From 521bea4bd8f2e462df3cf79fa5f2230a00e1115c Mon Sep 17 00:00:00 2001
From: prashant <prashant@jois.ca>
Date: Tue, 23 Jun 2015 18:09:14 -0400
Subject: [PATCH] Merge branch 'master' of https://github.com/roundcube/roundcubemail

---
 program/lib/Roundcube/rcube_smtp.php                      |   12 
 CHANGELOG                                                 |    4 
 Dockerfile                                                |    4 
 plugins/filesystem_attachments/filesystem_attachments.php |    6 
 program/steps/mail/compose.inc                            |  349 ++++++++++++++++++++------------------
 skins/larry/settings.css                                  |    1 
 program/lib/Roundcube/rcube_message.php                   |   65 ++++---
 tests/Framework/Html2text.php                             |   30 +++
 composer.json-dist                                        |   12 -
 plugins/redundant_attachments/redundant_attachments.php   |    2 
 program/lib/Roundcube/rcube_html2text.php                 |    9 
 11 files changed, 275 insertions(+), 219 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index d0aee48..c838f49 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -16,6 +16,10 @@
 - Fix bug where some messages in multi-folder search couldn't be opened (#1490426)
 - Fix unintentional messages list page change on page switch in compose addressbook (#1490427)
 - Fix race-condition in saving user preferences and loading plugin config (#1490431)
+- Fix so plain text signature field uses monospace font (#1490435)
+- Fix so links with href == content aren't added to links list on html to text conversion (#1490434)
+- Fix handling of non-break spaces in html to text conversion (#1490436)
+- Fix self-reply detection issues (#1490439)
 
 RELEASE 1.1.2
 -------------
diff --git a/Dockerfile b/Dockerfile
index ffade7e..450c278 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,10 +6,10 @@
 RUN apt-get -qq update
 RUN apt-get install -qq apache2-mpm-event
 
-RUN sed -e 's|/var/www|&/public_html|' -e 's/\(Log \+\)[^ ]\+/\1"|/bin/cat"/' -i /etc/apache2/sites-available/000-default.conf
+RUN sed -e 's|/var/www/html|/var/www/public_html|' -e 's/\(Log \+\)[^ ]\+/\1"|/bin/cat"/' -i /etc/apache2/sites-available/000-default.conf
 RUN a2ensite 000-default
 
-RUN sed -e 's|/var/www|&/public_html|' -e 's/\(Log \+\)[^ ]\+/\1"|/bin/cat"/' -i /etc/apache2/sites-available/default-ssl.conf
+RUN sed -e 's|/var/www/html|/var/www/public_html|' -e 's/\(Log \+\)[^ ]\+/\1"|/bin/cat"/' -i /etc/apache2/sites-available/default-ssl.conf
 RUN sed -e '/SSLCertificateKeyFile/s|ssl-cert-snakeoil.key|ssl-cert.key|' -e '/SSLCertificateFile/s|ssl-cert-snakeoil.pem|ssl-cert.pem|' -i /etc/apache2/sites-available/default-ssl.conf
 RUN ln -snf ssl-cert-snakeoil.pem /etc/ssl/certs/ssl-cert.pem
 RUN ln -snf ssl-cert-snakeoil.key /etc/ssl/private/ssl-cert.key
diff --git a/composer.json-dist b/composer.json-dist
index e9aa03e..521f6ba 100644
--- a/composer.json-dist
+++ b/composer.json-dist
@@ -14,18 +14,6 @@
         {
             "type": "vcs",
             "url": "https://git.kolab.org/diffusion/PNL/php-net_ldap.git"
-        },
-        {
-            "type": "package",
-            "package": {
-                "name": "Net_SMTP",
-                "version": "dev-master",
-                "source": {
-                    "url": "https://github.com/pear/Net_SMTP",
-                    "type": "git",
-                    "reference": "master"
-                }
-            }
         }
     ],
     "require": {
diff --git a/plugins/filesystem_attachments/filesystem_attachments.php b/plugins/filesystem_attachments/filesystem_attachments.php
index 50bd624..164efa6 100644
--- a/plugins/filesystem_attachments/filesystem_attachments.php
+++ b/plugins/filesystem_attachments/filesystem_attachments.php
@@ -50,7 +50,7 @@
     {
         $args['status'] = false;
         $group  = $args['group'];
-        $rcmail = rcmail::get_instance();
+        $rcmail = rcube::get_instance();
 
