techies/authelia
1
0
Fork 0
mirror of https://github.com/0rangebananaspy/authelia.git synced 2024-09-14 22:47:21 +07:00
Code Issues Projects Releases Wiki Activity

Rework the configuration of the access control to allow default policy for certain domains

Browse Source
This commit is contained in:
Clement Michaud 2017-03-25 18:38:14 +01:00
parent 38a4570b24
commit b403cfe2f8
11 changed files with 387 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
config.template.yml
View File

@ -43,17 +43,19 @@ ldap:
# is allowed to everyone. # is allowed to everyone.
# Otherwise, the default policy is denied for any user and any subdomain. # Otherwise, the default policy is denied for any user and any subdomain.
access_control: access_control:
- group: admin default:
allowed_domains: - home.test.local
- secret.test.local groups:
- secret1.test.local admin:
- secret2.test.local - '*.test.local'
- group: dev dev:
allowed_domains: - secret.test.local
- secret2.test.local - secret2.test.local
- user: harry users:
allowed_domains: harry:
- secret1.test.local - secret1.test.local
bob:
- '*.mail.test.local'
# Configuration of session cookies # Configuration of session cookies

79
example/nginx_conf/index.html
View File

@ -3,8 +3,81 @@
<title>Home page</title> <title>Home page</title>
</head> </head>
<body> <body>
You need to <a href="https://auth.test.local:8080/authentication/login?redirect=https://secret.test.local:8080/">log in</a> to access the <a href="/secret.html">secret</a>!<br/><br/> <h1>Access the secret</h1>
But you can also access it from another <a href="https://secret1.test.local:8080/secret.html">domain</a> or still <a href="https://secret2.test.local:8080/secret.html">another one</a>.<br/><br/> You need to log in to access the secret!<br/><br/>
You can also log off by visiting the following <a href="https://auth.test.local:8080/authentication/logout?redirect=https://secret.test.local:8080/">link</a>. Try to access it via one of the following links.<br/>
<ul>
<li>
<a href="https://secret.test.local:8080/secret.html">secret.test.local</a>
</li>
<li>
<a href="https://secret1.test.local:8080/secret.html">secret1.test.local</a>
</li>
<li>
<a href="https://secret2.test.local:8080/secret.html">secret2.test.local</a>
</li>
<li>
<a href="https://home.test.local:8080/secret.html">home.test.local</a>
</li>
<li>
<a href="https://mx1.mail.test.local:8080/secret.html">mx1.mail.test.local</a>
</li>
<li>
<a href="https://mx2.mail.test.local:8080/secret.html">mx2.mail.test.local</a>
</li>
</ul>
You can also log off by visiting the following <a href="https://auth.test.local:8080/authentication/logout?redirect=https://home.test.local:8080/">link</a>.
<h1>List of users</h1>
Here is the list of credentials you can log in with to test access control.
<ul>
<li><strong>john / password</strong>: belongs to <em>admin</em> and <em>dev</em> groups.</li>
<li><strong>bob / password</strong>: belongs to <em>dev</em> group only.</li>
<li><strong>harry / password</strong>: does not belong to any group.</li>
</ul>
<h1>Access control rules</h1>
<ul>
<li><strong>Default policy</strong>
<ul>
<li>home.test.local</li>
</ul>
</li>
<li><strong>Groups policy</strong>
<ul>
<li>admin
<ul>
<li>*.test.local</li>
</ul>
</li>
<li>dev
<ul>
<li>secret.test.local</li>
<li>secret2.test.local</li>
</ul>
</li>
</ul>
</li>
<li><strong>Users policy</strong>
<ul>
<li>harry
<ul>
<li>secret1.test.local</li>
</ul>
</li>
<li>bob
<ul>
<li>*.mail.test.local</li>
</ul>
</li>
</ul>
</li>
</ul>
</body> </body>
</html> </html>

4
example/nginx_conf/nginx.conf
View File

@ -60,7 +60,9 @@ http {
listen 443 ssl; listen 443 ssl;
root /usr/share/nginx/html; root /usr/share/nginx/html;
server_name secret1.test.local secret2.test.local secret.test.local localhost; server_name secret1.test.local secret2.test.local secret.test.local
home.test.local mx1.mail.test.local mx2.mail.test.local
localhost;
ssl on; ssl on;
ssl_certificate /etc/ssl/server.crt; ssl_certificate /etc/ssl/server.crt;

3
example/nginx_conf/secret.html
View File

@ -3,6 +3,7 @@
<title>Secret</title> <title>Secret</title>
</head> </head>
<body> <body>
This is a very important secret! This is a very important secret!<br/>
Go back to <a href="https://home.test.local:8080/">home page</a>.
</body> </body>
</html> </html>

