From 013aaeb895d3ec8f6758db4c2521599404ad22c7 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 01 May 2016 04:56:57 -0400
Subject: [PATCH] CS improvements/fixes

---
 program/steps/mail/func.inc |  129 ++++++++++++++++++++++++------------------
 1 files changed, 73 insertions(+), 56 deletions(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 672bbd2..b65fbef 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -168,7 +168,7 @@
     // race condition and unintentional page overwrite in session
     if ($RCMAIL->action == 'list' || $RCMAIL->action == 'getunread') {
         if (!($page = intval($_GET['_page']))) {
-            $page = $_SESSION['page'] ? $_SESSION['page'] : 1;
+            $page = $_SESSION['page'] ?: 1;
         }
 
         $_SESSION['page'] = $page;
@@ -179,7 +179,7 @@
 
     // set default sort col/order to session
     if (!isset($_SESSION['sort_col'])) {
-        $_SESSION['sort_col'] = $message_sort_col ? $message_sort_col : '';
+        $_SESSION['sort_col'] = $message_sort_col ?: '';
     }
     if (!isset($_SESSION['sort_order'])) {
         $_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC';
@@ -331,8 +331,9 @@
     $OUTPUT->add_label('from', 'to');
 
     // add id to message list table if not specified
-    if (!strlen($attrib['id']))
+    if (!strlen($attrib['id'])) {
         $attrib['id'] = 'rcubemessagelist';
+    }
 
     // define list of cols to be displayed based on parameter or config
     if (empty($attrib['columns'])) {
@@ -531,11 +532,7 @@
         if (!empty($header->list_cols) && is_array($header->list_cols))
             $a_msg_cols = array_merge($a_msg_cols, $header->list_cols);
 
-        $OUTPUT->command('add_message_row',
-            $header->uid,
-            $a_msg_cols,
-            $a_msg_flags,
-            $insert_top);
+        $OUTPUT->command('add_message_row', $header->uid, $a_msg_cols, $a_msg_flags, $insert_top);
     }
 
     if ($RCMAIL->storage->get_threading()) {
@@ -655,8 +652,9 @@
 {
     global $OUTPUT;
 
-    if (empty($attrib['id']))
+    if (empty($attrib['id'])) {
         $attrib['id'] = 'rcmailcontentwindow';
+    }
 
     return $OUTPUT->frame($attrib, true);
 }
@@ -665,8 +663,9 @@
 {
     global $RCMAIL;
 
-    if (!$attrib['id'])
+    if (!$attrib['id']) {
         $attrib['id'] = 'rcmcountdisplay';
+    }
 
     $RCMAIL->output->add_gui_object('countdisplay', $attrib['id']);
 
@@ -685,19 +684,21 @@
 
     $page_size = $RCMAIL->storage->get_pagesize();
     $start_msg = ($page-1) * $page_size + 1;
+    $max       = $count;
 
-    if ($count !== null)
-        $max = $count;
-    else if ($RCMAIL->action)
-        $max = $RCMAIL->storage->count(NULL, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
+    if ($max === null && $RCMAIL->action) {
+        $max = $RCMAIL->storage->count(null, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
+    }
 
-    if ($max == 0)
+    if (!$max) {
         $out = $RCMAIL->storage->get_search_set() ? $RCMAIL->gettext('nomessages') : $RCMAIL->gettext('mailboxempty');
-    else
+    }
+    else {
         $out = $RCMAIL->gettext(array('name' => $RCMAIL->storage->get_threading() ? 'threadsfromto' : 'messagesfromto',
             'vars' => array('from'  => $start_msg,
             'to'    => min($max, $start_msg + $page_size - 1),
             'count' => $max)));
+    }
 
     return rcube::Q($out);
 }
@@ -706,8 +707,9 @@
 {
     global $RCMAIL;
 
-    if (!$attrib['id'])
+    if (!$attrib['id']) {
         $attrib['id'] = 'rcmmailboxname';
+    }
 
     $RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);
 
@@ -725,15 +727,16 @@
     global $RCMAIL;
 
     $old_unseen = rcmail_get_unseen_count($mbox_name);
+    $unseen     = $count;
 
-    if ($count === null)
+    if ($unseen === null) {
         $unseen = $RCMAIL->storage->count($mbox_name, 'UNSEEN', $force);
-    else
-        $unseen = $count;
+    }
 
