#7351: Introduce / to improve Mysql query cache usage
[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 * Class for the built TypoScript based Front End
29 *
30 * This class has a lot of functions and internal variable which are use from index_ts.php.
31 * The class is instantiated as $GLOBALS['TSFE'] in index_ts.php.
32 * The use of this class should be inspired by the order of function calls as found in index_ts.php.
33 *
34 * $Id$
35 * Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
36 * XHTML compliant
37 *
38 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
39 */
40 /**
41 * [CLASS/FUNCTION INDEX of SCRIPT]
42 *
43 *
44 *
45 * 213: class tslib_fe
46 * 382: function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='')
47 * 415: function connectToMySQL()
48 * 425: function connectToDB()
49 * 470: function sendRedirect()
50 *
51 * SECTION: Initializing, resolving page id
52 * 508: function initFEuser()
53 * 558: function initUserGroups()
54 * 593: function isUserOrGroupSet()
55 * 618: function checkAlternativeIdMethods()
56 * 670: function clear_preview()
57 * 683: function determineId()
58 * 817: function fetch_the_id()
59 * 911: function getPageAndRootline()
60 * 994: function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array())
61 * 1044: function checkRootlineForIncludeSection()
62 * 1081: function checkEnableFields($row,$bypassGroupCheck=FALSE)
63 * 1097: function checkPageGroupAccess($row, $groupList=NULL)
64 * 1116: function checkPagerecordForIncludeSection($row)
65 * 1125: function checkIfLoginAllowedInBranch()
66 * 1150: function getPageAccessFailureReasons()
67 * 1182: function setIDfromArgV()
68 * 1198: function getPageAndRootlineWithDomain($domainStartPage)
69 * 1225: function setSysPageWhereClause()
70 * 1237: function findDomainRecord($recursive=0)
71 * 1257: function pageNotFoundAndExit($reason='', $header='')
72 * 1272: function pageNotFoundHandler($code, $header='', $reason='')
73 * 1316: function checkAndSetAlias()
74 * 1335: function idPartsAnalyze($str)
75 * 1360: function mergingWithGetVars($GET_VARS)
76 * 1390: function ADMCMD_preview()
77 * 1433: function ADMCMD_preview_postInit($previewConfig)
78 *
79 * SECTION: Template and caching related functions.
80 * 1465: function makeCacheHash()
81 * 1489: function reqCHash()
82 * 1511: function cHashParams($addQueryParams)
83 * 1520: function initTemplate()
84 * 1532: function getFromCache()
85 * 1578: function getFromCache_queryRow()
86 * 1608: function headerNoCache()
87 * 1637: function getHash()
88 * 1657: function getConfigArray()
89 *
90 * SECTION: Further initialization and data processing
91 * 1818: function getCompressedTCarray()
92 * 1872: function includeTCA($TCAloaded=1)
93 * 1899: function settingLanguage()
94 * 1992: function settingLocale()
95 * 2017: function checkDataSubmission()
96 * 2050: function fe_tce()
97 * 2064: function locDataCheck($locationData)
98 * 2080: function sendFormmail()
99 * 2131: function extractRecipientCopy($bodytext)
100 * 2145: function setExternalJumpUrl()
101 * 2156: function checkJumpUrlReferer()
102 * 2171: function jumpUrl()
103 * 2215: function setUrlIdToken()
104 *
105 * SECTION: Page generation; cache handling
106 * 2258: function isGeneratePage()
107 * 2268: function tempPageCacheContent()
108 * 2325: function realPageCacheContent()
109 * 2355: function setPageCacheContent($content,$data,$tstamp)
110 * 2382: function clearPageCacheContent()
111 * 2392: function clearPageCacheContent_pidList($pidList)
112 * 2403: function pageCachePostProcess(&$row,$type)
113 * 2426: function setSysLastChanged()
114 *
115 * SECTION: Page generation; rendering and inclusion
116 * 2462: function generatePage_preProcessing()
117 * 2484: function generatePage_whichScript()
118 * 2496: function generatePage_postProcessing()
119 * 2588: function INTincScript()
120 * 2648: function INTincScript_loadJSCode()
121 * 2689: function isINTincScript()
122 * 2698: function doXHTML_cleaning()
123 * 2707: function doLocalAnchorFix()
124 *
125 * SECTION: Finished off; outputting, storing session data, statistics...
126 * 2738: function isOutputting()
127 * 2761: function processOutput()
128 * 2834: function sendCacheHeaders()
129 * 2902: function isStaticCacheble()
130 * 2915: function contentStrReplace()
131 * 2941: function isEXTincScript()
132 * 2950: function storeSessionData()
133 * 2960: function setParseTime()
134 * 2972: function statistics()
135 * 3066: function previewInfo()
136 * 3101: function hook_eofe()
137 * 3117: function beLoginLinkIPList()
138 * 3138: function addTempContentHttpHeaders()
139 *
140 * SECTION: Various internal API functions
141 * 3184: function makeSimulFileName($inTitle,$page,$type,$addParams='',$no_cache='')
142 * 3231: function simulateStaticDocuments_pEnc_onlyP_proc($linkVars)
143 * 3260: function getSimulFileName()
144 * 3271: function setSimulReplacementChar()
145 * 3291: function fileNameASCIIPrefix($inTitle,$titleChars,$mergeChar='.')
146 * 3314: function encryptEmail($string,$back=0)
147 * 3340: function codeString($string, $decode=FALSE)
148 * 3366: function roundTripCryptString($string)
149 * 3386: function checkFileInclude($incFile)
150 * 3401: function newCObj()
151 * 3414: function setAbsRefPrefix()
152 * 3428: function baseUrlWrap($url)
153 * 3447: function printError($label,$header='Error!')
154 * 3458: function updateMD5paramsRecord($hash)
155 * 3469: function tidyHTML($content)
156 * 3495: function prefixLocalAnchorsWithScript()
157 * 3505: function workspacePreviewInit()
158 * 3521: function doWorkspacePreview()
159 * 3531: function whichWorkspace($returnTitle = FALSE)
160 *
161 * SECTION: Various external API functions - for use in plugins etc.
162 * 3589: function getStorageSiterootPids()
163 * 3604: function getPagesTSconfig()
164 * 3637: function setJS($key,$content='')
165 * 3677: function setCSS($key,$content)
166 * 3692: function make_seed()
167 * 3705: function uniqueHash($str='')
168 * 3714: function set_no_cache()
169 * 3724: function set_cache_timeout_default($seconds)
170 * 3740: function plainMailEncoded($email,$subject,$message,$headers='')
171 *
172 * SECTION: Localization and character set conversion
173 * 3784: function sL($input)
174 * 3813: function readLLfile($fileRef)
175 * 3824: function getLLL($index,$LOCAL_LANG)
176 * 3838: function initLLvars()
177 * 3872: function csConv($str,$from='')
178 * 3890: function convOutputCharset($content,$label='')
179 * 3903: function convPOSTCharset()
180 *
181 * TOTAL FUNCTIONS: 116
182 * (This index is automatically created/updated by the extension "extdeveval")
183 *
184 */
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205
206 /**
207 * Main frontend class, instantiated in the index_ts.php script as the global object TSFE
208 *
209 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
210 * @package TYPO3
211 * @subpackage tslib
212 */
213 class tslib_fe {
214
215 // CURRENT PAGE:
216 var $id=''; // The page id (int)
217 var $type=''; // RO The type (int)
218 var $idParts=array(); // Loaded with the id, exploded by ','
219 var $cHash=''; // The submitted cHash
220 var $no_cache=''; // Page will not be cached. Write only true. Never clear value (some other code might have reasons to set it true)
221 var $rootLine=''; // The rootLine (all the way to tree root, not only the current site!) (array)
222 var $page=''; // The pagerecord (array)
223 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.
224
225 /**
226 * sys_page-object, pagefunctions
227 *
228 * @var t3lib_pageSelect
229 */
230 var $sys_page='';
231 var $jumpurl='';
232 var $pageNotFound=0; // Is set to 1 if a pageNotFound handler could have been called.
233 var $domainStartPage=0; // Domain start page
234 var $pageAccessFailureHistory=array(); // Array containing a history of why a requested page was not accessible.
235 var $MP='';
236 var $RDCT='';
237 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...
238 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.
239
240 // USER
241
242 /**
243 * The FE user
244 *
245 * @var tslib_feUserAuth
246 */
247 var $fe_user='';
248 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.
249 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...
250 var $beUserLogin=''; // Flag that indicates if a Backend user is logged in!
251 var $workspacePreview=''; // Integer, that indicates which workspace is being previewed.
252 var $loginAllowedInBranch = TRUE; // Shows whether logins are allowed in branch
253 var $ADMCMD_preview_BEUSER_uid = 0; // Integer, set to backend user ID to initialize when keyword-based preview is used.
254
255 // PREVIEW
256 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
257 var $showHiddenPage=''; // Flag indicating that hidden pages should be shown, selected and so on. This goes for almost all selection of pages!
258 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.
259 var $simUserGroup='0'; // Value that contains the simulated usergroup if any
260
261 // CONFIGURATION
262 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.
263 var $config=''; // 'CONFIG' object from TypoScript. Array generated based on the TypoScript configuration of the current page. Saved with the cached pages.
264 var $TCAcachedExtras=array(); // Array of cached information from TCA. This is NOT TCA itself!
265
266 // TEMPLATE / CACHE
267
268 /**
269 * The TypoScript template object. Used to parse the TypoScript template
270 *
271 * @var t3lib_TStemplate
272 */
273 var $tmpl='';
274 var $cacheTimeOutDefault=''; // Is set to the time-to-live time of cached pages. If false, default is 60*60*24, which is 24 hours.
275 var $cacheContentFlag=''; // Set internally if cached content is fetched from the database
276 var $cacheExpires=0; // Set to the expire time of cached content
277 var $isClientCachable=FALSE; // Set if cache headers allowing caching are sent.
278 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.
279 var $sPre=''; // toplevel - objArrayName, eg 'page'
280 var $pSetup=''; // TypoScript configuration of the page-object pointed to by sPre. $this->tmpl->setup[$this->sPre.'.']
281 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
282 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
283 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.
284 var $tempContent = FALSE; // This flag indicates if temporary content went into the cache during page-generation.
285 var $forceTemplateParsing=''; // Boolean, passed to TypoScript template class and tells it to render the template forcibly
286 var $cHash_array=array(); // The array which cHash_calc is based on, see ->makeCacheHash().
287 var $hash_base=''; // Loaded with the serialized array that is used for generating a hashstring for the cache
288 var $pagesTSconfig=''; // May be set to the pagesTSconfig
289 // PAGE-GENERATION / cOBJ
290 /*
291 Eg. insert JS-functions in this array ($additionalHeaderData) to include them once. Use associative keys.
292 Keys in use:
293 JSFormValidate : <script type="text/javascript" src="'.$GLOBALS["TSFE"]->absRefPrefix.'t3lib/jsfunc.validateform.js"></script>
294 JSincludeFormupdate : <script type="text/javascript" src="t3lib/jsfunc.updateform.js"></script>
295 JSMenuCode, JSMenuCode_menu : JavaScript for the JavaScript menu
296 JSCode : reserved
297 JSImgCode : reserved
298 */
299 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[] = '...')
300 var $additionalJavaScript=array(); // used to accumulate additional JavaScript-code. Works like additionalHeaderData. Reserved keys at 'openPic' and 'mouseOver'
301 var $additionalCSS=array(); // used to accumulate additional Style code. Works like additionalHeaderData.
302 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
303 'onmousemove' => array(),
304 'onmouseup' => array(),
305 'onmousemove' => array(),
306 'onkeydown' => array(),
307 'onkeyup' => array(),
308 'onkeypress' => array(),
309 'onload' => array(),
310 'onunload' => array(),
311 );
312 var $JSCode=''; // Deprecated, use additionalJavaScript instead.
313 var $JSImgCode=''; // Used to accumulate JavaScript loaded images (by menus)
314 var $divSection=''; // Used to accumulate DHTML-layers.
315 var $defaultBodyTag='<body>'; // Default bodytag, if nothing else is set. This can be overridden by applications like TemplaVoila.
316
317 // RENDERING configuration, settings from TypoScript is loaded into these vars. See pagegen.php
318 var $debug=''; // Debug flag, may output special debug html-code.
319 var $intTarget=''; // Default internal target
320 var $extTarget=''; // Default external target
321 var $MP_defaults=array(); // Keys are page ids and values are default &MP (mount point) values to set when using the linking features...)
322 var $spamProtectEmailAddresses=0; // If set, typolink() function encrypts email addresses. Is set in pagegen-class.
323 var $absRefPrefix=''; // Absolute Reference prefix
324 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 '/'
325 var $compensateFieldWidth=''; // Factor for form-field widths compensation
326 var $lockFilePath=''; // Lock file path
327 var $ATagParams=''; // <A>-tag parameters
328 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.
329 var $sWordList=''; // Is set to the incoming array sword_list in case of a page-view jumped to from a search-result.
330 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.
331 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.
332 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.
333 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.
334 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)
335 var $sys_language_mode=''; // Site language mode for content fall back.
336 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)
337 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...]
338 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")
339
340 // RENDERING data
341 var $applicationData=Array(); // 'Global' Storage for various applications. Keys should be 'tx_'.extKey for extensions.
342 var $register=Array();
343 var $registerStack=Array(); // Stack used for storing array and retrieving register arrays (see LOAD_REGISTER and CLEAR_REGISTER)
344 var $cObjectDepthCounter = 50; // Checking that the function is not called eternally. This is done by interrupting at a depth of 50
345 var $recordRegister = Array(); // used by cObj->RECORDS and cObj->CONTENT to ensure the a records is NOT rendered twice through it!
346 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
347 var $accessKey =array(); // Used by class tslib_menu to keep track of access-keys.
348 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.
349 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
350 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()
351 var $uniqueString='';
352 var $indexedDocTitle=''; // This value will be used as the title for the page in the indexer (if indexing happens)
353 var $altPageTitle=''; // Alternative page title (normally the title of the page record). Can be set from applications you make.
354 var $pEncAllowedParamNames=array(); // An array that holds parameter names (keys) of GET parameters which MAY be MD5/base64 encoded with simulate_static_documents method.
355 var $baseUrl=''; // The base URL set for the page header.
356 var $anchorPrefix=''; // The proper anchor prefix needed when using speaking urls. (only set if baseUrl is set)
357
358 /**
359 * Page content render object
360 *
361 * @var tslib_cObj
362 */
363 var $cObj ='';
364
365 // CONTENT accumulation
366 var $content=''; // All page content is accumulated in this variable. See pagegen.php
367
368 // GENERAL
369 var $clientInfo=''; // Set to the browser: net / msie if 4+ browsers
370 var $scriptParseTime=0;
371 var $TCAloaded = 0; // Set ONLY if the full TCA is loaded
372
373 // Character set (charset) conversion object:
374
375 /**
376 * charset conversion class. May be used by any application.