84
src/lib/access_control.js Normal file
View File

@ -0,0 +1,84 @@
module.exports = function(logger, acl_config) {
return {
builder: new AccessControlBuilder(logger, acl_config),
matcher: new AccessControlMatcher(logger)
};
}
var objectPath = require('object-path');
// *************** PER DOMAIN MATCHER ***************
function AccessControlMatcher(logger) {
this.logger = logger;
}
AccessControlMatcher.prototype.is_domain_allowed = function(domain, allowed_domains) {
// Allow all matcher
if(allowed_domains.length == 1 && allowed_domains[0] == '*') return true;
this.logger.debug('ACL: trying to match %s with %s', domain,
JSON.stringify(allowed_domains));
for(var i = 0; i < allowed_domains.length; ++i) {
var allowed_domain = allowed_domains[i];
if(allowed_domain.startsWith('*') &&
domain.endsWith(allowed_domain.substr(1))) {
return true;
}
else if(domain == allowed_domain) {
return true;
}
}
return false;
}
// *************** MATCHER BUILDER ***************
function AccessControlBuilder(logger, acl_config) {
this.logger = logger;
this.config = acl_config;
}
AccessControlBuilder.prototype.extract_per_group = function(groups) {
var allowed_domains = [];
var groups_policy = objectPath.get(this.config, 'groups');
if(groups_policy) {
for(var i=0; i<groups.length; ++i) {
var group = groups[i];
if(group in groups_policy) {
allowed_domains = allowed_domains.concat(groups_policy[group]);
}
}
  }
return allowed_domains;
}
AccessControlBuilder.prototype.extract_per_user = function(user) {
var allowed_domains = [];
var users_policy = objectPath.get(this.config, 'users');
if(users_policy) {
if(user in users_policy) {
allowed_domains = allowed_domains.concat(users_policy[user]);
}
  }
return allowed_domains;
}
AccessControlBuilder.prototype.get_allowed_domains = function(user, groups) {
var allowed_domains = [];
var default_policy = objectPath.get(this.config, 'default');
if(default_policy) {
allowed_domains = allowed_domains.concat(default_policy);
}
allowed_domains = allowed_domains.concat(this.extract_per_group(groups));
allowed_domains = allowed_domains.concat(this.extract_per_user(user));
this.logger.debug('ACL: user \'%s\' is allowed access to %s', user,
JSON.stringify(allowed_domains));
return allowed_domains;
}
AccessControlBuilder.prototype.get_any_domain = function() {
return ['*'];
}

10
src/lib/routes/first_factor.js
View File

@ -37,6 +37,7 @@ function first_factor(req, res) {
var ldap = req.app.get('ldap'); var ldap = req.app.get('ldap');
var config = req.app.get('config'); var config = req.app.get('config');
var regulator = req.app.get('authentication regulator'); var regulator = req.app.get('authentication regulator');
var acl_builder = req.app.get('access control').builder;
logger.info('1st factor: Starting authentication of user "%s"', username); logger.info('1st factor: Starting authentication of user "%s"', username);
logger.debug('1st factor: Start bind operation against LDAP'); logger.debug('1st factor: Start bind operation against LDAP');
@ -56,22 +57,21 @@ function first_factor(req, res) {
.then(function(data) { .then(function(data) {
var emails = data[0]; var emails = data[0];
var groups = data[1]; var groups = data[1];
var allowed_domains;
if(!emails && emails.length <= 0) throw new Error('No email found'); if(!emails && emails.length <= 0) throw new Error('No email found');
logger.debug('1st factor: Retrieved email are %s', emails); logger.debug('1st factor: Retrieved email are %s', emails);
objectPath.set(req, 'session.auth_session.email', emails[0]); objectPath.set(req, 'session.auth_session.email', emails[0]);
if(config.access_control) { if(config.access_control) {
var allowed_domains = get_allowed_domains(config.access_control, allowed_domains = acl_builder.get_allowed_domains(username, groups);
username, groups);
logger.debug('1st factor: allowed domains are %s', allowed_domains);
objectPath.set(req, 'session.auth_session.allowed_domains',
allowed_domains);
} }
else { else {
allowed_domains = acl_builder.get_any_domain();
logger.debug('1st factor: no access control rules found.' + logger.debug('1st factor: no access control rules found.' +
'Default policy to allow all.'); 'Default policy to allow all.');
} }
objectPath.set(req, 'session.auth_session.allowed_domains', allowed_domains);
regulator.mark(username, true); regulator.mark(username, true);
res.status(204); res.status(204);

