Investigate implementing the file matching logic in DatabasePermission using
FilePermission
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Key: DERBY-3482
URL: https://issues.apache.org/jira/browse/DERBY-3482
Project: Derby
Issue Type: Sub-task
Components: Security
Reporter: Daniel John Debrunner
Priority: Minor
Since the rules for the database path in DatabasePermission match
FilePermission it might make sense to use the existing logic to determine the
path instead of re-implementing complex logic.
I had a quick try that removed most of the code (always good) but I couldn't
get the test SystemPrivilegesPermissionTest to run.
In initLocation after getting 'p' the only line needed was creating a file
permission object.
String p = url.substring(URL_PROTOCOL_DIRECTORY.length());
filePermission = new FilePermission(p.replace('/', File.separatorChar),
"read");
Then the implies method reduces to:
return filePermission.implies(that.filePermission);
and similar for hashCode and equals.
Once the major changes for DERBY-2109 have been committed it would be a good
item to investigate.
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