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# coding=utf-8 |
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from __future__ import absolute_import |
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import json |
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import ldap |
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from octoprint_auth_ldap.constants import AUTH_PASSWORD, AUTH_USER, DISTINGUISHED_NAME, OU, OU_FILTER, OU_MEMBER_FILTER, \ |
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REQUEST_TLS_CERT, SEARCH_BASE, URI |
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from octoprint_auth_ldap.tweaks import DependentOnSettingsPlugin |
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class LDAPConnection(DependentOnSettingsPlugin): |
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def __init__(self, plugin): |
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DependentOnSettingsPlugin.__init__(self, plugin) |
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def get_client(self, user=None, password=None): |
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uri = self.settings.get([URI]) |
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if not uri: |
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self.logger.debug("No LDAP URI") |
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return None |
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if not user: |
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user = self.settings.get([AUTH_USER]) |
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password = self.settings.get([AUTH_PASSWORD]) |
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try: |
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self.logger.debug("Initializing LDAP connection to %s" % uri) |
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client = ldap.initialize(uri) |
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if self.settings.get([REQUEST_TLS_CERT]): |
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self.logger.debug("Requesting TLS certificate") |
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client.set_option(ldap.OPT_X_TLS_REQUIRE_CERT, ldap.OPT_X_TLS_DEMAND) |
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else: |
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client.set_option(ldap.OPT_X_TLS_REQUIRE_CERT, ldap.OPT_X_TLS_NEVER) |
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if user is not None: |
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self.logger.debug("Binding to LDAP as %s" % user) |
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client.bind_s(user, password) |
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return client |
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except ldap.INVALID_CREDENTIALS: |
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self.logger.error("Invalid credentials to bind to LDAP as %s" % user) |
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except ldap.LDAPError as e: |
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self.logger.error(json.dumps(e)) |
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return None |
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def search(self, ldap_filter, base=None, scope=ldap.SCOPE_SUBTREE): |
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if not base: |
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base = self.settings.get([SEARCH_BASE]) |
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try: |
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client = self.get_client() |
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if client is not None: |
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# self.logger.debug("Searching LDAP, base: %s and filter: %s" % (base, ldap_filter)) |
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result = client.search_s(base, scope, ldap_filter) |
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client.unbind_s() |
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if result: |
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dn, data = result[0] |
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""" |
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# Dump LDAP search query results to logger |
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self.logger.debug("dn: %s" % dn) |
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for key, value in data.items(): |
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self.logger.debug("%s: %s" % (key, value)) |
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""" |
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return dict(dn=dn, data=data) |
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except ldap.LDAPError as e: |
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self.logger.error(json.dumps(e)) |
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return None |
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def get_ou_memberships_for(self, dn): |
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memberships = [] |
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ou_common_names = self.settings.get([OU]) |
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if ou_common_names is None: |
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return False |
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ou_filter = self.settings.get([OU_FILTER]) |
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ou_member_filter = self.settings.get([OU_MEMBER_FILTER]) |
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for ou_common_name in str(ou_common_names).split(","): |
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result = self.search("(&" + |
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"(" + ou_filter % ou_common_name.strip() + ")" + |
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"(" + (ou_member_filter % dn) + ")" + |
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")") |
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if result is not None: |
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self.logger.debug("%s is a member of %s" % (dn, result[DISTINGUISHED_NAME])) |
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memberships.append(ou_common_name) |
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return memberships |
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class DependentOnLDAPConnection: |
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# noinspection PyShadowingNames |
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def __init__(self, ldap): |
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self._ldap = ldap |
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@property |
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def ldap(self): |
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return self._ldap |
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