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|
#!/usr/bin/env python
# poit is copyright 2009 by Yang Zhao <yang@yangman.ca>
# This file is distributed under terms of Apache License, Version 2.0
# For full text of the license, see http://www.apache.org/licenses/LICENSE-2.0
from __future__ import print_function
import cgi
import base64
import getpass
import hashlib
import hmac
import logging
import logging.handlers
import os
import random
import re
import struct
import sys
import urllib
import pprint
from collections import Callable
from datetime import datetime
from optparse import OptionParser, OptionValueError
###########################################
##
# Check Python version, and do version-specific imports
py_version = sys.version_info[:2]
if py_version[0] == 3:
import configparser
import urllib.parse as urlparse
from http import cookies
elif py_version[1] >= 6:
import ConfigParser as configparser
import urlparse
from exceptions import IOError
import Cookie as cookies
else:
print('unsupported version of Python')
sys.exit(1)
import openid
from openid.server import server
from openid.server.server import Server as OpenIDServer, CheckIDRequest, CheckAuthRequest
from openid.extensions.sreg import SRegRequest, SRegResponse
from openid.store.filestore import FileOpenIDStore
from openid.store.memstore import MemoryStore
POIT_VERSION = "0.1"
DEFAULT_CONFIG_FILE = os.path.expanduser("~/.config/poit.conf")
DEFAULT_STYLESHEET = './poit.css'
CONFIG_REALM_PREFIX = 'realm|'
############################
# HTML
HTML_HEADER = '''<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<title>poit OpenID Server</title>
<link rel="stylesheet" href="{stylesheet}" type="text/css" />
</head><body>
'''
HTML_FORM_START = '<form action="{endpoint}" method="post" id="form_box">'
HTML_IDENTITY = '<p id="identity">{identity}</p>'
HTML_REALM = '<p id="realm_box">Authenticate to<br/><span id="realm_str">{realm}</span></p>'
HTML_FORM_PASSPHRASE = '''<p id="passphrase_box">
<label id="passphrase_label">Passphrase<br/>
<input type="password" id="passphrase_input" name="poit.passphrase" size="20" /></label>
</p>'''
HTML_FORM_HIDDEN = '<input type="hidden" name="{name}" value="{value}"/>'
HTML_BUTTONS_START = '<div id="buttons">'
HTML_BUTTON_AUTHENTICATE = '<button type="submit" name="poit.action" value="authenticate">Authenticate</button>'
HTML_BUTTON_CANCEL = '<button type="submit" name="poit.action" value="cancel">Cancel</button>'
HTML_BUTTON_LOGOUT = '<button type="submit" name="poit.action" value="expire">Expire Session</button>'
HTML_BUTTONS_END = '</div>'
HTML_FORM_END = '</form>'
HTML_FORM_ID_SELECT_START = '<p id="identity"><select name="poit.id" size="1">'
HTML_FORM_ID_SELECT_OPTION = '<option>{identity}</option>'
HTML_FORM_ID_SELECT_END = '</select></p>'
HTML_CB_REMEMBER_BASE = '<label><input type="checkbox" name="poit.allow_immediate"{0}/>Remember approval</label>'
HTML_CB_REMEMBER = HTML_CB_REMEMBER_BASE.format('')
HTML_CB_REMEMBER_CHECKED = HTML_CB_REMEMBER_BASE.format(' checked="checked"')
HTML_ERROR_MESSAGE = '<p id="error">{message}</p>'
HTML_AUTHENTICATED_INFO = '''<p class="info">You are already logged in to poit.</p>
<p class="info">You can now authenticate to OpenID-supporting sites without being asked for your
passphrase again.</p>'''
HTML_FOOTER = '''<p id="version">poit {version}</p>
