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roundcubemail/program/steps/mail/func.inc

1275 lines
41 KiB
PHP

<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2007, 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');
$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
if (empty($_SESSION['mbox']))
$_SESSION['mbox'] = $IMAP->get_mailbox_name();
// set imap properties and session vars
if ($mbox = get_input_value('_mbox', RCUBE_INPUT_GPC))
{
$IMAP->set_mailbox($mbox);
$_SESSION['mbox'] = $mbox;
}
if (!empty($_GET['_page']))
{
$IMAP->set_page((int)$_GET['_page']);
$_SESSION['page'] = (int)$_GET['_page'];
}
// set mailbox to INBOX if not set
if (empty($_SESSION['mbox']))
$_SESSION['mbox'] = $IMAP->get_mailbox_name();
// set default sort col/order to session
if (!isset($_SESSION['sort_col']))
$_SESSION['sort_col'] = $CONFIG['message_sort_col'];
if (!isset($_SESSION['sort_order']))
$_SESSION['sort_order'] = $CONFIG['message_sort_order'];
// set message set for search result
if (!empty($_REQUEST['_search']) && isset($_SESSION['search'][$_REQUEST['_search']]))
$IMAP->set_search_set($_SESSION['search'][$_REQUEST['_search']]);
// define url for getting message parts
if (strlen($_GET['_uid']))
$GET_URL = rcmail_url('get', array('_mbox'=>$IMAP->get_mailbox_name(), '_uid'=>get_input_value('_uid', RCUBE_INPUT_GET)));
// set current mailbox in client environment
$OUTPUT->set_env('mailbox', $IMAP->get_mailbox_name());
$OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
if ($CONFIG['trash_mbox'])
$OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
if ($CONFIG['drafts_mbox'])
$OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
if ($CONFIG['junk_mbox'])
$OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
if (!$OUTPUT->ajax_call)
rcube_add_label('checkingmail', 'deletemessage', 'movemessagetotrash');
// set page title
if (empty($_action) || $_action == 'list')
$OUTPUT->set_pagetitle(rcube_charset_convert($IMAP->get_mailbox_name(), 'UTF-7'));
// return the message list as HTML table
function rcmail_message_list($attrib)
{
global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT;
$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'];
// add some labels to client
rcube_add_label('from', 'to');
// 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', 'size');
$mbox = $IMAP->get_mailbox_name();
// show 'to' instead of from in sent messages
if (($mbox==$CONFIG['sent_mbox'] || $mbox==$CONFIG['drafts_mbox']) && ($f = array_search('from', $a_show_cols))
&& !array_search('to', $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\">&nbsp;</td>\n";
$javascript = '';
foreach ($a_show_cols as $col)
{
// get column name
$col_name = Q(rcube_label($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']))
{
$sort = '&nbsp;&nbsp;';
// asc link
if (!empty($attrib['sortascbutton']))
{
$sort .= $OUTPUT->button(array(
'command' => 'sort',
'prop' => $col.'_ASC',
'image' => $attrib['sortascbutton'],
'align' => 'absmiddle',
'title' => 'sortasc'));
}
// desc link
if (!empty($attrib['sortdescbutton']))
{
$sort .= $OUTPUT->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))
$OUTPUT->show_message('nomessagesfound', 'notice');
$a_js_message_arr = array();
// create row for each message
foreach ($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->deleted)
$js_row_arr['deleted'] = true;
if (!$header->seen)
$js_row_arr['unread'] = true;
if ($header->answered)
$js_row_arr['replied'] = true;
// set message icon
if ($attrib['deletedicon'] && $header->deleted)
$message_icon = $attrib['deletedicon'];
else if ($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\/[mr]/i", $header->ctype))
$attach_icon = $attrib['attachmenticon'];
$out .= sprintf('<tr id="rcmrow%d" class="message%s%s %s">'."\n",
$header->uid,
$header->seen ? '' : ' unread',
$header->deleted ? ' deleted' : '',
$zebra_class);
$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')
$cont = Q(rcmail_address_string($header->$col, 3, $attrib['addicon']), 'show');
else if ($col=='subject')
{
$action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
$uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
$cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
if (empty($cont)) $cont = Q(rcube_label('nosubject'));
$cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
}
else if ($col=='size')
$cont = show_bytes($header->$col);
else if ($col=='date')
$cont = format_date($header->date);
else
$cont = Q($header->$col);
$out .= '<td class="'.$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
$OUTPUT->add_gui_object('mailcontframe', 'mailcontframe');
$OUTPUT->add_gui_object('messagelist', $attrib['id']);
$OUTPUT->set_env('messagecount', $message_count);
$OUTPUT->set_env('current_page', $IMAP->list_page);
$OUTPUT->set_env('pagecount', ceil($message_count/$IMAP->page_size));
$OUTPUT->set_env('sort_col', $sort_col);
$OUTPUT->set_env('sort_order', $sort_order);
if ($attrib['messageicon'])
$OUTPUT->set_env('messageicon', $skin_path . $attrib['messageicon']);
if ($attrib['deletedicon'])
$OUTPUT->set_env('deletedicon', $skin_path . $attrib['deletedicon']);
if ($attrib['unreadicon'])
$OUTPUT->set_env('unreadicon', $skin_path . $attrib['unreadicon']);
if ($attrib['repliedicon'])
$OUTPUT->set_env('repliedicon', $skin_path . $attrib['repliedicon']);
if ($attrib['attachmenticon'])
$OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
$OUTPUT->set_env('messages', $a_js_message_arr);
$OUTPUT->include_script('list.js');
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, $OUTPUT;
$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
$mbox = $IMAP->get_mailbox_name();
// show 'to' instead of from in sent messages
if (($mbox == $CONFIG['sent_mbox'] || $mbox == $CONFIG['drafts_mbox'])
&& (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
$a_show_cols[$f] = 'to';
$OUTPUT->command('set_message_coltypes', $a_show_cols);
// loop through message headers
foreach ($a_headers as $n => $header)
{
$a_msg_cols = array();
$a_msg_flags = array();
if (empty($header))
continue;
// format each col; similar as in rcmail_message_list()
foreach ($a_show_cols as $col)
{
if ($col=='from' || $col=='to')
$cont = Q(rcmail_address_string($header->$col, 3), 'show');
else if ($col=='subject')
{
$action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
$uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
$cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
if (!$cont) $cont = Q(rcube_label('nosubject'));
$cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
}
else if ($col=='size')
$cont = show_bytes($header->$col);
else if ($col=='date')
$cont = format_date($header->date);
else
$cont = Q($header->$col);
$a_msg_cols[$col] = $cont;
}
$a_msg_flags['deleted'] = $header->deleted ? 1 : 0;
$a_msg_flags['unread'] = $header->seen ? 0 : 1;
$a_msg_flags['replied'] = $header->answered ? 1 : 0;
$OUTPUT->command('add_message_row',
$header->uid,
$a_msg_cols,
$a_msg_flags,
preg_match("/multipart\/m/i", $header->ctype),
$insert_top);
}
}
// return an HTML iframe for loading mail content
function rcmail_messagecontent_frame($attrib)
{
global $OUTPUT;
if (empty($attrib['id']))
$attrib['id'] = 'rcmailcontentwindow';
// allow the following attributes to be added to the <iframe> tag
$attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height', 'frameborder'));
$framename = $attrib['id'];
$out = sprintf('<iframe name="%s"%s></iframe>'."\n",
$framename,
$attrib_str);
$OUTPUT->set_env('contentframe', $framename);
$OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');
return $out;
}
function rcmail_messagecount_display($attrib)
{
global $IMAP, $OUTPUT;
if (!$attrib['id'])
$attrib['id'] = 'rcmcountdisplay';
$OUTPUT->add_gui_object('countdisplay', $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 $out;
}
function rcmail_quota_display($attrib)
{
global $OUTPUT, $COMM_PATH;
if (!$attrib['id'])
$attrib['id'] = 'rcmquotadisplay';
$OUTPUT->add_gui_object('quotadisplay', $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 . '>';
$out .= rcmail_quota_content($attrib['display']);
$out .= '</span>';
return $out;
}
function rcmail_quota_content($display)
{
global $IMAP, $COMM_PATH;
if (!$IMAP->get_capability('QUOTA'))
