functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4 * mailbox_display.php
   5 *
   6 * Copyright (c) 1999-2005 The SquirrelMail Project Team
   7 * Licensed under the GNU GPL. For full terms see the file COPYING.
   8 *
   9 * This contains functions that display mailbox information, such as the
  10 * table row that has sender, date, subject, etc...
  11 *
  12 * @version $Id$
  13 * @package squirrelmail
  14 */
  15
  16 /** The standard includes.. */
  17 require_once(SM_PATH . 'functions/strings.php');
  18 require_once(SM_PATH . 'functions/html.php');
  19 require_once(SM_PATH . 'functions/imap_mailbox.php');
  20 require_once(SM_PATH . 'functions/imap_messages.php');
  21 require_once(SM_PATH . 'functions/imap_asearch.php');
  22 require_once(SM_PATH . 'functions/mime.php');
  23 require_once(SM_PATH . 'functions/forms.php');
  24
  25
  26 /**
  27  * Selects a mailbox for header retrieval.
  28  * Cache control for message headers is embedded.
  29  *
  30  * @param resource $imapConnection imap socket handle
  31  * @param string   $mailbox mailbox to select and retrieve message headers from
  32  * @param array    $aConfig array with system config settings and incoming vars
  33  * @param array    $aProps mailbox specific properties
  34  * @return array   $aMailbox mailbox array with all relevant information
  35  * @author Marc Groot Koerkamp
  36  */
  37 function sqm_api_mailbox_select($imapConnection,$account,$mailbox,$aConfig,$aProps) {
  38
  39     /**
  40      * NB: retrieve this from the session before accessing this function
  41      * and make sure you write it back at the end of the script after
  42      * the aMailbox var is added so that the headers are added to the cache
  43      */
  44     global $mailbox_cache;
  45
  46     $aDefaultConfigProps = array(
  47 //                'charset'           => 'US-ASCII',
  48                 'user'              => false, /* no pref storage if false */
  49                 'setindex'          => 0,
  50 //                'search'            => 'ALL',
  51                 'max_cache_size'    => SQM_MAX_MBX_IN_CACHE
  52                 );
  53
  54     $aConfig = array_merge($aDefaultConfigProps,$aConfig);
  55
  56     $iSetIndx = $aConfig['setindex'];
  57
  58     $aMbxResponse = sqimap_mailbox_select($imapConnection, $mailbox);
  59
  60     if ($mailbox_cache) {
  61         if (isset($mailbox_cache[$account.'_'.$mailbox])) {
  62             $aCachedMailbox = $mailbox_cache[$account.'_'.$mailbox];
  63         } else {
  64             $aCachedMailbox = false;
  65         }
  66             /* cleanup cache */
  67         if (count($mailbox_cache) > $aConfig['max_cache_size'] -1) {
  68             $aTime = array();
  69             foreach($mailbox_cache as $cachedmailbox => $aVal) {
  70                 $aTime[$aVal['TIMESTAMP']] = $cachedmailbox;
  71             }
  72             if (ksort($aTime,SORT_NUMERIC)) {
  73                 for ($i=0,$iCnt=count($mailbox_cache);$i<($iCnt-$aConfig['max_cache_size']);++$i) {
  74                     $sOldestMbx = array_shift($aTime);
  75                     /**
  76                      * Remove only the UIDSET and MSG_HEADERS from cache because those can
  77                      * contain large amounts of data.
  78                      */
  79                     if (isset($mailbox_cache[$sOldestMbx]['UIDSET'])) {
  80                         $mailbox_cache[$sOldestMbx]['UIDSET']= false;
  81                     }
  82                     if (isset($mailbox_cache[$sOldestMbx]['MSG_HEADERS'])) {
  83                         $mailbox_cache[$sOldestMbx]['MSG_HEADERS'] = false;
  84                     }
  85                 }
  86             }
  87         }
  88
  89     } else {
  90         $aCachedMailbox = false;
  91     }
  92
  93     /**
  94      * Deal with imap servers that do not return the required UIDNEXT or
  95      * UIDVALIDITY response
  96      * from a SELECT call (since rfc 3501 it's required).
  97      */
  98     if (!isset($aMbxResponse['UIDNEXT']) || !isset($aMbxResponse['UIDVALIDITY'])) {
  99         $aStatus = sqimap_status_messages($imapConnection,$mailbox,
 100                                         array('UIDNEXT','UIDVALIDITY'));
 101         $aMbxResponse['UIDNEXT'] = $aStatus['UIDNEXT'];
 102         $aMbxResponse['UIDVALIDTY'] = $aStatus['UIDVALIDITY'];
 103     }
 104
 105     $aMailbox['ACCOUNT'] = $account;
 106     $aMailbox['UIDSET'][$iSetIndx] = false;
 107     $aMailbox['ID'] = false;
 108     $aMailbox['SETINDEX'] = $iSetIndx;
 109
 110     if ($aCachedMailbox) {
 111         /**
 112          * Validate integrity of cached data
 113          */
 114         if ($aCachedMailbox['EXISTS'] == $aMbxResponse['EXISTS'] &&
 115             $aMbxResponse['EXISTS'] &&
 116             $aCachedMailbox['UIDVALIDITY'] == $aMbxResponse['UIDVALIDITY'] &&
 117             $aCachedMailbox['UIDNEXT']  == $aMbxResponse['UIDNEXT'] &&
 118             isset($aCachedMailbox['SEARCH'][$iSetIndx]) &&
 119             (!isset($aConfig['search']) || /* always set search from the searchpage */
 120              $aCachedMailbox['SEARCH'][$iSetIndx] == $aConfig['search'])) {
 121             if (isset($aCachedMailbox['MSG_HEADERS'])) {
 122                 $aMailbox['MSG_HEADERS'] = $aCachedMailbox['MSG_HEADERS'];
 123             }
 124             $aMailbox['ID'] =  $aCachedMailbox['ID'];
 125             if (isset($aCachedMailbox['UIDSET'][$iSetIndx]) && $aCachedMailbox['UIDSET'][$iSetIndx]) {
 126                 if (isset($aProps[MBX_PREF_SORT]) &&  $aProps[MBX_PREF_SORT] != $aCachedMailbox['SORT'] ) {
 127                     $newsort = $aProps[MBX_PREF_SORT];
 128                     $oldsort = $aCachedMailbox['SORT'];
 129                     /**
 130                      * If it concerns a reverse sort we do not need to invalidate
 131                      * the cached sorted UIDSET, a reverse is sufficient.
 132                      */
 133                     if ((($newsort % 2) && ($newsort + 1 == $oldsort)) ||
 134                         (!($newsort % 2) && ($newsort - 1 == $oldsort))) {
 135                         $aMailbox['UIDSET'][$iSetIndx] = array_reverse($aCachedMailbox['UIDSET'][$iSetIndx]);
 136                     } else {
 137                         $server_sort_array = false;
 138                         $aMailbox['MSG_HEADERS'] = false;
 139                         $aMailbox['ID'] = false;
 140                     }
 141                     // store the new sort value in the mailbox pref
 142                     if ($aConfig['user']) {
 143                         // FIXME, in ideal situation, we write back the
 144                         // prefs at the end of the script
 145                         setUserPref($aConfig['user'],'pref_'.$account.'_'.$mailbox,serialize($aProps));
 146                     }
 147                 } else {
 148                     $aMailbox['UIDSET'][$iSetIndx] = $aCachedMailbox['UIDSET'][$iSetIndx];
 149                 }
 150             }
 151         }
 152     }
 153     /**
 154      * Restore the offset in the paginator if no new offset is provided.
 155      */
 156     if (isset($aMailbox['UIDSET'][$iSetIndx]) && !isset($aConfig['offset']) && $aCachedMailbox['OFFSET']) {
 157         $aMailbox['OFFSET'] =  $aCachedMailbox['OFFSET'];
 158         $aMailbox['PAGEOFFSET'] =  $aCachedMailbox['PAGEOFFSET'];
 159     } else {
 160         $aMailbox['OFFSET'] = (isset($aConfig['offset']) && $aConfig['offset']) ? $aConfig['offset'] -1 : 0;
 161         $aMailbox['PAGEOFFSET'] = (isset($aConfig['offset']) && $aConfig['offset']) ? $aConfig['offset'] : 1;
 162     }
 163     /**
 164      * Restore the number of messages in the result set
 165      */
 166     if (isset($aCachedMailbox['TOTAL'][$iSetIndx]) && $aCachedMailbox['TOTAL'][$iSetIndx]) {
 167         $aMailbox['TOTAL'][$iSetIndx] =  $aCachedMailbox['TOTAL'][$iSetIndx];
 168     }
 169
 170     /**
 171      * Restore the showall value no new showall value is provided.