         // use common temp dir for file uploads
         $temp_dir = $rcmail->config->get('temp_dir');
@@ -78,7 +78,7 @@
         $args['status'] = false;
 
         if (!$args['path']) {
-            $rcmail   = rcmail::get_instance();
+            $rcmail   = rcube::get_instance();
             $temp_dir = $rcmail->config->get('temp_dir');
             $tmp_path = tempnam($temp_dir, 'rcmAttmnt');
 
@@ -160,7 +160,7 @@
 
     function file_id()
     {
-        $userid = rcmail::get_instance()->user->ID;
+        $userid = rcube::get_instance()->user->ID;
         list($usec, $sec) = explode(' ', microtime());
         $id = preg_replace('/[^0-9]/', '', $userid . $sec . $usec);
 
diff --git a/plugins/redundant_attachments/redundant_attachments.php b/plugins/redundant_attachments/redundant_attachments.php
index 24af7d9..17427f0 100644
--- a/plugins/redundant_attachments/redundant_attachments.php
+++ b/plugins/redundant_attachments/redundant_attachments.php
@@ -63,7 +63,7 @@
             return;
         }
 
-        $rcmail = rcmail::get_instance();
+        $rcmail = rcube::get_instance();
 
         // load configuration
         $this->load_config();
diff --git a/program/lib/Roundcube/rcube_html2text.php b/program/lib/Roundcube/rcube_html2text.php
index 15dc2b5..a2f6288 100644
--- a/program/lib/Roundcube/rcube_html2text.php
+++ b/program/lib/Roundcube/rcube_html2text.php
@@ -216,7 +216,7 @@
      * @see $ent_search
      */
     protected $ent_replace = array(
-        ' ',                                    // Non-breaking space
+        "\xC2\xA0",                             // Non-breaking space
         '"',                                    // Double quotes
         "'",                                    // Single quotes
         '>',
@@ -509,7 +509,7 @@
      * @param string $link URL of the link
      * @param string $display Part of the text to associate number with
      */
-    protected function _build_link_list( $link, $display )
+    protected function _build_link_list($link, $display)
     {
         if (!$this->_do_links || empty($link)) {
             return $display;
@@ -520,6 +520,11 @@
             return $display;
         }
 
+        // skip links with href == content (#1490434)
+        if ($link === $display) {
+            return $display;
+        }
+
         if (preg_match('!^([a-z][a-z0-9.+-]+:)!i', $link)) {
             $url = $link;
         }
diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index cb958eb..d022185 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -322,11 +322,12 @@
      * Determine if the message contains a HTML part. This must to be
      * a real part not an attachment (or its part)
      *
-     * @param bool $enriched Enables checking for text/enriched parts too
+     * @param bool               $enriched Enables checking for text/enriched parts too
+     * @param rcube_message_part &$part    Reference to the part if found
      *
      * @return bool True if a HTML is available, False if not
      */
-    function has_html_part($enriched = false)
+    public function has_html_part($enriched = false, &$part = null)
     {
         // check all message parts
         foreach ($this->mime_parts as $part) {
@@ -360,6 +361,8 @@
             }
         }
 
+        $part = null;
+
         return false;
     }
 
@@ -367,9 +370,11 @@
      * Determine if the message contains a text/plain part. This must to be
      * a real part not an attachment (or its part)
      *
+     * @param rcube_message_part &$part Reference to the part if found
+     *
      * @return bool True if a plain text part is available, False if not
      */
-    function has_text_part()
+    public function has_text_part(&$part = null)
     {
         // check all message parts
         foreach ($this->mime_parts as $part) {
@@ -399,52 +404,58 @@
             }
         }
 
+        $part = null;
+
         return false;
     }
 
     /**
      * Return the first HTML part of this message
      *
+     * @param rcube_message_part &$part    Reference to the part if found
+     * @param bool               $enriched Enables checking for text/enriched parts too
+     *
      * @return string HTML message part content
      */
-    function first_html_part()
+    public function first_html_part(&$part = null, $enriched = false)
     {
-        // check all message parts
-        foreach ($this->mime_parts as $pid => $part) {
-            if ($part->mimetype == 'text/html') {
-                return $this->get_part_body($pid, true);
+        if ($this->has_html_part($enriched, $part)) {
+            $body = $this->get_part_body($part->mime_id, true);
+
+            if ($part->mimetype == 'text/enriched') {
+                $body = rcube_enriched::to_html($body);
             }
+
+            return $body;
         }
     }
 
