a460690a7d70b64f78f55fb77713b389982943ef
[Packages/TYPO3.CMS.git] / typo3 / sysext / cms / tslib / class.tslib_fe.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2008 Kasper Skaarhoj (kasperYYYY@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27
28 /**
29 * Class for the built TypoScript based Front End
30 *
31 * This class has a lot of functions and internal variable which are use from index_ts.php.
32 * The class is instantiated as $GLOBALS['TSFE'] in index_ts.php.
33 * The use of this class should be inspired by the order of function calls as found in index_ts.php.
34 *
35 * $Id$
36 * Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
37 * XHTML compliant
38 *
39 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
40 */
41
42 /**
43 * [CLASS/FUNCTION INDEX of SCRIPT]
44 *
45 *
46 *
47 * 213: class tslib_fe
48 * 382: function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='')
49 * 415: function connectToMySQL()
50 * 425: function connectToDB()
51 * 470: function sendRedirect()
52 *
53 * SECTION: Initializing, resolving page id
54 * 508: function initFEuser()
55 * 558: function initUserGroups()
56 * 593: function isUserOrGroupSet()
57 * 618: function checkAlternativeIdMethods()
58 * 670: function clear_preview()
59 * 683: function determineId()
60 * 817: function fetch_the_id()
61 * 911: function getPageAndRootline()
62 * 994: function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array())
63 * 1044: function checkRootlineForIncludeSection()
64 * 1081: function checkEnableFields($row,$bypassGroupCheck=FALSE)
65 * 1097: function checkPageGroupAccess($row, $groupList=NULL)
66 * 1116: function checkPagerecordForIncludeSection($row)
67 * 1125: function checkIfLoginAllowedInBranch()
68 * 1150: function getPageAccessFailureReasons()
69 * 1182: function setIDfromArgV()
70 * 1198: function getPageAndRootlineWithDomain($domainStartPage)
71 * 1225: function setSysPageWhereClause()
72 * 1237: function findDomainRecord($recursive=0)
73 * 1257: function pageNotFoundAndExit($reason='', $header='')
74 * 1272: function pageNotFoundHandler($code, $header='', $reason='')
75 * 1316: function checkAndSetAlias()
76 * 1335: function idPartsAnalyze($str)
77 * 1360: function mergingWithGetVars($GET_VARS)
78 * 1390: function ADMCMD_preview()
79 * 1433: function ADMCMD_preview_postInit($previewConfig)
80 *
81 * SECTION: Template and caching related functions.
82 * 1465: function makeCacheHash()
83 * 1489: function reqCHash()
84 * 1511: function cHashParams($addQueryParams)
85 * 1520: function initTemplate()
86 * 1532: function getFromCache()
87 * 1578: function getFromCache_queryRow()
88 * 1608: function headerNoCache()
89 * 1637: function getHash()
90 * 1657: function getConfigArray()
91 *
92 * SECTION: Further initialization and data processing
93 * 1818: function getCompressedTCarray()
94 * 1872: function includeTCA($TCAloaded=1)
95 * 1899: function settingLanguage()
96 * 1992: function settingLocale()
97 * 2017: function checkDataSubmission()
98 * 2050: function fe_tce()
99 * 2064: function locDataCheck($locationData)
100 * 2080: function sendFormmail()
101 * 2131: function extractRecipientCopy($bodytext)
102 * 2145: function setExternalJumpUrl()
103 * 2156: function checkJumpUrlReferer()
104 * 2171: function jumpUrl()
105 * 2215: function setUrlIdToken()
106 *
107 * SECTION: Page generation; cache handling
108 * 2258: function isGeneratePage()
109 * 2268: function tempPageCacheContent()
110 * 2325: function realPageCacheContent()
111 * 2355: function setPageCacheContent($content,$data,$tstamp)
112 * 2382: function clearPageCacheContent()
113 * 2392: function clearPageCacheContent_pidList($pidList)
114 * 2426: function setSysLastChanged()
115 *
116 * SECTION: Page generation; rendering and inclusion
117 * 2462: function generatePage_preProcessing()
118 * 2484: function generatePage_whichScript()
119 * 2496: function generatePage_postProcessing()
120 * 2588: function INTincScript()
121 * 2648: function INTincScript_loadJSCode()
122 * 2689: function isINTincScript()
123 * 2698: function doXHTML_cleaning()
124 * 2707: function doLocalAnchorFix()
125 *
126 * SECTION: Finished off; outputting, storing session data, statistics...
127 * 2738: function isOutputting()
128 * 2761: function processOutput()
129 * 2834: function sendCacheHeaders()
130 * 2902: function isStaticCacheble()
131 * 2915: function contentStrReplace()
132 * 2941: function isEXTincScript()
133 * 2950: function storeSessionData()
134 * 2960: function setParseTime()
135 * 2972: function statistics()
136 * 3066: function previewInfo()
137 * 3101: function hook_eofe()
138 * 3117: function beLoginLinkIPList()
139 * 3138: function addTempContentHttpHeaders()
140 *
141 * SECTION: Various internal API functions
142 * 3184: function makeSimulFileName($inTitle,$page,$type,$addParams='',$no_cache='')
143 * 3231: function simulateStaticDocuments_pEnc_onlyP_proc($linkVars)
144 * 3260: function getSimulFileName()
145 * 3271: function setSimulReplacementChar()
146 * 3291: function fileNameASCIIPrefix($inTitle,$titleChars,$mergeChar='.')
147 * 3314: function encryptEmail($string,$back=0)
148 * 3340: function codeString($string, $decode=FALSE)
149 * 3366: function roundTripCryptString($string)
150 * 3386: function checkFileInclude($incFile)
151 * 3401: function newCObj()
152 * 3414: function setAbsRefPrefix()
153 * 3428: function baseUrlWrap($url)
154 * 3447: function printError($label,$header='Error!')
155 * 3458: function updateMD5paramsRecord($hash)
156 * 3469: function tidyHTML($content)
157 * 3495: function prefixLocalAnchorsWithScript()
158 * 3505: function workspacePreviewInit()
159 * 3521: function doWorkspacePreview()
160 * 3531: function whichWorkspace($returnTitle = FALSE)
161 *
162 * SECTION: Various external API functions - for use in plugins etc.
163 * 3589: function getStorageSiterootPids()
164 * 3604: function getPagesTSconfig()
165 * 3637: function setJS($key,$content='')
166 * 3677: function setCSS($key,$content)
167 * 3692: function make_seed()
168 * 3705: function uniqueHash($str='')
169 * 3714: function set_no_cache()
170 * 3724: function set_cache_timeout_default($seconds)
171 * 3740: function plainMailEncoded($email,$subject,$message,$headers='')
172 *
173 * SECTION: Localization and character set conversion
174 * 3784: function sL($input)
175 * 3813: function readLLfile($fileRef)
176 * 3824: function getLLL($index,$LOCAL_LANG)
177 * 3838: function initLLvars()
178 * 3872: function csConv($str,$from='')
179 * 3890: function convOutputCharset($content,$label='')
180 * 3903: function convPOSTCharset()
181 *
182 * TOTAL FUNCTIONS: 116
183 * (This index is automatically created/updated by the extension "extdeveval")
184 *
185 */
186
187 require_once (PATH_t3lib.'class.t3lib_lock.php');
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208 /**
209 * Main frontend class, instantiated in the index_ts.php script as the global object TSFE
210 *
211 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
212 * @package TYPO3
213 * @subpackage tslib
214 */
215 class tslib_fe {
216
217 // CURRENT PAGE:
218 var $id=''; // The page id (int)
219 var $type=''; // RO The type (int)
220 var $idParts=array(); // Loaded with the id, exploded by ','
221 var $cHash=''; // The submitted cHash
222 var $no_cache=''; // Page will not be cached. Write only true. Never clear value (some other code might have reasons to set it true)
223 var $rootLine=''; // The rootLine (all the way to tree root, not only the current site!) (array)
224 var $page=''; // The pagerecord (array)
225 var $contentPid=0; // This will normally point to the same value as id, but can be changed to point to another page from which content will then be displayed instead.
226 protected $originalShortcutPage = null; // gets set when we are processing a page of type shortcut in the early stages opf init.php when we do not know about languages yet, used later in init.php to determine the correct shortcut in case a translation changes the shortcut target (array)
227
228 /**
229 * sys_page-object, pagefunctions
230 *
231 * @var t3lib_pageSelect
232 */
233 var $sys_page='';
234 var $jumpurl='';
235 var $pageNotFound=0; // Is set to 1 if a pageNotFound handler could have been called.
236 var $domainStartPage=0; // Domain start page
237 var $pageAccessFailureHistory=array(); // Array containing a history of why a requested page was not accessible.
238 var $MP='';
239 var $RDCT='';
240 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...
241 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.
242
243 // USER
244
245 /**
246 * The FE user
247 *
248 * @var tslib_feUserAuth
249 */
250 var $fe_user='';
251 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.
252 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...
253 var $beUserLogin=''; // Flag that indicates if a Backend user is logged in!
254 var $workspacePreview=''; // Integer, that indicates which workspace is being previewed.
255 var $loginAllowedInBranch = TRUE; // Shows whether logins are allowed in branch
256 var $ADMCMD_preview_BEUSER_uid = 0; // Integer, set to backend user ID to initialize when keyword-based preview is used.
257
258 // PREVIEW
259 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
260 var $showHiddenPage=''; // Flag indicating that hidden pages should be shown, selected and so on. This goes for almost all selection of pages!
261 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.
262 var $simUserGroup='0'; // Value that contains the simulated usergroup if any
263
264 // CONFIGURATION
265 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.
266 var $config=''; // "CONFIG" object from TypoScript. Array generated based on the TypoScript configuration of the current page. Saved with the cached pages.
267 var $TCAcachedExtras=array(); // Array of cached information from TCA. This is NOT TCA itself!
268
269 // TEMPLATE / CACHE
270
271 /**
272 * The TypoScript template object. Used to parse the TypoScript template
273 *
274 * @var t3lib_TStemplate
275 */
276 var $tmpl='';
277 var $cacheTimeOutDefault=''; // Is set to the time-to-live time of cached pages. If false, default is 60*60*24, which is 24 hours.
278 var $cacheContentFlag = 0; // Set internally if cached content is fetched from the database
279 var $cacheExpires=0; // Set to the expire time of cached content
280 var $isClientCachable=FALSE; // Set if cache headers allowing caching are sent.
281 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.
282 var $sPre=''; // toplevel - objArrayName, eg 'page'
283 var $pSetup=''; // TypoScript configuration of the page-object pointed to by sPre. $this->tmpl->setup[$this->sPre.'.']
284 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
285 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
286 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.
287 var $tempContent = FALSE; // This flag indicates if temporary content went into the cache during page-generation.
288 var $forceTemplateParsing=''; // Boolean, passed to TypoScript template class and tells it to render the template forcibly
289 var $cHash_array=array(); // The array which cHash_calc is based on, see ->makeCacheHash().
290 var $hash_base=''; // Loaded with the serialized array that is used for generating a hashstring for the cache
291 var $pagesTSconfig=''; // May be set to the pagesTSconfig
292 // PAGE-GENERATION / cOBJ
293 /*
294 Eg. insert JS-functions in this array ($additionalHeaderData) to include them once. Use associative keys.
295 Keys in use:
296 JSFormValidate : <script type="text/javascript" src="'.$GLOBALS["TSFE"]->absRefPrefix.'t3lib/jsfunc.validateform.js"></script>
297 JSincludeFormupdate : <script type="text/javascript" src="t3lib/jsfunc.updateform.js"></script>
298 JSMenuCode, JSMenuCode_menu : JavaScript for the JavaScript menu
299 JSCode : reserved
300 JSImgCode : reserved
301 */
302 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[] = '...')
303 var $additionalJavaScript=array(); // used to accumulate additional JavaScript-code. Works like additionalHeaderData. Reserved keys at 'openPic' and 'mouseOver'
304 var $additionalCSS=array(); // used to accumulate additional Style code. Works like additionalHeaderData.
305 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
306 'onmousemove' => array(),
307 'onmouseup' => array(),
308 'onmousemove' => array(),
309 'onkeydown' => array(),
310 'onkeyup' => array(),
311 'onkeypress' => array(),
312 'onload' => array(),
313 'onunload' => array(),
314 );
315 /**
316 * Adds JavaScript code
317 *
318 * @var string
319 * @deprecated since TYPO3 3.5 - use additionalJavaScript instead.
320 */
321 var $JSCode='';
322 var $JSImgCode=''; // Used to accumulate JavaScript loaded images (by menus)
323 var $divSection=''; // Used to accumulate DHTML-layers.
324 var $defaultBodyTag='<body>'; // Default bodytag, if nothing else is set. This can be overridden by applications like TemplaVoila.
325
326 // RENDERING configuration, settings from TypoScript is loaded into these vars. See pagegen.php
327 var $debug=''; // Debug flag, may output special debug html-code.
328 var $intTarget=''; // Default internal target
329 var $extTarget=''; // Default external target
330 var $fileTarget=''; // Default file link target
331 var $MP_defaults=array(); // Keys are page ids and values are default &MP (mount point) values to set when using the linking features...)
332 var $spamProtectEmailAddresses=0; // If set, typolink() function encrypts email addresses. Is set in pagegen-class.
333 var $absRefPrefix=''; // Absolute Reference prefix
334 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 '/'
335 var $compensateFieldWidth=''; // Factor for form-field widths compensation
336 var $lockFilePath=''; // Lock file path
337 var $ATagParams=''; // <A>-tag parameters
338 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.
339 var $sWordList=''; // Is set to the incoming array sword_list in case of a page-view jumped to from a search-result.
340 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.
341 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.
342 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.
343 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.
344 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)
345 var $sys_language_mode=''; // Site language mode for content fall back.
346 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)
347 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...]
348 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")
349
350 // RENDERING data
351 var $applicationData=Array(); // 'Global' Storage for various applications. Keys should be 'tx_'.extKey for extensions.
352 var $register=Array();
353 var $registerStack=Array(); // Stack used for storing array and retrieving register arrays (see LOAD_REGISTER and CLEAR_REGISTER)
354 var $cObjectDepthCounter = 50; // Checking that the function is not called eternally. This is done by interrupting at a depth of 50
355 var $recordRegister = Array(); // used by cObj->RECORDS and cObj->CONTENT to ensure the a records is NOT rendered twice through it!