 172      */
 173     if (isset($aMailbox['UIDSET'][$iSetIndx]) && !isset($aConfig['showall']) &&
 174         isset($aCachedMailbox['SHOWALL'][$iSetIndx]) && $aCachedMailbox['SHOWALL'][$iSetIndx]) {
 175         $aMailbox['SHOWALL'][$iSetIndx] =  $aCachedMailbox['SHOWALL'][$iSetIndx];
 176     } else {
 177         $aMailbox['SHOWALL'][$iSetIndx] = (isset($aConfig['showall']) && $aConfig['showall']) ? 1 : 0;
 178     }
 179
 180     /**
 181      * Restore the sort order if no new sort order is provided.
 182      */
 183     if (!isset($aProps[MBX_PREF_SORT]) && isset($aCachedMailbox['SORT'])) {
 184         $aMailbox['SORT'] = $aCachedMailbox['SORT'];
 185     } else {
 186         $aMailbox['SORT'] =  (isset($aProps[MBX_PREF_SORT])) ? $aProps[MBX_PREF_SORT] : 0;
 187     }
 188
 189     /**
 190      * Restore the number of message to show per page when no new limit is provided
 191      */
 192     if (!isset($aProps[MBX_PREF_LIMIT]) && isset($aCachedMailbox['LIMIT'])) {
 193         $aMailbox['LIMIT'] = $aCachedMailbox['LIMIT'];
 194     } else {
 195         $aMailbox['LIMIT'] =  (isset($aProps[MBX_PREF_LIMIT])) ? $aProps[MBX_PREF_LIMIT] : 15;
 196     }
 197
 198     /**
 199      * Restore the ordered columns to show when no new ordered columns are provided
 200      */
 201     if (!isset($aProps[MBX_PREF_COLUMNS]) && isset($aCachedMailbox['COLUMNS'])) {
 202         $aMailbox['COLUMNS'] = $aCachedMailbox['COLUMNS'];
 203     } else {
 204         $aMailbox['COLUMNS'] =  (isset($aProps[MBX_PREF_COLUMNS])) ? $aProps[MBX_PREF_COLUMNS] :
 205             array(SQM_COL_FLAGS,SQM_COL_FROM, SQM_COL_SUBJ, SQM_COL_FLAGS);
 206     }
 207
 208     /**
 209      * Restore the headers we fetch the last time. Saves intitialisation stuff in read_body.
 210      */
 211     $aMailbox['FETCHHEADERS'] = (isset($aCachedMailbox['FETCHHEADERS'])) ? $aCachedMailbox['FETCHHEADERS'] : null;
 212
 213     if (!isset($aProps[MBX_PREF_AUTO_EXPUNGE]) && isset($aCachedMailbox['AUTO_EXPUNGE'])) {
 214         $aMailbox['AUTO_EXPUNGE'] = $aCachedMailbox['AUTO_EXPUNGE'];
 215     } else {
 216         $aMailbox['AUTO_EXPUNGE'] =  (isset($aProps[MBX_PREF_AUTO_EXPUNGE])) ? $aProps[MBX_PREF_AUTO_EXPUNGE] : false;
 217     }
 218     if (!isset($aConfig['search']) && isset($aCachedMailbox['SEARCH'][$iSetIndx])) {
 219         $aMailbox['SEARCH'][$iSetIndx] = $aCachedMailbox['SEARCH'][$iSetIndx];
 220     } else {
 221         $aMailbox['SEARCH'][$iSetIndx] =  (isset($aConfig['search'])) ? $aConfig['search'] : 'ALL';
 222     }
 223     if (!isset($aConfig['charset']) && isset($aCachedMailbox['CHARSET'][$iSetIndx])) {
 224         $aMailbox['CHARSET'][$iSetIndx] = $aCachedMailbox['CHARSET'][$iSetIndx];
 225     } else {
 226         $aMailbox['CHARSET'][$iSetIndx] =  (isset($aConfig['charset'])) ? $aConfig['charset'] : 'US-ASCII';
 227     }
 228
 229     $aMailbox['NAME'] = $mailbox;
 230     $aMailbox['EXISTS'] = $aMbxResponse['EXISTS'];
 231     $aMailbox['SEEN'] = (isset($aMbxResponse['SEEN'])) ? $aMbxResponse['SEEN'] : $aMbxResponse['EXISTS'];
 232     $aMailbox['RECENT'] = (isset($aMbxResponse['RECENT'])) ? $aMbxResponse['RECENT'] : 0;
 233     $aMailbox['UIDVALIDITY'] = $aMbxResponse['UIDVALIDITY'];
 234     $aMailbox['UIDNEXT'] = $aMbxResponse['UIDNEXT'];
 235     $aMailbox['PERMANENTFLAGS'] = $aMbxResponse['PERMANENTFLAGS'];
 236     $aMailbox['RIGHTS'] = $aMbxResponse['RIGHTS'];
 237
 238     /* decide if we are thread sorting or not */
 239     if ($aMailbox['SORT'] & SQSORT_THREAD) {
 240         if (!sqimap_capability($imapConnection,'THREAD')) {
 241             $aMailbox['SORT'] ^= SQSORT_THREAD;
 242         } else {
 243             $aMailbox['THREAD_INDENT'] = $aCachedMailbox['THREAD_INDENT'];
 244         }
 245     } else {
 246         $aMailbox['THREAD_INDENT'] = false;
 247     }
 248
 249     /* set a timestamp for cachecontrol */
 250     $aMailbox['TIMESTAMP'] = time();
 251     return $aMailbox;
 252 }
 253
 254 /**
 255  * Fetch the message headers for a mailbox. Settings are part of the aMailbox
 256  * array.
 257  *
 258  * @param resource $imapConnection imap socket handle
 259  * @param array    $aMailbox (reference) mailbox retrieved from sqm_api_mailbox_select
 260  * @return error   $error error number
 261  * @author Marc Groot Koerkamp
 262  */
 263 function fetchMessageHeaders($imapConnection, &$aMailbox) {
 264
 265     /* FIX ME, this function is kind of big, maybe we can split it up in
 266        a couple of functions. Make sure the functions are private and starts with _
 267        Also make sure that the error codes are propagated */
 268
 269     /**
 270      * Retrieve the UIDSET.
 271      * Setindex is used to be able to store multiple uid sets. That will make it
 272      * possible to display the mailbox multiple times in different sort order
 273      * or to store serach results separate from normal mailbox view.
