Merge branch 'master' of github.com:roundcube/roundcubemail

10 files changed, 77 insertions, 21 deletions

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 02f38e647..5a9a1fa86 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -1774,10 +1774,7 @@ class rcmail extends rcube
         $err_code = $this->storage->get_error_code();
         $res_code = $this->storage->get_response_code();
 
-        if ($err_code < 0) {
-            $this->output->show_message('storageerror', 'error');
-        }
-        else if ($res_code == rcube_storage::NOPERM) {
+        if ($res_code == rcube_storage::NOPERM) {
             $this->output->show_message('errornoperm', 'error');
         }
         else if ($res_code == rcube_storage::READONLY) {
@@ -1792,6 +1789,9 @@ class rcmail extends rcube
                 $this->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
             }
         }
+        else if ($err_code < 0) {
+            $this->output->show_message('storageerror', 'error');
+        }
         else if ($fallback) {
             $this->output->show_message($fallback, 'error', $fallback_args);
         }
diff --git a/program/include/rcube_charset.php b/program/include/rcube_charset.php
index 1740a6096..35c69729b 100644
--- a/program/include/rcube_charset.php
+++ b/program/include/rcube_charset.php
@@ -86,7 +86,7 @@ class rcube_charset
      * Sometimes charset string is malformed, there are also charset aliases 
      * but we need strict names for charset conversion (specially utf8 class)
      *
-     * @param  string Input charset name
+     * @param string $input Input charset name
      *
      * @return string The validated charset name
      */
@@ -176,9 +176,10 @@ class rcube_charset
     {
         static $iconv_options   = null;
         static $mbstring_list   = null;
+        static $mbstring_sch    = null;
         static $conv            = null;
 
-        $to   = empty($to) ? strtoupper(RCMAIL_CHARSET) : self::parse_charset($to);
+        $to   = empty($to) ? strtoupper(RCMAIL_CHARSET) : $to;
         $from = self::parse_charset($from);
 
         // It is a common case when UTF-16 charset is used with US-ASCII content (#1488654)
@@ -221,6 +222,7 @@ class rcube_charset
 
         if ($mbstring_list === null) {
             if (extension_loaded('mbstring')) {
+                $mbstring_sch  = mb_substitute_character();
                 $mbstring_list = mb_list_encodings();
                 $mbstring_list = array_map('strtoupper', $mbstring_list);
             }
@@ -229,14 +231,25 @@ class rcube_charset
         // convert charset using mbstring module
         if ($mbstring_list !== null) {
             $aliases['WINDOWS-1257'] = 'ISO-8859-13';
+            // it happens that mbstring supports ASCII but not US-ASCII
+            if (($from == 'US-ASCII' || $to == 'US-ASCII') && !in_array('US-ASCII', $mbstring_list)) {
+                $aliases['US-ASCII'] = 'ASCII';
+            }
 
             $mb_from = $aliases[$from] ? $aliases[$from] : $from;
             $mb_to   = $aliases[$to] ? $aliases[$to] : $to;
 
             // return if encoding found, string matches encoding and convert succeeded
             if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) {
-                if (mb_check_encoding($str, $mb_from) && ($out = mb_convert_encoding($str, $mb_to, $mb_from))) {
-                    return $out;
+                if (mb_check_encoding($str, $mb_from)) {
+                    // Do the same as //IGNORE with iconv
+                    mb_substitute_character('none');
+                    $out = mb_convert_encoding($str, $mb_to, $mb_from);
+                    mb_substitute_character($mbstring_sch);
+
+                    if ($out !== false) {
+                        return $out;
+                    }
                 }
             }
         }
@@ -646,14 +659,14 @@ class rcube_charset
             return $failover;
         }
 
-        // FIXME: the order is important, because sometimes 
+        // FIXME: the order is important, because sometimes
         // iso string is detected as euc-jp and etc.
         $enc = array(
             'UTF-8', 'SJIS', 'BIG5', 'GB2312',
             'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
             'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
             'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
-            'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R', 
+            'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R',
             'ISO-2022-KR', 'ISO-2022-JP'
         );
 
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 66b5c4bd6..ebf31d578 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -1434,6 +1434,12 @@ class rcube_imap extends rcube_storage
             $criteria = 'UNDELETED '.$criteria;
         }
 
+        // unset CHARSET if criteria string is ASCII, this way
+        // SEARCH won't be re-sent after "unsupported charset" response
+        if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
+            $charset = 'US-ASCII';
+        }
+
         if ($this->threading) {
             $threads = $this->conn->thread($folder, $this->threading, $criteria, true, $charset);
 
@@ -1465,7 +1471,7 @@ class rcube_imap extends rcube_storage
         }
 
         $messages = $this->conn->search($folder,
-            ($charset ? "CHARSET $charset " : '') . $criteria, true);
+            ($charset && $charset != 'US-ASCII' ? "CHARSET $charset " : '') . $criteria, true);
 
         // Error, try with US-ASCII (some servers may support only US-ASCII)
         if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
@@ -3291,11 +3297,8 @@ class rcube_imap extends rcube_storage
         }
 
         // Get folder rights (MYRIGHTS)
-        if ($acl && !$options['noselect']) {
-            // skip shared roots
-            if (!$options['is_root'] || $options['namespace'] == 'personal') {
-                $options['rights'] =  (array)$this->my_rights($folder);
-            }
+        if ($acl && ($rights = $this->my_rights($folder))) {
+            $options['rights'] = $rights;
         }
 