     /**
-     * Return the first text part of this message
+     * Return the first text part of this message.
+     * If there's no text/plain part but $strict=true and text/html part
+     * exists, it will be returned in text/plain format.
      *
-     * @param rcube_message_part $part Reference to the part if found
+     * @param rcube_message_part &$part  Reference to the part if found
+     * @param bool               $strict Check only text/plain parts
+     *
      * @return string Plain text message/part content
      */
-    function first_text_part(&$part=null)
+    public function first_text_part(&$part = null, $strict = false)
     {
         // no message structure, return complete body
-        if (empty($this->parts))
+        if (empty($this->parts)) {
             return $this->body;
-
-        // check all message parts
-        foreach ($this->mime_parts as $mime_id => $part) {
-            if ($part->mimetype == 'text/plain') {
-                return $this->get_part_body($mime_id, true);
-            }
-            else if ($part->mimetype == 'text/html') {
-                $out = $this->get_part_body($mime_id, true);
-
-                // create instance of html2text class
-                $txt = new rcube_html2text($out);
-                return $txt->get_text();
-            }
         }
 
-        $part = null;
-        return null;
+        if ($this->has_text_part($part)) {
+            return $this->get_part_body($part->mime_id, true);
+        }
+
+        if (!$strict && ($body = $this->first_html_part($part, true))) {
+            // create instance of html2text class
+            $h2t  = new rcube_html2text($body);
+            return $h2t->get_text();
+        }
     }
 
     /**
diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index a2d130e..bb1d2c8 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -208,11 +208,6 @@
         else if (is_string($headers)) {
             $text_headers = $headers;
         }
-        else {
-            $this->reset();
-            $this->response[] = "Invalid message headers";
-            return false;
-        }
 
         // exit if no from address is given
         if (!isset($from)) {
@@ -275,8 +270,11 @@
 
         if (is_resource($body)) {
             // file handle
-            $data         = $body;
-            $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
+            $data = $body;
+
+            if ($text_headers) {
+                $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
+            }
         }
         else {
             // Concatenate headers and body so it can be passed by reference to SMTP_CONN->data
diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index dcfc613..9bb8713 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -273,144 +273,9 @@
 else if (count($MESSAGE->identities)) {
     $ident = rcmail_identity_select($MESSAGE, $MESSAGE->identities, $compose_mode);
 