 274      */
 275     $iSetIndx =  (isset($aMailbox['SETINDEX'])) ? $aMailbox['SETINDEX'] : 0;
 276
 277     $iLimit = ($aMailbox['SHOWALL'][$iSetIndx]) ? $aMailbox['EXISTS'] : $aMailbox['LIMIT'];
 278     /**
 279      * Adjust the start_msg
 280      */
 281     $start_msg = $aMailbox['PAGEOFFSET'];
 282     if($aMailbox['PAGEOFFSET'] > $aMailbox['EXISTS']) {
 283         $start_msg -= $aMailbox['LIMIT'];
 284         if($start_msg < 1) {
 285             $start_msg = 1;
 286         }
 287     }
 288
 289     if (is_array($aMailbox['UIDSET'])) {
 290         $aUid =& $aMailbox['UIDSET'][$iSetIndx];
 291     } else {
 292         $aUid = false;
 293     }
 294     $aFetchHeaders = $aMailbox['FETCHHEADERS'];
 295
 296     $iError = 0;
 297     $aFetchItems = $aHeaderItems = array();
 298     // initialize the fields we want to retrieve:
 299     foreach ($aFetchHeaders as $v) {
 300       switch ($v) {
 301         case SQM_COL_DATE:       $aHeaderFields[] = 'Date';         break;
 302         case SQM_COL_TO:         $aHeaderFields[] = 'To';           break;
 303         case SQM_COL_CC:         $aHeaderFields[] = 'Cc';           break;
 304         case SQM_COL_FROM:       $aHeaderFields[] = 'From';         break;
 305         case SQM_COL_SUBJ:       $aHeaderFields[] = 'Subject';      break;
 306         case SQM_COL_PRIO:       $aHeaderFields[] = 'X-Priority';   break;
 307         case SQM_COL_ATTACHMENT: $aHeaderFields[] = 'Content-Type'; break;
 308         case SQM_COL_INT_DATE:   $aFetchItems[]   = 'INTERNALDATE'; break;
 309         case SQM_COL_FLAGS:      $aFetchItems[]   = 'FLAGS';        break;
 310         case SQM_COL_SIZE:       $aFetchItems[]   = 'RFC822.SIZE';  break;
 311         default: break;
 312       }
 313     }
 314
 315     /**
 316      * A uidset with sorted uid's is available. We can use the cache
 317      */
 318     if (isset($aUid) && $aUid ) {
 319         // limit the cache to SQM_MAX_PAGES_IN_CACHE
 320         if (!$aMailbox['SHOWALL'][$iSetIndx] && isset($aMailbox['MSG_HEADERS'])) {
 321             $iMaxMsgs = $iLimit * SQM_MAX_PAGES_IN_CACHE;
 322             $iCacheSize = count($aMailbox['MSG_HEADERS']);
 323             if ($iCacheSize > $iMaxMsgs) {
 324                 $iReduce = $iCacheSize - $iMaxMsgs;
 325                 foreach ($aMailbox['MSG_HEADERS'] as $iUid => $value) {
 326                     if ($iReduce) {
 327                         unset($aMailbox['MSG_HEADERS'][$iUid]);
 328                     } else {
 329                         break;
 330                     }
 331                     --$iReduce;
 332                 }
 333             }
 334         }
 335
 336         $id_slice = array_slice($aUid,$start_msg-1,$iLimit);
 337         /* do some funky cache checks */
 338         if (isset($aMailbox['MSG_HEADERS'])) {
 339             $aUidCached = array_keys($aMailbox['MSG_HEADERS']);
 340         } else {
 341             $aMailbox['MSG_HEADERS'] = array();
 342             $aUidCached = array();
 343         }
 344         $aUidNotCached = array_values(array_diff($id_slice,$aUidCached));
 345
 346         /**
 347          * $aUidNotCached contains an array with UID's which need to be fetched to
 348          * complete the needed message headers.
 349          */
 350         if (count($aUidNotCached)) {
 351             $aMsgs = sqimap_get_small_header_list($imapConnection,$aUidNotCached,
 352                                                     $aHeaderFields,$aFetchItems);
 353             // append the msgs to the existend headers
 354             $aMailbox['MSG_HEADERS'] += $aMsgs;
 355         }
 356     } else {
 357         /**
 358          * Initialize the sorted UID list or initiate a UID list with search
 359          * results and fetch the visible message headers
 360          */
 361
 362         if ($aMailbox['SEARCH'][$iSetIndx] != 'ALL') { // in case of a search request
 363
 364             if ($aMailbox['SEARCH'][$iSetIndx] && $aMailbox['SORT'] == 0) {
 365                 $aUid = sqimap_run_search($imapConnection, $aMailbox['SEARCH'][$iSetIndx], $aMailbox['CHARSET'][$iSetIndx]);
 366             } else {
 367
 368                 $iError = 0;
 369                 $iError = _get_sorted_msgs_list($imapConnection,$aMailbox,$iError);
 370                 $aUid = $aMailbox['UIDSET'][$iSetIndx];
 371             }
 372             if (!$iError) {
 373                 /**
 374                  * Number of messages is the resultset
 375                  */
 376                 $aMailbox['TOTAL'][$iSetIndx] = count($aUid);
 377                 $id_slice = array_slice($aUid,$aMailbox['OFFSET'], $iLimit);
 378                 if (count($id_slice)) {
 379                     $aMailbox['MSG_HEADERS'] = sqimap_get_small_header_list($imapConnection,$id_slice,
 380                         $aHeaderFields,$aFetchItems);
 381                 } else {
 382                     $iError = 1; // FIX ME, define an error code
 383                 }
 384             }
 385         } else { //
 386             $iError = 0;
 387             $iError = _get_sorted_msgs_list($imapConnection,$aMailbox,$iError);
 388             $aUid = $aMailbox['UIDSET'][$iSetIndx];
 389
 390             if (!$iError) {
 391                 /**
 392                  * Number of messages is the resultset
 393                  */
 394                 $aMailbox['TOTAL'][$iSetIndx] = count($aUid);
 395                 $id_slice = array_slice($aUid,$aMailbox['OFFSET'], $iLimit);
 396                 if (count($id_slice)) {
 397                     $aMailbox['MSG_HEADERS'] = sqimap_get_small_header_list($imapConnection,$id_slice,
 398                         $aHeaderFields,$aFetchItems);
 399                 } else {
 400                     $iError = 1; // FIX ME, define an error code
 401                 }
 402             }
 403         }
 404     }
 405     return $iError;
 406 }
 407
 408 function prepareMessageList(&$aMailbox, $aProps) {
 409     /* retrieve the properties */
 410     $my_email_address = (isset($aProps['email'])) ? $aProps['email'] : false;
 411     $highlight_list   = (isset($aProps['config']['highlight_list'])) ? $aProps['config']['highlight_list'] : false;
 412     $aColumnDesc      = (isset($aProps['columns'])) ? $aProps['columns'] : false;
 413     $aExtraColumns    = (isset($aProps['extra_columns'])) ? $aProps['extra_columns'] : array();
 414     $iAccount         = (isset($aProps['account'])) ? (int) $aProps['account'] : 0;
 415     $sMailbox         = (isset($aProps['mailbox'])) ? $aProps['mailbox'] : false;
 416     $sTargetModule    = (isset($aProps['module'])) ? $aProps['module'] : 'read_body';
 417
 418     /*
 419      * TODO 1, retrieve array with identity email addresses in order to match against to,cc and set a flag
 420      * $aFormattedMessages[$iUid]['match_identity'] = true
 421      * The template can show some image if there is a match.
 422      * TODO 2, makes sure the matching is done fast by doing a strpos call on the returned $value
 423      */
 424
 425     /**
 426      * Only retrieve values for displayable columns
 427      */
 428     foreach ($aColumnDesc as $k => $v) {
 429         switch ($k) {
 430           case SQM_COL_FROM:       $aCol[SQM_COL_FROM]       = 'from';         break;
 431           case SQM_COL_DATE:       $aCol[SQM_COL_DATE]       = 'date';         break;
 432           case SQM_COL_SUBJ:       $aCol[SQM_COL_SUBJ]       = 'subject';      break;
 433           case SQM_COL_FLAGS:      $aCol[SQM_COL_FLAGS]      = 'FLAGS';        break;
 434           case SQM_COL_SIZE:       $aCol[SQM_COL_SIZE]       = 'SIZE';         break;
 435           case SQM_COL_PRIO:       $aCol[SQM_COL_PRIO]       = 'x-priority';   break;
 436           case SQM_COL_ATTACHMENT: $aCol[SQM_COL_ATTACHMENT] = 'content-type'; break;
 437           case SQM_COL_INT_DATE:   $aCol[SQM_COL_INT_DATE]   = 'INTERNALDATE'; break;
 438           case SQM_COL_TO:         $aCol[SQM_COL_TO]         = 'to';           break;
 439           case SQM_COL_CC:         $aCol[SQM_COL_CC]         = 'cc';           break;
 440           case SQM_COL_BCC:        $aCol[SQM_COL_BCC]        = 'bcc';          break;
 441           default: break;
 442         }
 443     }
 444     $aFormattedMessages = array();
 445
 446
 447     $iSetIndx    =  $aMailbox['SETINDEX'];
 448     $aId         =  $aMailbox['UIDSET'][$iSetIndx];
 449     $aHeaders    =& $aMailbox['MSG_HEADERS']; /* use a reference to avoid a copy.
