From e86a21bd83a0ae6cadfe9c919582951f306d3b64 Mon Sep 17 00:00:00 2001 From: alecpl <alec@alec.pl> Date: Fri, 06 Jan 2012 05:55:07 -0500 Subject: [PATCH] - Fix typo in timezone handling, more exception catching --- program/include/rcube_message.php | 243 ++++++++++++++++++++++++++++-------------------- 1 files changed, 143 insertions(+), 100 deletions(-) diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php index ded019c..d05b57a 100644 --- a/program/include/rcube_message.php +++ b/program/include/rcube_message.php @@ -4,8 +4,8 @@ +-----------------------------------------------------------------------+ | program/include/rcube_message.php | | | - | This file is part of the RoundCube Webmail client | - | Copyright (C) 2008-2010, RoundCube Dev. - Switzerland | + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2008-2010, The Roundcube Dev Team | | Licensed under the GNU GPL | | | | PURPOSE: | @@ -29,22 +29,39 @@ */ class rcube_message { + /** + * Instace of rcmail. + * + * @var rcmail + */ private $app; + + /** + * Instance of imap class + * + * @var rcube_imap + */ private $imap; + + /** + * Instance of mime class + * + * @var rcube_mime + */ + private $mime; private $opt = array(); private $inline_parts = array(); private $parse_alternative = false; - + public $uid = null; public $headers; - public $structure; public $parts = array(); public $mime_parts = array(); public $attachments = array(); public $subject = ''; public $sender = null; public $is_safe = false; - + /** * __construct @@ -53,26 +70,24 @@ * * @param string $uid The message UID. * - * @uses rcmail::get_instance() - * @uses rcube_imap::decode_mime_string() - * @uses self::set_safe() - * * @see self::$app, self::$imap, self::$opt, self::$structure */ function __construct($uid) { - $this->app = rcmail::get_instance(); + $this->uid = $uid; + $this->app = rcmail::get_instance(); $this->imap = $this->app->imap; + $this->imap->get_all_headers = true; - $this->uid = $uid; - $this->headers = $this->imap->get_headers($uid, NULL, true, true); + $this->headers = $this->imap->get_message($uid); if (!$this->headers) return; - $this->subject = rcube_imap::decode_mime_string( - $this->headers->subject, $this->headers->charset); - list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from)); + $this->mime = new rcube_mime($this->headers->charset); + + $this->subject = $this->mime->decode_mime_string($this->headers->subject); + list(, $this->sender) = each($this->mime->decode_address_list($this->headers->from, 1)); $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid])); $this->opt = array( @@ -82,9 +97,9 @@ '_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid)) ); - if ($this->structure = $this->imap->get_structure($uid, $this->headers->body_structure)) { - $this->get_mime_numbers($this->structure); - $this->parse_structure($this->structure); + if (!empty($this->headers->structure)) { + $this->get_mime_numbers($this->headers->structure); + $this->parse_structure($this->headers->structure); } else { $this->body = $this->imap->get_body($uid); @@ -93,26 +108,33 @@ // notify plugins and let them analyze this structured message object $this->app->plugins->exec_hook('message_load', array('object' => $this)); } - - + + /** * Return a (decoded) message header * - * @param string Header name - * @param bool Don't mime-decode the value + * @param string $name Header name + * @param bool $row Don't mime-decode the value * @return string Header value */ public function get_header($name, $raw = false) { - $value = $this->headers->$name; - return $raw ? $value : $this->imap->decode_header($value); + if (empty($this->headers)) + return null; + + if ($this->headers->$name) + $value = $this->headers->$name; + else if ($this->headers->others[$name]) + $value = $this->headers->others[$name]; + + return $raw ? $value : $this->mime->decode_header($value); } - + /** * Set is_safe var and session data * - * @param bool enable/disable + * @param bool $safe enable/disable */ public function set_safe($safe = true) { @@ -124,13 +146,13 @@ /** * Compose a valid URL for getting a message part * - * @param string Part MIME-ID + * @param string $mime_id Part MIME-ID * @return string URL or false if part does not exist */ - public function get_part_url($mime_id) + public function get_part_url($mime_id, $embed = false) { if ($this->mime_parts[$mime_id]) - return $this->opt['get_url'] . '&_part=' . $mime_id; + return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : ''); else return false; } @@ -139,8 +161,8 @@ /** * Get content of a specific part of this message * - * @param string Part MIME-ID - * @param resource File pointer to save the message part + * @param string $mime_id Part MIME-ID + * @param resource $fp File pointer to save the message part * @return string Part content */ public function get_part_content($mime_id, $fp=NULL) @@ -198,43 +220,37 @@ /** * Return the first text part of this message * + * @param rcube_message_part $part Reference to the part if found * @return string Plain text message/part content */ - function first_text_part() + function first_text_part(&$part=null) { // no message structure, return complete body if (empty($this->parts)) return $this->body; - - $out = null; // check all message parts foreach ($this->mime_parts as $mime_id => $part) { $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary; if ($mimetype == 'text/plain') { - $out = $this->imap->get_message_part($this->uid, $mime_id, $part); - - // re-format format=flowed content - if ($part->ctype_secondary == 'plain' && $part->ctype_parameters['format'] == 'flowed') - $out = self::unfold_flowed($out); - break; + return $this->imap->get_message_part($this->uid, $mime_id, $part); } else if ($mimetype == 'text/html') { - $html_part = $this->imap->get_message_part($this->uid, $mime_id, $part); + $out = $this->imap->get_message_part($this->uid, $mime_id, $part); // remove special chars encoding $trans = array_flip(get_html_translation_table(HTML_ENTITIES)); - $html_part = strtr($html_part, $trans); + $out = strtr($out, $trans); // create instance of html2text class - $txt = new html2text($html_part); - $out = $txt->get_text(); - break; + $txt = new html2text($out); + return $txt->get_text(); } } - return $out; + $part = null; + return null; } @@ -242,8 +258,8 @@ * Raad the message structure returend by the IMAP server * and build flat lists of content parts and attachments * - * @param object rcube_message_part Message structure node - * @param bool True when called recursively + * @param rcube_message_part $structure Message structure node + * @param bool $recursive True when called recursively */ private function parse_structure($structure, $recursive = false) { @@ -276,7 +292,7 @@ if ($message_ctype_primary == 'text' && !$recursive) { $structure->type = 'content'; $this->parts[] = &$structure; - + // Parse simple (plain text) message body if ($message_ctype_secondary == 'plain') foreach ((array)$this->uu_decode($structure) as $uupart) { @@ -289,14 +305,16 @@ $structure->type = 'content'; $this->parts[] = &$structure; } - // message contains alternative parts - else if ($mimetype == 'multipart/alternative' && is_array($structure->parts)) { + // message contains (more than one!) alternative parts + else if ($mimetype == 'multipart/alternative' + && is_array($structure->parts) && count($structure->parts) > 1 + ) { // get html/plaintext parts $plain_part = $html_part = $print_part = $related_part = null; foreach ($structure->parts as $p => $sub_part) { $sub_mimetype = $sub_part->mimetype; - + // check if sub part is if ($sub_mimetype == 'text/plain') $plain_part = $p; @@ -313,7 +331,7 @@ $this->parse_alternative = true; $this->parse_structure($structure->parts[$related_part], true); $this->parse_alternative = false; - + // if plain part was found, we should unset it if html is preferred if ($this->opt['prefer_html'] && count($this->parts)) $plain_part = null; @@ -363,6 +381,8 @@ $p->ctype_secondary = 'plain'; $p->body = rcube_label('encryptedmessage'); $p->size = strlen($p->body); + + $this->parts[] = $p; } // message contains multiple parts else if (is_array($structure->parts) && !empty($structure->parts)) { @@ -389,10 +409,25 @@ if ($part_orig_mimetype == 'message/rfc822' && !empty($mail_part->filename)) $this->attachments[] = $mail_part; } - // part text/[plain|html] OR message/delivery-status + // part text/[plain|html] or delivery status else if ((($part_mimetype == 'text/plain' || $part_mimetype == 'text/html') && $mail_part->disposition != 'attachment') || - $part_mimetype == 'message/delivery-status' || $part_mimetype == 'message/disposition-notification' + in_array($part_mimetype, array('message/delivery-status', 'text/rfc822-headers', 'message/disposition-notification')) ) { + // Allow plugins to handle also this part + $plugin = $this->app->plugins->exec_hook('message_part_structure', + array('object' => $this, 'structure' => $mail_part, + 'mimetype' => $part_mimetype, 'recursive' => true)); + + if ($plugin['abort']) + continue; + + if ($part_mimetype == 'text/html') { + $got_html_part = true; + } + + $mail_part = $plugin['structure']; + list($primary_type, $secondary_type) = explode('/', $plugin['mimetype']); + // add text part if it matches the prefs if (!$this->parse_alternative || ($secondary_type == 'html' && $this->opt['prefer_html']) || @@ -401,13 +436,13 @@ $mail_part->type = 'content'; $this->parts[] = $mail_part; } - + // list as attachment as well if (!empty($mail_part->filename)) $this->attachments[] = $mail_part; } // part message/* - else if ($primary_type=='message') { + else if ($primary_type == 'message') { $this->parse_structure($mail_part, true); // list as attachment as well (mostly .eml) @@ -427,7 +462,9 @@ } // part is a file/attachment else if (preg_match('/^(inline|attach)/', $mail_part->disposition) || - $mail_part->headers['content-id'] || (empty($mail_part->disposition) && $mail_part->filename) + $mail_part->headers['content-id'] || + ($mail_part->filename && + (empty($mail_part->disposition) || preg_match('/^[a-z0-9!