<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Provide webmail functionality and GUI objects |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
require_once('lib/html2text.inc');
require_once('lib/enriched.inc');
require_once('lib/utf8.inc');
require_once('lib/utf7.inc');
$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
// set imap properties and session vars
if (strlen($_GET['_mbox']))
{
$IMAP->set_mailbox($_GET['_mbox']);
$_SESSION['mbox'] = $_GET['_mbox'];
}
if (strlen($_GET['_page']))
{
$IMAP->set_page($_GET['_page']);
$_SESSION['page'] = $_GET['_page'];
}
// set default sort col/order to session
if (!isset($_SESSION['sort_col']))
$_SESSION['sort_col'] = $CONFIG['message_sort_col'];
if (!isset($_SESSION['sort_order']))
$_SESSION['sort_order'] = $CONFIG['message_sort_order'];
// define url for getting message parts
if (strlen($_GET['_uid']))
$GET_URL = sprintf('%s&_action=get&_mbox=%s&_uid=%d', $COMM_PATH, $IMAP->get_mailbox_name(), $_GET['_uid']);
// set current mailbox in client environment
$OUTPUT->add_script(sprintf("%s.set_env('mailbox', '%s');", $JS_OBJECT_NAME, $IMAP->get_mailbox_name()));
if ($CONFIG['trash_mbox'])
$OUTPUT->add_script(sprintf("%s.set_env('trash_mailbox', '%s');", $JS_OBJECT_NAME, $CONFIG['trash_mbox']));
// return the mailboxlist in HTML
function rcmail_mailbox_list($attrib)
{
global $IMAP, $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $COMM_PATH;
static $s_added_script = FALSE;
static $a_mailboxes;
$type = $attrib['type'] ? $attrib['type'] : 'ul';
$add_attrib = $type=='select' ? array('style', 'class', 'id', 'name', 'onchange') :
array('style', 'class', 'id');
if ($type=='ul' && !$attrib['id'])
$attrib['id'] = 'rcmboxlist';
// allow the following attributes to be added to the <ul> tag
$attrib_str = create_attrib_string($attrib, $add_attrib);
$out = '<' . $type . $attrib_str . ">\n";
// add no-selection option
if ($type=='select' && $attrib['noselection'])
$out .= sprintf('<option value="0">%s</option>'."\n",
rcube_label($attrib['noselection']));
// get mailbox list
$mbox = $IMAP->get_mailbox_name();
// for these mailboxes we have localized labels
$special_mailboxes = array('inbox', 'sent', 'drafts', 'trash', 'junk');
// build the folders tree
if (empty($a_mailboxes))
{
// get mailbox list
$a_folders = $IMAP->list_mailboxes();
$delimiter = $IMAP->get_hierarchy_delimiter();
$a_mailboxes = array();
foreach ($a_folders as $folder)
rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
}
// var_dump($a_mailboxes);
if ($type=='select')
$out .= rcmail_render_folder_tree_select($a_mailboxes, $special_mailboxes, $mbox, $attrib['maxlength']);
else
$out .= rcmail_render_folder_tree_html($a_mailboxes, $special_mailboxes, $mbox, $attrib['maxlength']);
if ($type=='ul')
$OUTPUT->add_script(sprintf("%s.gui_object('mailboxlist', '%s');", $JS_OBJECT_NAME, $attrib['id']));
return $out . "</$type>";
}
// create a hierarchical array of the mailbox list
function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
{
$pos = strpos($folder, $delm);
if ($pos !== false)
{
$subFolders = substr($folder, $pos+1);
$currentFolder = substr($folder, 0, $pos);
}
else
{
$subFolders = false;
$currentFolder = $folder;
}
$path .= $currentFolder;
if (!isset($arrFolders[$currentFolder]))
{
$arrFolders[$currentFolder] = array('id' => $path,
'name' => $currentFolder,
'folders' => array());
}
if (!empty($subFolders))
rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
}
// return html for a structured list <ul> for the mailbox tree
function rcmail_render_folder_tree_html(&$arrFolders, &$special, &$mbox, $maxlength, $nestLevel=0)
{
global $JS_OBJECT_NAME, $IMAP, $CONFIG;
$idx = 0;
$out = '';
foreach ($arrFolders as $key => $folder)
{
$zebra_class = ($nestLevel*$idx)%2 ? 'even' : 'odd';
$folder_lc = strtolower($folder['id']);
if (in_array($folder_lc, $special))
$foldername = rcube_label($folder_lc);
else
{
$foldername = UTF7DecodeString($folder['name']);
// shorten the folder name to a given length
if ($maxlength && $maxlength>1)
$foldername = abbrevate_string($foldername, $maxlength);
}
// add unread message count display
if ($unread_count = $IMAP->messagecount($folder['id'], 'UNSEEN', ($folder['id']==$mbox)))
$foldername .= sprintf(' (%d)', $unread_count);
// make folder name safe for ids and class names
$folder_css = $class_name = preg_replace('/[^a-z0-9\-_]/', '', $folder_lc);
// set special class for Sent, Drafts, Trash and Junk
if ($folder['id']==$CONFIG['sent_mbox'])
$class_name = 'sent';
else if ($folder['id']==$CONFIG['drafts_mbox'])
$class_name = 'drafts';
else if ($folder['id']==$CONFIG['trash_mbox'])
$class_name = 'trash';
else if ($folder['id']==$CONFIG['junk_mbox'])
$class_name = 'junk';
$out .= sprintf('<li id="rcmbx%s" class="mailbox %s %s%s%s"><a href="./#%s" onclick="return %s.command(\'list\',\'%s\')" onmouseup="return %s.mbox_mouse_up(\'%s\')">%s</a>',
$folder_css,
$class_name,
$zebra_class,
$unread_count ? ' unread' : '',
$folder['id']==$mbox ? ' selected' : '',