 450                                                  MSG_HEADERS can contain large amounts of data */
 451     $iOffset     =  $aMailbox['OFFSET'];
 452     $sort        =  $aMailbox['SORT'];
 453     $iPageOffset =  $aMailbox['PAGEOFFSET'];
 454     $sMailbox    =  $aMailbox['NAME'];
 455     $sSearch     =  (isset($aMailbox['SEARCH'][$aMailbox['SETINDEX']]) &&
 456                     $aMailbox['SEARCH'][$aMailbox['SETINDEX']] != 'ALL') ? $aMailbox['SEARCH'][$aMailbox['SETINDEX']] : false;
 457     $aSearch     =  ($sSearch) ? array('search.php',$aMailbox['SETINDEX']) : null;
 458     /* avoid improper usage */
 459     if ($sMailbox && isset($iAccount) && $sTargetModule) {
 460         $aInitQuery  = array("account=$iAccount",'mailbox='.urlencode($sMailbox));
 461     } else {
 462         $aInitQuery = false;
 463     }
 464
 465     if ($aMailbox['SORT'] & SQSORT_THREAD) {
 466         $aIndentArray =& $aMailbox['THREAD_INDENT'][$aMailbox['SETINDEX']];
 467         $bThread = true;
 468     } else {
 469         $bThread = false;
 470     }
 471     /*
 472      * Retrieve value for checkbox column
 473      */
 474     if (!sqgetGlobalVar('checkall',$checkall,SQ_GET)) {
 475         $checkall = false;
 476     }
 477
 478     /*
 479      * Loop through and display the info for each message.
 480      */
 481     $iEnd = ($aMailbox['SHOWALL'][$iSetIndx]) ? $aMailbox['EXISTS'] : $iOffset + $aMailbox['LIMIT'];
 482     for ($i=$iOffset,$t=0;$i<$iEnd;++$i) {
 483         if (isset($aId[$i])) {
 484
 485             $bHighLight = false;
 486             $value = $title = $link = $target = '';
 487             $aQuery = ($aInitQuery !== false) ? $aInitQuery : false;
 488             $aMsg = $aHeaders[$aId[$i]];
 489             if (isset($aSearch) && count($aSearch) > 1 && $aQuery) {
 490                 $aQuery[] = "where=". $aSearch[0];
 491                 $aQuery[] = "what=" . $aSearch[1];
 492             }
 493             $iUid      = (isset($aMsg['UID'])) ? $aMsg['UID'] : $aId[$i];
 494             if ($aQuery) {
 495                 $aQuery[] = "passed_id=$aId[$i]";
 496                 $aQuery[] = "startMessage=$iPageOffset";
 497             }
 498
 499             foreach ($aCol as $k => $v) {
 500                 $link = $target = $title = '';
 501                 $aColumns[$k] = array();
 502                 $value = (isset($aMsg[$v]))  ? $aMsg[$v]  : '';
 503                 $sUnknown = _("Unknown recipient");
 504                 switch ($k) {
 505                 case SQM_COL_FROM:
 506                     $sUnknown = _("Unknown sender");
 507                 case SQM_COL_TO:
 508                 case SQM_COL_CC:
 509                 case SQM_COL_BCC:
 510                     $sTmp = false;
 511                     if ($value) {
 512                         if ($highlight_list && !$bHighLight) {
 513                             $bHighLight = highlightMessage($aCol[$k], $value, $highlight_list,$aFormattedMessages[$iUid]);
 514                         }
 515                         $sTmp = getAddressString(parseRFC822Address($value),array('best' => true));
 516                         $sTmp = decodeHeader($sTmp);
 517                         if (isset($aColumnDesc[$k]['truncate']) && $aColumnDesc[$k]['truncate']) {
 518                             $sTrunc = truncateWithEntities($sTmp, $aColumnDesc[$k]['truncate']);
 519                             $title = ($sTrunc != $sTmp) ? htmlspecialchars($sTmp) : '';
 520                             $sTmp = $sTrunc;
 521                         }
 522                     }
 523                     $value = ($sTmp) ? $sTmp : $sUnknown;
 524                     break;
 525                 case SQM_COL_SUBJ:
 526                     // subject is mime encoded, decode it.
 527                     // value is sanitized in decoding function.
 528                     // TODO, verify if it should be done before or after the highlighting
 529                     $value=decodeHeader($value);
 530                     if ($highlight_list && !$bHighLight) {
 531                         $bHighLight = highlightMessage('SUBJECT', $value, $highlight_list, $aFormattedMessages[$iUid]);
 532                     }
 533                     $iIndent = (isset($aIndentArray[$aId[$i]])) ? $aIndentArray[$aId[$i]] : 0;
 534                     // FIXME: don't break 8bit symbols and html entities during truncation
 535                     if (isset($aColumnDesc[$k]['truncate']) && $aColumnDesc[$k]['truncate']) {
 536                         $sTmp = truncateWithEntities($value, $aColumnDesc[$k]['truncate']-$iIndent);
 537                         $title = ($sTmp != $value) ? $value : '';
 538                         $value = $sTmp;
 539                     }
 540                     /* generate the link to the message */
 541                     if ($aQuery) {
 542                         // TODO, $sTargetModule should be a query parameter so that we can use a single entrypoint
 543                         $link = $sTargetModule.'.php?' . implode('&amp;',$aQuery);
 544                     }
 545                     $value = (trim($value)) ? $value : _("(no subject)");
 546                     /* add thread indentation */
 547                     $aColumns[$k]['indent']  = $iIndent;
 548                     break;
 549                 case SQM_COL_SIZE:
 550                     $value = show_readable_size($value);
 551                     break;
 552                 case SQM_COL_DATE:
 553                 case SQM_COL_INT_DATE:
 554                     $value = htmlspecialchars(getDateString(getTimeStamp(explode(' ',trim($value)))));
 555                     break;
 556                 case SQM_COL_FLAGS:
 557                     $aFlagColumn = array('seen' => false,
 558                                          'deleted'=>false,
 559                                          'answered'=>false,
 560                                          'flagged' => false,
 561                                          'draft' => false);
 562                     foreach ($value as $sFlag => $value) {
 563                         switch ($sFlag) {
 564                           case '\\seen'    : $aFlagColumn['seen']     = true; break;
 565                           case '\\deleted' : $aFlagColumn['deleted']  = true; break;
 566                           case '\\answered': $aFlagColumn['answered'] = true; break;
 567                           case '\\flagged' : $aFlagColumn['flagged']  = true; break;
 568                           case '\\draft'   : $aFlagColumn['draft']    = true; break;
 569                           default:  break;
 570                         }
 571                     }
 572                     $value = $aFlagColumn;
 573                     break;
 574                 case SQM_COL_PRIO:
 575                     $value = ($value) ? (int) $value : 3;
 576                     break;
 577                 case SQM_COL_ATTACHMENT:
 578                     $value = (is_array($value) && $value[0] == 'multipart' && $value[1] == 'mixed') ? true : false;
 579                     break;
 580                 case SQM_COL_CHECK:
 581                     $value = $checkall;
 582                     break;
 583                 default : break;
 584                 }
 585                 if ($title)  { $aColumns[$k]['title']  = $title;  }
 586                 if ($link)   { $aColumns[$k]['link']   = $link;   }
 587                 if ($target) { $aColumns[$k]['target'] = $target; }
 588                 $aColumns[$k]['value']  = $value;
 589             }
 590             /* columns which will not be displayed but should be inspected
 591                because the highlight list contains rules with those columns */
 592             foreach ($aExtraColumns as $k) {
 593                 if ($highlight_list && !$bHighLight) {
 594                      $bHighLight = highlightMessage($k, $value, $highlight_list,$aFormattedMessages[$iUid]);
 595                 }
 596             }
 597             $aFormattedMessages[$iUid]['columns'] = $aColumns;
 598
 599         } else {
 600             break;
 601         }
 602     }
 603     return $aFormattedMessages;
 604 }
 605
 606
 607
 608 function highlightMessage($sCol, $sVal, $highlight_list, &$aFormat) {
 609     if (!is_array($highlight_list) && count($highlight_list) == 0) {
 610         return false;
 611     }
 612     $hlt_color = false;
 613     $sCol = strtoupper($sCol);
 614     //echo "$sCol $sVal<br>";
 615     foreach ($highlight_list as $highlight_list_part) {
 616         if (trim($highlight_list_part['value'])) {
 617             $high_val   = strtolower($highlight_list_part['value']);
 618             $match_type = strtoupper($highlight_list_part['match_type']);
 619             if($match_type == 'TO_CC') {
 620                 if ($sCol == 'TO' || $sCol == 'CC') {
 621                     $match_type = $sCol;
 622                 } else {
 623                     continue;
 624                 }
 625             } else {
 626                 if ($match_type != $sCol) {
 627                     continue;
 628                 }
 629             }
 630             if (strpos(strtolower($sVal),$high_val) !== false) {
 631                  $hlt_color = $highlight_list_part['color'];
 632                  break;
 633             }
 634         }
 635     }
 636     if ($hlt_color) {
 637         // Bug in highlight color???
