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Viewing changes to ivle/webapp/filesystem/serve/__init__.py

  • Committer: William Grant
  • Date: 2009-02-17 01:54:18 UTC
  • mto: (1099.1.143 new-dispatch)
  • mto: This revision was merged to the branch mainline in revision 1100.
  • Revision ID: grantw@unimelb.edu.au-20090217015418-9ogs10pe3lfmpo09
Implement a DownloadView. It mostly works.

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ivle/webapp/filesystem/serve/__init__.py
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            # There is no user.
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            raise NotFound()
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        self.serve(req, owner, jail, path)
 
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    def serve(self, req, owner, jail, path):
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        serve_file(req, owner, jail, path)
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class DownloadView(ServeView):
 
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    def serve(self, req, owner, jail, path):
 
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        serve_file(req, owner, jail, path, download=True)
 
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def authorize(req):
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    """Given a request, checks whether req.username is allowed to
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    access req.path. Returns True on authorization success, False on failure.
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    if not authorize(req):
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        raise Unauthorized()
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    args = [path]
 
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    if download:
 
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        args.insert(0, '-d')
 
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    # TODO: Download. Content-Disposition, etc.
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    (out, err) = ivle.interpret.execute_raw(req.user, jail, '/home',
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                os.path.join(ivle.conf.share_path, 'services/serveservice'),
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                [path])
 
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                args)
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    assert not err
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    # Remove the JSON from the front of the response, and decode it.
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            raise AssertionError('Unknown error from serveservice: %s' %
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                                 response['error'])
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    if download:
 
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        req.headers_out["Content-Disposition"] = \
 
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                     "attachment; filename=%s" % response['name']
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    req.content_type = response['type']
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    req.write(out)
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class Plugin(ViewPlugin):
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    urls = [
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        ('serve/*path', ServeView)
 
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        ('serve/*path', ServeView),
 
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        ('download/*path', DownloadView),
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    ]