t3lib/class.t3lib_page.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2010 Kasper Skårhøj (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  * Contains a class with "Page functions" mainly for the frontend
  29  *
  30  * $Id$
  31  * Revised for TYPO3 3.6 2/2003 by Kasper Skårhøj
  32  * XHTML-trans compliant
  33  *
  34  * @author      Kasper Skårhøj <kasperYYYY@typo3.com>
  35  */
  36 /**
  37  * [CLASS/FUNCTION INDEX of SCRIPT]
  38  *
  39  *
  40  *
  41  *  109: class t3lib_pageSelect
  42  *  134:     function init($show_hidden)
  43  *
  44  *              SECTION: Selecting page records
  45  *  184:     function getPage($uid, $disableGroupAccessCheck=FALSE)
  46  *  200:     function getPage_noCheck($uid)
  47  *  216:     function getFirstWebPage($uid)
  48  *  234:     function getPageIdFromAlias($alias)
  49  *  250:     function getPageOverlay($pageInput,$lUid=-1)
  50  *  314:     function getRecordOverlay($table,$row,$sys_language_content,$OLmode='')
  51  *
  52  *              SECTION: Page related: Menu, Domain record, Root line
  53  *  413:     function getMenu($uid,$fields='*',$sortField='sorting',$addWhere='',$checkShortcuts=1)
  54  *  471:     function getDomainStartPage($domain, $path='',$request_uri='')
  55  *  519:     function getRootLine($uid, $MP='', $ignoreMPerrors=FALSE)
  56  *  640:     function getPathFromRootline($rl,$len=20)
  57  *  661:     function getExtURL($pagerow,$disable=0)
  58  *  685:     function getMountPointInfo($pageId, $pageRec=FALSE, $prevMountPids=array(), $firstPageUid=0)
  59  *
  60  *              SECTION: Selecting records in general
  61  *  762:     function checkRecord($table,$uid,$checkPage=0)
  62  *  797:     function getRawRecord($table,$uid,$fields='*',$noWSOL=FALSE)
  63  *  823:     function getRecordsByField($theTable,$theField,$theValue,$whereClause='',$groupBy='',$orderBy='',$limit='')
  64  *
  65  *              SECTION: Caching and standard clauses
  66  *  875:     function getHash($hash)
  67  *  898:     function storeHash($hash,$data,$ident)
  68  *  916:     function deleteClause($table)
  69  *  936:     function enableFields($table,$show_hidden=-1,$ignore_array=array(),$noVersionPreview=FALSE)
  70  * 1008:     function getMultipleGroupsWhereClause($field, $table)
  71  *
  72  *              SECTION: Versioning Preview
  73  * 1055:     function fixVersioningPid($table,&$rr)
  74  * 1096:     function versionOL($table,&$row)
  75  * 1151:     function getWorkspaceVersionOfRecord($workspace, $table, $uid, $fields='*')
  76  *
  77  * TOTAL FUNCTIONS: 24
  78  * (This index is automatically created/updated by the extension "extdeveval")
  79  *
  80  */
  81
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  98
  99 /**
 100  * Page functions, a lot of sql/pages-related functions
 101  * Mainly used in the frontend but also in some cases in the backend.
 102  * It's important to set the right $where_hid_del in the object so that the functions operate properly
 103  *
 104  * @author      Kasper Skårhøj <kasperYYYY@typo3.com>
 105  * @package TYPO3
 106  * @subpackage t3lib
 107  * @see tslib_fe::fetch_the_id()
 108  */
 109 class t3lib_pageSelect {
 110         var $urltypes = Array('','http://','ftp://','mailto:','https://');
 111         var $where_hid_del = ' AND pages.deleted=0';    // This is not the final clauses. There will normally be conditions for the hidden,starttime and endtime fields as well. You MUST initialize the object by the init() function
 112         var $where_groupAccess = '';    // Clause for fe_group access
 113         var $sys_language_uid = 0;
 114
 115                 // Versioning preview related:
 116         var $versioningPreview = FALSE;         // If true, versioning preview of other record versions is allowed. THIS MUST ONLY BE SET IF the page is not cached and truely previewed by a backend user!!!
 117         var $versioningWorkspaceId = 0;         // Workspace ID for preview
 118         var $workspaceCache = array();
 119
 120
 121                 // Internal, dynamic:
 122         var $error_getRootLine = '';            // Error string set by getRootLine()
 123         var $error_getRootLine_failPid = 0;             // Error uid set by getRootLine()
 124
 125                 // Internal caching
 126         protected $cache_getRootLine = array();
 127         protected $cache_getPage = array();
 128         protected $cache_getPage_noCheck = array();
 129         protected $cache_getPageIdFromAlias = array();
 130         protected $cache_getMountPointInfo = array();
 131
 132         /**
 133          * Named constants for "magic numbers" of the field doktype
 134          */
 135         const DOKTYPE_DEFAULT = 1;
 136         const DOKTYPE_ADVANCED = 2; // @deprecated since TYPO3 4.2
 137         const DOKTYPE_LINK = 3;
 138         const DOKTYPE_SHORTCUT = 4;
 139         const DOKTYPE_HIDE_IN_MENU = 5;  // @deprecated since TYPO3 4.2
 140         const DOKTYPE_BE_USER_SECTION = 6;
 141         const DOKTYPE_MOUNTPOINT = 7;
 142         const DOKTYPE_SPACER = 199;
 143         const DOKTYPE_SYSFOLDER = 254;
 144         const DOKTYPE_RECYCLER = 255;
 145
 146
 147         /**
 148          * Named constants for "magic numbers" of the field shortcut_mode
 149          */
 150         const SHORTCUT_MODE_NONE = 0;
 151         const SHORTCUT_MODE_FIRST_SUBPAGE = 1;
 152         const SHORTCUT_MODE_RANDOM_SUBPAGE = 2;
 153         const SHORTCUT_MODE_PARENT_PAGE = 3;
 154
 155         /**
 156          * init() MUST be run directly after creating a new template-object
 157          * This sets the internal variable $this->where_hid_del to the correct where clause for page records taking deleted/hidden/starttime/endtime/t3ver_state into account
 158          *
 159          * @param       boolean         If $show_hidden is true, the hidden-field is ignored!! Normally this should be false. Is used for previewing.
 160          * @return      void
 161          * @see tslib_fe::fetch_the_id(), tx_tstemplateanalyzer::initialize_editor()
 162          */
 163         function init($show_hidden)     {
 164                 $this->where_groupAccess = '';
 165                 $this->where_hid_del = ' AND pages.deleted=0 ';
 166                 if (!$show_hidden)      {
 167                         $this->where_hid_del.= 'AND pages.hidden=0 ';
 168                 }
 169                 $this->where_hid_del .= 'AND pages.starttime<=' . $GLOBALS['SIM_ACCESS_TIME'] . ' AND (pages.endtime=0 OR pages.endtime>' . $GLOBALS['SIM_ACCESS_TIME'] . ') ';
 170
 171                         // Filter out new/deleted place-holder pages in case we are NOT in a versioning preview (that means we are online!)
 172                 if (!$this->versioningPreview)  {
 173                         $this->where_hid_del .= ' AND NOT pages.t3ver_state>0';
 174                 } else {
 175                                 // For version previewing, make sure that enable-fields are not de-selecting hidden pages - we need versionOL() to unset them only if the overlay record instructs us to.
 176                         $this->versioningPreview_where_hid_del = $this->where_hid_del;  // Copy where_hid_del to other variable (used in relation to versionOL())
 177                         $this->where_hid_del = ' AND pages.deleted=0 '; // Clear where_hid_del
 178                 }
 179         }
 180
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 194
 195
 196
 197         /*******************************************
 198          *
 199          * Selecting page records
 200          *
 201          ******************************************/
 202
 203         /**
 204          * Returns the $row for the page with uid = $uid (observing ->where_hid_del)
 205          * Any pages_language_overlay will be applied before the result is returned.
 206          * If no page is found an empty array is returned.
 207          *
 208          * @param       integer         The page id to look up.
 209          * @param       boolean         If set, the check for group access is disabled. VERY rarely used
 210          * @return      array           The page row with overlayed localized fields. Empty it no page.