 638         if ($hlt_color{0} != '#') {
 639             $hlt_color = '#'. $hlt_color;
 640         }
 641         $aFormat['row']['color'] = $hlt_color;
 642         return true;
 643     } else {
 644         return false;
 645     }
 646 }
 647
 648 function setUserPref($username, $pref, $value) {
 649     global $data_dir;
 650     setPref($data_dir,$username,$pref,$value);
 651 }
 652
 653 /**
 654 * Execute the sorting for a mailbox
 655 *
 656 * @param  resource $imapConnection Imap connection
 657 * @param  array    $aMailbox (reference) Mailbox retrieved with sqm_api_mailbox_select
 658 * @return int      $error (reference) Error number
 659 * @private
 660 * @author Marc Groot Koerkamp
 661 */
 662 function _get_sorted_msgs_list($imapConnection,&$aMailbox) {
 663     $iSetIndx = (isset($aMailbox['SETINDEX'])) ? $aMailbox['SETINDEX'] : 0;
 664     $bDirection = ($aMailbox['SORT'] % 2);
 665     $error = 0;
 666     if (!$aMailbox['SEARCH'][$iSetIndx]) {
 667         $aMailbox['SEARCH'][$iSetIndx] = 'ALL';
 668     }
 669     if (($aMailbox['SORT'] & SQSORT_THREAD) && sqimap_capability($imapConnection,'THREAD')) {
 670         $aRes = get_thread_sort($imapConnection,$aMailbox['SEARCH'][$iSetIndx]);
 671         if ($aRes === false) {
 672             $aMailbox['SORT'] -= SQSORT_THREAD;
 673             $error = 1; // fix me, define an error code;
 674         } else {
 675             $aMailbox['UIDSET'][$iSetIndx] = $aRes[0];
 676             $aMailbox['THREAD_INDENT'][$iSetIndx] = $aRes[1];
 677         }
 678     } else if ($aMailbox['SORT'] === SQSORT_NONE) {
 679         $id = sqimap_run_search($imapConnection, 'ALL' , '');
 680         if ($id === false) {
 681             $error = 1; // fix me, define an error code
 682         } else {
 683             $aMailbox['UIDSET'][$iSetIndx] = array_reverse($id);
 684             $aMailbox['TOTAL'][$iSetIndx] = $aMailbox['EXISTS'];
 685         }
 686     } else {
 687         if (sqimap_capability($imapConnection,'SORT')) {
 688              $sSortField = _getSortField($aMailbox['SORT'],true);
 689              $id = sqimap_get_sort_order($imapConnection, $sSortField, $bDirection, $aMailbox['SEARCH'][$iSetIndx]);
 690              if ($id === false) {
 691                  $error = 1; // fix me, define an error code
 692              } else {
 693                 $aMailbox['UIDSET'][$iSetIndx] = $id;
 694              }
 695         } else {
 696              $id = NULL;
 697              if ($aMailbox['SEARCH'][$iSetIndx] != 'ALL') {
 698                 $id = sqimap_run_search($imapConnection, $aMailbox['SEARCH'][$iSetIndx], $aMailbox['CHARSET'][$iSetIndx]);
 699              }
 700              $sSortField = _getSortField($aMailbox['SORT'],false);
 701              $aMailbox['UIDSET'][$iSetIndx] = get_squirrel_sort($imapConnection, $sSortField, $bDirection, $id);
 702         }
 703     }
 704     return $error;
 705 }
 706
 707 /**
 708 * Does the $srt $_GET var to field mapping
 709 *
 710 * @param int $srt Field to sort on
 711 * @param bool $bServerSort Server sorting is true
 712 * @return string $sSortField Field to sort on
 713 * @private
 714 */
 715 function _getSortField($sort,$bServerSort) {
 716     switch($sort) {
 717         case SQSORT_NONE:
 718             $sSortField = 'UID';
 719             break;
 720         case SQSORT_DATE_ASC:
 721         case SQSORT_DATE_DESC:
 722             $sSortField = 'DATE';
 723             break;
 724         case SQSORT_FROM_ASC:
 725         case SQSORT_FROM_DESC:
 726             $sSortField = 'FROM';
 727             break;
 728         case SQSORT_SUBJ_ASC:
 729         case SQSORT_SUBJ_DESC:
 730             $sSortField = 'SUBJECT';
 731             break;
 732         case SQSORT_SIZE_ASC:
 733         case SQSORT_SIZE_DESC:
 734             $sSortField = ($bServerSort) ? 'SIZE' : 'RFC822.SIZE';
 735             break;
 736         case SQSORT_TO_ASC:
 737         case SQSORT_TO_DESC:
 738             $sSortField = 'TO';
 739             break;
 740         case SQSORT_CC_ASC:
 741         case SQSORT_CC_DESC:
 742             $sSortField = 'CC';
 743             break;
 744         case SQSORT_INT_DATE_ASC:
 745         case SQSORT_INT_DATE_DESC:
 746             $sSortField = ($bServerSort) ? 'ARRIVAL' : 'INTERNALDATE';
 747             break;
 748         case SQSORT_THREAD:
 749             break;
 750         default: $sSortField = 'UID';
 751             break;
 752
 753     }
 754     return $sSortField;
 755 }
 756
 757
 758
 759
 760 /**
 761 * This function loops through a group of messages in the mailbox
 762 * and shows them to the user.
 763 *
 764 * @param resource $imapConnection
 765 * @param array    $aMailbox associative array with mailbox related vars
 766 * @param array    $aProps
 767 * @param int      $iError error code, 0 is no error
 768 */
 769 function showMessagesForMailbox($imapConnection, &$aMailbox,$aProps, &$iError) {
 770     global $PHP_SELF;
 771     global $boxes;
 772
 773     $highlight_list    = (isset($aProps['config']['highlight_list'])) ? $aProps['config']['highlight_list'] : false;
 774     $fancy_index_highlite = (isset($aProps['config']['fancy_index_highlite'])) ? $aProps['config']['fancy_index_highlite'] : true;
 775     $aColumnsDesc      = (isset($aProps['columns'])) ? $aProps['columns'] : false;
 776     $iAccount          = (isset($aProps['account'])) ? (int) $aProps['account'] : 0;
 777     $sMailbox          = (isset($aProps['mailbox'])) ? $aProps['mailbox'] : false;
 778     $sTargetModule     = (isset($aProps['module'])) ? $aProps['module'] : 'read_body';
 779     $show_flag_buttons = (isset($aProps['config']['show_flag_buttons'])) ? $aProps['config']['show_flag_buttons'] : true;
 780     $lastTargetMailbox = (isset($aProps['config']['lastTargetMailbox'])) ? $aProps['config']['lastTargetMailbox'] : '';
 781     $aOrder = array_keys($aProps['columns']);
 782     $trash_folder      = (isset($aProps['config']['trash_folder']) && $aProps['config']['trash_folder'])
 783                           ? $aProps['config']['trash_folder'] : false;
 784     $sent_folder       = (isset($aProps['config']['sent_folder']) && $aProps['config']['sent_folder'])
 785                           ? $aProps['config']['sent_folder'] : false;
 786     $draft_folder      = (isset($aProps['config']['draft_folder']) && $aProps['config']['draft_folder'])
 787                           ? $aProps['config']['draft_folder'] : false;
 788     $page_selector     = (isset($aProps['config']['page_selector'])) ? $aProps['config']['page_selector'] : false;
 789     $page_selector_max = (isset($aProps['config']['page_selector_max'])) ? $aProps['config']['page_selector_max'] : 10;
 790     $color             = $aProps['config']['color'];
 791
 792
 793     /*
 794      * Form ID
 795      */
 796     static $iFormId;
 797
 798     if (!isset($iFormId)) {
 799         $iFormId=1;
 800     } else {
 801         ++$iFormId;
 802     }
 803     /*
 804      * Remove the checkbox column because we cannot fetch it from the imap server
 805      */
 806     $aFetchColumns = $aColumnsDesc;
 807     if (isset($aFetchColumns[SQM_COL_CHECK])) {
 808         unset($aFetchColumns[SQM_COL_CHECK]);
 809     }
 810
 811     /*
 812      * Before we fetch the message headers, check if we need to fetch extra columns
 813      * to make the message highlighting work
 814      */
 815     if (is_array($highlight_list) && count($highlight_list)) {
 816         $aHighlightColumns = array();
 817         foreach ($highlight_list as $highlight_list_part) {
 818             if (trim($highlight_list_part['value'])) {
 819                 $match_type = strtoupper($highlight_list_part['match_type']);
 820                 $aHighlightColumns = array();
 821                 switch ($match_type) {
 822                     case 'TO_CC':
 823                         $aHighlightColumns[SQM_COL_TO] = true;
 824                         $aHighlightColumns[SQM_COL_CC] = true;
 825                         break;
 826                     case 'TO': $aHighlightColumns[SQM_COL_TO] = true; break;
 827                     case 'CC': $aHighlightColumns[SQM_COL_CC] = true; break;
 828                     case 'FROM': $aHighlightColumns[SQM_COL_FROM] = true; break;
 829                     case 'SUBJECT':$aHighlightColumns[SQM_COL_SUBJ] = true; break;
 830                 }
 831             }
 832         }
 833         $aExtraColumns = array();
 834         foreach ($aHighlightColumns as $k => $v) {
 835             if (!isset($aFetchColumns[$k])) {
 836                 $aExtraColumns[]  = $k;
 837                 $aFetchColumns[$k] = true;
 838             }
 839         }
 840         if (count($aExtraColumns)) {
 841             $aProps['extra_columns'] = $aExtraColumns;
 842         }
 843     }
 844     $aFetchColumns = array_keys($aFetchColumns);
 845     // store the columns to fetch so we can pick them up in read_body
 846     // where we validate the cache.