$folder['id'],
$JS_OBJECT_NAME,
$folder['id'],
$JS_OBJECT_NAME,
$folder['id'],
rep_specialchars_output($foldername, 'html', 'all'));
if (!empty($folder['folders']))
$out .= "\n<ul>\n" . rcmail_render_folder_tree_html($folder['folders'], $special, $mbox, $maxlength, $nestLevel+1) . "</ul>\n";
$out .= "</li>\n";
$idx++;
}
return $out;
}
// return html for a flat list <select> for the mailbox tree
function rcmail_render_folder_tree_select(&$arrFolders, &$special, &$mbox, $maxlength, $nestLevel=0)
{
global $IMAP;
$idx = 0;
$out = '';
foreach ($arrFolders as $key=>$folder)
{
$folder_lc = strtolower($folder['id']);
if (in_array($folder_lc, $special))
$foldername = rcube_label($folder_lc);
else
{
$foldername = UTF7DecodeString($folder['name']);
// shorten the folder name to a given length
if ($maxlength && $maxlength>1)
$foldername = abbrevate_string($foldername, $maxlength);
}
$out .= sprintf('<option value="%s">%s%s</option>'."\n",
$folder['id'],
str_repeat(' ', $nestLevel*4),
rep_specialchars_output($foldername, 'html', 'all'));
if (!empty($folder['folders']))
$out .= rcmail_render_folder_tree_select($folder['folders'], $special, $mbox, $maxlength, $nestLevel+1);
$idx++;
}
return $out;
}
// return the message list as HTML table
function rcmail_message_list($attrib)
{
global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT, $JS_OBJECT_NAME;
$skin_path = $CONFIG['skin_path'];
$image_tag = '<img src="%s%s" alt="%s" border="0" />';
// check to see if we have some settings for sorting
$sort_col = $_SESSION['sort_col'];
$sort_order = $_SESSION['sort_order'];
// get message headers
$a_headers = $IMAP->list_headers('', '', $sort_col, $sort_order);
// add id to message list table if not specified
if (!strlen($attrib['id']))
$attrib['id'] = 'rcubemessagelist';
// allow the following attributes to be added to the <table> tag
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
$out = '<table' . $attrib_str . ">\n";
// define list of cols to be displayed
$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
$a_sort_cols = array('subject', 'date', 'from', 'to');
// show 'to' instead of from in sent messages
if (strtolower($IMAP->get_mailbox_name())=='sent' && ($f = array_search('from', $a_show_cols)))
$a_show_cols[$f] = 'to';
// add col definition
$out .= '<colgroup>';
$out .= '<col class="icon">';
foreach ($a_show_cols as $col)
$out .= sprintf('<col class="%s">', $col);
$out .= '<col class="icon">';
$out .= "</colgroup>\n";
// add table title
$out .= "<thead><tr>\n<td class=\"icon\"> </td>\n";
$javascript = '';
foreach ($a_show_cols as $col)
{
// get column name
$col_name = rep_specialchars_output(rcube_label($col));
// make sort links
$sort = '';
if ($IMAP->get_capability('sort') && in_array($col, $a_sort_cols))
{
// have buttons configured
if (!empty($attrib['sortdescbutton']) || !empty($attrib['sortascbutton']))
{
$sort = ' ';
// asc link
if (!empty($attrib['sortascbutton']))
{
$sort .= rcube_button(array('command' => 'sort',
'prop' => $col.'_ASC',
'image' => $attrib['sortascbutton'],
'align' => 'absmiddle',
'title' => 'sortasc'));
}
// desc link
if (!empty($attrib['sortdescbutton']))
{
$sort .= rcube_button(array('command' => 'sort',
'prop' => $col.'_DESC',
'image' => $attrib['sortdescbutton'],
'align' => 'absmiddle',
'title' => 'sortdesc'));
}
}
// just add a link tag to the header
else
{
$col_name = sprintf('<a href="./#sort" onclick="return %s.command(\'sort\',\'%s\',this)" title="%s">%s</a>',
$JS_OBJECT_NAME,
$col,
rcube_label('sortby'),
$col_name);
}
}
$sort_class = $col==$sort_col ? " sorted$sort_order" : '';
// put it all together
$out .= '<td class="'.$col.$sort_class.'" id="rcmHead'.$col.'">' . "$col_name$sort</td>\n";
}
$out .= '<td class="icon">'.($attrib['attachmenticon'] ? sprintf($image_tag, $skin_path, $attrib['attachmenticon'], '') : '')."</td>\n";
$out .= "</tr></thead>\n<tbody>\n";
// no messages in this mailbox
if (!sizeof($a_headers))
{
$out .= rep_specialchars_output(
sprintf('<tr><td colspan="%d">%s</td></tr>',
sizeof($a_show_cols)+2,
rcube_label('nomessagesfound')));
}
$a_js_message_arr = array();
// create row for each message
foreach ($a_headers as $i => $header) //while (list($i, $header) = each($a_headers))
{
$message_icon = $attach_icon = '';
$js_row_arr = array();
$zebra_class = $i%2 ? 'even' : 'odd';
// set messag attributes to javascript array
if (!$header->seen)
$js_row_arr['unread'] = true;
if ($header->answered)
$js_row_arr['replied'] = true;
// set message icon
if ($attrib['unreadicon'] && !$header->seen)
$message_icon = $attrib['unreadicon'];
else if ($attrib['repliedicon'] && $header->answered)
$message_icon = $attrib['repliedicon'];
else if ($attrib['messageicon'])
$message_icon = $attrib['messageicon'];
// set attachment icon
if ($attrib['attachmenticon'] && preg_match("/multipart\/m/i", $header->ctype))
$attach_icon = $attrib['attachmenticon'];
$out .= sprintf('<tr id="rcmrow%d" class="message'.($header->seen ? '' : ' unread').' '.$zebra_class.'">'."\n", $header->uid);
