+ /** split multipart messages
+ * @param $type STRING multipart type description
+ * @param $boundary STRING multipart boundary identification string
+ */
+ function split_multipart($type, $boundary)
+ {
+ global $banana;
+
+ $parts = preg_split("/\n--$boundary(--|\n)/", $this->body);
+ foreach ($parts as $part) {
+ $part = $this->get_part($part);
+ $local_header = $part['headers'];
+ $local_body = $part['body'];
+ if (isset($local_header['content-disposition']) && preg_match("/attachment/", $local_header['content-disposition'])) {
+ $this->add_attachment($part);
+ } else if (isset($local_header['content-type']) && preg_match("@text/@", $local_header['content-type'])) {
+ $this->body = $local_body;
+ foreach ($banana->parse_hdr as $hdr) {
+ if (isset($local_header[$hdr])) {
+ $this->headers[$hdr] = $local_header[$hdr];
+ }
+ }
+ }
+ }
+ }
+
+ /** extract new headers from the part
+ * @param $part STRING part of a multipart message
+ */
+ function get_part($part) {
+ global $banana;
+
+ $lines = split("\n", $part);
+ while (count($lines)) {
+ $line = array_shift($lines);
+ if ($line != "") {
+ list($hdr, $val) = split(":[ \t\r]*", $line, 2);
+ $hdr = strtolower($hdr);
+ if (in_array($hdr, $banana->parse_hdr)) {
+ $local_headers[$hdr] = $val;
+ }
+ } else {
+ break;
+ }
+ }
+ # echo join("\n", $lines)."<br/>------------------------------------<br/>";
+ return Array('headers' => $local_headers, 'body' => join("\n", $lines));
+ }
+
+ function add_attachment($part) {
+ $local_header = $part['headers'];
+ $local_body = $part['body'];
+
+ if (!isset($local_header['content-transfer-encoding'])) {
+ return;
+ }
+
+ if (isset($local_header['content-disposition'])) {
+ if (preg_match("/attachment/", $local_header['content-disposition'])) {
+ preg_match("/filename=\"?([^\"]+)\"?/", $local_header['content-disposition'], $filename);
+ $filename = $filename[1];
+ }
+ }
+ if (!isset($filename)) {
+ $filename = "attachment".count($pj);
+ }
+
+ if (isset($local_header['content-type'])) {
+ if (preg_match("/^\\s*([^ ;]+);/", $local_header['content-type'], $mimetype)) {
+ $mimetype = $mimetype[1];
+ }
+ }
+ if (!isset($mimetype)) {
+ return;
+ }
+
+ array_push($this->pj, Array('MIME' => $mimetype,
+ 'filename' => $filename,
+ 'encoding' => strtolower($local_header['content-transfer-encoding']),
+ 'data' => $local_body));
+ }
+
+ /** decode an attachment
+ * @param pjid INT id of the attachment to decode
+ * @param action BOOL action to execute : true=view, false=download
+ */
+ function get_attachment($pjid, $action = false) {
+ if ($pjid >= count($this->pj)) {
+ return false;
+ } else {
+ $file = $this->pj[$pjid];
+ header('Content-Type: '.$file['MIME']);
+ if (!$action) {
+ header('Content-Disposition: attachment; filename="'.$file['filename'].'"');
+ }
+ if ($file['encoding'] == 'base64') {
+ echo base64_decode($file['data']);
+ } else {
+ header('Content-Transfer-Encoding: '.$file['encoding']);
+ echo $file['data'];
+ }
+ return true;
+ }
+ }
+