20
src/lib/routes/verify.js
View File

@ -19,19 +19,17 @@ function verify_filter(req, res) {
if(!objectPath.has(req, 'session.auth_session.userid')) if(!objectPath.has(req, 'session.auth_session.userid'))
return Promise.reject('No userid variable'); return Promise.reject('No userid variable');
var config = req.app.get('config'); if(!objectPath.has(req, 'session.auth_session.allowed_domains'))
var access_control = config.access_control; return Promise.reject('No allowed_domains variable');
if(access_control) { // Get the session ACL matcher
var allowed_domains = objectPath.get(req, 'session.auth_session.allowed_domains'); var allowed_domains = objectPath.get(req, 'session.auth_session.allowed_domains');
var host = objectPath.get(req, 'headers.host'); var host = objectPath.get(req, 'headers.host');
var domain = host.split(':')[0]; var domain = host.split(':')[0];
logger.debug('Trying to access domain: %s', domain); var acl_matcher = req.app.get('access control').matcher;
logger.debug('User has access to %s', JSON.stringify(allowed_domains));
if(allowed_domains.indexOf(domain) < 0) if(!acl_matcher.is_domain_allowed(domain, allowed_domains))
return Promise.reject('Access restricted by ACL rules'); return Promise.reject('Access restricted by ACL rules');
}
if(!req.session.auth_session.first_factor || if(!req.session.auth_session.first_factor ||
!req.session.auth_session.second_factor) !req.session.auth_session.second_factor)

3
src/lib/server.js
View File

@ -12,6 +12,7 @@ var AuthenticationRegulator = require('./authentication_regulator');
var setup_endpoints = require('./setup_endpoints'); var setup_endpoints = require('./setup_endpoints');
var config_adapter = require('./config_adapter'); var config_adapter = require('./config_adapter');
var Ldap = require('./ldap'); var Ldap = require('./ldap');
var AccessControl = require('./access_control');
function run(yaml_config, deps, fn) { function run(yaml_config, deps, fn) {
var config = config_adapter(yaml_config); var config = config_adapter(yaml_config);
@ -51,6 +52,7 @@ function run(yaml_config, deps, fn) {
var regulator = new AuthenticationRegulator(data_store, five_minutes); var regulator = new AuthenticationRegulator(data_store, five_minutes);
var notifier = new Notifier(config.notifier, deps); var notifier = new Notifier(config.notifier, deps);
var ldap = new Ldap(deps, config.ldap); var ldap = new Ldap(deps, config.ldap);
var access_control = AccessControl(deps.winston, config.access_control);
app.set('logger', deps.winston); app.set('logger', deps.winston);
app.set('ldap', ldap); app.set('ldap', ldap);
@ -60,6 +62,7 @@ function run(yaml_config, deps, fn) {
app.set('notifier', notifier); app.set('notifier', notifier);
app.set('authentication regulator', regulator); app.set('authentication regulator', regulator);
app.set('config', config); app.set('config', config);
app.set('access control', access_control);
setup_endpoints(app); setup_endpoints(app);

