src/left_main.php

   1 <?php
   2
   3 /**
   4  * left_main.php
   5  *
   6  * Copyright (c) 1999-2003 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This is the code for the left bar. The left bar shows the folders
  10  * available, and has cookie information.
  11  *
  12  * $Id$
  13  */
  14
  15 /* Path for SquirrelMail required files. */
  16 define('SM_PATH','../');
  17
  18 /* SquirrelMail required files. */
  19 require_once(SM_PATH . 'include/validate.php');
  20 require_once(SM_PATH . 'functions/imap.php');
  21 require_once(SM_PATH . 'functions/plugin.php');
  22 require_once(SM_PATH . 'functions/page_header.php');
  23 require_once(SM_PATH . 'functions/html.php');
  24 require_once(SM_PATH . 'functions/date.php');
  25
  26 /* These constants are used for folder stuff. */
  27 define('SM_BOX_UNCOLLAPSED', 0);
  28 define('SM_BOX_COLLAPSED',   1);
  29
  30 /* --------------------- FUNCTIONS ------------------------- */
  31
  32 function formatMailboxName($imapConnection, $box_array) {
  33
  34     global $folder_prefix, $trash_folder, $sent_folder,
  35            $color, $move_to_sent, $move_to_trash,
  36            $unseen_notify, $unseen_type, $collapse_folders,
  37            $draft_folder, $save_as_draft,
  38            $use_special_folder_color;
  39     $real_box = $box_array['unformatted'];
  40     $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
  41     $mailboxURL = urlencode($real_box);
  42
  43     /* Strip down the mailbox name. */
  44     if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
  45         $mailbox = $regs[2];
  46     }
  47     $unseen = 0;
  48     $status = array('','');
  49     if (($unseen_notify == 2 && $real_box == 'INBOX') ||
  50         $unseen_notify == 3) {
  51     $tmp_status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
  52     if ($status !== false) {
  53         $status = $tmp_status;
  54     }
  55     }
  56     list($unseen_string, $unseen) = $status;
  57     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  58
  59     /* Start off with a blank line. */
  60     $line = '';
  61
  62     /* If there are unseen message, bold the line. */
  63     if ($unseen > 0) { $line .= '<B>'; }
  64
  65     /* Create the link for this folder. */
  66     if ($status !== false) {
  67     $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  68                 $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  69     }
  70     if ($special_color) {
  71         $line .= "<font color=\"$color[11]\">";
  72     }
  73     if ( $mailbox == 'INBOX' ) {
  74         $line .= _("INBOX");
  75     } else {
  76         $line .= str_replace(' ','&nbsp;',$mailbox);
  77     }
  78     if ($special_color == TRUE)
  79         $line .= '</font>';
  80     if ($status !== false) {
  81     $line .= '</a>';
  82     }
  83
  84     /* If there are unseen message, close bolding. */
  85     if ($unseen > 0) { $line .= "</B>"; }
  86
  87     /* Print unseen information. */
  88     if ($unseen_string != '') {
  89         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  90     }
  91
  92     /* If it's the trash folder, show a purge link when needed */
  93     if (($move_to_trash) && ($real_box == $trash_folder)) {
  94         if (! isset($numMessages)) {
  95             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  96         }
  97
  98         if (($numMessages > 0) or ($box_array['parent'] == 1)) {
  99             $urlMailbox = urlencode($real_box);
 100             $line .= "\n<small>\n" .
 101                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 102                     "</small>";
 103         } else {
 104            $line .= concat_hook_function('left_main_after_each_folder',
 105                   array(isset($numMessages) ? $numMessages : '',$real_box,$imapConnection));
 106         }
 107     }
 108
 109     /* Return the final product. */
 110     return ($line);
 111 }
 112
 113 /**
 114  * Recursive function that computes the collapsed status and parent
 115  * (or not parent) status of this box, and the visiblity and collapsed
 116  * status and parent (or not parent) status for all children boxes.
