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import re
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from mandaye import config
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from mandaye.backends.default import ManagerSPUser
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from mandaye.log import logger
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from mandaye.response import template_response
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class MandayeFilter(object):
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""" Default Mandaye filter
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This class allows to filter the request (cookies, headers and the message-body)
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and the response (cookies, headers and message-body)
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"""
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@staticmethod
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def on_request(env, values, request):
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target = env['target']
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referer = request.headers.getheader('referer')
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if referer:
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referer = referer.replace(env["HTTP_HOST"], target.hostname)
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request.headers.addheader("Referer", referer)
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origin = request.headers.getheader('origin')
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if origin:
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origin = origin.replace(env["HTTP_HOST"], target.hostname)
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request.headers.addheader("Origin", origin)
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# Add forwarded header like Apache
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request.headers.addheader('X-Forwarded-For', env['REMOTE_ADDR'])
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request.headers.addheader('X-Forwarded-Host', env['HTTP_HOST'])
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return request
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@staticmethod
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def on_response(env, values, request, response):
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target = env['target']
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# Modify cookies
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src_hostname = re.sub(":\d*$", "", env["HTTP_HOST"])
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for cookie in response.cookies.values():
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if cookie.has_key('domain'):
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cookie['domain'] = re.sub('^\.*%s$' % (target.hostname),
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src_hostname, cookie['domain'])
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# Modify headers
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blacklist = ['transfer-encoding', 'content-length']
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for key, value in response.headers.iteritems():
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if key == 'location':
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location = value[0].replace(target.geturl(),
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"%s://%s" % (env['mandaye.scheme'], env["HTTP_HOST"]))
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response.headers['location'] = [location]
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for name in blacklist:
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if response.headers.has_key(name):
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del response.headers[name]
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return response
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@staticmethod
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def fix_response_abs_url(env, values, request, response):
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if response.msg:
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response.msg = re.sub(r'%s[:\d]*' % env["target"].geturl(),
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r"%s://%s" % (env["mandaye.scheme"], env["HTTP_HOST"]),
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response.msg, flags=re.IGNORECASE)
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if env["mandaye.scheme"] == 'https':
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response.msg = response.msg.replace('http://' + env["HTTP_HOST"],
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'%s://%s' % (env["mandaye.scheme"], env["HTTP_HOST"]))
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return response
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@staticmethod
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def addtoolbar(env, values, request, response):
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if env['beaker.session'].has_key('unique_id'):
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response.msg = response.msg.replace(
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'</head>',
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'<script src="%s/js/toolbar.js" type="text/javascript"></script>\
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<link rel="stylesheet" type="text/css" href="%s/css/toolbar.css">\
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</head>' % (config.static_url, config.static_url))
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return response
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@staticmethod
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def toolbar(env, values, request, response):
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values['urls'] = env['urls']
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if env['beaker.session'].get('unique_id'):
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current_account = None
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site_name = env["mandaye.config"]["site_name"]
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if env['beaker.session'].get(site_name):
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logger.debug('toolbar there is one : %r' % \
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ManagerSPUser.get_by_id(env['beaker.session'].get(site_name)))
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current_account = ManagerSPUser.get_by_id(env['beaker.session'].get(site_name))
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else:
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logger.debug('toolbar : no account')
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values['account'] = current_account
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return template_response("toolbar.html", values)
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