-    if ($unseen != $old_unseen || ($mbox_name == 'INBOX'))
+    if ($unseen != $old_unseen || ($mbox_name == 'INBOX')) {
         $RCMAIL->output->command('set_unread_count', $mbox_name, $unseen,
             ($mbox_name == 'INBOX'), $unseen && $mark ? $mark : '');
+    }
 
     rcmail_set_unseen_count($mbox_name, $unseen);
 
@@ -966,10 +969,12 @@
 
         // now check for evil strings like expression, behavior or url()
         if (!preg_match('/expression|behavior|javascript:|import[^a]/i', $stripped)) {
-            if (!$washtml->get_config('allow_remote') && stripos($stripped, 'url('))
+            if (!$washtml->get_config('allow_remote') && stripos($stripped, 'url(')) {
                 $washtml->extlinks = true;
-            else
+            }
+            else {
                 $out = html::tag('style', array('type' => 'text/css'), $content);
+            }
             break;
         }
 
@@ -989,10 +994,12 @@
     static $sa_attrib;
 
     // keep header table attrib
-    if (is_array($attrib) && !$sa_attrib && !$attrib['valueof'])
+    if (is_array($attrib) && !$sa_attrib && !$attrib['valueof']) {
         $sa_attrib = $attrib;
-    else if (!is_array($attrib) && is_array($sa_attrib))
+    }
+    else if (!is_array($attrib) && is_array($sa_attrib)) {
         $attrib = $sa_attrib;
+    }
 
     if (!isset($MESSAGE)) {
         return false;
@@ -1018,8 +1025,6 @@
     $output_headers  = array();
 
     foreach ($standard_headers as $hkey) {
-        $ishtml = false;
-
         if ($headers[$hkey])
             $value = $headers[$hkey];
         else if ($headers['others'][$hkey])
@@ -1030,6 +1035,7 @@
         if (in_array($hkey, $exclude_headers))
             continue;
 
+        $ishtml       = false;
         $header_title = $RCMAIL->gettext(preg_replace('/(^mail-|-)/', '', $hkey));
 
         if ($hkey == 'date') {
@@ -1040,10 +1046,12 @@
         }
         else if ($hkey == 'priority') {
             if ($value) {
-                $header_value = html::span('prio' . $value, rcmail_localized_priority($value));
+                $header_value = html::span('prio' . $value, rcube::Q(rcmail_localized_priority($value)));
+                $ishtml       = true;
             }
-            else
+            else {
                 continue;
+            }
         }
         else if ($hkey == 'replyto') {
             if ($headers['replyto'] != $headers['from']) {
@@ -1051,19 +1059,21 @@
                     $attrib['addicon'], $headers['charset'], $header_title);
                 $ishtml = true;
             }
-            else
+            else {
                 continue;
+            }
         }
         else if ($hkey == 'mail-reply-to') {
-            if ($headers['mail-replyto'] != $headers['reply-to']
-                && $headers['reply-to'] != $headers['from']
+            if ($headers['mail-replyto'] != $headers['replyto']
+                && $headers['replyto'] != $headers['from']
             ) {
                 $header_value = rcmail_address_string($value, $attrib['max'], true,
                     $attrib['addicon'], $headers['charset'], $header_title);
                 $ishtml = true;
             }
-            else
+            else {
                 continue;
+            }
         }
         else if ($hkey == 'sender') {
             if ($headers['sender'] != $headers['from']) {
@@ -1071,8 +1081,9 @@
                     $attrib['addicon'], $headers['charset'], $header_title);
                 $ishtml = true;
             }
-            else
+            else {
                 continue;
+            }
         }
         else if ($hkey == 'mail-followup-to') {
             $header_value = rcmail_address_string($value, $attrib['max'], true,
@@ -1084,8 +1095,9 @@
                 $attrib['addicon'], $headers['charset'], $header_title);
             $ishtml = true;
         }
-        else if ($hkey == 'subject' && empty($value))
+        else if ($hkey == 'subject' && empty($value)) {
             $header_value = $RCMAIL->gettext('nosubject');
+        }
         else {
             $value        = is_array($value) ? implode(' ', $value) : $value;
             $header_value = trim(rcube_mime::decode_header($value, $headers['charset']));
@@ -1109,14 +1121,15 @@
 