 211          * @see getPage_noCheck()
 212          */
 213         function getPage($uid, $disableGroupAccessCheck=FALSE)  {
 214                         // Hook to manipulate the page uid for special overlay handling
 215                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getPage'])) {
 216                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getPage'] as $classRef) {
 217                                 $hookObject = t3lib_div::getUserObj($classRef);
 218
 219                                 if (!($hookObject instanceof t3lib_pageSelect_getPageHook)) {
 220                                         throw new UnexpectedValueException('$hookObject must implement interface t3lib_pageSelect_getPageHook', 1251476766);
 221                                 }
 222
 223                                 $hookObject->getPage_preProcess($uid, $disableGroupAccessCheck, $this);
 224                         }
 225                 }
 226
 227                 $accessCheck = $disableGroupAccessCheck ? '' : $this->where_groupAccess;
 228                 $cacheKey = md5($accessCheck . '-' . $this->where_hid_del . '-' . $this->sys_language_uid);
 229
 230                 if (is_array($this->cache_getPage[$uid][$cacheKey])) {
 231                         return $this->cache_getPage[$uid][$cacheKey];
 232                 }
 233                 $result = array();
 234                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'pages', 'uid='.intval($uid).$this->where_hid_del.$accessCheck);
 235                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 236                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 237                 if ($row) {
 238                         $this->versionOL('pages',$row);
 239                         if (is_array($row)) {
 240                                 $result = $this->getPageOverlay($row);
 241                         }
 242                 }
 243                 $this->cache_getPage[$uid][$cacheKey] = $result;
 244                 return $result;
 245         }
 246
 247         /**
 248          * Return the $row for the page with uid = $uid WITHOUT checking for ->where_hid_del (start- and endtime or hidden). Only "deleted" is checked!
 249          *
 250          * @param       integer         The page id to look up
 251          * @return      array           The page row with overlayed localized fields. Empty array if no page.
 252          * @see getPage()
 253          */
 254         function getPage_noCheck($uid)  {
 255                 if ($this->cache_getPage_noCheck[$uid]) {
 256                         return $this->cache_getPage_noCheck[$uid];
 257                 }
 258
 259                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'pages', 'uid='.intval($uid).$this->deleteClause('pages'));
 260                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 261                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 262
 263                 $result = array();
 264                 if ($row) {
 265                         $this->versionOL('pages',$row);
 266                         if (is_array($row)) {
 267                                 $result = $this->getPageOverlay($row);
 268                         }
 269                 }
 270                 $this->cache_getPage_noCheck[$uid] = $result;
 271
 272                 return $result;
 273         }
 274
 275         /**
 276          * Returns the $row of the first web-page in the tree (for the default menu...)
 277          *
 278          * @param       integer         The page id for which to fetch first subpages (PID)
 279          * @return      mixed           If found: The page record (with overlayed localized fields, if any). If NOT found: blank value (not array!)
 280          * @see tslib_fe::fetch_the_id()
 281          */
 282         function getFirstWebPage($uid)  {
 283                 $output = '';
 284                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'pages', 'pid='.intval($uid).$this->where_hid_del.$this->where_groupAccess, '', 'sorting', '1');
 285                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 286                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 287                 if ($row)       {
 288                         $this->versionOL('pages',$row);
 289                         if (is_array($row))     {
 290                                 $output = $this->getPageOverlay($row);
 291                         }
 292                 }
 293                 return $output;
 294         }
 295
 296         /**
 297          * Returns a pagerow for the page with alias $alias
 298          *
 299          * @param       string          The alias to look up the page uid for.
 300          * @return      integer         Returns page uid (integer) if found, otherwise 0 (zero)
 301          * @see tslib_fe::checkAndSetAlias(), tslib_cObj::typoLink()
 302          */
 303         function getPageIdFromAlias($alias)     {
 304                 $alias = strtolower($alias);
 305                 if ($this->cache_getPageIdFromAlias[$alias]) {
 306                         return $this->cache_getPageIdFromAlias[$alias];
 307                 }
 308                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'alias='.$GLOBALS['TYPO3_DB']->fullQuoteStr($alias, 'pages').' AND pid>=0 AND pages.deleted=0');  // "AND pid>=0" because of versioning (means that aliases sent MUST be online!)
 309                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 310                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 311                 if ($row)       {
 312                         $this->cache_getPageIdFromAlias[$alias] = $row['uid'];
 313                         return $row['uid'];
 314                 }
 315                 $this->cache_getPageIdFromAlias[$alias] = 0;
 316                 return 0;
 317         }
 318
 319         /**
 320          * Returns the relevant page overlay record fields
 321          *
 322          * @param       mixed           If $pageInput is an integer, it's the pid of the pageOverlay record and thus the page overlay record is returned. If $pageInput is an array, it's a page-record and based on this page record the language record is found and OVERLAYED before the page record is returned.
 323          * @param       integer         Language UID if you want to set an alternative value to $this->sys_language_uid which is default. Should be >=0
 324          * @return      array           Page row which is overlayed with language_overlay record (or the overlay record alone)
 325          */
 326         function getPageOverlay($pageInput,$lUid=-1)    {
 327
 328                         // Initialize:
 329                 if ($lUid<0)    $lUid = $this->sys_language_uid;
 330                 $row = NULL;
 331
 332                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getPageOverlay'])) {
 333                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getPageOverlay'] as $classRef) {
 334                                 $hookObject = t3lib_div::getUserObj($classRef);
 335
 336                                 if (!($hookObject instanceof t3lib_pageSelect_getPageOverlayHook)) {
 337                                         throw new UnexpectedValueException('$hookObject must implement interface t3lib_pageSelect_getPageOverlayHook', 1269878881);
 338                                 }
 339
 340                                 $hookObject->getPageOverlay_preProcess($pageInput, $lUid, $this);
 341                         }
 342                 }
 343
 344                         // If language UID is different from zero, do overlay:
 345                 if ($lUid)      {
 346                         $fieldArr = explode(',', $GLOBALS['TYPO3_CONF_VARS']['FE']['pageOverlayFields']);
 347                         if (is_array($pageInput))       {
 348                                 $page_id = $pageInput['uid'];   // Was the whole record
 349                                 $fieldArr = array_intersect($fieldArr,array_keys($pageInput));          // Make sure that only fields which exist in the incoming record are overlaid!
 350                         } else {
 351                                 $page_id = $pageInput;  // Was the id
 352                         }
 353
 354                         if (count($fieldArr))   {
 355                                 /*
 356                                         NOTE to enabledFields('pages_language_overlay'):
 357                                         Currently the showHiddenRecords of TSFE set will allow pages_language_overlay records to be selected as they are child-records of a page.
 358                                         However you may argue that the showHiddenField flag should determine this. But that's not how it's done right now.
 359                                 */
 360
 361                                         // Selecting overlay record:
 362                                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
 363                                                         implode(',',$fieldArr),
 364                                                         'pages_language_overlay',
 365                                                         'pid='.intval($page_id).'
 366                                                                 AND sys_language_uid='.intval($lUid).
 367                                                                 $this->enableFields('pages_language_overlay'),
 368                                                         '',
 369                                                         '',
 370                                                         '1'
 371                                                 );
 372                                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 373                                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 374                                 $this->versionOL('pages_language_overlay',$row);
 375
 376                                 if (is_array($row))     {
 377                                         $row['_PAGES_OVERLAY'] = TRUE;
 378
 379                                                 // Unset vital fields that are NOT allowed to be overlaid:
 380                                         unset($row['uid']);
 381                                         unset($row['pid']);
 382                                 }
 383                         }
 384                 }
 385
 386                         // Create output:
 387                 if (is_array($pageInput))       {
 388                         return is_array($row) ? array_merge($pageInput,$row) : $pageInput;      // If the input was an array, simply overlay the newfound array and return...
 389                 } else {
 390                         return is_array($row) ? $row : array(); // always an array in return
 391                 }
 392         }
 393
 394         /**
 395          * Creates language-overlay for records in general (where translation is found in records from the same table)
 396          *
 397          * @param       string          Table name
 398          * @param       array           Record to overlay. Must containt uid, pid and $table]['ctrl']['languageField']
 399          * @param       integer         Pointer to the sys_language uid for content on the site.
 400          * @param       string          Overlay mode. If "hideNonTranslated" then records without translation will not be returned un-translated but unset (and return value is false)
 401          * @return      mixed           Returns the input record, possibly overlaid with a translation. But if $OLmode is "hideNonTranslated" then it will return false if no translation is found.
 402          */
 403         function getRecordOverlay($table,$row,$sys_language_content,$OLmode='') {
 404                 global $TCA;
 405
 406                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getRecordOverlay'])) {
 407                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getRecordOverlay'] as $classRef) {
 408                                 $hookObject = t3lib_div::getUserObj($classRef);
 409
 410                                 if (!($hookObject instanceof t3lib_pageSelect_getRecordOverlayHook)) {
 411                                         throw new UnexpectedValueException('$hookObject must implement interface t3lib_pageSelect_getRecordOverlayHook', 1269881658);
 412                                 }
 413                                 $hookObject->getRecordOverlay_preProcess($table,$row,$sys_language_content,$OLmode, $this);
 414                         }
 415                 }
 416
 417                 if ($row['uid']>0 && $row['pid']>0)     {
 418                         if ($TCA[$table] && $TCA[$table]['ctrl']['languageField'] && $TCA[$table]['ctrl']['transOrigPointerField'])     {
 419                                 if (!$TCA[$table]['ctrl']['transOrigPointerTable'])     {       // Will not be able to work with other tables (Just didn't implement it yet; Requires a scan over all tables [ctrl] part for first FIND the table that carries localization information for this table (which could even be more than a single table) and then use that. Could be implemented, but obviously takes a little more....)
 420
 421                                                 // Will try to overlay a record only if the sys_language_content value is larger than zero.