 117  */
 118 function compute_folder_children(&$parbox, $boxcount) {
 119     global $boxes, $data_dir, $username, $collapse_folders;
 120     $nextbox = $parbox + 1;
 121
 122     /* Retreive the name for the parent box. */
 123     $parbox_name = $boxes[$parbox]['unformatted'];
 124
 125     /* 'Initialize' this parent box to childless. */
 126     $boxes[$parbox]['parent'] = FALSE;
 127
 128     /* Compute the collapse status for this box. */
 129     if( isset($collapse_folders) && $collapse_folders ) {
 130         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
 131         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 132     } else {
 133         $collapse = SM_BOX_UNCOLLAPSED;
 134     }
 135     $boxes[$parbox]['collapse'] = $collapse;
 136
 137     /* Otherwise, get the name of the next box. */
 138     if (isset($boxes[$nextbox]['unformatted'])) {
 139         $nextbox_name = $boxes[$nextbox]['unformatted'];
 140     } else {
 141         $nextbox_name = '';
 142     }
 143
 144     /* Compute any children boxes for this box. */
 145     while (($nextbox < $boxcount) &&
 146            (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
 147
 148         /* Note that this 'parent' box has at least one child. */
 149         $boxes[$parbox]['parent'] = TRUE;
 150
 151         /* Compute the visiblity of this box. */
 152         $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
 153                                        ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
 154
 155         /* Compute the visibility of any child boxes. */
 156         compute_folder_children($nextbox, $boxcount);
 157     }
 158
 159     /* Set the parent box to the current next box. */
 160     $parbox = $nextbox;
 161 }
 162
 163 /**
 164  * Create the link for a parent folder that will allow that
 165  * parent folder to either be collapsed or expaned, as is
 166  * currently appropriate.
 167  */
 168 function create_collapse_link($boxnum) {
 169     global $boxes, $imapConnection, $unseen_notify, $color;
 170     $mailbox = urlencode($boxes[$boxnum]['unformatted']);
 171
 172     /* Create the link for this collapse link. */
 173     $link = '<a target="left" style="text-decoration:none" ' .
 174             'href="left_main.php?';
 175     if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
 176         $link .= "unfold=$mailbox\">+";
 177     } else {
 178         $link .= "fold=$mailbox\">-";
 179     }
 180     $link .= '</a>';
 181
 182     $hooklink = do_hook_function('create_collapse_link',$link);
 183     if ($hooklink != '')
 184         $link = $hooklink;
 185
 186     /* Return the finished product. */
 187     return ($link);
 188 }
 189
 190 /**
 191  * create_unseen_string:
 192  *
 193  * Create unseen and total message count for both this folder and
 194  * it's subfolders.
 195  *
 196  * @param string $boxName name of the current mailbox
 197  * @param array $boxArray array for the current mailbox
 198  * @param $imapConnection current imap connection in use
 199  * @return array[0] unseen message string (for display)
 200  * @return array[1] unseen message count
 201  */
 202 function create_unseen_string($boxName, $boxArray, $imapConnection, $unseen_type) {
 203     global $boxes, $unseen_type, $color, $unseen_cum;
 204
 205     /* Initialize the return value. */
 206     $result = array(0,0);
 207
 208     /* Initialize the counts for this folder. */
 209     $boxUnseenCount = 0;
 210     $boxMessageCount = 0;
 211     $totalUnseenCount = 0;
 212     $totalMessageCount = 0;
 213
 214     /* Collect the counts for this box alone. */
 215     $status = sqimap_status_messages($imapConnection, $boxName);
 216     $boxUnseenCount = $status['UNSEEN'];
 217     if ($boxUnseenCount === false) {
 218     return false;
 219     }
 220     if ($unseen_type == 2) {
 221         $boxMessageCount = $status['MESSAGES'];
 222     }
 223
 224     /* Initialize the total counts. */
 225
 226     if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
 227         /* Collect the counts for this boxes subfolders. */
 228         $curBoxLength = strlen($boxName);
 229         $boxCount = count($boxes);
 230
 231         for ($i = 0; $i < $boxCount; ++$i) {
 232             /* Initialize the counts for this subfolder. */
 233             $subUnseenCount = 0;
 234             $subMessageCount = 0;
 235
 236             /* Collect the counts for this subfolder. */
 237             if (($boxName != $boxes[$i]['unformatted'])
 238                    && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
 239                    && !in_array('noselect', $boxes[$i]['flags'])) {
 240         $status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
 241         $subUnseenCount = $status['UNSEEN'];
 242                 if ($unseen_type == 2) {
 243                     $subMessageCount = $status['MESSAGES'];;
 244                 }
 245                 /* Add the counts for this subfolder to the total. */
 246                 $totalUnseenCount += $subUnseenCount;
 247                 $totalMessageCount += $subMessageCount;
 248             }
 249         }
 250
 251         /* Add the counts for all subfolders to that of the box. */
 252         $boxUnseenCount += $totalUnseenCount;
 253         $boxMessageCount += $totalMessageCount;
 254     }
 255
 256     /* And create the magic unseen count string.     */
 257     /* Really a lot more then just the unseen count. */
 258     if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
 259         $result[0] = "($boxUnseenCount)";
 260     } else if ($unseen_type == 2) {
 261         $result[0] = "($boxUnseenCount/$boxMessageCount)";
 262         $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
 263     }
 264
 265     /* Set the unseen count to return to the outside world. */
 266     $result[1] = $boxUnseenCount;
 267
 268     /* Return our happy result. */
 269     return ($result);
 270 }
 271
 272 /**
 273  * This simple function checks if a box is another box's parent.