356 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
357 var $accessKey =array(); // Used by class tslib_menu to keep track of access-keys.
358 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.
359 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
360 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()
361 var $uniqueString='';
362 var $indexedDocTitle=''; // This value will be used as the title for the page in the indexer (if indexing happens)
363 var $altPageTitle=''; // Alternative page title (normally the title of the page record). Can be set from applications you make.
364 /**
365 * An array that holds parameter names (keys) of GET parameters which MAY be MD5/base64 encoded with simulate_static_documents method.
366 * @var array
367 * @deprecated since TYPO3 4.3, remove in TYPO3 4.5
368 */
369 var $pEncAllowedParamNames=array();
370 var $baseUrl=''; // The base URL set for the page header.
371 var $anchorPrefix=''; // The proper anchor prefix needed when using speaking urls. (only set if baseUrl is set)
372
373 /**
374 * Page content render object
375 *
376 * @var tslib_cObj
377 */
378 var $cObj ='';
379
380 // CONTENT accumulation
381 var $content=''; // All page content is accumulated in this variable. See pagegen.php
382
383 // GENERAL
384 var $clientInfo=''; // Set to the browser: net / msie if 4+ browsers
385 var $scriptParseTime=0;
386 var $TCAloaded = 0; // Set ONLY if the full TCA is loaded
387
388 // Character set (charset) conversion object:
389
390 /**
391 * charset conversion class. May be used by any application.
392 *
393 * @var t3lib_cs
394 */
395 var $csConvObj;
396 var $defaultCharSet = 'iso-8859-1'; // The default charset used in the frontend if nothing else is set.
397 var $renderCharset=''; // Internal charset of the frontend during rendering: Defaults to "forceCharset" and if that is not set, to ->defaultCharSet
398 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.
399 var $localeCharset=''; // Assumed charset of locale strings.
400
401 // LANG:
402 var $lang=''; // Set to the system language key (used on the site)
403 var $langSplitIndex=0; // Set to the index number of the language key
404 var $LL_labels_cache=array();
405 var $LL_files_cache=array();
406
407 /**
408 * Locking object
409 *
410 * @var t3lib_lock
411 */
412 var $pagesection_lockObj; // Locking object for accessing "cache_pagesection"
413
414 /**
415 * Locking object
416 *
417 * @var t3lib_lock
418 */
419 var $pages_lockObj; // Locking object for accessing "cache_pages"
420
421 /**
422 * the page cache object, use this to save pages to the cache and to
423 * retrieve them again
424 *
425 * @var t3lib_cache_AbstractBackend
426 */
427 protected $pageCache;
428 protected $pageCacheTags = array();
429
430
431 /**
432 * Class constructor
433 * Takes a number of GET/POST input variable as arguments and stores them internally.
434 * The processing of these variables goes on later in this class.
435 * Also sets internal clientInfo array (browser information) and a unique string (->uniqueString) for this script instance; A md5 hash of the microtime()
436 *
437 * @param array The global $TYPO3_CONF_VARS array. Will be set internally in ->TYPO3_CONF_VARS
438 * @param mixed The value of t3lib_div::_GP('id')
439 * @param integer The value of t3lib_div::_GP('type')
440 * @param boolean The value of t3lib_div::_GP('no_cache'), evaluated to 1/0
441 * @param string The value of t3lib_div::_GP('cHash')
442 * @param string The value of t3lib_div::_GP('jumpurl')
443 * @param string The value of t3lib_div::_GP('MP')
444 * @param string The value of t3lib_div::_GP('RDCT')
445 * @return void
446 * @see index_ts.php
447 */
448 function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='') {
449
450 // Setting some variables:
451 $this->TYPO3_CONF_VARS = $TYPO3_CONF_VARS;
452 $this->id = $id;
453 $this->type = $type;
454 if ($no_cache) {
455 if ($this->TYPO3_CONF_VARS['FE']['disableNoCacheParameter']) {
456 $warning = '&no_cache=1 has been ignored because $TYPO3_CONF_VARS[\'FE\'][\'disableNoCacheParameter\'] is set!';
457 $GLOBALS['TT']->setTSlogMessage($warning,2);
458 } else {
459 $warning = '&no_cache=1 has been supplied, so caching is disabled! URL: "'.t3lib_div::getIndpEnv('TYPO3_REQUEST_URL').'"';
460 $this->no_cache = $no_cache ? 1 : 0;
461 }
462 t3lib_div::sysLog($warning, 'cms', 2);
463 }
464 $this->cHash = $cHash;
465 $this->jumpurl = $jumpurl;
466 $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? (string)$MP : '';
467 $this->RDCT = $RDCT;
468 $this->clientInfo = t3lib_div::clientInfo();
469 $this->uniqueString=md5(microtime());
470
471 $this->csConvObj = t3lib_div::makeInstance('t3lib_cs');
472
473 // Call post processing function for constructor:
474 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'])) {
475 $_params = array('pObj' => &$this);
476 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'] as $_funcRef) {
477 t3lib_div::callUserFunction($_funcRef,$_params,$this);
478 }
479 }
480
481 $this->initCaches();
482 }
483
484 /**
485 * Connect to MySQL database
486 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
487 *
488 * @return void
489 * @deprecated since TYPO3 3.8 - Use connectToDB() instead!
490 */
491 function connectToMySQL() {
492 $this->connectToDB();
493 }
494
495 /**
496 * Connect to SQL database
497 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
498 *
499 * @return void
500 */
501 function connectToDB() {
502 if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
503 if (!TYPO3_db) {
504 $this->printError('No database selected','Database Error');
505 // Redirects to the Install Tool:
506 echo '<script type="text/javascript">
507 /*<![CDATA[*/
508 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
509 /*]]>*/
510 </script>';
511 exit;
512 } elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db)) {
513 if ($this->checkPageUnavailableHandler()) {
514 $this->pageUnavailableAndExit('Cannot connect to the current database, "'.TYPO3_db.'"');
515 } else {
516 $message = 'Cannot connect to the current database, "'.TYPO3_db.'"';
517 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
518 header('HTTP/1.0 503 Service Temporarily Unavailable');
519 $this->printError($message, 'Database Error');
520 exit;
521 }
522 }
523 } else {
524 if (!TYPO3_db) {
525 // Redirects to the Install Tool:
526 echo '<script type="text/javascript">
527 /*<![CDATA[*/
528 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
529 /*]]>*/
530 </script>';
531 exit;
532 }
533
534 if ($this->checkPageUnavailableHandler()) {
535 $this->pageUnavailableAndExit('The current username, password or host was not accepted when the connection to the database was attempted to be established!');
536 } else {
537 $message = 'The current username, password or host was not accepted when the connection to the database was attempted to be established!';
538 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
539 header('HTTP/1.0 503 Service Temporarily Unavailable');
540 $this->printError($message, 'Database Error');
541 exit;
542 }
543 }
544
545
546 // Call post processing function for DB connection:
547 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
548 $_params = array('pObj' => &$this);
549 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
550 t3lib_div::callUserFunction($_funcRef,$_params,$this);
551 }
552 }
553 }
554
555 /**
556 * 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
557 * May exit after sending a location-header.
558 *
559 * @return void
560 */
561 function sendRedirect() {
562 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->RDCT, 'cache_md5params'));
563 if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
564 $this->updateMD5paramsRecord($this->RDCT);
565 header('Location: '.$row['params']);
566 exit;
567 }
568 }
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587 /********************************************
588 *
589 * Initializing, resolving page id
590 *
591 ********************************************/
592
593 /**
594 * Include files necessary for the TYPO3 caching framework. This method will
595 * go away when autoloading is implemented.
596 *
597 * @return void
598 */
599 protected function includeCaches() {
600 $GLOBALS['TT']->push('Including the Caching System','');
601
602 t3lib_div::requireOnce(PATH_t3lib . 'class.t3lib_cache.php');
603
604 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_abstractbackend.php');
605 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_abstractcache.php');
606 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_exception.php');
607 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_factory.php');
608 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_manager.php');
609 t3lib_div::requireOnce(PATH_t3lib . 'cache/class.t3lib_cache_variablecache.php');
610
611 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_classalreadyloaded.php');
612 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_duplicateidentifier.php');
613 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invalidbackend.php');
614 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invalidcache.php');
615 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invaliddata.php');
616 t3lib_div::requireOnce(PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_nosuchcache.php');
617
618 $GLOBALS['TT']->pull();
619 }
620
621 /**
622 * Initializes the caching system.
623 *
624 * @return void
625 */
626 protected function initCaches() {
627 $this->includeCaches();
628
629 $GLOBALS['TT']->push('Initializing the Caching System','');
630
631 $GLOBALS['typo3CacheManager'] = t3lib_div::makeInstance('t3lib_cache_Manager');
632 $cacheFactoryClass = t3lib_div::makeInstanceClassName('t3lib_cache_Factory');
633 $GLOBALS['typo3CacheFactory'] = new $cacheFactoryClass($GLOBALS['typo3CacheManager']);
634
635 try {
636 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
637 'cache_pages'
638 );
639 } catch(t3lib_cache_exception_NoSuchCache $e) {
640 t3lib_cache::initPageCache();
641
642 $this->pageCache = $GLOBALS['typo3CacheManager']->getCache(
643 'cache_pages'
644 );
645 }
646
647 t3lib_cache::initPageSectionCache();
648 t3lib_cache::initContentHashCache();
649
650 $GLOBALS['TT']->pull();
651 }
652
653 /**
654 * Initializes the front-end login user.
655 *
656 * @return void
657 */
658 function initFEuser() {
659 $this->fe_user = t3lib_div::makeInstance('tslib_feUserAuth');
660
661 $this->fe_user->lockIP = $this->TYPO3_CONF_VARS['FE']['lockIP'];
662 $this->fe_user->lockHashKeyWords = $this->TYPO3_CONF_VARS['FE']['lockHashKeyWords'];
663 $this->fe_user->checkPid = $this->TYPO3_CONF_VARS['FE']['checkFeUserPid'];
664 $this->fe_user->lifetime = intval($this->TYPO3_CONF_VARS['FE']['lifetime']);
665 $this->fe_user->checkPid_value = $GLOBALS['TYPO3_DB']->cleanIntList(t3lib_div::_GP('pid')); // List of pid's acceptable
666
667 // Check if a session is transferred:
668 if (t3lib_div::_GP('FE_SESSION_KEY')) {
669 $fe_sParts = explode('-',t3lib_div::_GP('FE_SESSION_KEY'));
670 if (!strcmp(md5($fe_sParts[0].'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']), $fe_sParts[1])) { // If the session key hash check is OK:
671 $_COOKIE[$this->fe_user->name] = $fe_sParts[0];
672 $this->fe_user->forceSetCookie = 1;
673 }
674 }
675
676 if ($this->TYPO3_CONF_VARS['FE']['dontSetCookie']) {
677 $this->fe_user->dontSetCookie=1;
678 }
679
680 $this->fe_user->start();
681 $this->fe_user->unpack_uc('');
682 $this->fe_user->fetchSessionData(); // Gets session data
683 $recs = t3lib_div::_GP('recs');
684 if (is_array($recs)) { // If any record registration is submitted, register the record.
685 $this->fe_user->record_registration($recs, $this->TYPO3_CONF_VARS['FE']['maxSessionDataSize']);
686 }
687
688 // Call hook for possible manipulation of frontend user object
689 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'])) {
690 $_params = array('pObj' => &$this);
691 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'] as $_funcRef) {
692 t3lib_div::callUserFunction($_funcRef,$_params,$this);
693 }
694 }
695
696 // For every 60 seconds the is_online timestamp is updated.
697 if (is_array($this->fe_user->user) && $this->fe_user->user['uid'] && $this->fe_user->user['is_online']<($GLOBALS['EXEC_TIME']-60)) {
698 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('fe_users', 'uid='.intval($this->fe_user->user['uid']), array('is_online' => $GLOBALS['EXEC_TIME']));
699 }
700 }
701
702 /**
703 * Initializes the front-end user groups.
704 * Sets ->loginUser and ->gr_list based on front-end user status.
705 *
706 * @return void
707 */
708 function initUserGroups() {
709
710 $this->fe_user->showHiddenRecords = $this->showHiddenRecords; // This affects the hidden-flag selecting the fe_groups for the user!
711 $this->fe_user->fetchGroupData(); // no matter if we have an active user we try to fetch matching groups which can be set without an user (simulation for instance!)
712
713 if (is_array($this->fe_user->user) && count($this->fe_user->groupData['uid'])) {
714 $this->loginUser=1; // global flag!
715 $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!
716 $gr_array = $this->fe_user->groupData['uid'];
717 } else {
718 $this->loginUser=0;
719 $this->gr_list = '0,-1'; // group -1 is not an existing group, but denotes a 'default' group when not logged in. This is used to let elements be hidden, when a user is logged in!
720
721 if ($this->loginAllowedInBranch) {
722 $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.
723 } else {
724 $gr_array = array(); // Set to blank since we will NOT risk any groups being set when no logins are allowed!
725 }
726 }
727
728 // Clean up.
729 $gr_array = array_unique($gr_array); // Make unique...
730 sort($gr_array); // sort
731 if (count($gr_array)) {
732 $this->gr_list.=','.implode(',',$gr_array);
733 }
734
735 if ($this->fe_user->writeDevLog) t3lib_div::devLog('Valid usergroups for TSFE: '.$this->gr_list, 'tslib_fe');
736 }
737
738 /**
739 * Checking if a user is logged in or a group constellation different from "0,-1"
740 *
741 * @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!)
742 */
743 function isUserOrGroupSet() {
744 return is_array($this->fe_user->user) || $this->gr_list!=='0,-1';
745 }
746
747 /**
748 * Provides ways to bypass the '?id=[xxx]&type=[xx]' format, using either PATH_INFO or virtual HTML-documents (using Apache mod_rewrite)
749 *
750 * Two options:
751 * 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)
752 * 2) Using hook which enables features like those provided from "simulatestatic" or "realurl" extension (AKA "Speaking URLs")
753 *
754 * @return void
755 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&cHash=4ad9d7acb4
756 */
757 function checkAlternativeIdMethods() {
758 $this->siteScript = t3lib_div::getIndpEnv('TYPO3_SITE_SCRIPT');
759
760 // If PATH_INFO
761 if (t3lib_div::getIndpEnv('PATH_INFO')) { // If pathinfo contains stuff...
