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roundcubemail/program/steps/mail/func.inc

1334 lines
43 KiB
PHP

<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2008, 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/enriched.inc');
require_once('include/rcube_smtp.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))
$IMAP->set_mailbox(($_SESSION['mbox'] = $mbox));
if (!empty($_GET['_page']))
$IMAP->set_page(($_SESSION['page'] = intval($_GET['_page'])));
// set mailbox to INBOX if not set
if (empty($_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']]);
$OUTPUT->set_env('search_request', $_REQUEST['_search']);
$OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
}
// set current mailbox in client environment
$OUTPUT->set_env('mailbox', $IMAP->get_mailbox_name());
$OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
$OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());
if ($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', 'movingmessage');
// set page title
if (empty($RCMAIL->action) || $RCMAIL->action == 'list')
$OUTPUT->set_pagetitle(rcmail_localize_foldername($IMAP->get_mailbox_name()));
/**
* 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" />';
// 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 = $col != 'flag' ? Q(rcube_label($col)) : sprintf($image_tag, $skin_path, $attrib['unflaggedicon'], '');
// make sort links
$sort = '';
if (in_array($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 = $flagged_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)
$js_row_arr['replied'] = true;
if ($header->forwarded)
$js_row_arr['forwarded'] = true;
if ($header->flagged)
$js_row_arr['flagged'] = true;
// set message icon
if ($attrib['deletedicon'] && $header->deleted)
$message_icon = $attrib['deletedicon'];
else if ($attrib['repliedicon'] && $header->answered)
{
if ($attrib['forwardedrepliedicon'] && $header->forwarded)
$message_icon = $attrib['forwardedrepliedicon'];
else
$message_icon = $attrib['repliedicon'];
}
else if ($attrib['forwardedicon'] && $header->forwarded)
$message_icon = $attrib['forwardedicon'];
else if ($attrib['unreadicon'] && !$header->seen)
$message_icon = $attrib['unreadicon'];
else if ($attrib['messageicon'])
$message_icon = $attrib['messageicon'];
if ($attrib['flaggedicon'] && $header->flagged)
$flagged_icon = $attrib['flaggedicon'];
else if ($attrib['unflaggedicon'] && !$header->flagged)
$flagged_icon = $attrib['unflaggedicon'];
// set attachment icon
if ($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' : '',
$header->flagged ? ' flagged' : '',
$zebra_class);
$out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
if (!empty($header->charset))
$IMAP->set_charset($header->charset);
// format each col
foreach ($a_show_cols as $col)
{
if ($col=='from' || $col=='to')
$cont = Q(rcmail_address_string($header->$col, 3, false, $attrib['addicon']), 'show');
else if ($col=='subject')
{
$action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
$uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draft_uid' : '_uid';
$cont = abbreviate_string(trim($IMAP->decode_header($header->$col)), 160);
if (empty($cont)) $cont = 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'=>$mbox))), Q($cont));
}
else if ($col=='flag')
$cont = $flagged_icon ? sprintf($image_tag, $skin_path, $flagged_icon, '') : '';
else if ($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['forwardedicon'])
$OUTPUT->set_env('forwardedicon', $skin_path . $attrib['forwardedicon']);
if ($attrib['forwardedrepliedicon'])
$OUTPUT->set_env('forwardedrepliedicon', $skin_path . $attrib['forwardedrepliedicon']);
if ($attrib['attachmenticon'])
$OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
if ($attrib['flaggedicon'])
$OUTPUT->set_env('flaggedicon', $skin_path . $attrib['flaggedicon']);
if ($attrib['unflaggedicon'])
$OUTPUT->set_env('unflaggedicon', $skin_path . $attrib['unflaggedicon']);
$OUTPUT->set_env('messages', $a_js_message_arr);
$OUTPUT->set_env('coltypes', $a_show_cols);
$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;
if (!empty($header->charset))
$IMAP->set_charset($header->charset);
// 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'] ? '_draft_uid' : '_uid';
$cont = abbreviate_string(trim($IMAP->decode_header($header->$col)), 160);
