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<?php
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/*
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+-----------------------------------------------------------------------+
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| program/steps/mail/get.inc |
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2005-2009, The Roundcube Dev Team |
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| Licensed under the GNU GPL |
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| PURPOSE: |
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| Delivering a specific part of a mail message |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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// show loading page
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if (!empty($_GET['_preload'])) {
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$url = str_replace('&_preload=1', '', $_SERVER['REQUEST_URI']);
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$message = rcube_label('loadingdata');
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header('Content-Type: text/html; charset=' . RCMAIL_CHARSET);
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print "<html>\n<head>\n"
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. '<meta http-equiv="refresh" content="0; url='.Q($url).'">' . "\n"
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. '<meta http-equiv="content-type" content="text/html; charset='.RCMAIL_CHARSET.'">' . "\n"
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. "</head>\n<body>\n$message\n</body>\n</html>";
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exit;
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}
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ob_end_clean();
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// Now we need IMAP connection
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if (!$RCMAIL->imap_connect()) {
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// Get action is often executed simultanously.
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// Some servers have MAXPERIP or other limits.
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// To workaround this we'll wait for some time
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// and try again (once).
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// Note: Random sleep interval is used to minimize concurency
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// in getting message parts
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if (!isset($_GET['_redirected'])) {
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usleep(rand(10,30)*100000); // 1-3 sec.
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header('Location: ' . $_SERVER['REQUEST_URI'] . '&_redirected=1');
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}
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else {
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raise_error(array(
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'code' => 500, 'type' => 'php',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => 'Unable to get/display message part. IMAP connection error'),
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true, true);
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}
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// Don't kill session, just quit (#1486995)
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exit;
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}
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// similar code as in program/steps/mail/show.inc
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if (!empty($_GET['_uid'])) {
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$RCMAIL->config->set('prefer_html', true);
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$MESSAGE = new rcube_message(get_input_value('_uid', RCUBE_INPUT_GET));
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}
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send_nocacheing_headers();
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// show part page
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if (!empty($_GET['_frame'])) {
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$OUTPUT->send('messagepart');
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exit;
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}
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else if ($pid = get_input_value('_part', RCUBE_INPUT_GET)) {
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if ($part = $MESSAGE->mime_parts[$pid]) {
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$ctype_primary = strtolower($part->ctype_primary);
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$ctype_secondary = strtolower($part->ctype_secondary);
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$mimetype = sprintf('%s/%s', $ctype_primary, $ctype_secondary);
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// allow post-processing of the message body
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$plugin = $RCMAIL->plugins->exec_hook('message_part_get',
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array('id' => $part->mime_id, 'mimetype' => $mimetype, 'part' => $part, 'download' => !empty($_GET['_download'])));
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if ($plugin['abort'])
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exit;
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// overwrite modified vars from plugin
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$mimetype = $plugin['mimetype'];
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list($ctype_primary, $ctype_secondary) = explode('/', $mimetype);
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if ($plugin['body'])
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$part->body = $plugin['body'];
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$browser = $RCMAIL->output->browser;
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// send download headers
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if ($plugin['download']) {
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header("Content-Type: application/octet-stream");
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if ($browser->ie)
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header("Content-Type: application/force-download");
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}
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else if ($ctype_primary == 'text') {
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header("Content-Type: text/$ctype_secondary; charset=" . ($part->charset ? $part->charset : RCMAIL_CHARSET));
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}
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else {
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$mimetype = rcmail_fix_mimetype($mimetype);
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header("Content-Type: $mimetype");
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header("Content-Transfer-Encoding: binary");
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}
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// deliver part content
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if ($ctype_primary == 'text' && $ctype_secondary == 'html' && empty($plugin['download'])) {
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// get part body if not available
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if (!$part->body)
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$part->body = $MESSAGE->get_part_content($part->mime_id);
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$OUTPUT = new rcube_html_page();
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$OUTPUT->write(rcmail_print_body($part, array('safe' => $MESSAGE->is_safe, 'inline_html' => false)));
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}
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else {
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// don't kill the connection if download takes more than 30 sec.
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@set_time_limit(0);
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$filename = $part->filename ? $part->filename : ($MESSAGE->subject ? $MESSAGE->subject : 'roundcube') . '.'.$ctype_secondary;
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$filename = preg_replace('[\r\n]', '', $filename);
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if ($browser->ie && $browser->ver < 7)
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$filename = rawurlencode(abbreviate_string($filename, 55));
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else if ($browser->ie)
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$filename = rawurlencode($filename);
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else
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$filename = addcslashes($filename, '"');
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$disposition = !empty($plugin['download']) ? 'attachment' : 'inline';
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header("Content-Disposition: $disposition; filename=\"$filename\"");
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// turn off output buffering and print part content
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if ($part->body)
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echo $part->body;
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else if ($part->size)
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$IMAP->get_message_part($MESSAGE->uid, $part->mime_id, $part, true);
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}
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exit;
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}
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}
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// print message
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else {
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// send correct headers for content type
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header("Content-Type: text/html");
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$cont = "<html>\n<head><title></title>\n</head>\n<body>";
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$cont .= rcmail_message_body(array());
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$cont .= "\n</body>\n</html>";
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$OUTPUT = new rcube_html_page();
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$OUTPUT->write($cont);
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exit;
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}
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// if we arrive here, the requested part was not found
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header('HTTP/1.1 404 Not Found');
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exit;
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