 422                                         if ($sys_language_content>0)    {
 423
 424                                                         // Must be default language or [All], otherwise no overlaying:
 425                                                 if ($row[$TCA[$table]['ctrl']['languageField']]<=0)     {
 426
 427                                                                 // Select overlay record:
 428                                                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
 429                                                                 '*',
 430                                                                 $table,
 431                                                                 'pid='.intval($row['pid']).
 432                                                                         ' AND '.$TCA[$table]['ctrl']['languageField'].'='.intval($sys_language_content).
 433                                                                         ' AND '.$TCA[$table]['ctrl']['transOrigPointerField'].'='.intval($row['uid']).
 434                                                                         $this->enableFields($table),
 435                                                                 '',
 436                                                                 '',
 437                                                                 '1'
 438                                                         );
 439                                                         $olrow = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 440                                                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 441                                                         $this->versionOL($table,$olrow);
 442
 443                                                                 // Merge record content by traversing all fields:
 444                                                         if (is_array($olrow))   {
 445                                                                 foreach($row as $fN => $fV)     {
 446                                                                         if ($fN!='uid' && $fN!='pid' && isset($olrow[$fN]))     {
 447
 448                                                                                 if ($GLOBALS['TSFE']->TCAcachedExtras[$table]['l10n_mode'][$fN]!='exclude'
 449                                                                                                 && ($GLOBALS['TSFE']->TCAcachedExtras[$table]['l10n_mode'][$fN]!='mergeIfNotBlank' || strcmp(trim($olrow[$fN]),'')))    {
 450                                                                                         $row[$fN] = $olrow[$fN];
 451                                                                                 }
 452                                                                         } elseif ($fN=='uid')   {
 453                                                                                 $row['_LOCALIZED_UID'] = $olrow['uid'];
 454                                                                         }
 455                                                                 }
 456                                                         } elseif ($OLmode==='hideNonTranslated' && $row[$TCA[$table]['ctrl']['languageField']]==0)      {       // Unset, if non-translated records should be hidden. ONLY done if the source record really is default language and not [All] in which case it is allowed.
 457                                                                 unset($row);
 458                                                         }
 459
 460                                                         // Otherwise, check if sys_language_content is different from the value of the record - that means a japanese site might try to display french content.
 461                                                 } elseif ($sys_language_content!=$row[$TCA[$table]['ctrl']['languageField']])   {
 462                                                         unset($row);
 463                                                 }
 464                                         } else {
 465                                                         // When default language is displayed, we never want to return a record carrying another language!
 466                                                 if ($row[$TCA[$table]['ctrl']['languageField']]>0)      {
 467                                                         unset($row);
 468                                                 }
 469                                         }
 470                                 }
 471                         }
 472                 }
 473                 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getRecordOverlay'])) {
 474                         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_page.php']['getRecordOverlay'] as $classRef) {
 475                                 $hookObject = t3lib_div::getUserObj($classRef);
 476
 477                                 if (!($hookObject instanceof t3lib_pageSelect_getRecordOverlayHook)) {
 478                                         throw new UnexpectedValueException('$hookObject must implement interface t3lib_pageSelect_getRecordOverlayHook', 1269881659);
 479                                 }
 480                                 $hookObject->getRecordOverlay_postProcess($table,$row,$sys_language_content,$OLmode, $this);
 481                         }
 482                 }
 483                 return $row;
 484         }
 485
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 501
 502
 503         /*******************************************
 504          *
 505          * Page related: Menu, Domain record, Root line
 506          *
 507          ******************************************/
 508
 509         /**
 510          * Returns an array with pagerows for subpages with pid=$uid (which is pid here!). This is used for menus.
 511          * If there are mount points in overlay mode the _MP_PARAM field is set to the corret MPvar.
 512          * If the $uid being input does in itself require MPvars to define a correct rootline these must be handled externally to this function.
 513          *
 514          * @param       integer         The page id for which to fetch subpages (PID)
 515          * @param       string          List of fields to select. Default is "*" = all
 516          * @param       string          The field to sort by. Default is "sorting"
 517          * @param       string          Optional additional where clauses. Like "AND title like '%blabla%'" for instance.
 518          * @param       boolean         check if shortcuts exist, checks by default
 519          * @return      array           Array with key/value pairs; keys are page-uid numbers. values are the corresponding page records (with overlayed localized fields, if any)
 520          * @see tslib_fe::getPageShortcut(), tslib_menu::makeMenu(), tx_wizardcrpages_webfunc_2, tx_wizardsortpages_webfunc_2
 521          */
 522         function getMenu($uid,$fields='*',$sortField='sorting',$addWhere='',$checkShortcuts=1)  {
 523
 524                 $output = Array();
 525                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($fields, 'pages', 'pid='.intval($uid).$this->where_hid_del.$this->where_groupAccess.' '.$addWhere, '', $sortField);
 526                 while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res))      {
 527                         $this->versionOL('pages',$row,TRUE);
 528                         if (is_array($row))     {
 529                                         // Keep mount point:
 530                                 $origUid = $row['uid'];
 531                                 $mount_info = $this->getMountPointInfo($origUid, $row); // $row MUST have "uid", "pid", "doktype", "mount_pid", "mount_pid_ol" fields in it
 532                                 if (is_array($mount_info) && $mount_info['overlay'])    {       // There is a valid mount point.
 533                                         $mp_row = $this->getPage($mount_info['mount_pid']);             // Using "getPage" is OK since we need the check for enableFields AND for type 2 of mount pids we DO require a doktype < 200!
 534                                         if (count($mp_row))     {
 535                                                 $row = $mp_row;
 536                                                 $row['_MP_PARAM'] = $mount_info['MPvar'];
 537                                         } else unset($row);     // If the mount point could not be fetched with respect to enableFields, unset the row so it does not become a part of the menu!
 538                                 }
 539
 540                                         // if shortcut, look up if the target exists and is currently visible
 541                                 if ($row['doktype'] == t3lib_pageSelect::DOKTYPE_SHORTCUT && ($row['shortcut'] || $row['shortcut_mode']) && $checkShortcuts) {
 542                                         if ($row['shortcut_mode'] == self::SHORTCUT_MODE_NONE) {
 543                                                         // no shortcut_mode set, so target is directly set in $row['shortcut']
 544                                                 $searchField = 'uid';
 545                                                 $searchUid = intval($row['shortcut']);
 546                                         } elseif ($row['shortcut_mode'] == self::SHORTCUT_MODE_FIRST_SUBPAGE || $row['shortcut_mode'] == self::SHORTCUT_MODE_RANDOM_SUBPAGE) {
 547                                                         // check subpages - first subpage or random subpage
 548                                                 $searchField = 'pid';
 549                                                         // If a shortcut mode is set and no valid page is given to select subpags from use the actual page.
 550                                                 $searchUid = intval($row['shortcut'])?intval($row['shortcut']):$row['uid'];
 551                                         } elseif ($row['shortcut_mode'] == self::SHORTCUT_MODE_PARENT_PAGE) {
 552                                                         // shortcut to parent page
 553                                                 $searchField = 'uid';
 554                                                 $searchUid = $row['pid'];
 555                                         }
 556                                         $count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows(
 557                                                 'uid',
 558                                                 'pages',
 559                                                 $searchField . '=' . $searchUid .
 560                                                         $this->where_hid_del .
 561                                                         $this->where_groupAccess .
 562                                                         ' ' . $addWhere
 563                                         );
 564                                         if (!$count) {
 565                                                 unset($row);
 566                                         }
 567                                 } elseif ($row['doktype'] == t3lib_pageSelect::DOKTYPE_SHORTCUT && $checkShortcuts) {
 568                                                 // Neither shortcut target nor mode is set. Remove the page from the menu.
 569                                         unset($row);
 570                                 }
 571
 572                                         // Add to output array after overlaying language:
 573                                 if (is_array($row))     {
 574                                         $output[$origUid] = $this->getPageOverlay($row);
 575                                 }
 576                         }
 577                 }
 578                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 579                 return $output;
 580         }
 581
 582         /**
 583          * Will find the page carrying the domain record matching the input domain.
 584          * Might exit after sending a redirect-header IF a found domain record instructs to do so.
 585          *
 586          * @param       string          Domain name to search for. Eg. "www.typo3.com". Typical the HTTP_HOST value.
 587          * @param       string          Path for the current script in domain. Eg. "/somedir/subdir". Typ. supplied by t3lib_div::getIndpEnv('SCRIPT_NAME')
 588          * @param       string          Request URI: Used to get parameters from if they should be appended. Typ. supplied by t3lib_div::getIndpEnv('REQUEST_URI')
 589          * @return      mixed           If found, returns integer with page UID where found. Otherwise blank. Might exit if location-header is sent, see description.