$quota_text = rcube_label('unknown');
else if ($quota = $IMAP->get_quota())
{
$quota_text = sprintf("%s / %s (%.0f%%)",
show_bytes($quota["used"] * 1024),
show_bytes($quota["total"] * 1024),
$quota["percent"]);
// show quota as image (by Brett Patterson)
if ($display == 'image' && function_exists('imagegif'))
{
$attrib = array('width' => 100, 'height' => 14);
$quota_text = sprintf('<img src="./bin/quotaimg.php?u=%s&amp;q=%d&amp;w=%d&amp;h=%d" width="%d" height="%d" alt="%s" title="%s / %s" />',
$quota['used'], $quota['total'],
$attrib['width'], $attrib['height'],
$attrib['width'], $attrib['height'],
$quota_text,
show_bytes($quota["used"] * 1024),
show_bytes($quota["total"] * 1024));
}
}
else
$quota_text = rcube_label('unlimited');
return $quota_text;
}
function rcmail_get_messagecount_text($count=NULL, $page=NULL)
{
global $IMAP, $MESSAGE;
if (isset($MESSAGE['index']))
{
return rcube_label(array('name' => 'messagenrof',
'vars' => array('nr' => $MESSAGE['index']+1,
'count' => $count!==NULL ? $count : $IMAP->messagecount())));
}
if ($page===NULL)
$page = $IMAP->list_page;
$start_msg = ($page-1) * $IMAP->page_size + 1;
$max = $count!==NULL ? $count : $IMAP->messagecount();
if ($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' => $max)));
return Q($out);
}
function rcmail_print_body($part, $safe=FALSE, $plain=FALSE)
{
global $IMAP, $REMOTE_OBJECTS;
$body = is_array($part->replaces) ? strtr($part->body, $part->replaces) : $part->body;
// convert html to text/plain
if ($part->ctype_secondary=='html' && $plain)
{
$txt = new html2text($body, false, true);
$body = $txt->get_text();
$part->ctype_secondary = 'plain';
}
// text/html
if ($part->ctype_secondary=='html')
{
// remove charset specification in HTML message
$body = preg_replace('/charset=[a-z0-9\-]+/i', '', $body);
if (!$safe) // remove remote images and scripts
{
$remote_patterns = array('/<img\s+(.*)src=(["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)(\2|\s|>)/Ui',
'/(src|background)=(["\']?)([hftps]{3,5}:\/{2}[^"\'\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');
$remote_replaces = array('<img \\1src=\\2./program/blocked.gif\\4',
'',
'',
'',
'none',
'none',
'');
// set flag if message containes remote obejcts that where blocked
foreach ($remote_patterns as $pattern)
{
if (preg_match($pattern, $body))
{
$REMOTE_OBJECTS = TRUE;
break;
}
}
$body = preg_replace($remote_patterns, $remote_replaces, $body);
}
return Q($body, 'show', FALSE);
}
// text/enriched
if ($part->ctype_secondary=='enriched')
{
return Q(enriched_to_html($body), 'show');
}
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';
$convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
if ($part->ctype_parameters['format'] != 'flowed')
$body = wordwrap(trim($body), 80);
$body = preg_replace($convert_patterns, $convert_replaces, $body);
// split body into single lines
$a_lines = preg_split('/\r?\n/', $body);
$quote_level = 0;
// colorize quoted parts
for($n=0; $n<sizeof($a_lines); $n++)
{
$line = $a_lines[$n];
$quotation = '';
$q = 0;
if (preg_match('/^(>+\s*)/', $line, $regs))
{
$q = strlen(preg_replace('/\s/', '', $regs[1]));
$line = substr($line, strlen($regs[1]));
if ($q > $quote_level)
$quotation = str_repeat('<blockquote>', $q - $quote_level);
else if ($q < $quote_level)
$quotation = str_repeat("</blockquote>", $quote_level - $q);
}
else if ($quote_level > 0)
$quotation = str_repeat("</blockquote>", $quote_level);
$quote_level = $q;
$a_lines[$n] = $quotation . Q($line, 'replace', FALSE);
}
// insert the links for urls and mailtos
$body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
return "<div class=\"pre\">".$body."\n</div>";
}
}
// 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']))
{
$c = new stdClass;
$c->type = 'headers';
$c->headers = &$structure->headers;
$a_return_parts[] = $c;
}
// print body if message doesn't have multiple parts
if ($message_ctype_primary=='text')
{
$structure->type = 'content';
$a_return_parts[] = &$structure;
}
// 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)
{
$rel_parts = $attachmnts = null;
