From 0fcb2b139bf0c50dec3b82898434f203c21d847f Mon Sep 17 00:00:00 2001 From: Thomas Bruederli <thomas@roundcube.net> Date: Wed, 27 Mar 2013 12:05:54 -0400 Subject: [PATCH] Sanity check the file path for generic message footer before adding it --- program/steps/mail/sendmail.inc | 184 ++++++++++++++++++++++++++++++++-------------- 1 files changed, 128 insertions(+), 56 deletions(-) diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc index faaeddc..f24f207 100644 --- a/program/steps/mail/sendmail.inc +++ b/program/steps/mail/sendmail.inc @@ -18,9 +18,6 @@ +-----------------------------------------------------------------------+ | Author: Thomas Bruederli <roundcube@gmail.com> | +-----------------------------------------------------------------------+ - - $Id$ - */ // remove all scripts and act as called in frame @@ -52,7 +49,7 @@ if(!empty($CONFIG['sendmail_delay'])) { $wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($CONFIG['last_message_time']); - if($wait_sec < 0) { + if ($wait_sec < 0) { $OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1)); $OUTPUT->send('iframe'); } @@ -75,13 +72,19 @@ // get identity record function rcmail_get_identity($id) { - global $RCMAIL, $OUTPUT; + global $RCMAIL, $message_charset; + global $RCMAIL; if ($sql_arr = $RCMAIL->user->get_identity($id)) { $out = $sql_arr; + + if ($message_charset != RCMAIL_CHARSET) { + foreach ($out as $k => $v) + $out[$k] = rcube_charset_convert($v, RCMAIL_CHARSET, $message_charset); + } + $out['mailto'] = $sql_arr['email']; - $out['string'] = format_email_recipient($sql_arr['email'], - rcube_charset_convert($sql_arr['name'], RCMAIL_CHARSET, $OUTPUT->get_charset())); + $out['string'] = format_email_recipient($sql_arr['email'], $sql_arr['name']); return $out; } @@ -96,11 +99,10 @@ * to this: * * <img src="/path/on/server/.../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" /> - * ... */ -function rcmail_fix_emoticon_paths(&$mime_message) +function rcmail_fix_emoticon_paths($mime_message) { - global $CONFIG; + global $RCMAIL; $body = $mime_message->getHTMLBody(); @@ -125,8 +127,9 @@ if (! in_array($image_name, $included_images)) { // add the image to the MIME message - if (! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name)) - $OUTPUT->show_message("emoticonerror", 'error'); + if (!$mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name)) { + $RCMAIL->output->show_message("emoticonerror", 'error'); + } array_push($included_images, $image_name); } @@ -137,8 +140,53 @@ } $mime_message->setHTMLBody($body); +} - return $body; +/** + * Extract image attachments from HTML content (data URIs) + */ +function rcmail_extract_inline_images($mime_message, $from) +{ + $body = $mime_message->getHTMLBody(); + $offset = 0; + $list = array(); + $regexp = '# src=[\'"](data:(image/[a-z]+);base64,([a-z0-9+/=\r\n]+))([\'"])#i'; + + // get domain for the Content-ID, must be the same as in Mail_Mime::get() + if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $matches)) { + $domain = $matches[1]; + } else { + $domain = 'localhost'; + } + + if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) { + foreach ($matches[1] as $idx => $m) { + $data = preg_replace('/\r\n/', '', $matches[3][$idx][0]); + $data = base64_decode($data); + + if (empty($data)) { + continue; + } + + $hash = md5($data) . '@' . $domain; + $mime_type = $matches[2][$idx][0]; + $name = $list[$hash]; + + // add the image to the MIME message + if (!$name) { + $ext = preg_replace('#^[^/]+/#', '', $mime_type); + $name = substr($hash, 0, 8) . '.' . $ext; + $list[$hash] = $name; + + $mime_message->addHTMLImage($data, $mime_type, $name, false, $hash); + } + + $body = substr_replace($body, $name, $m[1] + $offset, strlen($m[0])); + $offset += strlen($name) - strlen($m[0]); + } + } + + $mime_message->setHTMLBody($body); } /** @@ -171,11 +219,11 @@ // address in brackets without name (do nothing) if (preg_match('/^<'.$email_regexp.'>$/', $item)) { $item = rcube_idn_to_ascii(trim($item, '<>')); - $result[] = '<' . $item . '>'; + $result[] = $item; // address without brackets and without name (add brackets) } else if (preg_match('/^'.$email_regexp.'$/', $item)) { $item = rcube_idn_to_ascii($item); - $result[] = '<' . $item . '>'; + $result[] = $item; // address with name (handle name) } else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) { $address = $matches[0]; @@ -207,6 +255,33 @@ } +function rcmail_generic_message_footer($isHtml) +{ + global $CONFIG; + + if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) { + $file = $CONFIG['generic_message_footer_html']; + $html_footer = true; + } + else { + $file = $CONFIG['generic_message_footer']; + $html_footer = false; + } + + if ($file && realpath($file)) { + // sanity check + if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) { + $footer = file_get_contents($file); + if ($isHtml && !