- }
-
- // 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 && !$isIE6) {
- // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
- // Do not have quotes around filename, but that applied to
- // "attachment"... does it apply to inline too?
- //
- // This combination seems to work mostly. IE 5.5 SP 1 has
- // known issues (see the Microsoft Knowledge Base)
- header("Content-Disposition: inline; filename=$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=\"$filename\"");
- }
- }
- }
+ }
+
+ // A Pox on Microsoft and it's Internet Explorer!
+ //
+ // IE has lots of bugs with file downloads.
+ // It also has problems with SSL. Both of these cause problems
+ // for us in this function.
+ //
+ // See this article on Cache Control headers and SSL
+ // http://support.microsoft.com/default.aspx?scid=kb;en-us;323308
+ //
+ // The best thing you can do for IE is to upgrade to the latest
+ // version
+ //set all the Cache Control Headers for IE
+ if ($isIE) {
+ $filename=rawurlencode($filename);
+ header ("Pragma: public");
+ header ("Cache-Control: no-store, max-age=0, no-cache, must-revalidate"); # HTTP/1.1
+ header ("Cache-Control: post-check=0, pre-check=0", false);
+ header ("Cache-control: private");
+
+ //set the inline header for IE, we'll add the attachment header later if we need it
+ header ("Content-Disposition: inline; filename=$filename");
+ }
+
+ if (!$force) {
+ // Try to show in browser window
+ header ("Content-Disposition: inline; filename=\"$filename\"");
+ header ("Content-Type: $type0/$type1; name=\"$filename\"");
+ } else {
+ // Try to pop up the "save as" box
+
+ // IE makes this hard. It pops up 2 save boxes, or none.
+ // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
+ // http://support.microsoft.com/default.aspx?scid=kb;EN-US;260519
+ // But, according to Microsoft, it is "RFC compliant but doesn't
+ // take into account some deviations that allowed within the
+ // specification." Doesn't that mean RFC non-compliant?
+ // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
+
+ // all browsers need the application/octet-stream header for this
+ header ("Content-Type: application/octet-stream; name=\"$filename\"");
+
+ // 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?
+ header ("Content-Disposition: attachment; filename=\"$filename\"");
+
+ if ($isIE && !$isIE6) {
+ // This combination seems to work mostly. IE 5.5 SP 1 has
+ // known issues (see the Microsoft Knowledge Base)
+
+ // This works for most types, but doesn't work with Word files
+ header ("Content-Type: application/download; name=\"$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=\"$filename\"");
+ } else {
+ // another application/octet-stream forces download for Netscape
+ header ("Content-Type: application/octet-stream; name=\"$filename\"");
+ }
+ }
+
+ //send the content-length header if the calling function provides it
+ if ($filesize > 0) {
+ header("Content-Length: $filesize");
+ }
+
+} // end fn SendDownloadHeaders