377 *
378 * @var t3lib_cs
379 */
380 var $csConvObj;
381 var $defaultCharSet = 'iso-8859-1'; // The default charset used in the frontend if nothing else is set.
382 var $renderCharset=''; // Internal charset of the frontend during rendering: Defaults to "forceCharset" and if that is not set, to ->defaultCharSet
383 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.
384 var $localeCharset=''; // Assumed charset of locale strings.
385
386 // LANG:
387 var $lang=''; // Set to the system language key (used on the site)
388 var $langSplitIndex=0; // Set to the index number of the language key
389 var $labelsCharset=''; // Charset of the labels from locallang (based on $this->lang)
390 var $convCharsetToFrom=''; // Set to the charsets to convert from/to IF there are any difference. Otherwise this stays a string
391 var $LL_labels_cache=array();
392 var $LL_files_cache=array();
393
394
395
396
397
398 /**
399 * Class constructor
400 * Takes a number of GET/POST input variable as arguments and stores them internally.
401 * The processing of these variables goes on later in this class.
402 * Also sets internal clientInfo array (browser information) and a unique string (->uniqueString) for this script instance; A md5 hash of the microtime()
403 *
404 * @param array The global $TYPO3_CONF_VARS array. Will be set internally in ->TYPO3_CONF_VARS
405 * @param mixed The value of t3lib_div::_GP('id')
406 * @param integer The value of t3lib_div::_GP('type')
407 * @param boolean The value of t3lib_div::_GP('no_cache'), evaluated to 1/0
408 * @param string The value of t3lib_div::_GP('cHash')
409 * @param string The value of t3lib_div::_GP('jumpurl')
410 * @param string The value of t3lib_div::_GP('MP')
411 * @param string The value of t3lib_div::_GP('RDCT')
412 * @return void
413 * @see index_ts.php
414 */
415 function tslib_fe($TYPO3_CONF_VARS, $id, $type, $no_cache='', $cHash='', $jumpurl='',$MP='',$RDCT='') {
416
417 // Setting some variables:
418 $this->TYPO3_CONF_VARS = $TYPO3_CONF_VARS;
419 $this->id = $id;
420 $this->type = $type;
421 $this->no_cache = $no_cache ? 1 : 0;
422 $this->cHash = $cHash;
423 $this->jumpurl = $jumpurl;
424 $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? (string)$MP : '';
425 $this->RDCT = $RDCT;
426 $this->clientInfo = t3lib_div::clientInfo();
427 $this->uniqueString=md5(microtime());
428
429 $this->csConvObj = t3lib_div::makeInstance('t3lib_cs');
430
431 // Call post processing function for constructor:
432 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'])) {
433 $_params = array('pObj' => &$this);
434 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['tslib_fe-PostProc'] as $_funcRef) {
435 t3lib_div::callUserFunction($_funcRef,$_params,$this);
436 }
437 }
438 }
439
440 /**
441 * Connect to MySQL database
442 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
443 * Use connectToDB() instead!
444 *
445 * @return void
446 * @deprecated
447 */
448 function connectToMySQL() {
449 $this->connectToDB();
450 }
451
452 /**
453 * Connect to SQL database
454 * May exit after outputting an error message or some JavaScript redirecting to the install tool.
455 *
456 * @return void
457 */
458 function connectToDB() {
459 if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
460 if (!TYPO3_db) {
461 $this->printError('No database selected','Database Error');
462 // Redirects to the Install Tool:
463 echo '<script type="text/javascript">
464 /*<![CDATA[*/
465 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
466 /*]]>*/
467 </script>';
468 exit;
469 } elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db)) {
470 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
471 $this->printError('Cannot connect to the current database, "'.TYPO3_db.'"','Database Error');
472 exit;
473 }
474 } else {
475 if (!TYPO3_db) {
476 // Redirects to the Install Tool:
477 echo '<script type="text/javascript">
478 /*<![CDATA[*/
479 window.location.href = "'.TYPO3_mainDir.'install/index.php?mode=123&step=1&password=joh316";
480 /*]]>*/
481 </script>';
482 exit;
483 }
484 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
485 $this->printError('The current username, password or host was not accepted when the connection to the database was attempted to be established!','Database Error');
486 exit;
487 }
488
489
490 // Call post processing function for DB connection:
491 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
492 $_params = array('pObj' => &$this);
493 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
494 t3lib_div::callUserFunction($_funcRef,$_params,$this);
495 }
496 }
497 }
498
499 /**
500 * 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
501 * May exit after sending a location-header.
502 *
503 * @return void
504 */
505 function sendRedirect() {
506 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->RDCT, 'cache_md5params'));
507 if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
508 $this->updateMD5paramsRecord($this->RDCT);
509 header('Location: '.$row['params']);
510 exit;
511 }
512 }
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531 /********************************************
532 *
533 * Initializing, resolving page id
534 *
535 ********************************************/
536
537
538 /**
539 * Initializes the front-end login user.
540 *
541 * @return void
542 */
543 function initFEuser() {
544 $this->fe_user = t3lib_div::makeInstance('tslib_feUserAuth');
545
546 $this->fe_user->lockIP = $this->TYPO3_CONF_VARS['FE']['lockIP'];
547 $this->fe_user->lockHashKeyWords = $this->TYPO3_CONF_VARS['FE']['lockHashKeyWords'];
548 $this->fe_user->checkPid = $this->TYPO3_CONF_VARS['FE']['checkFeUserPid'];
549 $this->fe_user->lifetime = intval($this->TYPO3_CONF_VARS['FE']['lifetime']);
550 $this->fe_user->checkPid_value = $GLOBALS['TYPO3_DB']->cleanIntList(t3lib_div::_GP('pid')); // List of pid's acceptable
551
552 // Check if a session is transferred:
553 if (t3lib_div::_GP('FE_SESSION_KEY')) {
554 $fe_sParts = explode('-',t3lib_div::_GP('FE_SESSION_KEY'));
555 if (!strcmp(md5($fe_sParts[0].'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']), $fe_sParts[1])) { // If the session key hash check is OK:
556 $_COOKIE[$this->fe_user->name] = $fe_sParts[0];
557 $this->fe_user->forceSetCookie = 1;
558 }
559 }
560
561 if ($this->TYPO3_CONF_VARS['FE']['dontSetCookie']) {
562 $this->fe_user->dontSetCookie=1;
563 }
564
565 $this->fe_user->start();
566 $this->fe_user->unpack_uc('');
567 $this->fe_user->fetchSessionData(); // Gets session data
568 $recs = t3lib_div::_GP('recs');
569 if (is_array($recs)) { // If any record registration is submitted, register the record.
570 $this->fe_user->record_registration($recs, $this->TYPO3_CONF_VARS['FE']['maxSessionDataSize']);
571 }
572
573 // Call hook for possible manipulation of frontend user object
574 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'])) {
575 $_params = array('pObj' => &$this);
576 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['initFEuser'] as $_funcRef) {
577 t3lib_div::callUserFunction($_funcRef,$_params,$this);
578 }
579 }
580
581 // For every 60 seconds the is_online timestamp is updated.
582 if (is_array($this->fe_user->user) && $this->fe_user->user['uid'] && $this->fe_user->user['is_online']<($GLOBALS['EXEC_TIME']-60)) {
583 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('fe_users', 'uid='.intval($this->fe_user->user['uid']), array('is_online' => $GLOBALS['EXEC_TIME']));
584 }
585 }
586
587 /**
588 * Initializes the front-end user groups.
589 * Sets ->loginUser and ->gr_list based on front-end user status.
590 *
591 * @return void
592 */
593 function initUserGroups() {
594
595 $this->fe_user->showHiddenRecords = $this->showHiddenRecords; // This affects the hidden-flag selecting the fe_groups for the user!
596 $this->fe_user->fetchGroupData(); // no matter if we have an active user we try to fetch matching groups which can be set without an user (simulation for instance!)
597
598 if (is_array($this->fe_user->user) && count($this->fe_user->groupData['uid'])) {
599 $this->loginUser=1; // global flag!
600 $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!
601 $gr_array = $this->fe_user->groupData['uid'];
602 } else {
603 $this->loginUser=0;
604 $this->gr_list = '0,-1'; // group -1 is not an existing group, but denotes a 'default' group when not logged in. This is used to let elements be hidden, when a user is logged in!
605
606 if ($this->loginAllowedInBranch) {
607 $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.
608 } else {
609 $gr_array = array(); // Set to blank since we will NOT risk any groups being set when no logins are allowed!
610 }
611 }
612
613 // Clean up.
614 $gr_array = array_unique($gr_array); // Make unique...
615 sort($gr_array); // sort
616 if (count($gr_array)) {
617 $this->gr_list.=','.implode(',',$gr_array);
618 }
619
620 if ($this->fe_user->writeDevLog) t3lib_div::devLog('Valid usergroups for TSFE: '.$this->gr_list, 'tslib_fe');
621 }
622
623 /**
624 * Checking if a user is logged in or a group constellation different from "0,-1"
625 *
626 * @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!)
627 */
628 function isUserOrGroupSet() {
629 return is_array($this->fe_user->user) || $this->gr_list!=='0,-1';
630 }
631
632 /**
633 * Provides ways to bypass the '?id=[xxx]&type=[xx]' format, using either PATH_INFO or virtual HTML-documents (using Apache mod_rewrite)
634 *
635 * Three options:
636 * 1) Apache mod_rewrite: Here a .htaccess file maps all .html-files to index.php and then we extract the id and type from the name of that HTML-file. (AKA "simulateStaticDocuments")
637 * 2) Use PATH_INFO (also Apache) to extract id and type from that var. Does not require any special modules compiled with apache. (less typical)
638 * 3) Using hook which enables features like those provided from "realurl" extension (AKA "Speaking URLs")
639 *
640 * Support for RewriteRule to generate (simulateStaticDocuments)
641 * With the mod_rewrite compiled into apache, put these lines into a .htaccess in this directory:
642 * RewriteEngine On
643 * RewriteRule ^[^/]*\.html$ index.php
644 * The url must end with '.html' and the format must comply with either of these:
645 * 1: '[title].[id].[type].html' - title is just for easy recognition in the logfile!; no practical use of the title for TYPO3.
646 * 2: '[id].[type].html' - above, but title is omitted; no practical use of the title for TYPO3.
647 * 3: '[id].html' - only id, type is set to the default, zero!
648 * NOTE: In all case 'id' may be the uid-number OR the page alias (if any)
649 *
650 * @return void
651 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&cHash=4ad9d7acb4
652 */
653 function checkAlternativeIdMethods() {
654
655 $this->siteScript = t3lib_div::getIndpEnv('TYPO3_SITE_SCRIPT');
656
657 // Resolving of "simulateStaticDocuments" URLs:
658 if ($this->siteScript && substr($this->siteScript,0,9)!='index.php') { // If there has been a redirect (basically; we arrived here otherwise than via "index.php" in the URL) this can happend either due to a CGI-script or because of reWrite rule. Earlier we used $_SERVER['REDIRECT_URL'] to check but
659 $uParts = parse_url($this->siteScript); // Parse the path:
660 $fI = t3lib_div::split_fileref($uParts['path']);
661
662 if (!$fI['path'] && $fI['file'] && substr($fI['file'],-5)=='.html') {
663 $parts = explode('.',$fI['file']);
664 $pCount = count($parts);
665 if ($pCount>2) {
666 $this->type = intval($parts[$pCount-2]);
667 $this->id = $parts[$pCount-3];
668 } else {
669 $this->type = 0;
670 $this->id = $parts[0];
671 }
672 }
673 }
674
675 // If PATH_INFO
676 if (t3lib_div::getIndpEnv('PATH_INFO')) { // If pathinfo contains stuff...
677 $parts=t3lib_div::trimExplode('/',t3lib_div::getIndpEnv('PATH_INFO'),1);
678 $parts[]='html';
679 $pCount = count($parts);
680 if ($pCount>2) {
681 $this->type = intval($parts[$pCount-2]);
682 $this->id = $parts[$pCount-3];
683 } else {
684 $this->type = 0;
685 $this->id = $parts[0];
686 }
687 $this->absRefPrefix_force=1;
688 }
689
690 // Call post processing function for custom URL methods.
691 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'])) {
692 $_params = array('pObj' => &$this);
693 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkAlternativeIdMethods-PostProc'] as $_funcRef) {
694 t3lib_div::callUserFunction($_funcRef,$_params,$this);
695 }
696 }
697 }
698
699 /**
700 * Clears the preview-flags, sets sim_exec_time to current time.
701 * 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.
702 *
703 * @return void
704 */
705 function clear_preview() {
706 $this->showHiddenPage = 0;
707 $this->showHiddenRecords = 0;
708 $GLOBALS['SIM_EXEC_TIME'] = $GLOBALS['EXEC_TIME'];
709 $GLOBALS['SIM_ACCESS_TIME'] = $GLOBALS['ACCESS_TIME'];
710 $this->fePreview = 0;
711 }
712
713 /**
714 * Determines the id and evaluates any preview settings
715 * 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.
716 *
717 * @return void
718 */
719 function determineId() {
720
721 // Getting ARG-v values if some
722 $this->setIDfromArgV();
723
724 // If there is a Backend login we are going to check for any preview settings:
725 $GLOBALS['TT']->push('beUserLogin','');
726 if ($this->beUserLogin || $this->doWorkspacePreview()) {
727
728 // Backend user preview features:
729 if ($this->beUserLogin) {
730 $this->fePreview = $GLOBALS['BE_USER']->extGetFeAdminValue('preview') ? 1 : 0;
731
732 // If admin panel preview is enabled...
733 if ($this->fePreview) {
734 $fe_user_OLD_USERGROUP = $this->fe_user->user['usergroup'];
735
736 $this->showHiddenPage = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenPages');
737 $this->showHiddenRecords = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','showHiddenRecords');
738 // simulate date
739 $simTime = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateDate');
740 if ($simTime) {
741 $GLOBALS['SIM_EXEC_TIME'] = $simTime;
742 $GLOBALS['SIM_ACCESS_TIME'] = $simTime - ($simTime % 60);
743 }
744 // simulate user
745 $simUserGroup = $GLOBALS['BE_USER']->extGetFeAdminValue('preview','simulateUserGroup');
746 $this->simUserGroup = $simUserGroup;
747 if ($simUserGroup) $this->fe_user->user['usergroup']=$simUserGroup;
748 if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
749 $this->fePreview=0;
750 }
751 }
752 }
753
754 if ($this->id) {
755
756 // Now it's investigated if the raw page-id points to a hidden page and if so, the flag is set.
757 // This does not require the preview flag to be set in the admin panel
758 $idQ = t3lib_div::testInt($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...
759 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('hidden', 'pages', $idQ.' AND hidden!=0 AND deleted=0');
760 if ($GLOBALS['TYPO3_DB']->sql_num_rows($res)) {
761 $this->fePreview = 1; // The preview flag is set only if the current page turns out to actually be hidden!