 274  */
 275 function is_parent_box($curbox_name, $parbox_name) {
 276     global $delimiter;
 277
 278     /* Extract the name of the parent of the current box. */
 279     $curparts = explode($delimiter, $curbox_name);
 280     $curname = array_pop($curparts);
 281     $actual_parname = implode($delimiter, $curparts);
 282     $actual_parname = substr($actual_parname,0,strlen($parbox_name));
 283
 284     /* Compare the actual with the given parent name. */
 285     return ($parbox_name == $actual_parname);
 286 }
 287
 288 function ListBoxes ($boxes, $j=0 ) {
 289     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 290     $move_to_trash, $trash_folder, $collapse_folders, $imapConnection;
 291     $pre = '<nobr>';
 292     $end = '';
 293     $collapse = false;
 294     $unseen_type = 1;
 295     $unseen_notify = 0;
 296     $unseen = 0;
 297
 298     /* Get unseen/total display prefs */
 299     $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
 300     $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
 301
 302     if (isset($boxes) && !empty($boxes)) {
 303         $mailbox = $boxes->mailboxname_full;
 304         $leader = '<tt>';
 305         $leader .= str_repeat('&nbsp;&nbsp;',$j);
 306         $mailboxURL = urlencode($mailbox);
 307
 308         /* get unseen/total messages information */
 309         /* Only need to display info when option is set */
 310         if (isset($unseen_notify) && ($unseen_notify > 1)) {
 311
 312             if ($boxes->unseen !== false) {
 313                 $unseen = $boxes->unseen;
 314             } else {
 315                 $unseen = 0;
 316             }
 317
 318             /*
 319                 Should only display unseen info if the folder is inbox
 320                 or you set the option for all folders
 321             */
 322
 323             if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 324                 $unseen_string = $unseen;
 325
 326
 327                 /* If users requests, display message count too */
 328                 if (isset($unseen_type) && ($unseen_type == 2)) {
 329                     $numMessages = $boxes->total;
 330                     $unseen_string .= '/' . $numMessages;
 331                 }
 332
 333                 $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 334
 335                 /*
 336                     Finally allow the script to display the values by setting a boolean.
 337                     This can only occur if the unseen count is great than 0 (if you have
 338                     unseen count only), or you have the message count too.
 339                 */
 340                 if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 341                     $unseen_found = true;
 342                 }
 343
 344             }
 345
 346         }
 347
 348         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 349             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 350             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 351
 352             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 353             if ($collapse) {
 354                 $link .= "unfold=$mailboxURL\">$leader+&nbsp;</tt>";
 355             } else {
 356                 $link .= "fold=$mailboxURL\">$leader-&nbsp;</tt>";
 357             }
 358             $link .= '</a>';
 359             $pre .= $link;
 360         } else {
 361             $pre.= $leader . '&nbsp;&nbsp;</tt>';
 362         }
 363
 364         /* If there are unseen message, bold the line. */
 365         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 366             if (! isset($boxes->total)) {
 367                 $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
 368             }
 369             if ($unseen > 0) {
 370                 $pre .= '<b>';
 371             }
 372             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 373             if ($unseen > 0) {
 374                 $end .= '</b>';
 375             }
 376             $end .= '</a>';
 377             if ($boxes->total > 0) {
 378                 if ($unseen > 0) {
 379                     $pre .= '<b>';
 380                 }
 381                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 382                 if ($unseen > 0) {
 383                     $end .= '</b>';
 384                 }
 385                 /* Print unseen information. */
 386                 if (isset($unseen_found) && $unseen_found) {
 387                     $end .= "&nbsp;<small>$unseen_string</small>";
 388                 }
 389                 $end .= "\n<small>\n" .