762 $parts=t3lib_div::trimExplode('/',t3lib_div::getIndpEnv('PATH_INFO'),1);
763 $parts[]='html';
764 $pCount = count($parts);
765 if ($pCount>2) {
766 $this->type = intval($parts[$pCount-2]);
767 $this->id = $parts[$pCount-3];
768 } else {
769 $this->type = 0;
770 $this->id = $parts[0];
771 }
772 $this->absRefPrefix_force=1;
773 }
774
775 // Call post processing function for custom URL methods.
776 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'])) {
777 $_params = array('pObj' => &$this);
778 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'] as $_funcRef) {
779 t3lib_div::callUserFunction($_funcRef,$_params,$this);
780 }
781 }
782 }
783
784 /**
785 * Clears the preview-flags, sets sim_exec_time to current time.
786 * 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.
787 *
788 * @return void
789 */
790 function clear_preview() {
791 $this->showHiddenPage = 0;
792 $this->showHiddenRecords = 0;
793 $GLOBALS['SIM_EXEC_TIME'] = $GLOBALS['EXEC_TIME'];
794 $GLOBALS['SIM_ACCESS_TIME'] = $GLOBALS['ACCESS_TIME'];
795 $this->fePreview = 0;
796 }
797
798 /**
799 * Determines the id and evaluates any preview settings
800 * 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.
801 *
802 * @return void
803 */
804 function determineId() {
805
806 // Getting ARG-v values if some
807 $this->setIDfromArgV();
808
809 // If there is a Backend login we are going to check for any preview settings:
810 $GLOBALS['TT']->push('beUserLogin','');
811 if ($this->beUserLogin || $this->doWorkspacePreview()) {
812
813 // Backend user preview features:
814 if ($this->beUserLogin && ($GLOBALS['BE_USER']->frontendEdit instanceof t3lib_frontendedit)) {
815 $this->fePreview = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview') ? true : false;
816
817 // If admin panel preview is enabled...
818 if ($this->fePreview) {
819 $fe_user_OLD_USERGROUP = $this->fe_user->user['usergroup'];
820
821 $this->showHiddenPage = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'showHiddenPages');
822 $this->showHiddenRecords = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'showHiddenRecords');
823 // simulate date
824 $simTime = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'simulateDate');
825 if ($simTime) {
826 $GLOBALS['SIM_EXEC_TIME'] = $simTime;
827 $GLOBALS['SIM_ACCESS_TIME'] = $simTime - ($simTime % 60);
828 }
829 // simulate user
830 $simUserGroup = $GLOBALS['BE_USER']->frontendEdit->extGetFeAdminValue('preview', 'simulateUserGroup');
831 $this->simUserGroup = $simUserGroup;
832 if ($simUserGroup) $this->fe_user->user['usergroup']=$simUserGroup;
833 if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
834 $this->fePreview=0;
835 }
836 }
837 }
838
839 if ($this->id) {
840
841 // Now it's investigated if the raw page-id points to a hidden page and if so, the flag is set.
842 // This does not require the preview flag to be set in the admin panel
843 $idQ = t3lib_div::testInt($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...
844 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('hidden', 'pages', $idQ.' AND hidden!=0 AND deleted=0');
845 if ($GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
846 $this->fePreview = 1; // The preview flag is set only if the current page turns out to actually be hidden!
847 $this->showHiddenPage = 1;
848 }
849
850 // For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
851 if (!$this->fePreview && $this->whichWorkspace()===0) {
852
853 // Initialize the page-select functions to check rootline:
854 $temp_sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
855 $temp_sys_page->init($this->showHiddenPage);
856 // If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
857 if (!count($temp_sys_page->getRootLine($this->id,$this->MP)) && $temp_sys_page->error_getRootLine_failPid==-1) {
858
859 // Setting versioningPreview flag and try again:
860 $temp_sys_page->versioningPreview = TRUE;
861 if (count($temp_sys_page->getRootLine($this->id,$this->MP))) {
862 // 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.
863 $this->fePreview = 1;
864 }
865 }
866 }
867 }
868
869 // The preview flag will be set if a backend user is in an offline workspace
870 if (($GLOBALS['BE_USER']->user['workspace_preview'] || t3lib_div::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace()===-1 || $this->whichWorkspace()>0)) {
871 $this->fePreview = 2; // Will show special preview message.
872 }
873
874 // If the front-end is showing a preview, caching MUST be disabled.
875 if ($this->fePreview) {
876 $this->set_no_cache();
877 }
878 }
879 $GLOBALS['TT']->pull();
880
881 // Now, get the id, validate access etc:
882 $this->fetch_the_id();
883
884 // Check if backend user has read access to this page. If not, recalculate the id.
885 if ($this->beUserLogin && $this->fePreview) {
886 if (!$GLOBALS['BE_USER']->doesUserHaveAccess($this->page,1)) {
887
888 // Resetting
889 $this->clear_preview();
890 $this->fe_user->user['usergroup'] = $fe_user_OLD_USERGROUP;
891
892 // Fetching the id again, now with the preview settings reset.
893 $this->fetch_the_id();
894 }
895 }
896
897 // Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
898 $this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
899 if (!$this->loginAllowedInBranch) { // Logins are not allowed:
900 if ($this->isUserOrGroupSet()) { // Only if there is a login will we run this...
901
902 // Clear out user and group:
903 unset($this->fe_user->user);
904 $this->gr_list = '0,-1';
905
906 // Fetching the id again, now with the preview settings reset.
907 $this->fetch_the_id();
908 }
909 }
910
911 // Final cleaning.
912 $this->id = $this->contentPid = intval($this->id); // Make sure it's an integer
913 $this->type = intval($this->type); // Make sure it's an integer
914
915 // Look for alternative content PID if page is under version preview:
916 if ($this->fePreview) {
917 if ($this->page['_ORIG_pid']==-1 && $this->page['t3ver_swapmode']==0) { // Current page must have been an offline version and have swapmode set to 0:
918 // 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!
919 $this->contentPid = $this->page['_ORIG_uid'];
920 }
921 }
922
923 // Call post processing function for id determination:
924 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
925 $_params = array('pObj' => &$this);
926 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
927 t3lib_div::callUserFunction($_funcRef,$_params,$this);
928 }
929 }
930 }
931
932 /**
933 * Get The Page ID
934 * This gets the id of the page, checks if the page is in the domain and if the page is accessible
935 * Sets variables such as $this->sys_page, $this->loginUser, $this->gr_list, $this->id, $this->type, $this->domainStartPage, $this->idParts
936 *
937 * @return void
938 * @access private
939 */
940 function fetch_the_id() {
941 $GLOBALS['TT']->push('fetch_the_id initialize/','');
942
943 // Initialize the page-select functions.
944 $this->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
945 $this->sys_page->versioningPreview = ($this->fePreview===2 || intval($this->workspacePreview) || t3lib_div::_GP('ADMCMD_view')) ? TRUE : FALSE;
946 $this->sys_page->versioningWorkspaceId = $this->whichWorkspace();
947 $this->sys_page->init($this->showHiddenPage);
948
949 // Set the valid usergroups for FE
950 $this->initUserGroups();
951
952 // Sets sys_page where-clause
953 $this->setSysPageWhereClause();
954
955 // Splitting $this->id by a period (.). First part is 'id' and second part - if exists - will overrule the &type param if given
956 $pParts = explode('.',$this->id);
957 $this->id = $pParts[0]; // Set it.
958 if (isset($pParts[1])) {$this->type=$pParts[1];}
959
960 // Splitting $this->id by a comma (,). First part is 'id' and other parts are just stored for use in scripts.
961 $this->idParts = explode(',',$this->id);
962
963 // Splitting by a '+' sign - used for base64/md5 methods of parameter encryption for simulate static documents.
964 list($pgID,$SSD_p)=explode('+',$this->idParts[0],2);
965 if ($SSD_p) { $this->idPartsAnalyze($SSD_p); }
966 $this->id = $pgID; // Set id
967
968 // If $this->id is a string, it's an alias
969 $this->checkAndSetAlias();
970
971 // The id and type is set to the integer-value - just to be sure...
972 $this->id = intval($this->id);
973 $this->type = intval($this->type);
974 $GLOBALS['TT']->pull();
975
976 // We find the first page belonging to the current domain
977 $GLOBALS['TT']->push('fetch_the_id domain/','');
978 $this->domainStartPage = $this->findDomainRecord($this->TYPO3_CONF_VARS['SYS']['recursiveDomainSearch']); // the page_id of the current domain
979 if (!$this->id) {
980 if ($this->domainStartPage) {
981 $this->id = $this->domainStartPage; // If the id was not previously set, set it to the id of the domain.
982 } else {
983 $theFirstPage = $this->sys_page->getFirstWebPage($this->id); // Find the first 'visible' page in that domain
984 if ($theFirstPage) {
985 $this->id = $theFirstPage['uid'];
986 } else {
987 if ($this->checkPageUnavailableHandler()) {
988 $this->pageUnavailableAndExit('No pages are found on the rootlevel!');
989 } else {
990 $message = 'No pages are found on the rootlevel!';
991 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
992 header('HTTP/1.0 503 Service Temporarily Unavailable');
993 $this->printError($message);
994 exit;
995 }
996 }
997 }
998 }
999 $GLOBALS['TT']->pull();
1000
1001 $GLOBALS['TT']->push('fetch_the_id rootLine/','');
1002 $requestedId = $this->id; // We store the originally requested id
1003 $this->getPageAndRootlineWithDomain($this->domainStartPage);
1004 $GLOBALS['TT']->pull();
1005
1006 if ($this->pageNotFound && $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1007 $pNotFoundMsg = array(
1008 1 => 'ID was not an accessible page',
1009 2 => 'Subsection was found and not accessible',
1010 3 => 'ID was outside the domain',
1011 4 => 'The requested page alias does not exist'
1012 );
1013 $this->pageNotFoundAndExit($pNotFoundMsg[$this->pageNotFound]);
1014 }
1015
1016 // set no_cache if set
1017 if ($this->page['no_cache']) {
1018 $this->set_no_cache();
1019 }
1020
1021 // Init SYS_LASTCHANGED
1022 $this->register['SYS_LASTCHANGED'] = intval($this->page['tstamp']);
1023 if ($this->register['SYS_LASTCHANGED'] < intval($this->page['SYS_LASTCHANGED'])) {
1024 $this->register['SYS_LASTCHANGED'] = intval($this->page['SYS_LASTCHANGED']);
1025 }
1026 }
1027
1028 /**
1029 * Gets the page and rootline arrays based on the id, $this->id
1030 *
1031 * If the id does not correspond to a proper page, the 'previous' valid page in the rootline is found
1032 * If the page is a shortcut (doktype=4), the ->id is loaded with that id
1033 *
1034 * 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.
1035 *
1036 * Sets or manipulates internal variables such as: $this->id, $this->page, $this->rootLine, $this->MP, $this->pageNotFound
1037 *
1038 * @return void
1039 * @access private
1040 */
1041 function getPageAndRootline() {
1042 $this->page = $this->sys_page->getPage($this->id);
1043 if (!count($this->page)) {
1044 // If no page, we try to find the page before in the rootLine.
1045 $this->pageNotFound=1; // Page is 'not found' in case the id itself was not an accessible page. code 1
1046 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1047 if (count($this->rootLine)) {
1048 $c=count($this->rootLine)-1;
1049 while($c>0) {
1050
1051 // Add to page access failure history:
1052 $this->pageAccessFailureHistory['direct_access'][] = $this->rootLine[$c];
1053
1054 // Decrease to next page in rootline and check the access to that, if OK, set as page record and ID value.
1055 $c--;
1056 $this->id = $this->rootLine[$c]['uid'];
1057 $this->page = $this->sys_page->getPage($this->id);
1058 if (count($this->page)) { break; }
1059 }
1060 }
1061 // If still no page...
1062 if (!count($this->page)) {
1063 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1064 $this->pageNotFoundAndExit('The requested page does not exist!');
1065 } else {
1066 $message = 'The requested page does not exist!';
1067 header('HTTP/1.0 404 Page Not Found');
1068 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1069 $this->printError($message);
1070 exit;
1071 }
1072 }
1073 }
1074
1075 // Spacer is not accessible in frontend
1076 if ($this->page['doktype'] == 199) {
1077 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
1078 $this->pageNotFoundAndExit('The requested page does not exist!');
1079 } else {
1080 $message = 'The requested page does not exist!';
1081 header('HTTP/1.0 404 Page Not Found');
1082 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1083 $this->printError($message);
1084 exit;
1085 }
1086 }
1087
1088 // Is the ID a link to another page??
1089 if ($this->page['doktype']==4) {
1090 $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.
1091
1092 // saving the page so that we can check later - when we know
1093 // about languages - whether we took the correct shortcut or
1094 // whether a translation of the page overwrites the shortcut
1095 // target and we need to follow the new target
1096 $this->originalShortcutPage = $this->page;
1097
1098 $this->page = $this->getPageShortcut($this->page['shortcut'],$this->page['shortcut_mode'],$this->page['uid']);
1099 $this->id = $this->page['uid'];
1100 }
1101
1102 // Gets the rootLine
1103 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1104
1105 // If not rootline we're off...
1106 if (!count($this->rootLine)) {
1107 $ws = $this->whichWorkspace();
1108 if ($this->sys_page->error_getRootLine_failPid==-1 && $ws) {
1109 $this->sys_page->versioningPreview = TRUE;
1110 $this->versioningWorkspaceId = $ws;
1111 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1112 }
1113 if (!count($this->rootLine)) {
1114 if ($this->checkPageUnavailableHandler()) {
1115 $this->pageUnavailableAndExit('The requested page didn\'t have a proper connection to the tree-root!');
1116 } else {
1117 $message = 'The requested page didn\'t have a proper connection to the tree-root! <br /><br />('.$this->sys_page->error_getRootLine.')';
1118 header('HTTP/1.0 503 Service Temporarily Unavailable');
1119 t3lib_div::sysLog(str_replace('<br /><br />','',$message), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1120 $this->printError($message);
1121 exit;
1122 }
1123 }
1124 $this->fePreview = 1;
1125 }
1126
1127 // Checking for include section regarding the hidden/starttime/endtime/fe_user (that is access control of a whole subbranch!)