if (!$cont) $cont = 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'=>$mbox))), Q($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;
$a_msg_flags['forwarded'] = $header->forwarded ? 1 : 0;
$a_msg_flags['flagged'] = $header->flagged ? 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'])
$attrib['id'] = 'rcmquotadisplay';
if(isset($attrib['display']))
$_SESSION['quota_display'] = $attrib['display'];
$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', 'display'));
$out = '<span' . $attrib_str . '>';
$out .= rcmail_quota_content(NULL, $attrib);
$out .= '</span>';
return $out;
}
/**
*
*/
function rcmail_quota_content($quota=NULL, $attrib=NULL)
{
global $IMAP, $COMM_PATH, $RCMAIL;
$display = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
if (is_array($quota) && !empty($quota['used']) && !empty($quota['total']))
{
if (!isset($quota['percent']))
$quota['percent'] = $quota['used'] / $quota['total'];
}
elseif (!$IMAP->get_capability('QUOTA'))
return rcube_label('unknown');
else
$quota = $IMAP->get_quota();
if ($quota && !($quota['total']==0 && $RCMAIL->config->get('quota_zero_as_unlimited')))
{
$quota_text = sprintf('%s / %s (%.0f%%)',
show_bytes($quota['used'] * 1024),
show_bytes($quota['total'] * 1024),
$quota['percent']);
// show quota as image (by Brett Patterson)
if ($display == 'image' && function_exists('imagegif'))
{
if (!$attrib['width'])
$attrib['width'] = isset($_SESSION['quota_width']) ? $_SESSION['quota_width'] : 100;
else
$_SESSION['quota_width'] = $attrib['width'];
if (!$attrib['height'])
$attrib['height'] = isset($_SESSION['quota_height']) ? $_SESSION['quota_height'] : 14;
else
$_SESSION['quota_height'] = $attrib['height'];
$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_mailbox_name_display($attrib)
{
global $RCMAIL;
if (!$attrib['id'])
$attrib['id'] = 'rcmmailboxname';
$RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);
return html::span($attrib, rcmail_get_mailbox_name_text());
}
function rcmail_get_mailbox_name_text()
{
global $RCMAIL;
return rcmail_localize_foldername($RCMAIL->imap->get_mailbox_name());
}
/**
* Convert the given message part to proper HTML
* which can be displayed the message view
*
* @param object rcube_message_part Message part
* @param bool True if external objects (ie. images ) are allowed
* @param bool True if part should be converted to plaintext
* @return string Formatted HTML string
*/
function rcmail_print_body($part, $p = array())
{
global $REMOTE_OBJECTS;
$p += array('safe' => false, 'plain' => false, 'inline_html' => true);
// convert html to text/plain
if ($part->ctype_secondary == 'html' && $p['plain']) {
$txt = new html2text($part->body, false, true);
$body = $txt->get_text();
$part->ctype_secondary = 'plain';
}
// text/html
else if ($part->ctype_secondary == 'html') {
$html = $part->body;
// special replacements (not properly handled by washtml class)
$html_search = array(
'/(<\/nobr>)(\s+)(<nobr>)/i', // space(s) between <NOBR>
'/(<[\/]*st1:[^>]+>)/i', // Microsoft's Smart Tags <ST1>
'/<title>.*<\/title>/i', // PHP bug #32547 workaround: remove title tag
'/<html[^>]*>/im', // malformed html: remove html tags (#1485139)
'/<\/html>/i', // malformed html: remove html tags (#1485139)
);
$html_replace = array(
'\\1'.' &nbsp; '.'\\3',
'',
'',
'',
'',
);
$html = preg_replace($html_search, $html_replace, $html);
// charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly
if (preg_match('/(\s+content=[\'"]\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i', $html))
$html = preg_replace('/(\s+content=[\'"]\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i', '\\1='.RCMAIL_CHARSET, $html);
else {
// add head for malformed messages, washtml cannot work without that
if (!preg_match('/<head[^>]*>(.*)<\/head>/Uims', $html))
$html = '<head></head>'. $html;
$html = substr_replace($html, '<meta http-equiv="Content-Type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '</head>')), 0);
}
// clean HTML with washhtml by Frederic Motte
$wash_opts = array(
'show_washed' => false,
'allow_remote' => $p['safe'],
'blocked_src' => "./program/blocked.gif",
'charset' => RCMAIL_CHARSET,
'cid_map' => $part->replaces,
'html_elements' => array('body'),
);
if (!$p['inline_html']) {
$wash_opts['html_elements'] = array('html','head','title','body');
}
$washer = new washtml($wash_opts);
$washer->add_callback('form', 'rcmail_washtml_callback');