762 $this->showHiddenPage = 1;
763 }
764
765 // For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
766 if (!$this->fePreview && $this->whichWorkspace()===0) {
767
768 // Initialize the page-select functions to check rootline:
769 $temp_sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
770 $temp_sys_page->init($this->showHiddenPage);
771 // If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
772 if (!count($temp_sys_page->getRootLine($this->id,$this->MP)) && $temp_sys_page->error_getRootLine_failPid==-1) {
773
774 // Setting versioningPreview flag and try again:
775 $temp_sys_page->versioningPreview = TRUE;
776 if (count($temp_sys_page->getRootLine($this->id,$this->MP))) {
777 // 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.
778 $this->fePreview = 1;
779 }
780 }
781 }
782 }
783
784 // The preview flag will be set if a backend user is in an offline workspace
785 if (($GLOBALS['BE_USER']->user['workspace_preview'] || t3lib_div::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace()===-1 || $this->whichWorkspace()>0)) {
786 $this->fePreview = 2; // Will show special preview message.
787 }
788
789 // If the front-end is showing a preview, caching MUST be disabled.
790 if ($this->fePreview) {
791 $this->set_no_cache();
792 }
793 }
794 $GLOBALS['TT']->pull();
795
796 // Now, get the id, validate access etc:
797 $this->fetch_the_id();
798
799 // Check if backend user has read access to this page. If not, recalculate the id.
800 if ($this->beUserLogin && $this->fePreview) {
801 if (!$GLOBALS['BE_USER']->doesUserHaveAccess($this->page,1)) {
802
803 // Resetting
804 $this->clear_preview();
805 $this->fe_user->user['usergroup'] = $fe_user_OLD_USERGROUP;
806
807 // Fetching the id again, now with the preview settings reset.
808 $this->fetch_the_id();
809 }
810 }
811
812 // Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
813 $this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
814 if (!$this->loginAllowedInBranch) { // Logins are not allowed:
815 if ($this->isUserOrGroupSet()) { // Only if there is a login will we run this...
816
817 // Clear out user and group:
818 unset($this->fe_user->user);
819 $this->gr_list = '0,-1';
820
821 // Fetching the id again, now with the preview settings reset.
822 $this->fetch_the_id();
823 }
824 }
825
826 // Final cleaning.
827 $this->id = $this->contentPid = intval($this->id); // Make sure it's an integer
828 $this->type = intval($this->type); // Make sure it's an integer
829
830 // Look for alternative content PID if page is under version preview:
831 if ($this->fePreview) {
832 if ($this->page['_ORIG_pid']==-1 && $this->page['t3ver_swapmode']==0) { // Current page must have been an offline version and have swapmode set to 0:
833 // 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!
834 $this->contentPid = $this->page['_ORIG_uid'];
835 }
836 }
837
838 // Call post processing function for id determination:
839 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
840 $_params = array('pObj' => &$this);
841 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
842 t3lib_div::callUserFunction($_funcRef,$_params,$this);
843 }
844 }
845 }
846
847 /**
848 * Get The Page ID
849 * This gets the id of the page, checks if the page is in the domain and if the page is accessible
850 * Sets variables such as $this->sys_page, $this->loginUser, $this->gr_list, $this->id, $this->type, $this->domainStartPage, $this->idParts
851 *
852 * @return void
853 * @access private
854 */
855 function fetch_the_id() {
856 $GLOBALS['TT']->push('fetch_the_id initialize/','');
857
858 // Initialize the page-select functions.
859 $this->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
860 $this->sys_page->versioningPreview = $this->fePreview ? TRUE : FALSE;
861 $this->sys_page->versioningWorkspaceId = $this->whichWorkspace();
862 $this->sys_page->init($this->showHiddenPage);
863
864 // Set the valid usergroups for FE
865 $this->initUserGroups();
866
867 // Sets sys_page where-clause
868 $this->setSysPageWhereClause();
869
870 // Splitting $this->id by a period (.). First part is 'id' and second part - if exists - will overrule the &type param if given
871 $pParts = explode('.',$this->id);
872 $this->id = $pParts[0]; // Set it.
873 if (isset($pParts[1])) {$this->type=$pParts[1];}
874
875 // Splitting $this->id by a comma (,). First part is 'id' and other parts are just stored for use in scripts.
876 $this->idParts = explode(',',$this->id);
877
878 // Splitting by a '+' sign - used for base64/md5 methods of parameter encryption for simulate static documents.
879 list($pgID,$SSD_p)=explode('+',$this->idParts[0],2);
880 if ($SSD_p) { $this->idPartsAnalyze($SSD_p); }
881 $this->id = $pgID; // Set id
882
883 // If $this->id is a string, it's an alias
884 $this->checkAndSetAlias();
885
886 // The id and type is set to the integer-value - just to be sure...
887 $this->id = intval($this->id);
888 $this->type = intval($this->type);
889 $GLOBALS['TT']->pull();
890
891 // We find the first page belonging to the current domain
892 $GLOBALS['TT']->push('fetch_the_id domain/','');
893 $this->domainStartPage = $this->findDomainRecord($this->TYPO3_CONF_VARS['SYS']['recursiveDomainSearch']); // the page_id of the current domain
894 if (!$this->id) {
895 if ($this->domainStartPage) {
896 $this->id = $this->domainStartPage; // If the id was not previously set, set it to the id of the domain.
897 } else {
898 $theFirstPage = $this->sys_page->getFirstWebPage($this->id); // Find the first 'visible' page in that domain
899 if ($theFirstPage) {
900 $this->id = $theFirstPage['uid'];
901 } else {
902 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
903 t3lib_div::sysLog('No pages are found on the rootlevel!', 'cms', 3);
904 $this->printError('No pages are found on the rootlevel!');
905 exit;
906 }
907 }
908 }
909 $GLOBALS['TT']->pull();
910
911 $GLOBALS['TT']->push('fetch_the_id rootLine/','');
912 $requestedId = $this->id; // We store the originally requested id
913 $this->getPageAndRootlineWithDomain($this->domainStartPage);
914 $GLOBALS['TT']->pull();
915
916 if ($this->pageNotFound && $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
917 $pNotFoundMsg = array(
918 1 => 'ID was not an accessible page',
919 2 => 'Subsection was found and not accessible',
920 3 => 'ID was outside the domain',
921 4 => 'The requested page alias does not exist'
922 );
923 $this->pageNotFoundAndExit($pNotFoundMsg[$this->pageNotFound]);
924 }
925
926 // set no_cache if set
927 if ($this->page['no_cache']) {
928 $this->set_no_cache();
929 }
930
931 // Init SYS_LASTCHANGED
932 $this->register['SYS_LASTCHANGED'] = intval($this->page['tstamp']);
933 if ($this->register['SYS_LASTCHANGED'] < intval($this->page['SYS_LASTCHANGED'])) {
934 $this->register['SYS_LASTCHANGED'] = intval($this->page['SYS_LASTCHANGED']);
935 }
936 }
937
938 /**
939 * Gets the page and rootline arrays based on the id, $this->id
940 *
941 * If the id does not correspond to a proper page, the 'previous' valid page in the rootline is found
942 * If the page is a shortcut (doktype=4), the ->id is loaded with that id
943 *
944 * 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.
945 *
946 * Sets or manipulates internal variables such as: $this->id, $this->page, $this->rootLine, $this->MP, $this->pageNotFound
947 *
948 * @return void
949 * @access private
950 */
951 function getPageAndRootline() {
952 $this->page = $this->sys_page->getPage($this->id);
953 if (!count($this->page)) {
954 // If no page, we try to find the page before in the rootLine.
955 $this->pageNotFound=1; // Page is 'not found' in case the id itself was not an accessible page. code 1
956 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
957 if (count($this->rootLine)) {
958 $c=count($this->rootLine)-1;
959 while($c>0) {
960
961 // Add to page access failure history:
962 $this->pageAccessFailureHistory['direct_access'][] = $this->rootLine[$c];
963
964 // Decrease to next page in rootline and check the access to that, if OK, set as page record and ID value.
965 $c--;
966 $this->id = $this->rootLine[$c]['uid'];
967 $this->page = $this->sys_page->getPage($this->id);
968 if (count($this->page)) { break; }
969 }
970 }
971 // If still no page...
972 if (!count($this->page)) {
973 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
974 $this->pageNotFoundAndExit('The requested page does not exist!');
975 } else {
976 header( 'HTTP/1.0 404 Page Not Found' );
977 t3lib_div::sysLog('The requested page does not exist!', 'cms', 3);
978 $this->printError('The requested page does not exist!');
979 exit;
980 }
981 }
982 }
983
984 // Spacer is not accessible in frontend
985 if ($this->page['doktype'] == 199) {
986 if ($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling']) {
987 $this->pageNotFoundAndExit('The requested page does not exist!');
988 } else {
989 header( 'HTTP/1.0 404 Page Not Found' );
990 t3lib_div::sysLog('The requested page does not exist!', 'cms', 3);
991 $this->printError('The requested page does not exist!');
992 exit;
993 }
994 }
995
996 // Is the ID a link to another page??
997 if ($this->page['doktype']==4) {
998 $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.
999 $this->page = $this->getPageShortcut($this->page['shortcut'],$this->page['shortcut_mode'],$this->page['uid']);
1000 $this->id = $this->page['uid'];
1001 }
1002
1003 // Gets the rootLine
1004 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1005
1006 // If not rootline we're off...
1007 if (!count($this->rootLine)) {
1008 $ws = $this->whichWorkspace();
1009 if ($this->sys_page->error_getRootLine_failPid==-1 && $ws) {
1010 $this->sys_page->versioningPreview = TRUE;
1011 $this->versioningWorkspaceId = $ws;
1012 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1013 }
1014 if (!count($this->rootLine)) {
1015 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
1016 t3lib_div::sysLog('The requested page didn\'t have a proper connection to the tree-root! ('.$this->sys_page->error_getRootLine.')', 'cms', 3);
1017 $this->printError('The requested page didn\'t have a proper connection to the tree-root! <br /><br />('.$this->sys_page->error_getRootLine.')');
1018 exit;
1019 }
1020 $this->fePreview = 1;
1021 }
1022
1023 // Checking for include section regarding the hidden/starttime/endtime/fe_user (that is access control of a whole subbranch!)
1024 if ($this->checkRootlineForIncludeSection()) {
1025 if (!count($this->rootLine)) {
1026 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
1027 t3lib_div::sysLog('The requested page was not accessible!', 'cms', 3);
1028 $this->printError('The requested page was not accessible!');
1029 exit;
1030 } else {
1031 $el = reset($this->rootLine);
1032 $this->id = $el['uid'];
1033 $this->page = $this->sys_page->getPage($this->id);
1034 $this->rootLine = $this->sys_page->getRootLine($this->id,$this->MP);
1035 }
1036 }
1037 }
1038
1039 /**
1040 * Get page shortcut; Finds the records pointed to by input value $SC (the shortcut value)
1041 *
1042 * @param integer The value of the "shortcut" field from the pages record
1043 * @param integer The shortcut mode: 1 and 2 will select either first subpage or random subpage; the default is the page pointed to by $SC
1044 * @param integer The current page UID of the page which is a shortcut
1045 * @param integer Safety feature which makes sure that the function is calling itself recursively max 20 times (since this function can find shortcuts to other shortcuts to other shortcuts...)
1046 * @param array An array filled with previous page uids tested by the function - new page uids are evaluated against this to avoid going in circles.
1047 * @return mixed Returns the page record of the page that the shortcut pointed to.
1048 * @access private
1049 * @see getPageAndRootline()
1050 */
1051 function getPageShortcut($SC,$mode,$thisUid,$itera=20,$pageLog=array()) {
1052 $idArray = t3lib_div::intExplode(',',$SC);
1053
1054 // Find $page record depending on shortcut mode:
1055 switch($mode) {
1056 case 1:
1057 case 2:
1058 $pageArray = $this->sys_page->getMenu($idArray[0]?$idArray[0]:$thisUid,'*','sorting','AND pages.doktype<199 AND pages.doktype!=6');
1059 $pO = 0;
1060 if ($mode==2 && count($pageArray)) { // random
1061 $this->make_seed();
1062 $randval = intval(rand(0,count($pageArray)-1));
1063 $pO = $randval;
1064 }
1065 $c = 0;
1066 reset($pageArray);
1067 while(list(,$pV)=each($pageArray)) {
1068 if ($c==$pO) {
1069 $page = $pV;
1070 break;
1071 }
1072 $c++;
1073 }
1074 break;
1075 default:
1076 $page = $this->sys_page->getPage($idArray[0]);
1077 break;
1078 }
1079
1080 // Check if short cut page was a shortcut itself, if so look up recursively:
1081 if ($page['doktype']==4) {
1082 if (!in_array($page['uid'],$pageLog) && $itera>0) {
1083 $pageLog[] = $page['uid'];
1084 $page = $this->getPageShortcut($page['shortcut'],$page['shortcut_mode'],$page['uid'],$itera-1,$pageLog);
1085 } else {
1086 $pageLog[] = $page['uid'];
1087 header( 'HTTP/1.0 500 Internal Server Error' );
1088 t3lib_div::sysLog('Page shortcuts were looping in uids '.implode(',',$pageLog).'...!', 'cms', 3);
1089 $this->printError('Page shortcuts were looping in uids '.implode(',',$pageLog).'...!');
1090 exit;
1091 }
1092 }
1093 // Return resulting page:
1094 return $page;
1095 }
1096
1097 /**
1098 * Checks the current rootline for defined sections.
1099 *
1100 * @return boolean
1101 * @access private
1102 */
1103 function checkRootlineForIncludeSection() {
1104 $c=count($this->rootLine);
1105 $removeTheRestFlag=0;
1106
1107 for ($a=0;$a<$c;$a++) {
1108 if (!$this->checkPagerecordForIncludeSection($this->rootLine[$a])) {
1109 // Add to page access failure history:
1110 $this->pageAccessFailureHistory['sub_section'][] = $this->rootLine[$a];
1111 $removeTheRestFlag=1;
1112 }
1113 if ($this->rootLine[$a]['doktype']==6) {
1114 if ($this->beUserLogin) { // If there is a backend user logged in, check if he has read access to the page:
1115 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($this->id).' AND '.$GLOBALS['BE_USER']->getPagePermsClause(1)); // versionOL()?
1116 list($isPage) = $GLOBALS['TYPO3_DB']->sql_fetch_row($res);
1117 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...
1118 } else { // Dont go here, if there is no backend user logged in.
1119 $removeTheRestFlag=1;
1120 }
1121 }
1122 if ($removeTheRestFlag) {
1123 $this->pageNotFound=2; // Page is 'not found' in case a subsection was found and not accessible, code 2
1124 unset($this->rootLine[$a]);
1125 }
1126 }
1127 return $removeTheRestFlag;
1128 }
1129
1130 /**
1131 * Checks page record for enableFields
1132 * Returns true if enableFields does not disable the page record.