-    $MESSAGE->compose['from_email'] = $ident['email'];
-    $MESSAGE->compose['from']       = $ident['identity_id'];
+    $MESSAGE->compose['from']  = $ident['identity_id'];
+    $MESSAGE->compose['ident'] = $ident;
 }
-
-// Set other headers
-$a_recipients = array();
-$parts        = array('to', 'cc', 'bcc', 'replyto', 'followupto');
-$separator    = trim($RCMAIL->config->get('recipients_separator', ',')) . ' ';
-$from_email   = @mb_strtolower($MESSAGE->compose['from_email']);
-
-foreach ($parts as $header) {
-    $fvalue        = '';
-    $decode_header = true;
-    $charset       = $MESSAGE->headers->charset;
-
-    // we have a set of recipients stored is session
-    if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
-        && $_SESSION['mailto'][$mailto_id]
-    ) {
-        $fvalue        = urldecode($_SESSION['mailto'][$mailto_id]);
-        $decode_header = false;
-        $charset       = $RCMAIL->output->charset;
-
-        // make session to not grow up too much
-        unset($_SESSION['mailto'][$mailto_id]);
-        $COMPOSE['param']['to'] = $fvalue;
-    }
-    else if (!empty($_POST['_'.$header])) {
-        $fvalue  = rcube_utils::get_input_value('_'.$header, rcube_utils::INPUT_POST, TRUE);
-        $charset = $RCMAIL->output->charset;
-    }
-    else if (!empty($COMPOSE['param'][$header])) {
-        $fvalue  = $COMPOSE['param'][$header];
-        $charset = $RCMAIL->output->charset;
-    }
-    else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
-        // get recipent address(es) out of the message headers
-        if ($header == 'to') {
-            $mailfollowup = $MESSAGE->headers->others['mail-followup-to'];
-            $mailreplyto  = $MESSAGE->headers->others['mail-reply-to'];
-
-            // Reply to mailing list...
-            if ($MESSAGE->reply_all == 'list' && $mailfollowup)
-                $fvalue = $mailfollowup;
-            else if ($MESSAGE->reply_all == 'list'
-                && preg_match('/<mailto:([^>]+)>/i', $MESSAGE->headers->others['list-post'], $m))
-                $fvalue = $m[1];
-            // Reply to...
-            else if ($MESSAGE->reply_all && $mailfollowup)
-                $fvalue = $mailfollowup;
-            else if ($mailreplyto)
-                $fvalue = $mailreplyto;
-            else if (!empty($MESSAGE->headers->replyto)) {
-                $fvalue  = $MESSAGE->headers->replyto;
-                $replyto = true;
-            }
-            else if (!empty($MESSAGE->headers->from))
-                $fvalue = $MESSAGE->headers->from;
-
-            // Reply to message sent by yourself (#1487074, #1489230)
-            // Reply-To address need to be unset (#1490233)
-            if (!empty($ident) && empty($replyto)
-                && in_array($ident['ident'], array($fvalue, $MESSAGE->headers->from))
-            ) {
-                $fvalue = $MESSAGE->headers->to;
-            }
-        }
-        // add recipient of original message if reply to all
-        else if ($header == 'cc' && !empty($MESSAGE->reply_all) && $MESSAGE->reply_all != 'list') {
-            if ($v = $MESSAGE->headers->to)
-                $fvalue .= $v;
-            if ($v = $MESSAGE->headers->cc)
-                $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
-            // Use Sender header (#1489011)
-            if (($v = $MESSAGE->headers->get('Sender', false)) && strpos($v, '-bounces@') === false)
-                $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
-
-            // When To: and Reply-To: are the same we add From: address to the list (#1489037)
-            if ($v = $MESSAGE->headers->from) {
-                $from    = rcube_mime::decode_address_list($v, null, false, $charset, true);
-                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $charset, true);
-                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $charset, true);
-
-                if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
-                    $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
-                }
-            }
-        }
-    }
-    else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
-        // get drafted headers
-        if ($header=='to' && !empty($MESSAGE->headers->to))
-            $fvalue = $MESSAGE->get_header('to', true);
-        else if ($header=='cc' && !empty($MESSAGE->headers->cc))
-            $fvalue = $MESSAGE->get_header('cc', true);
-        else if ($header=='bcc' && !empty($MESSAGE->headers->bcc))
-            $fvalue = $MESSAGE->get_header('bcc', true);
-        else if ($header=='replyto' && !empty($MESSAGE->headers->others['mail-reply-to']))
-            $fvalue = $MESSAGE->get_header('mail-reply-to');
-        else if ($header=='replyto' && !empty($MESSAGE->headers->replyto))
-            $fvalue = $MESSAGE->get_header('reply-to');
-        else if ($header=='followupto' && !empty($MESSAGE->headers->others['mail-followup-to']))
-            $fvalue = $MESSAGE->get_header('mail-followup-to');
-    }
-
-    // split recipients and put them back together in a unique way
-    if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
-        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $charset);
-        $fvalue       = array();
-
-        foreach ($to_addresses as $addr_part) {
-            if (empty($addr_part['mailto'])) {
-                continue;
-            }
-
-            // According to RFC5321 local part of email address is case-sensitive
-            // however, here it is better to compare addresses in case-insensitive manner
-            $mailto    = format_email(rcube_utils::idn_to_utf8($addr_part['mailto']));
-            $mailto_lc = mb_strtolower($addr_part['mailto']);
-
-            if (($header == 'to' || $compose_mode != RCUBE_COMPOSE_REPLY || $mailto_lc != $from_email)
-                && !in_array($mailto_lc, $a_recipients)
-            ) {
-                if ($addr_part['name'] && $mailto != $addr_part['name']) {
-                    $mailto = format_email_recipient($mailto, $addr_part['name']);
-                }
-
-                $fvalue[]       = $mailto;
-                $a_recipients[] = $mailto_lc;
-            }
-        }
-
-        $fvalue = implode($separator, $fvalue);
-    }
-
-    $MESSAGE->compose[$header] = $fvalue;
-}
-unset($a_recipients);
 
 // process $MESSAGE body/attachments, set $MESSAGE_BODY/$HTML_MODE vars and some session data
 $MESSAGE_BODY = rcmail_prepare_message_body();
@@ -584,7 +449,7 @@
 
         // create teaxtarea object
         $input = new $field_type($field_attrib);
-        $out   = $input->show($MESSAGE->compose[$param]);
+        $out   = $input->show(rcmail_compose_header_value($param));
     }
 
     if ($form_start) {
@@ -600,7 +465,7 @@
 
 function rcmail_compose_header_from($attrib)
 {
-    global $MESSAGE, $OUTPUT, $RCMAIL, $COMPOSE, $compose_mode;
+    global $MESSAGE, $OUTPUT, $RCMAIL, $COMPOSE;
 
