &t3lib_div::getUserObj($_classRef);
2355 $_procObj->checkDataSubmission($this);
2356 }
2357 }
2358 return $ret;
2359 }
2360
2361 /**
2362 * Processes submitted user data (obsolete "Frontend TCE")
2363 *
2364 * @return void
2365 * @see tslib_feTCE
2366 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=342&cHash=fdf55adb3b
2367 */
2368 function fe_tce() {
2369 $fe_tce = t3lib_div::makeInstance('tslib_feTCE');
2370 $fe_tce->start(t3lib_div::_POST('data'),$this->config['FEData.']);
2371 $fe_tce->includeScripts();
2372 }
2373
2374 /**
2375 * Checks if a formmail submission can be sent as email
2376 *
2377 * @param string The input from $_POST['locationData']
2378 * @return void
2379 * @access private
2380 * @see checkDataSubmission()
2381 */
2382 function locDataCheck($locationData) {
2383 $locData = explode(':',$locationData);
2384 if (!$locData[1] || $this->sys_page->checkRecord($locData[1],$locData[2],1)) {
2385 if (count($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.
2386 return 1;
2387 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: The page pointed to by location data ('.$locationData.') was not accessible.',2);
2388 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: Location data ('.$locationData.') record pointed to was not accessible.',2);
2389 }
2390
2391 /**
2392 * Sends the emails from the formmail content object.
2393 *
2394 * @return void
2395 * @access private
2396 * @see checkDataSubmission()
2397 */
2398 function sendFormmail() {
2399 $formmail = t3lib_div::makeInstance('t3lib_formmail');
2400
2401 $EMAIL_VARS = t3lib_div::_POST();
2402 $locationData = $EMAIL_VARS['locationData'];
2403 unset($EMAIL_VARS['locationData']);
2404 unset($EMAIL_VARS['formtype_mail'], $EMAIL_VARS['formtype_mail_x'], $EMAIL_VARS['formtype_mail_y']);
2405
2406 $integrityCheck = $this->TYPO3_CONF_VARS['FE']['strictFormmail'];
2407
2408 if (!$this->TYPO3_CONF_VARS['FE']['secureFormmail']) {
2409 // Check recipient field:
2410 $encodedFields = explode(',','recipient,recipient_copy'); // These two fields are the ones which contain recipient addresses that can be misused to send mail from foreign servers.
2411 foreach ($encodedFields as $fieldKey) {
2412 if (strlen($EMAIL_VARS[$fieldKey])) {
2413 if ($res = $this->codeString($EMAIL_VARS[$fieldKey], TRUE)) { // Decode...
2414 $EMAIL_VARS[$fieldKey] = $res; // Set value if OK
2415 } elseif ($integrityCheck) { // Otherwise abort:
2416 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. Sending formmail aborted due to security reasons!',3);
2417 return false;
2418 } else {
2419 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. The security level accepts this, but you should consider a correct coding though!',2);
2420 }
2421 }
2422 }
2423 } else {
2424 $locData = explode(':',$locationData);
2425 $record = $this->sys_page->checkRecord($locData[1],$locData[2],1);
2426 $EMAIL_VARS['recipient'] = $record['subheader'];
2427 $EMAIL_VARS['recipient_copy'] = $this->extractRecipientCopy($record['bodytext']);
2428 }
2429
2430 // Hook for preprocessing of the content for formmails:
2431 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'])) {
2432 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'] as $_classRef) {
2433 $_procObj = &t3lib_div::getUserObj($_classRef);
2434 $EMAIL_VARS = $_procObj->sendFormmail_preProcessVariables($EMAIL_VARS,$this);
2435 }
2436 }
2437
2438 $formmail->start($EMAIL_VARS);
2439 $formmail->sendtheMail();
2440 $GLOBALS['TT']->setTSlogMessage('"Formmail" invoked, sending mail to '.$EMAIL_VARS['recipient'],0);
2441 }
2442
2443 /**
2444 * Extracts the value of recipient copy field from a formmail CE bodytext
2445 *
2446 * @param string $bodytext The content of the related bodytext field