<script type="text/javascript">
try{{document.getElementById('passphrase_input').focus();}}catch(e){{}}
</script>
</body></html>'''
HTML_DEBUG_START = '<pre id="debug">'
HTML_DEBUG_END = '</pre>'
#######################################
# Common functions
class BufferLogger(logging.Logger):
'''Logger which outputs only when explicitly told to do so'''
def __init__(self, name):
logging.Logger.__init__(self, name)
self._handler = logging.handlers.MemoryHandler(200)
self._handler.shouldFlush = lambda x: False
self._formatter = logging.Formatter("%(relativeCreated)04d %(levelname)s: %(message)s")
self.addHandler(self._handler)
def flush(self, file=sys.stdout):
target = logging.StreamHandler(file)
target.setFormatter(self._formatter)
self._handler.setTarget(target)
self._handler.flush()
target.flush()
self._handler.setTarget(None)
def html_mode(self):
self._formatter.format = lambda r: cgi.escape(logging.Formatter.format(self._formatter, r))
# Initialize a global Logger instance
logging.setLoggerClass(BufferLogger)
logger = logging.getLogger("buffered")
logger.setLevel(logging.DEBUG)
config = None
class OpenIDRealm(object):
def __init__(self, url, allow_immediate=False):
self.url = url
self.allow_immediate = allow_immediate
def apply_action(self, action):
"""Apply PoitAction realm profile changes"""
changed = False
if action.allow_immediate:
changed = (not self.allow_immediate)
self.allow_immediate = True
return changed
class ConfigManager(object):
'''Manages configuration, profile and session information'''
# Semantic: <section>: {<item>: (<type>, <default_value>),...}
CONFIG_DEFAULTS = {
'server': {'endpoint': (str, None), 'session_dir': (str, "~/.cache/poit/")},
'ui': {'stylesheet': (str, DEFAULT_STYLESHEET), 'debug': (bool, False)},
'security': {'session_time': (int, 21600), 'policy': (str, 'none')}}
@classmethod
def find_config_file(cls):
if 'POIT_CONFIG_FILE' in os.environ:
env_configfile = os.environ['POIT_CONFIG_FILE']
if os.path.exists(env_configfile):
return env_configfile
else:
logger.warn("`{0}' does not exist".format(env_configfile))
# XXX: Be strict about env var and bail here?
if os.path.exists(DEFAULT_CONFIG_FILE):
return DEFAULT_CONFIG_FILE
logger.debug("`{0}' does not exist".format(DEFAULT_CONFIG_FILE))
return None
def __init__(self, config_file):
'''Constructor
'''
self.config_file = config_file
self._unsaved_options = {}
self._keys_exist = False
self._dirty = False
self._parser = None
self._parser = configparser.SafeConfigParser()
self._parser.read(self.config_file)
# Make sure all the sections exist
for s in ["passphrase", "server", "ids", "ui", "security"]:
try: self._parser.add_section(s)
except configparser.DuplicateSectionError: pass
self._unsaved_options[s] = {}
# Sanity check values
self._keys_exist = self._parser.has_option("passphrase", "md5") and \
self._parser.has_option("passphrase", "sha512")
if not self._keys_exist:
logger.warning("Passphrase not set")
self.timeout = self.get_option('security', 'session_time')
self.debug = self.get_option('ui', 'debug')
# Session folder
session_dir = os.path.expanduser(self.get_option('server', 'session_dir'))
# FIXME: on OpenID request, reply with error
if not self.check_session_dir(session_dir):
raise IOError("Session directory not writable: " + session_dir)
def save(self):
'''Saves configuration to file. Assumes config_file is set.'''