 590          * @see tslib_fe::findDomainRecord()
 591          */
 592         function getDomainStartPage($domain, $path='',$request_uri='')  {
 593                 $domain = explode(':',$domain);
 594                 $domain = strtolower(preg_replace('/\.$/','',$domain[0]));
 595                         // Removing extra trailing slashes
 596                 $path = trim(preg_replace('/\/[^\/]*$/','',$path));
 597                         // Appending to domain string
 598                 $domain.= $path;
 599                 $domain = preg_replace('/\/*$/','',$domain);
 600
 601                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
 602                                         'pages.uid,sys_domain.redirectTo,sys_domain.redirectHttpStatusCode,sys_domain.prepend_params',
 603                                         'pages,sys_domain',
 604                                         'pages.uid=sys_domain.pid
 605                                                 AND sys_domain.hidden=0
 606                                                 AND (sys_domain.domainName='.$GLOBALS['TYPO3_DB']->fullQuoteStr($domain, 'sys_domain').' OR sys_domain.domainName='.$GLOBALS['TYPO3_DB']->fullQuoteStr($domain.'/', 'sys_domain').') '.
 607                                                 $this->where_hid_del.$this->where_groupAccess,
 608                                         '',
 609                                         '',
 610                                         1
 611                                 );
 612                 $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 613                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 614                 if ($row)       {
 615                         if ($row['redirectTo']) {
 616                                 $redirectUrl = $row['redirectTo'];
 617                                 if ($row['prepend_params'])     {
 618                                         $redirectUrl = rtrim($redirectUrl, '/');
 619                                         $prependStr = ltrim(substr($request_uri,strlen($path)), '/');
 620                                         $redirectUrl .= '/' . $prependStr;
 621                                 }
 622
 623                                 $statusCode = intval($row['redirectHttpStatusCode']);
 624                                 if ($statusCode && defined('t3lib_utility_Http::HTTP_STATUS_' . $statusCode)) {
 625                                         t3lib_utility_Http::redirect($redirectUrl, constant('t3lib_utility_Http::HTTP_STATUS_' . $statusCode));
 626                                 } else {
 627                                         t3lib_utility_Http::redirect($redirectUrl, 't3lib_utility_Http::HTTP_STATUS_301');
 628                                 }
 629                                 exit;
 630                         } else {
 631                                 return $row['uid'];
 632                         }
 633                 }
 634         }
 635
 636         /**
 637          * Returns array with fields of the pages from here ($uid) and back to the root
 638          * NOTICE: This function only takes deleted pages into account! So hidden, starttime and endtime restricted pages are included no matter what.
 639          * Further: If any "recycler" page is found (doktype=255) then it will also block for the rootline)
 640          * If you want more fields in the rootline records than default such can be added by listing them in $GLOBALS['TYPO3_CONF_VARS']['FE']['addRootLineFields']
 641          *
 642          * @param       integer         The page uid for which to seek back to the page tree root.
 643          * @param       string          Commalist of MountPoint parameters, eg. "1-2,3-4" etc. Normally this value comes from the GET var, MP
 644          * @param       boolean         If set, some errors related to Mount Points in root line are ignored.
 645          * @return      array           Array with page records from the root line as values. The array is ordered with the outer records first and root record in the bottom. The keys are numeric but in reverse order. So if you traverse/sort the array by the numeric keys order you will get the order from root and out. If an error is found (like eternal looping or invalid mountpoint) it will return an empty array.
 646          * @see tslib_fe::getPageAndRootline()
 647          */
 648         function getRootLine($uid, $MP = '', $ignoreMPerrors = false) {
 649                 $cacheUid = $uid = intval($uid);
 650                 $cacheIgnoreMPerrors = ($ignoreMPerrors ? 1 : 0);
 651
 652                 if (is_array($this->cache_getRootLine[$cacheUid][$this->sys_language_uid][$MP][$cacheIgnoreMPerrors])) {
 653                         return $this->cache_getRootLine[$cacheUid][$this->sys_language_uid][$MP][$cacheIgnoreMPerrors];
 654                 }
 655
 656                         // Initialize:
 657                 $selFields = t3lib_div::uniqueList('pid,uid,t3ver_oid,t3ver_wsid,t3ver_state,t3ver_swapmode,title,alias,nav_title,media,layout,hidden,starttime,endtime,fe_group,extendToSubpages,doktype,TSconfig,storage_pid,is_siteroot,mount_pid,mount_pid_ol,fe_login_mode,'.$GLOBALS['TYPO3_CONF_VARS']['FE']['addRootLineFields']);
 658                 $this->error_getRootLine = '';
 659                 $this->error_getRootLine_failPid = 0;
 660
 661                         // Splitting the $MP parameters if present
 662                 $MPA = array();
 663                 if ($MP)        {
 664                         $MPA = explode(',',$MP);
 665                         foreach ($MPA as $MPAk => $v) {
 666                                 $MPA[$MPAk] = explode('-', $MPA[$MPAk]);
 667                         }
 668                 }
 669
 670                 $loopCheck = 0;
 671                 $theRowArray = Array();
 672
 673                 while ($uid != 0 && $loopCheck < 99) {  // Max 99 levels in the page tree.
 674                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($selFields, 'pages', 'uid='.intval($uid).' AND pages.deleted=0 AND pages.doktype!=255');
 675                         $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 676                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 677                         if ($row)       {
 678                                 $this->versionOL('pages',$row, FALSE, TRUE);
 679                                 $this->fixVersioningPid('pages',$row);
 680
 681                                 if (is_array($row))     {
 682                                                 // Mount Point page types are allowed ONLY a) if they are the outermost record in rootline and b) if the overlay flag is not set:
 683                                         if ($GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_pids'] && $row['doktype'] == t3lib_pageSelect::DOKTYPE_MOUNTPOINT && !$ignoreMPerrors) {
 684                                                 $mount_info = $this->getMountPointInfo($row['uid'], $row);
 685                                                 if ($loopCheck>0 || $mount_info['overlay'])     {
 686                                                         $this->error_getRootLine = 'Illegal Mount Point found in rootline';
 687                                                         return array();
 688                                                 }
 689                                         }
 690
 691                                         $uid = $row['pid'];     // Next uid
 692
 693                                         if (count($MPA) && $GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_pids'])      {
 694                                                 $curMP = end($MPA);
 695                                                 if (!strcmp($row['uid'],$curMP[0]))     {
 696
 697                                                         array_pop($MPA);
 698                                                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($selFields, 'pages', 'uid='.intval($curMP[1]).' AND pages.deleted=0 AND pages.doktype!=255');
 699                                                         $mp_row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 700                                                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 701
 702                                                         $this->versionOL('pages',$mp_row, FALSE, TRUE);
 703                                                         $this->fixVersioningPid('pages',$mp_row);
 704
 705                                                         if (is_array($mp_row))  {
 706                                                                 $mount_info = $this->getMountPointInfo($mp_row['uid'], $mp_row);
 707                                                                 if (is_array($mount_info) && $mount_info['mount_pid']==$curMP[0])       {
 708                                                                         $uid = $mp_row['pid'];  // Setting next uid
 709
 710                                                                         if ($mount_info['overlay'])     {       // Symlink style: Keep mount point (current row).
 711                                                                                 $row['_MOUNT_OL'] = TRUE;       // Set overlay mode:
 712                                                                                 $row['_MOUNT_PAGE'] = array(
 713                                                                                         'uid' => $mp_row['uid'],
 714                                                                                         'pid' => $mp_row['pid'],
 715                                                                                         'title' =>  $mp_row['title'],
 716                                                                                 );
 717                                                                         } else {        // Normal operation: Insert the mount page row in rootline instead mount point.
 718                                                                                 if ($loopCheck>0)       {
 719                                                                                         $row = $mp_row;
 720                                                                                 } else {
 721                                                                                         $this->error_getRootLine = 'Current Page Id is a mounted page of the overlay type and cannot be accessed directly!';
 722                                                                                         return array(); // Matching the page id (first run, $loopCheck = 0) with the MPvar is ONLY allowed if the mount point is the "overlay" type (otherwise it could be forged!)
 723                                                                                 }
 724                                                                         }
 725
 726                                                                         $row['_MOUNTED_FROM'] = $curMP[0];
 727                                                                         $row['_MP_PARAM'] = $mount_info['MPvar'];
 728                                                                 } else {
 729                                                                         $this->error_getRootLine = 'MP var was corrupted';
 730                                                                         return array(); // The MP variables did NOT connect proper mount points:
 731                                                                 }
 732                                                         } else {
 733                                                                 $this->error_getRootLine = 'No moint point record found according to PID in MP var';
 734                                                                 return array(); // The second PID in MP var was NOT a valid page.
 735                                                         }
 736                                                 }
 737                                         }
 738                                 }
 739                                         // Add row to rootline with language overlaid:
 740                                 $theRowArray[] = $this->getPageOverlay($row);
 741                         } else {
 742                                 $this->error_getRootLine = 'Broken rootline';
 743                                 $this->error_getRootLine_failPid = $uid;
 744                                 return array(); // broken rootline.
 745                         }
 746
 747                         $loopCheck++;
 748                 }
 749
 750                         // If the MPA array is NOT empty, we have to return an error; All MP elements were not resolved!