     // pass the following attributes to the form class
     $field_attrib = array('name' => '_from');
@@ -615,7 +480,7 @@
         $identities   = array();
         $top_posting  = intval($RCMAIL->config->get('reply_mode')) > 0
             && !$RCMAIL->config->get('sig_below')
-            && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD);
+            && ($COMPOSE['mode'] == RCUBE_COMPOSE_REPLY || $COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD);
         $separator = $top_posting ? '---' : '-- ';
 
         $field_attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.".change_identity(this)";
@@ -673,17 +538,171 @@
     return $out;
 }
 
+function rcmail_compose_header_value($header)
+{
+    global $COMPOSE, $MESSAGE;
+
+    $RCMAIL        = rcube::get_instance();
+    $fvalue        = '';
+    $decode_header = true;
+    $charset       = $MESSAGE->headers->charset;
+    $separator     = trim($RCMAIL->config->get('recipients_separator', ',')) . ' ';
+
+    // we have a set of recipients stored is session
+    if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
+        && $_SESSION['mailto'][$mailto_id]
+    ) {
+        $fvalue        = urldecode($_SESSION['mailto'][$mailto_id]);
+        $decode_header = false;
+        $charset       = $RCMAIL->output->charset;
+
+        // make session to not grow up too much
+        unset($_SESSION['mailto'][$mailto_id]);
+        $COMPOSE['param']['to'] = $fvalue;
+    }
+    else if (!empty($_POST['_' . $header])) {
+        $fvalue  = rcube_utils::get_input_value('_' . $header, rcube_utils::INPUT_POST, true);
+        $charset = $RCMAIL->output->charset;
+    }
+    else if (!empty($COMPOSE['param'][$header])) {
+        $fvalue  = $COMPOSE['param'][$header];
+        $charset = $RCMAIL->output->charset;
+    }
+    else if ($COMPOSE['mode'] == RCUBE_COMPOSE_REPLY) {
+        // get recipent address(es) out of the message headers
+        if ($header == 'to') {
+            $mailfollowup = $MESSAGE->headers->others['mail-followup-to'];
+            $mailreplyto  = $MESSAGE->headers->others['mail-reply-to'];
+
+            // Reply to mailing list...
+            if ($MESSAGE->reply_all == 'list' && $mailfollowup) {
+                $fvalue = $mailfollowup;
+            }
+            else if ($MESSAGE->reply_all == 'list'
+                && preg_match('/<mailto:([^>]+)>/i', $MESSAGE->headers->others['list-post'], $m)
+            ) {
+                $fvalue = $m[1];
+            }
+            // Reply to...
+            else if ($MESSAGE->reply_all && $mailfollowup) {
+                $fvalue = $mailfollowup;
+            }
+            else if ($mailreplyto) {
+                $fvalue = $mailreplyto;
+            }
+            else if (!empty($MESSAGE->headers->replyto)) {
+                $fvalue  = $MESSAGE->headers->replyto;
+                $replyto = true;
+            }
+            else if (!empty($MESSAGE->headers->from)) {
+                $fvalue = $MESSAGE->headers->from;
+            }
+
+            // Reply to message sent by yourself (#1487074, #1489230, #1490439)
+            // Reply-To address need to be unset (#1490233)
+            if (!empty($MESSAGE->compose['ident']) && empty($replyto)) {
+                foreach (array($fvalue, $MESSAGE->headers->from) as $sender) {
+                    $senders = rcube_mime::decode_address_list($sender, null, false, $charset, true);
+
+                    if (in_array($MESSAGE->compose['ident']['email_ascii'], $senders)) {
+                        $fvalue = $MESSAGE->headers->to;
+                        break;
+                    }
+                }
+            }
+        }
+        // add recipient of original message if reply to all
+        else if ($header == 'cc' && !empty($MESSAGE->reply_all) && $MESSAGE->reply_all != 'list') {
+            if ($v = $MESSAGE->headers->to) {
+                $fvalue .= $v;
+            }
+            if ($v = $MESSAGE->headers->cc) {
+                $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+            }
+            // Use Sender header (#1489011)
+            if (($v = $MESSAGE->headers->get('Sender', false)) && strpos($v, '-bounces@') === false) {
+                $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+            }
+
+            // When To: and Reply-To: are the same we add From: address to the list (#1489037)
+            if ($v = $MESSAGE->headers->from) {
+                $from    = rcube_mime::decode_address_list($v, null, false, $charset, true);
+                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $charset, true);
+                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $charset, true);
+
+                if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
+                    $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+                }
+            }
+        }
+    }
+    else if (in_array($COMPOSE['mode'], array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
+        // get drafted headers
+        if ($header == 'to' && !empty($MESSAGE->headers->to)) {
+            $fvalue = $MESSAGE->get_header('to', true);
+        }
+        else if ($header == 'cc' && !empty($MESSAGE->headers->cc)) {
+            $fvalue = $MESSAGE->get_header('cc', true);
+        }
+        else if ($header == 'bcc' && !empty($MESSAGE->headers->bcc)) {
+            $fvalue = $MESSAGE->get_header('bcc', true);
+        }
+        else if ($header == 'replyto' && !empty($MESSAGE->headers->others['mail-reply-to'])) {
+            $fvalue = $MESSAGE->get_header('mail-reply-to');
+        }
+        else if ($header == 'replyto' && !empty($MESSAGE->headers->replyto)) {
+            $fvalue = $MESSAGE->get_header('reply-to');
+        }
+        else if ($header == 'followupto' && !empty($MESSAGE->headers->others['mail-followup-to'])) {
+            $fvalue = $MESSAGE->get_header('mail-followup-to');
+        }
+    }
+
+    // split recipients and put them back together in a unique way
+    if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
+        $from_email   = @mb_strtolower($MESSAGE->compose['ident']['email']);
+        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $charset);
+        $fvalue       = array();
+
+        foreach ($to_addresses as $addr_part) {
+            if (empty($addr_part['mailto'])) {
+                continue;
+            }
+
+            // According to RFC5321 local part of email address is case-sensitive
+            // however, here it is better to compare addresses in case-insensitive manner
+            $mailto    = format_email(rcube_utils::idn_to_utf8($addr_part['mailto']));
+            $mailto_lc = mb_strtolower($addr_part['mailto']);
+
+            if (($header == 'to' || $COMPOSE['mode'] != RCUBE_COMPOSE_REPLY || $mailto_lc != $from_email)
+                && !in_array($mailto_lc, (array) $MESSAGE->recipients)
+            ) {
+                if ($addr_part['name'] && $mailto != $addr_part['name']) {
+                    $mailto = format_email_recipient($mailto, $addr_part['name']);
+                }
+
+                $fvalue[]              = $mailto;
+                $MESSAGE->recipients[] = $mailto_lc;
+            }
+        }
+
+        $fvalue = implode($separator, $fvalue);
+    }
+
+    return $fvalue;
+}
 