if not self._dirty:
logger.debug("No config file change")
return True
logger.info("Saving configuration to " + self.config_file)
with open(self.config_file, 'w') as f:
self._parser.write(f)
def get_option(self, section, option):
try:
type, default = self.CONFIG_DEFAULTS[section][option]
except KeyError:
raise KeyError("No such option: {0}.{1}".format(section, option))
try:
return self._unsaved_options[section][option]
except KeyError:
if self._parser.has_option(section, option):
if type == str:
return self._parser.get(section, option)
elif type == int:
return self._parser.getint(section, option)
elif type == bool:
return self._parser.getboolean(section, option)
else:
return default() if isinstance(default, Callable) else default
def set_option(self, section, option, value, save=True):
try:
type, default = self.CONFIG_DEFAULTS[section][option]
except KeyError:
raise KeyError("No such option: {0}.{1}".format(section, option))
if save:
# Unset unsaved value
try: del self._unsaved_options[section][option]
except KeyError: pass
self._parser.set(section, option, value)
self._dirty = True
else:
self._unsaved_options[section][option] = value
def validate_passphrase(self, passphrase):
if not (self._keys_exist and passphrase): return False
def f(r, cipher):
return r and \
(getattr(hashlib, cipher)(passphrase).digest() ==
base64.b64decode(self._parser.get("passphrase", cipher)))
try:
return reduce(f, ["md5", "sha512"])
except TypeError:
logger.warn("Malformed passphrase hash found")
return False
def set_passphrase(self, passphrase):
for cipher in ["md5", "sha512"]:
self._parser.set("passphrase", cipher,
base64.b64encode(getattr(hashlib, cipher)(passphrase).digest()))
self._dirty = True
# Identity management
@staticmethod
def _hash_identity(id):
return "{0}_{1}".format(len(id), hashlib.md5(id).hexdigest()[0:16])
def add_identity(self, id):
# TODO: noop when already exist?
self._parser.set("ids", ConfigManager._hash_identity(id), id)
self._dirty = True
def validate_id(self, id):
try:
return self._parser.get("ids", ConfigManager._hash_identity(id)) == id
except (configparser.NoOptionError, configparser.NoSectionError):
return False
def get_identities(self):
return [x[1] for x in self._parser.items("ids")]
def get_passphrase_hash(self, hash):
return self._parser.get("passphrase", hash)
# Session Cookie methods
def _cookie_hash(self, time, msg):
key = reduce(lambda acum, x: acum + base64.b64decode(self._parser.get("passphrase", x)),
["sha512", "md5"], '')
h = hmac.new(key, digestmod=hashlib.sha512)
# FIXME: check for hashes not being available?
h.update(time)
h.update(msg)
return h.digest()
def validate_cookie_val(self, val):
vals = val.split(":")
try:
time_str = vals[0]
msg = base64.b64decode(vals[1])
hash = base64.b64decode(vals[2])
except (IndexError, TypeError):
logger.warn("Malformed cookie value: " + val)
return False
now = datetime.utcnow()
cookie_time = datetime.strptime(time_str, "%Y%m%d%H%M%S")
diff = (now - cookie_time).seconds
if diff < 0:
logger.warn("Cookie time in the future")
return False
elif diff > self.timeout:
logger.warn("Cookie timed out")
return False
elif not self._cookie_hash(time_str, msg) == hash:
logger.warn("Cookie hash not valid")
return False
return True
def create_cookie_val(self):
msg = struct.pack("33B", *(random.randint(0,255) for x in range(33)))
time = datetime.utcnow().strftime("%Y%m%d%H%M%S")
hash = self._cookie_hash(time, msg)
val = "{0}:{1}:{2}".format(time, base64.b64encode(msg), base64.b64encode(hash))
logger.debug("Cookie value: " + val)
return val
def force_https(self):
return self.get_option('security', 'policy') == "https"
@classmethod
def check_session_dir(cls, dir):
'''Check that session storage directory exists has correct permissions'''
# TODO: sanity check permissions when pre-existing
if not os.path.exists(dir):
try:
os.makedirs(dir, 0x1C0) # 0x1C0 = 0o700
except OSError as e:
logger.error("Cannot create {dir}: {e}".format(dir, str(e)))
return False
return True
def sreg_fields(self):
return dict(self._parser.items("sreg")) if self._parser.has_section("sreg") else None
# Realm profiles
def get_realm(self, name):
section = CONFIG_REALM_PREFIX + name
if not self._parser.has_section(section):
return None
realm = OpenIDRealm(name)
try:
realm.allow_immediate = self._parser.getboolean(section, 'immediate')
except (configparser.NoSectionError, configparser.NoOptionError, ValueError):
realm.allow_immediate = False
return realm
def save_realm(self, realm):
section = CONFIG_REALM_PREFIX + realm.url
if not self._parser.has_section(section):
self._parser.add_section(section)
self._parser.set(section, 'immediate', str(realm.allow_immediate))
self._dirty = True
#######################################
# CGI functions
class CGIParser(object):
'''Similar to cgi.FieldStorage, but specific to this script
Instanciate once only, as sys.stdin is read.