 751                 if (count($MPA))        {
 752                         $this->error_getRootLine = 'MP value remain!';
 753                         return array();
 754                 }
 755
 756                         // Create output array (with reversed order of numeric keys):
 757                 $output = Array();
 758                 $c = count($theRowArray);
 759                 foreach($theRowArray as $key => $val)   {
 760                         $c--;
 761                         $output[$c] = $val;
 762                 }
 763
 764                         // Note: rootline errors are not cached
 765                 $this->cache_getRootLine[$cacheUid][$this->sys_language_uid][$MP][$cacheIgnoreMPerrors] = $output;
 766                 return $output;
 767         }
 768
 769         /**
 770          * Creates a "path" string for the input root line array titles.
 771          * Used for writing statistics.
 772          *
 773          * @param       array           A rootline array!
 774          * @param       integer         The max length of each title from the rootline.
 775          * @return      string          The path in the form "/page title/This is another pageti.../Another page"
 776          * @see tslib_fe::getConfigArray()
 777          */
 778         function getPathFromRootline($rl,$len=20)       {
 779                 if (is_array($rl))      {
 780                         $c=count($rl);
 781                         $path = '';
 782                         for ($a=0;$a<$c;$a++)   {
 783                                 if ($rl[$a]['uid'])     {
 784                                         $path.='/'.t3lib_div::fixed_lgd_cs(strip_tags($rl[$a]['title']),$len);
 785                                 }
 786                         }
 787                         return $path;
 788                 }
 789         }
 790
 791         /**
 792          * Returns the URL type for the input page row IF the doktype is 3 and not disabled.
 793          *
 794          * @param       array           The page row to return URL type for
 795          * @param       boolean         A flag to simply disable any output from here.
 796          * @return      string          The URL type from $this->urltypes array. False if not found or disabled.
 797          * @see tslib_fe::setExternalJumpUrl()
 798          */
 799         function getExtURL($pagerow,$disable=0) {
 800                 if ($pagerow['doktype'] == t3lib_pageSelect::DOKTYPE_LINK && !$disable) {
 801                         $redirectTo = $this->urltypes[$pagerow['urltype']].$pagerow['url'];
 802
 803                                 // If relative path, prefix Site URL:
 804                         $uI = parse_url($redirectTo);
 805                         if (!$uI['scheme'] && substr($redirectTo,0,1)!='/')     { // relative path assumed now...
 806                                 $redirectTo = t3lib_div::getIndpEnv('TYPO3_SITE_URL').$redirectTo;
 807                         }
 808                         return $redirectTo;
 809                 }
 810         }
 811
 812         /**
 813          * Returns MountPoint id for page
 814          * Does a recursive search if the mounted page should be a mount page itself. It has a run-away break so it can't go into infinite loops.
 815          *
 816          * @param       integer         Page id for which to look for a mount pid. Will be returned only if mount pages are enabled, the correct doktype (7) is set for page and there IS a mount_pid (which has a valid record that is not deleted...)
 817          * @param       array           Optional page record for the page id. If not supplied it will be looked up by the system. Must contain at least uid,pid,doktype,mount_pid,mount_pid_ol
 818          * @param       array           Array accumulating formerly tested page ids for mount points. Used for recursivity brake.
 819          * @param       integer         The first page id.
 820          * @return      mixed           Returns FALSE if no mount point was found, "-1" if there should have been one, but no connection to it, otherwise an array with information about mount pid and modes.
 821          * @see tslib_menu
 822          */
 823         function getMountPointInfo($pageId, $pageRec=FALSE, $prevMountPids=array(), $firstPageUid=0)    {
 824                 $result = FALSE;
 825
 826                 if ($GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_pids'])     {
 827
 828                         if (isset($this->cache_getMountPointInfo[$pageId]))     {
 829                                 return $this->cache_getMountPointInfo[$pageId];
 830                         }
 831
 832                                 // Get pageRec if not supplied:
 833                         if (!is_array($pageRec))        {
 834                                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid,pid,doktype,mount_pid,mount_pid_ol,t3ver_state', 'pages', 'uid='.intval($pageId).' AND pages.deleted=0 AND pages.doktype!=255');
 835                                 $pageRec = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 836                                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 837                                 $this->versionOL('pages',$pageRec);             // Only look for version overlay if page record is not supplied; This assumes that the input record is overlaid with preview version, if any!
 838                         }
 839
 840                                 // Set first Page uid:
 841                         if (!$firstPageUid)     {
 842                                 $firstPageUid = $pageRec['uid'];
 843                         }
 844
 845                                 // Look for mount pid value plus other required circumstances:
 846                         $mount_pid = intval($pageRec['mount_pid']);
 847                         if (is_array($pageRec) && $pageRec['doktype']== t3lib_pageSelect::DOKTYPE_MOUNTPOINT && $mount_pid > 0 && !in_array($mount_pid, $prevMountPids)) {
 848
 849                                         // Get the mount point record (to verify its general existence):
 850                                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid,pid,doktype,mount_pid,mount_pid_ol,t3ver_state', 'pages', 'uid='.$mount_pid.' AND pages.deleted=0 AND pages.doktype!=255');
 851                                 $mountRec = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 852                                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 853                                 $this->versionOL('pages',$mountRec);
 854
 855                                 if (is_array($mountRec))        {
 856                                                 // Look for recursive mount point:
 857                                         $prevMountPids[] = $mount_pid;
 858                                         $recursiveMountPid = $this->getMountPointInfo($mount_pid, $mountRec, $prevMountPids, $firstPageUid);
 859
 860                                                 // Return mount point information:
 861                                         $result = $recursiveMountPid ?
 862                                                                 $recursiveMountPid :
 863                                                                 array(
 864                                                                         'mount_pid' => $mount_pid,
 865                                                                         'overlay' => $pageRec['mount_pid_ol'],
 866                                                                         'MPvar' => $mount_pid.'-'.$firstPageUid,
 867                                                                         'mount_point_rec' => $pageRec,
 868                                                                         'mount_pid_rec' => $mountRec,
 869                                                                 );
 870                                 } else {
 871                                         $result = -1;   // Means, there SHOULD have been a mount point, but there was none!
 872                                 }
 873                         }
 874                 }
 875
 876                 $this->cache_getMountPointInfo[$pageId] = $result;
 877                 return $result;
 878         }
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896         /*********************************
 897          *
 898          * Selecting records in general
 899          *
 900          **********************************/
 901
 902         /**
 903          * Checks if a record exists and is accessible.
 904          * The row is returned if everything's OK.
 905          *
 906          * @param       string          The table name to search
 907          * @param       integer         The uid to look up in $table
 908          * @param       boolean         If checkPage is set, it's also required that the page on which the record resides is accessible
 909          * @return      mixed           Returns array (the record) if OK, otherwise blank/0 (zero)
 910          */
 911         function checkRecord($table,$uid,$checkPage=0)  {
 912                 global $TCA;
 913                 $uid = intval($uid);
 914                 if (is_array($TCA[$table]) && $uid > 0) {
 915                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $table, 'uid = ' . $uid . $this->enableFields($table));
 916                         $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 917                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 918                         if ($row)       {
 919                                 $this->versionOL($table,$row);
 920                                 if (is_array($row))     {
 921                                         if ($checkPage) {
 922                                                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', 'pages', 'uid='.intval($row['pid']).$this->enableFields('pages'));
 923                                                 $numRows = $GLOBALS['TYPO3_DB']->sql_num_rows($res);
 924                                                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
 925                                                 if ($numRows>0) {
 926                                                         return $row;
 927                                                 } else {
 928                                                         return 0;
 929                                                 }
 930                                         } else {
 931                                                 return $row;
 932                                         }
 933                                 }
 934                         }
 935                 }
 936         }
 937
 938         /**
 939          * Returns record no matter what - except if record is deleted
 940          *
 941          * @param       string          The table name to search
 942          * @param       integer         The uid to look up in $table
 943          * @param       string          The fields to select, default is "*"
 944          * @param       boolean         If set, no version overlay is applied
 945          * @return      mixed           Returns array (the record) if found, otherwise blank/0 (zero)
 946          * @see getPage_noCheck()
 947          */
 948         function getRawRecord($table,$uid,$fields='*',$noWSOL=FALSE)    {
 949                 global $TCA;
 950                 $uid = intval($uid);
 951                         // Excluding pages here so we can ask the function BEFORE TCA gets initialized. Support for this is followed up in deleteClause()...
 952                 if ((is_array($TCA[$table]) || $table == 'pages') && $uid > 0) {
 953                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($fields, $table, 'uid = ' . $uid . $this->deleteClause($table));
 954                         $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
 955                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 956                         if ($row) {
 957                                 if (!$noWSOL)   {
 958                                         $this->versionOL($table,$row);
 959                                 }
 960                                 if (is_array($row))     {
 961                                         return $row;
 962                                 }
 963                         }
 964                 }
 965         }
 966
 967         /**
 968          * Selects records based on matching a field (ei. other than UID) with a value
 969          *
 970          * @param       string          The table name to search, eg. "pages" or "tt_content"
 971          * @param       string          The fieldname to match, eg. "uid" or "alias"
 972          * @param       string          The value that fieldname must match, eg. "123" or "frontpage"
 973          * @param       string          Optional additional WHERE clauses put in the end of the query. DO NOT PUT IN GROUP BY, ORDER BY or LIMIT!