$out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
// format each col
foreach ($a_show_cols as $col)
{
if ($col=='from' || $col=='to')
$cont = rep_specialchars_output(rcmail_address_string($header->$col, 3, $attrib['addicon']));
else if ($col=='subject')
$cont = rep_specialchars_output($IMAP->decode_header($header->$col), 'html', 'all');
else if ($col=='size')
$cont = show_bytes($header->$col);
else if ($col=='date')
$cont = format_date($header->date); //date('m.d.Y G:i:s', strtotime($header->date));
else
$cont = rep_specialchars_output($header->$col, 'html', 'all');
$out .= '<td class="'.$col.'">' . $cont . "</td>\n";
}
$out .= sprintf("<td class=\"icon\">%s</td>\n", $attach_icon ? sprintf($image_tag, $skin_path, $attach_icon, '') : '');
$out .= "</tr>\n";
if (sizeof($js_row_arr))
$a_js_message_arr[$header->uid] = $js_row_arr;
}
// complete message table
$out .= "</tbody></table>\n";
$message_count = $IMAP->messagecount();
// set client env
$javascript .= sprintf("%s.gui_object('messagelist', '%s');\n", $JS_OBJECT_NAME, $attrib['id']);
$javascript .= sprintf("%s.set_env('messagecount', %d);\n", $JS_OBJECT_NAME, $message_count);
$javascript .= sprintf("%s.set_env('current_page', %d);\n", $JS_OBJECT_NAME, $IMAP->list_page);
$javascript .= sprintf("%s.set_env('pagecount', %d);\n", $JS_OBJECT_NAME, ceil($message_count/$IMAP->page_size));
$javascript .= sprintf("%s.set_env('sort_col', '%s');\n", $JS_OBJECT_NAME, $sort_col);
$javascript .= sprintf("%s.set_env('sort_order', '%s');\n", $JS_OBJECT_NAME, $sort_order);
if ($attrib['messageicon'])
$javascript .= sprintf("%s.set_env('messageicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['messageicon']);
if ($attrib['unreadicon'])
$javascript .= sprintf("%s.set_env('unreadicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['unreadicon']);
if ($attrib['repliedicon'])
$javascript .= sprintf("%s.set_env('repliedicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['repliedicon']);
if ($attrib['attachmenticon'])
$javascript .= sprintf("%s.set_env('attachmenticon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['attachmenticon']);
$javascript .= sprintf("%s.set_env('messages', %s);", $JS_OBJECT_NAME, array2js($a_js_message_arr));
$OUTPUT->add_script($javascript);
return $out;
}
// return javascript commands to add rows to the message list
function rcmail_js_message_list($a_headers, $insert_top=FALSE)
{
global $CONFIG, $IMAP;
$commands = '';
$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
// show 'to' instead of from in sent messages
if (strtolower($IMAP->get_mailbox_name())=='sent' && ($f = array_search('from', $a_show_cols)))
$a_show_cols[$f] = 'to';
// loop through message headers
for ($n=0; $a_headers[$n]; $n++)
{
$header = $a_headers[$n];
$a_msg_cols = array();
$a_msg_flags = array();
// format each col; similar as in rcmail_message_list()
foreach ($a_show_cols as $col)
{
if ($col=='from' || $col=='to')
$cont = rep_specialchars_output(rcmail_address_string($header->$col, 3));
else if ($col=='subject')
$cont = rep_specialchars_output($IMAP->decode_header($header->$col), 'html', 'all');
else if ($col=='size')
$cont = show_bytes($header->$col);
else if ($col=='date')
$cont = format_date($header->date); //date('m.d.Y G:i:s', strtotime($header->date));
else
$cont = rep_specialchars_output($header->$col, 'html', 'all');
$a_msg_cols[$col] = $cont;
}
$a_msg_flags['unread'] = $header->seen ? 0 : 1;
$a_msg_flags['replied'] = $header->answered ? 1 : 0;
$commands .= sprintf("this.add_message_row(%s, %s, %s, %b);\n",
$header->uid,
array2js($a_msg_cols),
array2js($a_msg_flags),
preg_match("/multipart\/m/i", $header->ctype));
}
return $commands;
}
function rcmail_messagecount_display($attrib)
{
global $IMAP, $OUTPUT, $JS_OBJECT_NAME;
if (!$attrib['id'])
$attrib['id'] = 'rcmcountdisplay';
$OUTPUT->add_script(sprintf("%s.gui_object('countdisplay', '%s');", $JS_OBJECT_NAME, $attrib['id']));
// allow the following attributes to be added to the <span> tag
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
$out = '<span' . $attrib_str . '>';
$out .= rcmail_get_messagecount_text();
$out .= '</span>';
return $out;
}
function rcmail_get_messagecount_text()
{
global $IMAP, $MESSAGE;
if (isset($MESSAGE['index']))
{
return rcube_label(array('name' => 'messagenrof',
'vars' => array('nr' => $MESSAGE['index']+1,
'count' => $IMAP->messagecount())));
}
$start_msg = ($IMAP->list_page-1) * $IMAP->page_size + 1;
$max = $IMAP->messagecount();
if ($max==0)
$out = rcube_label('mailboxempty');
else
$out = rcube_label(array('name' => 'messagesfromto',
'vars' => array('from' => $start_msg,
'to' => min($max, $start_msg + $IMAP->page_size - 1),
'count' => $max)));
return rep_specialchars_output($out);
}
function rcmail_print_body($part, $safe=FALSE, $plain=FALSE) // $body, $ctype_primary='text', $ctype_secondary='plain', $encoding='7bit', $safe=FALSE, $plain=FALSE)
{
global $IMAP, $REMOTE_OBJECTS, $JS_OBJECT_NAME;