$sub_ctype_primary = strtolower($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' || $sub_ctype_secondary=='mixed'))
$related_part = $p;
}
// parse related part (alternative part could be in here)
if ($related_part!==NULL)
{
list($rel_parts, $attachmnts) = rcmail_parse_message($structure->parts[$related_part], $arg, TRUE);
$a_attachments = array_merge($a_attachments, $attachmnts);
}
// merge related parts if any
if ($rel_parts && $prefer_html && !$html_part)
$a_return_parts = array_merge($a_return_parts, $rel_parts);
// choose html/plain part to print
else if ($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))
{
$print_part->type = 'content';
$a_return_parts[] = $print_part;
}
// show plaintext warning
else if ($html_part!==NULL && empty($a_return_parts))
{
$c = new stdClass;
$c->type = 'content';
$c->body = rcube_label('htmlmessage');
$c->ctype_primary = 'text';
$c->ctype_secondary = 'plain';
$a_return_parts[] = $c;
}
// add html part as attachment
if ($html_part!==NULL && $structure->parts[$html_part]!==$print_part)
{
$html_part = &$structure->parts[$html_part];
$html_part->filename = rcube_label('htmlmessage');
$html_part->mimetype = 'text/html';
$a_attachments[] = $html_part;
}
}
// message contains multiple parts
else if (is_array($structure->parts) && !empty($structure->parts))
{
for ($i=0; $i<count($structure->parts); $i++)
{
$mail_part = &$structure->parts[$i];
$primary_type = strtolower($mail_part->ctype_primary);
$secondary_type = strtolower($mail_part->ctype_secondary);
// multipart/alternative
if ($primary_type=='multipart')
{
list($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') && $mail_part->disposition!='attachment') ||
($primary_type=='message' && $secondary_type=='delivery-status'))
{
$mail_part->type = 'content';
$a_return_parts[] = $mail_part;
}
// part message/*
else if ($primary_type=='message')
{
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, $attachmnts);
}
// part is file/attachment
else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'] ||
(empty($mail_part->disposition) && $mail_part->filename))
{
// skip apple resource forks
if ($message_ctype_secondary=='appledouble' && $secondary_type=='applefile')
continue;
// part belongs to a related message
if ($message_ctype_secondary=='related' && $mail_part->headers['content-id'])
{
$mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
$sa_inline_objects[] = $mail_part;
}
// is regular attachment
else
{
if (!$mail_part->filename)
$mail_part->filename = 'file_'.$mail_part->mime_id;
$a_attachments[] = $mail_part;
}
}
}
// if this was a related part try to resolve references
if ($message_ctype_secondary=='related' && sizeof($sa_inline_objects))
{
$a_replaces = array();
foreach ($sa_inline_objects as $inline_object)
$a_replaces['cid:'.$inline_object->content_id] = htmlspecialchars(sprintf($get_url, $inline_object->mime_id));
// add replace array to each content part
// (will be applied later when part body is available)
for ($i=0; $i<count($a_return_parts); $i++)
{
if ($a_return_parts[$i]->type=='content')
$a_return_parts[$i]->replaces = $a_replaces;
}
}
}
// message is single part non-text
else if ($structure->filename)
$a_attachments[] = $structure;
return array($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
$standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'reply-to', 'date');
foreach ($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', 'bcc', 'reply-to')))
$header_value = Q(rcmail_address_string($headers[$hkey], NULL, $attrib['addicon']), 'show');
else
$header_value = Q(rcube_imap::decode_mime_string($headers[$hkey], $headers['charset']));
$out .= "\n<tr>\n";
$out .= '<td class="header-title">'.Q(rcube_label($hkey)).":&nbsp;</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, $IMAP, $GET_URL, $REMOTE_OBJECTS;
if (!is_array($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')
{
$p = new stdClass;
$p->type = 'content';
$p->ctype_primary = 'text';
$p->ctype_secondary = 'plain';
$p->body = rcube_label('encryptedmessage');
$MESSAGE['parts'][0] = $p;
}
if ($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($part->ctype_parameters) || empty($part->ctype_parameters['charset']))
