view roundup/cgi/exceptions.py @ 5350:66a17c80e035

Force all uses of random to use SystemRandom and abort if pseudorandom random.Random would be used rather than Random.SystemRandom. random.Random is returning the same value time after time. Even when being seeded after instantiation, calls to the random.random() function return the same value like it's not advanceing the state of the generator. So "fix" is to force use of system random generator to generate: one time keys for password reset (action.py) random passwords when resetting passwords (password.py) serial number for auto ssl cert generation (roundup_server.py) Message-ID's in email: mailgw.py, client.py anti-csrf nonces (templating.py)
author John Rouillard <rouilj@ieee.org>
date Sat, 07 Jul 2018 22:02:41 -0400
parents 32f95ec6bd8e
children 07abc8d36940
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"""Exceptions for use in Roundup's web interface.
"""

__docformat__ = 'restructuredtext'

from roundup.exceptions import LoginError, Unauthorised
import cgi

class HTTPException(BaseException):
    pass

class Redirect(HTTPException):
    pass

class NotFound(HTTPException):
    pass

class NotModified(HTTPException):
    pass

class DetectorError(BaseException):
    """Raised when a detector throws an exception.
Contains details of the exception."""
    def __init__(self, subject, html, txt):
        self.subject = subject
        self.html = html
        self.txt = txt

class FormError(ValueError):
    """An 'expected' exception occurred during form parsing.

    That is, something we know can go wrong, and don't want to alarm the user
    with.

    We trap this at the user interface level and feed back a nice error to the
    user.

    """
    pass

class SendFile(BaseException):
    """Send a file from the database."""

class SendStaticFile(BaseException):
    """Send a static file from the instance html directory."""

class SeriousError(BaseException):
    """Raised when we can't reasonably display an error message on a
    templated page.

    The exception value will be displayed in the error page, HTML
    escaped.
    """
    def __str__(self):
        return """
<html><head><title>Roundup issue tracker: An error has occurred</title>
 <link rel="stylesheet" type="text/css" href="@@file/style.css">
</head>
<body class="body" marginwidth="0" marginheight="0">
 <p class="error-message">%s</p>
</body></html>
"""%cgi.escape(self.args[0])

# vim: set filetype=python sts=4 sw=4 et si :

Roundup Issue Tracker: http://roundup-tracker.org/