// extract part properties: body, ctype_primary, ctype_secondary, encoding, parameters
extract($part);
$block = $plain ? '%s' : '%s'; //'<div style="display:block;">%s</div>';
$body = $IMAP->mime_decode($body, $encoding);
$body = $IMAP->charset_decode($body, $parameters);
// text/html
if ($ctype_secondary=='html')
{
if (!$safe) // remove remote images and scripts
{
$remote_patterns = array('/(src|background)=(["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)(\2|\s|>)/Ui',
// '/(src|background)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Ui',
'/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
'/(<link.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
'/url\s*\(["\']?([hftps]{3,5}:\/{2}[^"\'\s]+)["\']?\)/i',
'/url\s*\(["\']?([\.\/]+[^"\'\s]+)["\']?\)/i',
'/<script.+<\/script>/Umis');
$remote_replaces = array('', // '\\1=\\2#\\4',
// '\\1=\\2#\\4',
'',
'', // '\\1#\\3',
'none',
'none',
'');
// set flag if message containes remote obejcts that where blocked
foreach ($remote_patterns as $pattern)
{
if (preg_match($pattern, $body))
{
$REMOTE_OBJECTS = TRUE;
break;
}
}
$body = preg_replace($remote_patterns, $remote_replaces, $body);
}
return sprintf($block, rep_specialchars_output($body, 'html', '', FALSE));
}
// text/enriched
if ($ctype_secondary=='enriched')
{
$body = enriched_to_html($body);
return sprintf($block, rep_specialchars_output($body, 'html'));
}
else
{
// make links and email-addresses clickable
$convert_patterns = $convert_replaces = $replace_strings = array();
$url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:';
$url_chars_within = '\?\.~,!';
$convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
$convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', \$replace_strings)";
$convert_patterns[] = "/([^\/:]|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
$convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', \$replace_strings)";
$convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/ie';
$convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return $JS_OBJECT_NAME.command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
$body = wordwrap(trim($body), 80);
$body = preg_replace($convert_patterns, $convert_replaces, $body);
// split body into single lines
$a_lines = preg_split('/\r?\n/', $body);
// colorize quoted parts
for($n=0; $n<sizeof($a_lines); $n++)
{
$line = $a_lines[$n];
if ($line{2}=='>')
$color = 'red';
else if ($line{1}=='>')
$color = 'green';
else if ($line{0}=='>')
$color = 'blue';
else
$color = FALSE;
$line = rep_specialchars_output($line, 'html', 'replace', FALSE);
if ($color)
$a_lines[$n] = sprintf('<font color="%s">%s</font>', $color, $line);
else
$a_lines[$n] = $line;
}
// insert the links for urls and mailtos
$body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
return sprintf($block, "<pre>\n".$body."\n</pre>");
}
}
// add a string to the replacement array and return a replacement string
function rcmail_str_replacement($str, &$rep)
{
static $count = 0;
$rep[$count] = stripslashes($str);
return "##string_replacement{".($count++)."}##";
}
function rcmail_parse_message($structure, $arg=array(), $recursive=FALSE)
{
global $IMAP;
static $sa_inline_objects = array();
// arguments are: (bool)$prefer_html, (string)$get_url
extract($arg);
$a_attachments = array();
$a_return_parts = array();
$out = '';
$message_ctype_primary = strtolower($structure->ctype_primary);
$message_ctype_secondary = strtolower($structure->ctype_secondary);
// show message headers
if ($recursive && is_array($structure->headers) && isset($structure->headers['subject']))
$a_return_parts[] = array('type' => 'headers',
'headers' => $structure->headers);
// print body if message doesn't have multiple parts
if ($message_ctype_primary=='text')
{
$a_return_parts[] = array('type' => 'content',
'body' => $structure->body,
'ctype_primary' => $message_ctype_primary,
'ctype_secondary' => $message_ctype_secondary,
'parameters' => $structure->ctype_parameters,
'encoding' => $structure->headers['content-transfer-encoding']);
}
// message contains alternative parts
else if ($message_ctype_primary=='multipart' && $message_ctype_secondary=='alternative' && is_array($structure->parts))
{
// get html/plaintext parts
$plain_part = $html_part = $print_part = $related_part = NULL;
foreach ($structure->parts as $p => $sub_part)
{
$sub_ctype_primary = strtolower($sub_part->ctype_primary);
$sub_ctype_secondary = strtolower($sub_part->ctype_secondary);
// check if sub part is
if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='plain')
$plain_part = $p;
else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='html')
$html_part = $p;
else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
$enriched_part = $p;
else if ($sub_ctype_primary=='multipart' && $sub_ctype_secondary=='related')
$related_part = $p;
}
// parse related part (alternative part could be in here)
if ($related_part!==NULL && $prefer_html)
{
list($parts, $attachmnts) = rcmail_parse_message($structure->parts[$related_part], $arg, TRUE);
