Question

Access Denied in IE 6 using HTTPS and File Upload

Asked by: Dain_Anderson

Hello,

I'm hoping someone can help me here. I've got a form that when placed on a server running HTTPS, I get an "access denied" error in IE 6 (non-SP2 and SP-2) when a user tries to upload an image using a file upload form control.

I read something about the onClick() event handler causing it, but I've yet to see a fix or workaround for this. I've posted the form and JavaScript below.

Thanks for any help anyone can provide,

-DA

<form name="myForm" enctype="multipart/form-data"
    action="index.cfm?Action=PhotoUpload" method="post">
    <label for="taDescription">Description:</label>
    <br />
    <textarea id="taDescription" name="description"></textarea>
    <p />
    <label for="fuFile">Photo to upload:</label>
    <br />
    <input id="fuFile" name="upFile" type="file" />
    <br />
    <input type="button" value="Send Now" onClick="submitForm()" />
</form>

<script language="JavaScript">
<!--
function submitForm()
{
    if (!document.myForm.upFile.value.length)
    {
        alert("Please select a file to upload.");
        return false;
        }
    if (!document.myForm.description.value.length)
    {
        alert("Description is required for accessibility.");
        return false;
        }
    document.myForm.submit();
}
// -->
</script>

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Asked On
2004-11-30 at 06:55:48ID21224693
Tags

access

,

denied

,

upload

,

file

Topic

JavaScript

Participating Experts
3
Points
500
Comments
9

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Answers

 

by: GwynforWebPosted on 2004-11-30 at 06:57:58ID: 12706351

youvan get rid of th onclick with changing th eSen Now button to

<input type="submit" value="Send Now"/>

 

by: jpontaniPosted on 2004-11-30 at 07:00:43ID: 12706387

If you do the above method you would need to add

onsubmit="submitForm()"

to the <form> element.

- Joe

 

by: ZvonkoPosted on 2004-11-30 at 07:03:54ID: 12706424

I see no error on your page, but I would rewrite it to this:


<form name="myForm" enctype="multipart/form-data"
    action="index.cfm?Action=PhotoUpload" method="post" onSubmit="return checkForm(this)">
    <label for="taDescription">Description:</label>
    <br />
    <textarea id="taDescription" name="description" rows="3" cols="50" ></textarea>
    <p />
    <label for="fuFile">Photo to upload:</label>
    <br />
    <input id="fuFile" name="upFile" type="file" size="40" />
    <br />
    <input type="submit" value="Send Now" />
</form>

<script language="JavaScript">
<!--
function checkForm(theForm){
    if (theForm.upFile.value.length==""){
        alert("Please select a file to upload.");
        theForm.upFile.focus();
        return false;
    }
    if (theForm.description.value==""){
        alert("Description is required for accessibility.");
        theForm.description.focus();
        return false;
    }
    return true;
}
// -->
</script>


 

by: Dain_AndersonPosted on 2004-11-30 at 08:00:45ID: 12707097

Thank you very much -- worked like a charm.

One additional note, one of which I failed to note, is that we also had the following code which was causing issues:

window.onload = function() {
      document.myForm.upFile.click();
}

This would open the file upload dialog window upon entering the page, but upon submitting the form, it would seem to "clear" out the contents of the file upload form control, forcing the user to re-select the image to upload. We just decided to remove this, since I'm not sure how to prevent that from happening.

Thanks again,

-Dain

 

by: ZvonkoPosted on 2004-11-30 at 09:07:51ID: 12707926

Thanks for points.
I have heard before of that file control click simulation problem.
Perhaps it would help to do the click like this:

<input id="fuFile" name="upFile" type="file" size="40" />
<script>setTimeout("document.myForm.upFile.click();", 100)</script>

 

by: Dain_AndersonPosted on 2004-11-30 at 09:16:33ID: 12708019

Great idea -- I'll give it a try.

Thanks,

-Dain

 

by: ZvonkoPosted on 2004-11-30 at 09:27:26ID: 12708150

Perhaps great idea, but I am not sure wether it works.
As far as I can remember does the IE browser on MAC not allow to trigger the file control object, because of security issues.

 

by: Dain_AndersonPosted on 2004-11-30 at 11:07:31ID: 12709188

Not sure, but I know it doesn't seem to work in FireFox. I have an iBook here as well that I could test it with if you want to know, but I think it's kind of a bad idea anyway (I wasn't the original coder for the page) since it seems kind of annoying for the user.

 

by: ZvonkoPosted on 2004-11-30 at 11:10:13ID: 12709233

No it is not necessary (I need not to know everything :)  but thanks for the offer.

20120131-EE-VQP-002

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