     // single header value is requested
     if (!empty($attrib['valueof'])) {
-        return rcube::Q($plugin['output'][$attrib['valueof']]['value'], ($attrib['valueof'] == 'subject' ? 'strict' : 'show'));
+        $row = $plugin['output'][$attrib['valueof']];
+        return $row['html'] ? $row['value'] : rcube::Q($row['value']);
     }
 
     // compose html table
     $table = new html_table(array('cols' => 2));
 
     foreach ($plugin['output'] as $hkey => $row) {
-        $val = $row['html'] ? $row['value'] : rcube::Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show'));
+        $val = $row['html'] ? $row['value'] : rcube::Q($row['value']);
 
         $table->add(array('class' => 'header-title'), rcube::Q($row['title']));
         $table->add(array('class' => 'header '.$hkey), $val);
@@ -1232,15 +1245,6 @@
 
                 // fetch part body
                 $body = $MESSAGE->get_part_body($part->mime_id, true);
-
-                // extract headers from message/rfc822 parts
-                if ($part->mimetype == 'message/rfc822') {
-                    $msgpart = rcube_mime::parse_message($body);
-                    if (!empty($msgpart->headers)) {
-                        $part = $msgpart;
-                        $out .= html::div('message-partheaders', rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : null, $part->headers));
-                    }
-                }
 
                 // message is cached but not exists (#1485443), or other error
                 if ($body === false) {
@@ -1634,7 +1638,7 @@
                     $content = rcube::Q($name ? sprintf('%s <%s>', $name, $mailto) : $mailto);
                 }
                 else {
-                    $content = rcube::Q($name ? $name : $mailto);
+                    $content = rcube::Q($name ?: $mailto);
                     $attrs['title'] = $mailto;
                 }
 
@@ -1642,7 +1646,7 @@
             }
             else {
                 $address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
-                    rcube::Q($name ? $name : $mailto));
+                    rcube::Q($name ?: $mailto));
             }
 
             if ($addicon && $_SESSION['writeable_abook']) {
@@ -1723,9 +1727,9 @@
 function rcmail_wrap_and_quote($text, $length = 72)
 {
     // Rebuild the message body with a maximum of $max chars, while keeping quoted message.
-    $max = max(75, $length + 8);
+    $max   = max(75, $length + 8);
     $lines = preg_split('/\r?\n/', trim($text));
-    $out = '';
+    $out   = '';
 
     foreach ($lines as $line) {
         // don't wrap already quoted lines
@@ -1736,10 +1740,7 @@
             $newline = '';
 
             foreach (explode("\n", rcube_mime::wordwrap($line, $length - 2)) as $l) {
-                if (strlen($l))
-                    $newline .= '> ' . $l . "\n";
-                else
-                    $newline .= ">\n";
+                $newline .= strlen($l) ? "> $l\n" : ">\n";
             }
 
             $line = rtrim($newline);
@@ -1759,7 +1760,7 @@
 {
     $parts = array();
     foreach ($p as $key => $val) {
-        $encode = $key == 'folder' || strpos($val, ';') !== false;
+        $encode  = $key == 'folder' || strpos($val, ';') !== false;
         $parts[] = $key . '=' . ($encode ? 'B::' . base64_encode($val) : $val);
     }
 
@@ -2212,6 +2213,8 @@
 
 function rcmail_save_attachment($message, $pid, $compose_id, $params = array())
 {
+    global $COMPOSE;
+
     $rcmail  = rcmail::get_instance();
     $storage = $rcmail->get_storage();
 
@@ -2274,7 +2277,21 @@
 
     if ($attachment['status']) {
         unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
-        $rcmail->session->append('compose_data_' . $compose_id . '.attachments', $attachment['id'], $attachment);
+
+        // rcube_session::append() replaces current session data with the old values
+        // (in rcube_session::reload()). This is a problem in 'compose' action, because before
+        // the first append() use we set some important data in the session.
+        // It also overwrites attachments list. Fixing reload() is not so simple if possible
+        // as we don't really know what has been added and what removed in meantime.
+        // So, for now we'll do not use append() on 'compose' action (#1490608).
+
+        if ($rcmail->action == 'compose') {
+            $COMPOSE['attachments'][$attachment['id']] = $attachment;
+        }
+        else {
+            $rcmail->session->append('compose_data_' . $compose_id . '.attachments', $attachment['id'], $attachment);
+        }
+
         return $attachment;
     }
     else if ($path) {

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