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Damon Edwards
Damon Edwards
Inspiring
Feb 26, 2009 9:24 PM UTC
Question

SecurityError: fileWriteResource

Hello all, I'm having a little difficulty reading, then writing to a XML file in the applicationDirectory. I can read from it fine, parse the results, close the stream. However, when it comes time to write to the file, I get this error thrown:

SecurityError: fileWriteResource
at runtime::SecurityManager$/checkPrivilegeForCaller()
at flash.filestream::FileStream/open()
... (the rest is my stuff)
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10 replies

Derils
Participant
Sep 6, 2011 10:47 AM UTC

Hi, this is how I solved/hacked the problem.

var filePath:String = "app:/" + FileNames.DATA_COMMENTS_DIR + "/" + fileName;

var appDirFile:File = new File(filePath);
var xmlFile:File = new File(appDirFile.nativePath);
var fileStream:FileStream = new FileStream();
fileStream.open(xmlFile, FileMode.WRITE);
fileStream.writeUTFBytes(newXMLStr);
fileStream.close();
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Anonymous
Mar 3, 2009 7:32 PM UTC
I am trying to do the same thing. I see now that is it read-only. However, when an AIR application is uninstalled the applicationStorageDirectory is not cleared or removed. I am trying to create a screen that thanks the user upon install, meaning when the app is uninstalled I would need to clear out the memory of it ever being installed. The applicationDirectory is removed, but it isn't writable. HMM, any suggestions guys?

Thanks!
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Damon Edwards
Damon EdwardsAuthor
Inspiring
Feb 26, 2009 10:41 PM UTC
As I expected. Thanks Ted.
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Andreiut
Participant
Jul 3, 2009 7:17 AM UTC

The solution is to use a line like

myFile = new File(pathAsString);

so use the File(path) constructor. Then you will be able to write files in the application directory. Solution found at http://exaflood.de/syrotech/air-securityerror-filewriteresource/.

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    losing
    Participant
    Aug 17, 2010 3:03 AM UTC

    This does not seem to be working in AIR 2.  Can anyone else confirm this?

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    Adobe Employee
    active_customer16B8
    Adobe Employee
    Feb 26, 2009 10:30 PM UTC
    You should not write the application directory.

    -ted
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    sobeit735
    Participant
    May 30, 2011 11:17 PM UTC

    ...

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    Damon Edwards
    Damon EdwardsAuthor
    Inspiring
    Feb 26, 2009 10:02 PM UTC
    ahh, the application directory is read only. so, i'm assuming that goes for any child directories as well? The file I'm trying to read-write to is a file I've included in the packaging of the application. It's not in the same directory as the application, but one folder down, in a folder call "security". I must be assuming correctly that these are read only as well, and that I should be using applicationStorageDirectory instead?

    That'll work, but sucks because being able to include a default file saves time coding since I don't have to write the logic to check if it exists first, then create if doesn't, and so on.
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