if ($p['safe']) { // allow CSS styles, will be sanitized by rcmail_washtml_callback()
$washer->add_callback('style', 'rcmail_washtml_callback');
}
$body = $washer->wash($html);
$REMOTE_OBJECTS = $washer->extlinks;
return $body;
}
// text/enriched
else if ($part->ctype_secondary=='enriched') {
$part->ctype_secondary = 'html';
return Q(enriched_to_html($part->body), 'show');
}
else
$body = $part->body;
/**** assert plaintext ****/
// 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)";
// search for patterns like links and e-mail addresses
$body = preg_replace($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[0]));
$line = substr($line, strlen($regs[0]));
if ($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); // htmlquote plaintext
}
// 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++)."}##";
}
/**
* Callback function for washtml cleaning class
*/
function rcmail_washtml_callback($tagname, $attrib, $content)
{
switch ($tagname) {
case 'form':
$out = html::div('form', $content);
break;
case 'style':
// decode all escaped entities and reduce to ascii strings
$stripped = preg_replace('/[^a-zA-Z\(:]/', '', rcmail_xss_entitiy_decode($content));
// now check for evil strings like expression, behavior or url()
if (!preg_match('/expression|behavior|url\(|import/', $stripped)) {
$out = html::tag('style', array('type' => 'text/css'), $content);
break;
}
default:
$out = '';
}
return $out;
}
/**
* return table with message headers
*/
function rcmail_message_headers($attrib, $headers=NULL)
{
global $IMAP, $OUTPUT, $MESSAGE, $PRINT_MODE, $CONFIG;
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) : $MESSAGE->headers;
// add empty subject if none exsists
if (empty($headers['subject']))
$headers['subject'] = rcube_label('nosubject');
$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
$standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'replyto', 'date');
foreach ($standard_headers as $hkey)
{
if (!$headers[$hkey])
continue;
if ($hkey == 'date')
{
if ($PRINT_MODE)
$header_value = format_date($headers[$hkey], $CONFIG['date_long'] ? $CONFIG['date_long'] : 'x');
else
$header_value = format_date($headers[$hkey]);
}
else if ($hkey == 'replyto')
{
if ($headers['replyto'] != $headers['from'])
$header_value = Q(rcmail_address_string($headers['replyto'], null, true, $attrib['addicon']), 'show');
else
continue;
}
else if (in_array($hkey, array('from', 'to', 'cc', 'bcc')))
$header_value = Q(rcmail_address_string($headers[$hkey], null, true, $attrib['addicon']), 'show');
else
$header_value = Q(trim($IMAP->decode_header($headers[$hkey])));
$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++;
}
// all headers division
$out .= "\n".'<tr><td colspan="2" class="more-headers show-headers"
onclick="return '.JS_OBJECT_NAME.'.command(\'load-headers\', \'\', this)"></td></tr>';
$out .= "\n".'<tr id="all-headers"><td colspan="2" class="all"><div id="headers-source"></div></td></tr>';
$OUTPUT->add_gui_object('all_headers_row', 'all-headers');
$OUTPUT->add_gui_object('all_headers_box', 'headers-source');
$out .= "\n</table>\n\n";
return $header_count ? $out : '';
}
/**
* Handler for the 'messagebody' GUI object
*
* @param array Named parameters
* @return string HTML content showing the message body
*/
function rcmail_message_body($attrib)
{
global $CONFIG, $OUTPUT, $MESSAGE, $IMAP, $REMOTE_OBJECTS;
if (!is_array($MESSAGE->parts) && empty($MESSAGE->body))
return '';
if (!$attrib['id'])
$attrib['id'] = 'rcmailMsgBody';
$safe_mode = $MESSAGE->is_safe || intval($_GET['_safe']);
$out = '';
$header_attrib = array();
foreach ($attrib as $attr => $value)
if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
$header_attrib[$regs[1]] = $value;
if (!empty($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 = $MESSAGE->get_part_content($part->mime_id);
$body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$CONFIG['prefer_html']));
if ($part->ctype_secondary == 'html')
$out .= html::div('message-htmlpart', rcmail_html4inline($body, $attrib['id']));
else
$out .= html::div('message-part', $body);
}
}
}
else
$out .= html::div('message-part', html::div('pre', Q($MESSAGE->body)));
$ctype_primary = strtolower($MESSAGE->structure->ctype_primary);
$ctype_secondary = strtolower($MESSAGE->structure->ctype_secondary);
// list images after mail body
if ($CONFIG['inline_images']
&& $ctype_primary == 'multipart'
