From ddfdd8938d78b40842a984d310e3c35af30ece0a Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <bruederli@kolabsys.com>
Date: Thu, 25 Apr 2013 07:01:13 -0400
Subject: [PATCH] Extend fetched header block to 32K, require one of subjct, from or to headers
---
program/lib/Roundcube/rcube_message.php | 178 ++++++++++++++++++++++++++++++++++-------------------------
1 files changed, 102 insertions(+), 76 deletions(-)
diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index 08b94d8..9db1fa3 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -85,15 +85,16 @@
$this->headers = $this->storage->get_message($uid);
- if (!$this->headers)
+ if (!$this->headers) {
return;
+ }
$this->mime = new rcube_mime($this->headers->charset);
- $this->subject = $this->mime->decode_mime_string($this->headers->subject);
+ $this->subject = $this->headers->get('subject');
list(, $this->sender) = each($this->mime->decode_address_list($this->headers->from, 1));
- $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]));
+ $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$this->folder.':'.$uid]));
$this->opt = array(
'safe' => $this->is_safe,
'prefer_html' => $this->app->config->get('prefer_html'),
@@ -106,7 +107,6 @@
if (!empty($this->headers->structure)) {
$this->get_mime_numbers($this->headers->structure);
$this->parse_structure($this->headers->structure);
- $this->parse_attachments();
}
else {
$this->body = $this->storage->get_body($uid);
@@ -126,15 +126,11 @@
*/
public function get_header($name, $raw = false)
{
- if (empty($this->headers))
+ 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);
+ return $this->headers->get($name, !$raw);
}
@@ -145,8 +141,7 @@
*/
public function set_safe($safe = true)
{
- $this->is_safe = $safe;
- $_SESSION['safe_messages'][$this->uid] = $this->is_safe;
+ $_SESSION['safe_messages'][$this->folder.':'.$this->uid] = $this->is_safe = $safe;
}
@@ -154,12 +149,13 @@
* Compose a valid URL for getting a message part
*
* @param string $mime_id Part MIME-ID
+ * @param mixed $embed Mimetype class for parts to be embedded
* @return string URL or false if part does not exist
*/
public function get_part_url($mime_id, $embed = false)
{
if ($this->mime_parts[$mime_id])
- return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : '');
+ return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1&_mimeclass=' . $embed : '');
else
return false;
}
@@ -195,39 +191,82 @@
/**
- * Determine if the message contains a HTML part
+ * Determine if the message contains a HTML part. This must to be
+ * a real part not an attachment (or its part)
+ * This must to be
+ * a real part not an attachment (or its part)
*
- * @param bool $recursive Enables checking in all levels of the structure
- * @param bool $enriched Enables checking for text/enriched parts too
+ * @param bool $enriched Enables checking for text/enriched parts too
*
* @return bool True if a HTML is available, False if not
*/
- function has_html_part($recursive = true, $enriched = false)
+ function has_html_part($enriched = false)
{
// check all message parts
- foreach ($this->parts as $part) {
+ foreach ($this->mime_parts as $part) {
if ($part->mimetype == 'text/html' || ($enriched && $part->mimetype == 'text/enriched')) {
- // Level check, we'll skip e.g. HTML attachments
- if (!$recursive) {
- $level = explode('.', $part->mime_id);
+ // Skip if part is an attachment, don't use is_attachment() here
+ if ($part->filename) {
+ continue;
+ }
- // Skip if level too deep or part has a file name
- if (count($level) > 2 || $part->filename) {
- continue;
+ $level = explode('.', $part->mime_id);
+
+ // Check if the part belongs to higher-level's alternative/related
+ while (array_pop($level) !== null) {
+ if (!count($level)) {
+ return true;
}
- // HTML part can be on the lower level, if not...