1128 if ($this->checkRootlineForIncludeSection()) {
1129 if (!count($this->rootLine)) {
1130 if ($this->checkPageUnavailableHandler()) {
1131 $this->pageUnavailableAndExit('The requested page was not accesible!');
1132 } else {
1133 $message = 'The requested page was not accessible!';
1134 header('HTTP/1.0 503 Service Temporarily Unavailable');
1135 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1136 $this->printError($message);
1137 exit;
1138 }
1139 } else {
1140 $el = reset($this->rootLine);
1141 $this->id = $el['uid'];
1142 $this->page = $this->sys_page->getPage($this->id);
1143 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1144 }
1145 }
1146 }
1147
1148 /**
1149 * Get page shortcut; Finds the records pointed to by input value $SC (the shortcut value)
1150 *
1151 * @param integer The value of the "shortcut" field from the pages record
1152 * @param integer The shortcut mode: 1 and 2 will select either first subpage or random subpage; the default is the page pointed to by $SC
1153 * @param integer The current page UID of the page which is a shortcut
1154 * @param integer Safety feature which makes sure that the function is calling itself recursively max 20 times (since this function can find shortcuts to other shortcuts to other shortcuts...)
1155 * @param array An array filled with previous page uids tested by the function - new page uids are evaluated against this to avoid going in circles.
1156 * @return mixed Returns the page record of the page that the shortcut pointed to.
1157 * @access private
1158 * @see getPageAndRootline()
1159 */
1160 function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array()) {
1161 $idArray = t3lib_div::intExplode(',',$SC);
1162
1163 // Find $page record depending on shortcut mode:
1164 switch($mode) {
1165 case 1:
1166 case 2:
1167 $pageArray = $this->sys_page->getMenu($idArray[0]?$idArray[0]:$thisUid,'*','sorting','AND pages.doktype<199 AND pages.doktype!=6');
1168 $pO = 0;
1169 if ($mode==2 && count($pageArray)) { // random
1170 $this->make_seed();
1171 $randval = intval(rand(0,count($pageArray)-1));
1172 $pO = $randval;
1173 }
1174 $c = 0;
1175 reset($pageArray);
1176 while(list(,$pV)=each($pageArray)) {
1177 if ($c==$pO) {
1178 $page = $pV;
1179 break;
1180 }
1181 $c++;
1182 }
1183 break;
1184 default:
1185 $page = $this->sys_page->getPage($idArray[0]);
1186 break;
1187 }
1188
1189 // Check if short cut page was a shortcut itself, if so look up recursively:
1190 if ($page['doktype']==4) {
1191 if (!in_array($page['uid'],$pageLog) && $itera>0) {
1192 $pageLog[] = $page['uid'];
1193 $page = $this->getPageShortcut($page['shortcut'],$page['shortcut_mode'],$page['uid'],$itera-1,$pageLog);
1194 } else {
1195 $pageLog[] = $page['uid'];
1196 $message = 'Page shortcuts were looping in uids '.implode(',',$pageLog).'...!';
1197 header('HTTP/1.0 500 Internal Server Error');
1198 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
1199 $this->printError($message);
1200 exit;
1201 }
1202 }
1203 // Return resulting page:
1204 return $page;
1205 }
1206
1207 /**
1208 * Checks the current rootline for defined sections.
1209 *
1210 * @return boolean
1211 * @access private
1212 */
1213 function checkRootlineForIncludeSection() {
1214 $c=count($this->rootLine);
1215 $removeTheRestFlag=0;
1216
1217 for ($a=0;$a<$c;$a++) {
1218 if (!$this->checkPagerecordForIncludeSection($this->rootLine[$a])) {
1219 // Add to page access failure history:
1220 $this->pageAccessFailureHistory['sub_section'][] = $this->rootLine[$a];
1221 $removeTheRestFlag=1;
1222 }
1223 if ($this->rootLine[$a]['doktype']==6) {
1224 if ($this->beUserLogin) { // If there is a backend user logged in, check if he has read access to the page:
1225 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($this->id).' AND '.$GLOBALS['BE_USER']->getPagePermsClause(1)); // versionOL()?
1226 list($isPage) = $GLOBALS['TYPO3_DB']->sql_fetch_row($res);
1227 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...
1228 } else { // Dont go here, if there is no backend user logged in.
1229 $removeTheRestFlag=1;
1230 }
1231 }
1232 if ($removeTheRestFlag) {
1233 $this->pageNotFound=2; // Page is 'not found' in case a subsection was found and not accessible, code 2
1234 unset($this->rootLine[$a]);
1235 }
1236 }
1237 return $removeTheRestFlag;
1238 }
1239
1240 /**
1241 * Checks page record for enableFields
1242 * Returns true if enableFields does not disable the page record.
1243 * Takes notice of the ->showHiddenPage flag and uses SIM_ACCESS_TIME for start/endtime evaluation
1244 *
1245 * @param array The page record to evaluate (needs fields: hidden, starttime, endtime, fe_group)
1246 * @param boolean Bypass group-check
1247 * @return boolean True, if record is viewable.
1248 * @see tslib_cObj::getTreeList(), checkPagerecordForIncludeSection()
1249 */
1250 function checkEnableFields($row,$bypassGroupCheck=FALSE) {
1251 if ((!$row['hidden'] || $this->showHiddenPage)
1252 && $row['starttime']<=$GLOBALS['SIM_ACCESS_TIME']
1253 && ($row['endtime']==0 || $row['endtime']>$GLOBALS['SIM_ACCESS_TIME'])
1254 && ($bypassGroupCheck || $this->checkPageGroupAccess($row))
1255 ) { return TRUE; }
1256 }
1257
1258 /**
1259 * Check group access against a page record
1260 *
1261 * @param array The page record to evaluate (needs field: fe_group)
1262 * @param mixed List of group id's (comma list or array). Default is $this->gr_list
1263 * @return boolean True, if group access is granted.
1264 * @access private
1265 */
1266 function checkPageGroupAccess($row, $groupList=NULL) {
1267 if(is_null($groupList)) {
1268 $groupList = $this->gr_list;
1269 }
1270 if(!is_array($groupList)) {
1271 $groupList = explode(',', $groupList);
1272 }
1273 $pageGroupList = explode(',', $row['fe_group'] ? $row['fe_group'] : 0);
1274 return count(array_intersect($groupList, $pageGroupList)) > 0;
1275 }
1276
1277 /**
1278 * Checks page record for include section
1279 *
1280 * @param array The page record to evaluate (needs fields: extendToSubpages + hidden, starttime, endtime, fe_group)
1281 * @return boolean Returns true if either extendToSubpages is not checked or if the enableFields does not disable the page record.
1282 * @access private
1283 * @see checkEnableFields(), tslib_cObj::getTreeList(), checkRootlineForIncludeSection()
1284 */
1285 function checkPagerecordForIncludeSection($row) {
1286 return (!$row['extendToSubpages'] || $this->checkEnableFields($row)) ? 1 : 0;
1287 }
1288
1289 /**
1290 * 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!)
1291 *
1292 * @return boolean returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
1293 */
1294 function checkIfLoginAllowedInBranch() {
1295
1296 // Initialize:
1297 $c = count($this->rootLine);
1298 $disable = FALSE;
1299
1300 // Traverse root line from root and outwards:
1301 for ($a=0; $a<$c; $a++) {
1302
1303 // If a value is set for login state:
1304 if ($this->rootLine[$a]['fe_login_mode'] > 0) {
1305
1306 // Determine state from value:
1307 $disable = (int)$this->rootLine[$a]['fe_login_mode'] === 1 ? TRUE : FALSE;
1308 }
1309 }
1310
1311 return !$disable;
1312 }
1313
1314 /**
1315 * 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
1316 *
1317 * @return array Summary of why page access was not allowed.
1318 */
1319 function getPageAccessFailureReasons() {
1320 $output = array();
1321
1322 $combinedRecords = array_merge(
1323 is_array($this->pageAccessFailureHistory['direct_access']) ? $this->pageAccessFailureHistory['direct_access'] : array(array('fe_group'=>0)), // Adding fake first record for direct access if none, otherwise $k==0 below will be indicating a sub-section record to be first direct_access record which is of course false!
1324 is_array($this->pageAccessFailureHistory['sub_section']) ? $this->pageAccessFailureHistory['sub_section'] : array()
1325 );
1326
1327 if (count($combinedRecords)) {
1328 foreach($combinedRecords as $k => $pagerec) {
1329 // 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
1330 // If $k>0 it is parent pages being tested. They are only significant for the access to the first page IF they had the extendToSubpages flag set, hence checked only then!
1331 if (!$k || $pagerec['extendToSubpages']) {
1332 if ($pagerec['hidden']) $output['hidden'][$pagerec['uid']] = TRUE;
1333 if ($pagerec['starttime'] > $GLOBALS['SIM_ACCESS_TIME']) $output['starttime'][$pagerec['uid']] = $pagerec['starttime'];
1334 if ($pagerec['endtime']!=0 && $pagerec['endtime'] <= $GLOBALS['SIM_ACCESS_TIME']) $output['endtime'][$pagerec['uid']] = $pagerec['endtime'];
1335 if (!$this->checkPageGroupAccess($pagerec)) $output['fe_group'][$pagerec['uid']] = $pagerec['fe_group'];
1336 }
1337 }
1338 }
1339
1340 return $output;
1341 }
1342
1343 /**
1344 * This checks if there are ARGV-parameters in the QUERY_STRING and if so, those are used for the id
1345 * $this->id must be 'false' in order for any processing to happen in here
1346 * If an id/alias value is extracted from the QUERY_STRING it is set in $this->id
1347 *
1348 * @return void
1349 * @access private
1350 */
1351 function setIDfromArgV() {
1352 if (!$this->id) {
1353 list($theAlias) = explode('&',t3lib_div::getIndpEnv('QUERY_STRING'));
1354 $theAlias = trim($theAlias);
1355 $this->id = ($theAlias != '' && strpos($theAlias, '=') === false) ? $theAlias : 0;
1356 }
1357 }
1358
1359 /**
1360 * Gets ->page and ->rootline information based on ->id. ->id may change during this operation.
1361 * If not inside domain, then default to first page in domain.
1362 *
1363 * @param integer Page uid of the page where the found domain record is (pid of the domain record)
1364 * @return void
1365 * @access private
1366 */
1367 function getPageAndRootlineWithDomain($domainStartPage) {
1368 $this->getPageAndRootline();
1369
1370 // Checks if the $domain-startpage is in the rootLine. This is necessary so that references to page-id's from other domains are not possible.
1371 if ($domainStartPage && is_array($this->rootLine)) {
1372 reset ($this->rootLine);
1373 $idFound = 0;
1374 while(list($key,$val)=each($this->rootLine)) {
1375 if ($val['uid']==$domainStartPage) {
1376 $idFound=1;
1377 break;
1378 }
1379 }
1380 if (!$idFound) {
1381 $this->pageNotFound=3; // Page is 'not found' in case the id was outside the domain, code 3
1382 $this->id = $domainStartPage;
1383 $this->getPageAndRootline(); //re-get the page and rootline if the id was not found.
1384 }
1385 }
1386 }
1387
1388 /**
1389 * Sets sys_page where-clause
1390 *
1391 * @return void
1392 * @access private
1393 */
1394 function setSysPageWhereClause() {
1395 $this->sys_page->where_hid_del.=' AND pages.doktype<200';
1396 $this->sys_page->where_groupAccess = $this->sys_page->getMultipleGroupsWhereClause('pages.fe_group', 'pages');
1397 }
1398
1399 /**
1400 * Looking up a domain record based on HTTP_HOST
1401 *
1402 * @param boolean If set, it looks "recursively" meaning that a domain like "123.456.typo3.com" would find a domain record like "typo3.com" if "123.456.typo3.com" or "456.typo3.com" did not exist.
1403 * @return integer Returns the page id of the page where the domain record was found.
1404 * @access private
1405 */
1406 function findDomainRecord($recursive=0) {
1407 if ($recursive) {
1408 $host = explode('.',t3lib_div::getIndpEnv('HTTP_HOST'));
1409 while(count($host)) {
1410 $pageUid = $this->sys_page->getDomainStartPage(implode('.',$host),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1411 if ($pageUid) return $pageUid; else array_shift($host);
1412 }
1413 return $pageUid;
1414 } else {
1415 return $this->sys_page->getDomainStartPage(t3lib_div::getIndpEnv('HTTP_HOST'),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1416 }
1417 }
1418
1419 /**
1420 * Page unavailable handler for use in frontend plugins from extensions.
1421 *
1422 * @param string Reason text
1423 * @param string HTTP header to send
1424 * @return void Function exits.
1425 */
1426 function pageUnavailableAndExit($reason='', $header='') {
1427 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling_statheader'];
1428 $this->pageUnavailableHandler($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'], $header, $reason);
1429 exit;
1430 }
1431
1432 /**
1433 * Page-not-found handler for use in frontend plugins from extensions.
1434 *
1435 * @param string Reason text
1436 * @param string HTTP header to send
1437 * @return void Function exits.
1438 */
1439 function pageNotFoundAndExit($reason='', $header='') {
1440 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling_statheader'];
1441 $this->pageNotFoundHandler($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling'], $header, $reason);
1442 exit;
1443 }
1444
1445 /**
1446 * Checks whether the pageUnavailableHandler should be used. To be used, pageUnavailable_handling must be set
1447 * and devIPMask must not match the current visitor's IP address.
1448 *
1449 * @return boolean True/false whether the pageUnavailable_handler should be used.
1450 */
1451 function checkPageUnavailableHandler() {
1452 if($this->TYPO3_CONF_VARS['FE']['pageUnavailable_handling'] &&
1453 !t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $this->TYPO3_CONF_VARS['SYS']['devIPmask'])) {
1454 $checkPageUnavailableHandler = TRUE;
1455 } else {
1456 $checkPageUnavailableHandler = FALSE;
1457 }
1458
1459 return $checkPageUnavailableHandler;
1460 }
1461
1462 /**
1463 * Page unavailable handler. Acts a wrapper for the pageErrorHandler method.
1464 *
1465 * @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 $code value is expected to be a "Location:" header value.
1466 * @param string If set, this is passed directly to the PHP function, header()
1467 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1468 * @return void (The function exits!)
1469 */
1470 function pageUnavailableHandler($code, $header, $reason) {
1471 $this->pageErrorHandler($code, $header, $reason);
1472 }
1473
1474 /**
1475 * Page not found handler. Acts a wrapper for the pageErrorHandler method.
1476 *
1477 * @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 $code value is expected to be a "Location:" header value.
1478 * @param string If set, this is passed directly to the PHP function, header()
1479 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1480 * @return void (The function exits!)