- OpenID fields are put into `openid' attribute.
- POST and GET fields are kept in `post' and `get' attributes,
respectively, with all OpenID fields filtered out
'''
def __init__(self):
self.openid = dict()
self.post = dict()
self.get = dict()
logger.debug("env:\n" + pprint.pformat(dict(os.environ)))
# Process openid keys from GET fields iff it is not a POST request
# Section 4.1.2 of spec
use_get = os.environ["REQUEST_METHOD"] != "POST"
for (key, val) in urlparse.parse_qsl(os.environ["QUERY_STRING"], keep_blank_values = True):
if key.startswith("openid."):
if use_get: self.openid[key] = val
else:
self.get[key] = val
logger.debug("GET fields:\n" + pprint.pformat(self.get))
# FIXME: This needs to be more robust
content_length = int(os.environ.get("CONTENT_LENGTH", 0))
if content_length:
content = sys.stdin.read(content_length)
if os.environ["CONTENT_TYPE"].startswith("application/x-www-form-urlencoded"):
fields = urlparse.parse_qsl(content)
for (key, val) in fields:
if key.startswith("openid."):
self.openid[key] = val
else:
self.post[key] = val
if 'poit.passphrase' in self.post:
p = self.post.copy()
p['poit.passphrase'] = "**REMOVED**"
logger.debug("POST fields:\n" + pprint.pformat(p))
else:
logger.debug("POST fields:\n" + pprint.pformat(self.post))
logger.debug("OpenID fields:\n" + pprint.pformat(self.openid))
def self_uri(self, https=False):
return "{scheme}://{server}{uri}".format(
scheme = ("https" if (os.environ.get("HTTPS", None) == "on" or https) else "http"),
server = os.environ["HTTP_HOST"],
uri = os.environ["SCRIPT_NAME"])
class Session(object):
def __init__(self, cgi_request):
logger.debug("Initializing session object")
self.cgi_request = cgi_request
self.authenticated = False
try:
self._cookie = cookies.SimpleCookie(os.environ["HTTP_COOKIE"])
except cookies.CookieError as e:
logger.warning("Bad cookie: " + str(e))
self._cookie = None
except KeyError:
self._cookie = None
if self._cookie:
# If cookie is found, check then purge it
try:
session = self._cookie['poit_session']
except KeyError:
pass
else:
if config.validate_cookie_val(session.value):
logger.info("Authenticated cookie session")
self.authenticated = True
self._cookie = None
def is_secure(self):
return os.environ.get("HTTPS", None) == "on"
def renew(self, timeout):
logger.debug("Renew session for {0}s".format(timeout))
if not self._cookie:
self._cookie = cookies.SimpleCookie()
endpoint = urlparse.urlparse(config.get_option('server', 'endpoint'))
self._cookie["poit_session"] = (config.create_cookie_val() if timeout else '')
val = self._cookie["poit_session"]
val["max-age"] = timeout
val["domain"] = endpoint.netloc
val["path"] = endpoint.path
val["httponly"] = True
if self.is_secure():
val["secure"] = True
def expire(self):
self.renew(0)
def cookie_output(self):
return self._cookie.output() if self._cookie else ""
class PoitAction(object):
def __init__(self):
self.type = None
self.identity = None
self.error = None
self.allow_immediate = False
def __str__(self):
return str({'type': self.type, 'identity': self.identity})
@classmethod
def from_request(cls, request, authenticated=False):
if 'poit.action' not in request:
return None
command = request['poit.action']
action = PoitAction()
if command == 'authenticate':
if authenticated:
action.type = 'authenticate'
elif 'poit.passphrase' in request and \
config.validate_passphrase(request['poit.passphrase']):
logger.info("Authenticated using passphrase")
action.type = 'authenticate'
else:
action.error = "Incorrect Passphrase"
action.type = 'ask_again'
action.identity = request.get('poit.id', None)
action.allow_immediate = (request.get('poit.allow_immediate', None) == 'on')
elif command in ['cancel', 'expire']:
action.type = command
return action
class CGIResponse(list):
"""Wraps all HTTP and HTML output"""
def __init__(self):
self.type = None
# OpenID request and response
self.response = None