$a_return_parts = array_merge($a_return_parts, $parts);
$a_attachments = array_merge($a_attachments, $attachmnts);
}
// print html/plain part
else if ($html_part!==NULL && $prefer_html)
$print_part = $structure->parts[$html_part];
else if ($enriched_part!==NULL)
$print_part = $structure->parts[$enriched_part];
else if ($plain_part!==NULL)
$print_part = $structure->parts[$plain_part];
// show message body
if (is_object($print_part))
$a_return_parts[] = array('type' => 'content',
'body' => $print_part->body,
'ctype_primary' => strtolower($print_part->ctype_primary),
'ctype_secondary' => strtolower($print_part->ctype_secondary),
'parameters' => $print_part->ctype_parameters,
'encoding' => $print_part->headers['content-transfer-encoding']);
// show plaintext warning
else if ($html_part!==NULL)
$a_return_parts[] = array('type' => 'content',
'body' => rcube_label('htmlmessage'),
'ctype_primary' => 'text',
'ctype_secondary' => 'plain');
// add html part as attachment
if ($html_part!==NULL && $structure->parts[$html_part]!==$print_part)
{
$html_part = $structure->parts[$html_part];
$a_attachments[] = array('filename' => rcube_label('htmlmessage'),
'encoding' => $html_part->headers['content-transfer-encoding'],
'mimetype' => 'text/html',
'part_id' => $html_part->mime_id,
'size' => strlen($IMAP->mime_decode($html_part->body, $html_part->headers['content-transfer-encoding'])));
}
}
// message contains multiple parts
else if ($message_ctype_primary=='multipart' && is_array($structure->parts))
{
foreach ($structure->parts as $mail_part)
{
$primary_type = strtolower($mail_part->ctype_primary);
$secondary_type = strtolower($mail_part->ctype_secondary);
// multipart/alternative
if ($primary_type=='multipart') // && ($secondary_type=='alternative' || $secondary_type=='mixed' || $secondary_type=='related'))
{
list($parts, $attachmnts) = rcmail_parse_message($mail_part, $arg, TRUE);
$a_return_parts = array_merge($a_return_parts, $parts);
$a_attachments = array_merge($a_attachments, $attachmnts);
}
// part text/[plain|html] OR message/delivery-status
else if (($primary_type=='text' && ($secondary_type=='plain' || $secondary_type=='html')) ||
($primary_type=='message' && $secondary_type=='delivery-status'))
{
$a_return_parts[] = array('type' => 'content',
'body' => $mail_part->body,
'ctype_primary' => $primary_type,
'ctype_secondary' => $secondary_type,
'parameters' => $mail_part->ctype_parameters,
'encoding' => $mail_part->headers['content-transfer-encoding']);
}
// part message/*
else if ($primary_type=='message')
{
/* don't parse headers here; they're parsed within the recursive call to rcmail_parse_message()
if ($mail_part->parts[0]->headers)
$a_return_parts[] = array('type' => 'headers',
'headers' => $mail_part->parts[0]->headers);
*/
list($parts, $attachmnts) = rcmail_parse_message($mail_part->parts[0], $arg, TRUE);
$a_return_parts = array_merge($a_return_parts, $parts);
$a_attachments = array_merge($a_attachments, $attachmnts);
}
// part is file/attachment
else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'] ||
(empty($mail_part->disposition) && ($mail_part->d_parameters['filename'] || $mail_part->d_parameters['name'])))
{
if ($message_ctype_secondary=='related' && $mail_part->headers['content-id'])
$sa_inline_objects[] = array('filename' => rcube_imap::decode_mime_string($mail_part->d_parameters['filename']),
'mimetype' => strtolower("$primary_type/$secondary_type"),
'part_id' => $mail_part->mime_id,
'content_id' => preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']));
else if ($mail_part->d_parameters['filename'])
$a_attachments[] = array('filename' => rcube_imap::decode_mime_string($mail_part->d_parameters['filename']),
'encoding' => strtolower($mail_part->headers['content-transfer-encoding']),
'mimetype' => strtolower("$primary_type/$secondary_type"),
'part_id' => $mail_part->mime_id,
'size' => strlen($IMAP->mime_decode($mail_part->body, $mail_part->headers['content-transfer-encoding'])) /*,
'content' => $mail_part->body */);
else if ($mail_part->ctype_parameters['name'])
$a_attachments[] = array('filename' => rcube_imap::decode_mime_string($mail_part->ctype_parameters['name']),
'encoding' => strtolower($mail_part->headers['content-transfer-encoding']),
'mimetype' => strtolower("$primary_type/$secondary_type"),
'part_id' => $mail_part->mime_id,
'size' => strlen($IMAP->mime_decode($mail_part->body, $mail_part->headers['content-transfer-encoding'])) /*,
'content' => $mail_part->body */);
}
}
// if this was a related part try to resolve references
if ($message_ctype_secondary=='related' && sizeof($sa_inline_objects))
{
$a_replace_patters = array();
$a_replace_strings = array();
foreach ($sa_inline_objects as $inline_object)
{
$a_replace_patters[] = 'cid:'.$inline_object['content_id'];
$a_replace_strings[] = sprintf($get_url, $inline_object['part_id']);
}
foreach ($a_return_parts as $i => $return_part)
{
if ($return_part['type']!='content')
continue;
// decode body and replace cid:...