&& !empty($MESSAGE->attachments)
&& !strstr($message_body, '<html'))
{
foreach ($MESSAGE->attachments as $attach_prop) {
if (strpos($attach_prop->mimetype, 'image/') === 0) {
$out .= html::tag('hr') . html::p(array('align' => "center"),
html::img(array(
'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
'title' => $attach_prop->filename,
'alt' => $attach_prop->filename,
)));
}
}
}
// tell client that there are blocked remote objects
if ($REMOTE_OBJECTS && !$safe_mode)
$OUTPUT->set_env('blockedobjects', true);
return html::div($attrib, $out);
}
/**
* modify a HTML message that it can be displayed inside a HTML page
*/
function rcmail_html4inline($body, $container_id)
{
$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 = $pos2;
}
// resolve <base href>
if ($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',
'/(<\?xml[^>]*>)/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)
{
$attrib = parse_attrib_string($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($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . ' />';
}
/**
* decode address string and re-format it as HTML links
*/
function rcmail_address_string($input, $max=null, $linked=false, $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, $part['mailto'])) {
if ($linked) {
$out .= html::a(array(
'href' => 'mailto:'.$part['mailto'],
'onclick' => sprintf("return %s.command('compose','%s',this)", JS_OBJECT_NAME, JQ($part['mailto'])),
'title' => $part['mailto'],
'class' => "rcmContactAddress",
),
Q($part['name']));
}
else {
$out .= html::span(array('title' => $part['mailto'], 'class' => "rcmContactAddress"), Q($part['name']));
}
if ($addicon) {
$out .= '&nbsp;' . html::a(array(
'href' => "#add",
'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, urlencode($part['string'])),
'title' => rcube_label('addtoaddressbook'),
),
html::img(array(
'src' => $CONFIG['skin_path'] . $addicon,
'alt' => "Add contact",
'border' => 0,
)));
}
}
else {
if ($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 $out;
}
/**
* Wrap text to a given number of characters per line
* but respect the mail quotation of replies messages (>)
*
* @param string Text to wrap
* @param int The line width
* @return string The wrapped text
*/
function rcmail_wrap_quoted($text, $max = 76)
{
// Rebuild the message body with a maximum of $max chars, while keeping quoted message.
$lines = preg_split('/\r?\n/', trim($text));
$out = '';
foreach ($lines as $line) {
if (strlen($line) > $max) {
if (preg_match('/^([>\s]+)/', $line, $regs)) {
$length = strlen($regs[0]);
$prefix = substr($line, 0, $length);
// Remove '> ' from the line, then wordwrap() the line
$line = wordwrap(substr($line, $length), $max - $length);
// Rebuild the line with '> ' at the beginning of each 'subline'
$newline = '';
foreach (explode("\n", $line) as $l) {
$newline .= $prefix . $l . "\n";
}
// Remove the righest newline char
$line = rtrim($newline);
}
else {
$line = wordwrap($line, $max);
}
}
// Append the line
$out .= $line . "\n";
}
return $out;
}
function rcmail_message_part_controls()
{
global $MESSAGE;
$part = asciiwords(get_input_value('_part', RCUBE_INPUT_GPC));
if (!is_object($MESSAGE) || !is_array($MESSAGE->parts) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE->mime_parts[$part])
return '';
$part = $MESSAGE->mime_parts[$part];
$table = new html_table(array('cols' => 3));
if (!empty($part->filename)) {
$table->add('title', Q(rcube_label('filename')));
$table->add(null, Q($part->filename));
$table->add(null, '[' . html::a('?'.str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']), Q(rcube_label('download'))) . ']');
}
if (!empty($part->size)) {
$table->add('title', Q(rcube_label('filesize')));
$table->add(null, Q(show_bytes($part->size)));
}
return $table->show($attrib);
}
function rcmail_message_part_frame($attrib)
{
global $MESSAGE;
$part = $MESSAGE->mime_parts[asciiwords(get_input_value('_part', RCUBE_INPUT_GPC))];
$ctype_primary = strtolower($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($_SESSION['compose']);
}
/**
* Send the given message compose object using the configured method
*/
function rcmail_deliver_message(&$message, $from, $mailto)
{
global $CONFIG;
$msg_body = $message->get();
$headers = $message->headers();
// send thru SMTP server using custom SMTP library
if ($CONFIG['smtp_server'])
{
// generate list of recipients
