mirror of
https://github.com/cwinfo/powerdns-admin.git
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Merge branch 'improve-saml-support'
This commit is contained in:
Khanh Ngo
commit
ee2ed65ff9
@ -3,6 +3,7 @@ import json
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import requests
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import hashlib
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import ipaddress
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import os
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from app import app
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from distutils.version import StrictVersion
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@ -244,10 +245,12 @@ def init_saml_auth(req):
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else:
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settings['sp']['NameIDFormat'] = idp_data.get('sp', {}).get('NameIDFormat', 'urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified')
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settings['sp']['entityId'] = app.config['SAML_SP_ENTITY_ID']
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cert = open(CERT_FILE, "r").readlines()
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key = open(KEY_FILE, "r").readlines()
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settings['sp']['privateKey'] = "".join(key)
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settings['sp']['x509cert'] = "".join(cert)
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if os.path.isfile(CERT_FILE):
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cert = open(CERT_FILE, "r").readlines()
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settings['sp']['x509cert'] = "".join(cert)
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if os.path.isfile(KEY_FILE):
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key = open(KEY_FILE, "r").readlines()
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settings['sp']['privateKey'] = "".join(key)
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settings['sp']['assertionConsumerService'] = {}
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settings['sp']['assertionConsumerService']['binding'] = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST'
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settings['sp']['assertionConsumerService']['url'] = own_url+'/saml/authorized'
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@ -273,7 +276,7 @@ def init_saml_auth(req):
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settings['security']['nameIdEncrypted'] = False
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settings['security']['signMetadata'] = True
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settings['security']['wantAssertionsSigned'] = True
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settings['security']['wantMessagesSigned'] = True
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settings['security']['wantMessagesSigned'] = app.config.get('SAML_WANT_MESSAGE_SIGNED', True)
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settings['security']['wantNameIdEncrypted'] = False
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settings['contactPerson'] = {}
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settings['contactPerson']['support'] = {}
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84
app/views.py
84
app/views.py
@ -293,27 +293,42 @@ def saml_authorized():
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email_attribute_name = app.config.get('SAML_ATTRIBUTE_EMAIL', 'email')
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givenname_attribute_name = app.config.get('SAML_ATTRIBUTE_GIVENNAME', 'givenname')
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surname_attribute_name = app.config.get('SAML_ATTRIBUTE_SURNAME', 'surname')
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name_attribute_name = app.config.get('SAML_ATTRIBUTE_NAME', None)
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account_attribute_name = app.config.get('SAML_ATTRIBUTE_ACCOUNT', None)
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admin_attribute_name = app.config.get('SAML_ATTRIBUTE_ADMIN', None)
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group_attribute_name = app.config.get('SAML_ATTRIBUTE_GROUP', None)
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admin_group_name = app.config.get('SAML_GROUP_ADMIN_NAME', None)
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group_to_account_mapping = create_group_to_account_mapping()
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if email_attribute_name in session['samlUserdata']:
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user.email = session['samlUserdata'][email_attribute_name][0].lower()
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if givenname_attribute_name in session['samlUserdata']:
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user.firstname = session['samlUserdata'][givenname_attribute_name][0]
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if surname_attribute_name in session['samlUserdata']:
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user.lastname = session['samlUserdata'][surname_attribute_name][0]
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if admin_attribute_name:
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if name_attribute_name in session['samlUserdata']:
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name = session['samlUserdata'][name_attribute_name][0].split(' ')
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user.firstname = name[0]
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user.lastname = ' '.join(name[1:])
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if group_attribute_name:
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user_groups = session['samlUserdata'].get(group_attribute_name, [])
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else:
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user_groups = []
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if admin_attribute_name or group_attribute_name:
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user_accounts = set(user.get_account())
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saml_accounts = []
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for group_mapping in group_to_account_mapping:
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mapping = group_mapping.split('=')
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group = mapping[0]
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account_name = mapping[1]
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if group in user_groups:
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account = handle_account(account_name)
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saml_accounts.append(account)
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for account_name in session['samlUserdata'].get(account_attribute_name, []):
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clean_name = ''.join(c for c in account_name.lower() if c in "abcdefghijklmnopqrstuvwxyz0123456789")
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if len(clean_name) > Account.name.type.length:
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logging.error("Account name {0} too long. Truncated.".format(clean_name))
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account = Account.query.filter_by(name=clean_name).first()
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if not account:
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account = Account(name=clean_name.lower(), description='', contact='', mail='')
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account.create_account()
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history = History(msg='Account {0} created'.format(account.name), created_by='SAML Assertion')
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history.add()
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account = handle_account(account_name)
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saml_accounts.append(account)
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saml_accounts = set(saml_accounts)
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for account in saml_accounts - user_accounts:
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@ -324,17 +339,13 @@ def saml_authorized():