 847     $aMailbox['FETCHHEADERS'] = $aFetchColumns;
 848
 849     $iError = fetchMessageHeaders($imapConnection, $aMailbox);
 850     if ($iError) {
 851         return array();
 852     } else {
 853         $aMessages = prepareMessageList($aMailbox, $aProps);
 854     }
 855
 856     $iSetIndx = $aMailbox['SETINDEX'];
 857     $iLimit = ($aMailbox['SHOWALL'][$iSetIndx]) ? $aMailbox['EXISTS'] : $aMailbox['LIMIT'];
 858     $iEnd = ($aMailbox['PAGEOFFSET'] + ($iLimit - 1) < $aMailbox['EXISTS']) ?
 859              $aMailbox['PAGEOFFSET'] + $iLimit - 1 : $aMailbox['EXISTS'];
 860
 861     $iNumberOfMessages = $aMailbox['TOTAL'][$iSetIndx];
 862
 863     $php_self = $PHP_SELF;
 864
 865     $urlMailbox = urlencode($aMailbox['NAME']);
 866
 867     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 868         $source_url = $regs[1];
 869     } else {
 870         $source_url = $php_self;
 871     }
 872
 873     $baseurl = $source_url.'?mailbox=' . urlencode($aMailbox['NAME']) .'&amp;account='.$aMailbox['ACCOUNT'];
 874     $where = urlencode($aMailbox['SEARCH'][$iSetIndx][0]);
 875     $what = urlencode($aMailbox['SEARCH'][$iSetIndx][1]);
 876     $baseurl .= '&amp;where=' . $where .  '&amp;what=' .  $what;
 877
 878     /* build thread sorting links */
 879     $newsort = $aMailbox['SORT'];
 880     if (sqimap_capability($imapConnection,'THREAD')) {
 881         if ($aMailbox['SORT'] & SQSORT_THREAD) {
 882             $newsort -= SQSORT_THREAD;
 883             $thread_name = _("Unthread View");
 884         } else {
 885             $thread_name = _("Thread View");
 886             $newsort = $aMailbox['SORT'] + SQSORT_THREAD;
 887         }
 888         $thread_link_str = '<small>[<a href="' . $baseurl . '&amp;srt='
 889             . $newsort . '&amp;startMessage=1">' . $thread_name
 890             . '</a>]</small>';
 891     } else {
 892         $thread_link_str ='';
 893     }
 894     $sort = $aMailbox['SORT'];
 895
 896     /* FIX ME ADD CHECKBOX CONTROL. No checkbox => no buttons */
 897
 898
 899
 900     /* future admin control over displayable buttons */
 901
 902     $aAdminControl = array(
 903                            'markUnflagged' => 1,
 904                            'markFlagged'   => 1,
 905                            'markRead'      => 1,
 906                            'markUnread'    => 1,
 907                            'delete'        => 1,
 908                            'undeleteButton'=> 1,
 909                            'bypass_trash'  => 1,
 910                            'expungeButton' => 1,
 911                            'moveButton'    => 1,
 912                            'forward'       => 1
 913                            );
 914     /* user prefs control */
 915     $aUserControl = array (
 916                            'markUnflagged' => $show_flag_buttons,
 917                            'markFlagged'   => $show_flag_buttons,
 918                            'markRead'      => 1,
 919                            'markUnread'    => 1,
 920                            'delete'        => 1,
 921                            'undeleteButton'=> 1,
 922                            'bypass_trash'  => 1,
 923                            'expungeButton' => 1,
 924                            'moveButton'    => 1,
 925                            'forward'       => 1
 926                           );
 927
 928     $showDelete = ($aMailbox['RIGHTS'] != 'READ-ONLY' &&
 929                    in_array('\\deleted',$aMailbox['PERMANENTFLAGS'], true)) ? true : false;
 930     $showByPassTrash = (!$aMailbox['AUTO_EXPUNGE'] && $aMailbox['RIGHTS'] != 'READ-ONLY' &&
 931                    in_array('\\deleted',$aMailbox['PERMANENTFLAGS'], true)) &&
 932                    $trash_folder ? true : false; //
 933     $showUndelete = (!$aMailbox['AUTO_EXPUNGE'] && $aMailbox['RIGHTS'] != 'READ-ONLY' &&
 934                    in_array('\\deleted',$aMailbox['PERMANENTFLAGS'], true) && !$trash_folder) ? true : false;
 935     $showMove   = ($aMailbox['RIGHTS'] != 'READ-ONLY') ? true : false;
 936     $showExpunge = (!$aMailbox['AUTO_EXPUNGE'] && $aMailbox['RIGHTS'] != 'READ-ONLY' &&
 937                    in_array('\\deleted',$aMailbox['PERMANENTFLAGS'], true)) ? true : false;
 938     $aImapControl = array (
 939                            'markUnflagged' => in_array('\\flagged',$aMailbox['PERMANENTFLAGS'], true),
 940                            'markFlagged'   => in_array('\\flagged',$aMailbox['PERMANENTFLAGS'], true),
 941                            'markRead'      => in_array('\\seen',$aMailbox['PERMANENTFLAGS'], true),
 942                            'markUnread'    => in_array('\\seen',$aMailbox['PERMANENTFLAGS'], true),
 943                            'delete'        => $showDelete,
 944                            'undeleteButton'=> $showUndelete,
 945                            'bypass_trash'  => $showByPassTrash,
 946                            'expungeButton' => $showExpunge,
 947                            'moveButton'    => $showMove,
 948                            'forward'       => 1
 949                           );
 950     $aButtonStrings = array(
 951                            'markUnflagged' => _("Unflag"),
 952                            'markFlagged'   => _("Flag"),
 953                            'markRead'      => _("Read"),
 954                            'markUnread'    => _("Unread"),
 955                            'delete'    => _("Delete"),
 956                            'undeleteButton'  => _("Undelete"),
 957                            'bypass_trash'  => _("Bypass Trash"),
 958                            'expungeButton' => _("Expunge"),
 959                            'moveButton'          => _("Move"),
 960                            'forward'       => _("Forward")
 961                            );
 962     /**
 963      * Register buttons in order to an array
 964      * The key is the "name", the first element of the value array is the "value", second argument is the type.
 965      */
 966     $aFormElements = array();
 967     foreach($aAdminControl as $k => $v) {
 968         if ($v & $aUserControl[$k] & $aImapControl[$k]) {
 969             switch ($k) {
 970               case 'markUnflagged':
 971               case 'markFlagged':
 972               case 'markRead':
 973               case 'markUnread':
 974               case 'delete':
 975               case 'undeleteButton':
 976               case 'expungeButton':
 977               case 'forward':
 978                 $aFormElements[$k] = array($aButtonStrings[$k],'submit');
 979                 break;
 980               case 'bypass_trash':
 981                 $aFormElements[$k] = array($aButtonStrings[$k],'checkbox');
 982                 break;
 983               case 'moveButton':
 984                 $aFormElements['targetMailbox'] =
 985                    array(sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes),'select');
 986                 $aFormElements['mailbox']       = array($aMailbox['NAME'],'hidden');
 987                 $aFormElements['startMessage']  = array($aMailbox['PAGEOFFSET'],'hidden');
 988                 $aFormElements[$k]              = array($aButtonStrings[$k],'submit');
 989                 break;
 990             }
 991         }
 992         $aFormElements['account']  = array($iAccount,'hidden');
 993     }
 994
 995     /*
 996     * This is the beginning of the message list table.