2447 * @return string The value of the recipient_copy field, or an empty string
2448 */
2449 function extractRecipientCopy($bodytext) {
2450 $recipient_copy = '';
2451 $fdef = array();
2452 //|recipient_copy=hidden|karsten@localhost.localdomain
2453 preg_match('/^[\s]*\|[\s]*recipient_copy[\s]*=[\s]*hidden[\s]*\|(.*)$/m', $bodytext, $fdef);
2454 $recipient_copy = (!empty($fdef[1])) ? $fdef[1] : '';
2455 return $recipient_copy;
2456 }
2457
2458 /**
2459 * Sets the jumpurl for page type "External URL"
2460 *
2461 * @return void
2462 */
2463 function setExternalJumpUrl() {
2464 if ($extUrl = $this->sys_page->getExtURL($this->page, $this->config['config']['disablePageExternalUrl'])) {
2465 $this->jumpurl = $extUrl;
2466 }
2467 }
2468
2469 /**
2470 * Check the jumpUrl referer if required
2471 *
2472 * @return void
2473 */
2474 function checkJumpUrlReferer() {
2475 if (strlen($this->jumpurl) && !$this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2476 $referer = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2477 if (isset($referer['host']) && !($referer['host'] == t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'))) {
2478 unset($this->jumpurl);
2479 }
2480 }
2481 }
2482
2483 /**
2484 * Sends a header "Location" to jumpUrl, if jumpurl is set.
2485 * Will exit if a location header is sent (for instance if jumpUrl was triggered)
2486 *
2487 * "jumpUrl" is a concept where external links are redirected from the index_ts.php script, which first logs the URL.
2488 * This feature is only interesting if config.sys_stat is used.
2489 *
2490 * @return void
2491 */
2492 function jumpUrl() {
2493 if ($this->jumpurl) {
2494 if (t3lib_div::_GP('juSecure')) {
2495 $hArr = array(
2496 $this->jumpurl,
2497 t3lib_div::_GP('locationData'),
2498 $this->TYPO3_CONF_VARS['SYS']['encryptionKey']
2499 );
2500 $calcJuHash=t3lib_div::shortMD5(serialize($hArr));
2501 $locationData = t3lib_div::_GP('locationData');
2502 $juHash = t3lib_div::_GP('juHash');
2503 if ($juHash == $calcJuHash) {
2504 if ($this->locDataCheck($locationData)) {
2505 $this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
2506 if (@is_file($this->jumpurl)) {
2507 $mimeType = t3lib_div::_GP('mimeType');
2508 $mimeType = $mimeType ? $mimeType : 'application/octet-stream';
2509 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
2510 header('Content-Type: '.$mimeType);
2511 header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
2512 readfile($this->jumpurl);
2513 exit;
2514 } else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
2515 } else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
2516 } else die('jumpurl Secure: Calculated juHash, '.$calcJuHash.', did not match the submitted juHash.');
2517 } else {
2518 $TSConf = $this->getPagesTSconfig();
2519 if ($TSConf['TSFE.']['jumpUrl_transferSession']) {
2520 $uParts = parse_url($this->jumpurl);
2521 $params = '&FE_SESSION_KEY='.rawurlencode($this->fe_user->id.'-'.md5($this->fe_user->id.'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']));
2522 $this->jumpurl.= ($uParts['query']?'':'?').$params; // Add the session parameter ...
2523 }
2524 if ($TSConf['TSFE.']['jumpURL_HTTPStatusCode']) {
2525 switch (intval($TSConf['TSFE.']['jumpURL_HTTPStatusCode'])){
2526 case 301:
2527 header(t3lib_div::HTTP_STATUS_301);
2528 break;
2529 case 302:
2530 header(t3lib_div::HTTP_STATUS_302);
2531 break;
2532 case 303:
2533 header(t3lib_div::HTTP_STATUS_303);
2534 break;
2535 case 307:
2536 header(t3lib_div::HTTP_STATUS_307);
2537 break;
2538 default:
2539 break;
2540 }
2541 }
2542 header('Location: '.$this->jumpurl);
2543 exit;
2544 }
2545 }
2546 }
2547
2548 /**
2549 * Sets the URL_ID_TOKEN in the internal var, $this->getMethodUrlIdToken
2550 * This feature allows sessions to use a GET-parameter instead of a cookie.