 390                         "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 391                         "</small>";
 392             }
 393         } else {
 394             if (!$boxes->is_noselect) {
 395                 if ($unseen > 0) {
 396                     $pre .= '<b>';
 397                 }
 398                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 399                 if ($unseen > 0) {
 400                     $end .= '</b>';
 401                 }
 402                 $end .= '</a>';
 403             }
 404             /* Print unseen information. */
 405             if (isset($unseen_found) && $unseen_found) {
 406                 $end .= "&nbsp;<small>$unseen_string</small>";
 407             }
 408
 409         }
 410
 411         $font = '';
 412         $fontend = '';
 413         if ($boxes->is_special) {
 414             $font = "<font color=\"$color[11]\">";
 415             $fontend = "</font>";
 416         }
 417         $end .= '</nobr>';
 418
 419         if (!$boxes->is_root) {
 420             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
 421             $j++;
 422         }
 423
 424         if (!$collapse || $boxes->is_root) {
 425             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 426                 listBoxes($boxes->mbxs[$i],$j);
 427             }
 428         }
 429     }
 430 }
 431
 432 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 433     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 434     $move_to_trash, $trash_folder, $collapse_folders;
 435
 436     if (!$boxes)
 437         return;
 438
 439     /* use_folder_images only works if the images exist in ../images */
 440     $use_folder_images = true;
 441
 442     $pre = '';
 443     $end = '';
 444     $collapse = false;
 445     $unseen_found = false;
 446     $unseen = 0;
 447
 448     $mailbox = $boxes->mailboxname_full;
 449     $mailboxURL = urlencode($mailbox);
 450
 451     /* Only need to display info when option is set */
 452     if (isset($unseen_notify) && ($unseen_notify > 1) && (($boxes->unseen !== false) || ($boxes->total !== false))) {
 453
 454         if ($boxes->unseen !== false)
 455             $unseen = $boxes->unseen;
 456
 457         /*
 458             Should only display unseen info if the folder is inbox
 459             or you set the option for all folders
 460         */
 461
 462         if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 463             $unseen_string = $unseen;
 464
 465             /* If users requests, display message count too */
 466             if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false))
 467                 $unseen_string .= '/' . $boxes->total;
 468
 469             $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 470
 471             /*
 472                 Finally allow the script to display the values by setting a boolean.
 473                 This can only occur if the unseen count is great than 0 (if you have
 474                 unseen count only), or you have the message count too.
 475             */
 476             if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 477                 $unseen_found = true;
 478             }
 479
 480         }
 481
 482     }
 483
 484     /* If there are unseen message, bold the line. */
 485     if ($unseen > 0) { $pre .= '<b>'; }
 486
 487     /* color special boxes */
 488     if ($boxes->is_special) {
 489         $pre .= "<font color=\"$color[11]\">";
 490         $end .= '</font>';
 491     }
 492
 493     /* If there are unseen message, close bolding. */
 494     if ($unseen > 0) { $end .= '</b>'; }
 495
 496     /* Print unseen information. */
 497     if (isset($unseen_found) && $unseen_found) {
 498             $end .= "&nbsp;$unseen_string";
 499     }
 500
 501     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 502         if (! isset($numMessages)) {
 503             $numMessages = $boxes->total;
 504         }
 505         $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 506         $end .= '</a>';
 507         if ($numMessages > 0) {
 508             $urlMailbox = urlencode($mailbox);
 509             $end .= "\n<small>\n" .
