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

  • Committer: William Grant
  • Date: 2009-02-17 03:24:50 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-20090217032450-r7z6k1k5i9urexe8
Support downloading of a selection of files as a zip.
Again.

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ivle/webapp/filesystem/serve/__init__.py
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        serve_file(req, owner, jail, path)
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class DownloadView(ServeView):
 
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    def __init__(self, req, path):
 
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        super(DownloadView, self).__init__(req, path)
 
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        filelist = req.get_fieldstorage().getlist('path')
 
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        if filelist:
 
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            self.files = [f.value for f in filelist]
 
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        else:
 
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            self.files = None
 
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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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        serve_file(req, owner, jail, path, download=True, files=self.files)
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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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    # their own files, and can access all of them).
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    return studpath.authorize(req, req.user)
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def serve_file(req, owner, jail, path, download=False):
 
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def serve_file(req, owner, jail, path, download=False, files=None):
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    """Serves a file, using one of three possibilities: interpreting the file,
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    serving it directly, or denying it and returning a 403 Forbidden error.
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    No return value. Writes to req (possibly throwing a server error exception
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    if not authorize(req):
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        raise Unauthorized()
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    args = [path]
 
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    args = []
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    if download:
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        args.insert(0, '-d')
 
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        args.append('-d')
 
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    if files and download:
 
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        args += [os.path.join(path, f) for f in files]
 
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    else:
 
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        args.append(path)
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    # TODO: Download. Content-Disposition, etc.
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    (out, err) = ivle.interpret.execute_raw(req.user, jail, '/home',