2551 *
2552 * @return void
2553 * @access private
2554 */
2555 function setUrlIdToken() {
2556 if ($this->config['config']['ftu']) {
2557 $this->getMethodUrlIdToken = $this->TYPO3_CONF_VARS['FE']['get_url_id_token'];
2558 } else {
2559 $this->getMethodUrlIdToken = '';
2560 }
2561 }
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585 /********************************************
2586 *
2587 * Page generation; cache handling
2588 *
2589 *******************************************/
2590
2591 /**
2592 * Returns true if the page should be generated
2593 * That is if jumpurl is not set and the cacheContentFlag is not set.
2594 *
2595 * @return boolean
2596 */
2597 function isGeneratePage() {
2598 return (!$this->cacheContentFlag && !$this->jumpurl);
2599 }
2600
2601 /**
2602 * Temp cache content
2603 * 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.
2604 *
2605 * @return void
2606 */
2607 function tempPageCacheContent() {
2608 $this->tempContent = false;
2609
2610 if (!$this->no_cache) {
2611 $seconds = 30;
2612 $title = htmlspecialchars($this->tmpl->printTitle($this->page['title']));
2613 $request_uri = htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI'));
2614
2615 $stdMsg = '
2616 <strong>Page is being generated.</strong><br />
2617 If this message does not disappear within '.$seconds.' seconds, please reload.';
2618
2619 $message = $this->config['config']['message_page_is_being_generated'];
2620 if (strcmp('', $message)) {
2621 $message = $this->csConvObj->utf8_encode($message,$this->renderCharset); // This page is always encoded as UTF-8
2622 $message = str_replace('###TITLE###', $title, $message);
2623 $message = str_replace('###REQUEST_URI###', $request_uri, $message);
2624 } else $message = $stdMsg;
2625
2626 $temp_content = '<?xml version="1.0" encoding="UTF-8"?>
2627 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2628 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2629 <html xmlns="http://www.w3.org/1999/xhtml">
2630 <head>
2631 <title>'.$title.'</title>
2632 <meta http-equiv="refresh" content="10" />
2633 </head>
2634 <body style="background-color:white; font-family:Verdana,Arial,Helvetica,sans-serif; color:#cccccc; text-align:center;">'.
2635 $message.'
2636 </body>
2637 </html>';
2638
2639 // Fix 'nice errors' feature in modern browsers
2640 $padSuffix = '<!--pad-->'; // prevent any trims
2641 $padSize = 768 - strlen($padSuffix) - strlen($temp_content);
2642 if ($padSize > 0) {
2643 $temp_content = str_pad($temp_content, $padSize, "\n") . $padSuffix;
2644 }
2645
2646 if (!$this->headerNoCache() && $cachedRow = $this->getFromCache_queryRow()) {
2647 // 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.
2648 // This is either the "Page is being generated" screen or it can be the final result.
2649 // In any case we should not begin another rendering process also, so we silently disable caching and render the page ourselves and thats it.
2650 // 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...
2651 $this->set_no_cache();
2652 } else {
2653 $this->tempContent = TRUE; // This flag shows that temporary content is put in the cache
2654 $this->setPageCacheContent($temp_content, $this->config, $GLOBALS['EXEC_TIME']+$seconds);
2655 }
2656 }
2657 }
2658
2659 /**
2660 * Set cache content to $this->content
2661 *
2662 * @return void
2663 */
2664 function realPageCacheContent() {
2665 $cache_timeout = $this->get_cache_timeout(); // seconds until a cached page is too old
2666 $timeOutTime = $GLOBALS['EXEC_TIME']+$cache_timeout;
2667 if ($this->config['config']['cache_clearAtMidnight']) {
2668 $midnightTime = mktime (0,0,0,date('m',$timeOutTime),date('d',$timeOutTime),date('Y',$timeOutTime));
2669 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.
