diff options
Diffstat (limited to 'program/include/rcube_imap.php')
| -rw-r--r-- | program/include/rcube_imap.php | 122 |
1 files changed, 108 insertions, 14 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php index 0323c530b..b66c89dab 100644 --- a/program/include/rcube_imap.php +++ b/program/include/rcube_imap.php @@ -1161,24 +1161,118 @@ class rcube_imap } // normalize filename property - if ($filename_mime = $struct->d_parameters['filename'] ? $struct->d_parameters['filename'] : $struct->ctype_parameters['name']) - { - $struct->filename = rcube_imap::decode_mime_string($filename_mime, - $struct->charset ? $struct->charset : rc_detect_encoding($filename_mime, $this->default_charset)); + $this->_set_part_filename($struct); + + return $struct; } - else if ($filename_encoded = $struct->d_parameters['filename*'] ? $struct->d_parameters['filename*'] : $struct->ctype_parameters['name*']) - { + + + /** + * Fetch attachment filename from message part structure + * + * @access private + * @param object rcube_message_part Part object + * @return string Attachment filename + */ + function _set_part_filename(&$part) + { + // $this->_msg_id + + if (!empty($part->d_parameters['filename'])) + $filename_mime = $part->d_parameters['filename']; + else if (!empty($part->ctype_parameters['name'])) + $filename_mime = $part->ctype_parameters['name']; + else if (!empty($part->d_parameters['filename*'])) + $filename_encoded = $part->d_parameters['filename*']; + else if (!empty($part->ctype_parameters['name*'])) + $filename_encoded = $part->ctype_parameters['name*']; + // RFC2231 value continuations + // TODO: this should be rewrited to support RFC2231 4.1 combinations + else if (!empty($part->d_parameters['filename*0'])) { + $i = 0; + while (isset($part->d_parameters['filename*'.$i])) { + $i++; + $filename_mime .= $part->d_parameters['filename*'.$i]; + } + // some servers (eg. dovecot-1.x) have no support for parameter value continuations + // we must fetch and parse headers "manually" + if ($i<2) { + // TODO: fetch only Content-Type/Content-Disposition header + $headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER'); + $filename_mime = ''; + $i = 0; + while (preg_match('/filename\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_mime .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->d_parameters['filename*0*'])) { + $i = 0; + while (isset($part->d_parameters['filename*'.$i.'*'])) { + $i++; + $filename_encoded .= $part->d_parameters['filename*'.$i.'*']; + } + if ($i<2) { + $headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER'); + $filename_encoded = ''; + $i = 0; + while (preg_match('/filename\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_encoded .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->ctype_parameters['name*0'])) { + $i = 0; + while (isset($part->ctype_parameters['name*'.$i])) { + $i++; + $filename_mime .= $part->ctype_parameters['name*'.$i]; + } + if ($i<2) { + $headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER'); + $filename_mime = ''; + $i = 0; + while (preg_match('/\s+name\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_mime .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->ctype_parameters['name*0*'])) { + $i = 0; + while (isset($part->ctype_parameters['name*'.$i.'*'])) { + $i++; + $filename_encoded .= $part->ctype_parameters['name*'.$i.'*']; + } + if ($i<2) { + $headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER'); + $filename_encoded = ''; + $i = 0; + while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_encoded .= $matches[1]; + $i++; + } + } + } + // Content-Disposition + else if (!empty($part->headers['content-description'])) + $filename_mime = $part->headers['content-description']; + else + return; + + // decode filename + if (!empty($filename_mime)) { + $part->filename = rcube_imap::decode_mime_string($filename_mime, + $part->charset ? $part->charset : rc_detect_encoding($filename_mime, $this->default_charset)); + } + else if (!empty($filename_encoded)) { // decode filename according to RFC 2231, Section 4 list($filename_charset,, $filename_urlencoded) = split('\'', $filename_encoded); - $struct->filename = rcube_charset_convert(urldecode($filename_urlencoded), $filename_charset); - } - else if (!empty($struct->headers['content-description'])) - $struct->filename = rcube_imap::decode_mime_string($struct->headers['content-description'], - $struct->charset ? $struct->charset : rc_detect_encoding($struct->headers['content-description'],$this->default_charset)); - - return $struct; + $part->filename = rcube_charset_convert(urldecode($filename_urlencoded), $filename_charset); + } } - + /** * Fetch message body of a specific message from the server |