+ return true;
+ }
+
+ /** extract new headers from the part
+ * @param $part STRING part of a multipart message
+ */
+ function _get_part($part)
+ {
+ global $banana;
+
+ $local_headers = Array();
+ $lines = split("\n", $part);
+ while (count($lines)) {
+ $line = array_shift($lines);
+ if ($line != "") {
+ if (preg_match('@^[\t\r ]+@', $line) && isset($hdr)) {
+ $local_headers[$hdr] .= ' '.trim($line);
+ } else {
+ list($hdr, $val) = split(":[ \t\r]*", $line, 2);
+ $hdr = strtolower($hdr);
+ if (in_array($hdr, $banana->parse_hdr)) {
+ $local_headers[$hdr] = $val;
+ }
+ }
+ } else {
+ break;
+ }
+ }
+ $local_body = join("\n", $lines);
+ if (isset($local_headers['content-transfer-encoding'])
+ && preg_match("/quoted-printable/", $local_headers['content-transfer-encoding'])) {
+ $local_body = quoted_printable_decode($local_body);
+ }
+ return Array('headers' => $local_headers, 'body' => $local_body);
+ }
+
+ /** add an attachment
+ */
+ function _add_attachment($part)
+ {
+ $local_header = $part['headers'];
+ $local_body = $part['body'];
+
+ if ((isset($local_header['content-disposition']) && preg_match('/filename="?([^"]+)"?/', $local_header['content-disposition'], $filename))
+ || (isset($local_header['content-type']) && preg_match('/name="?([^"]+)"?/', $local_header['content-type'], $filename))) {
+ $filename = $filename[1];
+ }
+ if (!isset($filename)) {
+ $filename = "attachment" . count($this->pj);
+ }
+
+ if (isset($local_header['content-type'])
+ && preg_match('/^\s*([^ ;]+);/', $local_header['content-type'], $mimetype)) {
+ $mimetype = $mimetype[1];
+ } else {
+ return false;
+ }
+
+ if (isset($local_header['content-id'])
+ && preg_match('/^\s*<([^> ]+)>/', $local_header['content-id'], $cid)) {
+ $cid = $cid[1];
+ } else {
+ $cid = null;
+ }
+
+ array_push($this->pj, Array('MIME' => $mimetype,
+ 'filename' => $filename,
+ 'encoding' => strtolower($local_header['content-transfer-encoding']),
+ 'data' => $local_body,
+ 'cid' => $cid));
+ return true;
+ }
+
+ /** Fix body charset (convert body to utf8)
+ * @return false if failed
+ */
+ function _fix_charset()
+ {
+ if (preg_match('!charset="?([^;"]*)"?\s*(;|$)?!', $this->headers['content-type'], $matches)) {
+ $body = iconv($matches[1], 'utf-8', $this->body);
+ if (strlen($body) == 0) {
+ return false;
+ }
+ $this->body = $body;
+ } else {
+ $this->body = utf8_encode($this->body);
+ }
+ return true;
+ }
+
+ /** return body in plain text (useful for messages without a text/plain part)
+ */
+ function get_body()
+ {
+ preg_match("@text/([^;]+);@", $this->headers['content-type'], $format);
+ if ($format[1] == 'plain') {
+ return $this->body;
+ }
+ if ($format[1] == 'richtext') {
+ return htmlToPlainText(richtextToHtml($this->body));
+ } else {
+ return htmlToPlainText($this->body);
+ }
+ }
+
+ /** return local url for the given cid
+ * @param cid STRING
+ */
+ function find_attachment($cid)
+ {
+ global $banana;
+ $i = 0;
+ foreach ($this->pj as $pj) {
+ if ($pj['cid'] == $cid) {
+ return htmlentities(makeLink(Array('group' => $banana->state['group'],
+ 'artid' => $this->id,
+ 'pj' => $i,
+ 'action' => 'view')));
+ }
+ $i++;
+ }
+ return 'cid:' . $cid;;
+ }
+
+ /** decode an attachment
+ * @param pjid INT id of the attachment to decode
+ * @param action BOOL action to execute : true=view, false=download
+ */
+ function get_attachment($pjid, $action = false)
+ {
+ if ($pjid >= count($this->pj)) {
+ return false;
+ } else {
+ $file = $this->pj[$pjid];
+ header('Content-Type: '.$file['MIME'].'; name="'.$file['filename'].'"');
+ if (!$action) {
+ header('Content-Disposition: attachment; filename="'.$file['filename'].'"');
+ } else {
+ header('Content-Disposition: inline; filename="'.$file['filename'].'"');
+ }
+ if ($file['encoding'] == 'base64') {
+ echo base64_decode($file['data']);
+ } else if ($file['encoding'] == 'x-uuencode') {
+ passthru('echo '.escapeshellarg($file['data']).' | uudecode -o /dev/stdout');
+ } else {
+ header('Content-Transfer-Encoding: '.$file['encoding']);
+ echo $file['data'];
+ }
+ return true;
+ }
+ }
+
+ /** set body to represent the given part
+ * @param partid INT index of the part in messages
+ */
+ function set_body_to_part($partid)
+ {
+ global $banana;
+
+ if (count($this->messages) == 0) {
+ return false;
+ }
+
+ $local_header = $this->messages[$partid]['headers'];
+ $this->body = $this->messages[$partid]['body'];
+ foreach ($banana->parse_hdr as $hdr) {
+ if (isset($local_header[$hdr])) {
+ $this->headers[$hdr] = $local_header[$hdr];
+ }
+ }
+
+ $this->_fix_charset();
+ return true;