1133 * Takes notice of the ->showHiddenPage flag and uses SIM_ACCESS_TIME for start/endtime evaluation
1134 *
1135 * @param array The page record to evaluate (needs fields: hidden, starttime, endtime, fe_group)
1136 * @param boolean Bypass group-check
1137 * @return boolean True, if record is viewable.
1138 * @see tslib_cObj::getTreeList(), checkPagerecordForIncludeSection()
1139 */
1140 function checkEnableFields($row,$bypassGroupCheck=FALSE) {
1141 if ((!$row['hidden'] || $this->showHiddenPage)
1142 && $row['starttime']<=$GLOBALS['SIM_ACCESS_TIME']
1143 && ($row['endtime']==0 || $row['endtime']>$GLOBALS['SIM_ACCESS_TIME'])
1144 && ($bypassGroupCheck || $this->checkPageGroupAccess($row))
1145 ) { return TRUE; }
1146 }
1147
1148 /**
1149 * Check group access against a page record
1150 *
1151 * @param array The page record to evaluate (needs field: fe_group)
1152 * @param mixed List of group id's (comma list or array). Default is $this->gr_list
1153 * @return boolean True, if group access is granted.
1154 * @access private
1155 */
1156 function checkPageGroupAccess($row, $groupList=NULL) {
1157 if(is_null($groupList)) {
1158 $groupList = $this->gr_list;
1159 }
1160 if(!is_array($groupList)) {
1161 $groupList = explode(',', $groupList);
1162 }
1163 $pageGroupList = explode(',', $row['fe_group'] ? $row['fe_group'] : 0);
1164 return count(array_intersect($groupList, $pageGroupList)) > 0;
1165 }
1166
1167 /**
1168 * Checks page record for include section
1169 *
1170 * @param array The page record to evaluate (needs fields: extendToSubpages + hidden, starttime, endtime, fe_group)
1171 * @return boolean Returns true if either extendToSubpages is not checked or if the enableFields does not disable the page record.
1172 * @access private
1173 * @see checkEnableFields(), tslib_cObj::getTreeList(), checkRootlineForIncludeSection()
1174 */
1175 function checkPagerecordForIncludeSection($row) {
1176 return (!$row['extendToSubpages'] || $this->checkEnableFields($row)) ? 1 : 0;
1177 }
1178
1179 /**
1180 * 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!)
1181 *
1182 * @return boolean returns TRUE if logins are OK, otherwise false (and then the login user must be unset!)
1183 */
1184 function checkIfLoginAllowedInBranch() {
1185
1186 // Initialize:
1187 $c = count($this->rootLine);
1188 $disable = FALSE;
1189
1190 // Traverse root line from root and outwards:
1191 for ($a=0; $a<$c; $a++) {
1192
1193 // If a value is set for login state:
1194 if ($this->rootLine[$a]['fe_login_mode'] > 0) {
1195
1196 // Determine state from value:
1197 $disable = (int)$this->rootLine[$a]['fe_login_mode'] === 1 ? TRUE : FALSE;
1198 }
1199 }
1200
1201 return !$disable;
1202 }
1203
1204 /**
1205 * 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
1206 *
1207 * @return array Summary of why page access was not allowed.
1208 */
1209 function getPageAccessFailureReasons() {
1210 $output = array();
1211
1212 $combinedRecords = array_merge(
1213 is_array($this->pageAccessFailureHistory['direct_access']) ? $this->pageAccessFailureHistory['direct_access'] : array(array('fe_group'=>0)), // Adding fake first record for direct access if none, otherwise $k==0 below will be indicating a sub-section record to be first direct_access record which is of course false!
1214 is_array($this->pageAccessFailureHistory['sub_section']) ? $this->pageAccessFailureHistory['sub_section'] : array()
1215 );
1216
1217 if (count($combinedRecords)) {
1218 foreach($combinedRecords as $k => $pagerec) {
1219 // 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
1220 // If $k>0 it is parent pages being tested. They are only significant for the access to the first page IF they had the extendToSubpages flag set, hence checked only then!
1221 if (!$k || $pagerec['extendToSubpages']) {
1222 if ($pagerec['hidden']) $output['hidden'][$pagerec['uid']] = TRUE;
1223 if ($pagerec['starttime'] > $GLOBALS['SIM_ACCESS_TIME']) $output['starttime'][$pagerec['uid']] = $pagerec['starttime'];
1224 if ($pagerec['endtime']!=0 && $pagerec['endtime'] <= $GLOBALS['SIM_ACCESS_TIME']) $output['endtime'][$pagerec['uid']] = $pagerec['endtime'];
1225 if (!$this->checkPageGroupAccess($pagerec)) $output['fe_group'][$pagerec['uid']] = $pagerec['fe_group'];
1226 }
1227 }
1228 }
1229
1230 return $output;
1231 }
1232
1233 /**
1234 * This checks if there are ARGV-parameters in the QUERY_STRING and if so, those are used for the id
1235 * $this->id must be 'false' in order for any processing to happen in here
1236 * If an id/alias value is extracted from the QUERY_STRING it is set in $this->id
1237 *
1238 * @return void
1239 * @access private
1240 */
1241 function setIDfromArgV() {
1242 if (!$this->id) {
1243 list($theAlias) = explode('&',t3lib_div::getIndpEnv('QUERY_STRING'));
1244 $theAlias = trim($theAlias);
1245 $this->id = ($theAlias != '' && strpos($theAlias, '=') === false) ? $theAlias : 0;
1246 }
1247 }
1248
1249 /**
1250 * Gets ->page and ->rootline information based on ->id. ->id may change during this operation.
1251 * If not inside domain, then default to first page in domain.
1252 *
1253 * @param integer Page uid of the page where the found domain record is (pid of the domain record)
1254 * @return void
1255 * @access private
1256 */
1257 function getPageAndRootlineWithDomain($domainStartPage) {
1258 $this->getPageAndRootline();
1259
1260 // Checks if the $domain-startpage is in the rootLine. This is necessary so that references to page-id's from other domains are not possible.
1261 if ($domainStartPage && is_array($this->rootLine)) {
1262 reset ($this->rootLine);
1263 $idFound = 0;
1264 while(list($key,$val)=each($this->rootLine)) {
1265 if ($val['uid']==$domainStartPage) {
1266 $idFound=1;
1267 break;
1268 }
1269 }
1270 if (!$idFound) {
1271 $this->pageNotFound=3; // Page is 'not found' in case the id was outside the domain, code 3
1272 $this->id = $domainStartPage;
1273 $this->getPageAndRootline(); //re-get the page and rootline if the id was not found.
1274 }
1275 }
1276 }
1277
1278 /**
1279 * Sets sys_page where-clause
1280 *
1281 * @return void
1282 * @access private
1283 */
1284 function setSysPageWhereClause() {
1285 $this->sys_page->where_hid_del.=' AND pages.doktype<200';
1286 $this->sys_page->where_groupAccess = $this->sys_page->getMultipleGroupsWhereClause('pages.fe_group', 'pages');
1287 }
1288
1289 /**
1290 * Looking up a domain record based on HTTP_HOST
1291 *
1292 * @param boolean If set, it looks "recursively" meaning that a domain like "123.456.typo3.com" would find a domain record like "typo3.com" if "123.456.typo3.com" or "456.typo3.com" did not exist.
1293 * @return integer Returns the page id of the page where the domain record was found.
1294 * @access private
1295 */
1296 function findDomainRecord($recursive=0) {
1297 if ($recursive) {
1298 $host = explode('.',t3lib_div::getIndpEnv('HTTP_HOST'));
1299 while(count($host)) {
1300 $pageUid = $this->sys_page->getDomainStartPage(implode('.',$host),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1301 if ($pageUid) return $pageUid; else array_shift($host);
1302 }
1303 return $pageUid;
1304 } else {
1305 return $this->sys_page->getDomainStartPage(t3lib_div::getIndpEnv('HTTP_HOST'),t3lib_div::getIndpEnv('SCRIPT_NAME'),t3lib_div::getIndpEnv('REQUEST_URI'));
1306 }
1307 }
1308
1309 /**
1310 * Page-not-found handler for use in frontend plugins from extensions.
1311 *
1312 * @param string Reason text
1313 * @param string HTTP header to send
1314 * @return void Function exits.
1315 */
1316 function pageNotFoundAndExit($reason='', $header='') {
1317 $header = $header ? $header : $this->TYPO3_CONF_VARS['FE']['pageNotFound_handling_statheader'];
1318 $this->pageNotFoundHandler($this->TYPO3_CONF_VARS['FE']['pageNotFound_handling'], $header, $reason);
1319 exit;
1320 }
1321
1322 /**
1323 * Page not found handler.
1324 * Exits.
1325 *
1326 * @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 $code value is expected to be a "Location:" header value.
1327 * @param string If set, this is passed directly to the PHP function, header()
1328 * @param string If set, error messages will also mention this as the reason for the page-not-found.
1329 * @return void (The function exits!)
1330 */
1331 function pageNotFoundHandler($code, $header='', $reason='') {
1332
1333 // Issue header in any case:
1334 if ($header) {
1335 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1336 foreach ($headerArr as $header) {
1337 header ($header);
1338 }
1339 }
1340
1341 // Create response:
1342 if (gettype($code)=='boolean' || !strcmp($code,1)) { // Simply boolean; Just shows TYPO3 error page with reason:
1343 $this->printError('The page did not exist or was inaccessible.'.($reason ? ' Reason: '.htmlspecialchars($reason) : ''));
1344 } elseif (t3lib_div::isFirstPartOfStr($code,'USER_FUNCTION:')) {
1345 $funcRef = trim(substr($code,14));
1346 $params = array(
1347 'currentUrl' => t3lib_div::getIndpEnv('REQUEST_URI'),
1348 'reasonText' => $reason,
1349 'pageAccessFailureReasons' => $this->getPageAccessFailureReasons()
1350 );
1351 echo t3lib_div::callUserFunction($funcRef,$params,$this);
1352 } elseif (t3lib_div::isFirstPartOfStr($code,'READFILE:')) {
1353 $readFile = t3lib_div::getFileAbsFileName(trim(substr($code,9)));
1354 if (@is_file($readFile)) {
1355 $fileContent = t3lib_div::getUrl($readFile);
1356 $fileContent = str_replace('###CURRENT_URL###', t3lib_div::getIndpEnv('REQUEST_URI'), $fileContent);
1357 $fileContent = str_replace('###REASON###', htmlspecialchars($reason), $fileContent);
1358 echo $fileContent;
1359 } else {
1360 $this->printError('Configuration Error: 404 page "'.$readFile.'" could not be found.');
1361 }
1362 } elseif (t3lib_div::isFirstPartOfStr($code,'REDIRECT:')) {
1363 header('Location: '.t3lib_div::locationHeaderUrl(substr($code,9)));
1364 exit;
1365 } elseif (strlen($code)) {
1366 // Check if URL is relative
1367 $url_parts = parse_url($code);
1368 if ($url_parts['host'] == '') {
1369 $url_parts['host'] = t3lib_div::getIndpEnv('HTTP_HOST');
1370 $code = t3lib_div::getIndpEnv('TYPO3_REQUEST_HOST') . $code;
1371 $checkBaseTag = false;
1372 } else {
1373 $checkBaseTag = true;
1374 }
1375
1376 // Check recursion
1377 if ($code == t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1378 if ($reason == '') {
1379 $reason = 'Page cannot be found.';
1380 }
1381 $reason.= chr(10) . chr(10) . 'Additionally, ' . $code . ' was not found while trying to retrieve the error document.';
1382 $this->printError('Reason: '.nl2br(htmlspecialchars($reason)));
1383 exit();
1384 }
1385
1386 // Prepare headers
1387 $headerArr = array(
1388 'User-agent: ' . t3lib_div::getIndpEnv('HTTP_USER_AGENT'),
1389 'Referer: ' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')
1390 );
1391 $res = t3lib_div::getURL($code, 1, $headerArr);
1392
1393 // Header and content are separated by an empty line
1394 list($header,$content) = split("\r\n\r\n", $res, 2);
1395 $content.= "\r\n";
1396
1397 if (false === $res) {
1398 // Last chance -- redirect
1399 header('Location: '.t3lib_div::locationHeaderUrl($code));
1400 } else {
1401
1402 $forwardHeaders = array( // Forward these response headers to the client
1403 'Content-Type:',
1404 );
1405 $headerArr = preg_split('/\r|\n/',$header,-1,PREG_SPLIT_NO_EMPTY);
1406 foreach ($headerArr as $header) {
1407 foreach ($forwardHeaders as $h) {
1408 if (preg_match('/^'.$h.'/', $header)) {
1409 header ($header);
1410 }
1411 }
1412 }
1413 // Put <base> if necesary
1414 if ($checkBaseTag) {
1415
1416 // If content already has <base> tag, we do not need to do anything
1417 if (false === stristr($content, '<base ')) {
1418
1419 // Generate href for base tag
1420 $base = $url_parts['scheme'] . '://';
1421 if ($url_parts['user'] != '') {
1422 $base.= $url_parts['user'];
1423 if ($url_parts['pass'] != '') {
1424 $base.= ':' . $url_parts['pass'];
1425 }
1426 $base.= '@';
1427 }
1428 $base.= $url_parts['host'];
1429
1430 // Add path portion skipping possible file name
1431 $base.= preg_replace('/(.*\/)[^\/]*/', '${1}', $url_parts['path']);
1432
1433 // Put it into content (generate also <head> if necessary)
1434 $replacement = chr(10) . '<base href="' . htmlentities($base) . '" />' . chr(10);
1435 if (stristr($content, '<head>')) {
1436 $content = preg_replace('/(<head>)/i', '\1' . $replacement, $content);
1437 } else {
1438 $content = preg_replace('/(<html[^>]*>)/i', '\1<head>' . $replacement . '</head>', $content);
1439 }
1440 }
1441 }
1442 echo $content; // Output the content
1443 }
1444 } else {
1445 $this->printError($reason ? 'Reason: '.htmlspecialchars($reason) : 'Page cannot be found.');
1446 }
1447 exit();
1448 }
1449
1450 /**
1451 * Fetches the integer page id for a page alias.
1452 * 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 $this->id
1453 *
1454 * @return void
1455 * @access private
1456 */
1457 function checkAndSetAlias() {
1458 if ($this->id && !t3lib_div::testInt($this->id)) {
1459 $aid = $this->sys_page->getPageIdFromAlias($this->id);
1460 if ($aid) {
1461 $this->id = $aid;
1462 } else {
1463 $this->pageNotFound = 4;
1464 }
1465 }
1466 }
1467
1468 /**
1469 * 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 $_GET
1470 * If values for ->cHash, ->no_cache, ->jumpurl and ->MP is found, they are also loaded into the internal vars of this class.
