'Opt in to a quarantined subreddit'

@require_oauth2_scope('subscribe')
@noresponse(VUser(), VModhash(), sr=VSRByName('sr_name'))
def POST_quarantine_optin(self, sr):

    if (not sr):
        return abort(404, 'not    found')
    elif (not c.user.email_verified):
        return abort(403, 'email    not    verified')
    else:
        g.events.quarantine_event('quarantine_opt_in', sr, request=request, context=c)
        QuarantinedSubredditOptInsByAccount.opt_in(c.user, sr)
    return self.redirect(('/r/%s' % sr.name))