 510                     "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 511                     "</small>";
 512         }
 513     } else {
 514         if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 515             $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 516             $end .= '</a>';
 517         }
 518     }
 519
 520     if (!$boxes->is_root) {
 521         if ($use_folder_images) {
 522           if ($boxes->is_inbox) {
 523         $folder_img = '../images/inbox.png';
 524           } else if ($boxes->is_sent) {
 525         $folder_img = '../images/senti.png';
 526           } else if ($boxes->is_trash) {
 527         $folder_img = '../images/delitem.png';
 528           } else if ($boxes->is_draft) {
 529         $folder_img = '../images/draft.png';
 530           } else if ($boxes->is_noinferiors) {
 531         $folder_img = '../images/folder_noinf.png';
 532           } else $folder_img = '../images/folder.png';
 533           $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 534         } else $folder_img = '';
 535         if (!isset($boxes->mbxs[0])) {
 536             echo '   ' . html_tag( 'div',
 537                             '<tt>'. $pre . $folder_img . '</tt>'. $boxes->mailboxname_sub . $end,
 538                             'left', '', 'class="mbx_sub" id="' .$j. '"' ) . "\n";
 539         }
 540         else {
 541             /* get collapse information */
 542             if ($collapse_folders) {
 543                 $form_entry = $j.'F';
 544                 if (isset($mbx) && isset($mbx[$form_entry])) {
 545                     $collapse = $mbx[$form_entry];
 546                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , $collapse ? SM_BOX_COLLAPSED : SM_BOX_UNCOLLAPSED);
 547                 }
 548                 else {
 549                     $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 550                     $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 551                 }
 552                 $img_src = ($collapse ? '../images/plus.png' : '../images/minus.png');
 553                 $collapse_link = '<a href="javascript:void(0)">'." <img src=\"$img_src\" border=\"1\" id=$j onclick=\"hidechilds(this)\" style=\"cursor:hand\" /></a>";
 554              }
 555              else
 556                  $collapse_link='';
 557              echo '   ' . html_tag( 'div',
 558                             $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 559                             'left', '', 'class="mbx_par" id="' .$j. 'P"' ) . "\n";
 560              echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 561         }
 562     }
 563
 564     $visible = ($collapse ? ' style="display:none"' : ' style="display:block"');
 565     if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 566         echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 567
 568     if ($j !='ID.0000')
 569        $j = $j .'.0000';
 570     for ($i = 0; $i <count($boxes->mbxs); $i++) {
 571         $j++;
 572         ListAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 573     }
 574     if (isset($boxes->mbxs[0]) && !$boxes->is_root)
 575         echo '</div>'."\n\n";
 576 }
 577
 578
 579
 580
 581 /* -------------------- MAIN ------------------------ */
 582
 583 /* get globals */
 584 sqgetGlobalVar('username', $username, SQ_SESSION);
 585 sqgetGlobalVar('key', $key, SQ_COOKIE);
 586 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 587 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
 588
 589 sqgetGlobalVar('fold', $fold, SQ_GET);
 590 sqgetGlobalVar('unfold', $unfold, SQ_GET);
 591
 592 /* end globals */
 593
 594 // open a connection on the imap port (143)
 595 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 596
 597 /**
 598  * Using stristr since older preferences may contain "None" and "none".
 599  */
 600 if (isset($left_refresh) && ($left_refresh != '') &&
 601     !stristr($left_refresh, 'none')){
 602     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 603              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 604              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 605 } else {
 606     $xtra = '';
 607 }
 608
 609 /**
 610  * $advanced_tree and $oldway are boolean vars which are default set to default
 611  * SM behaviour.
 612  * Setting $oldway to false causes left_main.php to use the new experimental
 613  * way of getting the mailbox-tree.
 614  * Setting $advanced tree to true causes SM to display a experimental
 615  * mailbox-tree with dhtml behaviour.
 616  * It only works on browsers which supports css and javascript. The used
 617  * javascript is experimental and doesn't support all browsers.
 618  * It has been tested on IE6 an Konquerer 3.0.0-2.
 619  * It is now tested and working on: (please test and update this list)
 620  * Windows: IE 5.5 SP2, IE 6 SP1, Gecko based (Mozilla, Firebird) and Opera7
 621  * XWindow: ?
 622  * Mac: ?
 623  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 624  * setting this to true is only usefull if the images exists in ../images.