$html_footer) + $footer = '<pre>' . $footer . '</pre>'; + return $footer; + } + } + + return false; +} + + /****** compose message ********/ if (strlen($_POST['_draft_saveid']) > 3) @@ -215,8 +290,7 @@ $message_id = rcmail_gen_message_id(); // set default charset -$input_charset = $OUTPUT->get_charset(); -$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset; +$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $OUTPUT->get_charset(); $EMAIL_FORMAT_ERROR = NULL; $RECIPIENT_COUNT = 0; @@ -317,7 +391,7 @@ if (!empty($mailbcc)) { $headers['Bcc'] = $mailbcc; } -if (!empty($identity_arr['bcc'])) { +if (!empty($identity_arr['bcc']) && stripos($headers['Bcc'], $identity_arr['bcc']) === false) { $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc']; $RECIPIENT_COUNT ++; } @@ -428,6 +502,7 @@ if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck'] && empty($COMPOSE['spell_checked']) && !empty($message_body) ) { + $message_body = str_replace("\r\n", "\n", $message_body); $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC)); $spell_result = $spellchecker->check($message_body, $isHtml); @@ -442,23 +517,27 @@ } // generic footer for all messages - if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) { - $footer = file_get_contents(realpath($CONFIG['generic_message_footer_html'])); - $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset); - } - else if (!empty($CONFIG['generic_message_footer'])) { - $footer = file_get_contents(realpath($CONFIG['generic_message_footer'])); + if ($footer = rcmail_generic_message_footer($isHtml)) { $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset); - if ($isHtml) - $footer = '<pre>'.$footer.'</pre>'; - } - - if ($footer) $message_body .= "\r\n" . $footer; + } } if ($isHtml) { $message_body .= "\r\n</body></html>\r\n"; +} + +// sort attachments to make sure the order is the same as in the UI (#1488423) +$files = get_input_value('_attachments', RCUBE_INPUT_POST); +if ($files) { + $files = explode(',', $files); + $files = array_flip($files); + foreach ($files as $idx => $val) { + $files[$idx] = $COMPOSE['attachments'][$idx]; + unset($COMPOSE['attachments'][$idx]); + } + + $COMPOSE['attachments'] = array_merge(array_filter($files), $COMPOSE['attachments']); } // set line length for body wrapping @@ -498,17 +577,12 @@ $plugin['body'] = rcmail_replace_emoticons($plugin['body']); // add a plain text version of the e-mail as an alternative part. - $h2t = new html2text($plugin['body'], false, true, 0); - $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n"); + $h2t = new rcube_html2text($plugin['body'], false, true, 0, $message_charset); + $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n", false, $message_charset); $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true); - if (!$plainTextPart) { - // empty message body breaks attachment handling in drafts - $plainTextPart = "\r\n"; - } - else { - // make sure all line endings are CRLF (#1486712) - $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart); - } + + // make sure all line endings are CRLF (#1486712) + $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart); $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body', array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME)); @@ -517,7 +591,10 @@ // look for "emoticon" images from TinyMCE and change their src paths to // be file paths on the server instead of URL paths. - $message_body = rcmail_fix_emoticon_paths($MAIL_MIME); + rcmail_fix_emoticon_paths($MAIL_MIME); + + // Extract image Data URIs into message attachments (#1488502) + rcmail_extract_inline_images($MAIL_MIME, $from); } else { $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body', @@ -526,16 +603,12 @@ $message_body = $plugin['body']; // compose format=flowed content if enabled - if ($flowed = $RCMAIL->config->get('send_format_flowed', true)) - $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79)); + if ($flowed = ($savedraft || $RCMAIL->config->get('send_format_flowed', true))) + $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79), $message_charset); else - $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n"); + $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n", false, $message_charset); $message_body = wordwrap($message_body, 998, "\r\n", true); - if (!strlen($message_body)) { - // empty message body breaks attachment handling in drafts - $message_body = "\r\n"; - } $MAIL_MIME->setTXTBody($message_body, false, true); } @@ -562,13 +635,12 @@ $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914 $file = $attachment['data'] ? $attachment['data'] : $attachment['path']; - // .eml attachments send inline $MAIL_MIME->addAttachment($file, $ctype, $attachment['name'], ($attachment['data'] ? false : true), ($ctype == 'message/rfc822' ? '8bit' : 'base64'), - ($ctype == 'message/rfc822' ? 'inline' : 'attachment'), + 'attachment', '', '', '', $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL, $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL, @@ -621,19 +693,18 @@ $smtp_error, $mailbody_file, $smtp_opts); // return to compose page if sending failed - if (!$sent) - { + if (!$sent) { // remove temp file if ($mailbody_file) { unlink($mailbody_file); - } + } if ($smtp_error) $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']); else $OUTPUT->show_message('sendingfailed', 'error'); $OUTPUT->send('iframe'); - } + } // save message sent time if (!empty($CONFIG['sendmail_delay'])) @@ -651,7 +722,7 @@ // Determine which folder to save message if ($savedraft) $store_target = $CONFIG['drafts_mbox']; -else +else if (!$RCMAIL->config->get('no_save_sent_messages')) $store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox']; if ($store_target) { @@ -691,7 +762,8 @@ 'message' => "Could not create message: ".$msg->getMessage()), TRUE, FALSE); else { - $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers, $mailbody_file ? true : false); + $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers, + $mailbody_file ? true : false, array('SEEN')); } if ($mailbody_file) { @@ -766,6 +838,6 @@ if ($store_folder && !$saved) $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent')); else - $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent')); + $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'), $store_target); $OUTPUT->send('iframe'); } -- Gitblit v1.9.1