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<?php
/**
* left_main.php
*
* This is the code for the left bar. The left bar shows the folders
* available, and has cookie information.
*
* @copyright 1999-2010 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: left_main.php 13946 2010-06-21 00:43:54Z pdontthink $
* @package squirrelmail
*/
/** This is the left_main page */
define('PAGE_NAME', 'left_main');
/**
* Path for SquirrelMail required files.
* @ignore
*/
define('SM_PATH','../');
/* SquirrelMail required files. */
require_once(SM_PATH . 'include/validate.php');
require_once(SM_PATH . 'functions/imap.php');
require_once(SM_PATH . 'functions/plugin.php');
require_once(SM_PATH . 'functions/page_header.php');
require_once(SM_PATH . 'functions/html.php');
/* These constants are used for folder stuff. */
define('SM_BOX_UNCOLLAPSED', 0);
define('SM_BOX_COLLAPSED', 1);
/* --------------------- FUNCTIONS ------------------------- */
function formatMailboxName($imapConnection, $box_array) {
global $folder_prefix, $trash_folder, $sent_folder,
$color, $move_to_sent, $move_to_trash,
$unseen_notify, $unseen_type, $collapse_folders,
$draft_folder, $save_as_draft,
$use_special_folder_color;
$real_box = $box_array['unformatted'];
$mailbox = str_replace(' ','',$box_array['formatted']);
$mailboxURL = urlencode($real_box);
/* Strip down the mailbox name. */
if (preg_match('/^( *)([^ ]*)$/', $mailbox, $regs)) {
$mailbox = $regs[2];
}
$unseen = 0;
$status = array('','');
if (($unseen_notify == 2 && $real_box == 'INBOX') ||
$unseen_notify == 3) {
$tmp_status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
if ($status !== false) {
$status = $tmp_status;
}
}
list($unseen_string, $unseen) = $status;
$special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
/* Start off with a blank line. */
$line = '';
/* If there are unseen message, bold the line. */
if ($unseen > 0) { $line .= '<b>'; }
/* Create the link for this folder. */
if ($status !== false) {
$line .= '<a href="right_main.php?PG_SHOWALL=0&sort=0&startMessage=1&mailbox='.
$mailboxURL.'" target="right" style="text-decoration:none">';
}
if ($special_color) {
$line .= "<font color=\"$color[11]\">";
}
if ( $mailbox == 'INBOX' ) {
$line .= _("INBOX");
} else {
$line .= str_replace(array(' ','<','>'),array(' ','<','>'),$mailbox);
}
if ($special_color == TRUE)
$line .= '</font>';
if ($status !== false) {
$line .= '</a>';
}
/* If there are unseen message, close bolding. */
if ($unseen > 0) { $line .= "</b>"; }
/* Print unseen information. */
if ($unseen_string != '') {
$line .= " <small>$unseen_string</small>";
}
/* If it's the trash folder, show a purge link when needed */
if (($move_to_trash) && ($real_box == $trash_folder)) {
if (! isset($numMessages)) {
$numMessages = sqimap_get_num_messages($imapConnection, $real_box);
}
if (($numMessages > 0) or ($box_array['parent'] == 1)) {
$urlMailbox = urlencode($real_box);
$line .= "\n<small>\n" .
' (<a href="empty_trash.php?smtoken=' . sm_generate_security_token() . '" style="text-decoration:none">'._("Purge").'</a>)' .
'</small>';
}
}
$line .= concat_hook_function('left_main_after_each_folder',
array(isset($numMessages) ? $numMessages : '',
$real_box, $imapConnection));
/* Return the final product. */
return ($line);
}
/**
* Recursive function that computes the collapsed status and parent
* (or not parent) status of this box, and the visiblity and collapsed
* status and parent (or not parent) status for all children boxes.
*/
function compute_folder_children(&$parbox, $boxcount) {
global $boxes, $data_dir, $username, $collapse_folders;
$nextbox = $parbox + 1;
/* Retreive the name for the parent box. */
$parbox_name = $boxes[$parbox]['unformatted'];
/* 'Initialize' this parent box to childless. */
$boxes[$parbox]['parent'] = FALSE;
/* Compute the collapse status for this box. */
if( isset($collapse_folders) && $collapse_folders ) {
$collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
$collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
} else {
$collapse = SM_BOX_UNCOLLAPSED;
}
$boxes[$parbox]['collapse'] = $collapse;
/* Otherwise, get the name of the next box. */
if (isset($boxes[$nextbox]['unformatted'])) {
$nextbox_name = $boxes[$nextbox]['unformatted'];
} else {
$nextbox_name = '';
}
/* Compute any children boxes for this box. */
while (($nextbox < $boxcount) &&
(is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
/* Note that this 'parent' box has at least one child. */
$boxes[$parbox]['parent'] = TRUE;
/* Compute the visiblity of this box. */
$boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
/* Compute the visibility of any child boxes. */
compute_folder_children($nextbox, $boxcount);
}
/* Set the parent box to the current next box. */
$parbox = $nextbox;
}
/**
* Create the link for a parent folder that will allow that
* parent folder to either be collapsed or expaned, as is
* currently appropriate.