2670 $timeOutTime = $midnightTime;
2671 }
2672 }
2673 $this->tempContent = false;
2674 $this->setPageCacheContent($this->content, $this->config, $timeOutTime);
2675
2676 // Hook for cache post processing (eg. writing static files!)
2677 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'])) {
2678 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'] as $_classRef) {
2679 $_procObj = &t3lib_div::getUserObj($_classRef);
2680 $_procObj->insertPageIncache($this,$timeOutTime);
2681 }
2682 }
2683 }
2684
2685 /**
2686 * Sets cache content; Inserts the content string into the cache_pages cache.
2687 *
2688 * @param string The content to store in the HTML field of the cache table
2689 * @param mixed The additional cache_data array, fx. $this->config
2690 * @param integer Expiration timestamp
2691 * @return void
2692 * @see realPageCacheContent(), tempPageCacheContent()
2693 */
2694 function setPageCacheContent($content, $data, $expirationTstamp) {
2695 $this->clearPageCacheContent();
2696
2697 $cacheData = array(
2698 'hash' => $this->newHash,
2699 'page_id' => $this->id,
2700 'HTML' => $content,
2701 'temp_content' => $this->tempContent,
2702 'cache_data' => serialize($data),
2703 'expires' => $expirationTstamp,
2704 'tstamp' => $GLOBALS['EXEC_TIME']
2705 );
2706
2707 $this->cacheExpires = $expirationTstamp;
2708
2709 $this->pageCacheTags[] = 'pageId_' . $cacheData['page_id'];
2710
2711 if ($this->page_cache_reg1) {
2712 $reg1 = intval($this->page_cache_reg1);
2713
2714 $cacheData['reg1'] = $reg1;
2715 $this->pageCacheTags[] = 'reg1_' . $reg1;
2716 }
2717
2718 $this->pageCache->set(
2719 $cacheData['hash'],
2720 $cacheData,
2721 $this->pageCacheTags,
2722 $cacheData['expires'] - $GLOBALS['EXEC_TIME']
2723 );
2724 }
2725
2726 /**
2727 * Clears cache content (for $this->newHash)
2728 *
2729 * @return void
2730 */
2731 function clearPageCacheContent() {
2732 $this->pageCache->remove($this->newHash);
2733 }
2734
2735 /**
2736 * Clears cache content for a list of page ids
2737 *
2738 * @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)
2739 * @return void
2740 */
2741 function clearPageCacheContent_pidList($pidList) {
2742 $pageIds = t3lib_div::trimExplode(',', $pidList);
2743
2744 foreach ($pageIds as $pageId) {
2745 $this->pageCache->flushByTag('pageId_' . (int) $pageId);
2746 }
2747 }
2748
2749 /**
2750 * Sets sys last changed
2751 * Setting the SYS_LASTCHANGED value in the pagerecord: This value will thus be set to the highest tstamp of records rendered on the page. This includes all records with no regard to hidden records, userprotection and so on.
2752 *
2753 * @return void
2754 * @see tslib_cObj::lastChanged()
2755 */
2756 function setSysLastChanged() {
2757 if ($this->page['SYS_LASTCHANGED'] < intval($this->register['SYS_LASTCHANGED'])) {
2758 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='.intval($this->id), array('SYS_LASTCHANGED' => intval($this->register['SYS_LASTCHANGED'])));
2759 }
2760 }
2761
2762 /**
2763 * Lock the page generation process
2764 * The lock is used to queue page requests until this page is successfully stored in the cache.
