From 9287ed36b368f2c41d02293b781bb061a6875eef Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 11 Sep 2012 03:15:24 -0400
Subject: [PATCH] - Replace data URIs of images (pasted in HTML editor) with inline attachments (#1488502)
---
CHANGELOG | 1 +
program/steps/mail/sendmail.inc | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 52 insertions(+), 4 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
index 1d2225a..f3960e6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
CHANGELOG Roundcube Webmail
===========================
+- Replace data URIs of images (pasted in HTML editor) with inline attachments (#1488502)
- Fix PLAIN authentication for some IMAP servers (#1488674)
- Fix encoding vCard file when contains PHOTO;ENCODING=b (#1488683)
- Fix focus issue in IE when selecting message row (#1488620)
diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index 5777517..5c2c6de 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -93,9 +93,8 @@
* 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;
@@ -134,8 +133,53 @@
}
$mime_message->setHTMLBody($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);
}
/**
@@ -522,7 +566,10 @@
// 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',
--
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