- if (count($level) > 1) {
- array_pop($level);
- $parent = $this->mime_parts[join('.', $level)];
- // ... parent isn't multipart/alternative or related
- if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
- continue;
- }
+ $parent = $this->mime_parts[join('.', $level)];
+ if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
+ continue 2;
}
}
- return true;
+ if ($part->size) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+
+ /**
+ * Determine if the message contains a text/plain part. This must to be
+ * a real part not an attachment (or its part)
+ *
+ * @return bool True if a plain text part is available, False if not
+ */
+ function has_text_part()
+ {
+ // check all message parts
+ foreach ($this->mime_parts as $part) {
+ if ($part->mimetype == 'text/plain') {
+ // Skip if part is an attachment, don't use is_attachment() here
+ if ($part->filename) {
+ continue;
+ }
+
+ $level = explode('.', $part->mime_id);
+
+ // Check if the part belongs to higher-level's alternative/related
+ while (array_pop($level) !== null) {
+ if (!count($level)) {
+ return true;
+ }
+
+ $parent = $this->mime_parts[join('.', $level)];
+ if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
+ continue 2;
+ }
+ }
+
+ if ($part->size) {
+ return true;
+ }
}
}
@@ -272,7 +311,7 @@
$out = $this->get_part_content($mime_id);
// create instance of html2text class
- $txt = new html2text($out);
+ $txt = new rcube_html2text($out);
return $txt->get_text();
}
}
@@ -322,8 +361,8 @@
$mimetype = $structure->real_mimetype;
// parse headers from message/rfc822 part
- if (!isset($structure->headers['subject'])) {
- list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 4096));
+ if (!isset($structure->headers['subject']) && !isset($structure->headers['from'])) {
+ list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 32768));
$structure->headers = rcube_mime::parse_headers($headers);
}
}
@@ -331,7 +370,8 @@
$mimetype = $structure->mimetype;
// show message headers
- if ($recursive && is_array($structure->headers) && isset($structure->headers['subject'])) {
+ if ($recursive && is_array($structure->headers) &&
+ (isset($structure->headers['subject']) || $structure->headers['from'] || $structure->headers['to'])) {
$c = new stdClass;
$c->type = 'headers';
$c->headers = $structure->headers;
@@ -351,15 +391,22 @@
// print body if message doesn't have multiple parts
if ($message_ctype_primary == 'text' && !$recursive) {
+ // parts with unsupported type add to attachments list
+ if (!in_array($message_ctype_secondary, array('plain', 'html', 'enriched'))) {
+ $this->attachments[] = $structure;
+ return;
+ }
+
$structure->type = 'content';
$this->parts[] = $structure;
// Parse simple (plain text) message body
- if ($message_ctype_secondary == 'plain')
+ if ($message_ctype_secondary == 'plain') {
foreach ((array)$this->uu_decode($structure) as $uupart) {
$this->mime_parts[$uupart->mime_id] = $uupart;
$this->attachments[] = $uupart;
}
+ }
}
// the same for pgp signed messages
else if ($mimetype == 'application/pgp' && !$recursive) {
@@ -379,7 +426,7 @@
// get html/plaintext parts, other add to attachments list
foreach ($structure->parts as $p => $sub_part) {
$sub_mimetype = $sub_part->mimetype;
- $is_multipart = in_array($sub_mimetype, array('multipart/related', 'multipart/mixed', 'multipart/alternative'));
+ $is_multipart = preg_match('/^multipart\/(related|relative|mixed|alternative)/', $sub_mimetype);
// skip empty text parts
if (!$sub_part->size && !$is_multipart) {
@@ -438,14 +485,6 @@
$this->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->mimetype = 'text/html';
-
- $this->attachments[] = $html_part;
- }
-
// add unsupported/unrecognized parts to attachments list
if ($attach_part) {
$this->attachments[] = $structure->parts[$attach_part];
@@ -459,6 +498,17 @@
$p->ctype_secondary = 'plain';
$p->mimetype = 'text/plain';
$p->realtype = 'multipart/encrypted';
+
+ $this->parts[] = $p;
+ }
+ // this is an S/MIME ecrypted message -> create a plaintext body with the according message
+ else if ($mimetype == 'application/pkcs7-mime') {
+ $p = new stdClass;
+ $p->type = 'content';
+ $p->ctype_primary = 'text';
+ $p->ctype_secondary = 'plain';
+ $p->mimetype = 'text/plain';
+ $p->realtype = 'application/pkcs7-mime';
$this->parts[] = $p;
}
@@ -519,10 +569,6 @@
if (!empty($mail_part->filename)) {
$this->attachments[] = $mail_part;
}
- // list html part as attachment (here the part is most likely inside a multipart/related part)
- else if ($this->parse_alternative && ($secondary_type == 'html' && !$this->opt['prefer_html'])) {
- $this->attachments[] = $mail_part;
- }
}
// part message/*
else if ($primary_type == 'message') {
@@ -554,7 +600,7 @@
continue;
// part belongs to a related message and is linked
- if ($mimetype == 'multipart/related'
+ if (preg_match('/^multipart\/(related|relative)/', $mimetype)
&& ($mail_part->headers['content-id'] || $mail_part->headers['content-location'])) {
if ($mail_part->headers['content-id'])
$mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
@@ -593,13 +639,13 @@
}
// if this was a related part try to resolve references
- if ($mimetype == 'multipart/related' && sizeof($this->inline_parts)) {
+ if (preg_match('/^multipart\/(related|relative)/', $mimetype) && sizeof($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, true);
- if ($inline_object->content_id)
+ $part_url = $this->get_part_url($inline_object->mime_id, $inline_object->ctype_primary);
+ if (isset($inline_object->content_id))
$a_replaces['cid:'.$inline_object->content_id] = $part_url;
if ($inline_object->content_location) {
$a_replaces[$inline_object->content_location] = $part_url;
@@ -639,26 +685,6 @@
// message is a single part non-text (without filename)
else if (preg_match('/application\//i', $mimetype)) {
$this->attachments[] = $structure;
- }
- }
-
-
- /**
- * Parse attachment parts
- */
- private function parse_attachments()
- {
- // Attachment must have a name
- foreach ($this->attachments as $attachment) {
- if (!$attachment->filename) {
- $ext = rcube_mime::get_mime_extensions($attachment->mimetype);
- $ext = array_shift($ext);
-
- $attachment->filename = 'Part_' . $attachment->mime_id;
- if ($ext) {
- $attachment->filename .= '.' . $ext;
- }
- }
}
}
--
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