2765 *
2766 * @param t3lib_lock Reference to a locking object
2767 * @param string String to identify the lock in the system
2768 * @return boolean Returns true if the lock could be obtained, false otherwise (= process had to wait for existing lock to be released)
2769 * @see releasePageGenerationLock()
2770 */
2771 function acquirePageGenerationLock(&$lockObj, $key) {
2772 if ($this->no_cache || $this->headerNoCache()) {
2773 t3lib_div::sysLog('Locking: Page is not cached, no locking required', 'cms', t3lib_div::SYSLOG_SEVERITY_INFO);
2774 return true; // No locking is needed if caching is disabled
2775 }
2776
2777 try {
2778 if (!is_object($lockObj)) {
2779 $className = t3lib_div::makeInstanceClassName('t3lib_lock');
2780 $lockObj = new $className($key, $this->TYPO3_CONF_VARS['SYS']['lockingMode']);
2781 }
2782
2783 $success = false;
2784 if (strlen($key)) {
2785 // true = Page could get locked without blocking
2786 // false = Page could get locked but process was blocked before
2787 $success = $lockObj->acquire();
2788 if ($lockObj->getLockStatus()) {
2789 $lockObj->sysLog('Acquired lock');
2790 }
2791 }
2792 } catch (Exception $e) {
2793 t3lib_div::sysLog('Locking: Failed to acquire lock: '.$e->getMessage(), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2794 $success = false; // If locking fails, return with false and continue without locking
2795 }
2796
2797 return $success;
2798 }
2799
2800 /**
2801 * Release the page generation lock
2802 *
2803 * @param t3lib_lock Reference to a locking object
2804 * @return boolean Returns true on success, false otherwise
2805 * @see acquirePageGenerationLock()
2806 */
2807 function releasePageGenerationLock(&$lockObj) {
2808 $success = false;
2809 // If lock object is set and was acquired (may also happen if no_cache was enabled during runtime), release it:
2810 if (is_object($lockObj) && $lockObj instanceof t3lib_lock && $lockObj->getLockStatus()) {
2811 $success = $lockObj->release();
2812 $lockObj->sysLog('Released lock');
2813 $lockObj = null;
2814 // Otherwise, if caching is disabled, no locking is required:
2815 } elseif ($this->no_cache || $this->headerNoCache()) {
2816 $success = true;
2817 }
2818 return $success;
2819 }
2820
2821 /**
2822 * adds tags to this page's cache entry, you can then f.e. remove cache
2823 * entries by tag
2824 *
2825 * @param array an array of tag
2826 * @return void
2827 */
2828 public function addCacheTags(array $tags) {
2829 $this->pageCacheTags = array_merge($this->pageCacheTags, $tags);
2830 }
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851 /********************************************
2852 *
2853 * Page generation; rendering and inclusion
2854 *
2855 *******************************************/
2856
2857 /**
2858 * Does some processing BEFORE the pagegen script is included.
2859 *
2860 * @return void
2861 */
2862 function generatePage_preProcessing() {
2863 $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!
2864 $this->config['hash_base'] = $this->hash_base; // For cache management informational purposes.
2865
2866 if (!is_object($this->pages_lockObj) || $this->pages_lockObj->getLockStatus()==false) {
2867 // 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.
2868 $this->tempPageCacheContent();
2869 }
2870
2871 // Setting cache_timeout_default. May be overridden by PHP include scritps.
2872 $this->cacheTimeOutDefault = intval($this->config['config']['cache_period']);
2873
2874 // page is generated
2875 $this->no_cacheBeforePageGen = $this->no_cache;
2876 }
2877
2878 /**
2879 * Determines to include custom or pagegen.php script
2880 * returns script-filename if a TypoScript (config) script is defined and should be include instead of pagegen.php
2881 *
2882 * @return string The relative filepath of "config.pageGenScript" if found and allowed
2883 */
2884 function generatePage_whichScript() {
2885 if (!$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude'] && $this->config['config']['pageGenScript']) {
2886 return $this->tmpl->getFileName($this->config['config']['pageGenScript']);
2887 }
2888 }
2889
2890 /**
2891 * Does some processing AFTER the pagegen script is included.