self.identity = None
self.realm = None
self.error = None
self.redirect_url = None
self.headers = {}
def _build_body(self, session):
self.append(HTML_HEADER.format(stylesheet=config.get_option('ui', 'stylesheet')))
form_action = config.get_option('server', 'endpoint')
if session.is_secure():
form_action = re.sub("^http:", "https:", form_action)
self.append(HTML_FORM_START.format(endpoint=form_action))
# Identity list
if self.type == 'openid_authenticate':
# if identity is False but not None, then have user select one
if (self.identity is not None) and (not self.identity):
ids = config.get_identities()
if len(ids) == 1:
self.identity = ids[0]
self.append(HTML_IDENTITY.format(identity=self.identity))
self.append(HTML_FORM_HIDDEN.format(name='poit.id', value=self.identity))
else:
self.append(HTML_FORM_ID_SELECT_START)
for id in ids:
self.append(HTML_FORM_ID_SELECT_OPTION.format(identity=id))
self.append(HTML_FORM_ID_SELECT_END)
else:
self.append(HTML_IDENTITY.format(identity=self.identity))
self.append(HTML_REALM.format(realm=self.realm))
elif self.type == 'session_info':
ids = config.get_identities()
if len(ids) == 1:
self.append(HTML_IDENTITY.format(identity=ids[0]))
else:
self.append(HTML_IDENTITY.format(identity="{0} identities available".format(len(ids))))
if self.type == 'session_info':
self.append(HTML_AUTHENTICATED_INFO)
# Error message
if self.error:
self.append(HTML_ERROR_MESSAGE.format(message=self.error))
# Input fields
if self.type != 'error':
if not session.authenticated:
self.append(HTML_FORM_PASSPHRASE)
if self.type in ['openid_authenticate']:
self.append(HTML_CB_REMEMBER)
self.append(HTML_BUTTONS_START)
if self.type in ['openid_authenticate', 'plain_authenticate']:
self.append(HTML_BUTTON_AUTHENTICATE)
if self.type == 'openid_authenticate':
self.append(HTML_BUTTON_CANCEL)
elif self.type == 'session_info':
self.append(HTML_BUTTON_LOGOUT)
self.append(HTML_BUTTONS_END)
# OpenID fields
for (name, value) in session.cgi_request.openid.items():
self.append(HTML_FORM_HIDDEN.format(name=name, value=value))
self.append(HTML_FORM_END)
# Debug log
if config and config.debug:
self.append(HTML_DEBUG_START)
self.append(logger.flush)
if self.redirect_url:
self.append('Redirect: <a href="{0}">{0}</a>'.format(self.redirect_url))
self.append(HTML_DEBUG_END)
self.append(HTML_FOOTER.format(version=POIT_VERSION))
pass
def output(self, session, file=sys.stdout):
if self.type == 'openid_only':
print('Status: {0}'.format(self.response.code), file=file)
print('Content-Type: text/plain', file=file)
for (header, value) in self.response.headers:
print("{0}: {1}".format(header, value), file=file)
print('', file=file)
print(self.response.body)
return
elif self.type == 'no_config':
print('status: 500 poit: No configuration file found', file=file)
print('', file=file)
return
# Prepare output data
if config.debug:
if self.response:
logger.debug("OpenID response headers:\n" + pprint.pformat(self.response.headers))
if 'location' in self.response.headers:
self.redirect_url = self.response.headers['location']
logger.debug(session.cookie_output())
self._build_body(session)
headers = {}
body = self
else:
if self.redirect_url:
headers = {'Location': self.redirect_url}
body = []
elif self.response:
headers = self.response.headers
body = [self.response.body]
else:
self._build_body(session)
headers = self.headers
body = self
# Output
print('Content-Type: text/html', file=file)
for (header, value) in headers.items():
print("{0}: {1}".format(header, value), file=file)
cookie = session.cookie_output()
if cookie: print(cookie, file=file)
print('', file=file)
for data in body:
if type(data) is str:
print(data, end='', file=file)
else:
data(file)
def handle_sreg(request, response):
"""Handle any sreg data requests"""
sreg_req = SRegRequest.fromOpenIDRequest(request)
# Extract information if required
if sreg_req.wereFieldsRequested():