$a_recipients = array($mailto);
if (strlen($headers['Cc']))
$a_recipients[] = $headers['Cc'];
if (strlen($headers['Bcc']))
$a_recipients[] = $headers['Bcc'];
// clean Bcc from header for recipients
$send_headers = $headers;
unset($send_headers['Bcc']);
// here too, it because txtHeaders() below use $message->_headers not only $send_headers
unset($message->_headers['Bcc']);
// send message
$smtp_response = array();
$sent = smtp_mail($from, $a_recipients, ($foo = $message->txtHeaders($send_headers, true)), $msg_body, $smtp_response);
// log error
if (!$sent)
raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
}
// send mail using PHP's mail() function
else
{
// unset some headers because they will be added by the mail() function
$headers_enc = $message->headers($headers);
$headers_php = $message->_headers;
unset($headers_php['To'], $headers_php['Subject']);
// reset stored headers and overwrite
$message->_headers = array();
$header_str = $message->txtHeaders($headers_php);
if (ini_get('safe_mode'))
$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
else
$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
}
if ($sent)
{
// remove MDN headers after sending
unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
if ($CONFIG['smtp_log'])
write_log('sendmail', sprintf("[%s] User: %d on %s; Message for %s; %s",
date("d-M-Y H:i:s O", mktime()),
$_SESSION['user_id'],
$_SERVER['REMOTE_ADDR'],
$mailto,
!empty($smtp_response) ? join('; ', $smtp_response) : ''));
}
$message->_headers = array();
$message->headers($headers);
return $sent;
}
function rcmail_send_mdn($uid)
{
global $RCMAIL, $IMAP;
$message = new rcube_message($uid);
if ($message->headers->mdn_to && !$message->headers->mdn_sent && $IMAP->check_permflag('MDNSENT'))
{
$identity = $RCMAIL->user->get_identity();
$sender = format_email_recipient($identity['email'], $identity['name']);
$recipient = array_shift($IMAP->decode_address_list($message->headers->mdn_to));
$mailto = $recipient['mailto'];
$compose = new rcube_mail_mime($RCMAIL->config->header_delimiter());
$compose->setParam(array(
'text_encoding' => 'quoted-printable',
'html_encoding' => 'quoted-printable',
'head_encoding' => 'quoted-printable',
'head_charset' => RCMAIL_CHARSET,
'html_charset' => RCMAIL_CHARSET,
'text_charset' => RCMAIL_CHARSET,
));
// compose headers array
$headers = array(
'Date' => date('r'),
'From' => $sender,
'To' => $message->headers->mdn_to,
'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])),
'X-Sender' => $identity['email'],
'Content-Type' => 'multipart/report; report-type=disposition-notification',
);
if ($agent = $RCMAIL->config->get('useragent'))
$headers['User-Agent'] = $agent;
$body = rcube_label("yourmessage") . "\r\n\r\n" .
"\t" . rcube_label("to") . ': ' . rcube_imap::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" .
"\t" . rcube_label("subject") . ': ' . $message->subject . "\r\n" .
"\t" . rcube_label("sent") . ': ' . format_date($message->headers->date, $RCMAIL->config->get('date_long')) . "\r\n" .
"\r\n" . rcube_label("receiptnote") . "\r\n";
$ua = $RCMAIL->config->get('useragent', "RoundCube Webmail (Version ".RCMAIL_VERSION.")");
$report = "Reporting-UA: $ua\r\n";
if ($message->headers->to)
$report .= "Original-Recipient: {$message->headers->to}\r\n";
$report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
"Original-Message-ID: {$message->headers->messageID}\r\n" .
"Disposition: manual-action/MDN-sent-manually; displayed\r\n";
$compose->headers($headers);
$compose->setTXTBody(wordwrap($body, 75, "\r\n"));
$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
$sent = rcmail_deliver_message($compose, $identity['email'], $mailto);
if ($sent)
{
$IMAP->set_flag($message->uid, 'MDNSENT');
return true;
}
}
return false;
}
// register UI objects
$OUTPUT->add_handlers(array(
'mailboxlist' => 'rcmail_mailbox_list',
'messages' => 'rcmail_message_list',
'messagecountdisplay' => 'rcmail_messagecount_display',
'quotadisplay' => 'rcmail_quota_display',
'mailboxname' => 'rcmail_mailbox_name_display',
'messageheaders' => 'rcmail_message_headers',
'messagebody' => 'rcmail_message_body',
'messagecontentframe' => 'rcmail_messagecontent_frame',
'messagepartframe' => 'rcmail_message_part_frame',
'messagepartcontrols' => 'rcmail_message_part_controls',
'searchform' => array($OUTPUT, 'search_form'),
));
?>