1471 *
1472 * @param string String to analyze
1473 * @return void
1474 * @access private
1475 */
1476 function idPartsAnalyze($str) {
1477 $GET_VARS = '';
1478 switch(substr($str,0,2)) {
1479 case 'B6':
1480 $addParams = base64_decode(str_replace('_','=',str_replace('-','/',substr($str,2))));
1481 parse_str($addParams,$GET_VARS);
1482 break;
1483 case 'M5':
1484 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('params', 'cache_md5params', 'md5hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr(substr($str,2), 'cache_md5params'));
1485 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1486
1487 $this->updateMD5paramsRecord(substr($str,2));
1488 parse_str($row['params'],$GET_VARS);
1489 break;
1490 }
1491
1492 $this->mergingWithGetVars($GET_VARS);
1493 }
1494
1495 /**
1496 * Merging values into the global $_GET
1497 *
1498 * @param array Array of key/value pairs that will be merged into the current GET-vars. (Non-escaped values)
1499 * @return void
1500 */
1501 function mergingWithGetVars($GET_VARS) {
1502 if (is_array($GET_VARS)) {
1503 $realGet = t3lib_div::_GET(); // Getting $_GET var, unescaped.
1504 if (!is_array($realGet)) $realGet = array();
1505
1506 // Merge new values on top:
1507 $realGet = t3lib_div::array_merge_recursive_overrule($realGet,$GET_VARS);
1508
1509 // Write values back to $_GET:
1510 t3lib_div::_GETset($realGet);
1511
1512 // Setting these specifically (like in the init-function):
1513 if (isset($GET_VARS['type'])) $this->type = intval($GET_VARS['type']);
1514 if (isset($GET_VARS['cHash'])) $this->cHash = $GET_VARS['cHash'];
1515 if (isset($GET_VARS['jumpurl'])) $this->jumpurl = $GET_VARS['jumpurl'];
1516 if (isset($GET_VARS['MP'])) $this->MP = $this->TYPO3_CONF_VARS['FE']['enable_mount_pids'] ? $GET_VARS['MP'] : '';
1517
1518 if (isset($GET_VARS['no_cache']) && $GET_VARS['no_cache']) $this->set_no_cache();
1519 }
1520 }
1521
1522 /**
1523 * Looking for a ADMCMD_prev code, looks it up if found and returns configuration data.
1524 * 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.
1525 * 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.
1526 * 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.
1527 *
1528 * @return array Preview configuration array from sys_preview record.
1529 * @see t3lib_BEfunc::compilePreviewKeyword()
1530 */
1531 function ADMCMD_preview(){
1532 $inputCode = t3lib_div::_GP('ADMCMD_prev');
1533
1534 // If no inputcode and a cookie is set, load input code from cookie:
1535 if (!$inputCode && $_COOKIE['ADMCMD_prev']) {
1536 $inputCode = $_COOKIE['ADMCMD_prev'];
1537 }
1538
1539 // If inputcode now, look up the settings:
1540 if ($inputCode) {
1541
1542 if ($inputCode=='LOGOUT') { // "log out":
1543 SetCookie('ADMCMD_prev', '', 0);
1544 if ($this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']) {
1545 if (@is_file(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'])) {
1546 $message = t3lib_div::getUrl(PATH_site.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate']);
1547 } else {
1548 $message = '<b>ERROR!</b><br>Template File "'.$this->TYPO3_CONF_VARS['FE']['workspacePreviewLogoutTemplate'].'" configured with $TYPO3_CONF_VARS["FE"]["workspacePreviewLogoutTemplate"] not found. Please contact webmaster about this problem.';
1549 }
1550 } else {
1551 $message = 'You logged out from Workspace preview mode. Click this link to <a href="%1$s">go back to the website</a>';
1552 }
1553 die(sprintf($message,
1554 htmlspecialchars(ereg_replace('\&?ADMCMD_prev=[[:alnum:]]+','',t3lib_div::_GET('returnUrl')))
1555 ));
1556 }
1557
1558 // Look for keyword configuration record:
1559 list($previewData) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1560 '*',
1561 'sys_preview',
1562 'keyword='.$GLOBALS['TYPO3_DB']->fullQuoteStr($inputCode, 'sys_preview').
1563 ' AND endtime>'.time()
1564 );
1565
1566 // Get: Backend login status, Frontend login status
1567 // - Make sure to remove fe/be cookies (temporarily); BE already done in ADMCMD_preview_postInit()
1568 if (is_array($previewData)) {
1569 if (!count(t3lib_div::_POST())) {
1570 // Unserialize configuration:
1571 $previewConfig = unserialize($previewData['config']);
1572
1573 if ($previewConfig['fullWorkspace']) { // For full workspace preview we only ADD a get variable to set the preview of the workspace - so all other Get vars are accepted. Hope this is not a security problem. Still posting is not allowed and even if a backend user get initialized it shouldn't lead to situations where users can use those credentials.
1574
1575 // Set the workspace preview value:
1576 t3lib_div::_GETset($previewConfig['fullWorkspace'],'ADMCMD_previewWS');
1577
1578 // 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...
1579 if (t3lib_div::_GP('ADMCMD_prev')) {
1580 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.
1581 }
1582 return $previewConfig;
1583 } elseif (t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode === t3lib_div::getIndpEnv('TYPO3_REQUEST_URL')) {
1584
1585 // Set GET variables:
1586 $GET_VARS = '';
1587 parse_str($previewConfig['getVars'], $GET_VARS);
1588 t3lib_div::_GETset($GET_VARS);
1589
1590 // Return preview keyword configuration:
1591 return $previewConfig;
1592 } else die(htmlspecialchars('Request URL did not match "'.t3lib_div::getIndpEnv('TYPO3_SITE_URL').'index.php?ADMCMD_prev='.$inputCode.'"')); // This check is to prevent people from setting additional GET vars via realurl or other URL path based ways of passing parameters.
1593 } else die('POST requests are incompatible with keyword preview.');
1594 } else die('ADMCMD command could not be executed! (No keyword configuration found)');
1595 }
1596 }
1597
1598 /**
1599 * Configuration after initialization of TSFE object.
1600 * Basically this unsets the BE cookie if any and forces the BE user set according to the preview configuration.
1601 *
1602 * @param array Preview configuration, see ADMCMD_preview()
1603 * @return void
1604 * @see ADMCMD_preview(), index_ts.php
1605 */
1606 function ADMCMD_preview_postInit($previewConfig){
1607 if (is_array($previewConfig)) {
1608
1609 // Clear cookies:
1610 unset($_COOKIE['be_typo_user']);
1611 $this->ADMCMD_preview_BEUSER_uid = $previewConfig['BEUSER_uid'];
1612
1613 } else die('Error in preview configuration.');
1614 }
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626 /********************************************
1627 *
1628 * Template and caching related functions.
1629 *
1630 *******************************************/
1631
1632 /**
1633 * 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
1634 *
1635 * @return void
1636 * @see reqCHash()
1637 */
1638 function makeCacheHash() {
1639 $GET = t3lib_div::_GET();
1640 if ($this->cHash && is_array($GET)) {
1641 $this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
1642 $cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));
1643
1644 if ($cHash_calc!=$this->cHash) {
1645 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1646 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
1647 } else {
1648 $this->set_no_cache();
1649 $GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$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);
1650 }
1651 }
1652 }
1653 }
1654
1655 /**
1656 * Will disable caching if the cHash value was not set.
1657 * 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)
1658 *
1659 * @return void
1660 * @see makeCacheHash(), tslib_pibase::pi_cHashCheck()
1661 */
1662 function reqCHash() {
1663 if (!$this->cHash) {
1664 if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
1665 if ($this->tempContent) { $this->clearPageCacheContent(); }
1666 $this->pageNotFoundAndExit('Request parameters could not be validated (&cHash empty)');
1667 } else {
1668 $this->set_no_cache();
1669 $GLOBALS['TT']->setTSlogMessage('TSFE->reqCHash(): No &cHash parameter was sent for GET vars though required so caching is disabled ',2);
1670 }
1671 }
1672 }
1673
1674 /**
1675 * Splits the input query-parameters into an array with certain parameters filtered out.
1676 * Used to create the cHash value
1677 *
1678 * @param string Query-parameters: "&xxx=yyy&zzz=uuu"
1679 * @return array Array with key/value pairs of query-parameters WITHOUT a certain list of variable names (like id, type, no_cache etc) and WITH a variable, encryptionKey, specific for this server/installation
1680 * @access private
1681 * @see makeCacheHash(), tslib_cObj::typoLink()
1682 * @obsolete
1683 */
1684 function cHashParams($addQueryParams) {
1685 return t3lib_div::cHashParams($addQueryParams);
1686 }
1687
1688 /**
1689 * Initialize the TypoScript template parser
1690 *
1691 * @return void
1692 */
1693 function initTemplate() {
1694 $this->tmpl = t3lib_div::makeInstance('t3lib_TStemplate');
1695 $this->tmpl->init();
1696 $this->tmpl->tt_track= $this->beUserLogin ? 1 : 0;
1697 }
1698
1699 /**
1700 * See if page is in cache and get it if so
1701 * Stores the page content in $this->content if something is found.
1702 *
1703 * @return void
1704 */
1705 function getFromCache() {
1706 if (!$this->no_cache) {
1707 $this->tmpl->getCurrentPageData();
1708
1709 $cc = Array();
1710 if (is_array($this->tmpl->currentPageData)) {
1711 // BE CAREFULL to change the content of the cc-array. This array is serialized and an md5-hash based on this is used for caching the page.
1712 // If this hash is not the same in here in this section and after page-generation the page will not be properly cached!
1713
1714 $cc['all'] = $this->tmpl->currentPageData['all'];
1715 $cc['rowSum'] = $this->tmpl->currentPageData['rowSum'];
1716 $cc['rootLine'] = $this->tmpl->currentPageData['rootLine']; // This rootline is used with templates only (matching()-function)
1717 $this->all = $this->tmpl->matching($cc); // This array is an identification of the template. If $this->all is empty it's because the template-data is not cached, which it must be.
1718 ksort($this->all);
1719 }
1720 }
1721
1722 $this->content=''; // clearing the content-variable, which will hold the pagecontent
1723 unset($this->config); // Unsetting the lowlevel config
1724 $this->cacheContentFlag = 0;
1725
1726 // Look for page in cache only if caching is not disabled and if a shift-reload is not sent to the server.
1727 if ($this->all && !$this->no_cache && !$this->headerNoCache()) {
1728
1729 $this->newHash = $this->getHash();
1730
1731 $GLOBALS['TT']->push('Cache Row','');
1732 if ($row = $this->getFromCache_queryRow()) {
1733
1734 $this->config = (array)unserialize($row['cache_data']); // Fetches the lowlevel config stored with the cached data
1735 $this->content = $row['HTML']; // Getting the content
1736 $this->tempContent = $row['temp_content']; // Flag for temp content
1737 $this->cacheContentFlag = 1; // Setting flag, so we know, that some cached content is gotten.
1738 $this->cacheExpires = $row['expires'];
1739
1740 if ($this->TYPO3_CONF_VARS['FE']['debug'] || $this->config['config']['debug']) {
1741 $dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
1742 $timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
1743
1744 $this->content.=chr(10).'<!-- Cached page generated '.date($dateFormat.' '.$timeFormat, $row['tstamp']).'. Expires '.Date($dateFormat.' '.$timeFormat, $row['expires']).' -->';
1745 }
1746
1747 }
1748 $GLOBALS['TT']->pull();
1749 }
1750 }
1751
1752 /**
1753 * Returning the cached version of page with hash = newHash
1754 *
1755 * @return array Cached row, if any. Otherwise void.
1756 */
1757 function getFromCache_queryRow() {
1758
1759 $GLOBALS['TT']->push('Cache Query','');
1760 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1761 'S.*',
1762 'cache_pages S,pages P',
1763 'S.hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->newHash, 'cache_pages').'
1764 AND S.page_id=P.uid
1765 AND S.expires > '.intval($GLOBALS['EXEC_TIME']).'
1766 AND P.deleted=0
1767 AND P.hidden=0
1768 AND P.starttime<='.intval($GLOBALS['EXEC_TIME']).'
1769 AND (P.endtime=0 OR P.endtime>'.intval($GLOBALS['EXEC_TIME']).')'
1770 );
1771 $GLOBALS['TT']->pull();
1772
1773 if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
1774 $this->pageCachePostProcess($row,'get');
1775 }
1776 $GLOBALS['TYPO3_DB']->sql_free_result($res);
1777 return $row;
1778 }
1779
1780 /**
1781 * Detecting if shift-reload has been clicked
1782 * Will not be called if re-generation of page happens by other reasons (for instance that the page is not in cache yet!)
1783 * Also, a backend user MUST be logged in for the shift-reload to be detected due to DoS-attack-security reasons.
1784 *
1785 * @return boolean If shift-reload in client browser has been clicked, disable getting cached page (and regenerate it).
1786 */
1787 function headerNoCache() {
1788 $disableAcquireCacheData = FALSE;
1789
1790 if ($this->beUserLogin) {
1791 if (strtolower($_SERVER['HTTP_CACHE_CONTROL'])==='no-cache' || strtolower($_SERVER['HTTP_PRAGMA'])==='no-cache') {
1792 $disableAcquireCacheData = TRUE;
1793 }
1794 }
1795
1796 // Call hook for possible by-pass of requiring of page cache (for recaching purpose)
1797 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'])) {
1798 $_params = array('pObj' => &$this, 'disableAcquireCacheData' => &$disableAcquireCacheData);
1799 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['headerNoCache'] as $_funcRef) {
1800 t3lib_div::callUserFunction($_funcRef,$_params,$this);
1801 }
1802 }
1803
1804 return $disableAcquireCacheData;
1805 }
1806
1807 /**
1808 * Calculates the cache-hash
1809 * This hash is unique to the template, the variables ->id, ->type, ->gr_list (list of groups), ->MP (Mount Points) and cHash array
1810 * Used to get and later store the cached data.
1811 *
1812 * @return string MD5 hash of $this->hash_base which is a serialized version of there variables.
1813 * @access private
1814 * @see getFromCache()
1815 */
1816 function getHash() {
1817 $this->hash_base = serialize(
1818 array(
1819 'all' => $this->all,
1820 'id' => intval($this->id),
1821 'type' => intval($this->type),
1822 'gr_list' => (string)$this->gr_list,
1823 'MP' => (string)$this->MP,
1824 'cHash' => $this->cHash_array
1825 )
1826 );
1827
1828 return md5($this->hash_base);
1829 }
1830
1831 /**
1832 * Checks if config-array exists already but if not, gets it
1833 *
1834 * @return void
1835 */
1836 function getConfigArray() {
1837 $setStatPageName = false;
1838
1839 if (!is_array($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
1840 $GLOBALS['TT']->push('Parse template','');
1841
1842 // Force parsing, if set?:
1843 $this->tmpl->forceTemplateParsing = $this->forceTemplateParsing;
1844
1845 // Start parsing the TS template. Might return cached version.