fields = config.sreg_fields()
if not fields: return
sreg_resp = SRegResponse.extractResponse(sreg_req, config.sreg_fields())
sreg_resp.toMessage(response.fields)
def handle_openid(session, server, request, response, action):
oid_response = None
if type(request) == CheckIDRequest:
response.identity = request.identity
response.realm = request.trust_root
answer_id = None
oid_response = False
if request.immediate:
if session.authenticated:
realm = config.get_realm(request.trust_root)
if realm and realm.allow_immediate:
if request.idSelect():
ids = config.get_identities()
if len(ids) == 1:
answer_id = config.get_identities()[0]
logger.info("ACCEPT (immediate): as '{0}'".format(answer_id))
oid_response = True
else:
logger.info("REJECT (immediate): need identity selection")
else:
logger.info("ACCEPT (immediate)")
oid_response = True
else:
logger.info("REJECT (immediate): not allowed")
else:
logger.info("REJECT (immediate): no session")
elif session.authenticated:
if request.idSelect():
if action:
answer_id = action.identity
else:
logger.info("PROMPT: Need identity selection")
response.type = 'openid_authenticate'
response.identity = False
return response
realm = config.get_realm(request.trust_root)
if not realm: realm = OpenIDRealm(request.trust_root, allow_immediate=False)
realm_modified = realm.apply_action(action) if action else False
id = answer_id if answer_id else request.identity
if config.validate_id(id):
oid_response = True
if not action and not realm.allow_immediate:
logger.info("PROMPT: Need explicit authentication")
response.type = 'openid_authenticate'
if request.idSelect():
response.identity = answer_id
return response
# Save realm profile if needed
if realm_modified:
config.save_realm(realm)
else:
logger.info("REJECT: Invalid ID: {0}".format(id))
else:
if not action or action.type == 'ask_again':
logger.info("PROMPT: {0} passphrase".format("Incorrect" if action else "Need"))
response.type = 'openid_authenticate'
if request.idSelect():
logger.info("identity_select mode")
response.identity = False
if action:
response.error = action.error
return response
elif action.type == 'cancel':
logger.info("REJECT: Denied by user")
else:
logger.warn("REJECT: Unexpected action: {0}".format(action.type))
if oid_response:
session.renew(config.timeout)
oid_response = request.answer(oid_response, identity=answer_id)
handle_sreg(request, oid_response)
logger.debug("Response:\n" + oid_response.encodeToKVForm())
else:
try:
oid_response = server.handleRequest(request)
except NotImplementedError as e:
oid_response = server.OpenIDResponse(None)
oid_response.fields['error'] = str(e)
return
else:
response.type = 'openid_only'
response.response = server.encodeResponse(oid_response)
return response
def handle_normal(session, response, action):
if action:
if action.type == 'ask_again':
response.error = action.error
elif action.type == 'expire':
session.authenticated = False
session.expire()
if session.authenticated:
session.renew(config.timeout)
response.type = 'session_info'
else:
response.type = 'plain_authenticate'
return response
def cgi_main():
logger.html_mode()
global config
cgi_request = CGIParser()
response = CGIResponse()
# Load configuration
config_file = ConfigManager.find_config_file()
if not config_file:
logger.error("No configuration file found")
response.type = 'no_config'
response.output(None)
return
else:
try:
config = ConfigManager(config_file)
except configparser.ParsingError as e:
logger.error('Unable to parse config file: {0}'.format(err))
response.error = "Error parsing poit configuration file"
if config:
# Make sure an endpoint is set
endpoint = config.get_option('server', 'endpoint')
if not endpoint:
endpoint = cgi_request.self_uri(https=config.force_https())
config.set_option('server', 'endpoint', endpoint, save=False)
logger.debug("Endpoint: " + endpoint)