37
test/unitary/routes/test_first_factor.js
View File

@ -6,6 +6,7 @@ var winston = require('winston');
var first_factor = require('../../../src/lib/routes/first_factor'); var first_factor = require('../../../src/lib/routes/first_factor');
var exceptions = require('../../../src/lib/exceptions'); var exceptions = require('../../../src/lib/exceptions');
var Ldap = require('../../../src/lib/ldap'); var Ldap = require('../../../src/lib/ldap');
var AccessControl = require('../../../src/lib/access_control');
describe('test the first factor validation route', function() { describe('test the first factor validation route', function() {
var req, res; var req, res;
@ -13,6 +14,7 @@ describe('test the first factor validation route', function() {
var emails; var emails;
var search_res_ok; var search_res_ok;
var regulator; var regulator;
var access_control;
var config; var config;
beforeEach(function() { beforeEach(function() {
@ -34,11 +36,22 @@ describe('test the first factor validation route', function() {
regulator.mark.returns(Promise.resolve()); regulator.mark.returns(Promise.resolve());
regulator.regulate.returns(Promise.resolve()); regulator.regulate.returns(Promise.resolve());
access_control = {
builder: {
get_allowed_domains: sinon.stub(),
get_any_domain: sinon.stub(),
},
matcher: {
is_domain_allowed: sinon.stub()
}
};
var app_get = sinon.stub(); var app_get = sinon.stub();
app_get.withArgs('ldap').returns(ldap_interface_mock); app_get.withArgs('ldap').returns(ldap_interface_mock);
app_get.withArgs('config').returns(config); app_get.withArgs('config').returns(config);
app_get.withArgs('logger').returns(winston); app_get.withArgs('logger').returns(winston);
app_get.withArgs('authentication regulator').returns(regulator); app_get.withArgs('authentication regulator').returns(regulator);
app_get.withArgs('access control').returns(access_control);
req = { req = {
app: { app: {
@ -74,16 +87,13 @@ describe('test the first factor validation route', function() {
}); });
}); });
describe('store the allowed domains in the auth session', function() { describe('store the ACL matcher in the auth session', function() {
it('should store the per group allowed domains', function() { it('should store the allowed domains in the auth session', function() {
config.access_control = []; config.access_control = {};
config.access_control.push({ access_control.builder.get_allowed_domains.returns(['example.com', 'test.example.com']);
group: 'group1',
allowed_domains: ['domain1.example.com', 'domain2.example.com']
});
return new Promise(function(resolve, reject) { return new Promise(function(resolve, reject) {
res.send = sinon.spy(function(data) { res.send = sinon.spy(function(data) {
assert.deepEqual(['domain1.example.com', 'domain2.example.com'], assert.deepEqual(['example.com', 'test.example.com'],
req.session.auth_session.allowed_domains); req.session.auth_session.allowed_domains);
assert.equal(204, res.status.getCall(0).args[0]); assert.equal(204, res.status.getCall(0).args[0]);
resolve(); resolve();
@ -95,16 +105,11 @@ describe('test the first factor validation route', function() {
}); });
}); });
it('should store the per group allowed domains', function() { it('should store the allow all ACL matcher in the auth session', function() {
config.access_control = []; access_control.builder.get_any_domain.returns(['*']);
config.access_control.push({
user: 'username',
allowed_domains: ['domain1.example.com', 'domain2.example.com']
});
return new Promise(function(resolve, reject) { return new Promise(function(resolve, reject) {
res.send = sinon.spy(function(data) { res.send = sinon.spy(function(data) {
assert.deepEqual(['domain1.example.com', 'domain2.example.com'], assert(req.session.auth_session.allowed_domains);
req.session.auth_session.allowed_domains);
assert.equal(204, res.status.getCall(0).args[0]); assert.equal(204, res.status.getCall(0).args[0]);
resolve(); resolve();
}); });

23
test/unitary/routes/test_verify.js
View File

@ -7,8 +7,15 @@ var winston = require('winston');
describe('test authentication token verification', function() { describe('test authentication token verification', function() {
var req, res; var req, res;
var config_mock; var config_mock;
var acl_matcher;
beforeEach(function() { beforeEach(function() {
acl_matcher = {
is_domain_allowed: sinon.stub().returns(true)
};
var access_control = {
matcher: acl_matcher
}
config_mock = {}; config_mock = {};
req = {}; req = {};
res = {}; res = {};
@ -18,6 +25,7 @@ describe('test authentication token verification', function() {
req.app.get = sinon.stub(); req.app.get = sinon.stub();
req.app.get.withArgs('config').returns(config_mock); req.app.get.withArgs('config').returns(config_mock);
req.app.get.withArgs('logger').returns(winston); req.app.get.withArgs('logger').returns(winston);
req.app.get.withArgs('access control').returns(access_control);
res.status = sinon.spy(); res.status = sinon.spy();
}); });
@ -27,7 +35,7 @@ describe('test authentication token verification', function() {
first_factor: true, first_factor: true,
second_factor: true, second_factor: true,
userid: 'myuser', userid: 'myuser',
group: 'mygroup' allowed_domains: ['*']
}; };
res.send = sinon.spy(function() { res.send = sinon.spy(function() {
@ -86,25 +94,16 @@ describe('test authentication token verification', function() {
}); });
it('should reply unauthorized when the domain is restricted', function() { it('should reply unauthorized when the domain is restricted', function() {
config_mock.access_control = []; acl_matcher.is_domain_allowed.returns(false);
config_mock.access_control.push({
group: 'abc',
allowed_domains: ['secret.example.com']
});
return test_unauthorized({ return test_unauthorized({
first_factor: true, first_factor: true,
second_factor: true, second_factor: true,
userid: 'user', userid: 'user',
allowed_domains: ['restricted.example.com'] allowed_domains: []
}); });
}); });
it('should reply authorized when the domain is allowed', function() { it('should reply authorized when the domain is allowed', function() {
config_mock.access_control = [];
config_mock.access_control.push({
group: 'abc',
allowed_domains: ['secret.example.com']
});
return test_authorized({ return test_authorized({
first_factor: true, first_factor: true,
second_factor: true, second_factor: true,

