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# IVLE - Informatics Virtual Learning Environment
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# Copyright (C) 2007-2008 The University of Melbourne
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Script: interpretservice
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# A CGI script for interpreting files.
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from common import (cgirequest, studpath)
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req = cgirequest.CGIRequest()
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req.install_error_handler()
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# Work out the parts of the URL
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url = urlparse.urlparse(req.path)
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username, _, filename = studpath.url_to_jailpaths(urlpath)
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python = "/usr/bin/python"
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# Everything should be done from the home directory
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os.chdir(os.path.join('/home', username))
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req.throw_error(req.HTTP_NOT_FOUND, "The path specified is invalid.")
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elif not os.access(filename, os.R_OK):
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req.throw_error(req.HTTP_NOT_FOUND,
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"The specified file (%s) does not exist." % urlpath)
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if os.path.isdir(filename):
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# 403 Forbidden error for visiting a directory
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# (Not giving a directory listing, since this can be seen by
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# the world at large. Directory contents are private).
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req.throw_error(req.HTTP_FORBIDDEN,
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"The path specified is a directory.")
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# We'll save on a fork and execute in this python process
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# Let exceptions blow up normally again
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sys.excepthook = sys.__excepthook__
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execfile(filename, {})
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# Non-Python process should probably use something like
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# subprocess.call([python, filename])