1481 */
1482 function pageNotFoundHandler($code, $header='', $reason='') {
1483 $this->pageErrorHandler($code, $header, $reason);
1484 }
1485
1486 /**
1487 * Generic error page handler.
1488 * Exits.
1489 *
1490 * @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 $code value is expected to be a "Location:" header value.
1491 * @param string If set, this is passed directly to the PHP function, header()
1492 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1493 * @return void (The function exits!)
1494 */
1495 function pageErrorHandler($code, $header='', $reason='') {
1496
1497 // Issue header in any case:
1498 if ($header) {
1499 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1500 foreach ($headerArr as $header) {
1501 header ($header);
1502 }
1503 }
1504
1505 // Create response:
1506 if (gettype($code)=='boolean' || !strcmp($code,1)) { // Simply boolean; Just shows TYPO3 error page with reason:
1507 $this->printError('The page did not exist or was inaccessible.'.($reason ? ' Reason: '.htmlspecialchars($reason) : ''));
1508 } elseif (t3lib_div::isFirstPartOfStr($code,'USER_FUNCTION:')) {
1509 $funcRef = trim(substr($code,14));
1510 $params = array(
1511 'currentUrl' => t3lib_div::getIndpEnv('REQUEST_URI'),
1512 'reasonText' => $reason,
1513 'pageAccessFailureReasons' => $this->getPageAccessFailureReasons()
1514 );
1515 echo t3lib_div::callUserFunction($funcRef,$params,$this);
1516 } elseif (t3lib_div::isFirstPartOfStr($code,'READFILE:')) {
1517 $readFile = t3lib_div::getFileAbsFileName(trim(substr($code,9)));
1518 if (@is_file($readFile)) {
1519 $fileContent = t3lib_div::getUrl($readFile);
1520 $fileContent = str_replace('###CURRENT_URL###', t3lib_div::getIndpEnv('REQUEST_URI'), $fileContent);
1521 $fileContent = str_replace('###REASON###', htmlspecialchars($reason), $fileContent);
1522 echo $fileContent;
1523 } else {
1524 $this->printError('Configuration Error: 404 page "'.$readFile.'" could not be found.');
1525 }
1526 } elseif (t3lib_div::isFirstPartOfStr($code,'REDIRECT:')) {
1527 header('Location: '.t3lib_div::locationHeaderUrl(substr($code,9)));
1528 exit;
1529 } elseif (strlen($code)) {
1530 // Check if URL is relative
1531 $url_parts = parse_url($code);
1532 if ($url_parts['host'] == '') {
1533 $url_parts['host'] = t3lib_div::getIndpEnv('HTTP_HOST');
1534 $code = t3lib_div::getIndpEnv('TYPO3_REQUEST_HOST') . $code;
1535 $checkBaseTag = false;
1536 } else {
1537 $checkBaseTag = true;
1538 }
1539
1540 // Check recursion
1541 if ($code == t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1542 if ($reason == '') {
1543 $reason = 'Page cannot be found.';
1544 }
1545 $reason.= chr(10) . chr(10) . 'Additionally, ' . $code . ' was not found while trying to retrieve the error document.';
1546 $this->printError('Reason: '.nl2br(htmlspecialchars($reason)));
1547 exit();
1548 }
1549
1550 // Prepare headers
1551 $headerArr = array(
1552 'User-agent: ' . t3lib_div::getIndpEnv('HTTP_USER_AGENT'),
1553 'Referer: ' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')
1554 );
1555 $res = t3lib_div::getURL($code, 1, $headerArr);
1556
1557 // Header and content are separated by an empty line
1558 list($header, $content) = preg_split("/[\r\n\r\n]/", $res, 2);
1559 $content.= "\r\n";
1560
1561 if (false === $res) {
1562 // Last chance -- redirect
1563 header('Location: '.t3lib_div::locationHeaderUrl($code));
1564 } else {
1565
1566 $forwardHeaders = array( // Forward these response headers to the client
1567 'Content-Type:',
1568 );
1569 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1570 foreach ($headerArr as $header) {
1571 foreach ($forwardHeaders as $h) {
1572 if (preg_match('/^'.$h.'/', $header)) {
1573 header ($header);
1574 }
1575 }
1576 }
1577 // Put <base> if necesary
1578 if ($checkBaseTag) {
1579
1580 // If content already has <base> tag, we do not need to do anything
1581 if (false === stristr($content, '<base ')) {
1582
1583 // Generate href for base tag
1584 $base = $url_parts['scheme'] . '://';
1585 if ($url_parts['user'] != '') {
1586 $base.= $url_parts['user'];
1587 if ($url_parts['pass'] != '') {
1588 $base.= ':' . $url_parts['pass'];
1589 }
1590 $base.= '@';
1591 }
1592 $base.= $url_parts['host'];
1593
1594 // Add path portion skipping possible file name
1595 $base.= preg_replace('/(.*\/)[^\/]*/', '${1}', $url_parts['path']);
1596
1597 // Put it into content (generate also <head> if necessary)
1598 $replacement = chr(10) . '<base href="' . htmlentities($base) . '" />' . chr(10);
1599 if (stristr($content, '<head>')) {
1600 $content = preg_replace('/(<head>)/i', '\1' . $replacement, $content);
1601 } else {
1602 $content = preg_replace('/(<html[^>]*>)/i', '\1<head>' . $replacement . '</head>', $content);
1603 }
1604 }
1605 }
1606 echo $content; // Output the content
1607 }
1608 } else {
1609 $this->printError($reason ? 'Reason: '.htmlspecialchars($reason) : 'Page cannot be found.');
1610 }
1611 exit();
1612 }
1613
1614 /**
1615 * Fetches the integer page id for a page alias.
1616 * 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 $this->id
1617 *
1618 * @return void
1619 * @access private
1620 */
1621 function checkAndSetAlias() {
1622 if ($this->id && !t3lib_div::testInt($this->id)) {
1623 $aid = $this->sys_page->getPageIdFromAlias($this->id);
1624 if ($aid) {
1625 $this->id = $aid;
1626 } else {
1627 $this->pageNotFound = 4;
1628 }
1629 }
1630 }
1631
1632 /**
1633 * 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 $_GET
1634 * If values for ->cHash, ->no_cache, ->jumpurl and ->MP is found, they are also loaded into the internal vars of this class.
1635 *
1636 * @param string String to analyze
1637 * @return void
1638 * @access private
1639 * @deprecated since TYPO3 4.3, will be removed in TYPO3 4.5, please use the "simulatestatic" sysext directly
1640 */
1641 function idPartsAnalyze($str) {
1642 $GET_VARS = '';
1643 switch(substr($str,0,2)) {
1644 case 'B6':
1645 $addParams = base64_decode(str_replace('_','=',str_replace('-','/',substr($str,2))));
1646 parse_str($addParams,$GET_VARS);
1647 break;
1648 case 'M5':
1649 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr(substr($str,2), 'cache_md5params'));
1650 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1651
1652 $this->updateMD5paramsRecord(substr($str,2));
1653 parse_str($row['params'],$GET_VARS);
1654 break;
1655 }
1656
1657 $this->mergingWithGetVars($GET_VARS);
1658 }
1659
1660 /**
1661 * Merging values into the global $_GET
1662 *
1663 * @param array Array of key/value pairs that will be merged into the current GET-vars. (Non-escaped values)
1664 * @return void
1665 */
1666 function mergingWithGetVars($GET_VARS) {
1667 if (is_array($GET_VARS)) {
1668 $realGet = t3lib_div::_GET(); // Getting $_GET var, unescaped.
1669 if (!is_array($realGet)) $realGet = array();
1670
1671 // Merge new values on top:
1672 $realGet = t3lib_div::array_merge_recursive_overrule($realGet,$GET_VARS);
1673
1674 // Write values back to $_GET:
1675 t3lib_div::_GETset($realGet);
1676
1677 // Setting these specifically (like in the init-function):
1678 if (isset($GET_VARS['type'])) $this->type = intval($GET_VARS['type']);
1679 if (isset($GET_VARS['cHash'])) $this->cHash = $GET_VARS['cHash'];
1680 if (isset($GET_VARS['jumpurl'])) $this->jumpurl = $GET_VARS['jumpurl'];
1681 if (isset($GET_VARS['MP'])) $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? $GET_VARS['MP'] : '';
1682
1683 if (isset($GET_VARS['no_cache']) && $GET_VARS['no_cache']) $this->set_no_cache();
1684 }
1685 }
1686
1687 /**
1688 * Looking for a ADMCMD_prev code, looks it up if found and returns configuration data.
1689 * 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.
1690 * 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.
1691 * 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.
1692 *
1693 * @return array Preview configuration array from sys_preview record.
1694 * @see t3lib_BEfunc::compilePreviewKeyword()
1695 */
1696 function ADMCMD_preview(){
1697 $inputCode = t3lib_div::_GP('ADMCMD_prev');
1698
1699 // If no inputcode and a cookie is set, load input code from cookie:
1700 if (!$inputCode && $_COOKIE['ADMCMD_prev']) {
1701 $inputCode = $_COOKIE['ADMCMD_prev'];
1702 }
1703
1704 // If inputcode now, look up the settings:
1705 if ($inputCode) {
1706
1707 if ($inputCode=='LOGOUT') { // "log out":
1708 SetCookie('ADMCMD_prev', '', 0);
1709 if ($this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']) {
1710 if (@is_file(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'])) {
1711 $message = t3lib_div::getUrl(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']);
1712 } else {
1713 $message = '<b>ERROR!</b><br>Template File "'.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'].'" configured with $TYPO3_CONF_VARS["FE"]["workspacePreviewLogoutTemplate"] not found. Please contact webmaster about this problem.';
1714 }
1715 } else {
1716 $message = 'You logged out from Workspace preview mode. Click this link to <a href="%1$s">go back to the website</a>';
1717 }
1718 die(sprintf($message,
1719 htmlspecialchars(ereg_replace('\&?ADMCMD_prev=[[:alnum:]]+','',t3lib_div::_GET('returnUrl')))
1720 ));
1721 }
1722
1723 // Look for keyword configuration record:
1724 list($previewData) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1725 '*',
1726 'sys_preview',
1727 'keyword='.$GLOBALS['TYPO3_DB']->fullQuoteStr($inputCode, 'sys_preview').
1728 ' AND endtime>'.time()
1729 );
1730
1731 // Get: Backend login status, Frontend login status
1732 // - Make sure to remove fe/be cookies (temporarily); BE already done in ADMCMD_preview_postInit()
1733 if (is_array($previewData)) {
1734 if (!count(t3lib_div::_POST())) {
1735 // Unserialize configuration:
1736 $previewConfig = unserialize($previewData['config']);
1737
1738 if ($previewConfig['fullWorkspace']) { // For full workspace preview we only ADD a get variable to set the preview of the workspace - so all other Get vars are accepted. Hope this is not a security problem. Still posting is not allowed and even if a backend user get initialized it shouldn't lead to situations where users can use those credentials.
1739
1740 // Set the workspace preview value:
1741 t3lib_div::_GETset($previewConfig['fullWorkspace'],'ADMCMD_previewWS');
1742
1743 // 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...
1744 if (t3lib_div::_GP('ADMCMD_prev')) {
1745 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.
1746 }
1747 return $previewConfig;
1748 } elseif (t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode === t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1749
1750 // Set GET variables:
1751 $GET_VARS = '';
1752 parse_str($previewConfig['getVars'], $GET_VARS);
1753 t3lib_div::_GETset($GET_VARS);
1754
1755 // Return preview keyword configuration:
1756 return $previewConfig;
1757 } else die(htmlspecialchars('Request URL did not match "'.t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode.'"')); // This check is to prevent people from setting additional GET vars via realurl or other URL path based ways of passing parameters.
1758 } else die('POST requests are incompatible with keyword preview.');
1759 } else die('ADMCMD command could not be executed! (No keyword configuration found)');
1760 }
1761 }
1762
1763 /**
1764 * Configuration after initialization of TSFE object.
1765 * Basically this unsets the BE cookie if any and forces the BE user set according to the preview configuration.
1766 *
1767 * @param array Preview configuration, see ADMCMD_preview()
1768 * @return void
1769 * @see ADMCMD_preview(), index_ts.php
1770 */
1771 function ADMCMD_preview_postInit($previewConfig){
1772 if (is_array($previewConfig)) {
1773
1774 // Clear cookies:
1775 unset($_COOKIE['be_typo_user']);
1776 $this->ADMCMD_preview_BEUSER_uid = $previewConfig['BEUSER_uid'];
1777
1778 } else die('Error in preview configuration.');
1779 }
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791 /********************************************
1792 *
1793 * Template and caching related functions.
1794 *
1795 *******************************************/
1796
1797 /**
1798 * 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
1799 *
1800 * @return void
1801 * @see reqCHash()
1802 */
1803 function makeCacheHash() {
1804 $GET = t3lib_div::_GET();
1805 if ($this->cHash && is_array($GET)) {
1806 $this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
1807 $cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));
1808
1809 if ($cHash_calc!=$this->cHash) {
1810 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1811 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
1812 } else {
1813 $this->set_no_cache();
1814 $GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$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);
1815 }
1816 }
1817 }
1818 }
1819
1820 /**
1821 * Will disable caching if the cHash value was not set.
1822 * 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)
1823 *
1824 * @return void
1825 * @see makeCacheHash(), tslib_pibase::pi_cHashCheck()
1826 */
1827 function reqCHash() {
1828 if (!$this->cHash) {
1829 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1830 if ($this->tempContent) { $this->clearPageCacheContent(); }
1831 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash empty)');
1832 } else {
1833 $this->set_no_cache();
1834 $GLOBALS['TT']->setTSlogMessage('TSFE->reqCHash(): No &cHash parameter was sent for GET vars though required so caching is disabled',2);
1835 }
1836 }
1837 }
1838
1839 /**
1840 * Splits the input query-parameters into an array with certain parameters filtered out.