$part->ctype_parameters['charset'] = $MESSAGE['headers']->charset;
// fetch part if not available
if (!isset($part->body))
$part->body = $IMAP->get_message_part($MESSAGE['UID'], $part->mime_id, $part);
$body = rcmail_print_body($part, $safe_mode, !$CONFIG['prefer_html']);
$out .= '<div class="message-part">';
if ($part->ctype_secondary != 'plain')
$out .= rcmail_sanitize_html($body, $attrib['id']);
else
$out .= $body;
$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']) && $ctype_primary=='multipart' &&
!empty($MESSAGE['attachments']) && !strstr($message_body, '<html') && strlen($GET_URL))
{
foreach ($MESSAGE['attachments'] as $attach_prop)
{
if (strpos($attach_prop->mimetype, 'image/')===0)
$out .= sprintf("\n<hr />\n<p align=\"center\"><img src=\"%s&amp;_part=%s\" alt=\"%s\" title=\"%s\" /></p>\n",
htmlspecialchars($GET_URL), $attach_prop->mime_id,
$attach_prop->filename,
$attach_prop->filename);
}
}
// tell client that there are blocked remote objects
if ($REMOTE_OBJECTS && !$safe_mode)
$OUTPUT->set_env('blockedobjects', true);
$out .= "\n</div>";
return $out;
}
// modify a HTML message that it can be displayed inside a HTML page
function rcmail_sanitize_html($body, $container_id)
{
// remove any null-byte characters before parsing
$body = preg_replace('/\x00/', '', $body);
$base_url = "";
$last_style_pos = 0;
$body_lc = strtolower($body);
// check for <base href>
if (preg_match(($base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i'), $body, $base_regs))
$base_url = $base_regs[2];
// find STYLE tags
while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
{
$pos = strpos($body_lc, '>', $pos)+1;
// replace all css definitions with #container [def]
$styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id, $base_url);
$body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
$body_lc = strtolower($body);
$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)))
{
$pos2 += strlen('</'.$tag.'>');
$body = substr($body, 0, $pos) . substr($body, $pos2, strlen($body)-$pos2);
$body_lc = strtolower($body);
}
}
// replace event handlers on any object
while ($body != $prev_body)
{
$prev_body = $body;
$body = preg_replace('/(<[^!][^>]*\s)(on[^=>]+)=([^>]+>)/im', '$1__removed=$3', $body);
$body = preg_replace('/(<[^!][^>]*\shref=["\']?)(javascript:)([^>]*?>)/im', '$1null:$3', $body);
}
// resolve <base href>
if ($base_url)
{
$body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$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);
}
// modify HTML links to open a new window if clicked
$body = preg_replace('/<(a|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body);
// add comments arround html and other tags
$out = preg_replace(array(
'/(<!DOCTYPE.+)/i',
'/(<\/?html[^>]*>)/i',
'/(<\/?head[^>]*>)/i',
'/(<title[^>]*>.*<\/title>)/Ui',
'/(<\/?meta[^>]*>)/i'),
'<!--\\1-->',
$body);
$out = preg_replace(
array(
'/<body([^>]*)>/i',
'/<\/body>/i',
),
array(
'<div class="rcmBody"\\1>',
'</div>',
),
$out);
// quote <? of php and xml files that are specified as text/html
$out = preg_replace(array('/<\?/', '/\?>/'), array('&lt;?', '?&gt;'), $out);
return $out;
}
// parse link attributes and set correct target
function rcmail_alter_html_link($tag, $attrs, $container_id)
{
$in = preg_replace('/=([^("|\'|\s)]+)(\s|$)/', '="\1"', $in);
$attrib = parse_attrib_string($attrs);
if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href']))
$attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&amp;c=" . urlencode($container_id);
else if (stristr((string)$attrib['href'], 'mailto:'))
$attrib['onclick'] = sprintf(
"return %s.command('compose','%s',this)",
JS_OBJECT_NAME,
JQ(substr($attrib['href'], 7)));
else if (!empty($attrib['href']) && $attrib['href']{0}!='#')
$attrib['target'] = '_blank';
return "<$tag" . create_attrib_string($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . ' />';
}
function rcmail_has_html_part($message_parts)
{
if (!is_array($message_parts))
return FALSE;
// check all message parts
foreach ($message_parts as $pid => $part)
{
$mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