1846 $this->tmpl->start($this->rootLine);
1847 $GLOBALS['TT']->pull();
1848
1849 if ($this->tmpl->loaded) {
1850 $GLOBALS['TT']->push('Setting the config-array','');
1851 // t3lib_div::print_array($this->tmpl->setup);
1852 $this->sPre = $this->tmpl->setup['types.'][$this->type]; // toplevel - objArrayName
1853 $this->pSetup = $this->tmpl->setup[$this->sPre.'.'];
1854
1855 if (!is_array($this->pSetup)) {
1856 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
1857 t3lib_div::sysLog('The page is not configured! [type= '.$this->type.']['.$this->sPre.']', 'cms', 3);
1858 $this->printError('The page is not configured! [type= '.$this->type.']['.$this->sPre.']');
1859 exit;
1860 } else {
1861 $this->config['config']=Array();
1862
1863 // Filling the config-array.
1864 if (is_array($this->tmpl->setup['config.'])) {
1865 $this->config['config'] = $this->tmpl->setup['config.'];
1866 }
1867 if (is_array($this->pSetup['config.'])) {
1868 reset($this->pSetup['config.']);
1869 while(list($theK,$theV)=each($this->pSetup['config.'])) {
1870 $this->config['config'][$theK] = $theV;
1871 }
1872 }
1873 // if .simulateStaticDocuments was not present, the default value will rule.
1874 if (!isset($this->config['config']['simulateStaticDocuments'])) {
1875 $this->config['config']['simulateStaticDocuments'] = trim($this->TYPO3_CONF_VARS['FE']['simulateStaticDocuments']);
1876 }
1877 if ($this->config['config']['simulateStaticDocuments']) {
1878 // Set replacement char only if it is needed
1879 $this->setSimulReplacementChar();
1880 }
1881
1882 // Set default values for removeDefaultJS, inlineStyle2TempFile and minifyJS so CSS and JS are externalized/minified if compatversion is higher than 4.0
1883 if (t3lib_div::compat_version('4.0')) {
1884 if (!isset($this->config['config']['removeDefaultJS'])) {
1885 $this->config['config']['removeDefaultJS'] = 'external';
1886 }
1887 if (!isset($this->config['config']['inlineStyle2TempFile'])) {
1888 $this->config['config']['inlineStyle2TempFile'] = 1;
1889 }
1890 if (!isset($this->config['config']['minifyJS'])) {
1891 $this->config['config']['minifyJS'] = 1;
1892 }
1893 }
1894
1895 // Processing for the config_array:
1896 $this->config['rootLine'] = $this->tmpl->rootLine;
1897 $this->config['mainScript'] = trim($this->config['config']['mainScript']) ? trim($this->config['config']['mainScript']) : 'index.php';
1898
1899 // STAT:
1900 $theLogFile = $this->TYPO3_CONF_VARS['FE']['logfile_dir'].strftime($this->config['config']['stat_apache_logfile']);
1901 // Add PATH_site left to $theLogFile if the path is not absolute yet
1902 if (!t3lib_div::isAbsPath($theLogFile)) $theLogFile = PATH_site.$theLogFile;
1903
1904 if ($this->config['config']['stat_apache'] && $this->config['config']['stat_apache_logfile'] && !strstr($this->config['config']['stat_apache_logfile'],'/')) {
1905 if (t3lib_div::isAllowedAbsPath($theLogFile)) {
1906 if (!@is_file($theLogFile)) {
1907 touch($theLogFile); // Try to create the logfile
1908 t3lib_div::fixPermissions($theLogFile);
1909 }
1910
1911 if (@is_file($theLogFile) && @is_writable($theLogFile)) {
1912 $this->config['stat_vars']['logFile'] = $theLogFile;
1913 $setStatPageName = true; // Set page name later on
1914 } else {
1915 $GLOBALS['TT']->setTSlogMessage('Could not set logfile path. Check filepath and permissions.',3);
1916 }
1917 }
1918 }
1919
1920 $this->config['FEData'] = $this->tmpl->setup['FEData'];
1921 $this->config['FEData.'] = $this->tmpl->setup['FEData.'];
1922 }
1923 $GLOBALS['TT']->pull();
1924 } else {
1925 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
1926 t3lib_div::sysLog('No template found!', 'cms', 3);
1927 $this->printError('No template found!');
1928 exit;
1929 }
1930 }
1931
1932 // Initialize charset settings etc.
1933 $this->initLLvars();
1934
1935 // We want nice names, so we need to handle the charset
1936 if ($setStatPageName) {
1937 // Make life easier and accept variants for utf-8
1938 if (preg_match('/utf-?8/i', $this->config['config']['stat_apache_niceTitle'])) {
1939 $this->config['config']['stat_apache_niceTitle'] = 'utf-8';
1940 }
1941 if ($this->config['config']['stat_apache_niceTitle'] == 'utf-8') {
1942 $shortTitle = $this->csConvObj->utf8_encode($this->page['title'],$this->renderCharset);
1943 } elseif ($this->config['config']['stat_apache_niceTitle']) {
1944 $shortTitle = $this->csConvObj->specCharsToASCII($this->renderCharset,$this->page['title']);
1945 } else {
1946 $shortTitle = $this->page['title'];
1947 }
1948 $len = t3lib_div::intInRange($this->config['config']['stat_apache_pageLen'],1,100,30);
1949 if ($this->config['config']['stat_apache_niceTitle'] == 'utf-8') {
1950 $shortTitle = rawurlencode($this->csConvObj->substr('utf-8',$shortTitle,0,$len));
1951 } else {
1952 $shortTitle = substr(preg_replace('/[^.[:alnum:]_-]/','_',$shortTitle),0,$len);
1953 }
1954 $pageName = $this->config['config']['stat_apache_pagenames'] ? $this->config['config']['stat_apache_pagenames'] : '[path][title]--[uid].html';
1955 $pageName = str_replace('[title]', $shortTitle ,$pageName);
1956 $pageName = str_replace('[uid]',$this->page['uid'],$pageName);
1957 $pageName = str_replace('[alias]',$this->page['alias'],$pageName);
1958 $pageName = str_replace('[type]',$this->type,$pageName);
1959 $temp = $this->config['rootLine'];
1960 array_pop($temp);
1961 if ($this->config['config']['stat_apache_noRoot']) {
1962 array_shift($temp);
1963 }
1964 $len = t3lib_div::intInRange($this->config['config']['stat_titleLen'],1,100,20);
1965 if ($this->config['config']['stat_apache_niceTitle'] == 'utf-8') {
1966 $path = '';
1967 $c = count($temp);
1968 for ($i=0; $i<$c; $i++) {
1969 if ($temp[$i]['uid']) {
1970 $p = $this->csConvObj->crop('utf-8',$this->csConvObj->utf8_encode($temp[$i]['title'],$this->renderCharset),$len,"\xE2\x80\xA6"); // U+2026; HORIZONTAL ELLIPSIS
1971 $path .= '/' . rawurlencode($p);
1972 }
1973 }
1974 } elseif ($this->config['config']['stat_apache_niceTitle']) {
1975 $path = $this->csConvObj->specCharsToASCII($this->renderCharset,$this->sys_page->getPathFromRootline($temp,$len));
1976 } else {
1977 $path = $this->sys_page->getPathFromRootline($temp,$len);
1978 }
1979 if ($this->config['config']['stat_apache_niceTitle'] == 'utf-8') {
1980 $this->config['stat_vars']['pageName'] = str_replace('[path]', $path.'/', $pageName);
1981 } else {
1982 $this->config['stat_vars']['pageName'] = str_replace('[path]', preg_replace('/[^.[:alnum:]\/_-]/','_',$path.'/'), $pageName);
1983 }
1984 }
1985
1986 // No cache
1987 if ($this->config['config']['no_cache']) { $this->set_no_cache(); } // Set $this->no_cache true if the config.no_cache value is set!
1988
1989 // Check PATH_INFO url
1990 if ($this->absRefPrefix_force && strcmp($this->config['config']['simulateStaticDocuments'],'PATH_INFO')) {
1991 $redirectUrl = t3lib_div::getIndpEnv('TYPO3_REQUEST_DIR').'index.php?id='.$this->id.'&type='.$this->type;
1992 if ($this->config['config']['simulateStaticDocuments_dontRedirectPathInfoError']) {
1993 header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
1994 t3lib_div::sysLog('PATH_INFO was not configured for this website, and the URL tries to find the page by PATH_INFO!', 'cms', 3);
1995 $this->printError('PATH_INFO was not configured for this website, and the URL tries to find the page by PATH_INFO!<br /><br /><a href="'.htmlspecialchars($redirectUrl).'">Click here to get to the right page.</a>','Error: PATH_INFO not configured');
1996 } else {
1997 header('Location: '.t3lib_div::locationHeaderUrl($redirectUrl));
1998 }
1999 exit;
2000 // $this->set_no_cache(); // Set no_cache if PATH_INFO is NOT used as simulateStaticDoc. and if absRefPrefix_force shows that such an URL has been passed along.
2001 }
2002 }
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017 /********************************************
2018 *
2019 * Further initialization and data processing
2020 * (jumpurl/submission of forms)
2021 *
2022 *******************************************/
2023
2024 /**
2025 * Get the compressed $TCA array for use in the front-end
2026 * 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.
2027 * Operates on the global variable, $TCA
2028 *
2029 * @return void
2030 * @see includeTCA()
2031 */
2032 function getCompressedTCarray() {
2033 global $TCA;
2034
2035 $GLOBALS['TT']->push('Get Compressed TC array');
2036 if (!$this->TCAloaded) {
2037 // Create hash string for storage / retrieval of cached content:
2038 $tempHash = md5('tables.php:'.
2039 filemtime(TYPO3_extTableDef_script ? PATH_typo3conf.TYPO3_extTableDef_script : PATH_t3lib.'stddb/tables.php').
2040 (TYPO3_extTableDef_script?filemtime(PATH_typo3conf.TYPO3_extTableDef_script):'').
2041 ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] ? filemtime(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php') : '')
2042 );
2043 // Try to fetch if:
2044 list($TCA,$this->TCAcachedExtras) = unserialize($this->sys_page->getHash($tempHash, 0));
2045 // If no result, create it:
2046 if (!is_array($TCA)) {
2047 $this->includeTCA(0);
2048 $newTc = Array();
2049 $this->TCAcachedExtras = array(); // Collects other information
2050
2051 foreach($TCA as $key => $val) {
2052 $newTc[$key]['ctrl'] = $val['ctrl'];
2053 $newTc[$key]['feInterface'] = $val['feInterface'];
2054
2055 // Collect information about localization exclusion of fields:
2056 t3lib_div::loadTCA($key);
2057 if (is_array($TCA[$key]['columns'])) {
2058 $this->TCAcachedExtras[$key]['l10n_mode'] = array();
2059 foreach($TCA[$key]['columns'] as $fN => $fV) {
2060 if ($fV['l10n_mode']) {
2061 $this->TCAcachedExtras[$key]['l10n_mode'][$fN] = $fV['l10n_mode'];
2062 }
2063 }
2064 }
2065 }
2066
2067 // Store it in cache:
2068 $TCA = $newTc;
2069 $this->sys_page->storeHash($tempHash, serialize(array($newTc,$this->TCAcachedExtras)), 'SHORT TC');
2070 }
2071 }
2072 $GLOBALS['TT']->pull();
2073 }
2074
2075 /**
2076 * Includes full TCA.
2077 * Normally in the frontend only a part of the global $TCA array is loaded, for instance the "ctrl" part. Thus it doesn't take up too much memory.
2078 * If you need the FULL TCA available for some reason (like plugins using it) you should call this function which will include the FULL TCA.
2079 * Global vars $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS can/will be affected.
2080 * The flag $this->TCAloaded will make sure that such an inclusion happens only once since; If $this->TCAloaded is set, nothing is included.
2081 *
2082 * @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 $this->TCAloaded after inclusion and therefore if its false, another inclusion will be possible on the next call. See ->getCompressedTCarray())
2083 * @return void
2084 * @see getCompressedTCarray()
2085 */
2086 function includeTCA($TCAloaded=1) {
2087 global $TCA, $PAGES_TYPES, $LANG_GENERAL_LABELS, $TBE_MODULES;
2088 if (!$this->TCAloaded) {
2089 $TCA = Array();
2090 include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
2091 // Extension additions
2092 if ($GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE']) {
2093 include(PATH_typo3conf.$GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'].'_ext_tables.php');
2094 } else {
2095 include(PATH_t3lib.'stddb/load_ext_tables.php');
2096 }
2097 // ext-script
2098 if (TYPO3_extTableDef_script) {
2099 include (PATH_typo3conf.TYPO3_extTableDef_script);
2100 }
2101
2102 $this->TCAloaded = $TCAloaded;
2103 }
2104 }
2105
2106 /**
2107 * Setting the language key that'll be used by the current page.
2108 * 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.
2109 *
2110 * @return void
2111 * @access private
2112 */
2113 function settingLanguage() {
2114
2115 // Get values from TypoScript:
2116 $this->sys_language_uid = $this->sys_language_content = intval($this->config['config']['sys_language_uid']);
2117 list($this->sys_language_mode,$sys_language_content) = t3lib_div::trimExplode(';', $this->config['config']['sys_language_mode']);
2118 $this->sys_language_contentOL = $this->config['config']['sys_language_overlay'];
2119
2120 // If sys_language_uid is set to another language than default:
2121 if ($this->sys_language_uid>0) {
2122 // Request the overlay record for the sys_language_uid:
2123 $olRec = $this->sys_page->getPageOverlay($this->id, $this->sys_language_uid);
2124 if (!count($olRec)) {
2125
2126 // If no OL record exists and a foreign language is asked for...
2127 if ($this->sys_language_uid) {
2128
2129 // If requested translation is not available:
2130 if (t3lib_div::hideIfNotTranslated($this->page['l18n_cfg'])) {
2131 $this->pageNotFoundAndExit('Page is not available in the requested language.');
2132 } else {
2133 switch((string)$this->sys_language_mode) {
2134 case 'strict':
2135 $this->pageNotFoundAndExit('Page is not available in the requested language (strict).');
2136 break;
2137 case 'content_fallback':
2138 $fallBackOrder = t3lib_div::intExplode(',', $sys_language_content);
2139 foreach($fallBackOrder as $orderValue) {
2140 if (!strcmp($orderValue,'0') || count($this->sys_page->getPageOverlay($this->id, $orderValue))) {
2141 $this->sys_language_content = $orderValue; // Setting content uid (but leaving the sys_language_uid)
2142 break;
2143 }
2144 }
2145 break;
2146 case 'ignore':
2147 $this->sys_language_content = $this->sys_language_uid;
2148 break;
2149 default:
2150 // Default is that everything defaults to the default language...