160
test/unitary/test_access_control.js Normal file
View File

@ -0,0 +1,160 @@
var assert = require('assert');
var winston = require('winston');
var AccessControl = require('../../src/lib/access_control');
describe('test access control manager', function() {
var access_control;
var acl_config;
var acl_builder;
var acl_matcher;
beforeEach(function() {
acl_config = {};
access_control = AccessControl(winston, acl_config);
acl_builder = access_control.builder;
acl_matcher = access_control.matcher;
});
describe('building user group access control matcher', function() {
it('should deny all if nothing is defined in the config', function() {
var allowed_domains = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains, []);
});
it('should allow domain test.example.com to all users if defined in' +
' default policy', function() {
acl_config.default = ['test.example.com'];
var allowed_domains = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains, ['test.example.com']);
});
it('should allow domain test.example.com to all users in group mygroup', function() {
var allowed_domains0 = acl_builder.get_allowed_domains('user', ['group1', 'group1']);
assert.deepEqual(allowed_domains0, []);
acl_config.groups = {
mygroup: ['test.example.com']
};
var allowed_domains1 = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains1, []);
var allowed_domains2 = acl_builder.get_allowed_domains('user', ['group1', 'mygroup']);
assert.deepEqual(allowed_domains2, ['test.example.com']);
});
it('should allow domain test.example.com based on per user config', function() {
var allowed_domains0 = acl_builder.get_allowed_domains('user', ['group1']);
assert.deepEqual(allowed_domains0, []);
acl_config.users = {
user1: ['test.example.com']
};
var allowed_domains1 = acl_builder.get_allowed_domains('user', ['group1', 'mygroup']);
assert.deepEqual(allowed_domains1, []);
var allowed_domains2 = acl_builder.get_allowed_domains('user1', ['group1', 'mygroup']);
assert.deepEqual(allowed_domains2, ['test.example.com']);
});
it('should allow domains from user and groups', function() {
acl_config.groups = {
group2: ['secret.example.com', 'secret1.example.com']
};
acl_config.users = {
user: ['test.example.com']
};
var allowed_domains0 = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains0, [
'secret.example.com',
'secret1.example.com',
'test.example.com',
]);
});
it('should allow domains from several groups', function() {
acl_config.groups = {
group1: ['secret2.example.com'],
group2: ['secret.example.com', 'secret1.example.com']
};
var allowed_domains0 = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains0, [
'secret2.example.com',
'secret.example.com',
'secret1.example.com',
]);
});
it('should allow domains from several groups and default policy', function() {
acl_config.default = ['home.example.com'];
acl_config.groups = {
group1: ['secret2.example.com'],
group2: ['secret.example.com', 'secret1.example.com']
};
var allowed_domains0 = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert.deepEqual(allowed_domains0, [
'home.example.com',
'secret2.example.com',
'secret.example.com',
'secret1.example.com',
]);
});
});
describe('building user group access control matcher', function() {
it('should allow access to any subdomain', function() {
var allowed_domains = acl_builder.get_any_domain();
assert(acl_matcher.is_domain_allowed('example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('mail.example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('test.example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('user.mail.example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('public.example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('example2.com', allowed_domains));
});
});
describe('check access control matching', function() {
beforeEach(function() {
acl_config.default = ['home.example.com', '*.public.example.com'];
acl_config.users = {
user1: ['user1.example.com', 'user1.mail.example.com']
};
acl_config.groups = {
group1: ['secret2.example.com'],
group2: ['secret.example.com', 'secret1.example.com']
};
});
it('should allow access to secret.example.com', function() {
var allowed_domains = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert(acl_matcher.is_domain_allowed('secret.example.com', allowed_domains));
});
it('should deny access to secret3.example.com', function() {
var allowed_domains = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert(!acl_matcher.is_domain_allowed('secret3.example.com', allowed_domains));
});
it('should allow access to home.example.com', function() {
var allowed_domains = acl_builder.get_allowed_domains('user', ['group1', 'group2']);
assert(acl_matcher.is_domain_allowed('home.example.com', allowed_domains));
});
it('should allow access to user1.example.com', function() {
var allowed_domains = acl_builder.get_allowed_domains('user1', ['group1', 'group2']);
assert(acl_matcher.is_domain_allowed('user1.example.com', allowed_domains));
});
it('should allow access *.public.example.com', function() {
var allowed_domains = acl_builder.get_allowed_domains('nouser', []);
assert(acl_matcher.is_domain_allowed('user.public.example.com', allowed_domains));
assert(acl_matcher.is_domain_allowed('test.public.example.com', allowed_domains));
});
});
});