 997     * It wraps around all messages
 998     */
 999     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $aMailbox['NAME']);
1000     $form_name = "FormMsgs" . $safe_name;
1001
1002     //if (!sqgetGlobalVar('align',$align,SQ_SESSION)) {
1003         $align = array('left' => 'left', 'right' => 'right');
1004     //}
1005     //sm_print_r($align);
1006
1007     /* finally set the template vars */
1008
1009     // FIX ME, before we support multiple templates we must review the names of the vars
1010
1011
1012
1013     $aTemplate['color']     = $color;
1014     $aTemplate['form_name'] = "FormMsgs" . $safe_name;
1015     $aTemplate['form_id']   = 'mbx_'.$iFormId;
1016     $aTemplate['page_selector'] = $page_selector;
1017     $aTemplate['page_selector_max'] = $page_selector_max;
1018     $aTemplate['messagesPerPage'] = $aMailbox['LIMIT'];
1019     $aTemplate['showall'] = $aMailbox['SHOWALL'][$iSetIndx];
1020     $aTemplate['end_msg'] = $iEnd;
1021     $aTemplate['align'] = $align;
1022     $aTemplate['iNumberOfMessages'] = $iNumberOfMessages;
1023     $aTemplate['aOrder'] = $aOrder;
1024     $aTemplate['aFormElements'] = $aFormElements;
1025     $aTemplate['sort'] = $sort;
1026     $aTemplate['pageOffset'] = $aMailbox['PAGEOFFSET'];
1027     $aTemplate['baseurl'] = $baseurl;
1028     $aTemplate['aMessages'] =& $aMessages;
1029     $aTemplate['trash_folder'] = $trash_folder;
1030     $aTemplate['sent_folder'] = $sent_folder;
1031     $aTemplate['draft_folder'] = $draft_folder;
1032     $aTemplate['thread_link_str'] = $thread_link_str;
1033     $aTemplate['php_self'] = str_replace('&','&amp;',$php_self);
1034     $aTemplate['mailbox'] = $sMailbox;
1035     $aTemplate['javascript_on'] = (isset($aProps['config']['javascript_on'])) ? $aProps['config']['javascript_on'] : false;
1036     $aTemplate['enablesort'] = (isset($aProps['config']['enablesort'])) ? $aProps['config']['enablesort'] : false;
1037     $aTemplate['icon_theme'] = (isset($aProps['config']['icon_theme'])) ? $aProps['config']['icon_theme'] : false;
1038     $aTemplate['use_icons'] = (isset($aProps['config']['use_icons'])) ? $aProps['config']['use_icons'] : false;
1039     $aTemplate['alt_index_colors'] = (isset($aProps['config']['alt_index_colors'])) ? $aProps['config']['alt_index_colors'] : false;
1040     $aTemplate['fancy_index_highlite'] = $fancy_index_highlite;
1041
1042     return $aTemplate;
1043 }
1044
1045
1046 /**
1047 * FIXME: Undocumented function
1048 */
1049 function truncateWithEntities($subject, $trim_at)
1050 {
1051     $ent_strlen = strlen($subject);
1052     if (($trim_at <= 0) || ($ent_strlen <= $trim_at))
1053         return $subject;
1054
1055     global $languages, $squirrelmail_language;
1056
1057     /*
1058     * see if this is entities-encoded string
1059     * If so, Iterate through the whole string, find out
1060     * the real number of characters, and if more
1061     * than $trim_at, substr with an updated trim value.
1062     */
1063     $trim_val = $trim_at;
1064     $ent_offset = 0;
1065     $ent_loc = 0;
1066     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1067             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1068         $trim_val += ($ent_loc_end-$ent_loc);
1069         $ent_offset  = $ent_loc_end+1;
1070     }
1071     if (($trim_val > $trim_at) && ($ent_strlen > $trim_val) && (strpos($subject,';',$trim_val) < ($trim_val + 6))) {
1072         $i = strpos($subject,';',$trim_val);
1073         if ($i) {
1074             $trim_val = strpos($subject,';',$trim_val);
1075         }
1076     }
1077     // only print '...' when we're actually dropping part of the subject
1078     if ($ent_strlen <= $trim_val)
1079         return $subject;
1080
1081     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1082         function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_strimwidth')) {
1083         return call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_strimwidth', $subject, $trim_val);
1084     }
1085
1086     return substr_replace($subject, '...', $trim_val);
1087 }
1088
1089 /**
1090 * This should go in imap_mailbox.php
1091 * @param string $mailbox
1092 */
1093 function handleAsSent($mailbox) {
1094     global $handleAsSent_result;
1095
1096     /* First check if this is the sent or draft folder. */
1097     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1098
1099     /* Then check the result of the handleAsSent hook. */
1100     do_hook('check_handleAsSent_result', $mailbox);
1101
1102     /* And return the result. */
1103     return $handleAsSent_result;
1104 }
1105
1106 /**
1107  * Process messages list form and handle the cache gracefully. If $sButton and
1108  * $aUid are provided as argument then you can fake a message list submit and
1109  * use it i.e. in read_body.php for del move next and update the cache
1110  *
1111  * @param  resource $imapConnection imap connection
1112  * @param  array $aMailbox (reference) cached mailbox
1113  * @param  string $sButton fake a submit button
1114  * @param  array  $aUid    fake the $msg array
1115  * @return string $sError error string in case of an error
1116  * @author Marc Groot Koerkamp
1117  */
1118 function handleMessageListForm($imapConnection,&$aMailbox,$sButton='',$aUid = array()) {
1119     /* incoming formdata */
1120     $sButton = (sqgetGlobalVar('moveButton',      $sTmp, SQ_POST)) ? 'move'         : $sButton;
1121     $sButton = (sqgetGlobalVar('expungeButton',   $sTmp, SQ_POST)) ? 'expunge'      : $sButton;
1122     $sButton = (sqgetGlobalVar('forward',         $sTmp, SQ_POST)) ? 'forward'      : $sButton;
1123     $sButton = (sqgetGlobalVar('delete',          $sTmp, SQ_POST)) ? 'setDeleted'   : $sButton;
1124     $sButton = (sqgetGlobalVar('undeleteButton',  $sTmp, SQ_POST)) ? 'unsetDeleted'   : $sButton;
1125     $sButton = (sqgetGlobalVar('markRead',        $sTmp, SQ_POST)) ? 'setSeen'      : $sButton;
1126     $sButton = (sqgetGlobalVar('markUnread',      $sTmp, SQ_POST)) ? 'unsetSeen'    : $sButton;
1127     $sButton = (sqgetGlobalVar('markFlagged',     $sTmp, SQ_POST)) ? 'setFlagged'   : $sButton;
1128     $sButton = (sqgetGlobalVar('markUnflagged',   $sTmp, SQ_POST)) ? 'unsetFlagged' : $sButton;
1129     sqgetGlobalVar('targetMailbox', $targetMailbox,   SQ_POST);
1130     sqgetGlobalVar('bypass_trash',  $bypass_trash,    SQ_POST);
1131     sqgetGlobalVar('msg',           $msg,             SQ_POST);
1132     if (sqgetGlobalVar('account',       $iAccount,        SQ_POST) === false) {
1133         $iAccount = 0;
1134     }
1135     $sError = '';
1136     $mailbox = $aMailbox['NAME'];
1137
1138     /* retrieve the check boxes */
1139     $aUid = (isset($msg) && is_array($msg)) ? array_values($msg) : $aUid;
1140     if (count($aUid) && $sButton != 'expunge') {
1141         $aUpdatedMsgs = false;
1142         $bExpunge = false;
1143         switch ($sButton) {
1144           case 'setDeleted':
1145             // check if id exists in case we come from read_body
1146             if (count($aUid) == 1 && is_array($aMailbox['UIDSET'][$aMailbox['SETINDEX']]) &&
1147                 !in_array($aUid[0],$aMailbox['UIDSET'][$aMailbox['SETINDEX']])) {
1148                 break;
1149             }
1150             $aUpdatedMsgs = sqimap_msgs_list_delete($imapConnection, $mailbox, $aUid,$bypass_trash);
1151             $bExpunge = true;
1152             //}
1153             break;
1154           case 'unsetDeleted':
1155           case 'setSeen':
1156           case 'unsetSeen':
1157           case 'setFlagged':
1158           case 'unsetFlagged':
1159             // get flag
1160             $sFlag = (substr($sButton,0,3) == 'set') ? '\\'.substr($sButton,3) : '\\'.substr($sButton,5);
1161             $bSet  = (substr($sButton,0,3) == 'set') ? true : false;
1162             $aUpdatedMsgs = sqimap_toggle_flag($imapConnection, $aUid, $sFlag, $bSet, true);
1163             break;
1164           case 'move':
1165             $aUpdatedMsgs = sqimap_msgs_list_move($imapConnection,$aUid,$targetMailbox);
1166             sqsession_register($targetMailbox,'lastTargetMailbox');
1167             $bExpunge = true;
1168             break;
1169           case 'forward':
1170             $aMsgHeaders = array();
1171             foreach ($aUid as $iUid) {
1172                 $aMsgHeaders[$iUid] = $aMailbox['MSG_HEADERS'][$iUid];
1173             }
1174             if (count($aMsgHeaders)) {
1175                 $composesession = attachSelectedMessages($imapConnection,$aMsgHeaders);
1176                 // dirty hack, add info to $aMailbox
1177                 $aMailbox['FORWARD_SESSION'] = $composesession;
1178             }
1179             break;
1180           default:
1181              // Hook for plugin buttons
1182              do_hook_function('mailbox_display_button_action', $aUid);
1183              break;
1184         }
1185         /**
1186          * Updates messages is an array containing the result of the untagged
1187          * fetch responses send by the imap server due to a flag change. That
1188          * response is parsed in a array with msg arrays by the parseFetch function
1189          */
1190         if ($aUpdatedMsgs) {
1191             // Update the message headers cache
1192             $aDeleted = array();
1193             foreach ($aUpdatedMsgs as $iUid => $aMsg) {
1194                 if (isset($aMsg['FLAGS'])) {
1195                     /**
1196                      * Only update the cached headers if the header is
1197                      * cached.