1841 * Used to create the cHash value
1842 *
1843 * @param string Query-parameters: "&xxx=yyy&zzz=uuu"
1844 * @return array Array with key/value pairs of query-parameters WITHOUT a certain list of variable names (like id, type, no_cache etc) and WITH a variable, encryptionKey, specific for this server/installation
1845 * @access private
1846 * @see makeCacheHash(), tslib_cObj::typoLink()
1847 * @obsolete
1848 */
1849 function cHashParams($addQueryParams) {
1850 return t3lib_div::cHashParams($addQueryParams);
1851 }
1852
1853 /**
1854 * Initialize the TypoScript template parser
1855 *
1856 * @return void
1857 */
1858 function initTemplate() {
1859 $this->tmpl = t3lib_div::makeInstance('t3lib_TStemplate');
1860 $this->tmpl->init();
1861 $this->tmpl->tt_track= $this->beUserLogin ? 1 : 0;
1862 }
1863
1864 /**
1865 * See if page is in cache and get it if so
1866 * Stores the page content in $this->content if something is found.
1867 *
1868 * @return void
1869 */
1870 function getFromCache() {
1871 if (!$this->no_cache) {
1872 $cc = $this->tmpl->getCurrentPageData();
1873
1874 if (!is_array($cc)) {
1875 $key = $this->id.'::'.$this->MP;
1876 $isLocked = $this->acquirePageGenerationLock($this->pagesection_lockObj, $key); // Returns true if the lock is active now
1877
1878 if (!$isLocked) {
1879 // Lock is no longer active, the data in "cache_pagesection" is now ready
1880 $cc = $this->tmpl->getCurrentPageData();
1881 if (is_array($cc)) {
1882 $this->releasePageGenerationLock($this->pagesection_lockObj); // Release the lock
1883 }
1884 }
1885 }
1886
1887 if (is_array($cc)) {
1888 // 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.
1889 // If this hash is not the same in here in this section and after page-generation, then the page will not be properly cached!
1890 $cc = $this->tmpl->matching($cc); // This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
1891 ksort($cc);
1892
1893 $this->all = $cc;
1894 }
1895 unset($cc);
1896 }
1897
1898 $this->content = ''; // clearing the content-variable, which will hold the pagecontent
1899 unset($this->config); // Unsetting the lowlevel config
1900 $this->cacheContentFlag = 0;
1901
1902 // Look for page in cache only if caching is not disabled and if a shift-reload is not sent to the server.
1903 if (!$this->no_cache && !$this->headerNoCache()) {
1904 $lockHash = $this->getLockHash();
1905
1906 if ($this->all) {
1907 $this->newHash = $this->getHash();
1908
1909 $GLOBALS['TT']->push('Cache Row','');
1910 $row = $this->getFromCache_queryRow();
1911
1912 if (!is_array($row)) {
1913 $isLocked = $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1914
1915 if (!$isLocked) {
1916 // Lock is no longer active, the data in "cache_pages" is now ready
1917 $row = $this->getFromCache_queryRow();
1918 if (is_array($row)) {
1919 $this->releasePageGenerationLock($this->pages_lockObj); // Release the lock
1920 }
1921 }
1922 }
1923
1924 if (is_array($row)) {
1925 // Release this lock
1926 $this->releasePageGenerationLock($this->pages_lockObj);
1927
1928 $this->config = (array)unserialize($row['cache_data']); // Fetches the lowlevel config stored with the cached data
1929 $this->content = $row['HTML']; // Getting the content
1930 $this->tempContent = $row['temp_content']; // Flag for temp content
1931 $this->cacheContentFlag = 1; // Setting flag, so we know, that some cached content has been loaded
1932 $this->cacheExpires = $row['expires'];
1933
1934 if ($this->TYPO3_CONF_VARS['FE']['debug'] || (isset($this->config['config']['debug']) && $this->config['config']['debug'])) {
1935 $dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
1936 $timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
1937
1938 $this->content.= chr(10).'<!-- Cached page generated '.date($dateFormat.' '.$timeFormat, $row['tstamp']).'. Expires '.Date($dateFormat.' '.$timeFormat, $row['expires']).' -->';
1939 }
1940 }
1941 $GLOBALS['TT']->pull();
1942
1943 } else {
1944 $this->acquirePageGenerationLock($this->pages_lockObj, $lockHash);
1945 }
1946 }
1947 }
1948
1949 /**
1950 * Returning the cached version of page with hash = newHash
1951 *
1952 * @return array Cached row, if any. Otherwise void.
1953 */
1954 function getFromCache_queryRow() {
1955 $GLOBALS['TT']->push('Cache Query', '');
1956 $cachedPage = $this->pageCache->get($this->newHash);
1957 $GLOBALS['TT']->pull();
1958
1959 return $cachedPage;
1960 }
1961
1962 /**
1963 * Detecting if shift-reload has been clicked
1964 * Will not be called if re-generation of page happens by other reasons (for instance that the page is not in cache yet!)
1965 * Also, a backend user MUST be logged in for the shift-reload to be detected due to DoS-attack-security reasons.
1966 *
1967 * @return boolean If shift-reload in client browser has been clicked, disable getting cached page (and regenerate it).
1968 */
1969 function headerNoCache() {
1970 $disableAcquireCacheData = FALSE;
1971
1972 if ($this->beUserLogin) {
1973 if (strtolower($_SERVER['HTTP_CACHE_CONTROL'])==='no-cache' || strtolower($_SERVER['HTTP_PRAGMA'])==='no-cache') {
1974 $disableAcquireCacheData = TRUE;
1975 }
1976 }
1977
1978 // Call hook for possible by-pass of requiring of page cache (for recaching purpose)
1979 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'])) {
1980 $_params = array('pObj' => &$this, 'disableAcquireCacheData' => &$disableAcquireCacheData);
1981 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'] as $_funcRef) {
1982 t3lib_div::callUserFunction($_funcRef,$_params,$this);
1983 }
1984 }
1985
1986 return $disableAcquireCacheData;
1987 }
1988
1989 /**
1990 * Calculates the cache-hash
1991 * This hash is unique to the template, the variables ->id, ->type, ->gr_list (list of groups), ->MP (Mount Points) and cHash array
1992 * Used to get and later store the cached data.
1993 *
1994 * @return string MD5 hash of $this->hash_base which is a serialized version of there variables.
1995 * @access private
1996 * @see getFromCache(), getLockHash()
1997 */
1998 function getHash() {
1999 $this->hash_base = serialize(
2000 array(
2001 'all' => $this->all,
2002 'id' => intval($this->id),
2003 'type' => intval($this->type),
2004 'gr_list' => (string)$this->gr_list,
2005 'MP' => (string)$this->MP,
2006 'cHash' => $this->cHash_array
2007 )
2008 );
2009
2010 return md5($this->hash_base);
2011 }
2012
2013 /**
2014 * Calculates the lock-hash
2015 * This hash is unique to the above hash, except that it doesn't contain the template information in $this->all.
2016 *
2017 * @return string MD5 hash
2018 * @access private
2019 * @see getFromCache(), getHash()
2020 */
2021 function getLockHash() {
2022 $lockHash = serialize(
2023 array(
2024 'id' => intval($this->id),
2025 'type' => intval($this->type),
2026 'gr_list' => (string)$this->gr_list,
2027 'MP' => (string)$this->MP,
2028 'cHash' => $this->cHash_array
2029 )
2030 );
2031
2032 return md5($lockHash);
2033 }
2034
2035 /**
2036 * Checks if config-array exists already but if not, gets it
2037 *
2038 * @return void
2039 */
2040 function getConfigArray() {
2041 $setStatPageName = false;
2042
2043 if (!is_array($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
2044 $GLOBALS['TT']->push('Parse template','');
2045
2046 // Force parsing, if set?:
2047 $this->tmpl->forceTemplateParsing = $this->forceTemplateParsing;
2048
2049 // Start parsing the TS template. Might return cached version.
2050 $this->tmpl->start($this->rootLine);
2051 $GLOBALS['TT']->pull();
2052
2053 if ($this->tmpl->loaded) {
2054 $GLOBALS['TT']->push('Setting the config-array','');
2055 // t3lib_div::print_array($this->tmpl->setup);
2056 $this->sPre = $this->tmpl->setup['types.'][$this->type]; // toplevel - objArrayName
2057 $this->pSetup = $this->tmpl->setup[$this->sPre.'.'];
2058
2059 if (!is_array($this->pSetup)) {
2060 if ($this->checkPageUnavailableHandler()) {
2061 $this->pageUnavailableAndExit('The page is not configured! [type= '.$this->type.']['.$this->sPre.']');
2062 } else {
2063 $message = 'The page is not configured! [type= '.$this->type.']['.$this->sPre.']';
2064 header('HTTP/1.0 503 Service Temporarily Unavailable');
2065 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2066 $this->printError($message);
2067 exit;
2068 }
2069 } else {
2070 $this->config['config'] = array();
2071
2072 // Filling the config-array, first with the main "config." part
2073 if (is_array($this->tmpl->setup['config.'])) {
2074 $this->config['config'] = $this->tmpl->setup['config.'];
2075 }
2076 // override it with the page/type-specific "config."
2077 if (is_array($this->pSetup['config.'])) {
2078 $this->config['config'] = t3lib_div::array_merge_recursive_overrule($this->config['config'], $this->pSetup['config.']);
2079 }
2080
2081 if ($this->config['config']['typolinkEnableLinksAcrossDomains']) {
2082 $this->config['config']['typolinkCheckRootline'] = true;
2083 }
2084
2085 // Set default values for removeDefaultJS, inlineStyle2TempFile and minifyJS so CSS and JS are externalized/minified if compatversion is higher than 4.0
2086 if (t3lib_div::compat_version('4.0')) {
2087 if (!isset($this->config['config']['removeDefaultJS'])) {
2088 $this->config['config']['removeDefaultJS'] = 'external';
2089 }
2090 if (!isset($this->config['config']['inlineStyle2TempFile'])) {
2091 $this->config['config']['inlineStyle2TempFile'] = 1;
2092 }
2093 if (!isset($this->config['config']['minifyJS'])) {
2094 $this->config['config']['minifyJS'] = 1;
2095 }
2096 }
2097
2098 // Processing for the config_array:
2099 $this->config['rootLine'] = $this->tmpl->rootLine;
2100 $this->config['mainScript'] = trim($this->config['config']['mainScript']) ? trim($this->config['config']['mainScript']) : 'index.php';
2101
2102 // Initialize statistics handling: Check filename and permissions
2103 $setStatPageName = $this->statistics_init();
2104
2105 $this->config['FEData'] = $this->tmpl->setup['FEData'];
2106 $this->config['FEData.'] = $this->tmpl->setup['FEData.'];
2107 }
2108 $GLOBALS['TT']->pull();
2109 } else {
2110 if ($this->checkPageUnavailableHandler()) {
2111 $this->pageUnavailableAndExit('No TypoScript template found!');
2112 } else {
2113 $message = 'No TypoScript template found!';
2114 header('HTTP/1.0 503 Service Temporarily Unavailable');
2115 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2116 $this->printError($message);
2117 exit;
2118 }
2119 }
2120 }
2121
2122 // Initialize charset settings etc.
2123 $this->initLLvars();
2124
2125 // We want nice names, so we need to handle the charset
2126 if ($setStatPageName) {
2127 $this->statistics_init_pagename();
2128 }
2129
2130 // No cache
2131 if ($this->config['config']['no_cache']) { $this->set_no_cache(); } // Set $this->no_cache true if the config.no_cache value is set!
2132
2133
2134 // Hook for postProcessing the configuration array
2135 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['configArrayPostProc'])) {
2136 $params = array('config' => &$this->config['config']);
2137 foreach ($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['configArrayPostProc'] as $funcRef) {
2138 t3lib_div::callUserFunction($funcRef, $params, $this);
2139 }
2140 }
2141 }
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156 /********************************************
2157 *
2158 * Further initialization and data processing
2159 * (jumpurl/submission of forms)
2160 *
2161 *******************************************/
2162
2163 /**
2164 * Get the compressed $TCA array for use in the front-end
2165 * 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.
2166 * Operates on the global variable, $TCA
2167 *
2168 * @return void
2169 * @see includeTCA()
2170 */
2171 function getCompressedTCarray() {
2172 global $TCA;
2173
2174 $GLOBALS['TT']->push('Get Compressed TC array');
2175 if (!$this->TCAloaded) {
2176 // Create hash string for storage / retrieval of cached content:
2177 $tempHash = md5('tables.php:'.
2178 filemtime(TYPO3_extTableDef_script ? PATH_typo3conf.TYPO3_extTableDef_script : PATH_t3lib.'stddb/tables.php').
2179 (TYPO3_extTableDef_script?filemtime(PATH_typo3conf.TYPO3_extTableDef_script):'').
2180 ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] ? filemtime(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php') : '')
2181 );
2182
2183 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2184 // Try to fetch if cache is enabled
2185 list($TCA, $this->TCAcachedExtras) = unserialize($this->sys_page->getHash($tempHash));
2186 }
2187
2188 // If no result, create it:
2189 if (!is_array($TCA)) {
2190 $this->includeTCA(0);
2191 $newTc = Array();
2192 $this->TCAcachedExtras = array(); // Collects other information
2193
2194 foreach($TCA as $key => $val) {
2195 $newTc[$key]['ctrl'] = $val['ctrl'];
2196 $newTc[$key]['feInterface'] = $val['feInterface'];
2197
2198 // Collect information about localization exclusion of fields:
2199 t3lib_div::loadTCA($key);
2200 if (is_array($TCA[$key]['columns'])) {
2201 $this->TCAcachedExtras[$key]['l10n_mode'] = array();
2202 foreach($TCA[$key]['columns'] as $fN => $fV) {
2203 if ($fV['l10n_mode']) {
2204 $this->TCAcachedExtras[$key]['l10n_mode'][$fN] = $fV['l10n_mode'];
2205 }
2206 }
2207 }
2208 }
2209
2210 $TCA = $newTc;
2211 // Store it in cache if cache is enabled
2212 if ($this->TYPO3_CONF_VARS['EXT']['extCache'] != 0) {
2213 $this->sys_page->storeHash($tempHash, serialize(array($newTc,$this->TCAcachedExtras)), 'SHORT_TC');
2214 }
2215 }
2216 }
2217 $GLOBALS['TT']->pull();
2218 }
2219
2220 /**
2221 * Includes TCA definitions from loaded extensions (ext_table.php files).
2222 * Normally in the frontend only a part of the global $TCA array is loaded,
2223 * namely the "ctrl" part. Thus it doesn't take up too much memory. To load
2224 * full TCA for the table, use t3lib_div::loadTCA($tableName) after calling
2225 * this function.