 function rcmail_compose_editor_mode()
 {
-    global $RCMAIL, $compose_mode;
+    global $RCMAIL;
     static $useHtml;
 
     if ($useHtml !== null) {
         return $useHtml;
     }
 
-    $html_editor = intval($RCMAIL->config->get('htmleditor'));
+    $html_editor  = intval($RCMAIL->config->get('htmleditor'));
+    $compose_mode = $COMPOSE['mode'];
 
     if (isset($_POST['_is_html'])) {
         $useHtml = !empty($_POST['_is_html']);
@@ -713,7 +732,7 @@
 
 function rcmail_prepare_message_body()
 {
-    global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $HTML_MODE;
+    global $RCMAIL, $MESSAGE, $COMPOSE, $HTML_MODE;
 
     // use posted message body
     if (!empty($_POST['_message'])) {
@@ -725,20 +744,20 @@
         $isHtml = (bool) $COMPOSE['param']['html'];
     }
     // forward as attachment
-    else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $COMPOSE['as_attachment']) {
+    else if ($COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD && $COMPOSE['as_attachment']) {
         $isHtml = rcmail_compose_editor_mode();
         $body   = '';
 
         rcmail_write_forward_attachments();
     }
     // reply/edit/draft/forward
-    else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || intval($RCMAIL->config->get('reply_mode')) != -1)) {
+    else if ($COMPOSE['mode'] && ($COMPOSE['mode'] != RCUBE_COMPOSE_REPLY || intval($RCMAIL->config->get('reply_mode')) != -1)) {
         $isHtml   = rcmail_compose_editor_mode();
         $messages = array();
 
         if (!empty($MESSAGE->parts)) {
             // collect IDs of message/rfc822 parts
-            if ($compose_mode == RCUBE_COMPOSE_EDIT || $compose_mode == RCUBE_COMPOSE_DRAFT) {
+            if ($COMPOSE['mode'] == RCUBE_COMPOSE_EDIT || $COMPOSE['mode'] == RCUBE_COMPOSE_DRAFT) {
                 foreach ($MESSAGE->attachments as $part) {
                     if ($part->mimetype == 'message/rfc822') {
                         $messages[] = $part->mime_id;
@@ -769,13 +788,13 @@
         }
 