 974          * @param       string          Optional GROUP BY field(s), if none, supply blank string.
 975          * @param       string          Optional ORDER BY field(s), if none, supply blank string.
 976          * @param       string          Optional LIMIT value ([begin,]max), if none, supply blank string.
 977          * @return      mixed           Returns array (the record) if found, otherwise nothing (void)
 978          */
 979         function getRecordsByField($theTable,$theField,$theValue,$whereClause='',$groupBy='',$orderBy='',$limit='')     {
 980                 global $TCA;
 981                 if (is_array($TCA[$theTable])) {
 982                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
 983                                                 '*',
 984                                                 $theTable,
 985                                                 $theField.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($theValue, $theTable).
 986                                                         $this->deleteClause($theTable).' '.
 987                                                                 $whereClause,   // whereClauseMightContainGroupOrderBy
 988                                                 $groupBy,
 989                                                 $orderBy,
 990                                                 $limit
 991                                         );
 992                         $rows = array();
 993                         while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res))       {
 994                                 #$this->versionOL($theTable,$row);      // not used since records here are fetched based on other fields than uid!
 995                                 if (is_array($row)) $rows[] = $row;
 996                         }
 997                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
 998                         if (count($rows))       {
 999                                 return $rows;
1000                         }
1001                 }
1002         }
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017         /*********************************
1018          *
1019          * Caching and standard clauses
1020          *
1021          **********************************/
1022
1023         /**
1024          * Returns string value stored for the hash string in the cache "cache_hash"
1025          * Can be used to retrieved a cached value
1026          * Can be used from your frontend plugins if you like. It is also used to
1027          * store the parsed TypoScript template structures. You can call it directly
1028          * like t3lib_pageSelect::getHash()
1029          *
1030          * IDENTICAL to the function by same name found in t3lib_page
1031          *
1032          * @param       string          The hash-string which was used to store the data value
1033          * @return      string          The "content" field of the "cache_hash" cache entry.
1034          * @see tslib_TStemplate::start(), storeHash()
1035          */
1036         public static function getHash($hash, $expTime = 0)     {
1037                 $hashContent = null;
1038
1039                 if (TYPO3_UseCachingFramework) {
1040                         if (is_object($GLOBALS['typo3CacheManager'])) {
1041                                 $contentHashCache = $GLOBALS['typo3CacheManager']->getCache('cache_hash');
1042                                 $cacheEntry = $contentHashCache->get($hash);
1043
1044                                 if ($cacheEntry) {
1045                                         $hashContent = $cacheEntry;
1046                                 }
1047                         }
1048                 } else {
1049                         $expTime = intval($expTime);
1050                         if ($expTime) {
1051                                 $whereAdd = ' AND tstamp > '.($GLOBALS['ACCESS_TIME']-$expTime);
1052                         }
1053                         $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('content', 'cache_hash', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($hash, 'cache_hash').$whereAdd);
1054                         $row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1055                         $GLOBALS['TYPO3_DB']->sql_free_result($res);
1056                         if ($row)       {
1057                                 $hashContent = $row['content'];
1058                         }
1059                 }
1060                 return $hashContent;
1061         }
1062
1063         /**
1064          * Stores a string value in the cache_hash cache identified by $hash.
1065          * Can be used from your frontend plugins if you like. You can call it
1066          * directly like t3lib_pageSelect::storeHash()
1067          *
1068          * @param       string          32 bit hash string (eg. a md5 hash of a serialized array identifying the data being stored)
1069          * @param       string          The data string. If you want to store an array, then just serialize it first.
1070          * @param       string          $ident is just a textual identification in order to inform about the content!
1071          * @param       integer         The lifetime for the cache entry in seconds
1072          * @return      void
1073          * @see tslib_TStemplate::start(), getHash()
1074          */
1075         public static function storeHash($hash, $data, $ident, $lifetime = 0) {
1076                 if (TYPO3_UseCachingFramework) {
1077                         if (is_object($GLOBALS['typo3CacheManager'])) {
1078                                 $GLOBALS['typo3CacheManager']->getCache('cache_hash')->set(
1079                                         $hash,
1080                                         $data,
1081                                         array('ident_' . $ident),
1082                                         intval($lifetime)
1083                                 );
1084                         }
1085                 } else {
1086                         $insertFields = array(
1087                                 'hash' => $hash,
1088                                 'content' => $data,
1089                                 'ident' => $ident,
1090                                 'tstamp' => $GLOBALS['EXEC_TIME']
1091                         );
1092                         $GLOBALS['TYPO3_DB']->exec_DELETEquery('cache_hash', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($hash, 'cache_hash'));
1093                         $GLOBALS['TYPO3_DB']->exec_INSERTquery('cache_hash', $insertFields);
1094                 }
1095         }
1096
1097         /**
1098          * Returns the "AND NOT deleted" clause for the tablename given IF $TCA configuration points to such a field.
1099          *
1100          * @param       string          Tablename
1101          * @return      string
1102          * @see enableFields()
1103          */
1104         function deleteClause($table)   {
1105                 global $TCA;
1106                 if (!strcmp($table,'pages'))    {       // Hardcode for pages because TCA might not be loaded yet (early frontend initialization)
1107                         return ' AND pages.deleted=0';
1108                 } else {
1109                         return $TCA[$table]['ctrl']['delete'] ? ' AND '.$table.'.'.$TCA[$table]['ctrl']['delete'].'=0' : '';
1110                 }
1111         }
1112
1113         /**
1114          * Returns a part of a WHERE clause which will filter out records with start/end times or hidden/fe_groups fields set to values that should de-select them according to the current time, preview settings or user login. Definitely a frontend function.
1115          * Is using the $TCA arrays "ctrl" part where the key "enablefields" determines for each table which of these features applies to that table.
1116          *
1117          * @param       string          Table name found in the $TCA array
1118          * @param       integer         If $show_hidden is set (0/1), any hidden-fields in records are ignored. NOTICE: If you call this function, consider what to do with the show_hidden parameter. Maybe it should be set? See tslib_cObj->enableFields where it's implemented correctly.
1119          * @param       array           Array you can pass where keys can be "disabled", "starttime", "endtime", "fe_group" (keys from "enablefields" in TCA) and if set they will make sure that part of the clause is not added. Thus disables the specific part of the clause. For previewing etc.
1120          * @param       boolean         If set, enableFields will be applied regardless of any versioning preview settings which might otherwise disable enableFields
1121          * @return      string          The clause starting like " AND ...=... AND ...=..."
1122          * @see tslib_cObj::enableFields(), deleteClause()
1123          */
1124         function enableFields($table,$show_hidden=-1,$ignore_array=array(),$noVersionPreview=FALSE)     {
1125                 global $TYPO3_CONF_VARS;
1126
1127                 if ($show_hidden==-1 && is_object($GLOBALS['TSFE']))    {       // If show_hidden was not set from outside and if TSFE is an object, set it based on showHiddenPage and showHiddenRecords from TSFE
1128                         $show_hidden = $table=='pages' ? $GLOBALS['TSFE']->showHiddenPage : $GLOBALS['TSFE']->showHiddenRecords;
1129                 }
1130                 if ($show_hidden==-1)   $show_hidden=0; // If show_hidden was not changed during the previous evaluation, do it here.
1131
1132                 $ctrl = $GLOBALS['TCA'][$table]['ctrl'];
1133                 $query='';
1134                 if (is_array($ctrl))    {
1135
1136                                 // Delete field check:
1137                         if ($ctrl['delete'])    {
1138                                 $query.=' AND '.$table.'.'.$ctrl['delete'].'=0';
1139                         }
1140
1141                                 // Filter out new place-holder records in case we are NOT in a versioning preview (that means we are online!)
1142                         if ($ctrl['versioningWS'] && !$this->versioningPreview) {
1143                                 $query .= ' AND ' . $table . '.t3ver_state<=0 AND ' . $table . '.pid!=-1';      // Shadow state for new items MUST be ignored!