2892 * This includes calling tidy (if configured), XHTML cleaning (if configured), caching the page, indexing the page (if configured) and setting sysLastChanged
2893 *
2894 * @return void
2895 */
2896 function generatePage_postProcessing() {
2897 // 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.
2898 if ($this->no_cacheBeforePageGen) $this->set_no_cache();
2899
2900 // Tidy up the code, if flag...
2901 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'all') {
2902 $GLOBALS['TT']->push('Tidy, all','');
2903 $this->content = $this->tidyHTML($this->content);
2904 $GLOBALS['TT']->pull();
2905 }
2906
2907 // XHTML-clean the code, if flag set
2908 if ($this->doXHTML_cleaning() == 'all') {
2909 $GLOBALS['TT']->push('XHTML clean, all','');
2910 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2911 $this->content = $XHTML_clean->XHTML_clean($this->content);
2912 $GLOBALS['TT']->pull();
2913 }
2914
2915 // Fix local anchors in links, if flag set
2916 if ($this->doLocalAnchorFix() == 'all') {
2917 $GLOBALS['TT']->push('Local anchor fix, all','');
2918 $this->prefixLocalAnchorsWithScript();
2919 $GLOBALS['TT']->pull();
2920 }
2921
2922 // Hook for post-processing of page content cached/non-cached:
2923 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'])) {
2924 $_params = array('pObj' => &$this);
2925 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'] as $_funcRef) {
2926 t3lib_div::callUserFunction($_funcRef,$_params,$this);
2927 }
2928 }
2929
2930 // Processing if caching is enabled:
2931 if (!$this->no_cache) {
2932 // Tidy up the code, if flag...
2933 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'cached') {
2934 $GLOBALS['TT']->push('Tidy, cached','');
2935 $this->content = $this->tidyHTML($this->content);
2936 $GLOBALS['TT']->pull();
2937 }
2938 // XHTML-clean the code, if flag set
2939 if ($this->doXHTML_cleaning() == 'cached') {
2940 $GLOBALS['TT']->push('XHTML clean, cached','');
2941 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2942 $this->content = $XHTML_clean->XHTML_clean($this->content);
2943 $GLOBALS['TT']->pull();
2944 }
2945 // Fix local anchors in links, if flag set
2946 if ($this->doLocalAnchorFix() == 'cached') {
2947 $GLOBALS['TT']->push('Local anchor fix, cached','');
2948 $this->prefixLocalAnchorsWithScript();
2949 $GLOBALS['TT']->pull();
2950 }
2951
2952 // Hook for post-processing of page content before being cached:
2953 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'])) {
2954 $_params = array('pObj' => &$this);
2955 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'] as $_funcRef) {
2956 t3lib_div::callUserFunction($_funcRef,$_params,$this);
2957 }
2958 }
2959 }
2960
2961 // Convert char-set for output: (should be BEFORE indexing of the content (changed 22/4 2005)), because otherwise indexed search might convert from the wrong charset! One thing is that the charset mentioned in the HTML header would be wrong since the output charset (metaCharset) has not been converted to from renderCharset. And indexed search will internally convert from metaCharset to renderCharset so the content MUST be in metaCharset already!
2962 $this->content = $this->convOutputCharset($this->content,'mainpage');
2963
2964 // Hook for indexing pages
2965 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'])) {
2966 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'] as $_classRef) {
2967 $_procObj = &t3lib_div::getUserObj($_classRef);
2968 $_procObj->hook_indexContent($this);
2969 }
2970 }
2971
2972 // Storing for cache:
2973 if (!$this->no_cache) {
2974 $this->realPageCacheContent();
2975 } elseif ($this->tempContent) { // If there happens to be temporary content in the cache and the cache was not cleared due to new content, put it in... ($this->no_cache=0)
2976 $this->clearPageCacheContent();
2977 $this->tempContent = false;
2978 }
2979
2980 // Release open locks
2981 $this->releasePageGenerationLock($this->pagesection_lockObj);
2982 $this->releasePa