Bug #63414 [NoF->Csd]: built-in upload progress mechanism does not work with custom session handler
Edit report at https://bugs.php.net/bug.php?id=63414&edit=1
ID: 63414
User updated by: anton dot gudkov at flatstack dot com
Reported by: anton dot gudkov at flatstack dot com
Summary: built-in upload progress mechanism does not work
with custom session handler
-Status: No Feedback
+Status: Closed
Type: Bug
Package: *General Issues
Operating System: ubuntu 12.04 x86_64
PHP Version: 5.4.8
Block user comment: N
Private report: N
New Comment:
I've provided feedback on how to reproduce this issue at 2012-12-06 15:53 UTC
Previous Comments:
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[2013-02-18 00:36:05] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
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[2012-12-06 15:53:21] anton dot gudkov at flatstack dot com
Hi. Here is the script example which reproduces "upload progress doesn't work".
Sorry for the huge script, but it couldn't be more simplier. Here is it:
<?php
/* if you set any writeable/readable dir to store sessions
upload progress will not work. But if you comment this line,
it will work. */
session_save_path('/tmp');
session_start();
$uploadName = 'test'; //upload unique name
if (isset($_GET['ajax'])) {
if (isset($_SESSION["upload_progress_$uploadName"])) {
$progress = $_SESSION["upload_progress_$uploadName"];
$percent = round(100 * $progress['bytes_processed'] /
$progress['content_length']);
echo "Upload progress: $percent%<br /><pre>" . print_r($progress, 1) .
'</pre>';
} else {
echo 'no uploading';
}
exit;
} elseif (isset($_GET['frame'])) { ?>
<form action="" method="POST" enctype="multipart/form-data">
<input type="hidden"
name="<?=ini_get("session.upload_progress.name")?>"
value="<?=$uploadName?>" /><br />
<input type="file" name="file" /><br />
<input type="submit" />
</form>
<?php } else { ?>
<iframe src="?frame" height="100"
width="500"></iframe>
<script
src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script>
$(function() {
setInterval(function() {
$.get('?ajax', function(data) {
$('#ajax').html(data);
});
}, 500);
});
</script>
<div id="ajax"></div>
<?php }
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[2012-11-21 23:21:18] chad dot scott at gmail dot com
I haven't gone deep enough into the PHP source to identify what's going on, but it
appears that PHP writes the upload progress session data using the handler set in
"session.save_handler", ignoring any custom session handler. On Ubuntu 12.04 with
the default settings, this means the data is going into "/var/lib/php5/sess_<id>".
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[2012-11-02 02:57:44] laruence@php.net
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves.
A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external
resources such as databases, etc. If the script requires a
database to demonstrate the issue, please make sure it creates
all necessary tables, stored procedures etc.
Please avoid embedding huge scripts into the report.
could you make a simple test script to illustrate your point? thanks
------------------------------------------------------------------------
[2012-11-01 18:21:07] anton dot gudkov at flatstack dot com
Description:
------------
By default php stores sessions in files (default filepath is /var/lib/php5).
If we want to store sessions, for example, in database, upload progress info
doesn't appears there. Even If we change session_save_path to another directory we
will get the same problem.
P.S. script example you could get here:
https://github.com/ihabunek/php-upload-progress
and custom session handler example here:
http://durak.org/sean/pubs/software/php-5.4.6/function.session-set-save-
handler.html
Thanks,
Anton
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