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account.remove_user(user)
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history = History(msg='Removing {0} from account {1}'.format(user.username, account.name), created_by='SAML Assertion')
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history.add()
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if admin_attribute_name:
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if 'true' in session['samlUserdata'].get(admin_attribute_name, []):
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admin_role = Role.query.filter_by(name='Administrator').first().id
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if user.role_id != admin_role:
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user.role_id = admin_role
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history = History(msg='Promoting {0} to administrator'.format(user.username), created_by='SAML Assertion')
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history.add()
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else:
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user_role = Role.query.filter_by(name='User').first().id
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if user.role_id != user_role:
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user.role_id = user_role
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if admin_attribute_name and 'true' in session['samlUserdata'].get(admin_attribute_name, []):
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uplift_to_admin(user)
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elif admin_group_name in user_groups:
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uplift_to_admin(user)
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elif admin_attribute_name or group_attribute_name:
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if user.role.name != 'User':
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user.role_id = Role.query.filter_by(name='User').first().id
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history = History(msg='Demoting {0} to user'.format(user.username), created_by='SAML Assertion')
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history.add()
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user.plain_text_password = None
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@ -343,7 +354,36 @@ def saml_authorized():
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login_user(user, remember=False)
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return redirect(url_for('index'))
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else:
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return render_template('errors/SAML.html', errors=errors)
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return render_template('errors/SAML.html', errors=errors)
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def create_group_to_account_mapping():
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group_to_account_mapping_string = app.config.get('SAML_GROUP_TO_ACCOUNT_MAPPING', None)
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if group_to_account_mapping_string and len(group_to_account_mapping_string.strip()) > 0:
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group_to_account_mapping = group_to_account_mapping_string.split(',')
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else:
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group_to_account_mapping = []
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return group_to_account_mapping
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def handle_account(account_name):
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clean_name = ''.join(c for c in account_name.lower() if c in "abcdefghijklmnopqrstuvwxyz0123456789")
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if len(clean_name) > Account.name.type.length:
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logging.error("Account name {0} too long. Truncated.".format(clean_name))
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account = Account.query.filter_by(name=clean_name).first()
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if not account:
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account = Account(name=clean_name.lower(), description='', contact='', mail='')
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account.create_account()
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history = History(msg='Account {0} created'.format(account.name), created_by='SAML Assertion')
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history.add()
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return account
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def uplift_to_admin(user):
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if user.role.name != 'Administrator':
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user.role_id = Role.query.filter_by(name='Administrator').first().id
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history = History(msg='Promoting {0} to administrator'.format(user.username), created_by='SAML Assertion')
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history.add()
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@login_manager.unauthorized_handler
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@ -71,6 +71,12 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### Example: urn:oid:2.5.4.4
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#SAML_ATTRIBUTE_SURNAME = 'urn:oid:2.5.4.4'
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## Split into Given name and Surname
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## Useful if your IDP only gives a display name
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### Default: none
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### Example: http://schemas.microsoft.com/identity/claims/displayname
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#SAML_ATTRIBUTE_NAME = 'http://schemas.microsoft.com/identity/claims/displayname'
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## Attribute to use for username
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### Default: Use NameID instead
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### Example: urn:oid:0.9.2342.19200300.100.1.1
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@ -84,6 +90,22 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### the user is set as a non-administrator user.
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#SAML_ATTRIBUTE_ADMIN = 'https://example.edu/pdns-admin'
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## Attribute to get group from
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### Default: Don't use groups from SAML attribute
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### Example: https://example.edu/pdns-admin-group
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#SAML_ATTRIBUTE_GROUP = 'https://example.edu/pdns-admin'
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## Group namem to get admin status from
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### Default: Don't control admin with SAML group
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### Example: https://example.edu/pdns-admin
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#SAML_GROUP_ADMIN_NAME = 'powerdns-admin'
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## Attribute to get group to account mappings from
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### Default: None
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### If set, the user will be added and removed from accounts to match
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### what's in the login assertion if they are in the required group
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#SAML_GROUP_TO_ACCOUNT_MAPPING = 'dev-admins=dev,prod-admins=prod'
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## Attribute to get account names from
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### Default: Don't control accounts with SAML attribute
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### If set, the user will be added and removed from accounts to match
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@ -97,6 +119,11 @@ SAML_SP_CONTACT_MAIL = '<contact mail>'
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#Configures if SAML tokens should be encrypted.