$a_return_parts[$i]['body'] = str_replace($a_replace_patters, $a_replace_strings, $IMAP->mime_decode($return_part['body'], $return_part['encoding']));
$a_return_parts[$i]['encoding'] = '7bit';
}
}
}
// join all parts together
//$out .= join($part_delimiter, $a_return_parts);
return array($a_return_parts, $a_attachments);
}
// return table with message headers
function rcmail_message_headers($attrib, $headers=NULL)
{
global $IMAP, $OUTPUT, $MESSAGE;
static $sa_attrib;
// keep header table attrib
if (is_array($attrib) && !$sa_attrib)
$sa_attrib = $attrib;
else if (!is_array($attrib) && is_array($sa_attrib))
$attrib = $sa_attrib;
if (!isset($MESSAGE))
return FALSE;
// get associative array of headers object
if (!$headers)
$headers = is_object($MESSAGE['headers']) ? get_object_vars($MESSAGE['headers']) : $MESSAGE['headers'];
$header_count = 0;
// allow the following attributes to be added to the <table> tag
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
$out = '<table' . $attrib_str . ">\n";
// show these headers
$standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'reply-to', 'date');
foreach ($standard_headers as $hkey)
{
if (!$headers[$hkey])
continue;
if ($hkey=='date' && !empty($headers[$hkey]))
$header_value = format_date(strtotime($headers[$hkey]));
else if (in_array($hkey, array('from', 'to', 'cc', 'reply-to')))
$header_value = rep_specialchars_output(rcmail_address_string($IMAP->decode_header($headers[$hkey]), NULL, $attrib['addicon']));
else
$header_value = rep_specialchars_output($IMAP->decode_header($headers[$hkey]), '', 'all');
$out .= "\n<tr>\n";
$out .= '<td class="header-title">'.rep_specialchars_output(rcube_label($hkey)).": </td>\n";
$out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
$header_count++;
}
$out .= "\n</table>\n\n";
return $header_count ? $out : '';
}
function rcmail_message_body($attrib)
{
global $CONFIG, $OUTPUT, $MESSAGE, $GET_URL, $REMOTE_OBJECTS, $JS_OBJECT_NAME;
if (!is_array($MESSAGE['parts']) && !$MESSAGE['body'])
return '';
if (!$attrib['id'])
$attrib['id'] = 'rcmailMsgBody';
$safe_mode = (bool)$_GET['_safe'];
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
$out = '<div '. $attrib_str . ">\n";
$header_attrib = array();
foreach ($attrib as $attr => $value)
if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
$header_attrib[$regs[1]] = $value;
// this is an ecrypted message
// -> create a plaintext body with the according message
if (!sizeof($MESSAGE['parts']) && $MESSAGE['headers']->ctype=='multipart/encrypted')
{
$MESSAGE['parts'][0] = array('type' => 'content',
'ctype_primary' => 'text',
'ctype_secondary' => 'plain',
'body' => rcube_label('encryptedmessage'));
}
if ($MESSAGE['parts'])
{
foreach ($MESSAGE['parts'] as $i => $part)
{
if ($part['type']=='headers')
$out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part['headers']);
else if ($part['type']=='content')
{
if (empty($part['parameters']) || empty($part['parameters']['charset']))
$part['parameters']['charset'] = $MESSAGE['headers']->charset;
// $body = rcmail_print_body($part['body'], $part['ctype_primary'], $part['ctype_secondary'], $part['encoding'], $safe_mode);
$body = rcmail_print_body($part, $safe_mode);
$out .= '<div class="message-part">';
$out .= rcmail_mod_html_body($body, $attrib['id']);
$out .= "</div>\n";
}
}
}
else
$out .= $MESSAGE['body'];
$ctype_primary = strtolower($MESSAGE['structure']->ctype_primary);
$ctype_secondary = strtolower($MESSAGE['structure']->ctype_secondary);
// list images after mail body
if (get_boolean($attrib['showimages']) && $ctype_primary=='multipart' && $ctype_secondary=='mixed' &&
sizeof($MESSAGE['attachments']) && !strstr($message_body, '<html') && strlen($GET_URL))
{
foreach ($MESSAGE['attachments'] as $attach_prop)
{
if (strpos($attach_prop['mimetype'], 'image/')===0)
$out .= sprintf("\n<hr />\n<p align=\"center\"><img src=\"%s&_part=%s\" alt=\"%s\" title=\"%s\" /></p>\n",
$GET_URL, $attach_prop['part_id'],
$attach_prop['filename'],
$attach_prop['filename']);
}
}
// tell client that there are blocked remote objects
if ($REMOTE_OBJECTS && !$safe_mode)
$OUTPUT->add_script(sprintf("%s.set_env('blockedobjects', true);", $JS_OBJECT_NAME));
$out .= "\n</div>";
return $out;
}
// modify a HTML message that it can be displayed inside a HTML page
function rcmail_mod_html_body($body, $container_id)
{
$last_style_pos = 0;
$body_lc = strtolower($body);
