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-rw-r--r--program/lib/Roundcube/rcube_imap.php30
-rw-r--r--program/steps/mail/func.inc2
2 files changed, 24 insertions, 8 deletions
diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 74c1f5324..18c6b12af 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -1634,9 +1634,15 @@ class rcube_imap extends rcube_storage
// Example of structure for malformed MIME message:
// ("text" "plain" NIL NIL NIL "7bit" 2154 70 NIL NIL NIL)
if ($headers->ctype && !is_array($structure[0]) && $headers->ctype != 'text/plain'
- && strtolower($structure[0].'/'.$structure[1]) == 'text/plain') {
+ && strtolower($structure[0].'/'.$structure[1]) == 'text/plain'
+ ) {
+ // A special known case "Content-type: text" (#1488968)
+ if ($headers->ctype == 'text') {
+ $structure[1] = 'plain';
+ $headers->ctype = 'text/plain';
+ }
// we can handle single-part messages, by simple fix in structure (#1486898)
- if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
+ else if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
$structure[0] = $m[1];
$structure[1] = $m[2];
}
@@ -1660,11 +1666,21 @@ class rcube_imap extends rcube_storage
$struct = $this->structure_part($structure, 0, '', $headers);
}
- // don't trust given content-type
- if (empty($struct->parts) && !empty($headers->ctype)) {
- $struct->mime_id = '1';
- $struct->mimetype = strtolower($headers->ctype);
- list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype);
+ // some workarounds on simple messages...
+ if (empty($struct->parts)) {
+ // ...don't trust given content-type
+ if (!empty($headers->ctype)) {
+ $struct->mime_id = '1';
+ $struct->mimetype = strtolower($headers->ctype);
+ list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype);
+ }
+
+ // ...and charset (there's a case described in #1488968 where invalid content-type
+ // results in invalid charset in BODYSTRUCTURE)
+ if (!empty($headers->charset) && $headers->charset != $struct->ctype_parameters['charset']) {
+ $struct->charset = $headers->charset;
+ $struct->ctype_parameters['charset'] = $headers->charset;
+ }
}
$headers->structure = $struct;
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 6b8879dcf..36ac1aa2b 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1854,7 +1854,7 @@ function rcmail_attachment_name($attachment, $display = false)
$filename = rcube_label('htmlmessage');
}
else {
- $ext = rcube_mime::get_mime_extensions($attachment->mimetype);
+ $ext = (array) rcube_mime::get_mime_extensions($attachment->mimetype);
$ext = array_shift($ext);
$filename = rcube_label('messagepart') . ' ' . $attachment->mime_id;
if ($ext) {