+if (isset($override_type0)) {
+ $type0 = $override_type0;
+}
+if (isset($override_type1)) {
+ $type1 = $override_type1;
+}
+$filename = '';
+if (is_object($message->header->disposition)) {
+ $filename = decodeHeader($header->disposition->getProperty('filename'));
+ if (!$filename) {
+ $filename = decodeHeader($header->disposition->getProperty('name'));
+ }
+}
+if (strlen($filename) < 1) {
+ if ($type1 == 'plain' && $type0 == 'text') {
+ $suffix = 'txt';
+ $filename = $subject . '.txt';
+ } else if ($type1 == 'richtext' && $type0 == 'text') {
+ $suffix = 'rtf';
+ $filename = $subject . '.rtf';
+ } else if ($type1 == 'postscript' && $type0 == 'application') {
+ $suffix = 'ps';
+ $filename = $subject . '.ps';
+ } else if ($type1 == 'rfc822' && $type0 == 'message') {
+ $suffix = 'eml';
+ $filename = $subject . '.msg';
+ } else {
+ $suffix = $type1;
+ }
+
+ if (strlen($filename) < 1) {
+ $filename = "untitled$ent_id.$suffix";
+ } else {
+ $filename = "$filename.$suffix";
+ }
+}
+
+/*
+ * Note:
+ * The following sections display the attachment in different
+ * ways depending on how they choose. The first way will download
+ * under any circumstance. This sets the Content-type to be
+ * applicatin/octet-stream, which should be interpreted by the
+ * browser as "download me".
+ * The second method (view) is used for images or other formats
+ * that should be able to be handled by the browser. It will
+ * most likely display the attachment inline inside the browser.
+ * And finally, the third one will be used by default. If it
+ * is displayable (text or html), it will load them up in a text
+ * viewer (built in to squirrelmail). Otherwise, it sets the
+ * content-type as application/octet-stream
+ */
+if (isset($absolute_dl) && $absolute_dl == 'true') {
+ DumpHeaders($type0, $type1, $filename, 1);
+} else {
+ DumpHeaders($type0, $type1, $filename, 0);
+}
+/* be aware that any warning caused by download.php will corrupt the
+ * attachment in case of ERROR reporting = E_ALL and the output is the screen */
+mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);
+
+/*
+ * This function is verified to work with Netscape and the *very latest*
+ * version of IE. I don't know if it works with Opera, but it should now.
+ */
+function DumpHeaders($type0, $type1, $filename, $force) {
+ global $HTTP_USER_AGENT, $languages, $squirrelmail_language;
+ $isIE = 0;
+
+ if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
+ strstr($HTTP_USER_AGENT, 'Opera') === false) {
+ $isIE = 1;
+ }
+
+ if (strstr($HTTP_USER_AGENT, 'compatible; MSIE 6') !== false &&
+ strstr($HTTP_USER_AGENT, 'Opera') === false) {
+ $isIE6 = 1;
+ }
+
+ if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ $filename =
+ $languages[$squirrelmail_language]['XTRA_CODE']('downloadfilename', $filename, $HTTP_USER_AGENT);
+ } else {
+ $filename = ereg_replace('[^-a-zA-Z0-9\.]', '_', $filename);
+ }
+
+ // A Pox on Microsoft and it's Office!
+ if (! $force) {
+ // Try to show in browser window
+ header("Content-Disposition: inline; filename=\"$filename\"");
+ header("Content-Type: $type0/$type1; name=\"$filename\"");
+ } else {
+ // Try to pop up the "save as" box
+ // IE makes this hard. It pops up 2 save boxes, or none.
+ // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
+ // But, accordint to Microsoft, it is "RFC compliant but doesn't
+ // take into account some deviations that allowed within the
+ // specification." Doesn't that mean RFC non-compliant?
+ // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
+ //
+ // The best thing you can do for IE is to upgrade to the latest
+ // version
+ if ($isIE && !isset($isIE6)) {
+ // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
+ // Do not have quotes around filename, but that applied to
+ // "attachment"... does it apply to inline too?
+ //
+ // This combination seems to work mostly. IE 5.5 SP 1 has
+ // known issues (see the Microsoft Knowledge Base)
+ header("Content-Disposition: inline; filename=$filename");
+
+ // This works for most types, but doesn't work with Word files
+ header("Content-Type: application/download; name=\"$filename\"");
+
+ // These are spares, just in case. :-)
+ //header("Content-Type: $type0/$type1; name=\"$filename\"");
+ //header("Content-Type: application/x-msdownload; name=\"$filename\"");
+ //header("Content-Type: application/octet-stream; name=\"$filename\"");
+ } else {
+ header("Content-Disposition: attachment; filename=\"$filename\"");
+ // application/octet-stream forces download for Netscape
+ header("Content-Type: application/octet-stream; name=\"$filename\"");
+ }
+ }
+}