// find STYLE tags
while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
{
$pos2 += 8;
$body_pre = substr($body, 0, $pos);
$styles = substr($body, $pos, $pos2-$pos);
$body_post = substr($body, $pos2, strlen($body)-$pos2);
// replace all css definitions with #container [def]
$styles = rcmail_mod_css_styles($styles, $container_id);
$body = $body_pre . $styles . $body_post;
$last_style_pos = $pos2;
}
// remove SCRIPT tags
foreach (array('script', 'applet', 'object', 'embed', 'iframe') as $tag)
{
while (($pos = strpos($body_lc, '<'.$tag)) && ($pos2 = strpos($body_lc, '</'.$tag.'>', $pos)))
{
$pos2 += 8;
$body = substr($body, 0, $pos) . substr($body, $pos2, strlen($body)-$pos2);
$body_lc = strtolower($body);
}
}
// replace event handlers on any object
$body = preg_replace('/\s(on[a-z]+)=/im', ' __removed=', $body);
// resolve <base href>
$base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i';
if (preg_match($base_reg, $body, $regs))
{
$base_url = $regs[2];
$body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
$body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
$body = preg_replace($base_reg, '', $body);
}
// add comments arround html and other tags
$out = preg_replace(array('/(<\/?html[^>]*>)/i',
'/(<\/?head[^>]*>)/i',
'/(<title[^>]*>.+<\/title>)/ui',
'/(<\/?meta[^>]*>)/i'),
'<!--\\1-->',
$body);
$out = preg_replace(array('/(<body[^>]*>)/i',
'/(<\/body>)/i'),
array('<div class="rcmBody">',
'</div>'),
$out);
return $out;
}
// replace all css definitions with #container [def]
function rcmail_mod_css_styles($source, $container_id)
{
$a_css_values = array();
$last_pos = 0;
// cut out all contents between { and }
while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos)))
{
$key = sizeof($a_css_values);
$a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1));
$source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2);
$last_pos = $pos+2;
}
$styles = preg_replace('/(^\s*|,\s*)([a-z0-9\._][a-z0-9\.\-_]*)/im', "\\1#$container_id \\2", $source);
$styles = preg_replace('/<<str_replacement\[([0-9]+)\]>>/e', "\$a_css_values[\\1]", $styles);
// replace body definition because we also stripped off the <body> tag
$styles = preg_replace("/$container_id\s+body/i", "$container_id div.rcmBody", $styles);
return $styles;
}
// return first text part of a message
function rcmail_first_text_part($message_parts)
{
if (!is_array($message_parts))
return FALSE;
$html_part = NULL;
// check all message parts
foreach ($message_parts as $pid => $part)
{
$mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
if ($mimetype=='text/plain')
{
$body = rcube_imap::mime_decode($part->body, $part->headers['content-transfer-encoding']);
$body = rcube_imap::charset_decode($body, $part->ctype_parameters);
return $body;
}
else if ($mimetype=='text/html')
{
$html_part = rcube_imap::mime_decode($part->body, $part->headers['content-transfer-encoding']);
$html_part = rcube_imap::charset_decode($html_part, $part->ctype_parameters);
}
}
// convert HTML to plain text
if ($html_part)
{
// remove special chars encoding
$trans = array_flip(get_html_translation_table(HTML_ENTITIES));
$html_part = strtr($html_part, $trans);
// create instance of html2text class
$txt = new html2text($html_part);
return $txt->get_text();
}
return FALSE;
}
// get source code of a specific message and cache it
function rcmail_message_source($uid)
{
global $IMAP, $DB, $CONFIG;
// get message ID if uid is given
$cache_key = $IMAP->mailbox.'.msg';
$cached = $IMAP->get_cached_message($cache_key, $uid, FALSE);
// message is cached in database
if ($cached && !empty($cached->body))
return $cached->body;
if (!$cached)
$headers = $IMAP->get_headers($uid);
else
$headers = &$cached;
$message_id = $headers->messageID;
$temp_dir = $CONFIG['temp_dir'].(!eregi('\/$', $CONFIG['temp_dir']) ? '/' : '');
$cache_dir = $temp_dir.$_SESSION['client_id'];
$cache_path = $cache_dir.'/'.$message_id;
// message is cached in temp dir
if (is_dir($cache_dir) && is_file($cache_path))
{
if ($fp = fopen($cache_path, 'r'))
{
$msg_source = fread($fp, filesize($cache_path));
fclose($fp);
return $msg_source;
}
}
// get message from server
$msg_source = $IMAP->get_raw_body($uid);
// let's cache the message body within the database
if ($CONFIG['enable_caching'] && $cached && ($CONFIG['db_max_length'] -300) > $headers->size)
{
$DB->query("UPDATE ".get_table_name('messages')."