         // compose reply-body
-        if ($compose_mode == RCUBE_COMPOSE_REPLY)
+        if ($COMPOSE['mode'] == RCUBE_COMPOSE_REPLY)
             $body = rcmail_create_reply_body($body, $isHtml);
         // forward message body inline
-        else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
+        else if ($COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD)
             $body = rcmail_create_forward_body($body, $isHtml);
         // load draft message body
-        else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT)
+        else if ($COMPOSE['mode'] == RCUBE_COMPOSE_DRAFT || $COMPOSE['mode'] == RCUBE_COMPOSE_EDIT)
             $body = rcmail_create_draft_body($body, $isHtml);
     }
     else { // new message
@@ -783,7 +802,7 @@
     }
 
     $plugin = $RCMAIL->plugins->exec_hook('message_compose_body',
-        array('body' => $body, 'html' => $isHtml, 'mode' => $compose_mode));
+        array('body' => $body, 'html' => $isHtml, 'mode' => $COMPOSE['mode']));
 
     $body = $plugin['body'];
     unset($plugin);
@@ -806,7 +825,7 @@
 
 function rcmail_compose_part_body($part, $isHtml = false)
 {
-    global $RCMAIL, $MESSAGE, $LINE_LENGTH, $compose_mode;
+    global $RCMAIL, $MESSAGE, $LINE_LENGTH;
 
     // Check if we have enough memory to handle the message in it
     // #1487424: we need up to 10x more memory than the body
@@ -830,7 +849,7 @@
         }
         else {
             // try to remove the signature
-            if ($compose_mode != RCUBE_COMPOSE_DRAFT && $compose_mode != RCUBE_COMPOSE_EDIT) {
+            if ($COMPOSE['mode'] != RCUBE_COMPOSE_DRAFT && $COMPOSE['mode'] != RCUBE_COMPOSE_EDIT) {
                 if ($RCMAIL->config->get('strip_existing_sig', true)) {
                     $body = rcmail_remove_signature($body);
                 }
@@ -849,7 +868,7 @@
         if ($part->ctype_secondary == 'html') {
             // use html part if it has been used for message (pre)viewing
             // decrease line length for quoting
-            $len = $compose_mode == RCUBE_COMPOSE_REPLY ? $LINE_LENGTH-2 : $LINE_LENGTH;
+            $len = $COMPOSE['mode'] == RCUBE_COMPOSE_REPLY ? $LINE_LENGTH-2 : $LINE_LENGTH;
             $txt = new rcube_html2text($body, false, true, $len);
             $body = $txt->get_text();
         }
@@ -859,7 +878,7 @@
             }
 
             // try to remove the signature
-            if ($compose_mode != RCUBE_COMPOSE_DRAFT && $compose_mode != RCUBE_COMPOSE_EDIT) {
+            if ($COMPOSE['mode'] != RCUBE_COMPOSE_DRAFT && $COMPOSE['mode'] != RCUBE_COMPOSE_EDIT) {
                 if ($RCMAIL->config->get('strip_existing_sig', true)) {
                     $body = rcmail_remove_signature($body);
                 }
@@ -1158,7 +1177,7 @@
 
 function rcmail_write_compose_attachments(&$message, $bodyIsHtml)
 {
-    global $RCMAIL, $COMPOSE, $compose_mode;
+    global $RCMAIL, $COMPOSE;
 
     $loaded_attachments = array();
     foreach ((array)$COMPOSE['attachments'] as $attachment) {
@@ -1176,12 +1195,12 @@
             }
 
             // skip message attachments in reply mode
-            if ($part->ctype_primary == 'message' && $compose_mode == RCUBE_COMPOSE_REPLY) {
+            if ($part->ctype_primary == 'message' && $COMPOSE['mode'] == RCUBE_COMPOSE_REPLY) {
                 continue;
             }
 
             // skip inline images when forwarding in text mode
-            if ($part->content_id && $part->disposition == 'inline' && !$bodyIsHtml && $compose_mode == RCUBE_COMPOSE_FORWARD) {
+            if ($part->content_id && $part->disposition == 'inline' && !$bodyIsHtml && $COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD) {
                 continue;
             }
 