1144                         }
1145
1146                                 // Enable fields:
1147                         if (is_array($ctrl['enablecolumns']))   {
1148                                 if (!$this->versioningPreview || !$ctrl['versioningWS'] || $noVersionPreview) { // In case of versioning-preview, enableFields are ignored (checked in versionOL())
1149                                         if ($ctrl['enablecolumns']['disabled'] && !$show_hidden && !$ignore_array['disabled']) {
1150                                                 $field = $table.'.'.$ctrl['enablecolumns']['disabled'];
1151                                                 $query.=' AND '.$field.'=0';
1152                                         }
1153                                         if ($ctrl['enablecolumns']['starttime'] && !$ignore_array['starttime']) {
1154                                                 $field = $table.'.'.$ctrl['enablecolumns']['starttime'];
1155                                                 $query .= ' AND ' . $field . '<=' . $GLOBALS['SIM_ACCESS_TIME'];
1156                                         }
1157                                         if ($ctrl['enablecolumns']['endtime'] && !$ignore_array['endtime']) {
1158                                                 $field = $table.'.'.$ctrl['enablecolumns']['endtime'];
1159                                                 $query.=' AND ('.$field.'=0 OR '.$field.'>'.$GLOBALS['SIM_ACCESS_TIME'].')';
1160                                         }
1161                                         if ($ctrl['enablecolumns']['fe_group'] && !$ignore_array['fe_group']) {
1162                                                 $field = $table.'.'.$ctrl['enablecolumns']['fe_group'];
1163                                                 $query.= $this->getMultipleGroupsWhereClause($field, $table);
1164                                         }
1165
1166                                         // Call hook functions for additional enableColumns
1167                                         // It is used by the extension ingmar_accessctrl which enables assigning more than one usergroup to content and page records
1168                                         if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_page.php']['addEnableColumns']))    {
1169                                                 $_params = array(
1170                                                         'table' => $table,
1171                                                         'show_hidden' => $show_hidden,
1172                                                         'ignore_array' => $ignore_array,
1173                                                         'ctrl' => $ctrl
1174                                                 );
1175                                                 foreach($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_page.php']['addEnableColumns'] as $_funcRef)    {
1176                                                         $query .= t3lib_div::callUserFunction($_funcRef,$_params,$this);
1177                                                 }
1178                                         }
1179                                 }
1180                         }
1181                 } else {
1182                         throw new InvalidArgumentException(
1183                                 'There is no entry in the $TCA array for the table "' . $table .
1184                                         '". This means that the function enableFields() is ' .
1185                                         'called with an invalid table name as argument.',
1186                                 1283790586
1187                         );
1188                 }
1189
1190                 return $query;
1191         }
1192
1193         /**
1194          * Creating where-clause for checking group access to elements in enableFields function
1195          *
1196          * @param       string          Field with group list
1197          * @param       string          Table name
1198          * @return      string          AND sql-clause
1199          * @see enableFields()
1200          */
1201         function getMultipleGroupsWhereClause($field, $table)   {
1202                 $memberGroups = t3lib_div::intExplode(',',$GLOBALS['TSFE']->gr_list);
1203                 $orChecks=array();
1204                 $orChecks[]=$field.'=\'\'';     // If the field is empty, then OK
1205                 $orChecks[]=$field.' IS NULL';  // If the field is NULL, then OK
1206                 $orChecks[]=$field.'=\'0\'';    // If the field contsains zero, then OK
1207
1208                 foreach($memberGroups as $value)        {
1209                         $orChecks[] = $GLOBALS['TYPO3_DB']->listQuery($field, $value, $table);
1210                 }
1211
1212                 return ' AND ('.implode(' OR ',$orChecks).')';
1213         }
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229         /*********************************
1230          *
1231          * Versioning Preview
1232          *
1233          **********************************/
1234
1235         /**
1236          * Finding online PID for offline version record
1237          * ONLY active when backend user is previewing records. MUST NEVER affect a site served which is not previewed by backend users!!!
1238          * Will look if the "pid" value of the input record is -1 (it is an offline version) and if the table supports versioning; if so, it will translate the -1 PID into the PID of the original record
1239          * Used whenever you are tracking something back, like making the root line.
1240          * Principle; Record offline! => Find online?
1241          *
1242          * @param       string          Table name
1243          * @param       array           Record array passed by reference. As minimum, "pid" and "uid" fields must exist! "t3ver_oid" and "t3ver_wsid" is nice and will save you a DB query.
1244          * @return      void            (Passed by ref).
1245          * @see t3lib_BEfunc::fixVersioningPid(), versionOL(), getRootLine()
1246          */
1247         function fixVersioningPid($table,&$rr)  {
1248                 global $TCA;
1249
1250                 if ($this->versioningPreview && is_array($rr) && $rr['pid']==-1 && ($table=='pages' || $TCA[$table]['ctrl']['versioningWS']))   {       // Have to hardcode it for "pages" table since TCA is not loaded at this moment!
1251
1252                                 // Check values for t3ver_oid and t3ver_wsid:
1253                         if (isset($rr['t3ver_oid']) && isset($rr['t3ver_wsid']))        {       // If "t3ver_oid" is already a field, just set this:
1254                                 $oid = $rr['t3ver_oid'];
1255                                 $wsid = $rr['t3ver_wsid'];
1256                         } else {        // Otherwise we have to expect "uid" to be in the record and look up based on this:
1257                                 $newPidRec = $this->getRawRecord($table,$rr['uid'],'t3ver_oid,t3ver_wsid',TRUE);
1258                                 if (is_array($newPidRec))       {
1259                                         $oid = $newPidRec['t3ver_oid'];
1260                                         $wsid = $newPidRec['t3ver_wsid'];
1261                                 }
1262                         }
1263
1264                         // If workspace ids matches and ID of current online version is found, look up the PID value of that:
1265                         if ($oid && (($this->versioningWorkspaceId == 0 && $this->checkWorkspaceAccess($wsid)) || !strcmp((int)$wsid,$this->versioningWorkspaceId)))    {
1266                                 $oidRec = $this->getRawRecord($table,$oid,'pid',TRUE);
1267
1268                                 if (is_array($oidRec))  {
1269                                         # SWAP uid as well? Well no, because when fixing a versioning PID happens it is assumed that this is a "branch" type page and therefore the uid should be kept (like in versionOL()). However if the page is NOT a branch version it should not happen - but then again, direct access to that uid should not happen!
1270                                         $rr['_ORIG_pid'] = $rr['pid'];
1271                                         $rr['pid'] = $oidRec['pid'];
1272                                 }
1273                         }
1274                 }
1275
1276                         // changing PID in case of moving pointer:
1277                 if ($movePlhRec = $this->getMovePlaceholder($table,$rr['uid'],'pid'))   {
1278                         $rr['pid'] = $movePlhRec['pid'];
1279                 }
1280         }
1281
1282         /**
1283          * Versioning Preview Overlay
1284          * ONLY active when backend user is previewing records. MUST NEVER affect a site served which is not previewed by backend users!!!
1285          * Generally ALWAYS used when records are selected based on uid or pid. If records are selected on other fields than uid or pid (eg. "email = ....") then usage might produce undesired results and that should be evaluated on individual basis.
1286          * Principle; Record online! => Find offline?
1287          *
1288          * @param       string          Table name
1289          * @param       array           Record array passed by reference. As minimum, the "uid", "pid" and "t3ver_state" fields must exist! The record MAY be set to FALSE in which case the calling function should act as if the record is forbidden to access!
1290          * @param       boolean         If set, the $row is cleared in case it is a move-pointer. This is only for preview of moved records (to remove the record from the original location so it appears only in the new location)
1291          * @param       boolean         Unless this option is TRUE, the $row is unset if enablefields for BOTH the version AND the online record deselects it. This is because when versionOL() is called it is assumed that the online record is already selected with no regards to it's enablefields. However, after looking for a new version the online record enablefields must ALSO be evaluated of course. This is done all by this function!
1292          * @return      void            (Passed by ref).
1293          * @see fixVersioningPid(), t3lib_BEfunc::workspaceOL()
1294          */
1295         function versionOL($table,&$row,$unsetMovePointers=FALSE,$bypassEnableFieldsCheck=FALSE)        {
1296                 global $TCA;
1297
1298                 if ($this->versioningPreview && is_array($row)) {
1299                         $movePldSwap = $this->movePlhOL($table,$row);   // will overlay any movePlhOL found with the real record, which in turn will be overlaid with its workspace version if any.
1300                         if ($wsAlt = $this->getWorkspaceVersionOfRecord($this->versioningWorkspaceId, $table, $row['uid'], implode(',',array_keys($row)), $bypassEnableFieldsCheck))    {       // implode(',',array_keys($row)) = Using fields from original record to make sure no additional fields are selected. This is best for eg. getPageOverlay()
1301                                 if (is_array($wsAlt))   {
1302                                                 // Always fix PID (like in fixVersioningPid() above). [This is usually not the important factor for versioning OL]
1303                                         $wsAlt['_ORIG_pid'] = $wsAlt['pid'];    // Keep the old (-1) - indicates it was a version...
1304                                         $wsAlt['pid'] = $row['pid'];            // Set in the online versions PID.
1305
1306                                                 // "element" and "page" type versions:
1307                                                 // For versions of single elements or page+content, preserve online UID and PID (this will produce true "overlay" of element _content_, not any references)
1308                                                 // For page+content the "_ORIG_uid" should actually be used as PID for selection of tables with "versioning_followPages" enabled.