 625  *
 626  * Feel free to experiment with the code and report bugs and enhancements
 627  * to marc@its-projects.nl
 628  **/
 629
 630 $advanced_tree = false;  /* set this to true if you want to see a nicer mailboxtree */
 631 $oldway = false;        /* default SM behaviour */
 632
 633 if ($advanced_tree) {
 634 $xtra .= <<<ECHO
 635 <script language="Javascript" TYPE="text/javascript">
 636
 637 <!--
 638
 639     function preload() {
 640       if (document.images) {
 641         var treeImages = new Array;
 642         var arguments = preload.arguments;
 643         for (var i = 0; i<arguments.length; i++) {
 644           treeImages[i] = new Image();
 645           treeImages[i].src = arguments[i];
 646         }
 647       }
 648     }
 649
 650 var vTreeImg;
 651 var vTreeDiv;
 652 var vTreeSrc;
 653
 654     function fTreeTimeout() {
 655       if (vTreeDiv.readyState == "complete")
 656         vTreeImg.src = vTreeSrc;
 657       else
 658         setTimeout("fTreeTimeout()", 100);
 659     }
 660
 661     function hidechilds(img) {
 662       id = img.id + ".0000";
 663       form_id = "mbx[" + img.id +"F]";
 664       if (document.all) {       //IE, Opera7
 665         div = document.all[id];
 666         if (div) {
 667            if (div.style.display == "none") {
 668               vTreeSrc = "../images/minus.png";
 669               style = "block";
 670               value = 0;
 671            }
 672            else {
 673               vTreeSrc = "../images/plus.png";
 674               style = "none";
 675               value = 1;
 676            }
 677            vTreeImg = img;
 678            vTreeDiv = div;
 679            if (typeof vTreeDiv.readyState != "undefined")       //IE
 680               setTimeout("fTreeTimeout()",100);
 681            else //Non IE
 682               vTreeImg.src = vTreeSrc;
 683            div.style.display = style;
 684            document.all[form_id].value = value;
 685         }
 686       }
 687       else if (document.getElementById) {       //Gecko
 688         div = document.getElementById(id);
 689         if (div) {
 690            if (div.style.display == "none") {
 691               src = "../images/minus.png";
 692               style = "block";
 693               value = 0;
 694            }
 695            else {
 696               src = "../images/plus.png";
 697               style = "none";
 698               value = 1;
 699            }
 700            div.style.display = style;
 701            img.src = src;
 702            document.getElementById(form_id).value = value;
 703         }
 704       }
 705     }
 706
 707    function buttonover(el,on) {
 708       if (!on) {
 709 //         el.style.borderColor="$color[9]";}
 710          el.style.background="$color[0]";}
 711       else {
 712          el.style.background="$color[9]";}
 713    }
 714
 715    function buttonclick(el,on) {
 716       if (!on) {
 717          el.style.border="groove";}
 718       else {
 719          el.style.border="ridge";}
 720    }
 721
 722    function hideframe(hide) {
 723
 724 ECHO;
 725 $xtra .= "      left_size = \"$left_size\";\n";
 726 $xtra .= <<<ECHO
 727       if (document.all) {
 728         masterf = window.parent.document.all["fs1"];
 729     leftf = window.parent.document.all["left"];
 730     leftcontent = document.all["leftframe"];
 731     leftbutton = document.all["showf"];
 732       } else if (document.getElementById) {
 733     masterf = window.parent.document.getElementById("fs1");
 734     leftf = window.parent.document.getElementById("left");
 735     leftcontent = document.getElementById("leftframe");
 736     leftbutton = document.getElementById("showf");
 737       } else {
 738         return false;
 739       }
 740       if(hide) {
 741          new_col = calc_col("20");
 742          masterf.cols = new_col;
 743      document.body.scrollLeft=0;
 744      document.body.style.overflow='hidden';
 745      leftcontent.style.display = 'none';
 746      leftbutton.style.display='block';
 747       } else {
 748          masterf.cols = calc_col(left_size);
 749      document.body.style.overflow='';
 750      leftbutton.style.display='none';
 751      leftcontent.style.display='block';
 752
 753       }
 754    }
 755
 756    function calc_col(c_w) {
 757
 758 ECHO;
 759    if ($location_of_bar == 'right') {
 760        $xtra .= '     right=true;';
 761    } else {
 762        $xtra .= '     right=false;';
 763    }
 764    $xtra .= "\n";
 765 $xtra .= <<<ECHO
 766      if (right) {
 767          new_col = '*,'+c_w;