*/
function create_collapse_link($boxnum) {
global $boxes, $imapConnection, $unseen_notify, $color;
$mailbox = urlencode($boxes[$boxnum]['unformatted']);
/* Create the link for this collapse link. */
$link = '<a target="left" style="text-decoration:none" ' .
'href="left_main.php?';
if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
$link .= "unfold=$mailbox\">+";
} else {
$link .= "fold=$mailbox\">-";
}
$link .= '</a>';
/* Return the finished product. */
return ($link);
}
/**
* create_unseen_string:
*
* Create unseen and total message count for both this folder and
* it's subfolders.
*
* @param string $boxName name of the current mailbox
* @param array $boxArray array for the current mailbox
* @param $imapConnection current imap connection in use
* @return array[0] unseen message string (for display)
* @return array[1] unseen message count
*/
function create_unseen_string($boxName, $boxArray, $imapConnection, $unseen_type) {
global $boxes, $unseen_type, $color, $unseen_cum;
/* Initialize the return value. */
$result = array(0,0);
/* Initialize the counts for this folder. */
$boxUnseenCount = 0;
$boxMessageCount = 0;
$totalUnseenCount = 0;
$totalMessageCount = 0;
/* Collect the counts for this box alone. */
$status = sqimap_status_messages($imapConnection, $boxName);
$boxUnseenCount = $status['UNSEEN'];
if ($boxUnseenCount === false) {
return false;
}
if ($unseen_type == 2) {
$boxMessageCount = $status['MESSAGES'];
}
/* Initialize the total counts. */
if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
/* Collect the counts for this boxes subfolders. */
$curBoxLength = strlen($boxName);
$boxCount = count($boxes);
for ($i = 0; $i < $boxCount; ++$i) {
/* Initialize the counts for this subfolder. */
$subUnseenCount = 0;
$subMessageCount = 0;
/* Collect the counts for this subfolder. */
if (($boxName != $boxes[$i]['unformatted'])
&& (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
&& !in_array('noselect', $boxes[$i]['flags'])) {
$status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
$subUnseenCount = $status['UNSEEN'];
if ($unseen_type == 2) {
$subMessageCount = $status['MESSAGES'];;
}
/* Add the counts for this subfolder to the total. */
$totalUnseenCount += $subUnseenCount;
$totalMessageCount += $subMessageCount;
}
}
/* Add the counts for all subfolders to that of the box. */
$boxUnseenCount += $totalUnseenCount;
$boxMessageCount += $totalMessageCount;
}
/* And create the magic unseen count string. */
/* Really a lot more then just the unseen count. */
if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
$result[0] = "($boxUnseenCount)";
} else if ($unseen_type == 2) {
$result[0] = "($boxUnseenCount/$boxMessageCount)";
$result[0] = "<font color=\"$color[11]\">$result[0]</font>";
}
/* Set the unseen count to return to the outside world. */
$result[1] = $boxUnseenCount;
/* Return our happy result. */
return ($result);
}
/**
* This simple function checks if a box is another box's parent.
*/
function is_parent_box($curbox_name, $parbox_name) {
global $delimiter;
/* Extract the name of the parent of the current box. */
$curparts = explode($delimiter, $curbox_name);
$curname = array_pop($curparts);
$actual_parname = implode($delimiter, $curparts);
$actual_parname = substr($actual_parname,0,strlen($parbox_name));
/* Compare the actual with the given parent name. */
return ($parbox_name == $actual_parname);
}
/* -------------------- MAIN ------------------------ */
/* get globals */
sqgetGlobalVar('username', $username, SQ_SESSION);
sqgetGlobalVar('key', $key, SQ_COOKIE);
sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
sqgetGlobalVar('fold', $fold, SQ_GET);
sqgetGlobalVar('unfold', $unfold, SQ_GET);
sqgetGlobalVar('auto_create_done',$auto_create_done,SQ_SESSION);
/* end globals */
// Disable browser caching //
header('Cache-Control: no-cache, no-store, must-revalidate');
header('Pragma: no-cache');
header('Expires: Sat, 1 Jan 2000 00:00:00 GMT');
// open a connection on the imap port (143)
$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
/**
* Using stristr since older preferences may contain "None" and "none".
