File browse point questions...
Hi all..Please help me with these questions on the point of ""file_browse"
I have a file browse the element on a page, as in the following application.
http://Apex.Oracle.com/pls/Apex/f?p=62812:1
(1) when the user select a file with the Browse button, we get the
'' ' file path' ' ' in the text field.
Is it possible to validate (via javascript or any other way), whether that particular
""file path"" is correct and a valid file exist as per the ""file path""??
The reason for this validation is, sometimes, our users will copy the "" file path"" instead of using theBrowse folder button.
(2) http://apex.oracle.com/pls/apex/f?p=62812:1
If users enter a valid, but on the page in question if path I validations,
If none of the checks fails, the compensation of the "" file path"" entered by the user.
Is it possible to retain the ""file_path"" that the users entered? even if any validations fail?
EX: on the next pagehttp://Apex.Oracle.com/pls/Apex/f?p=62812:1
Please
(i) select a valid file in the element "" Browse file"" and
(II) "" do not select any selection list "" value
(III) click Download.
validation will be fired and path of the file get authorized.
Thank you
Kumar wrote:
Thanks for the reply College...COLLEGE. just curious, what security question catch one, if the element to browse file retains the "" file path"" they previously selected...
The question is not the server now file "previously selected", but maliciously change the value to capture a file that the user cannot have intended to submit (by example/etc/passwd) when the invalid page is returned.
every time, when little validation fails, ' 'user must reselect this file. ??
For their own safety, Yes.
even it is in session... for a common State, he feels that he was allowed out and will need to ' "reselet" ' the file again... ".
It is recommended to clean all files subject to validations related APEX_APPLICATION_FILES stops working.
Y at - there no other solution for this problem? or is it (file browse article) just how it behaves?
In order to ensure a safe and secure environment web is how he's got to behave.
Good user interface design can be used to minimize the impact on users by isolating classify them the navigation items on different pages for items that are prone to failure of the validation by the use of pages multiple assistants etc.
Tags: Database
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