1309                                         if ($table!=='pages' || $wsAlt['t3ver_swapmode']<=0)    {
1310                                                 $wsAlt['_ORIG_uid'] = $wsAlt['uid'];
1311                                                 $wsAlt['uid'] = $row['uid'];
1312
1313                                                         // Translate page alias as well so links are pointing to the _online_ page:
1314                                                 if ($table==='pages')   {
1315                                                         $wsAlt['alias'] = $row['alias'];
1316                                                 }
1317                                         } else {
1318                                                         // "branch" versions:
1319                                                         // Keeping overlay uid and pid so references are changed. This is only for page-versions with BRANCH below!
1320                                                 $wsAlt['_ONLINE_uid'] = $row['uid'];    // The UID of the versionized record is kept and the uid of the online version is stored
1321                                         }
1322
1323                                                 // Changing input record to the workspace version alternative:
1324                                         $row = $wsAlt;
1325
1326                                                 // Check if it is deleted/new
1327                                         if ((int)$row['t3ver_state']===1 || (int)$row['t3ver_state']===2)       {
1328                                                 $row = FALSE;   // Unset record if it turned out to be deleted in workspace
1329                                         }
1330
1331                                                 // Check if move-pointer in workspace (unless if a move-placeholder is the reason why it appears!):
1332                                                 // You have to specifically set $unsetMovePointers in order to clear these because it is normally a display issue if it should be shown or not.
1333                                         if ((int)$row['t3ver_state']===4 && !$movePldSwap && $unsetMovePointers)        {
1334                                                 $row = FALSE;   // Unset record if it turned out to be deleted in workspace
1335                                         }
1336                                 } else {
1337                                                 // No version found, then check if t3ver_state =1 (online version is dummy-representation)
1338                                                 // Notice, that unless $bypassEnableFieldsCheck is TRUE, the $row is unset if enablefields for BOTH the version AND the online record deselects it. See note for $bypassEnableFieldsCheck
1339                                         if ($wsAlt<=-1 || (int)$row['t3ver_state']>0)   {
1340                                                 $row = FALSE;   // Unset record if it turned out to be "hidden"
1341                                         }
1342                                 }
1343                         }
1344                 }
1345         }
1346
1347         /**
1348          * Checks if record is a move-placeholder (t3ver_state==3) and if so it will set $row to be the pointed-to live record (and return TRUE)
1349          * Used from versionOL
1350          *
1351          * @param       string          Table name
1352          * @param       array           Row (passed by reference) - only online records...
1353          * @return      boolean         True if overlay is made.
1354          * @see t3lib_BEfunc::movePlhOl()
1355          */
1356         function movePlhOL($table,&$row)        {
1357                 global $TCA;
1358
1359                 if (($table=='pages' || (int)$TCA[$table]['ctrl']['versioningWS']>=2) && (int)$row['t3ver_state']===3)  {       // Only for WS ver 2... (moving)
1360
1361                                 // If t3ver_move_id is not found, then find it... (but we like best if it is here...)
1362                         if (!isset($row['t3ver_move_id']))      {
1363                                 $moveIDRec = $this->getRawRecord($table,$row['uid'],'t3ver_move_id',TRUE);
1364                                 $moveID = $moveIDRec['t3ver_move_id'];
1365                         } else {
1366                                 $moveID = $row['t3ver_move_id'];
1367                         }
1368
1369                                 // Find pointed-to record.
1370                         if ($moveID)    {
1371                                 $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(implode(',',array_keys($row)), $table, 'uid='.intval($moveID).$this->enableFields($table));
1372                                 $origRow = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
1373                                 $GLOBALS['TYPO3_DB']->sql_free_result($res);
1374                                 if ($origRow)   {
1375                                         $row = $origRow;
1376                                         return TRUE;
1377                                 }
1378                         }
1379                 }
1380                 return FALSE;
1381         }
1382
1383         /**
1384          * Returns move placeholder of online (live) version
1385          *
1386          * @param       string          Table name
1387          * @param       integer         Record UID of online version
1388          * @param       string          Field list, default is *
1389          * @return      array           If found, the record, otherwise nothing.
1390          * @see t3lib_BEfunc::getMovePlaceholder()
1391          */
1392         function getMovePlaceholder($table,$uid,$fields='*')    {
1393                 global $TCA;
1394
1395                 if ($this->versioningPreview)   {
1396                         $workspace = (int)$this->versioningWorkspaceId;
1397                         if (($table=='pages' || (int)$TCA[$table]['ctrl']['versioningWS']>=2) && $workspace!==0)        {
1398
1399                                         // Select workspace version of record:
1400                                 $rows = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1401                                         $fields,
1402                                         $table,
1403                                         'pid!=-1 AND
1404                                          t3ver_state=3 AND
1405                                          t3ver_move_id='.intval($uid).' AND
1406                                          t3ver_wsid='.intval($workspace).
1407                                         $this->deleteClause($table)
1408                                 );
1409
1410                                 if (is_array($rows[0])) {
1411                                         return $rows[0];
1412                                 }
1413                         }
1414                 }
1415                 return FALSE;
1416         }
1417
1418         /**
1419          * Select the version of a record for a workspace
1420          *
1421          * @param       integer         Workspace ID
1422          * @param       string          Table name to select from
1423          * @param       integer         Record uid for which to find workspace version.
1424          * @param       string          Field list to select
1425          * @param       boolean         If true, enablefields are not checked for.
1426          * @return      mixed           If found, return record, otherwise other value: Returns 1 if version was sought for but not found, returns -1/-2 if record (offline/online) existed but had enableFields that would disable it. Returns FALSE if not in workspace or no versioning for record. Notice, that the enablefields of the online record is also tested.
1427          * @see t3lib_befunc::getWorkspaceVersionOfRecord()
1428          */
1429         function getWorkspaceVersionOfRecord($workspace, $table, $uid, $fields='*',$bypassEnableFieldsCheck=FALSE)      {
1430                 global $TCA;
1431
1432                 if ($workspace!==0 && ($table=='pages' || $TCA[$table]['ctrl']['versioningWS']))        {       // Have to hardcode it for "pages" table since TCA is not loaded at this moment!
1433
1434                                 // Setting up enableFields for version record:
1435                         if ($table=='pages')    {
1436                                 $enFields = $this->versioningPreview_where_hid_del;
1437                         } else {
1438                                 $enFields = $this->enableFields($table,-1,array(),TRUE);
1439                         }
1440
1441                                 // Select workspace version of record, only testing for deleted.
1442                         list($newrow) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1443                                 $fields,
1444                                 $table,
1445                                 'pid=-1 AND
1446                                  t3ver_oid='.intval($uid).' AND
1447                                  t3ver_wsid='.intval($workspace).
1448                                         $this->deleteClause($table)
1449                         );
1450
1451                                 // If version found, check if it could have been selected with enableFields on as well:
1452                         if (is_array($newrow))  {
1453                                 if ($bypassEnableFieldsCheck || $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1454                                         'uid',
1455                                         $table,
1456                                         'pid=-1 AND
1457                                                 t3ver_oid='.intval($uid).' AND
1458                                                 t3ver_wsid='.intval($workspace).
1459                                                 $enFields
1460                                 )) {
1461                                         return $newrow; // Return offline version, tested for its enableFields.
1462                                 } else {
1463                                         return -1;      // Return -1 because offline version was de-selected due to its enableFields.
1464                                 }
1465                         } else {
1466                                         // OK, so no workspace version was found. Then check if online version can be selected with full enable fields and if so, return 1:
1467                                 if ($bypassEnableFieldsCheck || $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
1468                                         'uid',
1469                                         $table,
1470                                         'uid='.intval($uid).$enFields
1471                                 ))      {
1472                                         return 1;       // Means search was done, but no version found.
1473                                 } else {
1474                                         return -2;      // Return -2 because the online record was de-selected due to its enableFields.
1475                                 }
1476                         }
1477                 }
1478
1479                 return FALSE;   // No look up in database because versioning not enabled / or workspace not offline
1480         }
1481
1482         /**
1483          * Checks if user has access to workspace.
1484          *
1485          * @param       int     $wsid   Workspace ID
1486          * @return      boolean <code>true</code> if has access
1487          */
1488         function checkWorkspaceAccess($wsid) {
1489                 if (!$GLOBALS['BE_USER']) {
1490                         return false;
1491                 }
1492                 if (isset($this->workspaceCache[$wsid])) {
1493                         $ws = $this->workspaceCache[$wsid];
1494                 }
1495                 else {
1496                         if ($wsid > 0) {
1497                                 $ws = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('*', 'sys_workspace', 'uid='.intval($wsid).' AND deleted=0'); // No $TCA yet!
1498                                 if (count($ws)) {
1499                                         $ws = $ws[0];
1500                                 }
1501                                 else {
1502                                         return false;
1503                                 }
1504                         }
1505                         else {
1506                                 $ws = $wsid;
1507                         }
1508                         $ws = $GLOBALS['BE_USER']->checkWorkspace($ws);
1509                         $this->workspaceCache[$wsid] = $ws;
1510                 }
1511                 return ($ws['_ACCESS'] != '');
1512         }
1513 }
1514
1515
1516
1517 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_page.php'])      {
1518         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_page.php']);
1519 }
1520
1521 ?>