2226 *
2227 * @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 $this->TCAloaded after inclusion and therefore if its false, another inclusion will be possible on the next call. See ->getCompressedTCarray())
2228 * @return void
2229 * @see getCompressedTCarray()
2230 */
2231 function includeTCA($TCAloaded=1) {
2232 global $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS, $TBE_MODULES;
2233 if (!$this->TCAloaded) {
2234 $TCA = Array();
2235 include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
2236 // Extension additions
2237 if ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE']) {
2238 include(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php');
2239 } else {
2240 include(PATH_t3lib.'stddb/load_ext_tables.php');
2241 }
2242 // ext-script
2243 if (TYPO3_extTableDef_script) {
2244 include (PATH_typo3conf.TYPO3_extTableDef_script);
2245 }
2246
2247 $this->TCAloaded = $TCAloaded;
2248 }
2249 }
2250
2251 /**
2252 * Setting the language key that will be used by the current page.
2253 * 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.
2254 *
2255 * @return void
2256 * @access private
2257 */
2258 function settingLanguage() {
2259
2260 // Get values from TypoScript:
2261 $this->sys_language_uid = $this->sys_language_content = intval($this->config['config']['sys_language_uid']);
2262 list($this->sys_language_mode,$sys_language_content) = t3lib_div::trimExplode(';', $this->config['config']['sys_language_mode']);
2263 $this->sys_language_contentOL = $this->config['config']['sys_language_overlay'];
2264
2265 // If sys_language_uid is set to another language than default:
2266 if ($this->sys_language_uid>0) {
2267
2268 // check whether a shortcut is overwritten by a translated page
2269 // we can only do this now, as this is the place where we get
2270 // to know about translations
2271 $this->checkTranslatedShortcut();
2272
2273 // Request the overlay record for the sys_language_uid:
2274 $olRec = $this->sys_page->getPageOverlay($this->id, $this->sys_language_uid);
2275 if (!count($olRec)) {
2276
2277 // If no OL record exists and a foreign language is asked for...
2278 if ($this->sys_language_uid) {
2279
2280 // If requested translation is not available:
2281 if (t3lib_div::hideIfNotTranslated($this->page['l18n_cfg'])) {
2282 $this->pageNotFoundAndExit('Page is not available in the requested language.');
2283 } else {
2284 switch((string)$this->sys_language_mode) {
2285 case 'strict':
2286 $this->pageNotFoundAndExit('Page is not available in the requested language (strict).');
2287 break;
2288 case 'content_fallback':
2289 $fallBackOrder = t3lib_div::intExplode(',', $sys_language_content);
2290 foreach($fallBackOrder as $orderValue) {
2291 if (!strcmp($orderValue,'0') || count($this->sys_page->getPageOverlay($this->id, $orderValue))) {
2292 $this->sys_language_content = $orderValue; // Setting content uid (but leaving the sys_language_uid)
2293 break;
2294 }
2295 }
2296 break;
2297 case 'ignore':
2298 $this->sys_language_content = $this->sys_language_uid;
2299 break;
2300 default:
2301 // Default is that everything defaults to the default language...
2302 $this->sys_language_uid = $this->sys_language_content = 0;
2303 break;
2304 }
2305 }
2306 }
2307 } else {
2308 // Setting sys_language if an overlay record was found (which it is only if a language is used)
2309 $this->page = $this->sys_page->getPageOverlay($this->page, $this->sys_language_uid);
2310 }
2311 }
2312
2313 // Setting sys_language_uid inside sys-page:
2314 $this->sys_page->sys_language_uid = $this->sys_language_uid;
2315
2316 // If default translation is not available:
2317 if ((!$this->sys_language_uid || !$this->sys_language_content) && $this->page['l18n_cfg']&1) {
2318 $message = 'Page is not available in default language.';
2319 t3lib_div::sysLog($message, 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2320 $this->pageNotFoundAndExit($message);
2321 }
2322
2323 // Updating content of the two rootLines IF the language key is set!
2324 if ($this->sys_language_uid && is_array($this->tmpl->rootLine)) {
2325 reset($this->tmpl->rootLine);
2326 while(list($rLk)=each($this->tmpl->rootLine)) {
2327 $this->tmpl->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->tmpl->rootLine[$rLk]);
2328 }
2329 }
2330 if ($this->sys_language_uid && is_array($this->rootLine)) {
2331 reset($this->rootLine);
2332 while(list($rLk)=each($this->rootLine)) {
2333 $this->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->rootLine[$rLk]);
2334 }
2335 }
2336
2337 // Finding the ISO code:
2338 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"
2339 $sys_language_row = $this->sys_page->getRawRecord('sys_language',$this->sys_language_content,'static_lang_isocode');
2340 if (is_array($sys_language_row) && $sys_language_row['static_lang_isocode']) {
2341 $stLrow = $this->sys_page->getRawRecord('static_languages',$sys_language_row['static_lang_isocode'],'lg_iso_2');
2342 $this->sys_language_isocode = $stLrow['lg_iso_2'];
2343 }
2344 }
2345
2346 // Setting softMergeIfNotBlank:
2347 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softMergeIfNotBlank'],1);
2348 foreach($table_fields as $TF) {
2349 list($tN,$fN) = explode(':',$TF);
2350 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'mergeIfNotBlank';
2351 }
2352
2353 // Setting softExclude:
2354 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softExclude'],1);
2355 foreach($table_fields as $TF) {
2356 list($tN,$fN) = explode(':',$TF);
2357 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'exclude';
2358 }
2359 }
2360
2361 /**
2362 * Setting locale for frontend rendering
2363 *
2364 * @return void
2365 */
2366 function settingLocale() {
2367
2368 // Setting locale
2369 if ($this->config['config']['locale_all']) {
2370 # Change by Rene Fritz, 22/10 2002
2371 # 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
2372 # this does not work in php 4.2.3
2373 #setlocale('LC_ALL',$this->config['config']['locale_all']);
2374 #setlocale('LC_NUMERIC','en_US');
2375
2376 # so we set all except LC_NUMERIC
2377 $locale = setlocale(LC_COLLATE, $this->config['config']['locale_all']);
2378 if ($locale) {
2379 setlocale(LC_CTYPE, $this->config['config']['locale_all']);
2380 setlocale(LC_MONETARY, $this->config['config']['locale_all']);
2381 setlocale(LC_TIME, $this->config['config']['locale_all']);
2382
2383 $this->localeCharset = $this->csConvObj->get_locale_charset($this->config['config']['locale_all']);
2384 } else {
2385 $GLOBALS['TT']->setTSlogMessage('Locale "'.htmlspecialchars($this->config['config']['locale_all']).'" not found.', 3);
2386 }
2387 }
2388 }
2389
2390 /**
2391 * checks whether a translated shortcut page has a different shortcut
2392 * target than the original language page.
2393 * If that is the case, things get corrected to follow that alternative
2394 * shortcut
2395 *
2396 * @return void
2397 * @author Ingo Renner <ingo@typo3.org>
2398 */
2399 protected function checkTranslatedShortcut() {
2400
2401 if (!is_null($this->originalShortcutPage)) {
2402 $originalShortcutPageOverlay = $this->sys_page->getPageOverlay($this->originalShortcutPage['uid'], $this->sys_language_uid);
2403
2404 if (!empty($originalShortcutPageOverlay['shortcut']) && $originalShortcutPageOverlay['shortcut'] != $this->id) {
2405 // the translation of the original shortcut page has a different shortcut target!
2406 // set the correct page and id
2407
2408 $shortcut = $this->getPageShortcut(
2409 $originalShortcutPageOverlay['shortcut'],
2410 $originalShortcutPageOverlay['shortcut_mode'],
2411 $originalShortcutPageOverlay['uid']
2412 );
2413
2414 $this->id = $this->contentPid = $shortcut['uid'];
2415 $this->page = $this->sys_page->getPage($this->id);
2416
2417 // fix various effects on things like menus f.e.
2418 $this->fetch_the_id();
2419 $this->tmpl->rootLine = array_reverse($this->rootLine);
2420 }
2421 }
2422 }
2423
2424 /**
2425 * Checks if any email-submissions or submission via the fe_tce
2426 *
2427 * @return string "email" if a formmail has been sent, "fe_tce" if front-end data submission (like forums, guestbooks) is sent. "" if none.
2428 */
2429 function checkDataSubmission() {
2430 $ret = '';
2431 $formtype_db = isset($_POST['formtype_db']) || isset($_POST['formtype_db_x']);
2432 $formtype_mail = isset($_POST['formtype_mail']) || isset($_POST['formtype_mail_x']);
2433 if ($formtype_db || $formtype_mail) {
2434 $refInfo = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2435 if (t3lib_div::getIndpEnv('TYPO3_HOST_ONLY')==$refInfo['host'] || $this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2436 if ($this->locDataCheck($_POST['locationData'])) {
2437 if ($formtype_mail) {
2438 $ret = 'email';
2439 } elseif ($formtype_db && is_array($_POST['data'])) {
2440 $ret = 'fe_tce';
2441 }
2442 $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": Return value: '.$ret,0);
2443 return $ret;
2444 }
2445 } else $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": HTTP_HOST and REFERER HOST did not match when processing submitted formdata!',3);
2446 }
2447
2448 // Hook for processing data submission to extensions:
2449 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'])) {
2450 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] as $_classRef) {
2451 $_procObj = &t3lib_div::getUserObj($_classRef);
2452 $_procObj->checkDataSubmission($this);
2453 }
2454 }
2455 return $ret;
2456 }
2457
2458 /**
2459 * Processes submitted user data (obsolete "Frontend TCE")
2460 *
2461 * @return void
2462 * @see tslib_feTCE
2463 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=342&cHash=fdf55adb3b
2464 */
2465 function fe_tce() {
2466 $fe_tce = t3lib_div::makeInstance('tslib_feTCE');
2467 $fe_tce->start(t3lib_div::_POST('data'),$this->config['FEData.']);
2468 $fe_tce->includeScripts();
2469 }
2470
2471 /**
2472 * Checks if a formmail submission can be sent as email
2473 *
2474 * @param string The input from $_POST['locationData']
2475 * @return void
2476 * @access private
2477 * @see checkDataSubmission()
2478 */
2479 function locDataCheck($locationData) {
2480 $locData = explode(':',$locationData);
2481 if (!$locData[1] || $this->sys_page->checkRecord($locData[1],$locData[2],1)) {
2482 if (count($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.
2483 return 1;
2484 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: The page pointed to by location data ('.$locationData.') was not accessible.',2);
2485 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: Location data ('.$locationData.') record pointed to was not accessible.',2);
2486 }
2487
2488 /**
2489 * Sends the emails from the formmail content object.
2490 *
2491 * @return void
2492 * @access private
2493 * @see checkDataSubmission()
2494 */
2495 function sendFormmail() {
2496 $formmail = t3lib_div::makeInstance('t3lib_formmail');
2497
2498 $EMAIL_VARS = t3lib_div::_POST();
2499 $locationData = $EMAIL_VARS['locationData'];
2500 unset($EMAIL_VARS['locationData']);
2501 unset($EMAIL_VARS['formtype_mail'], $EMAIL_VARS['formtype_mail_x'], $EMAIL_VARS['formtype_mail_y']);
2502
2503 $integrityCheck = $this->TYPO3_CONF_VARS['FE']['strictFormmail'];
2504
2505 if (!$this->TYPO3_CONF_VARS['FE']['secureFormmail']) {
2506 // Check recipient field:
2507 $encodedFields = explode(',','recipient,recipient_copy'); // These two fields are the ones which contain recipient addresses that can be misused to send mail from foreign servers.
2508 foreach ($encodedFields as $fieldKey) {
2509 if (strlen($EMAIL_VARS[$fieldKey])) {
2510 if ($res = $this->codeString($EMAIL_VARS[$fieldKey], TRUE)) { // Decode...
2511 $EMAIL_VARS[$fieldKey] = $res; // Set value if OK
2512 } elseif ($integrityCheck) { // Otherwise abort:
2513 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. Sending formmail aborted due to security reasons!',3);
2514 return false;
2515 } else {
2516 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. The security level accepts this, but you should consider a correct coding though!',2);
2517 }
2518 }
2519 }
2520 } else {
2521 $locData = explode(':',$locationData);
2522 $record = $this->sys_page->checkRecord($locData[1],$locData[2],1);
2523 $EMAIL_VARS['recipient'] = $record['subheader'];
2524 $EMAIL_VARS['recipient_copy'] = $this->extractRecipientCopy($record['bodytext']);
2525 }
2526
2527 // Hook for preprocessing of the content for formmails:
2528 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'])) {
2529 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'] as $_classRef) {
2530 $_procObj = &t3lib_div::getUserObj($_classRef);
2531 $EMAIL_VARS = $_procObj->sendFormmail_preProcessVariables($EMAIL_VARS,$this);
2532 }
2533 }
2534
2535 $formmail->start($EMAIL_VARS);
2536 $formmail->sendtheMail();
2537 $GLOBALS['TT']->setTSlogMessage('"Formmail" invoked, sending mail to '.$EMAIL_VARS['recipient'],0);
2538 }
2539
2540 /**
2541 * Extracts the value of recipient copy field from a formmail CE bodytext
2542 *
2543 * @param string $bodytext The content of the related bodytext field
2544 * @return string The value of the recipient_copy field, or an empty string
2545 */
2546 function extractRecipientCopy($bodytext) {
2547 $recipient_copy = '';
2548 $fdef = array();
2549 //|recipient_copy=hidden|karsten@localhost.localdomain
2550 preg_match('/^[\s]*\|[\s]*recipient_copy[\s]*=[\s]*hidden[\s]*\|(.*)$/m', $bodytext, $fdef);
2551 $recipient_copy = (!empty($fdef[1])) ? $fdef[1] : '';
2552 return $recipient_copy;
2553 }
2554
2555 /**
2556 * Sets the jumpurl for page type "External URL"
2557 *
2558 * @return void
2559 */
2560 function setExternalJumpUrl() {
2561 if ($extUrl = $this->sys_page->getExtURL($this->page, $this->config['config']['disablePageExternalUrl'])) {
2562 $this->jumpurl = $extUrl;
2563 }
2564 }
2565
2566 /**
2567 * Check the jumpUrl referer if required
2568 *
2569 * @return void
2570 */
2571 function checkJumpUrlReferer() {
2572 if (strlen($this->jumpurl) && !$this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2573 $referer = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2574 if (isset($referer['host']) && !($referer['host'] == t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'))) {
2575 unset($this->jumpurl);
2576 }
2577 }
2578 }
2579
2580 /**
2581 * Sends a header "Location" to jumpUrl, if jumpurl is set.