 768      } else {
 769          new_col = c_w+',*';
 770      }
 771      return new_col;
 772    }
 773
 774    function resizeframe(direction) {
 775      if (document.all) {
 776         masterf = window.parent.document.all["fs1"];
 777      } else if (document.getElementById) {
 778     window.parent.document.getElementById("fs1");
 779      } else {
 780         return false;
 781      }
 782
 783 ECHO;
 784    if ($location_of_bar == 'right') {
 785        $xtra .= '  colPat=/^\*,(\d+)$/;';
 786    } else {
 787        $xtra .= '  colPat=/^(\d+),.*$/;';
 788    }
 789    $xtra .= "\n";
 790
 791 $xtra .= <<<ECHO
 792      old_col = masterf.cols;
 793      colPat.exec(old_col);
 794
 795      if (direction) {
 796         new_col_width = parseInt(RegExp.$1) + 25;
 797
 798      } else {
 799         if (parseInt(RegExp.$1) > 35) {
 800            new_col_width = parseInt(RegExp.$1) - 25;
 801         }
 802      }
 803      masterf.cols = calc_col(new_col_width);
 804    }
 805
 806 //-->
 807
 808 </script>
 809
 810 ECHO;
 811
 812 /* style definitions */
 813
 814 $xtra .= <<<ECHO
 815
 816 <style type="text/css">
 817 <!--
 818   body {
 819      margin: 0px 0px 0px 0px;
 820      padding: 5px 5px 5px 5px;
 821   }
 822
 823   .button {
 824      border:outset;
 825      border-color: $color[9];
 826      background:$color[0];
 827      color:$color[6];
 828      width:99%;
 829      heigth:99%;
 830   }
 831
 832   .mbx_par {
 833      font-size:1.0em;
 834      margin-left:4px;
 835      margin-right:0px;
 836   }
 837
 838   a.mbx_link {
 839       text-decoration: none;
 840       background-color: $color[0];
 841       display: inline;
 842   }
 843
 844   a:hover.mbx_link {
 845       background-color: $color[9];
 846   }
 847
 848   a.mbx_link img {
 849       border-style: none;
 850   }
 851
 852   .mbx_sub {
 853      padding-left:5px;
 854      padding-right:0px;
 855      margin-left:4px;
 856      margin-right:0px;
 857      font-size:0.9em;
 858   }
 859
 860   .par_area {
 861      margin-top:0px;
 862      margin-left:4px;
 863      margin-right:0px;
 864      padding-left:10px;
 865      padding-bottom:5px;
 866      border-left: solid;
 867      border-left-width:0.1em;
 868      border-left-color:$color[9];
 869      border-bottom: solid;
 870      border-bottom-width:0.1em;
 871      border-bottom-color:$color[9];
 872      display: block;
 873   }
 874
 875   .mailboxes {
 876      padding-bottom:3px;
 877      margin-right:4px;
 878      padding-right:4px;
 879      margin-left:4px;
 880      padding-left:4px;
 881      border: groove;
 882      border-width:0.1em;
 883      border-color:$color[9];
 884      background: $color[0];
 885   }
 886
 887 -->
 888
 889 </style>
 890
 891 ECHO;
 892
 893 }
 894
 895
 896
 897
 898 displayHtmlHeader( 'SquirrelMail', $xtra );
 899
 900 /* If requested and not yet complete, attempt to autocreate folders. */
 901 if ($auto_create_special && !isset($auto_create_done)) {
 902     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 903     foreach( $autocreate as $folder ) {
 904         if (($folder != '') && ($folder != 'none')) {
 905             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 906                 sqimap_mailbox_create($imapConnection, $folder, '');
 907             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 908                 sqimap_subscribe($imapConnection, $folder);
 909             }
 910         }
 911     }
 912
 913     /* Let the world know that autocreation is complete! Hurrah! */
 914     $auto_create_done = TRUE;
 915     sqsession_register($auto_create_done, 'auto_create_done');
 916 }
 917
 918 if ($advanced_tree)
 919   echo "\n<body" .
 920         ' onload="preload(\'../images/minus.png\',\'../images/plus.png\')"' .
 921   " bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 922 else
 923   echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 924
 925 do_hook('left_main_before');
 926 if ($advanced_tree) {
 927    /* nice future feature, needs layout !! volunteers?   */
 928    $right_pos = $left_size - 20;
 929 /*   echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 930    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 931    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 932    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 933    echo '<div ID="leftframe"><br /><br />';*/
 934 }
 935
 936 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 937     html_tag( 'tr' ) .
 938     html_tag( 'td', '', 'left' ) .