2151 $this->sys_language_uid = $this->sys_language_content = 0;
2152 break;
2153 }
2154 }
2155 }
2156 } else {
2157 // Setting sys_language if an overlay record was found (which it is only if a language is used)
2158 $this->page = $this->sys_page->getPageOverlay($this->page, $this->sys_language_uid);
2159 }
2160 }
2161
2162 // Setting sys_language_uid inside sys-page:
2163 $this->sys_page->sys_language_uid = $this->sys_language_uid;
2164
2165 // If default translation is not available:
2166 if ((!$this->sys_language_uid || !$this->sys_language_content) && $this->page['l18n_cfg']&1) {
2167 $this->pageNotFoundAndExit('Page is not available in default language.');
2168 }
2169
2170 // Updating content of the two rootLines IF the language key is set!
2171 if ($this->sys_language_uid && is_array($this->tmpl->rootLine)) {
2172 reset($this->tmpl->rootLine);
2173 while(list($rLk)=each($this->tmpl->rootLine)) {
2174 $this->tmpl->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->tmpl->rootLine[$rLk]);
2175 }
2176 }
2177 if ($this->sys_language_uid && is_array($this->rootLine)) {
2178 reset($this->rootLine);
2179 while(list($rLk)=each($this->rootLine)) {
2180 $this->rootLine[$rLk] = $this->sys_page->getPageOverlay($this->rootLine[$rLk]);
2181 }
2182 }
2183
2184 // Finding the ISO code:
2185 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"
2186 $sys_language_row = $this->sys_page->getRawRecord('sys_language',$this->sys_language_content,'static_lang_isocode');
2187 if (is_array($sys_language_row) && $sys_language_row['static_lang_isocode']) {
2188 $stLrow = $this->sys_page->getRawRecord('static_languages',$sys_language_row['static_lang_isocode'],'lg_iso_2');
2189 $this->sys_language_isocode = $stLrow['lg_iso_2'];
2190 }
2191 }
2192
2193 // Setting softMergeIfNotBlank:
2194 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softMergeIfNotBlank'],1);
2195 foreach($table_fields as $TF) {
2196 list($tN,$fN) = explode(':',$TF);
2197 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'mergeIfNotBlank';
2198 }
2199
2200 // Setting softExclude:
2201 $table_fields = t3lib_div::trimExplode(',', $this->config['config']['sys_language_softExclude'],1);
2202 foreach($table_fields as $TF) {
2203 list($tN,$fN) = explode(':',$TF);
2204 $this->TCAcachedExtras[$tN]['l10n_mode'][$fN] = 'exclude';
2205 }
2206 }
2207
2208 /**
2209 * Setting locale for frontend rendering
2210 *
2211 * @return void
2212 */
2213 function settingLocale() {
2214
2215 // Setting locale
2216 if ($this->config['config']['locale_all']) {
2217 # Change by Rene Fritz, 22/10 2002
2218 # 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
2219 # this does not work in php 4.2.3
2220 #setlocale('LC_ALL',$this->config['config']['locale_all']);
2221 #setlocale('LC_NUMERIC','en_US');
2222
2223 # so we set all except LC_NUMERIC
2224 setlocale(LC_COLLATE,$this->config['config']['locale_all']);
2225 setlocale(LC_CTYPE,$this->config['config']['locale_all']);
2226 setlocale(LC_MONETARY,$this->config['config']['locale_all']);
2227 setlocale(LC_TIME,$this->config['config']['locale_all']);
2228
2229 $this->localeCharset = $this->csConvObj->get_locale_charset($this->config['config']['locale_all']);
2230 }
2231 }
2232
2233 /**
2234 * Checks if any email-submissions or submission via the fe_tce
2235 *
2236 * @return string "email" if a formmail has been sent, "fe_tce" if front-end data submission (like forums, guestbooks) is sent. "" if none.
2237 */
2238 function checkDataSubmission() {
2239 $ret = '';
2240 $formtype_db = isset($_POST['formtype_db']) || isset($_POST['formtype_db_x']);
2241 $formtype_mail = isset($_POST['formtype_mail']) || isset($_POST['formtype_mail_x']);
2242 if ($formtype_db || $formtype_mail) {
2243 $refInfo = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2244 if (t3lib_div::getIndpEnv('TYPO3_HOST_ONLY')==$refInfo['host'] || $this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2245 if ($this->locDataCheck($_POST['locationData'])) {
2246 if ($formtype_mail) {
2247 $ret = 'email';
2248 } elseif ($formtype_db && is_array($_POST['data'])) {
2249 $ret = 'fe_tce';
2250 }
2251 $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": Return value: '.$ret,0);
2252 return $ret;
2253 }
2254 } else $GLOBALS['TT']->setTSlogMessage('"Check Data Submission": HTTP_HOST and REFERER HOST did not match when processing submitted formdata!',3);
2255 }
2256
2257 // Hook for processing data submission to extensions:
2258 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'])) {
2259 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] as $_classRef) {
2260 $_procObj = &t3lib_div::getUserObj($_classRef);
2261 $_procObj->checkDataSubmission($this);
2262 }
2263 }
2264 return $ret;
2265 }
2266
2267 /**
2268 * Processes submitted user data (obsolete "Frontend TCE")
2269 *
2270 * @return void
2271 * @see tslib_feTCE
2272 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=342&cHash=fdf55adb3b
2273 */
2274 function fe_tce() {
2275 $fe_tce = t3lib_div::makeInstance('tslib_feTCE');
2276 $fe_tce->start(t3lib_div::_POST('data'),$this->config['FEData.']);
2277 $fe_tce->includeScripts();
2278 }
2279
2280 /**
2281 * Checks if a formmail submission can be sent as email
2282 *
2283 * @param string The input from $_POST['locationData']
2284 * @return void
2285 * @access private
2286 * @see checkDataSubmission()
2287 */
2288 function locDataCheck($locationData) {
2289 $locData = explode(':',$locationData);
2290 if (!$locData[1] || $this->sys_page->checkRecord($locData[1],$locData[2],1)) {
2291 if (count($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.
2292 return 1;
2293 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: The page pointed to by location data ('.$locationData.') was not accessible.',2);
2294 } else $GLOBALS['TT']->setTSlogMessage('LocationData Error: Location data ('.$locationData.') record pointed to was not accessible.',2);
2295 }
2296
2297 /**
2298 * Sends the emails from the formmail content object.
2299 *
2300 * @return void
2301 * @access private
2302 * @see checkDataSubmission()
2303 */
2304 function sendFormmail() {
2305 $formmail = t3lib_div::makeInstance('t3lib_formmail');
2306
2307 $EMAIL_VARS = t3lib_div::_POST();
2308 $locationData = $EMAIL_VARS['locationData'];
2309 unset($EMAIL_VARS['locationData']);
2310 unset($EMAIL_VARS['formtype_mail'], $EMAIL_VARS['formtype_mail_x'], $EMAIL_VARS['formtype_mail_y']);
2311
2312 $integrityCheck = $this->TYPO3_CONF_VARS['FE']['strictFormmail'];
2313
2314 if (!$this->TYPO3_CONF_VARS['FE']['secureFormmail']) {
2315 // Check recipient field:
2316 $encodedFields = explode(',','recipient,recipient_copy'); // These two fields are the ones which contain recipient addresses that can be misused to send mail from foreign servers.
2317 foreach ($encodedFields as $fieldKey) {
2318 if (strlen($EMAIL_VARS[$fieldKey])) {
2319 if ($res = $this->codeString($EMAIL_VARS[$fieldKey], TRUE)) { // Decode...
2320 $EMAIL_VARS[$fieldKey] = $res; // Set value if OK
2321 } elseif ($integrityCheck) { // Otherwise abort:
2322 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. Sending formmail aborted due to security reasons!',3);
2323 return false;
2324 } else {
2325 $GLOBALS['TT']->setTSlogMessage('"Formmail" discovered a field ('.$fieldKey.') which could not be decoded to a valid string. The security level accepts this, but you should consider a correct coding though!',2);
2326 }
2327 }
2328 }
2329 } else {
2330 $locData = explode(':',$locationData);
2331 $record = $this->sys_page->checkRecord($locData[1],$locData[2],1);
2332 $EMAIL_VARS['recipient'] = $record['subheader'];
2333 $EMAIL_VARS['recipient_copy'] = $this->extractRecipientCopy($record['bodytext']);
2334 }
2335
2336 // Hook for preprocessing of the content for formmails:
2337 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'])) {
2338 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['sendFormmail-PreProcClass'] as $_classRef) {
2339 $_procObj = &t3lib_div::getUserObj($_classRef);
2340 $EMAIL_VARS = $_procObj->sendFormmail_preProcessVariables($EMAIL_VARS,$this);
2341 }
2342 }
2343
2344 $formmail->start($EMAIL_VARS);
2345 $formmail->sendtheMail();
2346 $GLOBALS['TT']->setTSlogMessage('"Formmail" invoked, sending mail to '.$EMAIL_VARS['recipient'],0);
2347 }
2348
2349 /**
2350 * Extracts the value of recipient copy field from a formmail CE bodytext
2351 *
2352 * @param string $bodytext The content of the related bodytext field
2353 * @return string The value of the recipient_copy field, or an empty string
2354 */
2355 function extractRecipientCopy($bodytext) {
2356 $recipient_copy = '';
2357 $fdef = array();
2358 //|recipient_copy=hidden|karsten@localhost.localdomain
2359 preg_match('/^[\s]*\|[\s]*recipient_copy[\s]*=[\s]*hidden[\s]*\|(.*)$/m', $bodytext, $fdef);
2360 $recipient_copy = (!empty($fdef[1])) ? $fdef[1] : '';
2361 return $recipient_copy;
2362 }
2363
2364 /**
2365 * Sets the jumpurl for page type "External URL"
2366 *
2367 * @return void
2368 */
2369 function setExternalJumpUrl() {
2370 if ($extUrl = $this->sys_page->getExtURL($this->page, $this->config['config']['disablePageExternalUrl'])) {
2371 $this->jumpurl = $extUrl;
2372 }
2373 }
2374
2375 /**
2376 * Checks the jumpurl referer if required
2377 *
2378 * @return void
2379 */
2380 function checkJumpUrlReferer() {
2381 if (strcmp($this->jumpurl,'') && !$this->TYPO3_CONF_VARS['SYS']['doNotCheckReferer']) {
2382 $referer = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
2383 if (isset($referer['host']) && !($referer['host'] == t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'))) {
2384 unset($this->jumpurl);
2385 }
2386 }
2387 }
2388
2389 /**
2390 * Sends a header 'Location' to jumpurl, if jumpurl is set.
2391 * Will exit if a location header is sent (for instance if JumpUrl was triggered)
2392 *
2393 * @return void
2394 */
2395 function jumpUrl() {
2396 if ($this->jumpurl) {
2397 if (t3lib_div::_GP('juSecure')) {
2398 $hArr = array(
2399 $this->jumpurl,
2400 t3lib_div::_GP('locationData'),
2401 $this->TYPO3_CONF_VARS['SYS']['encryptionKey']
2402 );
2403 $calcJuHash=t3lib_div::shortMD5(serialize($hArr));
2404 $locationData = t3lib_div::_GP('locationData');
2405 $juHash = t3lib_div::_GP('juHash');
2406 if ($juHash == $calcJuHash) {
2407 if ($this->locDataCheck($locationData)) {
2408 $this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
2409 if (@is_file($this->jumpurl)) {
2410 $mimeType = t3lib_div::_GP('mimeType');
2411 $mimeType = $mimeType ? $mimeType : 'application/octet-stream';
2412 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
2413 header('Content-Type: '.$mimeType);
2414 header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
2415 readfile($this->jumpurl);
2416 exit;
2417 } else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
2418 } else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
2419 } else die('jumpurl Secure: Calculated juHash, '.$calcJuHash.', did not match the submitted juHash.');
2420 } else {
2421 $TSConf = $this->getPagesTSconfig();
2422 if ($TSConf['TSFE.']['jumpUrl_transferSession']) {
2423 $uParts = parse_url($this->jumpurl);
2424 $params = '&FE_SESSION_KEY='.rawurlencode($this->fe_user->id.'-'.md5($this->fe_user->id.'/'.$this->TYPO3_CONF_VARS['SYS']['encryptionKey']));
2425 $this->jumpurl.= ($uParts['query']?'':'?').$params; // Add the session parameter ...
2426 }
2427 header('Location: '.$this->jumpurl);
2428 exit;
2429 }
2430 }
2431 }
2432
2433 /**
2434 * Sets the URL_ID_TOKEN in the internal var, $this->getMethodUrlIdToken
2435 *
2436 * @return void
2437 * @access private
2438 */
2439 function setUrlIdToken() {
2440 if ($this->config['config']['ftu']) {
2441 $this->getMethodUrlIdToken = $this->TYPO3_CONF_VARS['FE']['get_url_id_token'];
2442 } else {
2443 $this->getMethodUrlIdToken = '';
2444 }
2445 }
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470 /********************************************
2471 *
2472 * Page generation; cache handling
2473 *
2474 *******************************************/
2475
2476 /**
2477 * Returns true if the page should be generated
2478 * That is if jumpurl is not set and the cacheContentFlag is not set.
2479 *
2480 * @return boolean
2481 */
2482 function isGeneratePage() {
2483 return (!$this->cacheContentFlag && !$this->jumpurl);
2484 }
2485
2486 /**
2487 * Temp cache content
2488 * 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.
2489 *
2490 * @return void
2491 */
2492 function tempPageCacheContent() {
2493 $this->tempContent = false;
2494
2495 if (!$this->no_cache) {
2496 $seconds = 30;
2497 $title = htmlspecialchars($this->tmpl->printTitle($this->page['title']));
2498 $request_uri = htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI'));
2499
2500 $stdMsg = '
2501 <strong>Page is being generated.</strong><br />
2502 If this message does not disappear within '.$seconds.' seconds, please reload.';
2503
2504 $message = $this->config['config']['message_page_is_being_generated'];
2505 if (strcmp('', $message)) {
2506 $message = $this->csConvObj->utf8_encode($message,$this->renderCharset); // This page is always encoded as UTF-8
2507 $message = str_replace('###TITLE###', $title, $message);
2508 $message = str_replace('###REQUEST_URI###', $request_uri, $message);
2509 } else $message = $stdMsg;
2510
2511 $temp_content = '<?xml version="1.0" encoding="UTF-8"?>
2512 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2513 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2514 <html xmlns="http://www.w3.org/1999/xhtml">
2515 <head>
2516 <title>'.$title.'</title>
2517 <meta http-equiv="refresh" content="10" />
2518 </head>
2519 <body style="background-color:white; font-family:Verdana,Arial,Helvetica,sans-serif; color:#cccccc; text-align:center;">'.
2520 $message.'