2582 * Will exit if a location header is sent (for instance if jumpUrl was triggered)
2583 *
2584 * "jumpUrl" is a concept where external links are redirected from the index_ts.php script, which first logs the URL.
2585 * This feature is only interesting if config.sys_stat is used.
2586 *
2587 * @return void
2588 */
2589 function jumpUrl() {
2590 if ($this->jumpurl) {
2591 if (t3lib_div::_GP('juSecure')) {
2592 $hArr = array(
2593 $this->jumpurl,
2594 t3lib_div::_GP('locationData'),
2595 $this->TYPO3_CONF_VARS['SYS']['encryptionKey']
2596 );
2597 $calcJuHash=t3lib_div::shortMD5(serialize($hArr));
2598 $locationData = t3lib_div::_GP('locationData');
2599 $juHash = t3lib_div::_GP('juHash');
2600 if ($juHash == $calcJuHash) {
2601 if ($this->locDataCheck($locationData)) {
2602 $this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
2603 if (@is_file($this->jumpurl)) {
2604 $mimeType = t3lib_div::_GP('mimeType');
2605 $mimeType = $mimeType ? $mimeType : 'application/octet-stream';
2606 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
2607 header('Content-Type: '.$mimeType);
2608 header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
2609 readfile($this->jumpurl);
2610 exit;
2611 } else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
2612 } else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
2613 } else die('jumpurl Secure: Calculated juHash, '.$calcJuHash.', did not match the submitted juHash.');
2614 } else {
2615 $TSConf = $this->getPagesTSconfig();
2616 if ($TSConf['TSFE.']['jumpUrl_transferSession']) {
2617 $uParts = parse_url($this->jumpurl);
2618 $params = '&FE_SESSION_KEY='.rawurlencode($this->fe_user->id.'-'.md5($this->fe_user->id.'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']));
2619 $this->jumpurl.= ($uParts['query']?'':'?').$params; // Add the session parameter ...
2620 }
2621 if ($TSConf['TSFE.']['jumpURL_HTTPStatusCode']) {
2622 switch (intval($TSConf['TSFE.']['jumpURL_HTTPStatusCode'])){
2623 case 301:
2624 header(t3lib_div::HTTP_STATUS_301);
2625 break;
2626 case 302:
2627 header(t3lib_div::HTTP_STATUS_302);
2628 break;
2629 case 303:
2630 header(t3lib_div::HTTP_STATUS_303);
2631 break;
2632 case 307:
2633 header(t3lib_div::HTTP_STATUS_307);
2634 break;
2635 default:
2636 break;
2637 }
2638 }
2639 header('Location: '.$this->jumpurl);
2640 exit;
2641 }
2642 }
2643 }
2644
2645 /**
2646 * Sets the URL_ID_TOKEN in the internal var, $this->getMethodUrlIdToken
2647 * This feature allows sessions to use a GET-parameter instead of a cookie.
2648 *
2649 * @return void
2650 * @access private
2651 */
2652 function setUrlIdToken() {
2653 if ($this->config['config']['ftu']) {
2654 $this->getMethodUrlIdToken = $this->TYPO3_CONF_VARS['FE']['get_url_id_token'];
2655 } else {
2656 $this->getMethodUrlIdToken = '';
2657 }
2658 }
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682 /********************************************
2683 *
2684 * Page generation; cache handling
2685 *
2686 *******************************************/
2687
2688 /**
2689 * Returns true if the page should be generated
2690 * That is if jumpurl is not set and the cacheContentFlag is not set.
2691 *
2692 * @return boolean
2693 */
2694 function isGeneratePage() {
2695 return (!$this->cacheContentFlag && !$this->jumpurl);
2696 }
2697
2698 /**
2699 * Temp cache content
2700 * 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.
2701 *
2702 * @return void
2703 */
2704 function tempPageCacheContent() {
2705 $this->tempContent = false;
2706
2707 if (!$this->no_cache) {
2708 $seconds = 30;
2709 $title = htmlspecialchars($this->tmpl->printTitle($this->page['title']));
2710 $request_uri = htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI'));
2711
2712 $stdMsg = '
2713 <strong>Page is being generated.</strong><br />
2714 If this message does not disappear within '.$seconds.' seconds, please reload.';
2715
2716 $message = $this->config['config']['message_page_is_being_generated'];
2717 if (strcmp('', $message)) {
2718 $message = $this->csConvObj->utf8_encode($message,$this->renderCharset); // This page is always encoded as UTF-8
2719 $message = str_replace('###TITLE###', $title, $message);
2720 $message = str_replace('###REQUEST_URI###', $request_uri, $message);
2721 } else $message = $stdMsg;
2722
2723 $temp_content = '<?xml version="1.0" encoding="UTF-8"?>
2724 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2725 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2726 <html xmlns="http://www.w3.org/1999/xhtml">
2727 <head>
2728 <title>'.$title.'</title>
2729 <meta http-equiv="refresh" content="10" />
2730 </head>
2731 <body style="background-color:white; font-family:Verdana,Arial,Helvetica,sans-serif; color:#cccccc; text-align:center;">'.
2732 $message.'
2733 </body>
2734 </html>';
2735
2736 // Fix 'nice errors' feature in modern browsers
2737 $padSuffix = '<!--pad-->'; // prevent any trims
2738 $padSize = 768 - strlen($padSuffix) - strlen($temp_content);
2739 if ($padSize > 0) {
2740 $temp_content = str_pad($temp_content, $padSize, "\n") . $padSuffix;
2741 }
2742
2743 if (!$this->headerNoCache() && $cachedRow = $this->getFromCache_queryRow()) {
2744 // 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.
2745 // This is either the "Page is being generated" screen or it can be the final result.
2746 // In any case we should not begin another rendering process also, so we silently disable caching and render the page ourselves and thats it.
2747 // 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...
2748 $this->set_no_cache();
2749 } else {
2750 $this->tempContent = TRUE; // This flag shows that temporary content is put in the cache
2751 $this->setPageCacheContent($temp_content, $this->config, $GLOBALS['EXEC_TIME']+$seconds);
2752 }
2753 }
2754 }
2755
2756 /**
2757 * Set cache content to $this->content
2758 *
2759 * @return void
2760 */
2761 function realPageCacheContent() {
2762 $cache_timeout = $this->get_cache_timeout(); // seconds until a cached page is too old
2763 $timeOutTime = $GLOBALS['EXEC_TIME']+$cache_timeout;
2764 if ($this->config['config']['cache_clearAtMidnight']) {
2765 $midnightTime = mktime (0,0,0,date('m',$timeOutTime),date('d',$timeOutTime),date('Y',$timeOutTime));
2766 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.
2767 $timeOutTime = $midnightTime;
2768 }
2769 }
2770 $this->tempContent = false;
2771 $this->setPageCacheContent($this->content, $this->config, $timeOutTime);
2772
2773 // Hook for cache post processing (eg. writing static files!)
2774 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'])) {
2775 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'] as $_classRef) {
2776 $_procObj = &t3lib_div::getUserObj($_classRef);
2777 $_procObj->insertPageIncache($this,$timeOutTime);
2778 }
2779 }
2780 }
2781
2782 /**
2783 * Sets cache content; Inserts the content string into the cache_pages cache.
2784 *
2785 * @param string The content to store in the HTML field of the cache table
2786 * @param mixed The additional cache_data array, fx. $this->config
2787 * @param integer Expiration timestamp
2788 * @return void
2789 * @see realPageCacheContent(), tempPageCacheContent()
2790 */
2791 function setPageCacheContent($content, $data, $expirationTstamp) {
2792 $this->clearPageCacheContent();
2793
2794 $cacheData = array(
2795 'hash' => $this->newHash,
2796 'page_id' => $this->id,
2797 'HTML' => $content,
2798 'temp_content' => $this->tempContent,
2799 'cache_data' => serialize($data),
2800 'expires' => $expirationTstamp,
2801 'tstamp' => $GLOBALS['EXEC_TIME']
2802 );
2803
2804 $this->cacheExpires = $expirationTstamp;
2805
2806 $this->pageCacheTags[] = 'pageId_' . $cacheData['page_id'];
2807
2808 if ($this->page_cache_reg1) {
2809 $reg1 = intval($this->page_cache_reg1);
2810
2811 $cacheData['reg1'] = $reg1;
2812 $this->pageCacheTags[] = 'reg1_' . $reg1;
2813 }
2814
2815 $this->pageCache->set(
2816 $cacheData['hash'],
2817 $cacheData,
2818 $this->pageCacheTags,
2819 $cacheData['expires'] - $GLOBALS['EXEC_TIME']
2820 );
2821 }
2822
2823 /**
2824 * Clears cache content (for $this->newHash)
2825 *
2826 * @return void
2827 */
2828 function clearPageCacheContent() {
2829 $this->pageCache->remove($this->newHash);
2830 }
2831
2832 /**
2833 * Clears cache content for a list of page ids
2834 *
2835 * @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)
2836 * @return void
2837 */
2838 function clearPageCacheContent_pidList($pidList) {
2839 $pageIds = t3lib_div::trimExplode(',', $pidList);
2840
2841 foreach ($pageIds as $pageId) {
2842 $this->pageCache->flushByTag('pageId_' . (int) $pageId);
2843 }
2844 }
2845
2846 /**
2847 * Sets sys last changed
2848 * Setting the SYS_LASTCHANGED value in the pagerecord: This value will thus be set to the highest tstamp of records rendered on the page. This includes all records with no regard to hidden records, userprotection and so on.
2849 *
2850 * @return void
2851 * @see tslib_cObj::lastChanged()
2852 */
2853 function setSysLastChanged() {
2854 if ($this->page['SYS_LASTCHANGED'] < intval($this->register['SYS_LASTCHANGED'])) {
2855 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='.intval($this->id), array('SYS_LASTCHANGED' => intval($this->register['SYS_LASTCHANGED'])));
2856 }
2857 }
2858
2859 /**
2860 * Lock the page generation process
2861 * The lock is used to queue page requests until this page is successfully stored in the cache.
2862 *
2863 * @param t3lib_lock Reference to a locking object
2864 * @param string String to identify the lock in the system
2865 * @return boolean Returns true if the lock could be obtained, false otherwise (= process had to wait for existing lock to be released)
2866 * @see releasePageGenerationLock()
2867 */
2868 function acquirePageGenerationLock(&$lockObj, $key) {
2869 if ($this->no_cache || $this->headerNoCache()) {
2870 t3lib_div::sysLog('Locking: Page is not cached, no locking required', 'cms', t3lib_div::SYSLOG_SEVERITY_INFO);
2871 return true; // No locking is needed if caching is disabled
2872 }
2873
2874 try {
2875 if (!is_object($lockObj)) {
2876 $className = t3lib_div::makeInstanceClassName('t3lib_lock');
2877 $lockObj = new $className($key, $this->TYPO3_CONF_VARS['SYS']['lockingMode']);
2878 }
2879
2880 $success = false;
2881 if (strlen($key)) {
2882 // true = Page could get locked without blocking
2883 // false = Page could get locked but process was blocked before
2884 $success = $lockObj->acquire();
2885 if ($lockObj->getLockStatus()) {
2886 $lockObj->sysLog('Acquired lock');
2887 }
2888 }
2889 } catch (Exception $e) {
2890 t3lib_div::sysLog('Locking: Failed to acquire lock: '.$e->getMessage(), 'cms', t3lib_div::SYSLOG_SEVERITY_ERROR);
2891 $success = false; // If locking fails, return with false and continue without locking
2892 }
2893
2894 return $success;
2895 }
2896
2897 /**
2898 * Release the page generation lock
2899 *
2900 * @param t3lib_lock Reference to a locking object
2901 * @return boolean Returns true on success, false otherwise
2902 * @see acquirePageGenerationLock()
2903 */
2904 function releasePageGenerationLock(&$lockObj) {
2905 $success = false;
2906 // If lock object is set and was acquired (may also happen if no_cache was enabled during runtime), release it:
2907 if (is_object($lockObj) && $lockObj instanceof t3lib_lock && $lockObj->getLockStatus()) {
2908 $success = $lockObj->release();
2909 $lockObj->sysLog('Released lock');
2910 $lockObj = null;
2911 // Otherwise, if caching is disabled, no locking is required:
2912 } elseif ($this->no_cache || $this->headerNoCache()) {
2913 $success = true;
2914 }
2915 return $success;
2916 }
2917
2918 /**
2919 * adds tags to this page's cache entry, you can then f.e. remove cache
2920 * entries by tag
2921 *
2922 * @param array an array of tag
2923 * @return void
2924 */
2925 public function addCacheTags(array $tags) {
2926 $this->pageCacheTags = array_merge($this->pageCacheTags, $tags);
2927 }
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948 /********************************************
2949 *
2950 * Page generation; rendering and inclusion
2951 *
2952 *******************************************/
2953
2954 /**
2955 * Does some processing BEFORE the pagegen script is included.
2956 *
2957 * @return void
2958 */
2959 function generatePage_preProcessing() {
2960 $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!
2961 $this->config['hash_base'] = $this->hash_base; // For cache management informational purposes.
2962
2963 if (!is_object($this->pages_lockObj) || $this->pages_lockObj->getLockStatus()==false) {
2964 // 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.
2965 $this->tempPageCacheContent();
2966 }
2967
2968 // Setting cache_timeout_default. May be overridden by PHP include scritps.
2969 $this->cacheTimeOutDefault = intval($this->config['config']['cache_period']);
2970
2971 // page is generated
2972 $this->no_cacheBeforePageGen = $this->no_cache;
2973 }
2974
2975 /**
2976 * Determines to include custom or pagegen.php script
2977 * returns script-filename if a TypoScript (config) script is defined and should be include instead of pagegen.php
2978 *
2979 * @return string The relative filepath of "config.pageGenScript" if found and allowed
2980 */
2981 function generatePage_whichScript() {
2982 if (!$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude'] && $this->config['config']['pageGenScript']) {
2983 return $this->tmpl->getFileName($this->config['config']['pageGenScript']);
2984 }
2985 }
2986
2987 /**
2988 * Does some processing AFTER the pagegen script is included.
2989 * This includes calling tidy (if configured), XHTML cleaning (if configured), caching the page, indexing the page (if configured) and setting sysLastChanged
2990 *
2991 * @return void
2992 */
2993 function generatePage_postProcessing() {
2994 // 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.