if ($mimetype=='text/html')
{
return TRUE;
}
}
return FALSE;
}
// return first HTML part of a message
function rcmail_first_html_part($message_struct)
{
global $IMAP;
if (!is_array($message_struct['parts']))
return FALSE;
$html_part = NULL;
// check all message parts
foreach ($message_struct['parts'] as $pid => $part)
{
$mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
if ($mimetype=='text/html')
{
$html_part = $IMAP->get_message_part($message_struct['UID'], $pid, $part);
}
}
if ($html_part)
{
// remove special chars encoding
//$trans = array_flip(get_html_translation_table(HTML_ENTITIES));
//$html_part = strtr($html_part, $trans);
return $html_part;
}
return FALSE;
}
// return first text part of a message
function rcmail_first_text_part($message_struct)
{
global $IMAP;
if (empty($message_struct['parts']))
return $message_struct['UID'] ? $IMAP->get_body($message_struct['UID']) : false;
// check all message parts
foreach ($message_struct['parts'] as $pid => $part)
{
$mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
if ($mimetype=='text/plain')
return $IMAP->get_message_part($message_struct['UID'], $pid, $part);
else if ($mimetype=='text/html')
{
$html_part = $IMAP->get_message_part($message_struct['UID'], $pid, $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 $txt->get_text();
}
}
return FALSE;
}
// decode address string and re-format it as HTML links
function rcmail_address_string($input, $max=NULL, $addicon=NULL)
{
global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $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)
$out .= sprintf('%s &lt;%s&gt;', Q($part['name']), $part['mailto']);
else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto']))
{
$out .= sprintf('<a href="mailto:%s" onclick="return %s.command(\'compose\',\'%s\',this)" class="rcmContactAddress" title="%s">%s</a>',
Q($part['mailto']),
JS_OBJECT_NAME,
JQ($part['mailto']),
Q($part['mailto']),
Q($part['name']));
if ($addicon)
$out .= sprintf('&nbsp;<a href="#add" onclick="return %s.command(\'add-contact\',\'%s\',this)" title="%s"><img src="%s%s" alt="add" border="0" /></a>',
JS_OBJECT_NAME,
urlencode($part['string']),
rcube_label('addtoaddressbook'),
$CONFIG['skin_path'],
$addicon);
}
else
{
if ($part['name'])
$out .= Q($part['name']);
if ($part['mailto'])
$out .= (strlen($out) ? ' ' : '') . sprintf('&lt;%s&gt;', Q($part['mailto']));
}
if ($c>$j)
$out .= ','.($max ? '&nbsp;' : ' ');
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 '. $attrib_str . ">\n";
if ($filename)
{
$out .= sprintf('<tr><td class="title">%s</td><td>%s</td><td>[<a href="./?%s">%s</a>]</tr>'."\n",
Q(rcube_label('filename')),
Q($part->filename),
str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']),
Q(rcube_label('download')));
}
if ($part->size)
$out .= sprintf('<tr><td class="title">%s</td><td>%s</td></tr>'."\n",
Q(rcube_label('filesize')),
show_bytes($part->size));
$out .= "\n</table>";
return $out;
}
function rcmail_message_part_frame($attrib)
{
global $MESSAGE;
$part = $MESSAGE['parts'][$_GET['_part']];
$ctype_primary = strtolower($part->ctype_primary);
$attrib['src'] = Q('./?'.str_replace('_frame=', ($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 . "></iframe>";
return $out;
}
// clear message composing settings
function rcmail_compose_cleanup()
{
if (!isset($_SESSION['compose']))
return;
// remove attachment files from temp dir
if (is_array($_SESSION['compose']['attachments']))
foreach ($_SESSION['compose']['attachments'] as $attachment)
@unlink($attachment['path']);
unset($_SESSION['compose']);
}
// register UI objects
$OUTPUT->add_handlers(array(
'mailboxlist' => 'rcmail_mailbox_list',
'messages' => 'rcmail_message_list',
'messagecountdisplay' => 'rcmail_messagecount_display',
'quotadisplay' => 'rcmail_quota_display',
'messageheaders' => 'rcmail_message_headers',
'messagebody' => 'rcmail_message_body',
'messagecontentframe' => 'rcmail_messagecontent_frame',
'messagepartframe' => 'rcmail_message_part_frame',
'messagepartcontrols' => 'rcmail_message_part_controls',
'searchform' => 'rcmail_search_form'
));
?>