         // Set 'norename' flag
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index c3cfabc3a..cce53aedc 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -530,6 +530,7 @@ class rcube_imap_generic
                 }
                 else {
                     $authc = $user;
+                    $user  = '';
                 }
                 $auth_sasl = Auth_SASL::factory('digestmd5');
                 $reply = base64_encode($auth_sasl->getResponse($authc, $pass,
@@ -568,6 +569,7 @@ class rcube_imap_generic
             }
             else {
                 $authc = $user;
+                $user  = '';
             }
 
             $reply = base64_encode($user . chr(0) . $authc . chr(0) . $pass);
@@ -2400,10 +2402,13 @@ class rcube_imap_generic
             $mode = 0;
         }
 
+        // Use BINARY extension when possible (and safe)
+        $binary     = $mode && preg_match('/^[0-9.]+$/', $part) && $this->hasCapability('BINARY');
+        $fetch_mode = $binary ? 'BINARY' : 'BODY';
+
         // format request
-        $reply_key = '* ' . $id;
         $key       = $this->nextTag();
-        $request   = $key . ($is_uid ? ' UID' : '') . " FETCH $id (BODY.PEEK[$part])";
+        $request   = $key . ($is_uid ? ' UID' : '') . " FETCH $id ($fetch_mode.PEEK[$part])";
 
         // send request
         if (!$this->putLine($request)) {
@@ -2411,6 +2416,10 @@ class rcube_imap_generic
             return false;
         }
 
+        if ($binary) {
+            $mode = -1;
+        }
+
         // receive reply line
         do {
             $line = rtrim($this->readLine(1024));
@@ -2455,13 +2464,13 @@ class rcube_imap_generic
             $prev     = '';
 
             while ($bytes > 0) {
-                $line = $this->readLine(4096);
+                $line = $this->readLine(8192);
 
                 if ($line === NULL) {
                     break;
                 }
 
-                $len  = strlen($line);
+                $len = strlen($line);
 
                 if ($len > $bytes) {
                     $line = substr($line, 0, $bytes);
diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index 6af1d0133..fe2fcf354 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -494,8 +494,13 @@ class rcube_message
                     }
 
                     // list as attachment as well
-                    if (!empty($mail_part->filename))
+                    if (!empty($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') {
diff --git a/program/include/rcube_result_index.php b/program/include/rcube_result_index.php
index cc1615d35..334ec8530 100644
--- a/program/include/rcube_result_index.php
+++ b/program/include/rcube_result_index.php
@@ -61,10 +61,14 @@ class rcube_result_index
         for ($i=0, $len=count($data); $i<$len; $i++) {
             $data_item = &$data[$i];
             if (preg_match('/^ SORT/i', $data_item)) {
+                // valid response, initialize raw_data for is_error()
+                $this->raw_data = '';
                 $data_item = substr($data_item, 5);
                 break;
             }
             else if (preg_match('/^ (E?SEARCH)/i', $data_item, $m)) {
+                // valid response, initialize raw_data for is_error()
+                $this->raw_data = '';
                 $data_item = substr($data_item, strlen($m[0]));
 
                 if (strtoupper($m[1]) == 'ESEARCH') {
diff --git a/program/include/rcube_result_thread.php b/program/include/rcube_result_thread.php
index 214aec217..09fa46522 100644
--- a/program/include/rcube_result_thread.php
+++ b/program/include/rcube_result_thread.php
@@ -61,6 +61,8 @@ class rcube_result_thread
         // ...skip unilateral untagged server responses
         for ($i=0, $len=count($data); $i<$len; $i++) {
             if (preg_match('/^ THREAD/i', $data[$i])) {
+                // valid response, initialize raw_data for is_error()
+                $this->raw_data = '';
                 $data[$i] = substr($data[$i], 7);
                 break;
             }
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index c15305c08..4577c6df5 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -255,6 +255,21 @@ function asciiwords($str, $css_id = false, $replace_with = '')
 
 
 /**
+ * Check if a string contains only ascii characters
+ *
+ * @param string $str           String to check
+ * @param bool   $control_chars Includes control characters
+ *
+ * @return bool
+ */
+function is_ascii($str, $control_chars = true)
+{
+    $regexp = $control_chars ? '/[^\x00-\x7F]/' : '/[^\x20-\x7E]/';
+    return preg_match($regexp, $str) ? false : true;
+}
+
+
+/**
  * Remove single and double quotes from a given string
  *
  * @param string Input value
diff --git a/program/include/rcube_utils.php b/program/include/rcube_utils.php
index 23bf556e4..b278431a6 100644
--- a/program/include/rcube_utils.php
+++ b/program/include/rcube_utils.php
@@ -221,6 +221,10 @@ class rcube_utils
         static $js_rep_table = false;
         static $xml_rep_table = false;
 
+        if (!is_string($str)) {
+            $str = strval($str);
+        }
+
         // encode for HTML output
         if ($enctype == 'html') {
             if (!$html_encode_arr) {
diff --git a/program/include/rcube_vcard.php b/program/include/rcube_vcard.php
index 2bfd474c6..49b312c5c 100644
--- a/program/include/rcube_vcard.php
+++ b/program/include/rcube_vcard.php
@@ -555,6 +555,7 @@ class rcube_vcard
           if ((list($key, $value) = explode('=', $attr)) && $value) {
             $value = trim($value);
             if ($key == 'ENCODING') {
+              $value = strtoupper($value);
               // add next line(s) to value string if QP line end detected
               if ($value == 'QUOTED-PRINTABLE') {
                 while (preg_match('/=$/', $lines[$i]))