ostore = FileOpenIDStore(os.path.expanduser(config.get_option('server', 'session_dir')))
oserver = OpenIDServer(ostore, endpoint)
logger.debug("Initialized server")
else:
# Stilll need to create a OpenIDServer to parse the request
ostore = MemoryStore()
oserver = OpenIDServer(ostore, "")
logger.debug("Initialized dummy server")
# Decode request
try:
request = oserver.decodeRequest(cgi_request.openid)
except server.ProtocolError as err:
logger.warn("Not an OpenID request: " + str(err))
request = None
session = Session(cgi_request)
# Redirect to HTTPS if required
if (not session.is_secure()) and config.force_https() and \
((not request) or type(request) == CheckIDRequest):
response.redirect_url = "{endpoint}?{fields}".format(
endpoint = re.sub("^http:", "https:", endpoint),
fields = urllib.urlencode(cgi_request.openid))
response.output(session)
return
action = PoitAction.from_request(cgi_request.post)
logger.debug("Action: " + str(action))
if action and action.type == 'authenticate' and not session.authenticated:
session.authenticated = True
if request:
handle_openid(session, oserver, request, response, action)
else:
handle_normal(session, response, action)
config.save()
ostore.cleanup()
response.output(session)
#######################################
# Commandline mode functions
def setup_option_parser():
parser = OptionParser(description="Modify poit configuration file",
usage="%prog [options] <config_file>",
version="poit {0}".format(POIT_VERSION))
parser.add_option("-a", "--add-identity", action="append", dest="new_identity",
help="Add a new identity")
parser.add_option("-p", "--passphrase", action="store_true", dest="passphrase",
help="Set a new passphrase")
parser.add_option("--security", dest="policy",
type="choice", choices=["none", "https"],
help="Set server's security policy: none or https")
parser.add_option("-v", "--verbose", action="store_true", dest="debug",
help="Show debugging messages")
return parser
def cli_main():
global config
parser = setup_option_parser()
try:
(options, args) = parser.parse_args()
except OptionValueError:
sys.exit(1)
no_opts = True
config_file = None
def new_file_prompt(path):
path = os.path.abspath(path)
r = raw_input("Crate new configuration file at {0}? [Y/n]: ".format(path))
r = r.lower() if r else "y"
if r[0] == "y":
dir_path = os.path.dirname(path)
if not os.path.exists(dir_path):
os.makedirs(dir_path, 0x1C0)
config_file = DEFAULT_CONFIG_FILE
with open(config_file, 'w'): pass
return True
else:
return False
if args:
config_file = args[0]
if not os.path.exists(config_file):
print("No configuration file at {0}".format(config_file))
if not new_file_prompt(config_file):
sys.exit(0)
else:
config_file = ConfigManager.find_config_file()
if not config_file:
config_file = DEFAULT_CONFIG_FILE
print("No configuration file found")
if not new_file_prompt(config_file):
sys.exit(0)
print("Using {0}".format(config_file))
config = ConfigManager(config_file)
if options.new_identity:
no_opts = False
for id in options.new_identity:
config.add_identity(id)
print("Added new identity: " + id)
if options.policy:
no_opts = False
config.set_option('security', 'policy', options.policy)
print("Setting security policy to: {0}".format(options.policy))
if options.passphrase:
no_opts = False
try:
new_pass = getpass.getpass("New passphrase: ")
except getpass.GetPassWarning:
print("Your input may be echoed and your new passphrase compromised. Aborting.",
file=sys.stderr)
sys.exit(1)
if new_pass != getpass.getpass("Confirm new passphrase: "):
print("Passphrases do not match")
sys.exit(1)
config.set_passphrase(new_pass)
print("New passphrase set")
if no_opts:
parser.print_help()
else:
config.save()
if options.debug:
logger.flush()
#-----------------------------
if __name__ == '__main__':
if 'REQUEST_METHOD' in os.environ:
cgi_main()
else:
cli_main()
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