When I try to open window.open('file///C:\calendar.html') it throws
Access Denied error
How do I fix this? Thanks
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2What is the context? Where is this Javascript code located?Pointy– Pointy2010-11-22 15:22:30 +00:00Commented Nov 22, 2010 at 15:22
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Are you going to accept one of the answers below? :D *jumps*Victor Zamanian– Victor Zamanian2010-12-22 13:30:17 +00:00Commented Dec 22, 2010 at 13:30
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2 Answers
Usually you'll won't be allowed to open files from the client's filesystem as this would pose a huge security hole. No browsers would allow it.
You could use signed scripts to do that. For a detailed description check: http://www.mozilla.org/projects/security/components/signed-scripts.html This is of course browser specific.
answered Nov 22, 2010 at 15:39
Ioan Alexandru Cucu
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3 Comments
karlihnos
Why is it a security hole? The browser is trying to open a program in your local PC. I dont get it.
Ioan Alexandru Cucu
Because any attacker could write javascript that runs on the victim's computer, reads confidential files and sends the content to the attacker.
RokeJulianLockhart
@IoanAlexandruCucu, this also applies when the user runs JS in the inspection console, though.
Could it be that the colon is missing?
'file:///C:\calendar.html'
Edit: Might also need to do only two forward slashes, and escape the backslash: 'file://C:\\calendar.html'. Not sure you can open local files via JavaScript though, like the other answer says.