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#If enabled a new app certificate will be generated on restart
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SAML_SIGN_REQUEST = False
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# Configures if you want to request the IDP to sign the message
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# Default is True
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#SAML_WANT_MESSAGE_SIGNED = True
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#Use SAML standard logout mechanism retrieved from idp metadata
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#If configured false don't care about SAML session on logout.
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#Logout from PowerDNS-Admin only and keep SAML session authenticated.
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@ -62,6 +62,12 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### Example: urn:oid:2.5.4.4
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#SAML_ATTRIBUTE_SURNAME = 'urn:oid:2.5.4.4'
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## Split into Given name and Surname
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## Useful if your IDP only gives a display name
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### Default: none
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### Example: http://schemas.microsoft.com/identity/claims/displayname
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#SAML_ATTRIBUTE_NAME = 'http://schemas.microsoft.com/identity/claims/displayname'
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## Attribute to use for username
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### Default: Use NameID instead
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### Example: urn:oid:0.9.2342.19200300.100.1.1
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@ -75,6 +81,22 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### the user is set as a non-administrator user.
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#SAML_ATTRIBUTE_ADMIN = 'https://example.edu/pdns-admin'
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## Attribute to get group from
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### Default: Don't use groups from SAML attribute
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### Example: https://example.edu/pdns-admin-group
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#SAML_ATTRIBUTE_GROUP = 'https://example.edu/pdns-admin'
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## Group namem to get admin status from
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### Default: Don't control admin with SAML group
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### Example: https://example.edu/pdns-admin
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#SAML_GROUP_ADMIN_NAME = 'powerdns-admin'
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## Attribute to get group to account mappings from
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### Default: None
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### If set, the user will be added and removed from accounts to match
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### what's in the login assertion if they are in the required group
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#SAML_GROUP_TO_ACCOUNT_MAPPING = 'dev-admins=dev,prod-admins=prod'
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## Attribute to get account names from
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### Default: Don't control accounts with SAML attribute
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### If set, the user will be added and removed from accounts to match
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@ -88,6 +110,11 @@ SAML_SP_CONTACT_MAIL = '<contact mail>'
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#Configures if SAML tokens should be encrypted.
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#If enabled a new app certificate will be generated on restart
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SAML_SIGN_REQUEST = False
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# Configures if you want to request the IDP to sign the message
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# Default is True
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#SAML_WANT_MESSAGE_SIGNED = True
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#Use SAML standard logout mechanism retrieved from idp metadata
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#If configured false don't care about SAML session on logout.
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#Logout from PowerDNS-Admin only and keep SAML session authenticated.
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@ -69,6 +69,12 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### Example: urn:oid:2.5.4.4
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#SAML_ATTRIBUTE_SURNAME = 'urn:oid:2.5.4.4'
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## Split into Given name and Surname
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## Useful if your IDP only gives a display name
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### Default: none
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### Example: http://schemas.microsoft.com/identity/claims/displayname
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#SAML_ATTRIBUTE_NAME = 'http://schemas.microsoft.com/identity/claims/displayname'
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## Attribute to use for username
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### Default: Use NameID instead
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### Example: urn:oid:0.9.2342.19200300.100.1.1
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@ -82,6 +88,22 @@ SAML_METADATA_CACHE_LIFETIME = 1
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### the user is set as a non-administrator user.
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#SAML_ATTRIBUTE_ADMIN = 'https://example.edu/pdns-admin'
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## Attribute to get group from
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### Default: Don't use groups from SAML attribute
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### Example: https://example.edu/pdns-admin-group
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#SAML_ATTRIBUTE_GROUP = 'https://example.edu/pdns-admin'
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## Group namem to get admin status from
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### Default: Don't control admin with SAML group
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### Example: https://example.edu/pdns-admin
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#SAML_GROUP_ADMIN_NAME = 'powerdns-admin'
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## Attribute to get group to account mappings from
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### Default: None
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### If set, the user will be added and removed from accounts to match
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### what's in the login assertion if they are in the required group
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#SAML_GROUP_TO_ACCOUNT_MAPPING = 'dev-admins=dev,prod-admins=prod'
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## Attribute to get account names from
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### Default: Don't control accounts with SAML attribute
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### If set, the user will be added and removed from accounts to match
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@ -95,6 +117,11 @@ SAML_SP_CONTACT_MAIL = '<contact mail>'
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#Configures if SAML tokens should be encrypted.
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#If enabled a new app certificate will be generated on restart
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SAML_SIGN_REQUEST = False
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# Configures if you want to request the IDP to sign the message
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# Default is True
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#SAML_WANT_MESSAGE_SIGNED = True
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#Use SAML standard logout mechanism retrieved from idp metadata
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#If configured false don't care about SAML session on logout.
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#Logout from PowerDNS-Admin only and keep SAML session authenticated.
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