@@ -1191,12 +1210,12 @@
             // skipped e.g. images used in HTML body or other attachments. So,
             // better to skip .eml attachments but not their content (included files).
             if ($part->mimetype == 'message/rfc822') {
-                if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
+                if ($COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD) {
                     continue;
                 }
                 $messages[] = $part->mime_id;
             }
-            else if ($compose_mode != RCUBE_COMPOSE_FORWARD) {
+            else if ($COMPOSE['mode'] != RCUBE_COMPOSE_FORWARD) {
                 // skip attachments included in message/rfc822 attachment (#1486487)
                 foreach ($messages as $mimeid) {
                     if (strpos($part->mime_id, $mimeid . '.') === 0) {
@@ -1461,7 +1480,7 @@
 
 function rcmail_compose_subject($attrib)
 {
-    global $MESSAGE, $COMPOSE, $compose_mode;
+    global $MESSAGE, $COMPOSE;
 
     list($form_start, $form_end) = get_form_tags($attrib);
     unset($attrib['form']);
@@ -1480,7 +1499,7 @@
         $subject = $COMPOSE['param']['subject'];
     }
     // create a reply-subject
-    else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
+    else if ($COMPOSE['mode'] == RCUBE_COMPOSE_REPLY) {
         if (preg_match('/^re:/i', $MESSAGE->subject))
             $subject = $MESSAGE->subject;
         else
@@ -1490,14 +1509,14 @@
         $subject = preg_replace('/\s*\([wW]as:[^\)]+\)\s*$/', '', $subject);
     }
     // create a forward-subject
-    else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
+    else if ($COMPOSE['mode'] == RCUBE_COMPOSE_FORWARD) {
         if (preg_match('/^fwd:/i', $MESSAGE->subject))
             $subject = $MESSAGE->subject;
         else
             $subject = 'Fwd: '.$MESSAGE->subject;
     }
     // creeate a draft-subject
-    else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
+    else if ($COMPOSE['mode'] == RCUBE_COMPOSE_DRAFT || $COMPOSE['mode'] == RCUBE_COMPOSE_EDIT) {
         $subject = $MESSAGE->subject;
     }
 
@@ -1667,7 +1686,7 @@
 
 function rcmail_mdn_checkbox($attrib)
 {
-    global $RCMAIL, $MESSAGE, $compose_mode;
+    global $RCMAIL, $MESSAGE;
 
     list($form_start, $form_end) = get_form_tags($attrib);
     unset($attrib['form']);
@@ -1682,7 +1701,7 @@
 
     if (isset($_POST['_mdn']))
         $mdn_default = $_POST['_mdn'];
-    else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT)))
+    else if (in_array($COMPOSE['mode'], array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT)))
         $mdn_default = (bool) $MESSAGE->headers->mdn_to;
     else
         $mdn_default = $RCMAIL->config->get('mdn_default');
diff --git a/skins/larry/settings.css b/skins/larry/settings.css
index 83446f1..b02c6d5 100644
--- a/skins/larry/settings.css
+++ b/skins/larry/settings.css
@@ -334,6 +334,7 @@
 #rcmfd_signature {
 	width: 99%;
 	min-width: 390px;
+	font-family: monospace;
 }
 
 #rcmfd_signature_toolbar1 td,
diff --git a/tests/Framework/Html2text.php b/tests/Framework/Html2text.php
index dee7670..be14882 100644
--- a/tests/Framework/Html2text.php
+++ b/tests/Framework/Html2text.php
@@ -51,6 +51,11 @@
                 'in'    => 'test<br>  test',
                 'out'   => "test\ntest",
             ),
+            8 => array(
+                'title' => '&nbsp; handling test',
+                'in'    => '<div>eye: &nbsp;&nbsp;test<br /> tes: &nbsp;&nbsp;test</div>',
+                'out'   => "eye:   test\ntes:   test",
+            ),
         );
     }
 
@@ -113,4 +118,29 @@
 
         $this->assertContains('QUOTED TEXT INNER 1 INNER 2 NO END', $res, 'No quoating on invalid html');
     }
+
+    function test_links()
+    {
+        $html     = '<a href="http://test.com">content</a>';
+        $expected = 'content [1]
+
+Links:
+------
+[1] http://test.com
+';
+
+        $ht = new rcube_html2text($html, false, true);
+        $res = $ht->get_text();
+
+        $this->assertSame($expected, $res, 'Links list');
+
+        // href == content (#1490434)
+        $html     = '<a href="http://test.com">http://test.com</a>';
+        $expected = 'http://test.com';
+
+        $ht = new rcube_html2text($html, false, true);
+        $res = $ht->get_text();
+
+        $this->assertSame($expected, $res, 'Skip link with href == content');
+    }
 }

--
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