*/
if (isset($left_refresh) && ($left_refresh != '') &&
!stristr($left_refresh, 'none')){
$xtra = "\n<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\">\n";
} else {
$xtra = '';
}
displayHtmlHeader( $org_title, $xtra );
/* If requested and not yet complete, attempt to autocreate folders. */
if ($auto_create_special && !$auto_create_done) {
$autocreate = array($sent_folder, $trash_folder, $draft_folder);
foreach( $autocreate as $folder ) {
if (($folder != '') && ($folder != 'none')) {
if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
sqimap_mailbox_create($imapConnection, $folder, '');
} else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
sqimap_subscribe($imapConnection, $folder);
}
}
}
/* Let the world know that autocreation is complete! Hurrah! */
$auto_create_done = TRUE;
sqsession_register($auto_create_done, 'auto_create_done');
/* retrieve the mailboxlist. We do this at a later stage again but if
the right_frame loads faster then the second call retrieves a cached
version of the mailboxlist without the newly created folders.
The second parameter forces a non cached mailboxlist return.
*/
$boxes = sqimap_mailbox_list($imapConnection,true);
}
echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
do_hook('left_main_before');
echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
html_tag( 'tr' ) .
html_tag( 'td', '', 'left' ) .
html_tag( 'table', '', '', '', 'border="0" cellspacing="0" cellpadding="0"' ) .
html_tag( 'tr' ) .
html_tag( 'td', '', 'center' ) .
'<font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
if ($date_format != 6) {
/* First, display the clock. */
if ($hour_format == 1) {
$hr = 'H:i';
if ($date_format == 4) {
$hr .= ':s';
}
} else {
if ($date_format == 4) {
$hr = 'g:i:s a';
} else {
$hr = 'g:i a';
}
}
switch( $date_format ) {
case 0:
$clk = date('Y-m-d '.$hr. ' T', time());
break;
case 1:
$clk = date('m/d/y '.$hr, time());
break;
case 2:
$clk = date('d/m/y '.$hr, time());
break;
case 4:
case 5:
$clk = date($hr, time());
break;
default:
$clk = getDayAbrv( date( 'w', time() ) ) . date( ', ' . $hr, time() );
}
$clk = str_replace(' ',' ',$clk);
echo '<small><span style="white-space: nowrap;">'
. str_replace(' ', ' ', _("Last Refresh"))
. ":</span><br /><span style=\"white-space: nowrap;\">$clk</span></small><br />";
}
/* Next, display the refresh button. */
echo '<small style="white-space: nowrap;">(<a href="../src/left_main.php" target="left">'.
_("Check mail") . '</a>)</small></td></tr></table><br />';
/* Lastly, display the folder list. */
if ( $collapse_folders ) {
/* If directed, collapse or uncollapse a folder. */
if (isset($fold)) {
setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
} else if (isset($unfold)) {
setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
}
}
sqgetGlobalVar('force_refresh',$force_refresh,SQ_GET);
if (!isset($boxes)) { // auto_create_done
$boxes = sqimap_mailbox_list($imapConnection,$force_refresh);
}
/* Prepare do do out collapsedness and visibility computation. */
$curbox = 0;
$boxcount = count($boxes);
/* Compute the collapsedness and visibility of each box. */
while ($curbox < $boxcount) {
$boxes[$curbox]['visible'] = TRUE;
compute_folder_children($curbox, $boxcount);
}
for ($i = 0; $i < count($boxes); $i++) {
if ( $boxes[$i]['visible'] ) {
$mailbox = $boxes[$i]['formatted'];
// remove folder_prefix using substr so folders aren't indented unnecessarily
$mblevel = substr_count(substr($boxes[$i]['unformatted'], strlen($folder_prefix)), $delimiter) + 1;
/* Create the prefix for the folder name and link. */
$prefix = str_repeat(' ',$mblevel);
if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
$prefix = str_replace(' ',' ',substr($prefix,0,strlen($prefix)-2)).
create_collapse_link($i) . ' ';
} else {
$prefix = str_replace(' ',' ',$prefix);
}
$line = "<span style=\"white-space: nowrap;\"><tt>$prefix</tt>";
/* Add the folder name and link. */
if (! isset($color[15])) {
$color[15] = $color[6];
}
if (in_array('noselect', $boxes[$i]['flags'])) {
if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
$line .= "<font color=\"$color[11]\">";
} else {
$line .= "<font color=\"$color[15]\">";
}
if (preg_match('/^( *)([^ ]*)/', $mailbox, $regs)) {
$mailbox = str_replace(' ','',$mailbox);
$line .= str_replace(' ', ' ', $mailbox);
}
$line .= '</font>';
} else {
$line .= formatMailboxName($imapConnection, $boxes[$i]);
}
/* Put the final touches on our folder line. */
$line .= "</span><br />\n";
/* Output the line for this folder. */
echo $line;
}
}
do_hook('left_main_after');
sqimap_logout($imapConnection);
?>
</td></tr></table>
</body></html>
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