 939     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 940
 941 if ($date_format != 6) {
 942     /* First, display the clock. */
 943     if ($hour_format == 1) {
 944         $hr = 'G:i';
 945         if ($date_format == 4) {
 946             $hr .= ':s';
 947         }
 948     } else {
 949         if ($date_format == 4) {
 950             $hr = 'g:i:s a';
 951         } else {
 952             $hr = 'g:i a';
 953         }
 954     }
 955
 956     switch( $date_format ) {
 957     case 1:
 958         $clk = date('m/d/y '.$hr, time());
 959         break;
 960     case 2:
 961         $clk = date('d/m/y '.$hr, time());
 962         break;
 963     case 4:
 964     case 5:
 965         $clk = date($hr, time());
 966         break;
 967     default:
 968         $clk = getDayAbrv( date( 'w', time() ) ) . date( ', ' . $hr, time() );
 969     }
 970     $clk = str_replace(' ','&nbsp;',$clk);
 971
 972     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 973          ": $clk</small></center>";
 974 }
 975
 976 /* Next, display the refresh button. */
 977 echo '<small>(<a href="../src/left_main.php" target="left">'.
 978      _("refresh folder list") . '</a>)</small></center><br />';
 979
 980 /* Lastly, display the folder list. */
 981 if ( $collapse_folders ) {
 982     /* If directed, collapse or uncollapse a folder. */
 983     if (isset($fold)) {
 984         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 985     } else if (isset($unfold)) {
 986         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 987     }
 988 }
 989
 990 if ($oldway) {  /* normal behaviour SM */
 991
 992 $boxes = sqimap_mailbox_list($imapConnection);
 993 /* Prepare do do out collapsedness and visibility computation. */
 994 $curbox = 0;
 995 $boxcount = count($boxes);
 996
 997 /* Compute the collapsedness and visibility of each box. */
 998
 999 while ($curbox < $boxcount) {
1000     $boxes[$curbox]['visible'] = TRUE;
1001     compute_folder_children($curbox, $boxcount);
1002 }
1003
1004 for ($i = 0; $i < count($boxes); $i++) {
1005     if ( $boxes[$i]['visible'] ) {
1006         $mailbox = $boxes[$i]['formatted'];
1007         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
1008
1009         /* Create the prefix for the folder name and link. */
1010         $prefix = str_repeat('  ',$mblevel);
1011         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
1012             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
1013                       create_collapse_link($i) . '&nbsp;';
1014         } else {
1015             $prefix = str_replace(' ','&nbsp;',$prefix);
1016         }
1017         $line = "<nobr><tt>$prefix</tt>";
1018
1019         /* Add the folder name and link. */
1020         if (! isset($color[15])) {
1021             $color[15] = $color[6];
1022         }
1023
1024         if (in_array('noselect', $boxes[$i]['flags'])) {
1025             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
1026                 $line .= "<font color=\"$color[11]\">";
1027             } else {
1028                 $line .= "<font color=\"$color[15]\">";
1029             }
1030             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
1031                 $mailbox = str_replace('&nbsp;','',$mailbox);
1032                 $line .= str_replace(' ', '&nbsp;', $mailbox);
1033             }
1034             $line .= '</font>';
1035         } else {
1036             $line .= formatMailboxName($imapConnection, $boxes[$i]);
1037         }
1038
1039         /* Put the final touches on our folder line. */
1040         $line .= "</nobr><br>\n";
1041
1042         /* Output the line for this folder. */
1043         echo $line;
1044     }
1045 }
1046 } else {  /* expiremental code */
1047     $boxes = sqimap_mailbox_tree($imapConnection);
1048     if (isset($advanced_tree) && $advanced_tree) {
1049         echo '<form name="collapse" action="left_main.php" method="post" ' .
1050              'enctype="multipart/form-data"'."\n";
1051         echo '<small>';
1052         echo '<button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br /><br />';
1053         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
1054         sqgetGlobalVar('mbx', $mbx, SQ_POST);
1055         if (!isset($mbx)) $mbx=NULL;
1056         ListAdvancedBoxes($boxes, $mbx);
1057         echo '</div>';
1058         echo '</small>';
1059         echo '</form>'."\n";
1060     } else {
1061         //sqimap_get_status_mbx_tree($imap_stream,$boxes)
1062         ListBoxes($boxes);
1063     }
1064 } /* if ($oldway) else ... */
1065 do_hook('left_main_after');
1066 sqimap_logout($imapConnection);
1067
1068 echo '</td></tr></table>' . "\n".
1069     "</div></body></html>\n";
1070
1071 ?>