1198                      */
1199                     if (isset($aMailbox['MSG_HEADERS'][$iUid])) {
1200                         $aMailbox['MSG_HEADERS'][$iUid]['FLAGS'] = $aMsg['FLAGS'];
1201                     }
1202                     /**
1203                      * Count the messages with the \Delete flag set so we can determine
1204                      * if the number of expunged messages equals the number of flagged
1205                      * messages for deletion.
1206                      */
1207                     if (isset($aMsg['FLAGS']['\\deleted']) && $aMsg['FLAGS']['\\deleted']) {
1208                         $aDeleted[] = $iUid;
1209                     }
1210                 }
1211             }
1212             if ($bExpunge && $aMailbox['AUTO_EXPUNGE'] &&
1213                 $iExpungedMessages = sqimap_mailbox_expunge($imapConnection, $aMailbox['NAME'], true))
1214                 {
1215                 if (count($aDeleted) != $iExpungedMessages) {
1216                     // there are more messages deleted permanently then we expected
1217                     // invalidate the cache
1218                     $aMailbox['UIDSET'][$aMailbox['SETINDEX']] = false;
1219                     $aMailbox['MSG_HEADERS'] = false;
1220                 } else {
1221                     // remove expunged messages from cache
1222                     $aUidSet = $aMailbox['UIDSET'][$aMailbox['SETINDEX']];
1223                     if (is_array($aUidSet)) {
1224                         // create a UID => array index temp array
1225                         $aUidSetDummy = array_flip($aUidSet);
1226                         foreach ($aDeleted as $iUid) {
1227                             // get the id as well in case of SQM_SORT_NONE
1228                             if ($aMailbox['SORT'] == SQSORT_NONE) {
1229                                 $aMailbox['ID'] = false;
1230                                 //$iId = $aMailbox['MSG_HEADERS'][$iUid]['ID'];
1231                                 //unset($aMailbox['ID'][$iId]);
1232                             }
1233                             // unset the UID and message header
1234                             unset($aUidSetDummy[$iUid]);
1235                             unset($aMailbox['MSG_HEADERS'][$iUid]);
1236                         }
1237                         $aMailbox['UIDSET'][$aMailbox['SETINDEX']] = array_keys($aUidSetDummy);
1238                     }
1239                 }
1240                 // update EXISTS info
1241                 if ($iExpungedMessages) {
1242                     $aMailbox['EXISTS'] -= (int) $iExpungedMessages;
1243                     $aMailbox['TOTAL'][$aMailbox['SETINDEX']] -= (int) $iExpungedMessages;
1244                 }
1245                 if (($aMailbox['PAGEOFFSET']-1) >= $aMailbox['EXISTS']) {
1246                     $aMailbox['PAGEOFFSET'] = ($aMailbox['PAGEOFFSET'] > $aMailbox['LIMIT']) ?
1247                         $aMailbox['PAGEOFFSET'] - $aMailbox['LIMIT'] : 1;
1248                      $aMailbox['OFFSET'] = $aMailbox['PAGEOFFSET'] - 1 ;
1249                 }
1250             }
1251         }
1252     } else {
1253         if ($sButton == 'expunge') {
1254             /**
1255              * on expunge we do not know which messages will be deleted
1256              * so it's useless to try to sync the cache
1257
1258              * Close the mailbox so we do not need to parse the untagged expunge
1259              * responses which do not contain uid info.
1260              * NB: Closing a mailbox is faster then expunge because the imap
1261              * server does not need to generate the untagged expunge responses
1262              */
1263             sqimap_run_command($imapConnection,'CLOSE',false,$result,$message);
1264             $aMailbox = sqm_api_mailbox_select($imapConnection,$iAccount, $aMailbox['NAME'],array(),array());
1265         } else {
1266             if ($sButton) {
1267                 $sError = _("No messages were selected.");
1268             }
1269         }
1270     }
1271     return $sError;
1272 }
1273
1274 function attachSelectedMessages($imapConnection,$aMsgHeaders) {
1275     global $username, $attachment_dir,
1276            $data_dir;
1277
1278
1279     sqgetGlobalVar('composesession', $composesession, SQ_SESSION);
1280     sqgetGlobalVar('compose_messages', $compose_messages, SQ_SESSION);
1281     if (!isset($compose_messages)|| is_null($compose_messages)) {
1282         $compose_messages = array();
1283         sqsession_register($compose_messages,'compose_messages');
1284     }
1285
1286     if (!$composesession) {
1287         $composesession = 1;
1288         sqsession_register($composesession,'composesession');
1289     } else {
1290         $composesession++;
1291         sqsession_register($composesession,'composesession');
1292     }
1293
1294     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1295
1296     $composeMessage = new Message();
1297     $rfc822_header = new Rfc822Header();
1298     $composeMessage->rfc822_header = $rfc822_header;
1299     $composeMessage->reply_rfc822_header = '';
1300
1301     foreach($aMsgHeaders as $iUid => $aMsgHeader) {
1302         /**
1303          * Retrieve the full message
1304          */
1305         $body_a = sqimap_run_command($imapConnection, "FETCH $iUid RFC822", true, $response, $readmessage, TRUE);
1306         if ($response == 'OK') {
1307
1308             $subject = (isset($aMsgHeader['subject'])) ? $aMsgHeader['subject'] : $iUid;
1309
1310             array_shift($body_a);
1311             array_pop($body_a);
1312             $body = implode('', $body_a);
1313             $body .= "\r\n";
1314
1315             $localfilename = GenerateRandomString(32, 'FILE', 7);
1316             $full_localfilename = "$hashed_attachment_dir/$localfilename";
1317
1318             $fp = fopen( $full_localfilename, 'wb');
1319             fwrite ($fp, $body);
1320             fclose($fp);
1321             $composeMessage->initAttachment('message/rfc822',$subject.'.msg',
1322                  $full_localfilename);
1323         }
1324     }
1325
1326     $compose_messages[$composesession] = $composeMessage;
1327     sqsession_register($compose_messages,'compose_messages');
1328     return $composesession;
1329 }
1330
1331 ?>