SET body=?
WHERE user_id=?
AND cache_key=?
AND uid=?",
$msg_source,
$_SESSION['user_id'],
$cache_key,
$uid);
return $msg_source;
}
// create dir for caching
if (!is_dir($cache_dir))
$dir = mkdir($cache_dir);
else
$dir = true;
// attempt to write a file with the message body
if ($dir && ($fp = fopen($cache_path, 'w')))
{
fwrite($fp, $msg_source);
fclose($fp);
}
else
{
raise_error(array('code' => 403, 'type' => 'php', 'line' => __LINE__, 'file' => __FILE__,
'message' => "Failed to write to temp dir"), TRUE, FALSE);
}
return $msg_source;
}
// decode address string and re-format it as HTML links
function rcmail_address_string($input, $max=NULL, $addicon=NULL)
{
global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $EMAIL_ADDRESS_PATTERN;
$a_parts = $IMAP->decode_address_list($input);
if (!sizeof($a_parts))
return $input;
$c = count($a_parts);
$j = 0;
$out = '';
foreach ($a_parts as $part)
{
$j++;
if ($PRINT_MODE)
$out .= sprintf('%s <%s>', rep_specialchars_output($part['name']), $part['mailto']);
else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto']))
{
$out .= sprintf('<a href="mailto:%s" onclick="return %s.command(\'compose\',\'%s\',this)" class="rcmContactAddress" title="%s">%s</a>',
$part['mailto'],
$JS_OBJECT_NAME,
$part['mailto'],
$part['mailto'],
rep_specialchars_output($part['name']));
if ($addicon)
$out .= sprintf(' <a href="#add" onclick="return %s.command(\'add-contact\',\'%s\',this)" title="%s"><img src="%s%s" alt="add" border="0" /></a>',
$JS_OBJECT_NAME,
urlencode($part['string']),
rcube_label('addtoaddressbook'),
$CONFIG['skin_path'],
$addicon);
}
else
{
if ($part['name'])
$out .= rep_specialchars_output($part['name']);
if ($part['mailto'])
$out .= (strlen($out) ? ' ' : '') . sprintf('<%s>', $part['mailto']);
}
if ($c>$j)
$out .= ','.($max ? ' ' : ' ');
if ($max && $j==$max && $c>$j)
{
$out .= '...';
break;
}
}
return $out;
}
function rcmail_message_part_controls()
{
global $CONFIG, $IMAP, $MESSAGE;
if (!is_array($MESSAGE) || !is_array($MESSAGE['parts']) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE['parts'][$_GET['_part']])
return '';
$part = $MESSAGE['parts'][$_GET['_part']];
$attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'cellspacing', 'cellpadding', 'border', 'summary'));
$out = '<table '. $attrib_str . ">\n";
$filename = $part->d_parameters['filename'] ? $part->d_parameters['filename'] : $part->ctype_parameters['name'];
$filesize = strlen($IMAP->mime_decode($part->body, $part->headers['content-transfer-encoding']));
if ($filename)
{
$out .= sprintf('<tr><td class="title">%s</td><td>%s</td><td>[<a href="./?%s">%s</a>]</tr>'."\n",
rcube_label('filename'),
rep_specialchars_output($filename),
str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']),
rcube_label('download'));
}
if ($filesize)
$out .= sprintf('<tr><td class="title">%s</td><td>%s</td></tr>'."\n",
rcube_label('filesize'),
show_bytes($filesize));
$out .= "\n</table>";
return $out;
}
function rcmail_message_part_frame($attrib)
{
global $MESSAGE;
$part = $MESSAGE['parts'][$_GET['_part']];
$ctype_primary = strtolower($part->ctype_primary);
$attrib['src'] = './?'.str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']);
$attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height'));
$out = '<iframe '. $attrib_str . "></ifame>";
return $out;
}
// create temp dir for attachments
function rcmail_create_compose_tempdir()
{
global $CONFIG;
if ($_SESSION['compose']['temp_dir'])
return $_SESSION['compose']['temp_dir'];
if (!empty($CONFIG['temp_dir']))
$temp_dir = $CONFIG['temp_dir'].(!eregi('\/$', $CONFIG['temp_dir']) ? '/' : '').$_SESSION['compose']['id'];
// create temp-dir for uploaded attachments
if (!empty($CONFIG['temp_dir']) && is_writeable($CONFIG['temp_dir']))
{
mkdir($temp_dir);
$_SESSION['compose']['temp_dir'] = $temp_dir;
}
return $_SESSION['compose']['temp_dir'];
}
// clear message composing settings
function rcmail_compose_cleanup()
{
if (!isset($_SESSION['compose']))
return;
// remove attachment files from temp dir
if (is_array($_SESSION['compose']['attachments']))
foreach ($_SESSION['compose']['attachments'] as $attachment)
unlink($attachment['path']);
// kill temp dir
if ($_SESSION['compose']['temp_dir'])
rmdir($_SESSION['compose']['temp_dir']);
unset($_SESSION['compose']);
}
?>