2521 </body>
2522 </html>';
2523
2524 // Fix 'nice errors' feature in modern browsers
2525 $padSuffix = '<!--pad-->'; // prevent any trims
2526 $padSize = 768 - strlen($padSuffix) - strlen($temp_content);
2527 if ($padSize > 0) {
2528 $temp_content = str_pad($temp_content, $padSize, "\n") . $padSuffix;
2529 }
2530
2531 if (!$this->headerNoCache() && $cachedRow = $this->getFromCache_queryRow()) {
2532 // 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.
2533 // This is either the "Page is being generated" screen or it can be the final result.
2534 // In any case we should not begin another rendering process also, so we silently disable caching and render the page ourselves and thats it.
2535 // 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...
2536 $this->set_no_cache();
2537 } else {
2538 $this->tempContent = TRUE; // This flag shows that temporary content is put in the cache
2539 $this->setPageCacheContent($temp_content, $this->config, $GLOBALS['EXEC_TIME']+$seconds);
2540 }
2541 }
2542 }
2543
2544 /**
2545 * Set cache content to $this->content
2546 *
2547 * @return void
2548 */
2549 function realPageCacheContent() {
2550 $cache_timeout = $this->get_cache_timeout(); // seconds until a cached page is too old
2551 $timeOutTime = $GLOBALS['EXEC_TIME']+$cache_timeout;
2552 if ($this->config['config']['cache_clearAtMidnight']) {
2553 $midnightTime = mktime (0,0,0,date('m',$timeOutTime),date('d',$timeOutTime),date('Y',$timeOutTime));
2554 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.
2555 $timeOutTime = $midnightTime;
2556 }
2557 }
2558 $this->tempContent = false;
2559 $this->setPageCacheContent($this->content, $this->config, $timeOutTime);
2560
2561 // Hook for cache post processing (eg. writing static files!)
2562 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'])) {
2563 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['insertPageIncache'] as $_classRef) {
2564 $_procObj = &t3lib_div::getUserObj($_classRef);
2565 $_procObj->insertPageIncache($this,$timeOutTime);
2566 }
2567 }
2568 }
2569
2570 /**
2571 * Sets cache content; Inserts the content string into the cache_pages table.
2572 *
2573 * @param string The content to store in the HTML field of the cache table
2574 * @param mixed The additional cache_data array, fx. $this->config
2575 * @param integer Timestamp
2576 * @return void
2577 * @see realPageCacheContent(), tempPageCacheContent()
2578 */
2579 function setPageCacheContent($content,$data,$tstamp) {
2580 $this->clearPageCacheContent();
2581 $insertFields = array(
2582 'hash' => $this->newHash,
2583 'page_id' => $this->id,
2584 'HTML' => $content,
2585 'temp_content' => $this->tempContent,
2586 'cache_data' => serialize($data),
2587 'expires' => $tstamp,
2588 'tstamp' => $GLOBALS['EXEC_TIME']
2589 );
2590
2591 $this->cacheExpires = $tstamp;
2592
2593 if ($this->page_cache_reg1) {
2594 $insertFields['reg1'] = intval($this->page_cache_reg1);
2595 }
2596 $this->pageCachePostProcess($insertFields,'set');
2597
2598 $GLOBALS['TYPO3_DB']->exec_INSERTquery('cache_pages', $insertFields);
2599 }
2600
2601 /**
2602 * Clears cache content (for $this->newHash)
2603 *
2604 * @return void
2605 */
2606 function clearPageCacheContent() {
2607 $GLOBALS['TYPO3_DB']->exec_DELETEquery('cache_pages', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->newHash, 'cache_pages'));
2608 }
2609
2610 /**
2611 * Clears cache content for a list of page ids
2612 *
2613 * @param string A list of INTEGER numbers which points to page uids for which to clear entries in the cache_pages table (page content cache)
2614 * @return void
2615 */
2616 function clearPageCacheContent_pidList($pidList) {
2617 $GLOBALS['TYPO3_DB']->exec_DELETEquery('cache_pages', 'page_id IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($pidList).')');
2618 }
2619
2620 /**
2621 * Post processing page cache rows for both get and set.
2622 *
2623 * @param array Input "cache_pages" row, passed by reference!
2624 * @param string Type of operation, either "get" or "set"
2625 * @return void
2626 */
2627 function pageCachePostProcess(&$row,$type) {
2628
2629 if ($this->TYPO3_CONF_VARS['FE']['pageCacheToExternalFiles']) {
2630 $cacheFileName = PATH_site.'typo3temp/cache_pages/'.$row['hash']{0}.$row['hash']{1}.'/'.$row['hash'].'.html';
2631 switch((string)$type) {
2632 case 'get':
2633 $row['HTML'] = @is_file($cacheFileName) ? t3lib_div::getUrl($cacheFileName) : '<!-- CACHING ERROR, sorry -->';
2634 break;
2635 case 'set':
2636 t3lib_div::writeFileToTypo3tempDir($cacheFileName,$row['HTML']);
2637 $row['HTML'] = '';
2638 break;
2639 }
2640 }
2641 }
2642
2643 /**
2644 * Sets sys last changed
2645 * Setting the SYS_LASTCHANGED value in the pagerecord: This value will thus be set to the highest tstamp of records rendered on the page. This includes all records with no regard to hidden records, userprotection and so on.
2646 *
2647 * @return void
2648 * @see tslib_cObj::lastChanged()
2649 */
2650 function setSysLastChanged() {
2651 if ($this->page['SYS_LASTCHANGED'] < intval($this->register['SYS_LASTCHANGED'])) {
2652 $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='.intval($this->id), array('SYS_LASTCHANGED' => intval($this->register['SYS_LASTCHANGED'])));
2653 }
2654 }
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675 /********************************************
2676 *
2677 * Page generation; rendering and inclusion
2678 *
2679 *******************************************/
2680
2681 /**
2682 * Does some processing BEFORE the pagegen script is included.
2683 *
2684 * @return void
2685 */
2686 function generatePage_preProcessing() {
2687 ksort($this->all);
2688 // Same codeline as in getFromCache(). BUT $this->all has been set in the meantime, so we can't just skip this line and let it be set above! Keep this line!
2689 $this->newHash = $this->getHash();
2690 $this->config['hash_base'] = $this->hash_base; // For cache management informational purposes.
2691
2692 // 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.
2693 $this->tempPageCacheContent();
2694
2695 // Setting cache_timeout_default. May be overridden by PHP include scritps.
2696 $this->cacheTimeOutDefault = intval($this->config['config']['cache_period']);
2697
2698 // page is generated
2699 $this->no_cacheBeforePageGen = $this->no_cache;
2700 }
2701
2702 /**
2703 * Determines to include custom or pagegen.php script
2704 * returns script-filename if a TypoScript (config) script is defined and should be include instead of pagegen.php
2705 *
2706 * @return string The relative filepath of "config.pageGenScript" if found and allowed
2707 */
2708 function generatePage_whichScript() {
2709 if (!$this->TYPO3_CONF_VARS['FE']['noPHPscriptInclude'] && $this->config['config']['pageGenScript']) {
2710 return $this->tmpl->getFileName($this->config['config']['pageGenScript']);
2711 }
2712 }
2713
2714 /**
2715 * Does some processing AFTER the pagegen script is included.
2716 * This includes calling tidy (if configured), XHTML cleaning (if configured), caching the page, indexing the page (if configured) and setting sysLastChanged
2717 *
2718 * @return void
2719 */
2720 function generatePage_postProcessing() {
2721 // 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.
2722 if ($this->no_cacheBeforePageGen) $this->set_no_cache();
2723
2724 // Tidy up the code, if flag...
2725 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'all') {
2726 $GLOBALS['TT']->push('Tidy, all','');
2727 $this->content = $this->tidyHTML($this->content);
2728 $GLOBALS['TT']->pull();
2729 }
2730
2731 // XHTML-clean the code, if flag set
2732 if ($this->doXHTML_cleaning() == 'all') {
2733 $GLOBALS['TT']->push('XHTML clean, all','');
2734 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2735 $this->content = $XHTML_clean->XHTML_clean($this->content);
2736 $GLOBALS['TT']->pull();
2737 }
2738
2739 // Fix local anchors in links, if flag set
2740 if ($this->doLocalAnchorFix() == 'all') {
2741 $GLOBALS['TT']->push('Local anchor fix, all','');
2742 $this->prefixLocalAnchorsWithScript();
2743 $GLOBALS['TT']->pull();
2744 }
2745
2746 // Hook for post-processing of page content cached/non-cached:
2747 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'])) {
2748 $_params = array('pObj' => &$this);
2749 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'] as $_funcRef) {
2750 t3lib_div::callUserFunction($_funcRef,$_params,$this);
2751 }
2752 }
2753
2754 // Processing if caching is enabled:
2755 if (!$this->no_cache) {
2756 // Tidy up the code, if flag...
2757 if ($this->TYPO3_CONF_VARS['FE']['tidy_option'] == 'cached') {
2758 $GLOBALS['TT']->push('Tidy, cached','');
2759 $this->content = $this->tidyHTML($this->content);
2760 $GLOBALS['TT']->pull();
2761 }
2762 // XHTML-clean the code, if flag set
2763 if ($this->doXHTML_cleaning() == 'cached') {
2764 $GLOBALS['TT']->push('XHTML clean, cached','');
2765 $XHTML_clean = t3lib_div::makeInstance('t3lib_parsehtml');
2766 $this->content = $XHTML_clean->XHTML_clean($this->content);
2767 $GLOBALS['TT']->pull();
2768 }
2769 // Fix local anchors in links, if flag set
2770 if ($this->doLocalAnchorFix() == 'cached') {
2771 $GLOBALS['TT']->push('Local anchor fix, cached','');
2772 $this->prefixLocalAnchorsWithScript();
2773 $GLOBALS['TT']->pull();
2774 }
2775
2776 // Hook for post-processing of page content before being cached:
2777 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'])) {
2778 $_params = array('pObj' => &$this);
2779 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-cached'] as $_funcRef) {
2780 t3lib_div::callUserFunction($_funcRef,$_params,$this);
2781 }
2782 }
2783 }
2784
2785 // Convert char-set for output: (should be BEFORE indexing of the content (changed 22/4 2005)), because otherwise indexed search might convert from the wrong charset! One thing is that the charset mentioned in the HTML header would be wrong since the output charset (metaCharset) has not been converted to from renderCharset. And indexed search will internally convert from metaCharset to renderCharset so the content MUST be in metaCharset already!
2786 $this->content = $this->convOutputCharset($this->content,'mainpage');
2787
2788 // Hook for indexing pages
2789 if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'])) {
2790 foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['pageIndexing'] as $_classRef) {
2791 $_procObj = &t3lib_div::getUserObj($_classRef);
2792 $_procObj->hook_indexContent($this);
2793 }
2794 }
2795
2796 // Storing for cache:
2797 if (!$this->no_cache) {
2798 $this->realPageCacheContent();
2799 } elseif ($this->tempContent) { // If there happens to be temporary content in the cache and the cache was not cleared due to new content put in it... ($this->no_cache=0)
2800 $this->clearPageCacheContent();
2801 $this->tempContent = false;
2802 }
2803
2804 // Sets sys-last-change:
2805 $this->setSysLastChanged();
2806 }
2807
2808 /**
2809 * Processes the INTinclude-scripts
2810 *
2811 * @return void
2812 */
2813 function INTincScript() {
2814 $GLOBALS['TT']->push('Split content');
2815 $INTiS_splitC = explode('<!--INT_SCRIPT.',$this->content); // Splits content with the key.
2816 $this->content='';
2817 $GLOBALS['TT']->setTSlogMessage('Parts: '.count($INTiS_splitC));
2818 $GLOBALS['TT']->pull();
2819
2820 // Deprecated stuff:
2821 $this->additionalHeaderData = is_array($this->config['INTincScript_ext']['additionalHeaderData']) ? $this->config['INTincScript_ext']['additionalHeaderData'] : array();
2822 $this->additionalJavaScript = $this->config['INTincScript_ext']['additionalJavaScript'];
2823 $this->additionalCSS = $this->config['INTincScript_ext']['additionalCSS'];
2824 $this->JSCode = $this->additionalHeaderData['JSCode'];
2825 $this->JSImgCode = $this->additionalHeaderData['JSImgCode'];
2826 $this->divSection='';
2827
2828 $INTiS_config = $GLOBALS['TSFE']->config['INTincScript'];
2829 foreach($INTiS_splitC as $INTiS_c => $INTiS_cPart) {
2830 if (substr($INTiS_cPart,32,3)=='-->') { // If the split had a comment-end after 32 characters it's probably a split-string
2831 $INTiS_key = 'INT_SCRIPT.'.substr($INTiS_cPart,0,32);
2832 $GLOBALS['TT']->push('Include '.$INTiS_config[$INTiS_key]['file'],'');
2833 $incContent='';
2834 if (is_array($INTiS_config[$INTiS_key])) {
2835 $INTiS_cObj = unserialize($INTiS_config[$INTiS_key]['cObj']);
2836 $INTiS_cObj->INT_include=1;
2837 switch($INTiS_config[$INTiS_key]['type']) {
2838 case 'SCRIPT':
2839 $incContent = $INTiS_cObj->PHP_SCRIPT($INTiS_config[$INTiS_key]['conf']);
2840 break;
2841 case 'COA':
2842 $incContent = $INTiS_cObj->COBJ_ARRAY($INTiS_config[$INTiS_key]['conf']);
2843 break;
2844 case 'FUNC':
2845 $incContent = $INTiS_cObj->USER($INTiS_config[$INTiS_key]['conf']);
2846 break;
2847 case 'POSTUSERFUNC':
2848 $incContent = $INTiS_cObj->callUserFunction($INTiS_config[$INTiS_key]['postUserFunc'], $INTiS_config[$INTiS_key]['conf'], $INTiS_config[$INTiS_key]['content']);
2849 break;
2850 }
2851 }
2852 $this->content.= $this->convOutputCharset($incContent,'INC-'.$INTiS_c);
2853 $this->content.= substr($INTiS_cPart,35);
2854 $GLOBALS['TT']->pull($incContent);
2855 } else {
2856 $this->content.= ($INTiS_c?'<!--INT_SCRIPT.':'').$INTiS_cPart;
2857 }
2858 }
2859 $GLOBALS['TT']->push('Substitute header section');
2860 $this->INTincScript_loadJSCode();
2861 $this->content = str_replace('<!--HD_'.$this->config['INTincScript_ext']['divKey'].'-->', $this->convOutputCharset(implode(chr(10),$this->additionalHeaderData),'HD'), $this->content);
2862 $this->content = str_replace('<!--TDS_'.$this->config['INTincScript_ext']['divKey'].'-->', $this->convOutputCharset($this->divSection,'TDS'), $this->content);
2863 $this->setAbsRefPrefix();
2864 $GLOBALS['TT']->pull();
2865 }
2866
2867 /**
2868 * Loads the JavaScript code for INTincScript
2869 *
2870 * @return void
2871 * @access private
2872 */
2873 function INTincScript_loadJSCode() {