#$&.+^_-]+$/i', $mail_part->disposition))) ) { // skip apple resource forks if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile') @@ -446,26 +483,65 @@ // attachment encapsulated within message/rfc822 part needs further decoding (#1486743) else if ($part_orig_mimetype == 'message/rfc822') { $this->parse_structure($mail_part, true); + + // list as attachment as well (mostly .eml) + if (!empty($mail_part->filename)) + $this->attachments[] = $mail_part; } - // is a regular attachment - else if (preg_match('!^[a-z0-9-.+]+/[a-z0-9-.+]+$!i', $part_mimetype)) { + // regular attachment with valid content type + // (content-type name regexp according to RFC4288.4.2) + else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[a-z0-9!#$&.+^_-]+$/i', $part_mimetype)) { if (!$mail_part->filename) $mail_part->filename = 'Part '.$mail_part->mime_id; + $this->attachments[] = $mail_part; } + // attachment with invalid content type + // replace malformed content type with application/octet-stream (#1487767) + else if ($mail_part->filename) { + $mail_part->ctype_primary = 'application'; + $mail_part->ctype_secondary = 'octet-stream'; + $mail_part->mimetype = 'application/octet-stream'; + + $this->attachments[] = $mail_part; + } + } + // attachment part as message/rfc822 (#1488026) + else if ($mail_part->mimetype == 'message/rfc822') { + $this->parse_structure($mail_part); } } // if this was a related part try to resolve references if ($mimetype == 'multipart/related' && sizeof($this->inline_parts)) { $a_replaces = array(); + $img_regexp = '/^image\/(gif|jpe?g|png|tiff|bmp|svg)/'; foreach ($this->inline_parts as $inline_object) { - $part_url = $this->get_part_url($inline_object->mime_id); + $part_url = $this->get_part_url($inline_object->mime_id, true); if ($inline_object->content_id) $a_replaces['cid:'.$inline_object->content_id] = $part_url; - if ($inline_object->content_location) + if ($inline_object->content_location) { $a_replaces[$inline_object->content_location] = $part_url; + } + + if (!empty($inline_object->filename)) { + // MS Outlook sends sometimes non-related attachments as related + // In this case multipart/related message has only one text part + // We'll add all such attachments to the attachments list + if (!isset($got_html_part) && empty($inline_object->content_id)) { + $this->attachments[] = $inline_object; + } + // MS Outlook sometimes also adds non-image attachments as related + // We'll add all such attachments to the attachments list + // Warning: some browsers support pdf in <img/> + else if (!preg_match($img_regexp, $inline_object->mimetype)) { + $this->attachments[] = $inline_object; + } + // @TODO: we should fetch HTML body and find attachment's content-id + // to handle also image attachments without reference in the body + // @TODO: should we list all image attachments in text mode? + } } // add replace array to each content part @@ -491,7 +567,7 @@ /** * Fill aflat array with references to all parts, indexed by part numbers * - * @param object rcube_message_part Message body structure + * @param rcube_message_part $part Message body structure */ private function get_mime_numbers(&$part) { @@ -507,7 +583,8 @@ /** * Decode a Microsoft Outlook TNEF part (winmail.dat) * - * @param object rcube_message_part Message part to decode + * @param rcube_message_part $part Message part to decode + * @return array */ function tnef_decode(&$part) { @@ -542,7 +619,8 @@ /** * Parse message body for UUencoded attachments bodies * - * @param object rcube_message_part Message part to decode + * @param rcube_message_part $part Message part to decode + * @return array */ function uu_decode(&$part) { @@ -583,39 +661,4 @@ return $parts; } - - - /** - * Interpret a format=flowed message body according to RFC 2646 - * - * @param string Raw body formatted as flowed text - * @return string Interpreted text with unwrapped lines and stuffed space removed - */ - public static function unfold_flowed($text) - { - return preg_replace( - array('/-- (\r?\n)/', '/^ /m', '/(.) \r?\n/', '/--%SIGEND%(\r?\n)/'), - array('--%SIGEND%\\1', '', '\\1 ', '-- \\1'), - $text); - } - - - /** - * Wrap the given text to comply with RFC 2646 - */ - public static function format_flowed($text, $length = 72) - { - $out = ''; - - foreach (preg_split('/\r?\n/', trim($text)) as $line) { - // don't wrap quoted lines (to avoid wrapping problems) - if ($line[0] != '>') - $line = rc_wordwrap(rtrim($line), $length - 1, " \r\n"); - - $out .= $line . "\r\n"; - } - - return $out; - } - } -- Gitblit v1.9.1